manual/libc-texinfo.sh

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