From 7f39333bf296906a709c1d31b4a4e754a5cafd98 Mon Sep 17 00:00:00 2001
From: Werner LEMBERG
Date: Sat, 14 Apr 2001 14:25:15 +0000
Subject: [PATCH] Removing the grohtml-old device driver which is now obsolete.
* src/devices/grohtml-old/*: Removed.
* font/devhtml-old/*: Removed.
* src/libgroff/htmlindicate.cc (graphic_start, graphic_end): Remove
comments.
* Makefile.in (CCPROGDIRS, DEVDIRS): Updated.
* test-groff (PATH): Updated.
* tmac/Makefile.sub (NORMALFILES): Updated.
* tmac/an-old.tmac: Remove special code for html-old device.
Replace `html-or-html-old' register with `an-html'.
* tmac/eqnrc: Updated.
* tmac/html-old.tmac: Removed.
* tmac/troffrc, tmac/troffrc-end: Updated.
* tmac/www.tmac: Remove special code for html-old device.
Replace `html-or-html-old' register with `www-html'.
* src/libgroff/tmpfile.cc (remove_tmp_files),
src/libgroff/htmlindicate.cc (graphic_end), include/htmlindicate.h,
src/preproc/grn/*.cc, src/roff/groff/env.{cc,h}: Remove `void'
parameter if used as a single argument for consistency with rest of
source code.
* aclocal.m4, tmac/an-old.tmac: Fix copyright.
* src/roff/troff/troff.man: Fixing typos.
---
ChangeLog | 31 +
Makefile.in | 4 +-
aclocal.m4 | 2 +-
font/devhtml-old/CB | 308 --
font/devhtml-old/CBI | 308 --
font/devhtml-old/CI | 308 --
font/devhtml-old/CR | 308 --
font/devhtml-old/DESC | 12 -
font/devhtml-old/HB | 308 --
font/devhtml-old/HBI | 308 --
font/devhtml-old/HI | 308 --
font/devhtml-old/HR | 308 --
font/devhtml-old/Makefile.sub | 2 -
font/devhtml-old/NB | 308 --
font/devhtml-old/NBI | 308 --
font/devhtml-old/NI | 308 --
font/devhtml-old/NR | 308 --
font/devhtml-old/S | 226 --
font/devhtml-old/TB | 308 --
font/devhtml-old/TBI | 308 --
font/devhtml-old/TI | 308 --
font/devhtml-old/TR | 308 --
src/devices/grohtml-old/ChangeLog | 263 --
src/devices/grohtml-old/Makefile.sub | 10 -
src/devices/grohtml-old/TODO | 294 --
src/devices/grohtml-old/design.ms | 129 -
src/devices/grohtml-old/grohtml.man | 187 -
src/devices/grohtml-old/html.cc | 6619 --------------------------------
src/devices/grohtml-old/html.h | 57 -
src/devices/grohtml-old/html_chars.h | 27 -
src/devices/grohtml-old/ordered_list.h | 193 -
src/devices/grohtml-old/output.cc | 257 --
src/include/htmlindicate.h | 2 +-
src/libs/libgroff/htmlindicate.cc | 4 +-
src/libs/libgroff/tmpfile.cc | 2 +-
src/preproc/grn/hdb.cc | 2 +-
src/preproc/grn/hgraph.cc | 4 +-
src/preproc/grn/main.cc | 12 +-
src/roff/troff/env.cc | 4 +-
src/roff/troff/env.h | 4 +-
src/roff/troff/troff.man | 4 +-
test-groff | 1 -
tmac/Makefile.sub | 2 +-
tmac/an-old.tmac | 25 +-
tmac/eqnrc | 13 +-
tmac/html-old.tmac | 62 -
tmac/troffrc | 3 +-
tmac/troffrc-end | 5 +-
tmac/www.tmac | 32 +-
49 files changed, 86 insertions(+), 13336 deletions(-)
delete mode 100755 font/devhtml-old/CB
delete mode 100755 font/devhtml-old/CBI
delete mode 100755 font/devhtml-old/CI
delete mode 100755 font/devhtml-old/CR
delete mode 100755 font/devhtml-old/DESC
delete mode 100755 font/devhtml-old/HB
delete mode 100755 font/devhtml-old/HBI
delete mode 100755 font/devhtml-old/HI
delete mode 100755 font/devhtml-old/HR
delete mode 100755 font/devhtml-old/Makefile.sub
delete mode 100755 font/devhtml-old/NB
delete mode 100755 font/devhtml-old/NBI
delete mode 100755 font/devhtml-old/NI
delete mode 100755 font/devhtml-old/NR
delete mode 100755 font/devhtml-old/S
delete mode 100755 font/devhtml-old/TB
delete mode 100755 font/devhtml-old/TBI
delete mode 100755 font/devhtml-old/TI
delete mode 100755 font/devhtml-old/TR
delete mode 100755 src/devices/grohtml-old/ChangeLog
delete mode 100755 src/devices/grohtml-old/Makefile.sub
delete mode 100755 src/devices/grohtml-old/TODO
delete mode 100755 src/devices/grohtml-old/design.ms
delete mode 100755 src/devices/grohtml-old/grohtml.man
delete mode 100755 src/devices/grohtml-old/html.cc
delete mode 100755 src/devices/grohtml-old/html.h
delete mode 100755 src/devices/grohtml-old/html_chars.h
delete mode 100755 src/devices/grohtml-old/ordered_list.h
delete mode 100755 src/devices/grohtml-old/output.cc
delete mode 100755 tmac/html-old.tmac
diff --git a/ChangeLog b/ChangeLog
index dca76024..8f865233 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,34 @@
+2001-04-14 Werner LEMBERG
+
+ Removing the grohtml-old device driver which is now obsolete.
+
+ * src/devices/grohtml-old/*: Removed.
+ * font/devhtml-old/*: Removed.
+ * src/libgroff/htmlindicate.cc (graphic_start, graphic_end): Remove
+ comments.
+ * Makefile.in (CCPROGDIRS, DEVDIRS): Updated.
+ * test-groff (PATH): Updated.
+ * tmac/Makefile.sub (NORMALFILES): Updated.
+ * tmac/an-old.tmac: Remove special code for html-old device.
+ Replace `html-or-html-old' register with `an-html'.
+ * tmac/eqnrc: Updated.
+ * tmac/html-old.tmac: Removed.
+ * tmac/troffrc, tmac/troffrc-end: Updated.
+ * tmac/www.tmac: Remove special code for html-old device.
+ Replace `html-or-html-old' register with `www-html'.
+
+ * src/libgroff/tmpfile.cc (remove_tmp_files),
+ src/libgroff/htmlindicate.cc (graphic_end), include/htmlindicate.h,
+ src/preproc/grn/*.cc, src/roff/groff/env.{cc,h}: Remove `void'
+ parameter if used as a single argument for consistency with rest of
+ source code.
+
+ * aclocal.m4, tmac/an-old.tmac: Fix copyright.
+
+2001-04-13 Ruslan Ermilov
+
+ * src/roff/troff/troff.man: Fixing typos.
+
2001-04-13 Werner LEMBERG
* doc/pic.ms: Fixing many font switches.
diff --git a/Makefile.in b/Makefile.in
index 05f94832..63073ec3 100644
--- a/Makefile.in
+++ b/Makefile.in
@@ -1,4 +1,4 @@
-# Copyright (C) 1989-2000 Free Software Foundation, Inc.
+# Copyright (C) 1989-2000, 2001 Free Software Foundation, Inc.
# Written by James Clark (jjc@jclark.com)
#
# This file is part of groff.
@@ -347,7 +347,6 @@ CCPROGDIRS=\
src/devices/grodvi \
src/devices/grolj4 \
src/devices/grohtml \
- src/devices/grohtml-old \
src/devices/grolbp \
src/utils/tfmtodit \
src/utils/hpftodit \
@@ -366,7 +365,6 @@ DEVDIRS=\
font/devX100-12 \
font/devlj4 \
font/devhtml \
- font/devhtml-old \
font/devlbp
ALLTTYDEVDIRS=\
font/devascii \
diff --git a/aclocal.m4 b/aclocal.m4
index 35cad8e9..34ee4f1f 100644
--- a/aclocal.m4
+++ b/aclocal.m4
@@ -1,5 +1,5 @@
dnl Autoconf macros for groff.
-dnl Copyright (C) 1989, 1990, 1991, 1992, 1995 Free Software Foundation, Inc.
+dnl Copyright (C) 1989-1995, 2001 Free Software Foundation, Inc.
dnl
dnl This file is part of groff.
dnl
diff --git a/font/devhtml-old/CB b/font/devhtml-old/CB
deleted file mode 100755
index b726465f..00000000
--- a/font/devhtml-old/CB
+++ /dev/null
@@ -1,308 +0,0 @@
-name CB
-spacewidth 9
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diff --git a/font/devhtml-old/CBI b/font/devhtml-old/CBI
deleted file mode 100755
index 54d69b95..00000000
--- a/font/devhtml-old/CBI
+++ /dev/null
@@ -1,308 +0,0 @@
-name CBI
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-charset
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diff --git a/font/devhtml-old/HI b/font/devhtml-old/HI
deleted file mode 100755
index 7007ada5..00000000
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deleted file mode 100755
index 57f5603e..00000000
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deleted file mode 100755
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deleted file mode 100755
index 92204a38..00000000
--- a/font/devhtml-old/NR
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diff --git a/font/devhtml-old/S b/font/devhtml-old/S
deleted file mode 100755
index 59af889e..00000000
--- a/font/devhtml-old/S
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diff --git a/font/devhtml-old/TB b/font/devhtml-old/TB
deleted file mode 100755
index 1ca1be4f..00000000
--- a/font/devhtml-old/TB
+++ /dev/null
@@ -1,308 +0,0 @@
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deleted file mode 100755
index a3f943b2..00000000
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deleted file mode 100755
index fadd71f3..00000000
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-bb 3,10 0 0246 ¦
-¦ "
-sc 7,10,3 0 0247 §
-§ "
-ad 5,10 0 0250 ¨
-¨ "
-co 12,10 0 0251 ©
-© "
-Of 4,10 0 0252 ª
-ª "
-Fo 7,6 0 0253 «
-« "
-no 9,6 0 0254 ¬
-¬ "
-- 4,4 0 0255
-hy 4,4 0 0255
- "
-rg 12,10 0 0256 ®
-® "
-a- 4,9 0 0257 ¯
-¯ "
-de 6,10 0 0260 °
-° "
-+- 8,7 0 0261 ±
-± "
-S2 4,10 0 0262 ²
-² "
-S3 4,10 0 0263 ³
-³ "
-aa 5,11 0 0264 ´
-´ "
-µ 7,7,3 0 0265 µ
-ps 7,10,3 0 0266 ¶
-¶ "
-pc 4,5 0 0267 ·
-· "
-ac 5,0,3 0 0270 ¸
-¸ "
-S1 4,10 0 0271 ¹
-¹ "
-Om 5,10 0 0272 º
-º "
-Fc 7,6 0 0273 »
-» "
-14 10,10 0 0274 ¼
-¼ "
-12 10,10 0 0275 ½
-½ "
-34 10,10 0 0276 ¾
-¾ "
-r? 6,7,3 0 0277 ¿
-¿ "
-`A 11,14 0 0300 À
-À "
-'A 11,14 0 0301 Á
-Á "
-^A 11,14 0 0302 Â
-Â "
-~A 11,14 0 0303 Ã
-Ã "
-:A 11,13 0 0304 Ä
-Ä "
-oA 11,14 0 0305 Å
-Å "
-AE 13,10 0 0306 Æ
-Æ "
-,C 10,10,3 0 0307 Ç
-Ç "
-`E 9,14 0 0310 È
-È "
-'E 9,14 0 0311 É
-É "
-^E 9,14 0 0312 Ê
-Ê "
-:E 9,13 0 0313 Ë
-Ë "
-`I 5,14 0 0314 Ì
-Ì "
-'I 5,14 0 0315 Í
-Í "
-^I 5,14 0 0316 Î
-Î "
-:I 5,13 0 0317 Ï
-Ï "
--D 10,10 0 0320 Ð
-Ð "
-~N 11,14 0 0321 Ñ
-Ñ "
-`O 10,14 0 0322 Ò
-Ò "
-'O 10,14 0 0323 Ó
-Ó "
-^O 10,14 0 0324 Ô
-Ô "
-~O 10,14 0 0325 Õ
-Õ "
-:O 10,13 0 0326 Ö
-Ö "
-mu 8,7 0 0327 ×
-× "
-/O 10,11,1 0 0330 Ø
-Ø "
-`U 10,14 0 0331 Ù
-Ù "
-'U 10,14 0 0332 Ú
-Ú "
-^U 10,14 0 0333 Û
-Û "
-:U 10,13 0 0334 Ü
-Ü "
-'Y 9,14 0 0335 Ý
-Ý "
-TP 8,10 0 0336 Þ
-Þ "
-ss 7,10 0 0337 ß
-ß "
-`a 7,11 0 0340 à
-à "
-'a 7,11 0 0341 á
-á "
-^a 7,11 0 0342 â
-â "
-~a 7,11 0 0343 ã
-ã "
-:a 7,10 0 0344 ä
-ä "
-oa 7,11 0 0345 å
-å "
-ae 11,7 0 0346 æ
-æ "
-,c 7,7,3 0 0347 ç
-ç "
-`e 7,11 0 0350 è
-è "
-'e 7,11 0 0351 é
-é "
-^e 7,11 0 0352 ê
-ê "
-:e 7,10 0 0353 ë
-ë "
-`i 3,11 0 0354 ì
-ì "
-'i 3,11 0 0355 í
-í "
-^i 3,11 0 0356 î
-î "
-:i 3,10 0 0357 ï
-ï "
-Sd 7,10 0 0360 ð
-ð "
-~n 7,11 0 0361 ñ
-ñ "
-`o 7,11 0 0362 ò
-ò "
-'o 7,11 0 0363 ó
-ó "
-^o 7,11 0 0364 ô
-ô "
-~o 7,11 0 0365 õ
-õ "
-:o 7,10 0 0366 ö
-ö "
-di 8,7 0 0367 ÷
-÷ "
-/o 7,8,1 0 0370 ø
-ø "
-`u 7,11 0 0371 ù
-ù "
-'u 7,11 0 0372 ú
-ú "
-^u 7,11 0 0373 û
-û "
-:u 7,10 0 0374 ü
-ü "
-'y 7,11,3 0 0375 ý
-ý "
-Tp 7,10,3 0 0376 þ
-þ "
-:y 7,10,3 0 0377 ÿ
-ÿ "
diff --git a/src/devices/grohtml-old/ChangeLog b/src/devices/grohtml-old/ChangeLog
deleted file mode 100755
index 4b574384..00000000
--- a/src/devices/grohtml-old/ChangeLog
+++ /dev/null
@@ -1,263 +0,0 @@
-2000-11-16 Werner LEMBERG
-
- * html.cc (main): Use stdout for -v.
-
- Fixing copyright dates.
-
-2000-11-15 Werner LEMBERG
-
- * html.cc (main): Make -v exit immediately to be compliant with
- the GNU standard.
-
-2000-08-23 Gaius Mulley
-
- * html.cc (char_translate_to_html): New function.
- (str_translate_to_html): Use it.
-
-2000-06-17 Eli Zaretskii
-
- * html.cc [!_POSIX_VERSION]: Include limits.h and dirent.h or
- sys/dir.h. Define NAME_MAX using MAXNAMLEN. Include nonposix.h.
- (file_name_max): New function.
- (html_printer::make_new_image_name): If the filesystem doesn't
- support file names longer than 14 characters, use a shorter
- image_name string.
- (html_printer::convert_to_image): Enlarge the size of buffer[] to
- accomodate 2 temp file names plus some slack. Don't put \n at the
- end of commands passed to system(). Redirect stderr to the null
- device programmatically, not via the shell. Use NULL_DEV, not
- literal "/dev/null". Print diagnostics if any calls to system()
- failed.
-
-2000-05-31 Keith Thompson
-
- * html.cc: Added declaration of mktemp() as needed for SunOS 4.1.3.
-
-2000-05-11 Werner LEMBERG
-
- * output.cc (simple_output::simple_output): Reordering of
- initializers to remove compiler warning.
-
-2000-04-28 Gaius Mulley
-
- * html.cc (calculate_margin): Calculate the left and right margin
- irrespective of the boolean `margin_on'. Fixes a divide by zero bug
- and a column bug as reported by Steve Blinkhorn .
- Improved the behaviour of the -m (margin on) option.
-
- * html.cc (make_html_indent): More checking.
-
- * html.cc (right_indentation): Fixed substitution slip-up.
-
-2000-03-30 Werner LEMBERG
-
- * grohtml.man: Document use of whitespace between command line
- arguments and its parameters.
-
-2000-03-17 Werner LEMBERG
-
- * grohtml.man: Some formatting.
-
-2000-03-11 Werner LEMBERG
-
- * ordered_list.h (list_element): Added `' twice to satisfy picky
- compilers.
-
-2000-03-01 Gaius Mulley
-
- * html.cc (handle_unknown_font_command): Removed dead code as
- spotted by Werner.
-
-2000-02-11 Gaius Mulley
-
- * html.cc (create_tmp_file, create_temp_name): Removed. It has been
- replaced with calls to xtmpfile() and xtmptemplate().
-
-2000-02-07 Gaius Mulley
-
- * html.cc (html_printer::make_new_image_name): Tidied up file and
- fixed name of image if the source file is in a different directory.
-
- * html.cc (create_file): Renamed to create_tmp_file.
-
-2000-02-07 Colin Phipps
-
- * html.cc (create_file): Identified & fixed security bug when
- creating files in /tmp.
-
-2000-02-06 Werner LEMBERG
-
- * Makefile.sub: Adapted to new directory structure.
-
-2000-01-28 Gaius Mulley
-
- * html.cc: Minor fixes.
-
-2000-01-27 Gaius Mulley
-
- * html.cc: Added support for the new tcommand `F'.
- * TODO: Updated.
-
-2000-01-24 Gaius Mulley
-
- * design.ms: Revised. Removed TODO stuff.
-
- * TODO: New file.
-
-2000-01-21 Gaius Mulley
-
- * html.cc: Add support for char names in special requests (to
- support e.g. accented characters in HTML specials).
-
-2000-01-14 Gaius Mulley
-
- * html.cc, html.h: Many fixes to table code.
-
- Fixes to manual page handling, font changes, spaces, and
- diacritical characters. All *standard* html character encodings
- are handled.
-
- Added -T option which turns off all image generation for tables.
- One day grohtml should be able to determine this for itself.
-
- Altered image name to: -.png as per
- Werners suggestion.
-
- * grohtml.man: Document -T option.
-
- * html_chars.h: New file, providing diacritical table support.
-
- * output.cc: New file, providing basic output routines for grohtml.
-
- * Makefile.sub: Added output.cc.
-
- * Makefile.dep: Updated.
-
-2000-01-13 Bruno Haible
-
- * html.cc: Avoid most "g++ -Wall -Wno-sign-compare" warnings.
-
-2000-01-10 Werner Lemberg
-
- * html.cc: Use Version_string instead of version_string.
-
-1999-12-30 Gaius Mulley
-
- * html.cc (is_appropriate_to_start_table): Added a missing
- declaration.
-
-1999-12-28 Gaius Mulley
-
- * html.cc: Revisited the table handling code with a vengeance,
- aiming to make manual pages generate sensible html.
- Superscripting/subscripting revisited. Fixed wierd table lengths.
- Table widths are now specified in percentages. Fixed the man.n
- test example which Werner reported.
-
-Version 1.15 released
-=====================
-
-1999-12-21 Werner LEMBERG
-
- * grohtml.man: Fixed copyright year.
-
-1999-12-15 Gaius Mulley
-
- * html.cc: Some other fixes.
-
-1999-12-13 Gaius Mulley
-
- * html.cc (main): Added new option `-x' to help debugging tables.
-
-1999-12-11 Gaius Mulley
-
- * html.cc: Fixed image position bugs. However, three major bugs
- remain: Firstly, grohtml sometimes miscalculates the end of an
- html table resulting in text which appears twice. Secondly,
- equation numbers are not handled correctly. Thirdly, equation
- macros and pic macros can confuse grohtml; this can be seen by
- nested `graphic-start's -- I believe the best method to solve this
- is to detect .EQ, .EN, .TS, .TE, .PS, .PE sequences in troff and
- add the graphic-start special character at this point.
-
- * grohtml.man: Minor fixes.
-
-1999-11-29 Gaius Mulley
-
- * design.ms: More updates; added some basic introductional
- information.
-
- * html.cc: Fixed more bugs mainly in the table handling code.
- Making the code terminate a table at the correct position.
- Indented .IPs appear to work now. Region ends also correctly
- terminate tables.
-
-1999-11-16 Gaius Mulley
-
- * design.ms, grohtml.man: Updated.
-
- * html.cc, ordered_list.h: Fixed many bugs in the table handling
- code. Reverted the -t switch so that table handling code is used
- by default and users must turn it off with -t.
-
- Manual page generation using `groff -Thtml -man' is much better
- due in large part to the table code and minor alterations in
- tmac.an.
-
-1999-10-30 Gaius Mulley
-
- * implemented auto formatting and introduced html table
- code. Fixed several text handling bugs and grohtml will
- detect centered lines - an offshoot of the html table code.
-
- * reverted meaning of grohtml's `-a' switch: using -a means that
- output will be preformatted.
-
-1999-10-05 Gaius Mulley
-
- * Introduced command line options -r to determine the resolution
- of generated images, -I to determine the format of images
- generated.
-
- * Fixed many bugs to do with superscripts, subscripts,
- indentation, font changes, and extraneous spaces.
-
- * Fixed bug in determining the range of polygons and splines.
-
- * Updated the manual page to reflect the new options.
-
- * The default image type is png format, however this will only
- work if you have a gs with a png output device. If you don't have
- a gs with this ability you can either reconfigure html to generate
- gif images by default (alter a #define in html.cc). Or
- alternatively you can use the -Igif option.
-
-1999-09-27 Werner LEMBERG
-
- * html.cc (move_horizontal): Fonts have changed one character too
- late.
-
-1999-09-26 Werner LEMBERG
-
- * grohtml.man: Minor cosmetic fixes.
-
-1999-09-25 Gaius Mulley
-
- * grohtml.man, html.cc: Rewrite of the html text component. Basic
- font faces supported together with font types. Superscript and
- subscript have also been implemented. Temporarily removed the
- -P-a switch on grohtml as it is not working (never worked). This
- is the next `to do'. Added a simple macro tmac.arkup which
- contains simple html features. This macro needs further work.
- Arc, spline, polygon fill have all been added and arc max/min xy
- limits are calculated, the same needs to be done for spline. Many
- bugs have been fixed regarding basic html text.
-
- * design.ms: New file describing how html.cc works.
-
-Aug 1999
-
- Initial release, very basic html text generated, quite ugly text
- is generated according to many reports :-) Equations, tables,
- pictures generate gif files via gs and ppmquant, ppmtogif, grops.
-
diff --git a/src/devices/grohtml-old/Makefile.sub b/src/devices/grohtml-old/Makefile.sub
deleted file mode 100755
index 57e44563..00000000
--- a/src/devices/grohtml-old/Makefile.sub
+++ /dev/null
@@ -1,10 +0,0 @@
-PROG=grohtml
-# MAN1=grohtml.n
-XLIBS=$(LIBDRIVER) $(LIBGROFF)
-MLIB=$(LIBM)
-OBJS=\
- html.o \
- output.o
-CCSRCS=\
- $(srcdir)/html.cc \
- $(srcdir)/output.cc
diff --git a/src/devices/grohtml-old/TODO b/src/devices/grohtml-old/TODO
deleted file mode 100755
index 4924bd1c..00000000
--- a/src/devices/grohtml-old/TODO
+++ /dev/null
@@ -1,294 +0,0 @@
-
-------------------------------------------------------------------
- T O D O L I S T
-------------------------------------------------------------------
-finish working out the max and min x, y, extents for splines.
-------------------------------------------------------------------
-check and test thoroughly all the character descriptions in devhtml
-(originally taken from devX100)
-------------------------------------------------------------------
-improve tmac.arkup
-------------------------------------------------------------------
-also improve documentation.
-------------------------------------------------------------------
-fix the bugs which are exposed by Eric Raymonds pic guide,
-"Making Pictures With GNU PIC". It appears that grohtml becomes confused
-about which sections of the document are text and which sections need
-to be rendered as an image.
-------------------------------------------------------------------
-it would be nice to modularise the source. A natural division might be
-to extract the table handling code from html.cc into table.cc.
-The table.cc could be expanded to recognise output from tbl and try
-and generate html tables with lines/rules/boxes. The code as it stands
-should cope with very simple plain text tables. But of course at present
-it does not get a chance to do this because the output of gtbl is
-bracketed by \fCgraphic-start\fR and \fCgraphic-end\fR.
-------------------------------------------------------------------
-introduce anti aliasing for the images as mentioned by Werner.
-------------------------------------------------------------------
-improve generation of html. Perhaps by using a stack of current
-html commands and using a kind of peephole optimizer on the stack?
-Certainly the html should be buffered and optimized.
-------------------------------------------------------------------
-
-
-Informal to do bug list and done list
-=====================================
-
-This very informal and I've included some comments. Mainly consists
-of a emailed bugs and wish lists. All very useful and welcome.
-
-------------------------------------------------------------------
-Dean writes: (provinsd@enf403-2.ensu.ucalgary.ca)
-
-I noticed also that the TOC appears immediately after the title, splitting
-it from the author and abstract. Any chance it can be moved down?
-
-gaius> this should be straight forward. (Not done yet though)
-------------------------------------------------------------------
-
-.) The command `\(->', translates to the `registered' sign (or rather
- the character `0xAE') instead of a right arrow.
-
---nearly fixed-- 4/01/2000
-
-gaius> if we know the standard html character encoding for farrow which
-gaius> will work on *all* browsers then this can be fixed inside devhtml/TR
-gaius> etc. Otherwise I guess we could translate this character into ->
-gaius> in tmac.html ?
-
-------------------------------------------------------------------
-
-Werner writes:
-
-Nevertheless, still some bugs in it. As usual, I'm refering to man.1
-of the mandb package; my command to create man.html was
-
- groff -U -t -man -Thtml -P-r -P200 man.1 > man.html
-
-.) The `-w , --where, --location' node at the beginning of man.html
- shouldn't be there at all.
-
-> .) Some paragraphs still contain hyphenated words (e.g. first
-> paragraph of the `DESCRIPTION' section).
-
-Oops! Please ignore this. I forgot to include `-mhtml' :-)
-
-.) Is it possible to have anti-aliased PNG images?
-
-.) The item `man --help' in the `EXAMPLES' section doesn't start a new
- paragraph.
-
-.) In the description of the -r switch (in the `OPTIONS' section),
- there is a new paragraph in the middle of a sentence.
-
-.) What about centering the images? Or does it depend on the table
- itself?
-
-gaius> yes, grohtml places images at their relative position on the page.
-
-.) In the `OPTIONS' section, `-c, --catman' and `-d, --debug' are
- glued together which shouldn't happen.
---fixed--
-
-.) Sometimes, an empty line is missing between items, e.g. between the
- description of the -e and the -f options.
-
-.) After the `-w, --where, --location' line, there is a superfluous
- empty line.
-
-.) The indentation in the `FILES' section is inconsistent. The same
- is true for `-V, --version' a few lines above.
-
-.) The formatting of the paragraph after the first table is completely
- wrong. It appears that the first few words are set in two columns;
- additionally, the indentation is incorrect.
-
-.) Similarly, the description of `-l' in the OPTIONS section is
- idented incorrectly. Wrong indentations happen still quite
- frequently.
-
-.) In the description of the `-D' option, there is a blank line in the
- middle of a paragraph.
-
-
- Werner
-
-------------------------------------------------------------------
-Werner writes:
-
-Gaius,
-
-checking a weird man page written by myself in German (using German
-hyphenation patterns also :-), I found some more bugs:
-
-.) Look at the following:
-
-[\c
-...\^\c
-]
-[\c
-.BI -P \ \%Plattform-ID\^\c
-]
-
- This translates to
-
-[-E Kodierungs-ID ]
- ^
- (groff breaks the line after the final `]'.)
-
- There are two errors in it: First of all, the `\ ' command should
- be translated to ` '. Secondly, a blank has crept in (marked
- with `^'. Apparently, this is related to whether it is the last
- item of a line or not.
-
---fixed-- 4 01 2000
-------------------------------------------------------------------
-
-from Steve Blinkhorn
-
-One thought that came immediately to mind after our first trials.
-If grohtml depends on grops, should there not be an easy interface to
-allow PostScript code to be interpreted into the output? For
-instance, we generate our letterhead, including a logo, on the fly in
-groff. The logo is pure PostScript. We use PostScript for colour
-manipulation, and recently for generating a lot of graphics for
-printing.
-
-gaius> should be interesting - if we can generate PS then GS it
-gaius> we should be in business
-
-------------------------------------------------------------------
- D O N E L I S T
-------------------------------------------------------------------
-the logical place and name for a file describing tmac.arkup is
-groff_markup.man placed into the `tmac' subdirectory, and your html.ms
-looks like being this kind of file.
-
-So I won't check it in currently -- may I ask you to convert this file
-to a man page?
-
--- fixed --
-
-Another related problem: I can imagine that a lot of people start to
-write man pages with HTML output in mind also. Nevertheless, it
-should be still possible to display such pages correctly with a plain
-text man pager. As a consequence, such man pages should contain at
-the beginning something like
-
- .do mso tmac.arkup
-
-What do you think?
-
- Werner
-
--- fixed --
-gaius> fixed by using troffrc-end I believe
---------------------------------------------------------------------
-Gaius,
-
-in troffrc, it appears to me that tmac.html is loaded if the output
-device is HTML. So why must I load it again (using -mhtml) to
-suppress hyphenation for HTML output? Can you provide a fix for this?
-
- Werner
-
-gaius> fixed as above
---------------------------------------------------------------------
-
-from (daeschler@shuttle.de) Rainer Daeschler
-
-I recognized s problem limiting the usage for
-"none-english aliens". The generation of PNG of GIF,
-skips all special characters like
-
- äöü ÄÖÜ ß
-
-French, Spanish, and Scandinavian national letters, too.
-
---fixed-- 14/01/2000
-
-An option which forces tables into HTML-code instead of building
-an image would be most valuable. Of course it would not preserve
-the original layout in many cases, but ease modifications of
-the HTML-output to the users demand afterwards.
-
---fixed-- 14/01/2000
-
-gaius> use the new -T option to grohtml (-P-T to groff)
-
------------------------------------------------------------------
-from Werner
-
- but `pre-defined' appears as `pre line' (note the space
- character after the soft hyphen). Something in the code makes
- problems here...
-
- (IIRC, I've sent you this man.1 file a few weeks ago).
-
-gaius> Werner fixed this by adding .cflags 0 -\(hy\(em\(en to tmac.html
-
------------------------------------------------------------------
-from Werner and Eddie
-> > > .LP
-> > > .URL Germany "ftp://groff.ffii.org/pub/groff/"
-> > > |
-> > > .URL USA "ftp://ftp.gnu.org/gnu/groff/"
-> >
-> > Problem: the first "|" of each line is missing a leading white space
-> > space.
-> >
-> > How to ensure the spaces get put there?
->
-> This is a feature grohtml (unfortunately -- AFAIK, Gaius hasn't found
-> a good workaround yet). HTML stuff gets written as specials which
-> don't consume space for troff, causing some miscalculation if placed
-> at the beginning of a paragraph. A workaround is to write
->
-> .LP
-> \&
-> .URL ...
-> |
-> .URL ...
-
-gaius> fixed by adding \& to HTML as per Werner's suggestion
-
-
-Werner writes:
-
-PNGs created by grohtml have apparently a white background -- isn't it
-possible to make the background transparent optionally?
-
-Another suggestion: What do you think about calling the PNG files
--.png or something like this? I can't see an
-advantage in the current naming scheme except for debugging purposes
-where it may be necessary to stay with the old files.
-
---fixed-- 04 01 2000
-
-gaius> however I've had to retain a default grohtml-pid-index.png for all
-gaius> stdin as we don't know the filename.. sadly looks like everything..
-gaius> Nearly done by including a new tcommand 'F filename'
-
---fixed-- 26 01 2000
-------------------------------------------------------------------
-
-.) The following code produces ugly results -- is it possible to make
- the HTML result similar to the ascii output?
-
-.in +4m
-.ta 3iC
-.I "Plattform Plattform-ID (pid)"
-\&.sp
-.ta 3iR
-Apple Unicode 0
-.br
-Macintosh 1
-.br
-ISO 2
-.br
-Microsoft 3
-.PP
-
---fixed-- 14/01/2000
-------------------------------------------------------------------
diff --git a/src/devices/grohtml-old/design.ms b/src/devices/grohtml-old/design.ms
deleted file mode 100755
index 6216d4eb..00000000
--- a/src/devices/grohtml-old/design.ms
+++ /dev/null
@@ -1,129 +0,0 @@
-.nr PS 12
-.nr VS 14
-.LP
-.TL
-Design of grohtml
-.sp 1i
-.SH
-What is grohtml
-.LP
-Grohtml is a back end for groff which generates html.
-The aim of grohtml is to produce respectible html given
-fairly typical groff input.
-.SH
-Limitations of grohtml
-.LP
-Although basic text can be translated
-in a straightforward fashion there are some areas where grohtml
-has to try and guess text relationship. In particular whenever
-grohtml encounters text tables and indented paragraphs or
-two column mode it will try and utilize the html table construct
-to preserve columns. Grohtml also attempts to work out which
-lines should be automatically formatted by the browser.
-Ultimately in trying to make reasonable guesses most of the time
-it will make mistakes occasionally.
-.PP
-Tbl, pic, eqn's are also generated using images which may be
-considered a limitation.
-.SH
-Overview of html.cc
-.LP
-This file briefly provides an overview of how html.cc operates.
-The html device driver works as follows:
-.IP (i) .5i
-firstly it creates a linked list of all words on a page.
-.IP (ii) .5i
-it runs through the page and finds the left most margin. Later
-on when generating the page it removes the margin.
-.IP (iii) .5i
-scans a page and builds two kinds of regions ascii text and graphical.
-The graphical regions consist of tbl's, eqn's, pic's
-(basically anything that cannot be textually displayed).
-It will scan through a page to find lines (such as footer etc)
-and places these into tiny graphical regions. Certain fonts
-also are treated as a graphical region - as html has no easy
-equivalent. For example Greek math symbols.
-.LP
-Finally all graphical regions are translated into png files and
-all text regions into html text.
-.PP
-To give grohtml a sporting chance of accuratly deciding which
-is a graphical region and which is text, the front end programs
-tbl, eqn, pic have all been tweeked to encapsulate pictures, tables
-and equations with the following lines:
-.sp
-.nf
-\f[CR]\&.if '\\*(.T'html' \\X(graphic-start(\c
-
-\&.if '\\*(.T'html' \\X(graphic-end(\c
-\fP
-.fi
-.sp
-these appear to grohtml as:
-.sp
-.nf
-\f[CR]\&x X graphic-start
-
-\&...
-
-\&x X graphic-end\fP
-.fi
-.sp
-.LP
-In addition to graphic-start and graphic-end there are two
-other "special characters" which are used.
-.sp
-\f[CR]\&x X index:N\fP
-.sp
-where N is a number. The purpose of this sequence is to stop
-devhtml from automatically producing links to headings which
-have a header level >N.
-The line:
-.sp
-\f[CR]\&x X html:STRING\fR
-.sp
-.LP
-allows a STRING to be passed through to the output file with
-no processing whatsoever. Ie it allows users to include html
-commands, via macro, such as:
-.sp
-\f[CR]\&.URL "Latest Emacs" "ftp://somewonderful.gnu.software"\fP
-.sp
-.LP
-Where the URL macro bundles the info into STRING above.
-For more info consult: \f[CR]tmac/tmac.arkup\fP.
-.PP
-While scanning through a page the html device copies headings and titles
-into a list of links which are later written to the beginning
-of the html document.
-.SH
-Table handling code
-.LP
-Provided that the -t option is not present when grohtml is run the grohtml
-driver will attempt to find textual tables and generate html tables.
-This allows .RS and .RE commands to operate with auto formatting. It also
-should grohtml to process .2C correctly. However, the table handling code
-has to examine the troff output and \fIguess\fR when a table starts and
-finishes. It is well to know the limitations of this approach as it
-sometimes makes the wrong decision.
-.LP
-Here are some of the rules that grohtml uses for terminating a html table:
-.LP
-.IP "(i)" .5i
-A table will be terminated when grohtml finds line which is all in bold
-font (it believes that this is a header which is outside of a table).
-This might be considered incorrect behaviour especially if you use .2C
-which generates a heading on the left column when the corresponding
-right row is blank.
-.IP "(ii)" .5i
-A table is terminated when grohtml sees that the complete line is
-has been spanned by words. Ie no gaps exist.
-.IP "(nb)" .5i
-the documentation about these rules is particularly incomplete and needs finishing
-when time prevails.
-.SH
-Dependencies
-.LP
-Grohtml is dependent upon grops, gs which are invoked to
-generate all png files. Png files are generated whenever a table, picture,
-equation or line is encountered.
diff --git a/src/devices/grohtml-old/grohtml.man b/src/devices/grohtml-old/grohtml.man
deleted file mode 100755
index 95488f0e..00000000
--- a/src/devices/grohtml-old/grohtml.man
+++ /dev/null
@@ -1,187 +0,0 @@
-.ig \"-*- nroff -*-
-Copyright (C) 1999-2000 Free Software Foundation, Inc.
-
-Permission is granted to make and distribute verbatim copies of this
-manual provided the copyright notice and this permission notice are
-preserved on all copies.
-
-Permission is granted to copy and distribute modified versions of this
-manual under the conditions for verbatim copying, provided that the
-entire resulting derived work is distributed under the terms of a
-permission notice identical to this one.
-
-Permission is granted to copy and distribute translations of this
-manual into another language, under the above conditions for modified
-versions, except that this permission notice may be included in
-translations approved by the Free Software Foundation instead of in
-the original English.
-..
-.\" Like TP, but if specified indent is more than half
-.\" the current line-length - indent, use the default indent.
-.de Tp
-.ie \\n(.$=0:((0\\$1)*2u>(\\n(.lu-\\n(.iu)) .TP
-.el .TP "\\$1"
-..
-.TH GROHTML @MAN1EXT@ "@MDATE@" "Groff Version @VERSION@"
-.SH NAME
-grohtml \- html driver for groff
-.SH SYNOPSIS
-.nr a \n(.j
-.ad l
-.nr i \n(.i
-.in +\w'\fBgrohtml 'u
-.ti \niu
-.B grohtml
-.de OP
-.ie \\n(.$-1 .RI "[\ \fB\\$1\fP" "\\$2" "\ ]"
-.el .RB "[\ " "\\$1" "\ ]"
-..
-.OP \-atTvdgm?
-.OP \-F dir
-.OP \-I imagetype
-.OP \-r resolution
-.RI "[\ " files\|.\|.\|. "\ ]"
-.br
-.ad \na
-.PP
-It is possible to have whitespace between a command line option and its
-parameter.
-.SH DESCRIPTION
-.B grohtml
-translates the output of GNU
-.B troff
-to html.
-Normally
-.B grohtml
-should be invoked by using the groff command with a
-.B \-Thtml
-option.
-If no files are given,
-.B grohtml
-will read the standard input.
-A filename of
-.B \-
-will also cause
-.B grohtml
-to read the standard input.
-Html output is written to the standard output.
-When
-.B grohtml
-is run by
-.B groff
-options can be passed to
-.B grohtml
-using the
-.B groff
-.B \-P
-option.
-.SH OPTIONS
-.TP
-.B \-a
-force
-.B grohtml
-to generate html line breaks in the same position as troff dictates.
-Without this option
-.B grohtml
-generates text in paragraphs which is formatted by the html browser.
-.TP
-.B \-d
-turn on internal debugging.
-.TP
-.B \-g
-tell
-.B grohtml
-not to try and guess titles and headings.
-By using this flag together with the -m and -a flag
-.B grohtml
-will treat the html browser as a printer, not as a formatter.
-.TP
-.B \-m
-leave margins alone.
-.B grohtml
-will not remove left margins.
-.TP
-.B \-t
-forbids
-.B grohtml
-from generating html tables when implementing indentation and tabular text.
-.B grohtml
-can implement .IP by tables or html indents.
-However if .2C is used it can only be sensibly converted to html using a
-table structure.
-As a few known bugs still exist with the html table code this option is
-present to supress execution of this development code.
-The default in
-.B grohtml
-is that html tables are generated when appropriate.
-.TP
-.B \-T
-forbids
-.B grohtml
-from generating images when processing output from tbl.
-This is useful when simple textual tables are being produced.
-.TP
-.BI \-F dir
-Prepend directory
-.IB dir /dev name
-to the search path for font and device description files;
-.I name
-is the name of the device, usually
-.BR html .
-.TP
-.BI \-I imagetype
-select the type of image generated when grohtml encounters an equation,
-table, or picture.
-By default this is png256.
-Legal image types are: gif and any of the png formats which are supported by
-ghostscript gs(1).
-.TP
-.BI \-r resolution
-select the resolution for all images.
-By default this is 80 pixels per inch.
-Example: -r100 indicates 100 pixels per inch.
-.TP
-.B \-v
-Print the version number.
-.TP
-.B \-?
-Display usage.
-.SH USAGE
-There are styles called
-.BR R ,
-.BR I ,
-.BR B ,
-and
-.B BI
-mounted at font positions 1 to 4.
-It is advisable to invoke groff with the -mhtml macro set, which turns off
-headers, footers, and hyphenation; additionally, it will right justify text.
-.SH DEPENDENCIES
-.B grohtml
-is dependent upon grops and gs.
-If
-.B grohtml
-has been configured to generate gif files then it is further dependent upon,
-ppmtogif, and ppmquant.
-However if it has been configured to generate png files (the default) then
-it is dependent upon gs having a png output device.
-Images are generated whenever a table, picture, equation or line is
-encountered.
-.SH BUGS
-This is still very alpha.
-At least three major bugs remain:
-Firstly,
-.B grohtml
-sometimes miscalculates the end of an html table resulting in text which
-appears twice.
-Secondly equation numbers are not handled correctly.
-Thirdly equation macros and pic macros can confuse
-.BR grohtml .
-.SH "SEE ALSO"
-.BR afmtodit (@MAN1EXT@),
-.BR groff (@MAN1EXT@),
-.BR @g@troff (@MAN1EXT@),
-.BR psbb (@MAN1EXT@),
-.BR groff_out (@MAN5EXT@),
-.BR groff_font (@MAN5EXT@),
-.BR groff_char (@MAN7EXT@)
diff --git a/src/devices/grohtml-old/html.cc b/src/devices/grohtml-old/html.cc
deleted file mode 100755
index 102c043a..00000000
--- a/src/devices/grohtml-old/html.cc
+++ /dev/null
@@ -1,6619 +0,0 @@
-// -*- C++ -*-
-/* Copyright (C) 1999, 2001 Free Software Foundation, Inc.
- *
- * Gaius Mulley (gaius@glam.ac.uk) wrote grohtml
- * but it owes a huge amount of ideas and raw code from
- * James Clark (jjc@jclark.com) grops/ps.cc.
- */
-
-/*
-This file is part of groff.
-
-groff is free software; you can redistribute it and/or modify it under
-the terms of the GNU General Public License as published by the Free
-Software Foundation; either version 2, or (at your option) any later
-version.
-
-groff is distributed in the hope that it will be useful, but WITHOUT ANY
-WARRANTY; without even the implied warranty of MERCHANTABILITY or
-FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
-for more details.
-
-You should have received a copy of the GNU General Public License along
-with groff; see the file COPYING. If not, write to the Free Software
-Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
-
-#include "driver.h"
-#include "stringclass.h"
-#include "cset.h"
-
-#include "html.h"
-#include "html_chars.h"
-#include
-
-#ifdef HAVE_UNISTD_H
-#include
-#endif
-
-extern "C" {
- // SunOS 4.1.3 fails to declare this in stdlib.h
- char *mktemp(char *);
-}
-
-#include
-#include
-
-#ifndef _POSIX_VERSION
-
-#ifdef HAVE_LIMITS_H
-#include
-#endif /* HAVE_LIMITS_H */
-
-#ifdef HAVE_DIRENT_H
-#include
-#else /* not HAVE_DIRENT_H */
-#ifdef HAVE_SYS_DIR_H
-#include
-#endif /* HAVE_SYS_DIR_H */
-#endif /* not HAVE_DIRENT_H */
-
-#ifndef NAME_MAX
-#ifdef MAXNAMLEN
-#define NAME_MAX MAXNAMLEN
-#else /* !MAXNAMLEN */
-#ifdef MAXNAMELEN
-#define NAME_MAX MAXNAMELEN
-#else /* !MAXNAMELEN */
-#define NAME_MAX 14
-#endif /* !MAXNAMELEN */
-#endif /* !MAXNAMLEN */
-#endif /* !NAME_MAX */
-
-#endif /* not _POSIX_VERSION */
-
-#include "nonposix.h"
-
-#include "ordered_list.h"
-
-#if !defined(TRUE)
-# define TRUE (1==1)
-#endif
-#if !defined(FALSE)
-# define FALSE (1==0)
-#endif
-
-#define MAX_TEMP_NAME 1024
-#define MAX_STRING_LENGTH 4096
-#define MAX_CHAR_SIZE 50 // maximum length of character name
-
-#define Y_FUDGE_MARGIN +0.83
-#define A4_PAGE_LENGTH (11.6944-Y_FUDGE_MARGIN)
-#define DEFAULT_IMAGE_RES 80
-#define IMAGE_BOARDER_PIXELS 10
-#define MAX_WORDS_PER_LINE 1000 // only used for table indentation
-#define GAP_SPACES 3 // how many spaces needed to guess a gap?
-#define GAP_WIDTH_ONE_LINE 2 // 1/GAP_WIDTH_ONE_LINE inches required for one line table
-#define CENTER_TOLERANCE 2 // how many pixels off center will we think a line or region is centered
-#define MIN_COLUMN 7 // minimum column size pixels for multiple lines
-#define MIN_COLUMN_FOR_TWO_LINES 20 // minimum column size pixels for a 2 line table
-#define MIN_TEXT_PERCENT 5 // try and round to this percentage value for used columns
-#define PERCENT_THRESHOLD 20 // don't bother trying to increase and width greater than this
-
-
-/*
- * Only uncomment one of the following to determine default image type.
- */
-
-#define IMAGE_DEFAULT_PNG
-/* #define IMAGE_DEFAULT_GIF */
-
-
-#if defined(IMAGE_DEFAULT_GIF)
-static enum { gif, png } image_type = gif;
-static char *image_device = "gif";
-#elif defined(IMAGE_DEFAULT_PNG)
-static enum { gif, png } image_type = png;
-static char *image_device = "png256";
-#else
-# error "you must define either IMAGE_DEFAULT_GIF or IMAGE_DEFAULT_PNG"
-#endif
-
-static int debug_on = FALSE;
-static int guess_on = TRUE;
-static int margin_on = FALSE;
-static int auto_on = TRUE;
-static int table_on = TRUE;
-static int image_res = DEFAULT_IMAGE_RES;
-static int debug_table_on = FALSE;
-static int table_image_on = TRUE; // default is to create images for tbl
-
-static int linewidth = -1;
-
-#define DEFAULT_LINEWIDTH 40 /* in ems/1000 */
-#define MAX_LINE_LENGTH 72
-#define FILL_MAX 1000
-
-void stop () {}
-
-
-/*
- * start with a few favorites
- */
-
-static int min (int a, int b)
-{
- if (a < b) {
- return( a );
- } else {
- return( b );
- }
-}
-
-static int max (int a, int b)
-{
- if (a > b) {
- return( a );
- } else {
- return( b );
- }
-}
-
-/*
- * is_subsection - returns TRUE if a1..a2 is within b1..b2
- */
-
-static int is_subsection (int a1, int a2, int b1, int b2)
-{
- // easier to see whether this is not the case
- return( !((a1 < b1) || (a1 > b2) || (a2 < b1) || (a2 > b2)) );
-}
-
-/*
- * is_intersection - returns TRUE if range a1..a2 intersects with b1..b2
- */
-
-static int is_intersection (int a1, int a2, int b1, int b2)
-{
- // again easier to prove NOT outside limits
- return( ! ((a1 > b2) || (a2 < b1)) );
-}
-
-/*
- * is_digit - returns TRUE if character, ch, is a digit.
- */
-
-static int is_digit (char ch)
-{
- return( (ch >= '0') && (ch <= '9') );
-}
-
-/*
- * more_than_line_break - returns TRUE should v1 and v2 differ by more than
- * a simple line break.
- */
-
-static int more_than_line_break (int v1, int v2, int size)
-{
- return( abs(v1-v2)>size );
-}
-
-/*
- * the class and methods for styles
- */
-
-struct style {
- font *f;
- int point_size;
- int font_no;
- int height;
- int slant;
- style ();
- style (font *, int, int, int, int);
- int operator == (const style &) const;
- int operator != (const style &) const;
-};
-
-style::style()
- : f(0)
-{
-}
-
-style::style(font *p, int sz, int h, int sl, int no)
- : f(p), point_size(sz), font_no(no), height(h), slant(sl)
-{
-}
-
-int style::operator==(const style &s) const
-{
- return (f == s.f && point_size == s.point_size
- && height == s.height && slant == s.slant);
-}
-
-int style::operator!=(const style &s) const
-{
- return !(*this == s);
-}
-
-
-/*
- * the class and methods for retaining ascii text
- */
-
-struct char_block {
- enum { SIZE = 256 };
- char buffer[SIZE];
- int used;
- char_block *next;
-
- char_block();
-};
-
-char_block::char_block()
-: used(0), next(0)
-{
-}
-
-class char_buffer {
-public:
- char_buffer();
- ~char_buffer();
- char *add_string(char *, unsigned int);
-private:
- char_block *head;
- char_block *tail;
-};
-
-char_buffer::char_buffer()
-: head(0), tail(0)
-{
-}
-
-char_buffer::~char_buffer()
-{
- while (head != 0) {
- char_block *temp = head;
- head = head->next;
- delete temp;
- }
-}
-
-char *char_buffer::add_string (char *s, unsigned int length)
-{
- int i=0;
- unsigned int old_used;
-
- if (tail == 0) {
- tail = new char_block;
- head = tail;
- } else {
- if (tail->used + length+1 > char_block::SIZE) {
- tail->next = new char_block;
- tail = tail->next;
- }
- }
- // at this point we have a tail which is ready for the string.
- if (tail->used + length+1 > char_block::SIZE) {
- fatal("need to increase char_block::SIZE");
- }
-
- old_used = tail->used;
- do {
- tail->buffer[tail->used] = s[i];
- tail->used++;
- i++;
- length--;
- } while (length>0);
-
- // add terminating nul character
-
- tail->buffer[tail->used] = '\0';
- tail->used++;
-
- // and return start of new string
-
- return( &tail->buffer[old_used] );
-}
-
-/*
- * the classes and methods for maintaining pages and text positions and graphic regions
- */
-
-class text_glob {
-public:
- int is_less (text_glob *a, text_glob *b);
- text_glob (style *s, char *string, unsigned int length,
- int min_vertical, int min_horizontal,
- int max_vertical, int max_horizontal, int is_command, int is_html);
- text_glob (void);
- ~text_glob (void);
-
- style text_style;
- char *text_string;
- unsigned int text_length;
- int minv, maxv, minh, maxh;
- int is_raw_command; // should the text be sent directly to the device?
- int is_html_command; // is the raw command definitely for the html device ie not an eqn?
-};
-
-text_glob::text_glob (style *s, char *string, unsigned int length,
- int min_vertical, int min_horizontal,
- int max_vertical, int max_horizontal, int is_command, int is_html)
- : text_style(*s), text_string(string), text_length(length),
- minv(min_vertical), maxv(max_vertical), minh(min_horizontal), maxh(max_horizontal),
- is_raw_command(is_command), is_html_command(is_html)
-{
-}
-
-text_glob::text_glob ()
- : text_string(0), text_length(0), minv(-1), maxv(-1), minh(-1), maxh(-1),
- is_raw_command(FALSE), is_html_command(FALSE)
-{
-}
-
-text_glob::~text_glob ()
-{
-}
-
-int text_glob::is_less (text_glob *a, text_glob *b)
-{
- if (is_intersection(a->minv+1, a->maxv-1, b->minv+1, b->maxv-1)) {
- return( a->minh < b->minh );
- } else {
- return( a->maxv < b->maxv );
- }
-}
-
-struct xycoord {
- int x;
- int y;
-};
-
-class graphic_glob {
-public:
- int is_less (graphic_glob *a, graphic_glob *b);
- graphic_glob (int troff_code);
- graphic_glob (void);
- ~graphic_glob (void);
-
- int minv, maxv, minh, maxh;
- int xc, yc;
- int nopoints; // number of points allocated in array below
- struct xycoord *point;
- int size;
- int fill;
- int code;
-};
-
-graphic_glob::graphic_glob ()
- : minv(-1), maxv(-1), minh(-1), maxh(-1), nopoints(0), point(0), size(0), code(0)
-{
-}
-
-graphic_glob::~graphic_glob ()
-{
- if (point != 0) {
- free(point);
- }
-}
-
-graphic_glob::graphic_glob (int troff_code)
- : minv(-1), maxv(-1), minh(-1), maxh(-1), nopoints(0), point(0), size(0), code(troff_code)
-{
-}
-
-int graphic_glob::is_less (graphic_glob *a, graphic_glob *b)
-{
- return( (a->minv < b->minv) || ((a->minv == b->minv) && (a->minh < b->minh)) );
-}
-
-class region_glob {
-public:
- region_glob (void);
- ~region_glob (void);
- int is_less (region_glob *a, region_glob *b);
-
- int minv, maxv, minh, maxh;
-};
-
-int region_glob::is_less (region_glob *a, region_glob *b)
-{
- return( (a->minv < b->minv) || ((a->minv == b->minv) && (a->minh < b->minh)) );
-}
-
-region_glob::region_glob (void)
- : minv(-1), maxv(-1), minh(-1), maxh(-1)
-{
-}
-
-region_glob::~region_glob (void)
-{
-}
-
-class page {
-public:
- page (void);
- void add (style *s, char *string, unsigned int length,
- int min_vertical, int min_horizontal,
- int max_vertical, int max_horizontal);
- void add_html_command (style *s, char *string, unsigned int length,
- int min_vertical, int min_horizontal,
- int max_vertical, int max_horizontal);
- void add_special_char (style *s, char *string, unsigned int length,
- int min_vertical, int min_horizontal,
- int max_vertical, int max_horizontal);
- void add_line (int code, int x1, int y1, int x2, int y2, int size, int fill);
- void add_arc (int code, int xc, int yc, int *p, double *c, int size, int fill);
- void add_polygon (int code, int np, int *p, int oh, int ov, int size, int fill);
- void add_spline (int code, int xc, int yc, int np, int *p, int size, int fill);
- void calculate_region (void);
- int is_in_region (graphic_glob *g);
- int can_grow_region (graphic_glob *g);
- void make_new_region (graphic_glob *g);
- int has_line (region_glob *r);
- int has_word (region_glob *r);
- int no_raw_commands (int minv, int maxv);
-
- // and the data
-
- ordered_list regions; // squares of bitmapped pics,eqn,tbl's
- ordered_list words; // position of words on page
- ordered_list lines; // position of lines on page
- char_buffer buffer; // all characters for this page
- int is_in_graphic; // should graphics and words go below or above
- ordered_list region_words; // temporary accumulation of words in a region
- ordered_list region_lines; // (as above) and used so that we can determine
- // the regions vertical limits
-};
-
-page::page()
- : is_in_graphic(FALSE)
-{
-}
-
-void page::add (style *s, char *string, unsigned int length,
- int min_vertical, int min_horizontal,
- int max_vertical, int max_horizontal)
-{
- if (length > 0) {
- text_glob *g=new text_glob(s, buffer.add_string(string, length), length,
- min_vertical, min_horizontal, max_vertical, max_horizontal, FALSE, FALSE);
- if (is_in_graphic) {
- region_words.add(g);
- } else {
- words.add(g);
- }
- }
-}
-
-/*
- * add_html_command - it only makes sense to add html commands when we are not inside
- * a graphical entity.
- */
-
-void page::add_html_command (style *s, char *string, unsigned int length,
- int min_vertical, int min_horizontal,
- int max_vertical, int max_horizontal)
-{
- if ((length > 0) && (! is_in_graphic)) {
- text_glob *g=new text_glob(s, buffer.add_string(string, length), length,
- min_vertical, min_horizontal, max_vertical, max_horizontal, TRUE, TRUE);
- words.add(g);
- }
-}
-
-/*
- * add_special_char - it only makes sense to add special characters when we are inside
- * a graphical entity.
- */
-
-void page::add_special_char (style *s, char *string, unsigned int length,
- int min_vertical, int min_horizontal,
- int max_vertical, int max_horizontal)
-{
- if ((length > 0) && (is_in_graphic)) {
- text_glob *g=new text_glob(s, buffer.add_string(string, length), length,
- min_vertical, min_horizontal, max_vertical, max_horizontal, TRUE, FALSE);
- region_words.add(g);
- }
-}
-
-void page::add_line (int code, int x1, int y1, int x2, int y2, int size, int fill)
-{
- graphic_glob *g = new graphic_glob(code);
-
- g->minh = min(x1, x2);
- g->maxh = max(x1, x2);
- g->minv = min(y1, y2);
- g->maxv = max(y1, y2);
- g->point = (struct xycoord *)malloc(sizeof(xycoord)*2);
- g->nopoints = 2;
- g->point[0].x = x1 ;
- g->point[0].y = y1 ;
- g->point[1].x = x2 ;
- g->point[1].y = y2 ;
- g->xc = 0;
- g->yc = 0;
- g->size = size;
- g->fill = fill;
-
- if (is_in_graphic) {
- region_lines.add(g);
- } else {
- lines.add(g);
- }
-}
-
-/*
- * assign_min_max_for_arc - works out the smallest box that will encompass an
- * arc defined by: origin: g->xc, g->xc
- * and vector (p[0], p[1]) and (p[2], p[3])
- */
-
-void assign_min_max_for_arc (graphic_glob *g, int *p, double *c)
-{
- int radius = (int) sqrt(c[0]*c[0]+c[1]*c[1]);
- int xv1 = p[0];
- int yv1 = p[1];
- int xv2 = p[2];
- int yv2 = p[3];
- int x1 = g->xc+xv1;
- int y1 = g->yc+yv1;
- int x2 = g->xc+xv1+xv2;
- int y2 = g->yc+yv1+yv2;
-
- // firstly lets use the 'circle' limitation
- g->minh = x1-radius;
- g->maxh = x1+radius;
- g->minv = y1-radius;
- g->maxv = y1+radius;
-
- // incidentally I'm sure there is a better way to do this, but I don't know it
- // please can someone let me know or "improve" this function
-
- // now see which min/max can be reduced and increased for the limits of the arc
- //
- //
- // Q2 | Q1
- // -----+-----
- // Q3 | Q4
- //
-
-
- if ((xv1>=0) && (yv1>=0)) {
- // first vector in Q3
- if ((xv2>=0) && (yv2>=0)) {
- // second in Q1
- g->maxh = x2;
- g->minv = y1;
- } else if ((xv2<0) && (yv2>=0)) {
- // second in Q2
- g->maxh = x2;
- g->minv = y1;
- } else if ((xv2>=0) && (yv2<0)) {
- // second in Q4
- g->minv = min(y1, y2);
- } else if ((xv2<0) && (yv2<0)) {
- // second in Q3
- if (x1>=x2) {
- g->minh = x2;
- g->maxh = x1;
- g->minv = min(y1, y2);
- g->maxv = max(y1, y2);
- } else {
- // xv2, yv2 could all be zero?
- }
- }
- } else if ((xv1>=0) && (yv1<0)) {
- // first vector in Q2
- if ((xv2>=0) && (yv2>=0)) {
- // second in Q1
- g->maxh = max(x1, x2);
- g->minh = min(x1, x2);
- g->minv = y1;
- } else if ((xv2<0) && (yv2>=0)) {
- // second in Q2
- if (x1maxh = x2;
- g->minh = x1;
- g->minv = min(y1, y2);
- g->maxv = max(y1, y2);
- } else {
- // otherwise almost full circle anyway
- }
- } else if ((xv2>=0) && (yv2<0)) {
- // second in Q4
- g->minv = y2;
- g->minh = x1;
- } else if ((xv2<0) && (yv2<0)) {
- // second in Q3
- g->minh = min(x1, x2);
- }
- } else if ((xv1<0) && (yv1<0)) {
- // first vector in Q1
- if ((xv2>=0) && (yv2>=0)) {
- // second in Q1
- if (x1minh = x1;
- g->maxh = x2;
- g->minv = min(y1, y2);
- g->maxv = max(y1, y2);
- } else {
- // nearly full circle
- }
- } else if ((xv2<0) && (yv2>=0)) {
- // second in Q2
- g->maxv = max(y1, y2);
- } else if ((xv2>=0) && (yv2<0)) {
- // second in Q4
- g->minv = min(y1, y2);
- g->maxv = max(y1, y2);
- g->minh = min(x1, x2);
- } else if ((xv2<0) && (yv2<0)) {
- // second in Q3
- g->minh = x2;
- g->maxv = y1;
- }
- } else if ((xv1<0) && (yv1>=0)) {
- // first vector in Q4
- if ((xv2>=0) && (yv2>=0)) {
- // second in Q1
- g->maxh = max(x1, x2);
- } else if ((xv2<0) && (yv2>=0)) {
- // second in Q2
- g->maxv = max(y1, y2);
- g->maxh = max(x1, x2);
- } else if ((xv2>=0) && (yv2<0)) {
- // second in Q4
- if (x1>=x2) {
- g->minv = min(y1, y2);
- g->maxv = max(y1, y2);
- g->minh = min(x1, x2);
- g->maxh = max(x2, x2);
- } else {
- // nearly full circle
- }
- } else if ((xv2<0) && (yv2<0)) {
- // second in Q3
- g->maxv = max(y1, y2);
- g->minh = min(x1, x2);
- g->maxh = max(x1, x2);
- }
- }
- // this should *never* happen but if it does it means a case above is wrong..
-
- // this code is only present for safety sake
- if (g->maxh < g->minh) {
- if (debug_on) {
- fprintf(stderr, "assert failed minh > maxh\n"); fflush(stderr);
- // stop();
- }
- g->maxh = g->minh;
- }
- if (g->maxv < g->minv) {
- if (debug_on) {
- fprintf(stderr, "assert failed minv > maxv\n"); fflush(stderr);
- // stop();
- }
- g->maxv = g->minv;
- }
-}
-
-void page::add_arc (int code, int xc, int yc, int *p, double *c, int size, int fill)
-{
- graphic_glob *g = new graphic_glob(code);
-
- g->point = (struct xycoord *)malloc(sizeof(xycoord)*2);
- g->nopoints = 2;
- g->point[0].x = p[0] ;
- g->point[0].y = p[1] ;
- g->point[1].x = p[2] ;
- g->point[1].y = p[3] ;
- g->xc = xc;
- g->yc = yc;
- g->size = size;
- g->fill = fill;
-
- assign_min_max_for_arc(g, p, c);
-
- if (is_in_graphic) {
- region_lines.add(g);
- } else {
- lines.add(g);
- }
-}
-
-
-void page::add_polygon (int code, int np, int *p, int oh, int ov, int size, int fill)
-{
- graphic_glob *g = new graphic_glob(code);
- int j = 0;
- int i;
-
- g->point = (struct xycoord *)malloc(sizeof(xycoord)*np/2);
- g->nopoints = np/2;
-
- for (i=0; inopoints; i++) {
- g->point[i].x = p[j];
- j++;
- g->point[i].y = p[j];
- j++;
- }
- // now calculate min/max
- g->minh = g->point[0].x;
- g->minv = g->point[0].y;
- g->maxh = g->point[0].x;
- g->maxv = g->point[0].y;
- for (i=1; inopoints; i++) {
- g->minh = min(g->minh, g->point[i].x);
- g->minv = min(g->minv, g->point[i].y);
- g->maxh = max(g->maxh, g->point[i].x);
- g->maxv = max(g->maxv, g->point[i].y);
- }
- g->size = size;
- g->xc = oh;
- g->yc = ov;
- g->fill = fill;
-
- if (is_in_graphic) {
- region_lines.add(g);
- } else {
- lines.add(g);
- }
-}
-
-void page::add_spline (int code, int xc, int yc, int np, int *p, int size, int fill)
-{
- graphic_glob *g = new graphic_glob(code);
- int j = 0;
- int i;
-
- g->point = (struct xycoord *)malloc(sizeof(xycoord)*np/2);
- g->nopoints = np/2;
-
- for (i=0; inopoints; i++) {
- g->point[i].x = p[j];
- j++;
- g->point[i].y = p[j];
- j++;
- }
- // now calculate min/max
- g->minh = min(g->point[0].x, g->point[0].x/2);
- g->minv = min(g->point[0].y, g->point[0].y/2);
- g->maxh = max(g->point[0].x, g->point[0].x/2);
- g->maxv = max(g->point[0].y, g->point[0].y/2);
-
- /* tnum/tden should be between 0 and 1; the closer it is to 1
- the tighter the curve will be to the guiding lines; 2/3
- is the standard value */
- const int tnum = 2;
- const int tden = 3;
-
- for (i=1; inopoints-1; i++) {
- g->minh = min(g->minh, g->point[i].x*tnum/(2*tden));
- g->minv = min(g->minv, g->point[i].y*tnum/(2*tden));
- g->maxh = max(g->maxh, g->point[i].x*tnum/(2*tden));
- g->maxv = max(g->maxv, g->point[i].y*tnum/(2*tden));
-
- g->minh = min(g->minh, g->point[i].x/2+(g->point[i+1].x*(tden-tden))/(2*tden));
- g->minv = min(g->minv, g->point[i].y/2+(g->point[i+1].y*(tden-tden))/(2*tden));
- g->maxh = max(g->maxh, g->point[i].x/2+(g->point[i+1].x*(tden-tden))/(2*tden));
- g->maxv = max(g->maxv, g->point[i].y/2+(g->point[i+1].y*(tden-tden))/(2*tden));
-
- g->minh = min(g->minh, (g->point[i].x-g->point[i].x/2) + g->point[i+1].x/2);
- g->minv = min(g->minv, (g->point[i].y-g->point[i].y/2) + g->point[i+1].y/2);
- g->maxh = max(g->maxh, (g->point[i].x-g->point[i].x/2) + g->point[i+1].x/2);
- g->maxv = max(g->maxv, (g->point[i].y-g->point[i].y/2) + g->point[i+1].y/2);
- }
- i = g->nopoints-1;
-
- g->minh = min(g->minh, (g->point[i].x-g->point[i].x/2)) + xc;
- g->minv = min(g->minv, (g->point[i].y-g->point[i].y/2)) + yc;
- g->maxh = max(g->maxh, (g->point[i].x-g->point[i].x/2)) + xc;
- g->maxv = max(g->maxv, (g->point[i].y-g->point[i].y/2)) + yc;
-
- g->size = size;
- g->xc = xc;
- g->yc = yc;
- g->fill = fill;
-
- if (is_in_graphic) {
- region_lines.add(g);
- } else {
- lines.add(g);
- }
-}
-
-class html_font : public font {
- html_font(const char *);
-public:
- int encoding_index;
- char *encoding;
- char *reencoded_name;
- ~html_font();
- static html_font *load_html_font(const char *);
-};
-
-html_font *html_font::load_html_font(const char *s)
-{
- html_font *f = new html_font(s);
- if (!f->load()) {
- delete f;
- return 0;
- }
- return f;
-}
-
-html_font::html_font(const char *nm)
-: font(nm)
-{
-}
-
-html_font::~html_font()
-{
-}
-
-/*
- * a simple class to contain the header to this document
- */
-
-class title_desc {
-public:
- title_desc ();
- ~title_desc ();
-
- int has_been_written;
- int has_been_found;
- char text[MAX_STRING_LENGTH];
-};
-
-
-title_desc::title_desc ()
- : has_been_written(FALSE), has_been_found(FALSE)
-{
-}
-
-title_desc::~title_desc ()
-{
-}
-
-class header_desc {
-public:
- header_desc ();
- ~header_desc ();
-
- int no_of_headings; // how many headings have we found?
- char_buffer headings; // all the headings used in the document
- ordered_list headers;
- int header_level; // current header level
- int written_header; // have we written the header yet?
- char header_buffer[MAX_STRING_LENGTH]; // current header text
-
- void write_headings (FILE *f);
-};
-
-header_desc::header_desc ()
- : no_of_headings(0), header_level(2), written_header(0)
-{
-}
-
-header_desc::~header_desc ()
-{
-}
-
-/*
- * paragraph_type - alignment for a new paragraph
- */
-
-typedef enum { left_alignment, center_alignment } paragraph_type;
-
-/*
- * text_defn - defines the limit of text, initially these are stored in the
- * column array as words. Later we examine the white space between
- * the words in successive lines to find out whether we can detect
- * distinct columns. The columns are generated via html tables.
- */
-
-struct text_defn {
- int left; // the start of a word or text
- int right; // the end of the text and beginning of white space
- int is_used; // will this this column be used for words or space
- int right_hits; // count of the number of words touching right position
- int percent; // what percentage width should we use for this cell?
-};
-
-/*
- * introduce a paragraph class so that we can nest paragraphs
- * from plain html text and html tables.
- */
-
-class html_paragraph {
-public:
- html_paragraph (int in, int need, paragraph_type type, html_paragraph *prev);
- ~html_paragraph ();
-
- int in_paragraph;
- int need_paragraph;
- paragraph_type para_type;
- html_paragraph *previous;
-};
-
-/*
- * html_paragraph - constructor, fill in the public fields.
- */
-
-html_paragraph::html_paragraph (int in, int need, paragraph_type type, html_paragraph *prev)
- : in_paragraph(in), need_paragraph(need),
- para_type(type), previous(prev)
-{
-}
-
-/*
- * html_paragraph - deconstructor
- */
-
-html_paragraph::~html_paragraph ()
-{
-}
-
-/*
- * note that html_tables are currently only used to provide a better
- * indentation mechanism for html text (in particular it allows grohtml
- * to render .IP and .2C together with autoformatting).
- */
-
-class html_table {
-public:
- html_table ();
- ~html_table ();
-
- int no_of_columns; // how many columns are we using?
- struct text_defn *columns; // left and right margins for each column
- int vertical_limit; // the limit of the table
- int wrap_margin; // is the current rightmost margin able to wrap words?
-};
-
-html_table::html_table ()
- : no_of_columns(0), columns(0), vertical_limit(0), wrap_margin(0)
-{
-}
-
-html_table::~html_table ()
-{
-}
-
-class html_printer : public printer {
- FILE *tempfp;
- simple_output html;
- simple_output troff;
- int res;
- int postscript_res;
- int space_char_index;
- int no_of_printed_pages;
- int paper_length;
- enum { SBUF_SIZE = 8192 };
- char sbuf[SBUF_SIZE];
- int sbuf_len;
- int sbuf_start_hpos;
- int sbuf_vpos;
- int sbuf_end_hpos;
- int sbuf_kern;
- style sbuf_style;
- int sbuf_dmark_hpos;
- style output_style;
- int output_hpos;
- int output_vpos;
- int output_draw_point_size;
- int line_thickness;
- int output_line_thickness;
- int fill;
- unsigned char output_space_code;
- string defs;
- char *inside_font_style;
- int page_number;
- title_desc title;
- header_desc header;
- int header_indent;
- page *page_contents;
- html_table indentation;
- int left_margin_indent;
- int right_margin_indent;
- int need_one_newline;
- int issued_newline;
- html_paragraph *current_paragraph;
- char image_name[MAX_STRING_LENGTH];
- int image_number;
- int graphic_level;
- int supress_sub_sup;
-
- int start_region_vpos;
- int start_region_hpos;
- int end_region_vpos;
- int end_region_hpos;
- int cutoff_heading;
-
- struct graphic_glob *start_graphic;
- struct text_glob *start_text;
-
- void flush_sbuf ();
- void set_style (const style &);
- void set_space_code (unsigned char c);
- void do_exec (char *, const environment *);
- void do_import (char *, const environment *);
- void do_def (char *, const environment *);
- void do_mdef (char *, const environment *);
- void do_file (char *, const environment *);
- void set_line_thickness (const environment *);
- void change_font (text_glob *g, int is_to_html);
- void terminate_current_font (void);
- void flush_font (void);
- void flush_page (void);
- void add_char_to_sbuf (unsigned char code);
- void add_to_sbuf (char code, const char *name);
- void display_word (text_glob *g, int is_to_html);
- void html_display_word (text_glob *g);
- void troff_display_word (text_glob *g);
- void display_line (graphic_glob *g, int is_to_html);
- void display_fill (graphic_glob *g);
- void calculate_margin (void);
- void traverse_page_regions (void);
- void dump_page (void);
- int is_within_region (graphic_glob *g);
- int is_within_region (text_glob *t);
- int is_less (graphic_glob *g, text_glob *t);
- void display_globs (int is_to_html);
- void move_horizontal (text_glob *g, int left_margin);
- void move_vertical (text_glob *g, paragraph_type p);
- void write_html_font_face (const char *fontname, const char *left, const char *right);
- void write_html_font_type (const char *fontname, const char *left, const char *right);
- void html_change_font (text_glob *g, const char *fontname, int size);
- char *html_position_text (text_glob *g, int left_margin, int right_margin);
- int html_position_region (void);
- void troff_change_font (const char *fontname, int size, int font_no);
- void troff_position_text (text_glob *g);
- int pretend_is_on_same_line (text_glob *g, int left_margin, int right_margin);
- int is_on_same_line (text_glob *g, int vpos);
- int looks_like_subscript (text_glob *g);
- int looks_like_superscript (text_glob *g);
- int looks_like_smaller_font (text_glob *g);
- int looks_like_larger_font (text_glob *g);
- void begin_paragraph (paragraph_type p);
- void begin_paragraph_no_height (paragraph_type p);
- void force_begin_paragraph (void);
- void end_paragraph (void);
- void save_paragraph (void);
- void restore_paragraph (void);
- void html_newline (void);
- void convert_to_image (char *troff_src, char *image_name);
- void write_title (int in_head);
- void find_title (void);
- int is_bold (text_glob *g);
- void write_header (text_glob *g);
- void determine_header_level (void);
- void build_header (text_glob *g);
- void make_html_indent (int indent);
- int is_whole_line_bold (text_glob *g);
- int is_a_header (text_glob *g);
- int processed_header (text_glob *g);
- void make_new_image_name (void);
- void calculate_region_margins (region_glob *r);
- void remove_redundant_regions (void);
- void remove_duplicate_regions (void);
- void move_region_to_page (void);
- void calculate_region_range (graphic_glob *r);
- void flush_graphic (void);
- void write_string (graphic_glob *g, int is_to_html);
- void prologue (void);
- int gs_x (int x);
- int gs_y (int y);
- void display_regions (void);
- int check_able_to_use_table (text_glob *g);
- int using_table_for_indent (void);
- int collect_columns (struct text_defn *next_words, struct text_defn *next_cols,
- struct text_defn *last_words, struct text_defn *last_cols,
- int max_words);
- void include_into_list (struct text_defn *line, struct text_defn *item);
- int is_in_column (struct text_defn *line, struct text_defn *item, int max_words);
- int is_column_match (struct text_defn *match, struct text_defn *line1,
- struct text_defn *line2, int max_words);
- int count_columns (struct text_defn *line);
- void rewind_text_to (text_glob *g);
- int found_use_for_table (text_glob *start);
- void column_display_word (int cell, int vert, int left, int right, int next);
- void start_table (void);
- void end_table (void);
- void foreach_column_include_text (text_glob *start);
- void define_cell (int i);
- int column_calculate_left_margin (int left, int right);
- int column_calculate_right_margin (int left, int right);
- void display_columns (const char *word, const char *name, text_defn *line);
- void calculate_right (struct text_defn *line, int max_words);
- void determine_right_most_column (struct text_defn *line, int max_words);
- int remove_white_using_words (struct text_defn *next_guess, struct text_defn *last_guess, struct text_defn *next_line);
- void copy_line (struct text_defn *dest, struct text_defn *src);
- void combine_line (struct text_defn *dest, struct text_defn *src);
- int conflict_with_words (struct text_defn *column_guess, struct text_defn *words);
- void remove_entry_in_line (struct text_defn *line, int j);
- void remove_redundant_columns (struct text_defn *line);
- void add_column_gaps (struct text_defn *line);
- int continue_searching_column (text_defn *next_col, text_defn *last_col, text_defn *all_words);
- void add_right_full_width (struct text_defn *line, int mingap);
- int is_continueous_column (text_defn *last_col, text_defn *next_line);
- int is_exact_left (text_defn *last_col, text_defn *next_line);
- int find_column_index_in_line (text_glob *t, text_defn *line);
- void emit_space (text_glob *g, int force_space);
- int is_in_middle (int left, int right);
- int check_able_to_use_center (text_glob *g);
- void write_centered_line (text_glob *g);
- int single_centered_line (text_defn *first, text_defn *second, text_glob *g);
- int determine_row_limit (text_glob *start, int v);
- void assign_used_columns (text_glob *start);
- int find_column_index (text_glob *t);
- int large_enough_gap (text_defn *last_col);
- int is_worth_column (int left, int right);
- int is_subset_of_columns (text_defn *a, text_defn *b);
- void count_hits (text_defn *col, int no_of_columns, int limit);
- void count_right_hits (text_defn *col, int no_of_columns);
- int calculate_min_gap (text_glob *g);
- int right_indentation (struct text_defn *last_guess);
- void calculate_percentage_width (text_glob *start);
- int able_to_steal_width (void);
- int need_to_steal_width (void);
- int can_distribute_fairly (void);
- void utilize_round_off (void);
- int will_wrap_text (int i, text_glob *start);
- int next_line_on_left_column (int i, text_glob *start);
- void remove_table_column (int i);
- void remove_unnecessary_unused (text_glob *start);
- int is_small_table (int lines, struct text_defn *last_guess,
- struct text_defn *words_1, struct text_defn *cols_1,
- struct text_defn *words_2, struct text_defn *cols_2,
- int *limit, int *limit_1);
- int is_column_subset (struct text_defn *cols_1, struct text_defn *cols_2);
- int is_appropriate_to_start_table (struct text_defn *cols_1, struct text_defn *cols_2,
- struct text_defn *last_guess);
- int is_a_full_width_column (void);
- int right_most_column (struct text_defn *col);
- int large_enough_gap_for_two (struct text_defn *col);
- void remove_zero_percentage_column (void);
- void translate_to_html (text_glob *g);
- int html_knows_about (char *troff);
- void determine_diacritical_mark (const char *name, const environment *env);
- int sbuf_continuation (unsigned char code, const char *name, const environment *env, int w);
- char *remove_last_char_from_sbuf ();
- const char *check_diacritical_combination (unsigned char code, const char *name);
- int seen_backwards_escape (char *s, int l);
- int should_defer_table (int lines, struct text_glob *start, struct text_defn *cols_1);
- int is_new_exact_right (struct text_defn *last_guess, struct text_defn *last_cols, struct text_defn *next_cols);
- void issue_left_paragraph (void);
- void adjust_margin_percentages (void);
- int total_percentages (void);
- int get_left (void);
- void can_loose_column (text_glob *start, struct text_defn *last_guess, int limit);
- int check_lack_of_hits (struct text_defn *next_guess, struct text_defn *last_guess, text_glob *start, int limit);
- int is_in_table (void);
-
- // ADD HERE
-
-public:
- html_printer();
- ~html_printer();
- void set_char(int i, font *f, const environment *env, int w, const char *name);
- void draw(int code, int *p, int np, const environment *env);
- void begin_page(int);
- void end_page(int);
- void special(char *arg, const environment *env, char type);
- font *make_font(const char *);
- void end_of_line();
-};
-
-html_printer::html_printer()
-: html(0, MAX_LINE_LENGTH),
- troff(0, MAX_LINE_LENGTH),
- no_of_printed_pages(0),
- sbuf_len(0),
- sbuf_dmark_hpos(-1),
- output_hpos(-1),
- output_vpos(-1),
- line_thickness(-1),
- fill(FILL_MAX + 1),
- inside_font_style(0),
- page_number(0),
- header_indent(-1),
- left_margin_indent(0),
- right_margin_indent(0),
- need_one_newline(0),
- issued_newline(0),
- image_number(0),
- graphic_level(0),
- supress_sub_sup(TRUE),
- start_region_vpos(0),
- start_region_hpos(0),
- end_region_vpos(0),
- end_region_hpos(0),
- cutoff_heading(100)
-{
- tempfp = xtmpfile();
- html.set_file(tempfp);
- if (linewidth < 0)
- linewidth = DEFAULT_LINEWIDTH;
- if (font::hor != 1)
- fatal("horizontal resolution must be 1");
- if (font::vert != 1)
- fatal("vertical resolution must be 1");
-#if 0
- // should be sorted html..
- if (font::res % (font::sizescale*72) != 0)
- fatal("res must be a multiple of 72*sizescale");
-#endif
- int r = font::res;
- int point = 0;
- while (r % 10 == 0) {
- r /= 10;
- point++;
- }
- res = r;
- html.set_fixed_point(point);
- space_char_index = font::name_to_index("space");
- paper_length = font::paperlength;
- if (paper_length == 0)
- paper_length = 11*font::res;
- page_contents = new page;
-
- postscript_res = 72000;
- current_paragraph = new html_paragraph(FALSE, FALSE, left_alignment, 0);
-}
-
-/*
- * add_char_to_sbuf - adds a single character to the sbuf.
- */
-
-void html_printer::add_char_to_sbuf (unsigned char code)
-{
- if (sbuf_len < SBUF_SIZE) {
- sbuf[sbuf_len] = code;
- sbuf_len++;
- } else {
- fatal("need to increase SBUF_SIZE");
- }
-}
-
-/*
- * add_to_sbuf - adds character code or name to the sbuf.
- * It escapes \ with \\
- * We need to preserve the name of characters if they exist
- * because we may need to send this character to two different
- * devices: html and postscript.
- */
-
-void html_printer::add_to_sbuf (char code, const char *name)
-{
- if (name == 0) {
- if (code == '\\') {
- add_char_to_sbuf('\\');
- }
- add_char_to_sbuf(code);
- } else {
- int l=strlen(name);
- int i=0;
-
- add_char_to_sbuf('\\');
- add_char_to_sbuf('(');
- while (ihpos) || (sbuf_dmark_hpos == env->hpos)) {
- name = check_diacritical_combination(code, name);
- add_to_sbuf(code, name);
- determine_diacritical_mark(name, env);
- sbuf_end_hpos += w + sbuf_kern;
- return( TRUE );
- } else {
- if ((sbuf_len < SBUF_SIZE-1) && (env->hpos >= sbuf_end_hpos) &&
- ((sbuf_kern == 0) || (sbuf_end_hpos - sbuf_kern != env->hpos))) {
- /*
- * lets see whether a space is needed or not
- */
- int space_width = sbuf_style.f->get_space_width(sbuf_style.point_size);
-
- if (env->hpos-sbuf_end_hpos < space_width) {
- name = check_diacritical_combination(code, name);
- add_to_sbuf(code, name);
- determine_diacritical_mark(name, env);
- sbuf_end_hpos = env->hpos + w;
- return( TRUE );
- }
- } else if ((sbuf_len > 0) && (sbuf_dmark_hpos)) {
- /*
- * check whether the diacritical mark is on the same character
- */
- int space_width = sbuf_style.f->get_space_width(sbuf_style.point_size);
-
- if (abs(sbuf_dmark_hpos-env->hpos) < space_width) {
- name = check_diacritical_combination(code, name);
- add_to_sbuf(code, name);
- determine_diacritical_mark(name, env);
- sbuf_end_hpos = env->hpos + w;
- return( TRUE );
- }
- }
- }
- return( FALSE );
-}
-
-/*
- * seen_backwards_escape - returns TRUE if we can see a escape at position i..l in s
- */
-
-int html_printer::seen_backwards_escape (char *s, int l)
-{
- /*
- * this is tricky so it is broken into components for clarity
- * (we let the compiler put in all back into a complex expression)
- */
- if ((l>0) && (sbuf[l] == '(') && (sbuf[l-1] == '\\')) {
- /*
- * ok seen '\(' but we must now check for '\\('
- */
- if ((l>1) && (sbuf[l-2] == '\\')) {
- /*
- * escaped the escape
- */
- return( FALSE );
- } else {
- return( TRUE );
- }
- } else {
- return( FALSE );
- }
-}
-
-/*
- * reverse - return reversed string.
- */
-
-char *reverse (char *s)
-{
- int i=0;
- int j=strlen(s)-1;
- char t;
-
- while (i0) {
- l--;
- if ((sbuf[l] == ')') && (l>0) && (sbuf[l-1] == '\\')) {
- /*
- * found terminating escape
- */
- int i=0;
-
- l -= 2;
- while ((l>0) && (! seen_backwards_escape(sbuf, l))) {
- if (sbuf[l] == '\\') {
- if (sbuf[l-1] == '\\') {
- last[i] = sbuf[l];
- i++;
- l--;
- }
- } else {
- last[i] = sbuf[l];
- i++;
- }
- l--;
- }
- last[i] = (char)0;
- sbuf_len = l;
- if (seen_backwards_escape(sbuf, l)) {
- sbuf_len--;
- }
- return( reverse(last) );
- } else {
- if ((sbuf[l] == '\\') && (l>0) && (sbuf[l-1] == '\\')) {
- l -= 2;
- sbuf_len = l;
- return( "\\" );
- } else {
- sbuf_len--;
- last[0] = sbuf[sbuf_len];
- last[1] = (char)0;
- return( last );
- }
- }
- } else {
- return( NULL );
- }
-}
-
-/*
- * check_diacriticial_combination - checks to see whether the character code
- * if combined with the previous diacriticial mark
- * forms a new character.
- */
-
-const char *html_printer::check_diacritical_combination (unsigned char code, const char *name)
-{
- static char troff_char[2];
-
- if ((name == 0) && (sbuf_dmark_hpos >= 0)) {
- // last character was a diacritical mark
- char *last = remove_last_char_from_sbuf();
-
- int i=0;
- int j;
-
- while (diacritical_table[i].mark != NULL) {
- if (strcmp(diacritical_table[i].mark, last) == 0) {
- j=0;
- while ((diacritical_table[i].second_troff_char[j] != (char)0) &&
- (diacritical_table[i].second_troff_char[j] != code)) {
- j++;
- }
- if (diacritical_table[i].second_troff_char[j] == code) {
- troff_char[0] = diacritical_table[i].translation;
- troff_char[1] = code;
- troff_char[2] = (char)0;
- return( troff_char );
- }
- }
- i++;
- }
- add_to_sbuf(last[0], last);
- }
- return( name );
-}
-
-/*
- * determine_diacritical_mark - if name is a diacriticial mark the record the position.
- * --fixme-- is there a better way of doing this
- * this must be done in troff somewhere.
- */
-
-void html_printer::determine_diacritical_mark (const char *name, const environment *env)
-{
- if (name != 0) {
- int i=0;
-
- while (diacritical_table[i].mark != NULL) {
- if (strcmp(name, diacritical_table[i].mark) == 0) {
- sbuf_dmark_hpos = env->hpos;
- return;
- }
- i++;
- }
- }
- sbuf_dmark_hpos = -1;
-}
-
-/*
- * set_char - adds a character into the sbuf if it is a continuation with the previous
- * word otherwise flush the current sbuf and add character anew.
- */
-
-void html_printer::set_char(int i, font *f, const environment *env, int w, const char *name)
-{
- unsigned char code = f->get_code(i);
-
-#if 0
- if (code == ' ') {
- stop();
- }
-#endif
- style sty(f, env->size, env->height, env->slant, env->fontno);
- if (sty.slant != 0) {
- if (sty.slant > 80 || sty.slant < -80) {
- error("silly slant `%1' degrees", sty.slant);
- sty.slant = 0;
- }
- }
- if ((name != 0) && (page_contents->is_in_graphic)) {
- flush_sbuf();
- int r=font::res; // resolution of the device
- page_contents->add_special_char(&sty, (char *)name, strlen(name),
- env->vpos-sty.point_size*r/72, env->hpos,
- env->vpos , env->hpos+w);
- sbuf_end_hpos = env->hpos + w;
- sbuf_start_hpos = env->hpos;
- sbuf_vpos = env->vpos;
- sbuf_style = sty;
- sbuf_kern = 0;
- } else {
- if ((sbuf_len > 0) && (sbuf_len < SBUF_SIZE) && (sty == sbuf_style) &&
- (sbuf_vpos == env->vpos) && (sbuf_continuation(code, name, env, w))) {
- return;
- } else {
- flush_sbuf();
- sbuf_len = 0;
- add_to_sbuf(code, name);
- determine_diacritical_mark(name, env);
- sbuf_end_hpos = env->hpos + w;
- sbuf_start_hpos = env->hpos;
- sbuf_vpos = env->vpos;
- sbuf_style = sty;
- sbuf_kern = 0;
- }
- }
-}
-
-/*
- * file_name_max - return the maximum file-name length permitted
- * by the underlying filesystem.
- *
- * (Code shamelessly stolen from indxbib/dirnamemax.c.)
- */
-
-static size_t
-file_name_max (const char *fname)
-{
-#ifdef _POSIX_VERSION
- return pathconf (fname, _PC_NAME_MAX);
-#else
- return NAME_MAX;
-#endif
-}
-
-
-/*
- * make_new_image_name - creates a new file name ready for a image file.
- */
-
-void html_printer::make_new_image_name (void)
-{
- image_number++;
-
- if ((current_filename == 0) ||
- (strcmp(current_filename, "") == 0) ||
- (strcmp(current_filename, "-") == 0) ||
- (strcspn(current_filename, DIR_SEPS) < strlen(current_filename))) {
- if (file_name_max(".") > 14)
- sprintf(image_name, "groff-html-%d-%ld", image_number, (long)getpid());
- else
- // The "-gh" part might be truncated on MS-DOS, but there's enough
- // space for the PID and up to 99 image numbers. That's why "-gh"
- // comes last.
- sprintf(image_name, "%d-%ld-gh", image_number, (long)getpid());
- } else if (file_name_max(".") > 14) {
- sprintf(image_name, "%s-%d-%ld", current_filename, image_number, (long)getpid());
- } else { // see the commentary above
- sprintf(image_name, "%d-%ld-%s",
- image_number, (long)getpid(), current_filename);
- // Make sure image_name does not have a dot in its trunk, since
- // convert_to_image will append .gif or .png to it, and DOS doesn't
- // allow more than a single dot in a file name.
- int i = strlen(image_name);
- for ( ; i > 0; i--) {
- if (strchr(DIR_SEPS, image_name[i - 1]))
- break;
- if (image_name[i - 1] == '.') {
- image_name[i - 1] = '\0';
- break;
- }
- }
- }
-}
-
-/*
- * write_title - writes the title to this document
- */
-
-void html_printer::write_title (int in_head)
-{
- if (title.has_been_found) {
- if (in_head) {
- html.put_string("");
- html.put_string(title.text);
- html.put_string("\n");
- } else {
- title.has_been_written = TRUE;
- html.put_string("");
- html.put_string(title.text);
- html.put_string("
\n");
- }
- }
-}
-
-/*
- * get_html_translation - given the position of the character and its name
- * return the device encoding for such character.
- */
-
-char *get_html_translation (font *f, char *name)
-{
- int index;
-
- if ((f == 0) || (name == 0) || (strcmp(name, "") == 0)) {
- return( NULL );
- } else {
- index = f->name_to_index(name);
- if (index == 0) {
- error("character `%s' not found", name);
- return( NULL );
- } else {
- return( (char *)f->get_special_device_encoding(index) );
- }
- }
-}
-
-/*
- * char_translate_to_html - convert a single non escaped character
- * into the appropriate html character.
- */
-
-int char_translate_to_html (font *f, char *buf, int buflen, char ch, int b, int and_single)
-{
- if (and_single) {
- int t, l;
- char *translation;
- char name[2];
-
- name[0] = ch;
- name[1] = (char)0;
- translation = get_html_translation(f, name);
- if (translation) {
- l = strlen(translation);
- t = max(0, min(l, buflen-b));
- strncpy(&buf[b], translation, t);
- b += t;
- } else {
- if (b & etc.
- */
-
-void str_translate_to_html (font *f, char *buf, int buflen, char *str, int len, int and_single)
-{
- char *translation;
- int e;
- char escaped_char[MAX_STRING_LENGTH];
- int l;
- int i=0;
- int b=0;
- int t=0;
-
-#if 0
- if (strcmp(str, "``@,;:\\\\()[]''") == 0) {
- stop();
- }
-#endif
- while (str[i] != (char)0) {
- if ((str[i]=='\\') && (i+1 0) {
- translation = get_html_translation(f, escaped_char);
- if (translation) {
- l = strlen(translation);
- t = max(0, min(l, buflen-b));
- strncpy(&buf[b], translation, t);
- b += t;
- } else {
- int index=f->name_to_index(escaped_char);
-
- if (index != 0) {
- buf[b] = f->get_code(index);
- b++;
- }
- }
- }
- } else {
- b = char_translate_to_html(f, buf, buflen, str[i], b, and_single);
- i++;
- }
- } else {
- b = char_translate_to_html(f, buf, buflen, str[i], b, and_single);
- i++;
- }
- }
- buf[min(b, buflen)] = (char)0;
-}
-
-/*
- * find_title - finds a title to this document, if it exists.
- */
-
-void html_printer::find_title (void)
-{
- text_glob *t;
- int r=font::res;
- int removed_from_head;
- char buf[MAX_STRING_LENGTH];
-
- if ((page_number == 1) && (guess_on)) {
- if (! page_contents->words.is_empty()) {
-
- int end_title_hpos = 0;
- int start_title_vpos = 0;
- int found_title_start = FALSE;
- int height = 0;
- int start_region =-1;
-
- if (! page_contents->regions.is_empty()) {
- region_glob *r;
-
- page_contents->regions.start_from_head();
- r = page_contents->regions.get_data();
- if (r->minv > 0) {
- start_region = r->minv;
- }
- }
-
- page_contents->words.start_from_head();
- do {
- t = page_contents->words.get_data();
- removed_from_head = FALSE;
- if ((found_title_start) && (start_region != -1) && (t->maxv >= start_region)) {
- /*
- * we have just encountered the first graphic region so
- * we stop looking for a title.
- */
- title.has_been_found = TRUE;
- return;
- } else if (t->is_raw_command) {
- // skip raw commands
- page_contents->words.move_right(); // move onto next word
- } else if ((!found_title_start) && (t->minh > left_margin_indent) &&
- ((start_region == -1) || (t->maxv < start_region))) {
- start_title_vpos = t->minv;
- end_title_hpos = t->minh;
- str_translate_to_html(t->text_style.f, buf, MAX_STRING_LENGTH, t->text_string, t->text_length, TRUE);
- strcpy((char *)title.text, buf);
- height = t->text_style.point_size*r/72;
- found_title_start = TRUE;
- page_contents->words.sub_move_right();
- removed_from_head = ((!page_contents->words.is_empty()) &&
- (page_contents->words.is_equal_to_head()));
- } else if (found_title_start) {
- if ((t->minv == start_title_vpos) ||
- ((!more_than_line_break(start_title_vpos, t->minv, (height*3)/2)) &&
- (t->minh > left_margin_indent)) ||
- (is_bold(t) && (t->minh > left_margin_indent))) {
- start_title_vpos = min(t->minv, start_title_vpos);
- end_title_hpos = max(t->maxh, end_title_hpos);
- strcat(title.text, " ");
- str_translate_to_html(t->text_style.f, buf, MAX_STRING_LENGTH, t->text_string, t->text_length, TRUE);
- strcat(title.text, buf);
- page_contents->words.sub_move_right();
- removed_from_head = ((!page_contents->words.is_empty()) &&
- (page_contents->words.is_equal_to_head()));
- } else {
- // end of title
- title.has_been_found = TRUE;
- return;
- }
- } else if (t->minh <= left_margin_indent) {
- // no margin exists
- return;
- } else {
- // move onto next word
- page_contents->words.move_right();
- }
- } while ((! page_contents->words.is_equal_to_head()) || (removed_from_head));
- }
- }
-}
-
-/*
- * html_newline - generates a newline
- */
-
-void html_printer::html_newline (void)
-{
- int r = font::res;
- int height = output_style.point_size*r/72;
-
- if (current_paragraph->in_paragraph) {
- // safe to generate a pretty newline
- html.put_string("
\n");
- } else {
- html.put_string("
");
- }
- output_vpos += height;
- issued_newline = TRUE;
-}
-
-/*
- * issue_left_paragraph - emits a left paragraph together with appropriate
- * margin if header_indent is < left_margin_indent.
- */
-
-void html_printer::issue_left_paragraph (void)
-{
- if ((header_indent < left_margin_indent) && (! using_table_for_indent())) {
- html.put_string("");
- } else {
- html.put_string("
");
- }
-}
-
-/*
- * force_begin_paragraph - force the begin_paragraph to be emitted.
- */
-
-void html_printer::force_begin_paragraph (void)
-{
- if (current_paragraph->in_paragraph && current_paragraph->need_paragraph) {
- switch (current_paragraph->para_type) {
-
- case left_alignment: issue_left_paragraph();
- break;
- case center_alignment: html.put_string("
");
- break;
- default: fatal("unknown paragraph alignment type");
- }
- current_paragraph->need_paragraph = FALSE;
- }
-}
-
-/*
- * begin_paragraph - starts a new paragraph. It does nothing if a paragraph
- * has already been started.
- */
-
-void html_printer::begin_paragraph (paragraph_type p)
-{
- if (! current_paragraph->in_paragraph) {
- int r = font::res;
- int height = output_style.point_size*r/72;
-
- if (output_vpos >=0) {
- // we leave it alone if it is set to the top of page
- output_vpos += height;
- }
- current_paragraph->need_paragraph = TRUE; // delay the
just in case we don't actually emit text
- current_paragraph->in_paragraph = TRUE;
- current_paragraph->para_type = p;
- issued_newline = TRUE;
- }
-}
-
-
-/*
- * begin_paragraph_no_height - starts a new paragraph. It does nothing if a paragraph
- * has already been started. Note it does not alter output_vpos.
- */
-
-void html_printer::begin_paragraph_no_height (paragraph_type p)
-{
- if (! current_paragraph->in_paragraph) {
- current_paragraph->need_paragraph = TRUE; // delay the
just in case we don't actually emit text
- current_paragraph->in_paragraph = TRUE;
- current_paragraph->para_type = p;
- issued_newline = TRUE;
- }
-}
-
-/*
- * end_paragraph - end the current paragraph. It does nothing if a paragraph
- * has not been started.
- */
-
-void html_printer::end_paragraph (void)
-{
- if (current_paragraph->in_paragraph) {
- // check whether we have generated any text inbetween the potential paragraph begin end
- if (! current_paragraph->need_paragraph) {
- int r = font::res;
- int height = output_style.point_size*r/72;
-
- output_vpos += height;
- terminate_current_font();
- html.put_string("
\n");
- } else {
- terminate_current_font();
- }
- current_paragraph->para_type = left_alignment;
- current_paragraph->in_paragraph = FALSE;
- }
-}
-
-/*
- * save_paragraph - saves the current paragraph state and
- * creates new paragraph state.
- */
-
-void html_printer::save_paragraph (void)
-{
- if (current_paragraph == 0) {
- fatal("current_paragraph is NULL");
- }
- current_paragraph = new html_paragraph(current_paragraph->in_paragraph,
- current_paragraph->need_paragraph,
- current_paragraph->para_type,
- current_paragraph);
- terminate_current_font();
-}
-
-/*
- * restore_paragraph - restores the previous paragraph state.
- */
-
-void html_printer::restore_paragraph (void)
-{
- html_paragraph *old = current_paragraph;
-
- current_paragraph = current_paragraph->previous;
- free(old);
-}
-
-/*
- * calculate_margin - runs through the words and graphics globs
- * and finds the start of the left most margin.
- */
-
-void html_printer::calculate_margin (void)
-{
- text_glob *w;
- graphic_glob *g;
-
- // remove margin
-
- right_margin_indent = 0;
-
- if (! page_contents->words.is_empty()) {
-
- // firstly check the words to determine the right margin
-
- page_contents->words.start_from_head();
- do {
- w = page_contents->words.get_data();
- if ((w->maxh >= 0) && (w->maxh > right_margin_indent)) {
- right_margin_indent = w->maxh;
-#if 0
- if (right_margin_indent == 758) stop();
-#endif
- }
- page_contents->words.move_right();
- } while (! page_contents->words.is_equal_to_head());
-
- /*
- * only examine graphics if no words present
- */
- if (! page_contents->lines.is_empty()) {
- // now check for diagrams for right margin
- page_contents->lines.start_from_head();
- do {
- g = page_contents->lines.get_data();
- if ((g->maxh >= 0) && (g->maxh > right_margin_indent)) {
- right_margin_indent = g->maxh;
-#if 0
- if (right_margin_indent == 950) stop();
-#endif
- }
- page_contents->lines.move_right();
- } while (! page_contents->lines.is_equal_to_head());
- }
-
-
- /*
- * now we know the right margin lets do the same to find left margin
- */
-
- if (header_indent == -1) {
- header_indent = right_margin_indent;
- }
- left_margin_indent = right_margin_indent;
-
- if (! page_contents->words.is_empty()) {
- do {
- w = page_contents->words.get_data();
- if ((w->minh >= 0) && (w->minh < left_margin_indent)) {
- if (! is_a_header(w) && (! w->is_raw_command)) {
- left_margin_indent = w->minh;
- }
- }
- page_contents->words.move_right();
- } while (! page_contents->words.is_equal_to_head());
- }
-
- /*
- * only examine graphic for margins if text yields nothing
- */
-
- if (! page_contents->lines.is_empty()) {
- // now check for diagrams
- page_contents->lines.start_from_head();
- do {
- g = page_contents->lines.get_data();
- if ((g->minh >= 0) && (g->minh < left_margin_indent)) {
- left_margin_indent = g->minh;
- }
- page_contents->lines.move_right();
- } while (! page_contents->lines.is_equal_to_head());
- }
- }
-}
-
-/*
- * calculate_region - runs through the graphics globs and text globs
- * and ensures that all graphic routines
- * are defined by the region lists.
- * This then allows us to easily
- * determine the range of vertical and
- * horizontal boundaries for pictures,
- * tbl's and eqn's.
- *
- */
-
-void page::calculate_region (void)
-{
- graphic_glob *g;
-
- if (! lines.is_empty()) {
- lines.start_from_head();
- do {
- g = lines.get_data();
- if (! is_in_region(g)) {
- if (! can_grow_region(g)) {
- make_new_region(g);
- }
- }
- lines.move_right();
- } while (! lines.is_equal_to_head());
- }
-}
-
-/*
- * remove_redundant_regions - runs through the regions and ensures that
- * all are needed. This is required as
- * a picture may be empty, or EQ EN pair
- * maybe empty.
- */
-
-void html_printer::remove_redundant_regions (void)
-{
- region_glob *r;
-
- // firstly run through the region making sure that all are needed
- // ie all contain a line or word
- if (! page_contents->regions.is_empty()) {
- page_contents->regions.start_from_tail();
- do {
- r = page_contents->regions.get_data();
- calculate_region_margins(r);
- if (page_contents->has_line(r) || page_contents->has_word(r)) {
- page_contents->regions.move_right();
- } else {
- page_contents->regions.sub_move_right();
- }
- } while ((! page_contents->regions.is_empty()) &&
- (! page_contents->regions.is_equal_to_tail()));
- }
-}
-
-void html_printer::display_regions (void)
-{
- if (debug_table_on) {
- region_glob *r;
-
- fprintf(stderr, "==========s t a r t===========\n");
- if (! page_contents->regions.is_empty()) {
- page_contents->regions.start_from_head();
- do {
- r = page_contents->regions.get_data();
- fprintf(stderr, "region minv %d maxv %d\n", r->minv, r->maxv);
- page_contents->regions.move_right();
- } while (! page_contents->regions.is_equal_to_head());
- }
- fprintf(stderr, "============e n d=============\n");
- fflush(stderr);
- }
-}
-
-/*
- * remove_duplicate_regions - runs through the regions and ensures that
- * no duplicates exist.
- */
-
-void html_printer::remove_duplicate_regions (void)
-{
- region_glob *r;
- region_glob *l=0;
-
- if (! page_contents->regions.is_empty()) {
- page_contents->regions.start_from_head();
- l = page_contents->regions.get_data();
- page_contents->regions.move_right();
- r = page_contents->regions.get_data();
- if (l != r) {
- do {
- r = page_contents->regions.get_data();
- // we have a legit region so we check for an intersection
- if (is_intersection(r->minv, r->minv, l->minv, l->maxv) &&
- is_intersection(r->minh, r->maxh, l->minh, l->maxh)) {
- l->minv = min(r->minv, l->minv);
- l->maxv = max(r->maxv, l->maxv);
- l->minh = min(r->minh, l->minh);
- l->maxh = max(r->maxh, l->maxh);
- calculate_region_margins(l);
- page_contents->regions.sub_move_right();
- } else {
- l = r;
- page_contents->regions.move_right();
- }
- } while ((! page_contents->regions.is_empty()) &&
- (! page_contents->regions.is_equal_to_head()));
- }
- }
-}
-
-int page::has_line (region_glob *r)
-{
- graphic_glob *g;
-
- if (! lines.is_empty()) {
- lines.start_from_head();
- do {
- g = lines.get_data();
- if (is_subsection(g->minv, g->maxv, r->minv, r->maxv) &&
- is_subsection(g->minh, g->maxh, r->minh, r->maxh)) {
- return( TRUE );
- }
- lines.move_right();
- } while (! lines.is_equal_to_head());
- }
- return( FALSE );
-}
-
-
-int page::has_word (region_glob *r)
-{
- text_glob *g;
-
- if (! words.is_empty()) {
- words.start_from_head();
- do {
- g = words.get_data();
- if (is_subsection(g->minv, g->maxv, r->minv, r->maxv) &&
- is_subsection(g->minh, g->maxh, r->minh, r->maxh)) {
- return( TRUE );
- }
- words.move_right();
- } while (! words.is_equal_to_head());
- }
- return( FALSE );
-}
-
-
-void html_printer::calculate_region_margins (region_glob *r)
-{
- text_glob *w;
- graphic_glob *g;
-
- r->minh = right_margin_indent;
- r->maxh = left_margin_indent;
-
- if (! page_contents->lines.is_empty()) {
- page_contents->lines.start_from_head();
- do {
- g = page_contents->lines.get_data();
- if (is_subsection(g->minv, g->maxv, r->minv, r->maxv)) {
- r->minh = min(r->minh, g->minh);
- r->maxh = max(r->maxh, g->maxh);
- }
- page_contents->lines.move_right();
- } while (! page_contents->lines.is_equal_to_head());
- }
- if (! page_contents->words.is_empty()) {
- page_contents->words.start_from_head();
- do {
- w = page_contents->words.get_data();
- if (is_subsection(w->minv, w->maxv, r->minv, r->maxv)) {
- r->minh = min(r->minh, w->minh);
- r->maxh = max(r->maxh, w->maxh);
- }
- page_contents->words.move_right();
- } while (! page_contents->words.is_equal_to_head());
- }
-}
-
-
-int page::is_in_region (graphic_glob *g)
-{
- region_glob *r;
-
- if (! regions.is_empty()) {
- regions.start_from_head();
- do {
- r = regions.get_data();
- if (is_subsection(g->minv, g->maxv, r->minv, r->maxv) &&
- is_subsection(g->minh, g->maxh, r->minh, r->maxh)) {
- return( TRUE );
- }
- regions.move_right();
- } while (! regions.is_equal_to_head());
- }
- return( FALSE );
-}
-
-
-/*
- * no_raw_commands - returns TRUE if no html raw commands exist between
- * minv and maxv.
- */
-
-int page::no_raw_commands (int minv, int maxv)
-{
- text_glob *g;
-
- if (! words.is_empty()) {
- words.start_from_head();
- do {
- g = words.get_data();
- if ((g->is_raw_command) && (g->is_html_command) &&
- (is_intersection(g->minv, g->maxv, minv, maxv))) {
- return( FALSE );
- }
- words.move_right();
- } while (! words.is_equal_to_head());
- }
- return( TRUE );
-}
-
-/*
- * can_grow_region - returns TRUE if a region exists which can be extended
- * to include graphic_glob *g. The region is extended.
- */
-
-int page::can_grow_region (graphic_glob *g)
-{
- region_glob *r;
- int quarter_inch=font::res/4;
-
- if (! regions.is_empty()) {
- regions.start_from_head();
- do {
- r = regions.get_data();
- // must prevent grohtml from growing a region through a html raw command
- if (is_intersection(g->minv, g->maxv, r->minv, r->maxv+quarter_inch) &&
- (no_raw_commands(r->minv, r->maxv+quarter_inch))) {
-#if defined(DEBUGGING)
- stop();
- printf("r minh=%d minv=%d maxh=%d maxv=%d\n",
- r->minh, r->minv, r->maxh, r->maxv);
- printf("g minh=%d minv=%d maxh=%d maxv=%d\n",
- g->minh, g->minv, g->maxh, g->maxv);
-#endif
- r->minv = min(r->minv, g->minv);
- r->maxv = max(r->maxv, g->maxv);
- r->minh = min(r->minh, g->minh);
- r->maxh = max(r->maxh, g->maxh);
-#if defined(DEBUGGING)
- printf(" r minh=%d minv=%d maxh=%d maxv=%d\n",
- r->minh, r->minv, r->maxh, r->maxv);
-#endif
- return( TRUE );
- }
- regions.move_right();
- } while (! regions.is_equal_to_head());
- }
- return( FALSE );
-}
-
-
-/*
- * make_new_region - creates a new region to contain, g.
- */
-
-void page::make_new_region (graphic_glob *g)
-{
- region_glob *r=new region_glob;
-
- r->minv = g->minv;
- r->maxv = g->maxv;
- r->minh = g->minh;
- r->maxv = g->maxv;
- regions.add(r);
-}
-
-
-void html_printer::dump_page(void)
-{
- text_glob *g;
-
- printf("\n\ndebugging start\n");
- page_contents->words.start_from_head();
- do {
- g = page_contents->words.get_data();
- printf("%s ", g->text_string);
- page_contents->words.move_right();
- } while (! page_contents->words.is_equal_to_head());
- printf("\ndebugging end\n\n");
-}
-
-
-/*
- * traverse_page_regions - runs through the regions in current_page
- * and generate html for text, and troff output
- * for all graphics.
- */
-
-void html_printer::traverse_page_regions (void)
-{
- region_glob *r;
-
- start_region_vpos = 0;
- start_region_hpos = 0;
- end_region_vpos = -1;
- end_region_hpos = -1;
-
- if (! page_contents->regions.is_empty()) {
- page_contents->regions.start_from_head();
- do {
- r = page_contents->regions.get_data();
- if (r->minv > 0) {
- end_region_vpos = r->minv-1;
- } else {
- end_region_vpos = 0;
- }
- end_region_hpos = -1;
- display_globs(TRUE);
- calculate_region_margins(r);
- start_region_vpos = end_region_vpos;
- end_region_vpos = r->maxv;
- start_region_hpos = r->minh;
- end_region_hpos = r->maxh;
- display_globs(FALSE);
- start_region_vpos = end_region_vpos+1;
- start_region_hpos = 0;
- page_contents->regions.move_right();
- } while (! page_contents->regions.is_equal_to_head());
- start_region_vpos = end_region_vpos+1;
- start_region_hpos = 0;
- end_region_vpos = -1;
- end_region_hpos = -1;
- }
- display_globs(TRUE);
-}
-
-int html_printer::is_within_region (text_glob *t)
-{
- int he, ve, hs;
-
- if (start_region_hpos == -1) {
- hs = t->minh;
- } else {
- hs = start_region_hpos;
- }
- if (end_region_vpos == -1) {
- ve = t->maxv;
- } else {
- ve = end_region_vpos;
- }
- if (end_region_hpos == -1) {
- he = t->maxh;
- } else {
- he = end_region_hpos;
- }
- return( is_subsection(t->minv, t->maxv, start_region_vpos, ve) &&
- is_subsection(t->minh, t->maxh, hs, he) );
-}
-
-int html_printer::is_within_region (graphic_glob *g)
-{
- int he, ve, hs;
-
- if (start_region_hpos == -1) {
- hs = g->minh;
- } else {
- hs = start_region_hpos;
- }
- if (end_region_vpos == -1) {
- ve = g->maxv;
- } else {
- ve = end_region_vpos;
- }
- if (end_region_hpos == -1) {
- he = g->maxh;
- } else {
- he = end_region_hpos;
- }
- return( is_subsection(g->minv, g->maxv, start_region_vpos, ve) &&
- is_subsection(g->minh, g->maxh, hs, he) );
-}
-
-int html_printer::is_less (graphic_glob *g, text_glob *t)
-{
- return( (g->minv < t->minv) || ((g->minv == t->minv) && (g->minh < t->minh)) );
-}
-
-void html_printer::convert_to_image (char *troff_src, char *image_name)
-{
- char buffer[MAX_STRING_LENGTH*2 + 200];
- char *ps_src = mktemp(xtmptemplate("-ps-"));
-
- sprintf(buffer, "grops%s %s > %s", EXE_EXT, troff_src, ps_src);
- if (debug_on) {
- fprintf(stderr, "%s\n", buffer);
- }
- int status = system(buffer);
- if (status == -1) {
- fprintf(stderr, "\"%s\" failed (no grops on PATH?)\n", buffer);
- return;
- }
- else if (status) {
- fprintf(stderr, "\"%s\" returned status %d\n", buffer, status);
- }
-
- if (image_type == gif) {
- sprintf(buffer,
- "echo showpage | gs%s -q -dSAFER -sDEVICE=ppmraw -r%d -g%dx%d -sOutputFile=- %s - | ppmquant%s 256 | ppmtogif%s > %s.gif",
- EXE_EXT, image_res,
- (end_region_hpos-start_region_hpos)*image_res/font::res+IMAGE_BOARDER_PIXELS,
- (end_region_vpos-start_region_vpos)*image_res/font::res+IMAGE_BOARDER_PIXELS,
- ps_src, EXE_EXT, EXE_EXT, image_name);
- } else {
- sprintf(buffer,
- "echo showpage | gs%s -q -dSAFER -sDEVICE=%s -r%d -g%dx%d -sOutputFile=- %s - > %s.png",
- EXE_EXT, image_device,
- image_res,
- (end_region_hpos-start_region_hpos)*image_res/font::res+IMAGE_BOARDER_PIXELS,
- (end_region_vpos-start_region_vpos)*image_res/font::res+IMAGE_BOARDER_PIXELS,
- ps_src, image_name);
-#if 0
- sprintf(buffer,
- "echo showpage | gs -q -dSAFER -sDEVICE=ppmraw -r%d -g%dx%d -sOutputFile=- %s.ps - > %s.pnm ; pnmtopng -transparent white %s.pnm > %s.png \n",
- /* image_device, */
- image_res,
- (end_region_hpos-start_region_hpos)*image_res/font::res+IMAGE_BOARDER_PIXELS,
- (end_region_vpos-start_region_vpos)*image_res/font::res+IMAGE_BOARDER_PIXELS,
- name, name, name, image_name);
-#endif
- }
- if (debug_on) {
- fprintf(stderr, "%s\n", buffer);
- }
- // Redirect standard error to the null device. This is more
- // portable than using "2> /dev/null" inside the commands above,
- // since it doesn't require a Unixy shell.
- int save_stderr = dup(2);
- if (save_stderr > 2) {
- int fdnull = open(NULL_DEV, O_WRONLY|O_BINARY, 0666);
- if (fdnull > 2)
- dup2(fdnull, 2);
- if (fdnull >= 0)
- close(fdnull);
- }
- status = system(buffer);
- dup2(save_stderr, 2);
- if (status == -1) {
- fprintf(stderr,
- "Conversion to image failed (no gs/ppmquant/ppmtogif on PATH?)\n");
- }
- else if (status) {
- fprintf(stderr,
- "Conversion to image returned status %d\n", status);
- }
- unlink(ps_src);
- unlink(troff_src);
-}
-
-void html_printer::prologue (void)
-{
- troff.put_string("x T ps\nx res ");
- troff.put_number(postscript_res);
- troff.put_string(" 1 1\nx init\np1\n");
-}
-
-void html_printer::display_globs (int is_to_html)
-{
- text_glob *t=0;
- graphic_glob *g=0;
- FILE *f=0;
- char *troff_src;
- int something=FALSE;
- int is_center=FALSE;
-
- end_paragraph();
-
- if (! is_to_html) {
- is_center = html_position_region();
- make_new_image_name();
- f = xtmpfile(&troff_src, "-troff-", FALSE);
- troff.set_file(f);
- prologue();
- output_style.f = 0;
- }
- if (! page_contents->words.is_empty()) {
- page_contents->words.start_from_head();
- t = page_contents->words.get_data();
- }
-
- if (! page_contents->lines.is_empty()) {
- page_contents->lines.start_from_head();
- g = page_contents->lines.get_data();
- }
-
- do {
-#if 0
- if ((t != 0) && (strcmp(t->text_string, "(1.a)") == 0)) {
- stop();
- }
-#endif
- if ((t == 0) && (g != 0)) {
- if (is_within_region(g)) {
- something = TRUE;
- display_line(g, is_to_html);
- }
- if (page_contents->lines.is_empty() || page_contents->lines.is_equal_to_tail()) {
- g = 0;
- } else {
- g = page_contents->lines.move_right_get_data();
- }
- } else if ((g == 0) && (t != 0)) {
- if (is_within_region(t)) {
- display_word(t, is_to_html);
- something = TRUE;
- }
- if (page_contents->words.is_empty() || page_contents->words.is_equal_to_tail()) {
- t = 0;
- } else {
- t = page_contents->words.move_right_get_data();
- }
- } else {
- if ((g == 0) || (t == 0)) {
- // hmm nothing to print out...
- } else if (is_less(g, t)) {
- if (is_within_region(g)) {
- display_line(g, is_to_html);
- something = TRUE;
- }
- if (page_contents->lines.is_empty() || page_contents->lines.is_equal_to_tail()) {
- g = 0;
- } else {
- g = page_contents->lines.move_right_get_data();
- }
- } else {
- if (is_within_region(t)) {
- display_word(t, is_to_html);
- something = TRUE;
- }
- if (page_contents->words.is_empty() || page_contents->words.is_equal_to_tail()) {
- t = 0;
- } else {
- t = page_contents->words.move_right_get_data();
- }
- }
- }
- } while ((t != 0) || (g != 0));
-
- if ((! is_to_html) && (f != 0)) {
- fclose(troff.get_file());
- if (something) {
- convert_to_image(troff_src, image_name);
-
- if (is_center) {
- end_paragraph();
- begin_paragraph(center_alignment);
- force_begin_paragraph();
- }
- html.put_string("
\n");
- html_newline();
- if (is_center) {
- end_paragraph();
- }
-
- output_vpos = end_region_vpos;
- output_hpos = 0;
- need_one_newline = FALSE;
- output_style.f = 0;
- end_paragraph();
- }
- }
-}
-
-void html_printer::flush_page (void)
-{
- calculate_margin();
- output_vpos = -1;
- output_hpos = get_left();
- supress_sub_sup = TRUE;
-#if 0
- dump_page();
-#endif
- html.begin_comment("left margin: ").comment_arg(i_to_a(left_margin_indent)).end_comment();;
- html.begin_comment("right margin: ").comment_arg(i_to_a(right_margin_indent)).end_comment();;
- remove_redundant_regions();
- page_contents->calculate_region();
- remove_duplicate_regions();
- find_title();
- supress_sub_sup = TRUE;
- traverse_page_regions();
- terminate_current_font();
- if (need_one_newline) {
- html_newline();
- }
- end_paragraph();
-
- // move onto a new page
- delete page_contents;
- page_contents = new page;
-}
-
-static int convertSizeToHTML (int size)
-{
- if (size < 6) {
- return( 0 );
- } else if (size < 8) {
- return( 1 );
- } else if (size < 10) {
- return( 2 );
- } else if (size < 12) {
- return( 3 );
- } else if (size < 14) {
- return( 4 );
- } else if (size < 16) {
- return( 5 );
- } else if (size < 18) {
- return( 6 );
- } else {
- return( 7 );
- }
-}
-
-
-void html_printer::write_html_font_face (const char *fontname, const char *left, const char *right)
-{
- switch (fontname[0]) {
-
- case 'C': html.put_string(left) ; html.put_string("tt"); html.put_string(right);
- break;
- case 'H': break;
- case 'T': break;
- default: break;
- }
-}
-
-
-void html_printer::write_html_font_type (const char *fontname, const char *left, const char *right)
-{
- if (strcmp(&fontname[1], "B") == 0) {
- html.put_string(left) ; html.put_string("B"); html.put_string(right);
- } else if (strcmp(&fontname[1], "I") == 0) {
- html.put_string(left) ; html.put_string("I"); html.put_string(right);
- } else if (strcmp(&fontname[1], "BI") == 0) {
- html.put_string(left) ; html.put_string("EM"); html.put_string(right);
- }
-}
-
-
-void html_printer::html_change_font (text_glob *g, const char *fontname, int size)
-{
- char buffer[1024];
-
- if (output_style.f != 0) {
- const char *oldfontname = output_style.f->get_name();
-
- // firstly terminate the current font face and type
- if ((oldfontname != 0) && (oldfontname != fontname)) {
- write_html_font_face(oldfontname, "", ">");
- write_html_font_type(oldfontname, "", ">");
- }
- }
-
- if ((output_style.point_size != size) && (output_style.point_size != 0)) {
- // shutdown the previous font size
- html.put_string("");
- }
-
- if ((output_style.point_size != size) && (size != 0)) {
- // now emit the size if it has changed
- sprintf(buffer, "", convertSizeToHTML(size));
- html.put_string(buffer);
- output_style.point_size = size; // and remember the size
- }
- output_style.f = 0; // no style at present
- output_style.point_size = size; // remember current font size
-
- if (fontname != 0) {
- if (! g->is_raw_command) {
- // now emit the new font
- write_html_font_face(fontname, "<", ">");
-
- // now emit the new font type
- write_html_font_type(fontname, "<", ">");
-
- output_style = g->text_style; // remember style for next time
- }
- }
-}
-
-
-void html_printer::change_font (text_glob *g, int is_to_html)
-{
- if (is_to_html) {
- if (output_style != g->text_style) {
- const char *fontname=0;
- int size=0;
-
- if (g->text_style.f != 0) {
- fontname = g->text_style.f->get_name();
- size = (font::res/(72*font::sizescale))*g->text_style.point_size;
- }
- html_change_font(g, fontname, size);
- }
- } else {
- // is to troff
- if (output_style != g->text_style) {
- if (g->text_style.f != 0) {
- const char *fontname = g->text_style.f->get_name();
- int size = (font::res/(72*font::sizescale))*g->text_style.point_size;
-
- if (fontname == 0) {
- fatal("no internalname specified for font");
- }
-
- troff_change_font(fontname, size, g->text_style.font_no);
- output_style = g->text_style; // remember style for next time
- }
- }
- }
-}
-
-/*
- * is_bold - returns TRUE if the text inside, g, is using a bold face.
- * It returns FALSE is g contains a raw html command, even if this uses
- * a bold font.
- */
-
-int html_printer::is_bold (text_glob *g)
-{
- if (g->text_style.f == 0) {
- // unknown font
- return( FALSE );
- } else if (g->is_raw_command) {
- return( FALSE );
- } else {
- const char *fontname = g->text_style.f->get_name();
-
- if (strlen(fontname) >= 2) {
- return( fontname[1] == 'B' );
- } else {
- return( FALSE );
- }
- }
-}
-
-void html_printer::terminate_current_font (void)
-{
- text_glob g;
-
- // we create a dummy glob just so we can tell html_change_font not to start up
- // a new font
- g.is_raw_command = TRUE;
- html_change_font(&g, 0, 0);
-}
-
-void html_printer::write_header (text_glob *g)
-{
- if (strlen(header.header_buffer) > 0) {
- if (header.header_level > 7) {
- header.header_level = 7;
- }
-
- if (cutoff_heading+2 > header.header_level) {
- // firstly we must terminate any font and type faces
- terminate_current_font();
- end_paragraph();
-
- // secondly we generate a tag
- html.put_string("");
- // now we save the header so we can issue a list of link
- style st;
-
- header.no_of_headings++;
-
- text_glob *h=new text_glob(&st,
- header.headings.add_string(header.header_buffer, strlen(header.header_buffer)),
- strlen(header.header_buffer),
- header.no_of_headings, header.header_level,
- header.no_of_headings, header.header_level,
- FALSE, FALSE);
- header.headers.add(h); // and add this header to the header list
- } else {
- terminate_current_font();
- end_paragraph();
- }
-
- // we adjust the margin if necessary
-
- if (g->minh < left_margin_indent) {
- header_indent = g->minh;
- }
-
- // and now we issue the real header
- html.put_string("");
- html.put_string(header.header_buffer);
- html.put_string("");
-
- need_one_newline = FALSE;
- begin_paragraph(left_alignment);
- header.written_header = TRUE;
- }
-}
-
-/*
- * translate_str_to_html - translates a string, str, into html representation.
- * len indicates the string length.
- */
-
-void translate_str_to_html (font *f, char *str, int len)
-{
- char buf[MAX_STRING_LENGTH];
-
- str_translate_to_html(f, buf, MAX_STRING_LENGTH, str, len, TRUE);
- strncpy(str, buf, max(len, strlen(buf)+1));
-}
-
-/*
- * write_headings - emits a list of links for the headings in this document
- */
-
-void header_desc::write_headings (FILE *f)
-{
- text_glob *g;
-
- if (! headers.is_empty()) {
- headers.start_from_head();
- do {
- g = headers.get_data();
- fprintf(f, "%s
\n", g->text_string, g->text_string);
- headers.move_right();
- } while (! headers.is_equal_to_head());
- }
-}
-
-void html_printer::determine_header_level (void)
-{
- int i;
- int l=strlen(header.header_buffer);
- int stops=0;
-
- for (i=0; ((i 0) {
- header.header_level = stops;
- }
-}
-
-
-void html_printer::build_header (text_glob *g)
-{
- text_glob *l;
- int current_vpos;
- char buf[MAX_STRING_LENGTH];
-
- strcpy(header.header_buffer, "");
- do {
- l = g;
- current_vpos = g->minv;
- str_translate_to_html(g->text_style.f, buf, MAX_STRING_LENGTH, g->text_string, g->text_length, TRUE);
- strcat(header.header_buffer, (char *)buf);
- page_contents->words.move_right();
- g = page_contents->words.get_data();
- if (g->minv == current_vpos) {
- strcat(header.header_buffer, " ");
- }
- } while ((! page_contents->words.is_equal_to_head()) &&
- ((g->minv == current_vpos) || (l->maxh == right_margin_indent)));
-
- determine_header_level();
- // finally set the output to neutral for after the header
-
- g = page_contents->words.get_data();
- output_vpos = g->minv; // set output_vpos to the next line since
- output_hpos = left_margin_indent; // html header forces a newline anyway
- page_contents->words.move_left(); // so that next time we use old g
-
- need_one_newline = FALSE;
-}
-
-
-/*
- * is_whole_line_bold - returns TRUE if the whole line is bold.
- */
-
-int html_printer::is_whole_line_bold (text_glob *g)
-{
- text_glob *n=g;
- int current_vpos=g->minv;
-
- do {
- if (is_bold(n)) {
- page_contents->words.move_right();
- n = page_contents->words.get_data();
- } else {
- while (page_contents->words.get_data() != g) {
- page_contents->words.move_left();
- }
- return( FALSE );
- }
- } while ((! page_contents->words.is_equal_to_head()) && (is_on_same_line(n, current_vpos)));
- // was (n->minv == current_vpos)
- while (page_contents->words.get_data() != g) {
- page_contents->words.move_left();
- }
- return( TRUE );
-}
-
-
-/*
- * is_a_header - returns TRUE if the whole sequence of contineous lines are bold.
- * It checks to see whether a line is likely to be contineous and
- * then checks that all words are bold.
- */
-
-int html_printer::is_a_header (text_glob *g)
-{
- text_glob *l;
- text_glob *n=g;
- int current_vpos;
-
- do {
- l = n;
- current_vpos = n->minv;
- if (is_bold(n)) {
- page_contents->words.move_right();
- n = page_contents->words.get_data();
- } else {
- while (page_contents->words.get_data() != g) {
- page_contents->words.move_left();
- }
- return( FALSE );
- }
- } while ((! page_contents->words.is_equal_to_head()) &&
- ((n->minv == current_vpos) || (l->maxh == right_margin_indent)));
- while (page_contents->words.get_data() != g) {
- page_contents->words.move_left();
- }
- return( TRUE );
-}
-
-
-int html_printer::processed_header (text_glob *g)
-{
- if ((guess_on) && (g->minh <= left_margin_indent) && (! using_table_for_indent()) &&
- (is_a_header(g))) {
- build_header(g);
- write_header(g);
- return( TRUE );
- } else {
- return( FALSE );
- }
-}
-
-int is_punctuation (char *s, int length)
-{
- return( (length == 1) &&
- ((s[0] == '(') || (s[0] == ')') || (s[0] == '!') || (s[0] == '.') || (s[0] == '[') ||
- (s[0] == ']') || (s[0] == '?') || (s[0] == ',') || (s[0] == ';') || (s[0] == ':') ||
- (s[0] == '@') || (s[0] == '#') || (s[0] == '$') || (s[0] == '%') || (s[0] == '^') ||
- (s[0] == '&') || (s[0] == '*') || (s[0] == '+') || (s[0] == '-') || (s[0] == '=') ||
- (s[0] == '{') || (s[0] == '}') || (s[0] == '|') || (s[0] == '\"') || (s[0] == '\''))
- );
-}
-
-/*
- * move_horizontal - moves right into the position, g->minh.
- */
-
-void html_printer::move_horizontal (text_glob *g, int left_margin)
-{
- if (g->text_style.f != 0) {
- int w = g->text_style.f->get_space_width(g->text_style.point_size);
-
- if (w == 0) {
- fatal("space width is zero");
- }
- if ((output_hpos == left_margin) && (g->minh > output_hpos)) {
- make_html_indent(g->minh-output_hpos);
- } else {
- emit_space(g, FALSE);
- }
- output_hpos = g->maxh;
- output_vpos = g->minv;
-
- change_font(g, TRUE);
- }
-}
-
-/*
- * looks_like_subscript - returns TRUE if, g, looks like a subscript.
- */
-
-int html_printer::looks_like_subscript (text_glob *g)
-{
- int r = font::res;
- int height = output_style.point_size*r/72;
-
- /* was return( ((output_vpos < g->minv) && (output_style.point_size != 0) &&
- * (output_style.point_size > g->text_style.point_size)) );
- */
-
- return( (output_style.point_size != 0) && (! supress_sub_sup) && (output_vpos+height < g->maxv) );
-}
-
-/*
- * looks_like_superscript - returns TRUE if, g, looks like a superscript.
- */
-
-int html_printer::looks_like_superscript (text_glob *g)
-{
- int r = font::res;
- int height = output_style.point_size*r/72;
-
-/* was
- * return(((output_vpos > g->minv) && (output_style.point_size != 0) &&
- * (output_style.point_size > g->text_style.point_size)));
- */
-
- return( (output_style.point_size != 0) && (! supress_sub_sup) && (output_vpos+height > g->maxv) );
-}
-
-/*
- * looks_like_larger_font - returns TRUE if, g, can be treated as a larger font.
- * g needs to be on the same line
- */
-
-int html_printer::looks_like_larger_font (text_glob *g)
-{
- int r = font::res;
- int height = output_style.point_size*r/72;
-
- return( (output_vpos+height == g->maxv) && (output_style.point_size != 0) &&
- (convertSizeToHTML(g->text_style.point_size)+1 == convertSizeToHTML(output_style.point_size)) );
-}
-
-/*
- * looks_like_smaller_font - returns TRUE if, g, can be treated as a smaller font.
- * g needs to be on the same line
- */
-
-int html_printer::looks_like_smaller_font (text_glob *g)
-{
- int r = font::res;
- int height = output_style.point_size*r/72;
-
- return( (output_vpos+height == g->maxv) && (output_style.point_size != 0) &&
- (convertSizeToHTML(g->text_style.point_size) == convertSizeToHTML(output_style.point_size)+1) );
-}
-
-/*
- * pretend_is_on_same_line - returns TRUE if we think, g, is on the same line as the previous glob.
- * Note that it believes a single word spanning the left..right as being
- * on a different line.
- */
-
-int html_printer::pretend_is_on_same_line (text_glob *g, int left_margin, int right_margin)
-{
- return( auto_on && (right_margin == output_hpos) && (left_margin == g->minh) &&
- (right_margin != g->maxh) && ((! is_whole_line_bold(g)) || (g->text_style.f == output_style.f)) &&
- (! (using_table_for_indent()) || (indentation.wrap_margin)) );
-}
-
-int html_printer::is_on_same_line (text_glob *g, int vpos)
-{
-#if 0
- if (g->is_html_command) {
- stop();
- }
-#endif
- return(
- (vpos >= 0) &&
- (is_intersection(vpos, vpos+g->text_style.point_size*font::res/72-1, g->minv, g->maxv))
- );
-}
-
-
-/*
- * make_html_indent - creates a relative indentation.
- */
-
-void html_printer::make_html_indent (int indent)
-{
- if ((indent > 0) && ((right_margin_indent-get_left()) > 0) &&
- ((indent*100)/(right_margin_indent-get_left()))) {
- html.put_string("");
- }
-}
-
-/*
- * using_table_for_indent - returns TRUE if we currently using a table for indentation
- * purposes.
- */
-
-int html_printer::using_table_for_indent (void)
-{
- return( indentation.no_of_columns != 0 );
-}
-
-/*
- * calculate_min_gap - returns the minimum gap by which we deduce columns.
- * This is a rough heuristic.
- */
-
-int html_printer::calculate_min_gap (text_glob *g)
-{
- text_glob *t = g;
-
- while ((t->is_raw_command) && (! page_contents->words.is_equal_to_tail()) &&
- ((t->minv < end_region_vpos) || (end_region_vpos < 0))) {
- page_contents->words.move_right();
- t=page_contents->words.get_data();
- }
- rewind_text_to(g);
- if (t->is_raw_command) {
- return( font::res * 10 ); // impossibly large gap width
- } else {
- return( t->text_style.f->get_space_width(t->text_style.point_size)*GAP_SPACES );
- }
-}
-
-/*
- * collect_columns - place html text in a column and return the vertical limit reached.
- */
-
-int html_printer::collect_columns (struct text_defn *next_words,
- struct text_defn *next_cols,
- struct text_defn *last_words,
- struct text_defn *last_cols,
- int max_words)
-{
- text_glob *start = page_contents->words.get_data();
- text_glob *t = start;
- int upper_limit = 0;
-
- /*
- * initialize cols and words
- */
- next_words[0].left = 0;
- next_words[0].right = 0;
- next_cols [0].left = 0;
- next_cols [0].right = 0;
-
- /*
- * if we have not reached the end collect the words on the current line
- */
- if (start != 0) {
- int graphic_limit = end_region_vpos;
-
- if (is_whole_line_bold(t) && (t->minh <= left_margin_indent) && (guess_on)) {
- /*
- * found header therefore terminate indentation table.
- * Return a negative number so we know a header has
- * stopped the column
- */
- upper_limit = -t->minv;
- } else {
- int i =0; // is the index into next_cols
- int j =0; // is the column index for last_cols
- int k =0; // is the index into next_words
- int l =0; // is the index into next_words
- int prevh =0;
- int mingap =calculate_min_gap(start);
-
- /*
- * while words on the same line record them and any significant gaps
- */
- while ((t != 0) && (is_on_same_line(t, start->minv) && (i t->minv))) {
-
- /*
- * now find column index from the last line which corresponds to, t.
- */
- j = find_column_index_in_line(t, last_cols);
-
- /*
- * now find word index from the last line which corresponds to, t.
- */
- l = find_column_index_in_line(t, last_words);
-
- /*
- * Note t->minh might equal t->maxh when we are passing a special device character via \X
- * we currently ignore this when considering tables
- *
- * if we have found a significant gap then record it
- */
- if (((t->minh - prevh >= mingap) ||
- ((last_cols != 0) && (last_cols [j].right != 0) && (t->minh == last_cols [j].left))) &&
- (t->minh != t->maxh)) {
- next_cols[i].left = t->minh;
- next_cols[i].right = t->maxh;
- i++;
- /*
- * terminate the array
- */
- if (i0) {
- /*
- * move previous right hand column to align with, t.
- */
-
- if (t->minh > next_cols[i-1].left) {
- /*
- * a simple precaution in case we get globs which are technically on the same line
- * (sadly this does occur sometimes - maybe we should be stricter with is_on_same_line)
- * --fixme--
- */
- next_cols[i-1].right = max(next_cols[i-1].right, t->maxh);
- }
- }
- /*
- * remember to record the individual words
- */
- next_words[k].left = t->minh;
- next_words[k].right = t->maxh;
- k++;
-
- /*
- * and record the vertical upper limit
- */
- upper_limit = max(t->minv, upper_limit);
-
- /*
- * and update prevh - used to detect a when a different line is seen
- */
- prevh = t->maxh;
-
- /*
- * get next word into, t, which equals 0, if no word is found
- */
- page_contents->words.move_right();
- t = page_contents->words.get_data();
- if (page_contents->words.is_equal_to_head()) {
- t = 0;
- }
- }
-
- /*
- * and terminate the next_words array
- */
-
- if (k next_cols[k].right) {
- fprintf(stderr, "left > right\n"); fflush(stderr);
- stop();
- fatal("next_cols has messed up columns");
- }
- if ((k>0) && (k+1 next_cols[k+1].left)) {
- fprintf(stderr, "next_cols[k].right > next_cols[k+1].left\n"); fflush(stderr);
- stop();
- fatal("next_cols has messed up columns");
- }
- }
-#endif
- }
- }
- return( upper_limit );
-}
-
-/*
- * conflict_with_words - returns TRUE if a word sequence crosses a column.
- */
-
-int html_printer::conflict_with_words (struct text_defn *column_guess, struct text_defn *words)
-{
- int i=0;
- int j;
-
- while ((column_guess[i].right != 0) && (i= column_guess[i+1].left)) {
- if (debug_table_on) {
- fprintf(stderr, "is a conflict with words\n");
- fflush(stderr);
- }
- return( TRUE );
- }
- j++;
- }
- i++;
- }
- if (debug_table_on) {
- fprintf(stderr, "is NOT a conflict with words\n");
- fflush(stderr);
- }
- return( FALSE );
-}
-
-/*
- * combine_line - combines dest and src.
- */
-
-void html_printer::combine_line (struct text_defn *dest, struct text_defn *src)
-{
- int i;
-
- for (i=0; (ileft)) {
- i++;
- }
-
- if (line[i].right == 0) {
- // add to the end
- if (i0) && (line[i-1].left > item->left)) {
- fatal("insertion error");
- }
- line[i].left = item->left;
- line[i].right = item->right;
- i++;
- line[i].left = 0;
- line[i].right = 0;
- }
- } else {
- if (line[i].left == item->left) {
- line[i].right = max(item->right, line[i].right);
- } else {
- // insert
- int left = item->left;
- int right = item->right;
- int l = line[i].left;
- int r = line[i].right;
-
- while ((i+1left) {
- return( TRUE );
- } else {
- i++;
- }
- }
- return( FALSE );
-}
-
-/*
- * calculate_right - calculate the right most margin for each column in line.
- */
-
-void html_printer::calculate_right (struct text_defn *line, int max_words)
-{
- int i=0;
-
- while ((i0) {
- line[i-1].right = line[i].left;
- }
- i++;
- }
-}
-
-/*
- * add_right_full_width - adds an extra column to the right to bring the table up to
- * full width.
- */
-
-void html_printer::add_right_full_width (struct text_defn *line, int mingap)
-{
- int i=0;
-
- while ((i0) && (line[i-1].right != right_margin_indent) && (i+10) {
- // remember right_margin_indent is the right most position for this page
- line[i-1].right = column_calculate_right_margin(line[i-1].left, right_margin_indent);
- }
-}
-
-/*
- * is_column_match - returns TRUE if a word is aligned in the same horizontal alignment
- * between two lines, line1 and line2. If so then this horizontal
- * position is saved in match.
- */
-
-int html_printer::is_column_match (struct text_defn *match,
- struct text_defn *line1, struct text_defn *line2, int max_words)
-{
- int i=0;
- int j=0;
- int found=FALSE;
- int first=(match[0].left==0);
-
- if (first) {
- struct text_defn t;
-
- t.left = left_margin_indent;
- t.right = 0;
-
- include_into_list(match, &t);
- }
- while ((line1[i].right != 0) && (line2[i].right != 0)) {
- if (line1[i].left == line2[j].left) {
- // same horizontal alignment found
- include_into_list(match, &line1[i]);
- i++;
- j++;
- found = TRUE;
- } else if (line1[i].left < line2[j].left) {
- i++;
- } else {
- j++;
- }
- }
- calculate_right(match, max_words);
- return( found );
-}
-
-/*
- * check_lack_of_hits - returns TRUE if a column has been moved to a position
- * of only one hit from a position of more than one hit.
- */
-
-int html_printer::check_lack_of_hits (struct text_defn *next_guess,
- struct text_defn *last_guess,
- text_glob *start, int limit)
-{
- text_glob *current=page_contents->words.get_data();
- int n=count_columns(last_guess);
- int m=count_columns(next_guess);
- int i, j;
-
- if (limit > 0) {
- rewind_text_to(start);
- count_hits(last_guess, n, limit);
- rewind_text_to(current);
- i=0;
- j=0;
- while ((i= 2)) {
- /*
- * next_guess has to be = 1 as this position is new
- */
- return( TRUE );
- }
- if (last_guess[i].left < next_guess[j].left) {
- i++;
- } else {
- j++;
- }
- }
- }
- return( FALSE );
-}
-
-/*
- * remove_white_using_words - remove white space in, last_guess, by examining, next_line
- * placing results into next_guess.
- * It returns TRUE if the same columns exist in next_guess and last_guess
- * we do allow columns to shrink but if a column disappears then we return FALSE.
- */
-
-int html_printer::remove_white_using_words (struct text_defn *next_guess,
- struct text_defn *last_guess, struct text_defn *next_line)
-{
- int i=0;
- int j=0;
- int k=0;
- int removed=FALSE;
-
- while ((last_guess[j].right != 0) && (next_line[k].right != 0)) {
- if (last_guess[j].left == next_line[k].left) {
- // same horizontal alignment found
- next_guess[i].left = last_guess[j].left;
- next_guess[i].right = max(last_guess[j].right, next_line[k].right);
- i++;
- j++;
- k++;
- if ((next_guess[i-1].right > last_guess[j].left) && (last_guess[j].right != 0)) {
- removed = TRUE;
- }
- } else if (last_guess[j].right < next_line[k].left) {
- next_guess[i].left = last_guess[j].left;
- next_guess[i].right = last_guess[j].right;
- i++;
- j++;
- } else if (last_guess[j].left > next_line[k].right) {
- // insert a word sequence from next_line[k]
- next_guess[i].left = next_line[k].left;
- next_guess[i].right = next_line[k].right;
- i++;
- k++;
- } else if (is_intersection(last_guess[j].left, last_guess[j].right, next_line[k].left, next_line[k].right)) {
- // potential for a column disappearing
- next_guess[i].left = min(last_guess[j].left , next_line[k].left);
- next_guess[i].right = max(last_guess[j].right, next_line[k].right);
- i++;
- j++;
- k++;
- if ((next_guess[i-1].right > last_guess[j].left) && (last_guess[j].right != 0)) {
- removed = TRUE;
- }
- }
- }
- while (next_line[k].right != 0) {
- next_guess[i].left = next_line[k].left;
- next_guess[i].right = next_line[k].right;
- i++;
- k++;
- }
- if (iwords.get_data() != g) {
- if (page_contents->words.is_equal_to_head()) {
- page_contents->words.start_from_tail();
- } else {
- page_contents->words.move_left();
- }
- }
-}
-
-/*
- * can_loose_column - checks to see whether we should combine two columns.
- * This is allowed if there are is only one hit on the
- * left hand edge and the previous column is very close.
- */
-
-void html_printer::can_loose_column (text_glob *start, struct text_defn *last_guess, int limit)
-{
- text_glob *current=page_contents->words.get_data();
- int n=count_columns(last_guess);
- int i;
-
- rewind_text_to(start);
- count_hits(last_guess, n, limit);
- i=0;
- while (i (last_guess[i+1].left-last_guess[i].right))) {
- last_guess[i].right = last_guess[i+1].right;
- remove_entry_in_line(last_guess, i+1);
- n = count_columns(last_guess);
- i = 0;
- } else {
- i++;
- }
- }
- rewind_text_to(current);
-}
-
-/*
- * display_columns - a long overdue debugging function, as this column code is causing me grief :-(
- */
-
-void html_printer::display_columns (const char *word, const char *name, text_defn *line)
-{
- int i=0;
-
- fprintf(stderr, "[%s:%s]", name, word);
- while (line[i].right != 0) {
- fprintf(stderr, " ", line[i].left, line[i].right, line[i].percent);
- i++;
- }
- fprintf(stderr, "\n");
- fflush(stderr);
-}
-
-/*
- * copy_line - dest = src
- */
-
-void html_printer::copy_line (struct text_defn *dest, struct text_defn *src)
-{
- int k;
-
- for (k=0; ((src[k].right != 0) && (k0) && (line[i-1].right != right_margin_indent) &&
- (is_worth_column(line[i-1].right, right_margin_indent))) {
- t.left = line[i-1].right;
- t.right = right_margin_indent;
- include_into_list(line, &t);
- }
-}
-
-/*
- * is_continueous_column - returns TRUE if a line has a word on one
- * of the last_col right most boundaries.
- */
-
-int html_printer::is_continueous_column (text_defn *last_col, text_defn *next_line)
-{
- int w = count_columns(next_line);
- int c = count_columns(last_col);
- int i, j;
-
- for (i=0; i= MIN_COLUMN );
-#endif
- return( TRUE );
-}
-
-/*
- * large_enough_gap - returns TRUE if a large enough gap for one line was seen.
- * We need to make sure that a single line definitely warrents
- * a table.
- * It also removes other smaller gaps.
- */
-
-int html_printer::large_enough_gap (text_defn *last_col)
-{
- int i=0;
- int found=FALSE;
- int r=font::res;
- int gap=r/GAP_WIDTH_ONE_LINE;
-
- if (abs(last_col[i].left - left_margin_indent) >= gap) {
- found = TRUE;
- }
- while ((last_col[i].right != 0) && (last_col[i+1].right != 0)) {
- if (abs(last_col[i+1].left-last_col[i].right) >= gap) {
- found = TRUE;
- i++;
- } else {
- // not good enough for a single line, remove it
- last_col[i].right = last_col[i+1].right;
- remove_entry_in_line(last_col, i+1);
- }
- }
- return( found );
-}
-
-/*
- * is_subset_of_columns - returns TRUE if line, a, is a subset of line, b.
- */
-
-int html_printer::is_subset_of_columns (text_defn *a, text_defn *b)
-{
- int i;
- int j;
-
- i=0;
- while ((iwords.get_data();
- text_glob *g = start;
-
- // firstly reset the used field
- for (i=0; iminv <= limit)) {
- i=0;
- while ((iminh)) {
- i++;
- }
- if ((col[i].left == g->minh) && (col[i].right != 0)) {
- col[i].is_used++;
- }
- page_contents->words.move_right();
- if (page_contents->words.is_equal_to_head()) {
- g = 0;
- page_contents->words.start_from_tail();
- } else {
- g=page_contents->words.get_data();
- }
- }
-}
-
-/*
- * count_right_hits - counts the number of right hits per column.
- * A right hit is when the left hand position
- * of a glob hits the right hand column.
- */
-
-void html_printer::count_right_hits (text_defn *col, int no_of_columns)
-{
- int i;
- text_glob *start = page_contents->words.get_data();
- text_glob *g = start;
-
- // firstly reset the used field
- for (i=0; iminv <= indentation.vertical_limit)) {
- i=0;
- while ((iminh)) {
- i++;
- }
- if ((imaxh)) {
- if (debug_table_on) {
- fprintf(stderr, "found right hit [%s] at %d in %d\n",
- g->text_string, g->maxh, i);
- fflush(stderr);
- }
- col[i].right_hits++;
- }
- page_contents->words.move_right();
- if (page_contents->words.is_equal_to_head()) {
- g = 0;
- page_contents->words.start_from_tail();
- } else {
- g=page_contents->words.get_data();
- }
- }
-}
-
-/*
- * right_indentation - returns TRUE if a single column has been found and
- * it resembles an indentation. Ie .RS/.RE or ABSTACT
- */
-
-int html_printer::right_indentation (struct text_defn *last_guess)
-{
- // it assumes that last_guess contains a single column
- return( (last_guess[0].left > left_margin_indent) );
-}
-
-/*
- * able_to_steal_width - returns TRUE if we have an unused column which we can steal from.
- * It must have more than MIN_TEXT_PERCENT to do this.
- */
-
-int html_printer::able_to_steal_width (void)
-{
- int i;
-
- for (i=0; i MIN_TEXT_PERCENT)) {
- return( TRUE );
- }
- }
- return( FALSE );
-}
-
-/*
- * is_divisible_by - returns TRUE if n is divisible by d leaving no remainder.
- */
-
-static int is_divisible_by (int n, int d)
-{
- return( (n % d) == 0 );
-}
-
-/*
- * need_to_steal_width - returns TRUE if a used column need to be
- * given a little extra width for safty sake.
- */
-
-int html_printer::need_to_steal_width (void)
-{
- int i;
-
- for (i=0; i0); i++) {
- if ((indentation.columns[i].is_used) &&
- (indentation.columns[i].percent < PERCENT_THRESHOLD)) {
- indentation.columns[i].percent++;
- excess--;
- }
- }
- // we might as well try and keep any numbers simple if possible
- for (i=0; (i0); i++) {
- if ((indentation.columns[i].is_used) &&
- (! is_divisible_by(indentation.columns[i].percent, MIN_TEXT_PERCENT))) {
- indentation.columns[i].percent++;
- excess--;
- }
- }
- // forget the niceties lets just use excess up now!
- for (i=0; (i0); i++) {
- if (indentation.columns[i].is_used) {
- indentation.columns[i].percent++;
- excess--;
- }
- }
-}
-
-/*
- * can_distribute_fairly - returns TRUE if we can redistribute some of the unused width into
- * columns that are used.
- */
-
-int html_printer::can_distribute_fairly (void)
-{
- int i;
- int total=0;
- int used =0;
- int excess;
-
- // firstly total up all percentages - so we can use round offs
- for (i=0; i MIN_TEXT_PERCENT) {
- indentation.columns[i].percent--;
- excess++;
- }
- }
- }
- }
- if (excess >= used) {
- for (i=0; iminv;
-
- while ((start != 0) && (start->minv < indentation.vertical_limit) &&
- (is_on_same_line(start, current_vpos))) {
- if (page_contents->words.is_equal_to_tail()) {
- start = 0;
- } else {
- page_contents->words.move_right();
- start = page_contents->words.get_data();
- }
- }
- if ((start != 0) && (start->minv < indentation.vertical_limit)) {
- // onto next line now
- current_vpos=start->minv;
- while ((start != 0) && (start->minv < indentation.vertical_limit) &&
- (is_on_same_line(start, current_vpos))) {
- if (start->minh == indentation.columns[i].left) {
- return( TRUE );
- }
- if (page_contents->words.is_equal_to_tail()) {
- start = 0;
- } else {
- page_contents->words.move_right();
- start = page_contents->words.get_data();
- }
- }
- }
- return( FALSE );
-}
-
-/*
- * will_wrap_text - returns TRUE if text is wrapped in column, i.
- */
-
-int html_printer::will_wrap_text (int i, text_glob *start)
-{
- text_glob *current=page_contents->words.get_data();
-
- if (auto_on) {
- rewind_text_to(start);
- while ((start != 0) && (start->minv < indentation.vertical_limit)) {
- if (indentation.columns[i].right == start->maxh) {
- // ok right word is on column boarder - check next line
- if (next_line_on_left_column(i, start)) {
- rewind_text_to(current);
- return( TRUE );
- }
- }
- if (page_contents->words.is_equal_to_tail()) {
- start = 0;
- } else {
- page_contents->words.move_right();
- start = page_contents->words.get_data();
- }
- }
- }
- rewind_text_to(current);
- return( FALSE );
-}
-
-/*
- * remove_unnecessary_unused - runs through a table and decides whether an unused
- * column can be removed. This is only true if the
- * column to the left does not wrap text.
- */
-
-void html_printer::remove_unnecessary_unused (text_glob *start)
-{
- int i=0;
- int left=get_left();
- int right;
-
- while (itext_string, "[b4 steal] indentation.columns", indentation.columns);
- }
-
- // now steal from the unused columns..
- remove_unnecessary_unused(start);
-
- if (debug_table_on) {
- display_columns(start->text_string, "[after steal] indentation.columns", indentation.columns);
- }
-
-#if 0
- utilize_round_off();
-#endif
- remove_zero_percentage_column();
-}
-
-
-/*
- * is_column_subset - returns TRUE if the columns described by small can be contained in
- * the columns in large.
- */
-
-int html_printer::is_column_subset (struct text_defn *small, struct text_defn *large)
-{
- int ns=count_columns(small);
- int nl=count_columns(large);
- int found;
- int i=0;
- int j;
-
- while (i0 );
-}
-
-/*
- * right_most_column - returns the right most column position.
- */
-
-int html_printer::right_most_column (struct text_defn *col)
-{
- int i = count_columns(col);
-
- if (i>0) {
- return( col[i-1].right );
- } else {
- return( 0 );
- }
-}
-
-/*
- * large_enough_gap_for_two - returns TRUE if there exists a large enough gap
- * for two lines.
- */
-
-int html_printer::large_enough_gap_for_two (struct text_defn *col)
-{
- int i=0;
- int found=FALSE;
- int gap=MIN_COLUMN_FOR_TWO_LINES;
-
- if (abs(col[i].left - left_margin_indent) >= gap) {
- found = TRUE;
- }
- while ((col[i].right != 0) && (col[i+1].right != 0)) {
- if (abs(col[i+1].left-col[i].right) >= gap) {
- found = TRUE;
- i++;
- } else {
- // not good enough for this table, remove it
- col[i].right = col[i+1].right;
- remove_entry_in_line(col, i+1);
- }
- }
- return( found );
-}
-
-/*
- * is_small_table - applies some rigorous rules to test whether we should start this
- * table at this point.
- */
-
-int html_printer::is_small_table (int lines, struct text_defn *last_guess,
- struct text_defn *words_1, struct text_defn *cols_1,
- struct text_defn *words_2, struct text_defn *cols_2,
- int *limit, int *limit_1)
-{
- /*
- * firstly we check for an indented paragraph
- */
-
- if ((lines >= 2) &&
- (count_columns(cols_1) == count_columns(cols_2)) && (count_columns(cols_1) == 1) &&
- right_indentation(cols_1) && (! right_indentation(cols_2)) &&
- (cols_1[0].right == right_margin_indent)) {
- return( FALSE );
- }
-
- if (lines == 2) {
- /*
- * as we only have two lines in our table we need to examine in detail whether
- * we should construct a table from these two lines.
- * For example if the text is the start of an indented paragraph and
- * line1 and line2 are contineous then they should form one row in our table but
- * if line1 and line2 are not contineous it is safer to treat them separately.
- *
- * We are prepared to reduce the table to one line
- */
- if (((count_columns(cols_1) != count_columns(cols_2)) && (cols_1[0].left > cols_2[0].left)) ||
- (! ((is_column_subset(cols_1, cols_2)) ||
- (is_column_subset(cols_2, cols_1))))) {
- /*
- * now we must check to see whether line1 and line2 join
- */
- if ((right_most_column(cols_1) == right_margin_indent) &&
- (cols_2[0].left == left_margin_indent)) {
- /*
- * looks like they join, we don't want a table at all.
- */
- return( FALSE );
- }
- /*
- * use single line table
- */
- lines--;
- *limit = *limit_1;
- copy_line(last_guess, cols_1);
- }
- }
-
- if ((count_columns(last_guess)==1) && (right_indentation(last_guess))) {
- if (lines == 1) {
- *limit = *limit_1;
- }
- return( TRUE );
- }
-
- /*
- * check for large gap with single line or if multiple lines with more than one column
- */
-
- if (lines == 1) {
- if (large_enough_gap(last_guess)) {
- *limit = *limit_1;
- return( TRUE );
- }
- } else if (count_columns(last_guess)>1) {
- if (lines == 2) {
- return( large_enough_gap_for_two(last_guess) );
- }
- return( TRUE );
- }
- return( FALSE );
-}
-
-
-/*
- * is_appropriate_to_start_table - returns TRUE if it is appropriate to start the table
- * at this point.
- */
-
-int html_printer::is_appropriate_to_start_table (struct text_defn *cols_1,
- struct text_defn *cols_2,
- struct text_defn *last_guess)
-{
- if (count_columns(last_guess) == 1) {
- if (debug_table_on) {
- display_columns("", "[is] cols_1" , cols_1);
- display_columns("", "[is] cols_2" , cols_2);
- display_columns("", "[is] last_guess", last_guess);
- }
-
- if (! ((is_column_subset(cols_1, cols_2)) ||
- (is_column_subset(cols_2, cols_1)))) {
- return( FALSE );
- }
- if ((count_columns(cols_1) == 1) &&
- (cols_1[0].left > left_margin_indent) && (cols_1[0].right < right_margin_indent) &&
- (cols_1[0].right != cols_2[0].right) &&
- (count_columns(last_guess) == 1)) {
- return( FALSE );
- }
- }
- return( TRUE );
-}
-
-/*
- * is_a_full_width_column - returns TRUE if there exists a full width column.
- */
-
-int html_printer::is_a_full_width_column (void)
-{
- int i=0;
-
- while (i 2) {
- int i=0;
- int c=count_columns(cols_1);
-
- count_hits(cols_1, count_columns(cols_1), indentation.vertical_limit);
- rewind_text_to(start);
- count_right_hits(cols_1, count_columns(cols_1));
- rewind_text_to(start);
- while (i 1) || (cols_1[i].right_hits > 1)) {
- return( FALSE );
- }
- i++;
- }
- /*
- * first line (cols_1) is not aligned on any future column, we defer.
- */
- return( TRUE );
- }
- return( FALSE );
-}
-
-/*
- * is_new_exact_right - returns TRUE if the, next_cols, has a word sitting
- * on the right hand margin of last_guess. But only
- * if no exact right word was found in last_cols.
- */
-
-int html_printer::is_new_exact_right (struct text_defn *last_guess,
- struct text_defn *last_cols,
- struct text_defn *next_cols)
-{
- int n=count_columns(last_guess)-1;
- return( FALSE );
-
- if ((n>=0) && (last_guess[n].right != 0) && (last_cols[n].right != 0) && (next_cols[n].right != 0)) {
- if ((last_cols[n].right != last_guess[n].right) &&
- ((next_cols[n].right == last_guess[n].right) || (next_cols[n].right == right_margin_indent))) {
- return( TRUE );
- }
- }
- return( FALSE );
-}
-
-/*
- * found_use_for_table - checks whether the some words on one line directly match
- * the horizontal alignment of the line below.
- * This is rather complex as we need to detect text tables
- * such as .2C .IP Abstracts and indentations
- *
- * Algorithm is:
- *
- * read first line of text and calculate the significant
- * gaps between words
- * next next line of text and do the same
- * if a conflict between these lines exists and
- * first line is centered
- * then
- * return centered line
- * elsif start of a table is found
- * then
- * repeat
- * read next line of text and calculate significant gaps
- * until conflict between the gaps is found
- * record table
- * return table found
- * else
- * return no table found
- * fi
- */
-
-int html_printer::found_use_for_table (text_glob *start)
-{
- text_glob *t;
- struct text_defn all_words [MAX_WORDS_PER_LINE]; // logical OR of words on each line
- struct text_defn words_1 [MAX_WORDS_PER_LINE]; // actual words found on first line
- struct text_defn words_2 [MAX_WORDS_PER_LINE]; // actual words found on second line
- struct text_defn cols_1 [MAX_WORDS_PER_LINE]; // columns found on line 1
- struct text_defn cols_2 [MAX_WORDS_PER_LINE]; // columns found on line 2
- struct text_defn last_words [MAX_WORDS_PER_LINE]; // actual words found on last line
- struct text_defn last_cols [MAX_WORDS_PER_LINE]; // columns found so far
- struct text_defn next_words [MAX_WORDS_PER_LINE]; // actual words found on last line (new)
- struct text_defn next_cols [MAX_WORDS_PER_LINE]; // columns found on next line
- struct text_defn last_guess [MAX_WORDS_PER_LINE]; // columns found on last line
- // (logical AND of gaps (treat gaps = true))
- struct text_defn next_guess [MAX_WORDS_PER_LINE]; // columns found on next line
- // (logical AND of gaps (treat gaps = true))
- struct text_defn prev_guess [MAX_WORDS_PER_LINE]; // temporary copy of last_guess
- int i =0;
- int lines =1; // number of lines read
- int limit; // vertical limit reached in our table
- int limit_1; // vertical position after line 1
-
-#if 0
- if (strcmp(start->text_string, "
") == 0) {
- stop();
- }
-#endif
-
- /*
- * get first set of potential columns into last_line, call this last_guess
- */
- limit = collect_columns(words_1, cols_1, 0, 0, MAX_WORDS_PER_LINE);
- limit_1 = limit;
- copy_line(last_guess, cols_1);
-
- /*
- * initialize the all_words columns - if this should ever equal a complete line
- * with no gaps then we terminate the table.
- */
- copy_line(all_words, cols_1);
-
- /*
- * and set the current limit found
- */
- indentation.vertical_limit = limit;
-
- /*
- * have we reached the end of page?
- */
- if (page_contents->words.is_equal_to_head() || (limit == 0)) {
- cols_2[0].left = 0;
- cols_2[0].right = 0;
- } else {
- /*
- * the answer to the previous question was no.
- * So we need to examine the next line
- */
- limit = collect_columns(words_2, cols_2, words_1, cols_1, MAX_WORDS_PER_LINE);
- if (limit >= 0) {
- lines++;
- }
- }
-
- /*
- * now check to see whether the first line looks like a single centered line
- */
- if (single_centered_line(cols_1, cols_2, start)) {
- rewind_text_to(start);
- write_centered_line(start);
- /*
- * indicate to caller than we have centered text, not found a table.
- */
- indentation.no_of_columns = 0;
- return( TRUE );
- } else if (! table_on) {
- /*
- * user does not allow us to find a table (we are allowed to find centered lines (above))
- */
- rewind_text_to(start);
- return( FALSE );
- }
-
- /*
- * remove any gaps from all_words
- */
- combine_line(all_words, cols_2);
- if (debug_table_on) {
- display_columns(start->text_string, "[1] all_words" , all_words);
- display_columns(start->text_string, "[1] cols_1" , cols_1);
- display_columns(start->text_string, "[1] words_1" , words_1);
- display_columns(start->text_string, "[1] cols_2" , cols_2);
- display_columns(start->text_string, "[1] words_2" , words_2);
- display_columns(start->text_string, "[1] last_guess", last_guess);
- }
-
- /*
- * next_guess = last_guess AND next_cols (where gap = true)
- */
-
- if (remove_white_using_words(prev_guess, last_guess, cols_2)) {
- }
- if (remove_white_using_words(next_guess, prev_guess, all_words)) {
- }
-
- if (debug_table_on) {
- display_columns(start->text_string, "[2] next_guess", next_guess);
- }
-
- copy_line(prev_guess, cols_1);
- combine_line(prev_guess, cols_2);
-
- /*
- * if no sequence of words crosses a column and
- * both the last column and all_words are not a full solid line of text
- */
- if ((! conflict_with_words(next_guess, all_words)) &&
- (continue_searching_column(next_guess, next_guess, all_words)) &&
- (is_appropriate_to_start_table(cols_1, cols_2, prev_guess)) &&
- (! page_contents->words.is_equal_to_head()) &&
- ((end_region_vpos < 0) || (limit < end_region_vpos)) &&
- (limit > 0)) {
-
- /*
- * subtract any columns which are bridged by a sequence of words
- */
-
- copy_line(next_cols , cols_2);
- copy_line(next_words, words_2);
-
- do {
- copy_line(prev_guess, next_guess); // copy next_guess away so we can compare it later
- combine_line(last_guess, next_guess);
-
- if (debug_table_on) {
- t = page_contents->words.get_data();
- display_columns(t->text_string, "[l] last_guess", last_guess);
- }
- indentation.vertical_limit = limit;
-
- copy_line(last_cols, next_cols);
- copy_line(last_words, next_words);
- if (page_contents->words.is_equal_to_head()) {
- /*
- * terminate the search
- */
- next_cols[0].left = 0;
- next_cols[0].right = 0;
- } else {
- limit = collect_columns(next_words, next_cols, last_words, last_cols, MAX_WORDS_PER_LINE);
- lines++;
- }
-
- combine_line(all_words, next_cols);
- if (debug_table_on) {
- display_columns(t->text_string, "[l] all_words" , all_words);
- display_columns(t->text_string, "[l] last_cols" , last_cols);
- display_columns(t->text_string, "[l] next_words", next_words);
- display_columns(t->text_string, "[l] next_cols" , next_cols);
- }
-
- if (limit >= 0) {
- /*
- * (if limit is < 0 then the table ends anyway.)
- * we check to see whether we should combine close columns.
- */
- can_loose_column(start, last_guess, limit);
- }
- t = page_contents->words.get_data();
-#if 0
- if (strcmp(t->text_string, "heT") == 0) {
- stop();
- }
-#endif
-
- } while ((! remove_white_using_words(next_guess, last_guess, next_cols)) &&
- (! conflict_with_words(next_guess, all_words)) &&
- (continue_searching_column(next_guess, last_guess, all_words)) &&
- ((is_continueous_column(prev_guess, last_cols)) || (is_exact_left(last_guess, next_cols))) &&
- (! is_new_exact_right(last_guess, last_cols, next_cols)) &&
- (! page_contents->words.is_equal_to_head()) &&
- (! check_lack_of_hits(next_guess, last_guess, start, limit)) &&
- ((end_region_vpos <= 0) || (t->minv < end_region_vpos)) &&
- (limit >= 0));
- lines--;
- }
-
- if (limit < 0) {
- indentation.vertical_limit = limit;
- }
-
- if (page_contents->words.is_equal_to_head()) {
- // end of page check whether we should include everything
- if ((! conflict_with_words(next_guess, all_words)) &&
- (continue_searching_column(next_guess, last_guess, all_words)) &&
- ((is_continueous_column(prev_guess, last_cols)) || (is_exact_left(last_guess, next_cols)))) {
- // end of page reached - therefore include everything
- page_contents->words.start_from_tail();
- t = page_contents->words.get_data();
- combine_line(last_guess, next_guess);
- indentation.vertical_limit = t->minv;
- }
- } else {
- t = page_contents->words.get_data();
- if (((! conflict_with_words(last_guess, all_words))) &&
- (t->minv > end_region_vpos) && (end_region_vpos > 0)) {
- indentation.vertical_limit = limit;
- }
- if ((end_region_vpos > 0) && (t->minv > end_region_vpos)) {
- indentation.vertical_limit = min(indentation.vertical_limit, end_region_vpos+1);
- } else if (indentation.vertical_limit < 0) {
- // -1 as we don't want to include section heading itself
- indentation.vertical_limit = -indentation.vertical_limit-1;
- }
- }
-
- if (debug_table_on) {
- display_columns(start->text_string, "[1] all_words" , all_words);
- display_columns(start->text_string, "[1] cols_1" , cols_1);
- display_columns(start->text_string, "[1] words_1" , words_1);
- display_columns(start->text_string, "[1] cols_2" , cols_2);
- display_columns(start->text_string, "[1] words_2" , words_2);
- display_columns(start->text_string, "[1] last_guess", last_guess);
- display_columns(start->text_string, "[1] next_guess", next_guess);
- }
- rewind_text_to(start);
-
- i = count_columns(last_guess);
- if ((i>1) || (right_indentation(last_guess))) {
-
- // was (continue_searching_column(last_guess, last_guess, all_words)))) {
- if (should_defer_table(lines, start, cols_1)) {
- /*
- * yes, but let us check for a single line table
- */
- lines = 1;
- copy_line(last_guess, cols_1);
- }
-
- if (is_small_table(lines, last_guess, words_1, cols_1, words_2, cols_2,
- &indentation.vertical_limit, &limit_1)) {
-
- // copy match into permenant html_table
-
- if (indentation.columns != 0) {
- free(indentation.columns);
- }
- if (debug_table_on) {
- display_columns(start->text_string, "[x] last_guess", last_guess);
- }
- add_column_gaps(last_guess);
- if (debug_table_on) {
- display_columns(start->text_string, "[g] last_guess", last_guess);
- }
-
- /*
- * +1 for the potential header_margin
- * +1 for null
- */
-
- indentation.no_of_columns = count_columns(last_guess);
- indentation.columns = (struct text_defn *)malloc((indentation.no_of_columns+2)*sizeof(struct text_defn));
-
- i=0;
- while (i<=indentation.no_of_columns) {
- indentation.columns[i].left = last_guess[i].left;
- indentation.columns[i].right = last_guess[i].right;
- i++;
- }
-
- if (indentation.no_of_columns>0) {
- assign_used_columns(start);
- rewind_text_to(start);
- calculate_percentage_width(start);
-
- if (debug_table_on) {
- display_columns(start->text_string, "[g] indentation.columns", indentation.columns);
- }
-
- /*
- * clearly a single column 100% is not worth using a table.
- * Also we check to see whether the first line is sensibly
- * part of this table.
- */
- if (is_a_full_width_column()) {
- indentation.no_of_columns = 0;
- free( indentation.columns );
- indentation.columns = 0;
- } else {
- return( TRUE );
- }
- }
- }
- }
- return( FALSE );
-}
-
-/*
- * define_cell - creates a table cell using the percentage width.
- */
-
-void html_printer::define_cell (int i)
-{
- html.put_string("\n");
-}
-
-/*
- * column_display_word - given a left, right pair and the indentation.vertical_limit
- * write out html text within this region.
- */
-
-void html_printer::column_display_word (int cell, int vert, int left, int right, int next)
-{
- text_glob *g=page_contents->words.get_data();
-
- supress_sub_sup = TRUE;
- if (left != next) {
- define_cell(cell);
- begin_paragraph_no_height(left_alignment);
- while ((g != 0) && (g->minv <= vert)) {
- if ((left <= g->minh) && (g->minhis_raw_command) {
- html.put_string((char *)g->text_string);
- } else {
- translate_to_html(g);
- }
- if (postword != 0) {
- html.put_string(postword);
- }
- issued_newline = FALSE;
- }
- }
- if (page_contents->words.is_equal_to_tail()) {
- g = 0;
- } else {
- page_contents->words.move_right();
- g=page_contents->words.get_data();
- }
- }
- end_paragraph();
- html.put_string(" | \n");
- if (g != 0) {
- page_contents->words.move_left();
- // and correct output_vpos
- g=page_contents->words.get_data();
- output_vpos = g->minv;
- }
- }
-}
-
-/*
- * total_percentages - returns the total of all the percentages in the table.
- */
-
-int html_printer::total_percentages ()
-{
- int i;
- int sum=0;
-
- for (i=0; i\n");
-}
-
-/*
- * end_table - finishes off a table.
- */
-
-void html_printer::end_table (void)
-{
- html.put_string("\n");
- indentation.no_of_columns = 0;
- restore_paragraph();
- supress_sub_sup = TRUE;
-}
-
-
-/*
- * is_in_table - returns TRUE if we are inside an html table.
- */
-
-int html_printer::is_in_table (void)
-{
- return( indentation.no_of_columns != 0 );
-}
-
-
-/*
- * column_calculate_right_margin - scan through the column and find the right most margin
- */
-
-int html_printer::column_calculate_right_margin (int left, int right)
-{
- if (left == right) {
- return( right );
- } else {
- int rightmost =-1;
- int count = 0;
- text_glob *start = page_contents->words.get_data();
- text_glob *g = start;
-
- while ((g != 0) && (g->minv <= indentation.vertical_limit)) {
- if ((left <= g->minh) && (g->minhtext_string, g->maxh); fflush(stderr);
- }
- if (g->maxh == rightmost) {
- count++;
- } else if (g->maxh > rightmost) {
- count = 1;
- rightmost = g->maxh;
- }
- if (g->maxh > right) {
- if (debug_on) {
- fprintf(stderr, "problem as right word = %s %d [%d..%d]\n",
- g->text_string, right, g->minh, g->maxh); fflush(stderr);
- // stop();
- }
- }
- }
- page_contents->words.move_right();
- if (page_contents->words.is_equal_to_head()) {
- g = 0;
- page_contents->words.start_from_tail();
- } else {
- g=page_contents->words.get_data();
- }
- }
- rewind_text_to(start);
- if (rightmost == -1) {
- return( right ); // no words in this column
- } else {
- return( rightmost );
- }
- }
-}
-
-/*
- * column_calculate_left_margin - scan through the column and find the left most margin
- */
-
-int html_printer::column_calculate_left_margin (int left, int right)
-{
- if (left == right) {
- return( left );
- } else {
- int leftmost=right;
- text_glob *start = page_contents->words.get_data();
- text_glob *g = start;
-
- while ((g != 0) && (g->minv <= indentation.vertical_limit)) {
- if ((left <= g->minh) && (g->minhminh, leftmost);
- }
- page_contents->words.move_right();
- if (page_contents->words.is_equal_to_head()) {
- g = 0;
- page_contents->words.start_from_tail();
- } else {
- g=page_contents->words.get_data();
- }
- }
- rewind_text_to(start);
- if (leftmost == right) {
- return( left ); // no words in this column
- } else {
- return( leftmost );
- }
- }
-}
-
-/*
- * find_column_index - returns the index to the column in which glob, t, exists.
- */
-
-int html_printer::find_column_index_in_line (text_glob *t, text_defn *line)
-{
- int i=0;
-
- while ((line != 0) && ((line[i].right != 0) || (line[i].right != 0)) &&
- (! ((line[i].left<=t->minh) && (line[i].right>t->minh)))) {
- i++;
- }
- return( i );
-}
-
-/*
- * find_column_index - returns the index to the column in which glob, t, exists.
- */
-
-int html_printer::find_column_index (text_glob *t)
-{
- int i=0;
-
- while ((iminh) &&
- (indentation.columns[i].right>t->minh)))) {
- i++;
- }
- return( i );
-}
-
-/*
- * determine_row_limit - checks each row to see if there is a gap in a cell.
- * We return the vertical position after the empty cell
- * at the start of the next line.
- */
-
-int html_printer::determine_row_limit (text_glob *start, int v)
-{
- text_glob *t;
- int i;
- int vpos, last, prev;
- text_glob *is_gap[MAX_WORDS_PER_LINE];
- text_glob zero(&start->text_style, 0, 0, 0, 0, 0, 0, 0, 0);
-
-#if 1
- if ((v == -1) && (strcmp(start->text_string, "CASE") == 0)) {
- stop();
- }
-#endif
-
- if (v >= indentation.vertical_limit) {
- return( v+1 );
- } else {
- /*
- * initially we start with all gaps in our table
- * after a gap we start a new row
- * here we set the gap array to the previous line
- */
-
- if (v>=0) {
- t = page_contents->words.get_data();
- if (t->minv < v) {
- do {
- page_contents->words.move_right();
- t = page_contents->words.get_data();
- } while ((! page_contents->words.is_equal_to_head()) &&
- (t->minv <= v));
- }
- }
- if (page_contents->words.is_equal_to_head()) {
- t = &zero;
- } else {
- page_contents->words.move_left();
- t = page_contents->words.get_data();
- }
-
- prev = t->minv;
- for (i=0; iwords.is_equal_to_tail()) {
- rewind_text_to(start);
- return( indentation.vertical_limit );
- } else {
- page_contents->words.move_right();
- }
- t = page_contents->words.get_data();
- vpos = t->minv;
-
- // now check each row for a gap
- do {
- last = vpos;
- vpos = t->minv;
- if (vpos > indentation.vertical_limit) {
- // we have reached the end of the table, quit
- rewind_text_to(start);
- return( indentation.vertical_limit );
- }
-
- i = find_column_index(t);
- if (i>=indentation.no_of_columns) {
- error("find_column_index has failed");
- stop();
- } else {
- if (! is_on_same_line(t, last)) {
- prev = last;
- }
-
- if ((! is_on_same_line(is_gap[i], vpos)) && (! is_on_same_line(is_gap[i], prev)) &&
- (indentation.columns[i].is_used)) {
- // no word on previous line - must be a gap - force alignment of row
- rewind_text_to(start);
- return( prev );
- }
- is_gap[i] = t;
- }
- page_contents->words.move_right();
- t = page_contents->words.get_data();
- } while ((! page_contents->words.is_equal_to_head()) &&
- (vpos < indentation.vertical_limit) && (vpos >= last));
- page_contents->words.move_left();
- t = page_contents->words.get_data();
- rewind_text_to(start);
- return( indentation.vertical_limit );
- }
-}
-
-/*
- * assign_used_columns - sets the is_used field of the column array of records.
- */
-
-void html_printer::assign_used_columns (text_glob *start)
-{
- text_glob *t = start;
- int i;
-
- for (i=0; iwords.is_empty()) {
- do {
- i = find_column_index(t);
- if (indentation.columns[i].right != 0) {
- if (debug_table_on) {
- fprintf(stderr, "[%s] in column %d at %d..%d limit %d\n", t->text_string,
- i, t->minv, t->maxv, indentation.vertical_limit); fflush(stderr);
- }
- indentation.columns[i].is_used = TRUE;
- }
- page_contents->words.move_right();
- t = page_contents->words.get_data();
- } while ((t->minvwords.is_equal_to_head()));
- }
- if (debug_table_on) {
- for (i=0; i ",
- indentation.columns[i].left,
- indentation.columns[i].right,
- indentation.columns[i].is_used);
- }
- fprintf(stderr, "\n");
- fflush(stderr);
- }
-}
-
-/*
- * adjust_margin_percentages - so far we have ignored the header_indent
- * and just considered left_margin_indent..right_margin_indent.
- * (We do this since we can assume 100% is total width for main text).
- * However as header_indent can be < left_margin_indent we need to
- * recalculate the real percentages in the light of the extended width.
- */
-
-void html_printer::adjust_margin_percentages (void)
-{
- if ((header_indent < left_margin_indent) && (header_indent != -1)) {
- /*
- * recalculation necessary
- */
- int i=0;
-
- while (i0) {
- int i;
- int left, right;
- int limit=-1;
-
- start_table();
- rewind_text_to(start);
- count_right_hits(indentation.columns, indentation.no_of_columns);
- rewind_text_to(start);
-
- do {
- limit = determine_row_limit(start, limit); // find the bottom of the next row
- html.put_string("\n");
- i=0;
- start = page_contents->words.get_data();
- while (iminv;
- output_hpos = indentation.columns[i].left;
- // and display each column until limit
- right = column_calculate_right_margin(indentation.columns[i].left,
- indentation.columns[i].right);
- left = column_calculate_left_margin(indentation.columns[i].left,
- indentation.columns[i].right);
-
- if (right>indentation.columns[i].right) {
- if (debug_on) {
- fprintf(stderr, "assert calculated right column edge is greater than column\n"); fflush(stderr);
- // stop();
- }
- }
-
- if (lefttext_string);
- fflush(stderr);
- // stop();
- }
- } else {
- indentation.wrap_margin = TRUE;
- }
-
- column_display_word(i, limit, left, right, indentation.columns[i].right);
- i++;
- }
-
- if (page_contents->words.is_equal_to_tail()) {
- start = 0;
- } else {
- page_contents->words.sub_move_right();
- if (page_contents->words.is_empty()) {
- start = 0;
- } else {
- start = page_contents->words.get_data();
- }
- }
-
- html.put_string("
\n");
- } while (((limit < indentation.vertical_limit) && (start != 0) &&
- (! page_contents->words.is_empty())) || (limit == -1));
- end_table();
-
- if (start == 0) {
- // finished page remove all words
- page_contents->words.start_from_head();
- while (! page_contents->words.is_empty()) {
- page_contents->words.sub_move_right();
- }
- } else if (! page_contents->words.is_empty()) {
- page_contents->words.move_left();
- }
- }
-}
-
-/*
- * write_centered_line - generates a line of centered text.
- */
-
-void html_printer::write_centered_line (text_glob *g)
-{
- int current_vpos=g->minv;
-
- move_vertical(g, center_alignment);
-
- header.written_header = FALSE;
- supress_sub_sup = TRUE;
- output_vpos = g->minv;
- output_hpos = g->minh;
- do {
- char *postword=html_position_text(g, left_margin_indent, right_margin_indent);
-
- if (! header.written_header) {
- if (g->is_raw_command) {
- html.put_string((char *)g->text_string);
- } else {
- translate_to_html(g);
- }
- if (postword != 0) {
- html.put_string(postword);
- }
- need_one_newline = TRUE;
- issued_newline = FALSE;
- }
- page_contents->words.move_right();
- g = page_contents->words.get_data();
- } while ((! page_contents->words.is_equal_to_head()) && (is_on_same_line(g, current_vpos)));
- page_contents->words.move_left(); // so when we move right we land on the word following this centered line
- need_one_newline = TRUE;
-}
-
-/*
- * is_in_middle - returns TRUE if the text defn, t, is in the middle of the page.
- */
-
-int html_printer::is_in_middle (int left, int right)
-{
- return( abs(abs(left-left_margin_indent) - abs(right_margin_indent-right)) <= CENTER_TOLERANCE );
-}
-
-/*
- * single_centered_line - returns TRUE if first is a centered line with a different
- * margin to second.
- */
-
-int html_printer::single_centered_line (text_defn *first, text_defn *second, text_glob *g)
-{
- return(
- ((count_columns(first) == 1) && (first[0].left != left_margin_indent) &&
- (first[0].left != second[0].left) && is_in_middle(first->left, first->right))
- );
-}
-
-/*
- * check_able_to_use_center - returns TRUE if we can see a centered line.
- */
-
-int html_printer::check_able_to_use_center (text_glob *g)
-{
- if (auto_on && table_on && ((! is_on_same_line(g, output_vpos)) || issued_newline) && (! using_table_for_indent())) {
- // we are allowed to check for centered line
- // first check to see whether we might be looking at a set of columns
- struct text_defn last_guess[MAX_WORDS_PER_LINE];
- struct text_defn last_words[MAX_WORDS_PER_LINE];
-
- collect_columns(last_words, last_guess, 0, 0, MAX_WORDS_PER_LINE);
-
- rewind_text_to(g);
- if ((count_columns(last_guess) == 1) && (is_in_middle(last_guess[0].left, last_guess[0].right))) {
- write_centered_line(g);
- return( TRUE );
- }
- }
- return( FALSE );
-}
-
-/*
- * check_able_to_use_table - examines forthcoming text to see whether we can
- * better format it by using an html transparent table.
- */
-
-int html_printer::check_able_to_use_table (text_glob *g)
-{
- if (auto_on && ((! is_on_same_line(g, output_vpos)) || issued_newline) && (! using_table_for_indent())) {
- // we are allowed to check for table
-
- if ((output_hpos != right_margin_indent) && (found_use_for_table(g))) {
- foreach_column_include_text(g);
- return( TRUE );
- }
- }
- return( FALSE );
-}
-
-/*
- * move_vertical - if we are using html auto formatting then decide whether to
- * break the line via a
or a
sequence.
- */
-
-void html_printer::move_vertical (text_glob *g, paragraph_type p)
-{
- int r = font::res;
- int height = (g->text_style.point_size+2)*r/72; // --fixme-- we always assume VS is PS+2 (could do better)
- int temp_vpos;
-
- if (auto_on) {
- if ((more_than_line_break(output_vpos, g->minv, height)) || (p != current_paragraph->para_type)) {
- end_paragraph();
- begin_paragraph(p);
- } else {
- html_newline();
- }
- } else {
- if (output_vpos == -1) {
- temp_vpos = g->minv;
- } else {
- temp_vpos = output_vpos;
- }
-
- force_begin_paragraph();
- if (need_one_newline) {
- html_newline();
- temp_vpos += height;
- } else {
- need_one_newline = TRUE;
- }
-
- while ((temp_vpos < g->minv) && (more_than_line_break(temp_vpos, g->minv, height))) {
- html_newline();
- temp_vpos += height;
- }
- }
-}
-
-/*
- * emit_space - emits a space within html, it checks for the font type and
- * will change font depending upon, g. Courier spaces are larger
- * than roman so we need consistancy when changing between them.
- */
-
-void html_printer::emit_space (text_glob *g, int force_space)
-{
- if (! current_paragraph->need_paragraph) {
- // only generate a space if we have written a word - as html will ignore it otherwise
- if ((output_style != g->text_style) && (g->text_style.f != 0)) {
- terminate_current_font();
- }
- if (force_space || (g->minh > output_hpos)) {
- html.put_string(" ");
- }
- change_font(g, TRUE);
- }
-}
-
-/*
- * html_position_text - determine whether the text is subscript/superscript/normal
- * or a header.
- */
-
-char *html_printer::html_position_text (text_glob *g, int left_margin, int right_margin)
-{
- char *postword=0;
-
- begin_paragraph(left_alignment);
-
- if ((! header.written_header) &&
- (is_on_same_line(g, output_vpos) ||
- pretend_is_on_same_line(g, left_margin, right_margin))) {
-
- /*
- * check whether we should supress superscripts and subscripts.
- * I guess we might be able to do better by examining text on this line
- * --fixme--
- */
-
- if ((! is_on_same_line(g, output_vpos)) && (pretend_is_on_same_line(g, left_margin, right_margin))) {
- supress_sub_sup = TRUE;
- }
- header.written_header = FALSE;
- force_begin_paragraph();
-
- // check whether we need to insert white space between words on 'same' line
- if (pretend_is_on_same_line(g, left_margin, right_margin)) {
- emit_space(g, TRUE);
- }
-
- // check whether the font was reset after generating an image
- if (output_style.f == 0) {
- change_font(g, TRUE);
- }
-
- if (looks_like_subscript(g)) {
-
- g->text_style.point_size = output_style.point_size;
- g->minv = output_vpos; // this ensures that output_vpos doesn't alter
- // which allows multiple subscripted words
- move_horizontal(g, left_margin);
- html.put_string("");
- postword = "";
- } else if (looks_like_superscript(g)) {
-
- g->text_style.point_size = output_style.point_size;
- g->minv = output_vpos;
-
- move_horizontal(g, left_margin);
- html.put_string("");
- postword = "";
- } else {
- move_horizontal(g, left_margin);
- }
- supress_sub_sup = FALSE;
- } else {
- // we have found a new line
- if (! header.written_header) {
- move_vertical(g, left_alignment);
- }
- header.written_header = FALSE;
-
- if (processed_header(g)) {
- // we must not alter output_vpos as we have peeped at the next word
- // and set vpos to this - to ensure we do not generate a
after
- // a heading. (The html heading automatically generates a line break)
- output_hpos = left_margin;
- return( postword );
- } else {
- force_begin_paragraph();
- if ((! is_in_table()) && (margin_on)) {
- make_html_indent(left_margin);
- }
- if (g->minh-left_margin != 0) {
- make_html_indent(g->minh-left_margin);
- }
- change_font(g, TRUE);
- supress_sub_sup = FALSE;
- }
- }
- output_vpos = g->minv;
- output_hpos = g->maxh;
- return( postword );
-}
-
-
-int html_printer::html_position_region (void)
-{
- int r = font::res;
- int height = output_style.point_size*r/72;
- int temp_vpos;
- int is_center = FALSE;
-
- if (output_style.point_size != 0) {
- if (output_vpos != start_region_vpos) {
-
- // graphic starts on a different line
- if (output_vpos == -1) {
- temp_vpos = start_region_vpos;
- } else {
- temp_vpos = output_vpos;
- }
- supress_sub_sup = TRUE;
- if (need_one_newline) {
- html_newline();
- temp_vpos += height;
- } else {
- need_one_newline = TRUE;
- }
-
- while ((temp_vpos < start_region_vpos) &&
- (more_than_line_break(temp_vpos, start_region_vpos, height))) {
- html_newline();
- temp_vpos += height;
- }
- }
- }
- if (auto_on && (is_in_middle(start_region_hpos, end_region_hpos))) {
- is_center = TRUE;
- } else {
- if (start_region_hpos > get_left()) {
- make_html_indent(start_region_hpos-get_left());
- }
- }
- output_vpos = start_region_vpos;
- output_hpos = start_region_hpos;
- return( is_center );
-}
-
-/*
- * gs_x - translate and scale the x axis
- */
-
-int html_printer::gs_x (int x)
-{
- x += IMAGE_BOARDER_PIXELS/2;
- return((x-start_region_hpos)*postscript_res/font::res);
-}
-
-
-/*
- * gs_y - translate and scale the y axis
- */
-
-int html_printer::gs_y (int y)
-{
- int yoffset=((int)(A4_PAGE_LENGTH*(double)font::res))-end_region_vpos;
-
- y += IMAGE_BOARDER_PIXELS/2;
- return( (y+yoffset)*postscript_res/font::res );
-}
-
-
-void html_printer::troff_position_text (text_glob *g)
-{
- change_font(g, FALSE);
-
- troff.put_string("V");
- troff.put_number(gs_y(g->maxv));
- troff.put_string("\n");
-
- troff.put_string("H");
- troff.put_number(gs_x(g->minh));
- troff.put_string("\n");
-}
-
-void html_printer::troff_change_font (const char *fontname, int size, int font_no)
-{
- troff.put_string("x font ");
- troff.put_number(font_no);
- troff.put_string(" ");
- troff.put_string(fontname);
- troff.put_string("\nf");
- troff.put_number(font_no);
- troff.put_string("\ns");
- troff.put_number(size*1000);
- troff.put_string("\n");
-}
-
-
-void html_printer::set_style(const style &sty)
-{
-#if 0
- const char *fontname = sty.f->get_name();
- if (fontname == 0)
- fatal("no internalname specified for font");
-
- change_font(fontname, (font::res/(72*font::sizescale))*sty.point_size);
-#endif
-}
-
-void html_printer::end_of_line()
-{
- flush_sbuf();
- output_hpos = -1;
-}
-
-void html_printer::html_display_word (text_glob *g)
-{
-#if 0
- if (strcmp(g->text_string, "ot") == 0) {
- stop();
- }
-#endif
- if (! check_able_to_use_table(g)) {
- char *postword=html_position_text(g, left_margin_indent, right_margin_indent);
-
- if (! header.written_header) {
- if (g->is_raw_command) {
- html.put_string((char *)g->text_string);
- } else {
- translate_to_html(g);
- }
- if (postword != 0) {
- html.put_string(postword);
- }
- need_one_newline = TRUE;
- issued_newline = FALSE;
- }
- }
-}
-
-void html_printer::troff_display_word (text_glob *g)
-{
- troff_position_text(g);
- if (g->is_raw_command) {
- int l=strlen((char *)g->text_string);
- if (l == 1) {
- troff.put_string("c");
- troff.put_string((char *)g->text_string);
- troff.put_string("\n");
- } else if (l > 1) {
- troff.put_string("C");
- troff.put_troffps_char((char *)g->text_string);
- troff.put_string("\n");
- }
- } else {
- troff_position_text(g);
- troff.put_string("t");
- troff.put_translated_string((const char *)g->text_string);
- troff.put_string("\n");
- }
-}
-
-void html_printer::display_word (text_glob *g, int is_to_html)
-{
- if (is_to_html) {
- html_display_word(g);
- } else if ((g->is_raw_command) && (g->is_html_command)) {
- // found a raw html command inside a graphic glob.
- // We should emit the command to the html device, but of course we
- // cannot place it correctly as we are dealing with troff words.
- // Remember output_vpos will refer to troff and not html.
- html.put_string((char *)g->text_string);
- } else {
- troff_display_word(g);
- }
-}
-
-/*
- * translate_to_html - translates a textual string into html text
- */
-
-void html_printer::translate_to_html (text_glob *g)
-{
- char buf[MAX_STRING_LENGTH];
-
- str_translate_to_html(g->text_style.f, buf, MAX_STRING_LENGTH,
- g->text_string, g->text_length, TRUE);
- html.put_string(buf);
-}
-
-/*
- * html_knows_about - given a character name, troff, return TRUE
- * if we know how to display this character using
- * html unicode.
- */
-
-int html_printer::html_knows_about (char *troff)
-{
- // --fixme-- needs to have similar code as above
- return( FALSE );
-}
-
-/*
- * display_fill - generates a troff format fill command
- */
-
-void html_printer::display_fill (graphic_glob *g)
-{
- troff.put_string("Df ") ;
- troff.put_number(g->fill);
- troff.put_string(" 0\n");
-}
-
-/*
- * display_line - displays a line using troff format
- */
-
-void html_printer::display_line (graphic_glob *g, int is_to_html)
-{
- if (is_to_html) {
- fatal("cannot emit lines in html");
- }
- if (g->code == 'l') {
- // straight line
-
- troff.put_string("V");
- troff.put_number(gs_y(g->point[0].y));
- troff.put_string("\n");
-
- troff.put_string("H");
- troff.put_number(gs_x(g->point[0].x));
- troff.put_string("\n");
-
- display_fill(g);
-
- troff.put_string("Dl ");
- troff.put_number((g->point[1].x-g->point[0].x)*postscript_res/font::res);
- troff.put_string(" ");
- troff.put_number((g->point[1].y-g->point[0].y)*postscript_res/font::res);
- troff.put_string("\n");
- // printf("line %c %d %d %d %d size %d\n", (char)g->code, g->point[0].x, g->point[0].y,
- // g->point[1].x, g->point[1].y, g->size);
- } else if ((g->code == 'c') || (g->code == 'C')) {
- // circle
-
- int xradius = (g->maxh - g->minh) / 2;
- int yradius = (g->maxv - g->minv) / 2;
- // center of circle or elipse
-
- troff.put_string("V");
- troff.put_number(gs_y(g->minv+yradius));
- troff.put_string("\n");
-
- troff.put_string("H");
- troff.put_number(gs_x(g->minh));
- troff.put_string("\n");
-
- display_fill(g);
-
- if (g->code == 'c') {
- troff.put_string("Dc ");
- } else {
- troff.put_string("DC ");
- }
-
- troff.put_number(xradius*2*postscript_res/font::res);
- troff.put_string("\n");
-
- } else if ((g->code == 'e') || (g->code == 'E')) {
- // ellipse
-
- int xradius = (g->maxh - g->minh) / 2;
- int yradius = (g->maxv - g->minv) / 2;
- // center of elipse - this is untested
-
- troff.put_string("V");
- troff.put_number(gs_y(g->minv+yradius));
- troff.put_string("\n");
-
- troff.put_string("H");
- troff.put_number(gs_x(g->minh));
- troff.put_string("\n");
-
- display_fill(g);
-
- if (g->code == 'e') {
- troff.put_string("De ");
- } else {
- troff.put_string("DE ");
- }
-
- troff.put_number(xradius*2*postscript_res/font::res);
- troff.put_string(" ");
- troff.put_number(yradius*2*postscript_res/font::res);
- troff.put_string("\n");
- } else if ((g->code == 'p') || (g->code == 'P')) {
- // polygon
- troff.put_string("V");
- troff.put_number(gs_y(g->yc));
- troff.put_string("\n");
-
- troff.put_string("H");
- troff.put_number(gs_x(g->xc));
- troff.put_string("\n");
-
- display_fill(g);
-
- if (g->code == 'p') {
- troff.put_string("Dp");
- } else {
- troff.put_string("DP");
- }
-
- int i;
- int xc=g->xc;
- int yc=g->yc;
- for (i=0; inopoints; i++) {
- troff.put_string(" ");
- troff.put_number((g->point[i].x-xc)*postscript_res/font::res);
- troff.put_string(" ");
- troff.put_number((g->point[i].y-yc)*postscript_res/font::res);
- xc = g->point[i].x;
- yc = g->point[i].y;
- }
- troff.put_string("\n");
- } else if (g->code == 'a') {
- // arc
- troff.put_string("V");
- troff.put_number(gs_y(g->yc));
- troff.put_string("\n");
-
- troff.put_string("H");
- troff.put_number(gs_x(g->xc));
- troff.put_string("\n");
-
- display_fill(g);
-
- troff.put_string("Da");
-
- int i;
-
- for (i=0; inopoints; i++) {
- troff.put_string(" ");
- troff.put_number(g->point[i].x*postscript_res/font::res);
- troff.put_string(" ");
- troff.put_number(g->point[i].y*postscript_res/font::res);
- }
- troff.put_string("\n");
- } else if (g->code == '~') {
- // spline
- troff.put_string("V");
- troff.put_number(gs_y(g->yc));
- troff.put_string("\n");
-
- troff.put_string("H");
- troff.put_number(gs_x(g->xc));
- troff.put_string("\n");
-
- display_fill(g);
-
- troff.put_string("D~");
-
- int i;
- int xc=g->xc;
- int yc=g->yc;
- for (i=0; inopoints; i++) {
- troff.put_string(" ");
- troff.put_number((g->point[i].x-xc)*postscript_res/font::res);
- troff.put_string(" ");
- troff.put_number((g->point[i].y-yc)*postscript_res/font::res);
- xc = g->point[i].x;
- yc = g->point[i].y;
- }
- troff.put_string("\n");
- }
-}
-
-
-/*
- * flush_sbuf - flushes the current sbuf into the list of glyphs.
- */
-
-void html_printer::flush_sbuf()
-{
- if (sbuf_len > 0) {
- int r=font::res; // resolution of the device
- set_style(sbuf_style);
-
- page_contents->add(&sbuf_style, sbuf, sbuf_len,
- sbuf_vpos-sbuf_style.point_size*r/72, sbuf_start_hpos,
- sbuf_vpos , sbuf_end_hpos);
-
- output_hpos = sbuf_end_hpos;
- output_vpos = sbuf_vpos;
- sbuf_len = 0;
- sbuf_dmark_hpos = -1;
- }
-}
-
-
-void html_printer::set_line_thickness(const environment *env)
-{
- line_thickness = env->size;
- printf("line thickness = %d\n", line_thickness);
-}
-
-void html_printer::draw(int code, int *p, int np, const environment *env)
-{
- switch (code) {
-
- case 'l':
- if (np == 2) {
- page_contents->add_line(code,
- env->hpos, env->vpos, env->hpos+p[0], env->vpos+p[1],
- env->size, fill);
- } else {
- error("2 arguments required for line");
- }
- break;
- case 't':
- {
- if (np == 0) {
- line_thickness = -1;
- } else {
- // troff gratuitously adds an extra 0
- if (np != 1 && np != 2) {
- error("0 or 1 argument required for thickness");
- break;
- }
- line_thickness = p[0];
- }
- break;
- }
-
- case 'P':
- // fall through
- case 'p':
- {
- if (np & 1) {
- error("even number of arguments required for polygon");
- break;
- }
- if (np == 0) {
- error("no arguments for polygon");
- break;
- }
- // firstly lets add our current position to polygon
- int oh=env->hpos;
- int ov=env->vpos;
- int i=0;
-
- while (iadd_polygon(code, np, p, env->hpos, env->vpos, env->size, fill);
- }
- break;
- case 'E':
- // fall through
- case 'e':
- if (np != 2) {
- error("2 arguments required for ellipse");
- break;
- }
- page_contents->add_line(code,
- env->hpos, env->vpos-p[1]/2, env->hpos+p[0], env->vpos+p[1]/2,
- env->size, fill);
-
- break;
- case 'C':
- // fill circle
-
- case 'c':
- {
- // troff adds an extra argument to C
- if (np != 1 && !(code == 'C' && np == 2)) {
- error("1 argument required for circle");
- break;
- }
- page_contents->add_line(code,
- env->hpos, env->vpos-p[0]/2, env->hpos+p[0], env->vpos+p[0]/2,
- env->size, fill);
- }
- break;
- case 'a':
- {
- if (np == 4) {
- double c[2];
-
- if (adjust_arc_center(p, c)) {
- page_contents->add_arc('a', env->hpos, env->vpos, p, c, env->size, fill);
- } else {
- // a straignt line
- page_contents->add_line('l', env->hpos, env->vpos, p[0]+p[2], p[1]+p[3], env->size, fill);
- }
- } else {
- error("4 arguments required for arc");
- }
- }
- break;
- case '~':
- {
- if (np & 1) {
- error("even number of arguments required for spline");
- break;
- }
- if (np == 0) {
- error("no arguments for spline");
- break;
- }
- // firstly lets add our current position to spline
- int oh=env->hpos;
- int ov=env->vpos;
- int i=0;
-
- while (iadd_spline('~', env->hpos, env->vpos, np, p, env->size, fill);
- }
- break;
- case 'f':
- {
- if (np != 1 && np != 2) {
- error("1 argument required for fill");
- break;
- }
- fill = p[0];
- if (fill < 0 || fill > FILL_MAX) {
- // This means fill with the current color.
- fill = FILL_MAX + 1;
- }
- break;
- }
-
- default:
- error("unrecognised drawing command `%1'", char(code));
- break;
- }
-}
-
-
-void html_printer::begin_page(int n)
-{
- page_number = n;
- html.begin_comment("Page: ").comment_arg(i_to_a(page_number)).end_comment();;
- no_of_printed_pages++;
-
- output_style.f = 0;
- output_space_code = 32;
- output_draw_point_size = -1;
- output_line_thickness = -1;
- output_hpos = -1;
- output_vpos = -1;
-}
-
-void testing (text_glob *g) {}
-
-void html_printer::flush_graphic (void)
-{
- graphic_glob g;
-
- graphic_level = 0;
- page_contents->is_in_graphic = FALSE;
-
- g.minv = -1;
- g.maxv = -1;
- calculate_region_range(&g);
- if (g.minv != -1) {
- page_contents->make_new_region(&g);
- }
- move_region_to_page();
-}
-
-void html_printer::end_page(int)
-{
- flush_sbuf();
- flush_graphic();
- flush_page();
-}
-
-font *html_printer::make_font(const char *nm)
-{
- return html_font::load_html_font(nm);
-}
-
-html_printer::~html_printer()
-{
- if (fseek(tempfp, 0L, 0) < 0)
- fatal("fseek on temporary file failed");
- html.set_file(stdout);
- fputs("\n", stdout);
- fputs("\n", stdout);
- fputs("\n", stdout);
- write_title(TRUE);
- fputs("\n", stdout);
- fputs("\n", stdout);
- write_title(FALSE);
- header.write_headings(stdout);
- {
- extern const char *Version_string;
- html.begin_comment("Creator : ")
- .comment_arg("groff ")
- .comment_arg("version ")
- .comment_arg(Version_string)
- .end_comment();
- }
- {
-#ifdef LONG_FOR_TIME_T
- long
-#else
- time_t
-#endif
- t = time(0);
- html.begin_comment("CreationDate: ")
- .comment_arg(ctime(&t))
- .end_comment();
- }
- html.begin_comment("Total number of pages: ").comment_arg(i_to_a(no_of_printed_pages)).end_comment();
- html.end_line();
- html.copy_file(tempfp);
- fputs("\n", stdout);
- fputs("\n", stdout);
- fclose(tempfp);
-}
-
-
-/*
- * calculate_region_range - calculates the vertical range for words and lines
- * within the region lists.
- */
-
-void html_printer::calculate_region_range (graphic_glob *r)
-{
- text_glob *w;
- graphic_glob *g;
-
- if (! page_contents->region_lines.is_empty()) {
- page_contents->region_lines.start_from_head();
- do {
- g = page_contents->region_lines.get_data();
- if ((r->minv == -1) || (g->minv < r->minv)) {
- r->minv = g->minv;
- }
- if ((r->maxv == -1) || (g->maxv > r->maxv)) {
- r->maxv = g->maxv;
- }
- page_contents->region_lines.move_right();
- } while (! page_contents->region_lines.is_equal_to_head());
- }
- if (! page_contents->region_words.is_empty()) {
- page_contents->region_words.start_from_head();
- do {
- w = page_contents->region_words.get_data();
-
- if ((r->minv == -1) || (w->minv < r->minv)) {
- r->minv = w->minv;
- }
- if ((r->maxv == -1) || (w->maxv > r->maxv)) {
- r->maxv = w->maxv;
- }
- page_contents->region_words.move_right();
- } while (! page_contents->region_words.is_equal_to_head());
- }
-}
-
-
-/*
- * move_region_to_page - moves lines and words held in the temporary region
- * list to the page list.
- */
-
-void html_printer::move_region_to_page (void)
-{
- text_glob *w;
- graphic_glob *g;
-
- page_contents->region_lines.start_from_head();
- while (! page_contents->region_lines.is_empty()) {
- g = page_contents->region_lines.get_data(); // remove from our temporary region list
- page_contents->lines.add(g); // and add to the page list
- page_contents->region_lines.sub_move_right();
- }
- page_contents->region_words.start_from_head();
- while (! page_contents->region_words.is_empty()) {
- w = page_contents->region_words.get_data(); // remove from our temporary region list
- page_contents->words.add(w); // and add to the page list
- page_contents->region_words.sub_move_right();
- }
-}
-
-/*
- * is_graphic_start - returns TRUE if the start of table, pic, eqn was seen.
- */
-
-int is_graphic_start (char *s)
-{
- return( (strcmp(s, "graphic-start") == 0) ||
- ((strcmp(s, "table-start") == 0) && (table_image_on)) );
-}
-
-/*
- * is_graphic_end - return TRUE if the end of a table, pic, eqn was seen.
- */
-
-int is_graphic_end (char *s)
-{
- return( (strcmp(s, "graphic-end") == 0) ||
- ((strcmp(s, "table-end") == 0) && (table_image_on)) );
-}
-
-/*
- * special - handle all x X requests from troff. For grohtml they allow users
- * to pass raw html commands, turn auto linked headings off/on and
- * also allow tbl, eqn & pic say what commands they have generated.
- */
-
-void html_printer::special(char *s, const environment *env, char type)
-{
- if (type == 'p')
- return;
- if (s != 0) {
- if (is_graphic_start(s)) {
- graphic_level++;
- if (graphic_level == 1) {
- page_contents->is_in_graphic = TRUE; // add words and lines to temporary region lists
- }
- } else if (is_graphic_end(s) && (graphic_level > 0)) {
- graphic_level--;
- if (graphic_level == 0) {
- flush_graphic();
- }
- } else if (strncmp(s, "html:", 5) == 0) {
- int r=font::res; // resolution of the device
- char buf[MAX_STRING_LENGTH];
- font *f=sbuf_style.f;
-
- if (f == NULL) {
- int found=FALSE;
-
- f = font::load_font("TR", &found);
- }
- str_translate_to_html(f, buf, MAX_STRING_LENGTH,
- &s[5], strlen(s)-5, FALSE);
- page_contents->add_html_command(&sbuf_style, buf, strlen(buf),
-
- // need to pass rest of string through to html output during flush
-
- env->vpos-env->size*r/72, env->hpos,
- env->vpos , env->hpos);
- // assume that the html command has no width, if it does then we hopefully troff
- // will have fudged this in a macro and requested that the formatting move right by
- // the appropriate width
- } else if (strncmp(s, "index:", 6) == 0) {
- cutoff_heading = atoi(&s[6]);
- }
- }
-}
-
-void set_image_type (char *type)
-{
- if (strcmp(type, "gif") == 0) {
- image_type = gif;
- } else if (strcmp(type, "png") == 0) {
- image_type = png;
- image_device = "png256";
- } else if (strncmp(type, "png", 3) == 0) {
- image_type = png;
- image_device = type;
- }
-}
-
-printer *make_printer()
-{
- return new html_printer;
-}
-
-static void usage(FILE *stream);
-
-int main(int argc, char **argv)
-{
- program_name = argv[0];
- static char stderr_buf[BUFSIZ];
- setbuf(stderr, stderr_buf);
- int c;
- static const struct option long_options[] = {
- { "help", no_argument, 0, CHAR_MAX + 1 },
- { "version", no_argument, 0, 'v' },
- { NULL, 0, 0, 0 }
- };
- while ((c = getopt_long(argc, argv, "F:atTvdgmx?I:r:", long_options, NULL))
- != EOF)
- switch(c) {
- case 'v':
- {
- extern const char *Version_string;
- printf("GNU grohtml (groff) version %s\n", Version_string);
- exit(0);
- break;
- }
- case 'a':
- auto_on = FALSE;
- break;
- case 't':
- table_on = FALSE;
- break;
- case 'T':
- table_image_on = FALSE;
- break;
- case 'F':
- font::command_line_font_dir(optarg);
- break;
- case 'I':
- // user specifying the type of images we should generate
- set_image_type(optarg);
- break;
- case 'r':
- // resolution (dots per inch for an image)
- image_res = atoi(optarg);
- break;
- case 'd':
- // debugging on
- debug_on = TRUE;
- break;
- case 'x':
- debug_table_on = TRUE;
- break;
- case 'g':
- // do not guess title and headings
- guess_on = FALSE;
- break;
- case 'm':
- // leave margins alone
- margin_on = TRUE;
- break;
- case CHAR_MAX + 1: // --help
- usage(stdout);
- exit(0);
- break;
- case '?':
- usage(stderr);
- exit(1);
- break;
- default:
- assert(0);
- }
- if (optind >= argc) {
- do_file("-");
- } else {
- for (int i = optind; i < argc; i++)
- do_file(argv[i]);
- }
- delete pr;
- return 0;
-}
-
-static void usage(FILE *stream)
-{
- fprintf(stream, "usage: %s [-avdgmt?] [-r resolution] [-F dir] [-I imagetype] [files ...]\n",
- program_name);
-}
diff --git a/src/devices/grohtml-old/html.h b/src/devices/grohtml-old/html.h
deleted file mode 100755
index d2c67530..00000000
--- a/src/devices/grohtml-old/html.h
+++ /dev/null
@@ -1,57 +0,0 @@
-// -*- C++ -*-
-/* Copyright (C) 2000 Free Software Foundation, Inc.
- Written by James Clark (jjc@jclark.com)
-
-This file is part of groff.
-
-groff is free software; you can redistribute it and/or modify it under
-the terms of the GNU General Public License as published by the Free
-Software Foundation; either version 2, or (at your option) any later
-version.
-
-groff is distributed in the hope that it will be useful, but WITHOUT ANY
-WARRANTY; without even the implied warranty of MERCHANTABILITY or
-FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
-for more details.
-
-You should have received a copy of the GNU General Public License along
-with groff; see the file COPYING. If not, write to the Free Software
-Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
-
-class simple_output {
-public:
- simple_output(FILE *, int max_line_length);
- simple_output &put_string(const char *, int);
- simple_output &put_string(const char *s);
- simple_output &put_troffps_char (const char *s);
- simple_output &put_translated_string(const char *s);
- simple_output &put_number(int);
- simple_output &put_float(double);
- simple_output &put_symbol(const char *);
- simple_output &put_literal_symbol(const char *);
- simple_output &set_fixed_point(int);
- simple_output &simple_comment(const char *);
- simple_output &begin_comment(const char *);
- simple_output &comment_arg(const char *);
- simple_output &end_comment();
- simple_output &set_file(FILE *);
- simple_output &include_file(FILE *);
- simple_output ©_file(FILE *);
- simple_output &end_line();
- simple_output &put_raw_char(char);
- simple_output &special(const char *);
- simple_output &put_html_char (char);
- FILE *get_file();
-private:
- FILE *fp;
- int max_line_length; // not including newline
- int col;
- int need_space;
- int fixed_point;
-};
-
-inline FILE *simple_output::get_file()
-{
- return fp;
-}
-
diff --git a/src/devices/grohtml-old/html_chars.h b/src/devices/grohtml-old/html_chars.h
deleted file mode 100755
index 76f094c8..00000000
--- a/src/devices/grohtml-old/html_chars.h
+++ /dev/null
@@ -1,27 +0,0 @@
-// -*- C++ -*-
-/* Copyright (C) 2000 Free Software Foundation, Inc.
- *
- * Gaius Mulley (gaius@glam.ac.uk) wrote output.cc
- * but it owes a huge amount of ideas and raw code from
- * James Clark (jjc@jclark.com) grops/ps.cc.
- *
- * html_chars.h
- *
- * provides a diacritical character combination table for html
- */
-
-
-
-struct diacritical_desc {
- char *mark;
- char *second_troff_char;
- char translation;
-};
-
-
-static struct diacritical_desc diacritical_table[] = {
- { "ad" , "aeiouyAEIOU" , ':' , }, /* */
- { "ac" , "cC" , ',' , }, /* cedilla */
- { "aa" , "aeiouyAEIOU" , '\'' , }, /* acute */
- { NULL , NULL , (char)0, },
-};
diff --git a/src/devices/grohtml-old/ordered_list.h b/src/devices/grohtml-old/ordered_list.h
deleted file mode 100755
index b86ad9f0..00000000
--- a/src/devices/grohtml-old/ordered_list.h
+++ /dev/null
@@ -1,193 +0,0 @@
-/*
- * Copyright (C) 1999, 2000 Free Software Foundation, Inc.
- *
- * Ordered list, a template module for simple ordered list manipulation.
- *
- * Gaius Mulley (gaius@glam.ac.uk)
- */
-
-template class list_element
-{
- public:
- list_element *right;
- list_element *left;
-
- list_element (T *in);
- T *data;
-};
-
-template class ordered_list
-{
- private:
- list_element *head;
- list_element *tail;
- list_element *ptr;
- public:
- ordered_list (void);
- ~ ordered_list (void);
- void add (T* in);
- void sub_move_right (void);
- void move_right (void);
- void move_left (void);
- int is_empty (void);
- int is_equal_to_tail (void);
- int is_equal_to_head (void);
- void start_from_head (void);
- void start_from_tail (void);
- T *move_right_get_data (void);
- T *move_left_get_data (void);
- T *get_data (void);
-};
-
-
-template ordered_list::ordered_list()
- : head(0), tail(0), ptr(0)
-{
-}
-
-template ordered_list::~ordered_list()
-{
- list_element *temp=head;
-
- do {
- temp = head;
- if (temp != 0) {
- head = head->right;
- delete temp;
- }
- } while ((head != 0) && (head != tail));
-}
-
-template list_element::list_element(T *in)
- : right(0), left(0)
-{
- data = in;
-}
-
-template void ordered_list::add(T *in)
-{
- list_element *t = new list_element(in); // create a new list element with data field initialized
- list_element *last;
-
- if (in == 0) {
- fatal("cannot add NULL to ordered list");
- }
-
- if (head == 0) {
- head = t;
- tail = t;
- t->left = t;
- t->right = t;
- } else {
- last = tail;
-
- while ((last != head) && (in->is_less(in, last->data))) {
- last = last->left;
- }
-
- if (in->is_less(in, last->data)) {
- t->right = last;
- last->left->right = t;
- t->left = last->left;
- last->left = t;
- // now check for a new head
- if (last == head) {
- head = t;
- }
- } else {
- // add t onto beyond last
- t->right = last->right;
- t->left = last;
- last->right->left = t;
- last->right = t;
- // now check for a new tail
- if (last == tail) {
- tail = t;
- }
- }
- }
-}
-
-template void ordered_list::sub_move_right (void)
-{
- list_element *t=ptr->right;
-
- if (head == tail) {
- head = 0;
- if (tail != 0) {
- delete tail;
- }
- tail = 0;
- ptr = 0;
- } else {
- if (head == ptr) {
- head = head->right;
- }
- if (tail == ptr) {
- tail = tail->left;
- }
- ptr->left->right = ptr->right;
- ptr->right->left = ptr->left;
- ptr=t;
- }
-}
-
-template void ordered_list::start_from_head (void)
-{
- ptr = head;
-}
-
-template void ordered_list::start_from_tail (void)
-{
- ptr = tail;
-}
-
-template int ordered_list::is_empty (void)
-{
- return( head == 0 );
-}
-
-template int ordered_list::is_equal_to_tail (void)
-{
- return( ptr == tail );
-}
-
-template int ordered_list::is_equal_to_head (void)
-{
- return( ptr == head );
-}
-
-template void ordered_list::move_left (void)
-{
- ptr = ptr->left;
-}
-
-template void ordered_list::move_right (void)
-{
- ptr = ptr->right;
-}
-
-template T* ordered_list::get_data (void)
-{
- return( ptr->data );
-}
-
-template T* ordered_list::move_right_get_data (void)
-{
- ptr = ptr->right;
- if (ptr == head) {
- return( 0 );
- } else {
- return( ptr->data );
- }
-}
-
-template T* ordered_list::move_left_get_data (void)
-{
- ptr = ptr->left;
- if (ptr == tail) {
- return( 0 );
- } else {
- return( ptr->data );
- }
-}
diff --git a/src/devices/grohtml-old/output.cc b/src/devices/grohtml-old/output.cc
deleted file mode 100755
index d6dc1884..00000000
--- a/src/devices/grohtml-old/output.cc
+++ /dev/null
@@ -1,257 +0,0 @@
-// -*- C++ -*-
-/* Copyright (C) 2000 Free Software Foundation, Inc.
- *
- * Gaius Mulley (gaius@glam.ac.uk) wrote output.cc
- * but it owes a huge amount of ideas and raw code from
- * James Clark (jjc@jclark.com) grops/ps.cc.
- *
- * output.cc
- *
- * provide the simple low level output routines needed by html.cc
- */
-
-/*
-This file is part of groff.
-
-groff is free software; you can redistribute it and/or modify it under
-the terms of the GNU General Public License as published by the Free
-Software Foundation; either version 2, or (at your option) any later
-version.
-
-groff is distributed in the hope that it will be useful, but WITHOUT ANY
-WARRANTY; without even the implied warranty of MERCHANTABILITY or
-FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
-for more details.
-
-You should have received a copy of the GNU General Public License along
-with groff; see the file COPYING. If not, write to the Free Software
-Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
-
-#include "driver.h"
-#include "stringclass.h"
-#include "cset.h"
-
-#include
-#include "html.h"
-
-#ifdef HAVE_UNISTD_H
-#include
-#endif
-
-#if !defined(TRUE)
-# define TRUE (1==1)
-#endif
-#if !defined(FALSE)
-# define FALSE (1==0)
-#endif
-
-
-/*
- * the classes and methods for simple_output manipulation
- */
-
-simple_output::simple_output(FILE *f, int n)
-: fp(f), max_line_length(n), col(0), need_space(0), fixed_point(0)
-{
-}
-
-simple_output &simple_output::set_file(FILE *f)
-{
- fp = f;
- col = 0;
- return *this;
-}
-
-simple_output &simple_output::copy_file(FILE *infp)
-{
- int c;
- while ((c = getc(infp)) != EOF)
- putc(c, fp);
- return *this;
-}
-
-simple_output &simple_output::end_line()
-{
- if (col != 0) {
- putc('\n', fp);
- col = 0;
- need_space = 0;
- }
- return *this;
-}
-
-simple_output &simple_output::special(const char *s)
-{
- return *this;
-}
-
-simple_output &simple_output::simple_comment(const char *s)
-{
- if (col != 0)
- putc('\n', fp);
- fputs("\n", fp);
- col = 0;
- need_space = 0;
- return *this;
-}
-
-simple_output &simple_output::begin_comment(const char *s)
-{
- if (col != 0)
- putc('\n', fp);
- fputs("\n", fp);
- col = 0;
- need_space = 0;
- return *this;
-}
-
-simple_output &simple_output::comment_arg(const char *s)
-{
- int len = strlen(s);
-
- if (col + len + 1 > max_line_length) {
- fputs("\n ", fp);
- col = 1;
- }
- fputs(s, fp);
- col += len + 1;
- return *this;
-}
-
-simple_output &simple_output::set_fixed_point(int n)
-{
- assert(n >= 0 && n <= 10);
- fixed_point = n;
- return *this;
-}
-
-simple_output &simple_output::put_raw_char(char c)
-{
- putc(c, fp);
- col++;
- need_space = 0;
- return *this;
-}
-
-simple_output &simple_output::put_string(const char *s, int n)
-{
- int i=0;
-
- while (i 0)
@@ -2096,7 +2096,7 @@ void environment::add_html_tag(const char *name, int i)
* add_html_tag_tabs - emits the tab settings for post-grohtml
*/
-void environment::add_html_tag_tabs(void)
+void environment::add_html_tag_tabs()
{
if (is_html) {
/*
diff --git a/src/roff/troff/env.h b/src/roff/troff/env.h
index 3e0f70c1..256db512 100644
--- a/src/roff/troff/env.h
+++ b/src/roff/troff/env.h
@@ -277,10 +277,10 @@ public:
void possibly_break_line(int start_here = 0, int forced = 0);
void do_break(); // .br
void final_break();
- void add_html_tag_eol(void);
+ void add_html_tag_eol();
void add_html_tag(const char *);
void add_html_tag(const char *, int);
- void add_html_tag_tabs(void);
+ void add_html_tag_tabs();
void newline();
void handle_tab(int is_leader = 0); // do a tab or leader
void add_node(node *);
diff --git a/src/roff/troff/troff.man b/src/roff/troff/troff.man
index 5a205810..7fe052b4 100644
--- a/src/roff/troff/troff.man
+++ b/src/roff/troff/troff.man
@@ -173,7 +173,7 @@ It will be first searched for in directories given with the
.B \-M
command line option, then in directories given
in the
-.B GROFF_MACRO_PATH
+.B GROFF_TMAC_PATH
environment variable, then in the current directory (only if in unsafe
mode), the home directory, @SYSTEMMACRODIR@, @LOCALMACRODIR@, and
@MACRODIR@.
@@ -2437,7 +2437,7 @@ option is given).
Use the
.B \-M
command line option or the
-.B GROFF_MACRO_PATH
+.B GROFF_TMAC_PATH
environment variable to add these directories to the search path if
necessary.
.
diff --git a/test-groff b/test-groff
index 5d8da65d..16205be3 100644
--- a/test-groff
+++ b/test-groff
@@ -26,7 +26,6 @@ $builddir/devices/grotty:\
$builddir/devices/grolj4:\
$builddir/devices/grolbp:\
$builddir/devices/grohtml:\
-$builddir/devices/grohtml-old:\
$srcdir/$builddir/xditview:\
$PATH
diff --git a/tmac/Makefile.sub b/tmac/Makefile.sub
index db9bad27..ba5718b1 100644
--- a/tmac/Makefile.sub
+++ b/tmac/Makefile.sub
@@ -20,7 +20,7 @@ NORMALFILES=\
tty.tmac tty-char.tmac latin1.tmac \
X.tmac Xps.tmac \
lj4.tmac \
- html.tmac html-old.tmac mwww.tmac www.tmac \
+ html.tmac mwww.tmac www.tmac \
eqnrc \
troffrc troffrc-end \
hyphen.us
diff --git a/tmac/an-old.tmac b/tmac/an-old.tmac
index 9452f50e..9ef041f9 100644
--- a/tmac/an-old.tmac
+++ b/tmac/an-old.tmac
@@ -1,6 +1,6 @@
.\" an-old.tmac
.\"
-.\" Copyright (C) 1989, 1990, 1991, 1992 Free Software Foundation, Inc.
+.\" Copyright (C) 1989, 1990, 1991, 1992, 2001 Free Software Foundation, Inc.
.\" Written by James Clark (jjc@jclark.com)
.\"
.\" This file is part of groff.
@@ -52,13 +52,9 @@
. el .nr cR 0
.\}
.
-.\" compute the value of '\*(.T'html':'\*(.T'html-old'
-.\" XXX: it would be nice to allow logical or with strings
-.
-.nr html-or-html-old 0
-.if '\*(.T'html-old' .nr html-or-html-old 1
-.if '\*(.T'html' .nr html-or-html-old 1
-.if \n[html-or-html-old] .nr C 1
+.nr an-html 0
+.if '\*(.T'html' .nr an-html 1
+.if \n[an-html] .nr C 1
.if r ps4html .nr C 1
.
.de set-an-margin
@@ -67,7 +63,7 @@
.
.\" .TH title section extra1 extra2 extra3
.de TH
-. if '\*(.T'html' \{\
+. if \\n[an-html] \{\
. HTML-TAG ".tl"
\\$1
. \}
@@ -112,8 +108,7 @@
. ps \\n[PS]u
. vs \\n[VS]u
.
-. ie '\*[.T]'html-old' .nr IN 1.2i
-. el .nr IN 7.2n
+. nr IN 7.2n
. PD
. nr SN 3n \" the indentation of sub-sub-headings relative to sub-headings
. nr an-level 1
@@ -153,7 +148,7 @@
. ev 1
. ps \\n[PS]u
. vs \\n[VS]u
-. ie \\n[html-or-html-old] \
+. ie \\n[an-html] \
. tl ''''
. el \{\
. if !\\n[cR] \
@@ -178,7 +173,7 @@
. ev 1
. ps \\n[PS]u
. vs \\n[VS]u
-. ie \\n[html-or-html-old] \{\
+. ie \\n[an-html] \{\
. ds an-page-string
. ds an-extra1
. ds an-extra2
@@ -282,7 +277,7 @@
. if \\n[.$] .nr an-prevailing-indent (n;\\$1)
. it 1 an-trap
. if !\\n[an-div?] .di an-div
-. ie \\n[html-or-html-old] .in \\n[an-margin]u
+. ie \\n[an-html] .in \\n[an-margin]u
. el \{\
. in 0
. ll -\\n[an-margin]u
@@ -473,7 +468,7 @@
.ds lq \(lq
.ds rq \(rq
.
-.if !\n[html-or-html-old] .hy 14
+.if !\n[an-html] .hy 14
.
.\" Load local modifications.
.mso man.local
diff --git a/tmac/eqnrc b/tmac/eqnrc
index 5b9598fa..cfdbf3f9 100644
--- a/tmac/eqnrc
+++ b/tmac/eqnrc
@@ -15,12 +15,11 @@ ifdef X100 ! define X %1% !
ifdef X75-12 ! define X %1% !
ifdef X100-12 ! define X %1% !
-ifdef ps ! define ps|X|html|html-old %1% !
-ifdef X ! define ps|X|html|html-old %1% !
-ifdef html ! define ps|X|html|html-old %1% !
-ifdef html-old ! define ps|X|html|html-old %1% !
+ifdef ps ! define ps|X|html %1% !
+ifdef X ! define ps|X|html %1% !
+ifdef html ! define ps|X|html %1% !
-ifdef ps|X|html|html-old ! sdefine inf %"\s[\En[.s]*13u/10u]\v'12M'\(if\v'-12M'\s0"% !
+ifdef ps|X|html ! sdefine inf %"\s[\En[.s]*13u/10u]\v'12M'\(if\v'-12M'\s0"% !
ifdef dvi !
sdefine int %{type "operator" vcenter \(is}%
@@ -48,7 +47,7 @@ set big_op_spacing5 10
ifdef X ! set axis_height 32 !
-ifdef ps|X|html|html-old ! set draw_lines 1 !
+ifdef ps|X|html ! set draw_lines 1 !
ifdef ascii ! define n %1% !
ifdef latin1 ! define n %1% !
@@ -59,6 +58,6 @@ set nroff 1
!
undef X
-undef ps|X|html|html-old
+undef ps|X|html
undef n
.EN
diff --git a/tmac/html-old.tmac b/tmac/html-old.tmac
deleted file mode 100755
index 662cf58f..00000000
--- a/tmac/html-old.tmac
+++ /dev/null
@@ -1,62 +0,0 @@
-.\" html-old.tmac
-.\"
-.nr _C \n(.C
-.cp 0
-.ftr CW CR
-.ftr C CR
-.ftr CO CI
-.ftr CX CBI
-.ftr H HR
-.ftr HO HI
-.ftr HX HBI
-.ftr NX NBI
-.char \(ru \D'l .5m 0'
-.char \(ul \v'.25m'\D'l .5m 0'\v'-.25m'
-.char \(br \v'.25m'\D'l 0 -1m'\v'.75m'
-.char \(rn \v'-.75m'\D'l .5m 0'\v'.75m'
-.\" .char ~ \v'-.55m'\\s[\\n(.s/2u]\v'.2m'\(ti\v'-.2m'\s0\v'.55m'
-.\" .char ^ \v'-.55m'\\s[\\n(.s/2u]\v'.3m'\(ha\v'-.3m'\s0\v'.55m'
-.if !c\(va .char \(va \o'\(ua\(da'
-.if !c\(em .char \(em --
-.if !c\(en .char \(en \-
-.if !c\(fi .char \(fi fi
-.if !c\(fl .char \(fl fl
-.if !c\(ff .char \(ff ff
-.if !c\(Fi .char \(Fi ffi
-.if !c\(Fl .char \(Fl ffl
-.if !c\(ci .char \(ci \v'-.25m'\h'.05m'\D'c .5m'\h'.05m'\v'.25m'
-.if !c\(sq .char \(sq \h'.05m'\D'l .5m 0'\D'l 0 -.5m'\D'l -.5m 0'\D'l 0 .5m'\h'.55m'
-.if !c\(ga .char \(ga \Z'\v'-.7m'\D'l .22m .18m''\h'.33m'
-.if !c\(dg .char \(dg \Z'\h'.25m'\v'.15m'\D'l 0 -.8m'\v'.2m'\h'-.195m'\
-\D'l .39m 0''\h'.5m'
-.if !c\(dd .char \(dd \Z'\h'.25m'\v'.15m'\D'l 0 -.8m'\v'.2m'\h'-.195m'\
-\D'l .39m 0'\v'.4m'\D'l -.39m 0''\h'.5m'
-.if !c\(lq .char \(lq ``
-.if !c\(rq .char \(rq ''
-.if !c\(Bq .char \(bq ,,
-.if !c\(OE .char \(OE O\h'-.25m'E
-.if !c\(oe .char \(oe o\h'-.14m'e
-.if !c\(ah .char \(ah \v'-.55m'\s[\En[.s]/2u]v\s0\v'.55m'
-.if !c\(ao .char \(ao \v'-.55m'\s[\En[.s]*6u/10u]\D'c .25m'\s0\v'.55m'
-.if !c\(ho .char \(ho \s[\En[.s]/2u]\v'.4m'c\v'-.4m'\s0
-.if !c\(lh .char \(lh <-
-.if !c\(rh .char \(rh ->
-.if !c\(bq .tr \(bq,
-.if !c\(aq .tr \(aq'
-.if '\*(.T'html-old' .char \[radicalex] \h'-\w'\(sr'u'\[radicalex]\h'\w'\(sr'u'
-.if !\n(_C .mso pspic.tmac
-.cp \n(_C
-.\" now turn off all headers and footers for ms, me and mm macro sets
-.if d EF .EF '''
-.if d EH .EH '''
-.if d OF .OF '''
-.if d OH .OH '''
-.if d ef .ef '''
-.if d of .of '''
-.if d oh .oh '''
-.if d eh .eh '''
-.\" it doesn't make sense to use hyphenation with html-old, so we turn it off.
-.hy 0
-.nr HY 0
-.\" avoid line breaks after hyphen-like characters.
-.cflags 0 -\(hy\(em\(en\[shc]
diff --git a/tmac/troffrc b/tmac/troffrc
index 9e71e774..c4cfa20f 100644
--- a/tmac/troffrc
+++ b/tmac/troffrc
@@ -17,11 +17,10 @@
.do ds troffrc!lj4 lj4.tmac
.do ds troffrc!lbp lbp.tmac
.do ds troffrc!html www.tmac
-.do ds troffrc!html-old www.tmac
.do if d troffrc!\*[.T] \
. do mso \*[troffrc!\*[.T]]
.do rm troffrc!ps troffrc!Xps troffrc!dvi troffrc!X75 troffrc!X75-12 \
-troffrc!X100 troffrc!X100-12 troffrc!lj4 troff!lbp troffrc!html troffrc!html-old
+troffrc!X100 troffrc!X100-12 troffrc!lj4 troff!lbp troffrc!html
.ie '\*(.T'cp1047' .do tr \[char65]
.el .do tr \[char160]
.\" Set the hyphenation language to `us'.
diff --git a/tmac/troffrc-end b/tmac/troffrc-end
index 3f44ad6c..631f6b00 100644
--- a/tmac/troffrc-end
+++ b/tmac/troffrc-end
@@ -2,11 +2,10 @@
.\" final startup file for troff
.\" this file is parsed after all macro sets have been read
.\"
-.do if '\*(.T'html' .mso html.tmac
-.do if '\*(.T'html-old' .mso html-old.tmac
+.do if '\*(.T'html' .mso html.tmac
.\" if we are running the postscript device for html images then load -mwww
.\"
-.do if r ps4html .mso www.tmac
+.do if r ps4html .mso www.tmac
.\"
.\" for all other devices blank out these macros
.\"
diff --git a/tmac/www.tmac b/tmac/www.tmac
index bd015e07..8358c868 100644
--- a/tmac/www.tmac
+++ b/tmac/www.tmac
@@ -3,25 +3,22 @@
.\" A simple set of macros to provide HTML documents with basic
.\" www functionality. It will work with any macro set.
.\"
-.\" compute the value of '\*(.T'html-old':'\*(.T'html'
-.\" --fixme-- it would be nice to allow logical or with strings
.nr _C \n(.C
.cp 0
-.nr html-or-html-old 0
-.if '\*(.T'html-old' .nr html-or-html-old 1
-.if '\*(.T'html' .nr html-or-html-old 1
+.nr www-html 0
+.if '\*(.T'html' .nr www-html 1
.\"
.\"
.\"
.de HTML
-. if \\n[html-or-html-old] \{\
+. if \\n[www-html] \{\
.\" the following line makes the vertical mode leave, so to say
\&
\X^html:\\$*^
. \}
..
.de HTMLINDEX
-. if \\n[html-or-html-old] \X^index:\\$*^
+. if \\n[www-html] \X^index:\\$*^
..
.\"
.\" BODYCOLOR - $1 is foreground color
@@ -45,7 +42,7 @@
.\" $3 is optional stuff printed immediately after $3
.\"
.de URL
-. ie \\n[html-or-html-old] \{\
+. ie \\n[www-html] \{\
. HTML \\$1\\$3
. \}
. el \{\
@@ -57,7 +54,7 @@
.\" $2 is the ftp url
.\" $3 is optional stuff printed immediately after $2
.de FTP
-. ie \\n[html-or-html-old] \{\
+. ie \\n[www-html] \{\
. HTML \\$1\\$3
. \}
. el \{\
@@ -80,7 +77,7 @@
.\" force reset after a potential heading by performing some motion..
.\" how do we do this --fixme--
.\" \h'\w' ''\h'-\w' '' doesn't work..
-. ie \\n[html-or-html-old] \{\
+. ie \\n[www-html] \{\
. ie '\\$2'' \{\
. HTML "\\$1\\$3"
. \}
@@ -110,7 +107,7 @@
.\" $3 is the y width (default if absent is the x value)
.\"
.de IMAGE
-. ie \\n[html-or-html-old] \{\
+. ie \\n[www-html] \{\
. nr HTMLWIDTH 400
. if !'\\$2'' \{\
. nr HTMLWIDTH \\$2
@@ -130,7 +127,7 @@
..
.\" HTML-TAG - emit a tag for the new grohtml
.de HTML-TAG
-. if '\*(.T'html' \{\
+. if \\n[www-html] \{\
.\" the following line makes the vertical mode leave, so to say
\&
\X^html-tag:\\$*^
@@ -151,10 +148,11 @@
.\"
.\" supplimentary macros used by other macro sets
.\"
-.\" here are some tags specially for -Tps or -Thtml when invoked by pre-html to
-.\" generate png images from postscript.
+.\" here are some tags specially for -Tps or -Thtml when invoked by pre-html
+.\" to generate png images from postscript.
.\"
-.\" HTML-DO-IMAGE - tells troff to issue an image marker which can be read back by pre-html
+.\" HTML-DO-IMAGE - tells troff to issue an image marker which can be
+.\" read back by pre-html
.\"
.de HTML-DO-IMAGE
. if r ps4html .begin \{\
@@ -163,7 +161,7 @@
. tl ''''
\O0\O1
. \}
-. if '\*(.T'html' .begin \{
+. if \\n[www-html] .begin \{
. image \\$2 \\$1.png
\O0
. \}
@@ -173,7 +171,7 @@
.\"
.de HTML-IMAGE-END
. if r ps4html \O2\O1\O4
-. if '\*(.T'html' \O2\O1\O4
+. if \\n[www-html] \O2\O1\O4
..
.nr png-no 0
.\"
--
2.11.4.GIT