8647 loader should support large_dnode
[unleashed.git] / bin / mandoc / term_ascii.c
blobe819c0ef8a86ede20881f3b3a0e9cd84b13aef1a
1 /* $Id: term_ascii.c,v 1.58 2017/06/14 14:24:20 schwarze Exp $ */
2 /*
3 * Copyright (c) 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
4 * Copyright (c) 2014, 2015, 2017 Ingo Schwarze <schwarze@openbsd.org>
6 * Permission to use, copy, modify, and distribute this software for any
7 * purpose with or without fee is hereby granted, provided that the above
8 * copyright notice and this permission notice appear in all copies.
10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHORS DISCLAIM ALL WARRANTIES
11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
18 #include "config.h"
20 #include <sys/types.h>
22 #include <assert.h>
23 #if HAVE_WCHAR
24 #include <locale.h>
25 #endif
26 #include <stdint.h>
27 #include <stdio.h>
28 #include <stdlib.h>
29 #include <unistd.h>
30 #if HAVE_WCHAR
31 #include <wchar.h>
32 #endif
34 #include "mandoc.h"
35 #include "mandoc_aux.h"
36 #include "out.h"
37 #include "term.h"
38 #include "manconf.h"
39 #include "main.h"
41 static struct termp *ascii_init(enum termenc, const struct manoutput *);
42 static int ascii_hspan(const struct termp *,
43 const struct roffsu *);
44 static size_t ascii_width(const struct termp *, int);
45 static void ascii_advance(struct termp *, size_t);
46 static void ascii_begin(struct termp *);
47 static void ascii_end(struct termp *);
48 static void ascii_endline(struct termp *);
49 static void ascii_letter(struct termp *, int);
50 static void ascii_setwidth(struct termp *, int, int);
52 #if HAVE_WCHAR
53 static void locale_advance(struct termp *, size_t);
54 static void locale_endline(struct termp *);
55 static void locale_letter(struct termp *, int);
56 static size_t locale_width(const struct termp *, int);
57 #endif
60 static struct termp *
61 ascii_init(enum termenc enc, const struct manoutput *outopts)
63 #if HAVE_WCHAR
64 char *v;
65 #endif
66 struct termp *p;
68 p = mandoc_calloc(1, sizeof(*p));
69 p->tcol = p->tcols = mandoc_calloc(1, sizeof(*p->tcol));
70 p->maxtcol = 1;
72 p->line = 1;
73 p->defrmargin = p->lastrmargin = 78;
74 p->fontq = mandoc_reallocarray(NULL,
75 (p->fontsz = 8), sizeof(*p->fontq));
76 p->fontq[0] = p->fontl = TERMFONT_NONE;
78 p->begin = ascii_begin;
79 p->end = ascii_end;
80 p->hspan = ascii_hspan;
81 p->type = TERMTYPE_CHAR;
83 p->enc = TERMENC_ASCII;
84 p->advance = ascii_advance;
85 p->endline = ascii_endline;
86 p->letter = ascii_letter;
87 p->setwidth = ascii_setwidth;
88 p->width = ascii_width;
90 #if HAVE_WCHAR
91 if (TERMENC_ASCII != enc) {
94 * Do not change any of this to LC_ALL. It might break
95 * the formatting by subtly changing the behaviour of
96 * various functions, for example strftime(3). As a
97 * worst case, it might even cause buffer overflows.
100 v = TERMENC_LOCALE == enc ?
101 setlocale(LC_CTYPE, "") :
102 setlocale(LC_CTYPE, UTF8_LOCALE);
103 if (NULL != v && MB_CUR_MAX > 1) {
104 p->enc = enc;
105 p->advance = locale_advance;
106 p->endline = locale_endline;
107 p->letter = locale_letter;
108 p->width = locale_width;
111 #endif
113 if (outopts->mdoc) {
114 p->mdocstyle = 1;
115 p->defindent = 5;
117 if (outopts->indent)
118 p->defindent = outopts->indent;
119 if (outopts->width)
120 p->defrmargin = outopts->width;
121 if (outopts->synopsisonly)
122 p->synopsisonly = 1;
124 return p;
127 void *
128 ascii_alloc(const struct manoutput *outopts)
131 return ascii_init(TERMENC_ASCII, outopts);
134 void *
135 utf8_alloc(const struct manoutput *outopts)
138 return ascii_init(TERMENC_UTF8, outopts);
141 void *
142 locale_alloc(const struct manoutput *outopts)
145 return ascii_init(TERMENC_LOCALE, outopts);
148 static void
149 ascii_setwidth(struct termp *p, int iop, int width)
152 width /= 24;
153 p->tcol->rmargin = p->defrmargin;
154 if (iop > 0)
155 p->defrmargin += width;
156 else if (iop == 0)
157 p->defrmargin = width ? (size_t)width : p->lastrmargin;
158 else if (p->defrmargin > (size_t)width)
159 p->defrmargin -= width;
160 else
161 p->defrmargin = 0;
162 p->lastrmargin = p->tcol->rmargin;
163 p->tcol->rmargin = p->maxrmargin = p->defrmargin;
166 void
167 terminal_sepline(void *arg)
169 struct termp *p;
170 size_t i;
172 p = (struct termp *)arg;
173 (*p->endline)(p);
174 for (i = 0; i < p->defrmargin; i++)
175 (*p->letter)(p, '-');
176 (*p->endline)(p);
177 (*p->endline)(p);
180 static size_t
181 ascii_width(const struct termp *p, int c)
184 return 1;
187 void
188 ascii_free(void *arg)
191 term_free((struct termp *)arg);
194 static void
195 ascii_letter(struct termp *p, int c)
198 putchar(c);
201 static void
202 ascii_begin(struct termp *p)
205 (*p->headf)(p, p->argf);
208 static void
209 ascii_end(struct termp *p)
212 (*p->footf)(p, p->argf);
215 static void
216 ascii_endline(struct termp *p)
219 p->line++;
220 p->tcol->offset -= p->ti;
221 p->ti = 0;
222 putchar('\n');
225 static void
226 ascii_advance(struct termp *p, size_t len)
228 size_t i;
230 for (i = 0; i < len; i++)
231 putchar(' ');
234 static int
235 ascii_hspan(const struct termp *p, const struct roffsu *su)
237 double r;
239 switch (su->unit) {
240 case SCALE_BU:
241 r = su->scale;
242 break;
243 case SCALE_CM:
244 r = su->scale * 240.0 / 2.54;
245 break;
246 case SCALE_FS:
247 r = su->scale * 65536.0;
248 break;
249 case SCALE_IN:
250 r = su->scale * 240.0;
251 break;
252 case SCALE_MM:
253 r = su->scale * 0.24;
254 break;
255 case SCALE_VS:
256 case SCALE_PC:
257 r = su->scale * 40.0;
258 break;
259 case SCALE_PT:
260 r = su->scale * 10.0 / 3.0;
261 break;
262 case SCALE_EN:
263 case SCALE_EM:
264 r = su->scale * 24.0;
265 break;
266 default:
267 abort();
269 return r > 0.0 ? r + 0.01 : r - 0.01;
272 const char *
273 ascii_uc2str(int uc)
275 static const char nbrsp[2] = { ASCII_NBRSP, '\0' };
276 static const char *tab[] = {
277 "<NUL>","<SOH>","<STX>","<ETX>","<EOT>","<ENQ>","<ACK>","<BEL>",
278 "<BS>", "\t", "<LF>", "<VT>", "<FF>", "<CR>", "<SO>", "<SI>",
279 "<DLE>","<DC1>","<DC2>","<DC3>","<DC4>","<NAK>","<SYN>","<ETB>",
280 "<CAN>","<EM>", "<SUB>","<ESC>","<FS>", "<GS>", "<RS>", "<US>",
281 " ", "!", "\"", "#", "$", "%", "&", "'",
282 "(", ")", "*", "+", ",", "-", ".", "/",
283 "0", "1", "2", "3", "4", "5", "6", "7",
284 "8", "9", ":", ";", "<", "=", ">", "?",
285 "@", "A", "B", "C", "D", "E", "F", "G",
286 "H", "I", "J", "K", "L", "M", "N", "O",
287 "P", "Q", "R", "S", "T", "U", "V", "W",
288 "X", "Y", "Z", "[", "\\", "]", "^", "_",
289 "`", "a", "b", "c", "d", "e", "f", "g",
290 "h", "i", "j", "k", "l", "m", "n", "o",
291 "p", "q", "r", "s", "t", "u", "v", "w",
292 "x", "y", "z", "{", "|", "}", "~", "<DEL>",
293 "<80>", "<81>", "<82>", "<83>", "<84>", "<85>", "<86>", "<87>",
294 "<88>", "<89>", "<8A>", "<8B>", "<8C>", "<8D>", "<8E>", "<8F>",
295 "<90>", "<91>", "<92>", "<93>", "<94>", "<95>", "<96>", "<97>",
296 "<98>", "<99>", "<9A>", "<9B>", "<9C>", "<9D>", "<9E>", "<9F>",
297 nbrsp, "!", "/\bc", "GBP", "o\bx", "=\bY", "|", "<sec>",
298 "\"", "(C)", "_\ba", "<<", "~", "", "(R)", "-",
299 "<deg>","+-", "2", "3", "'", ",\bu", "<par>",".",
300 ",", "1", "_\bo", ">>", "1/4", "1/2", "3/4", "?",
301 "`\bA", "'\bA", "^\bA", "~\bA", "\"\bA","o\bA", "AE", ",\bC",
302 "`\bE", "'\bE", "^\bE", "\"\bE","`\bI", "'\bI", "^\bI", "\"\bI",
303 "-\bD", "~\bN", "`\bO", "'\bO", "^\bO", "~\bO", "\"\bO","x",
304 "/\bO", "`\bU", "'\bU", "^\bU", "\"\bU","'\bY", "Th", "ss",
305 "`\ba", "'\ba", "^\ba", "~\ba", "\"\ba","o\ba", "ae", ",\bc",
306 "`\be", "'\be", "^\be", "\"\be","`\bi", "'\bi", "^\bi", "\"\bi",
307 "d", "~\bn", "`\bo", "'\bo", "^\bo", "~\bo", "\"\bo","-:-",
308 "/\bo", "`\bu", "'\bu", "^\bu", "\"\bu","'\by", "th", "\"\by",
309 "A", "a", "A", "a", "A", "a", "'\bC", "'\bc",
310 "^\bC", "^\bc", "C", "c", "C", "c", "D", "d",
311 "/\bD", "/\bd", "E", "e", "E", "e", "E", "e",
312 "E", "e", "E", "e", "^\bG", "^\bg", "G", "g",
313 "G", "g", ",\bG", ",\bg", "^\bH", "^\bh", "/\bH", "/\bh",
314 "~\bI", "~\bi", "I", "i", "I", "i", "I", "i",
315 "I", "i", "IJ", "ij", "^\bJ", "^\bj", ",\bK", ",\bk",
316 "q", "'\bL", "'\bl", ",\bL", ",\bl", "L", "l", "L",
317 "l", "/\bL", "/\bl", "'\bN", "'\bn", ",\bN", ",\bn", "N",
318 "n", "'n", "Ng", "ng", "O", "o", "O", "o",
319 "O", "o", "OE", "oe", "'\bR", "'\br", ",\bR", ",\br",
320 "R", "r", "'\bS", "'\bs", "^\bS", "^\bs", ",\bS", ",\bs",
321 "S", "s", ",\bT", ",\bt", "T", "t", "/\bT", "/\bt",
322 "~\bU", "~\bu", "U", "u", "U", "u", "U", "u",
323 "U", "u", "U", "u", "^\bW", "^\bw", "^\bY", "^\by",
324 "\"\bY","'\bZ", "'\bz", "Z", "z", "Z", "z", "s",
325 "b", "B", "B", "b", "6", "6", "O", "C",
326 "c", "D", "D", "D", "d", "d", "3", "@",
327 "E", "F", ",\bf", "G", "G", "hv", "I", "/\bI",
328 "K", "k", "/\bl", "l", "W", "N", "n", "~\bO",
329 "O", "o", "OI", "oi", "P", "p", "YR", "2",
330 "2", "SH", "sh", "t", "T", "t", "T", "U",
331 "u", "Y", "V", "Y", "y", "/\bZ", "/\bz", "ZH",
332 "ZH", "zh", "zh", "/\b2", "5", "5", "ts", "w",
333 "|", "||", "|=", "!", "DZ", "Dz", "dz", "LJ",
334 "Lj", "lj", "NJ", "Nj", "nj", "A", "a", "I",
335 "i", "O", "o", "U", "u", "U", "u", "U",
336 "u", "U", "u", "U", "u", "@", "A", "a",
337 "A", "a", "AE", "ae", "/\bG", "/\bg", "G", "g",
338 "K", "k", "O", "o", "O", "o", "ZH", "zh",
339 "j", "DZ", "Dz", "dz", "'\bG", "'\bg", "HV", "W",
340 "`\bN", "`\bn", "A", "a", "'\bAE","'\bae","O", "o"};
342 assert(uc >= 0);
343 if ((size_t)uc < sizeof(tab)/sizeof(tab[0]))
344 return tab[uc];
345 return mchars_uc2str(uc);
348 #if HAVE_WCHAR
349 static size_t
350 locale_width(const struct termp *p, int c)
352 int rc;
354 if (c == ASCII_NBRSP)
355 c = ' ';
356 rc = wcwidth(c);
357 if (rc < 0)
358 rc = 0;
359 return rc;
362 static void
363 locale_advance(struct termp *p, size_t len)
365 size_t i;
367 for (i = 0; i < len; i++)
368 putwchar(L' ');
371 static void
372 locale_endline(struct termp *p)
375 p->line++;
376 p->tcol->offset -= p->ti;
377 p->ti = 0;
378 putwchar(L'\n');
381 static void
382 locale_letter(struct termp *p, int c)
385 putwchar(c);
387 #endif