manual/libc-texinfo.sh

   1 #! /bin/sh
   2
   3 # Create libc.texinfo from the chapter files.
   4
   5 trap "rm -f *.$$; exit 1" 1 2 15
   6
   7 exec 3>incl.$$ 4>smenu.$$ 5>lmenu.$$
   8
   9 build_menu () {
  10   while IFS=: read file node; do
  11     echo "@include $file" >&3
  12     echo "* $node:: `sed -n 's/^@c %MENU% //p' $file`" >&4
  13     $AWK 'BEGIN { do_menu = 0 }
  14           /^@node / { sub(/^@node /, ""); sub(/,.*$/, ""); node = $0 }
  15           /^@menu/ { printf "\n%s\n\n", node; do_menu = 1; next }
  16           /^@end menu/ { do_menu = 0 }
  17           do_menu { print }' $file >&5
  18   done
  19 }
  20
  21 collect_nodes () {
  22   egrep '^(@c )?@node.*Top' "$@" /dev/null | cut -d, -f-2 |
  23   sed 's/@c //; s/, /:/; s/:@node /:/; s/ /_/g; s/:/ /g' |
  24   $AWK '{ file[$2] = $1; nnode[$2] = $3 }
  25         END  { for (x in file)
  26                  if (file[x] != "")
  27                    print file[x] ":" x, file[nnode[x]] ":" nnode[x] }' |
  28   $AWK -f tsort.awk | sed 's/_/ /g'
  29 }
  30
  31 # Emit "@set ADD-ON" for each add-on contributing a manual chapter.
  32 for addon in $2; do
  33   addon=`basename $addon .texi`
  34   echo >&3 "@set $addon"
  35 done
  36
  37 collect_nodes $1 | build_menu
  38
  39 if [ -n "$2" ]; then
  40
  41   { echo; echo 'Add-ons'; echo; } >&4
  42
  43   egrep '^(@c )?@node.*Top' `echo $2 /dev/null | tr ' ' '\n' | sort` |
  44   cut -d, -f1 | sed 's/@c //;s/@node //' | build_menu
  45
  46 fi
  47
  48 { echo; echo 'Appendices'; echo; } >&4
  49
  50 collect_nodes $3 | build_menu
  51
  52 exec 3>&- 4>&- 5>&-
  53
  54 mv -f incl.$$ chapters.texi
  55
  56 {
  57  echo '@menu'
  58  $AWK -F: '
  59   /^\*/ {
  60     printf("%-32s", $1 "::");
  61     x = split($3, word, " ");
  62     hpos = 34;
  63     for (i = 1; i <= x; i++) {
  64       hpos += length(word[i]) + 1;
  65       if (hpos > 78) {
  66         printf("\n%34s", "");
  67         hpos = 35 + length(word[i]);
  68       }
  69       printf(" %s", word[i]);
  70     }
  71     print ".";
  72   }
  73
  74   !/^\*/ { print; }
  75  ' smenu.$$
  76  cat <<EOF
  77 * Free Manuals::                 Free Software Needs Free Documentation.
  78 * Copying::                      The GNU Lesser General Public License says
  79                                   how you can copy and share the GNU C Library.
  80 * Documentation License::        This manual is under the GNU Free
  81                                   Documentation License.
  82
  83 Indices
  84
  85 * Concept Index::                Index of concepts and names.
  86 * Type Index::                   Index of types and type qualifiers.
  87 * Function Index::               Index of functions and function-like macros.
  88 * Variable Index::               Index of variables and variable-like macros.
  89 * File Index::                   Index of programs and files.
  90
  91  --- The Detailed Node Listing ---
  92 EOF
  93  cat lmenu.$$
  94  echo '@end menu'; } >top-menu.texi.$$
  95 mv -f top-menu.texi.$$ top-menu.texi
  96
  97 rm -f *.$$