scripts/hxtool

   1 #!/bin/sh
   2
   3 hxtoh()
   4 {
   5     flag=1
   6     while read -r str; do
   7         case $str in
   8             HXCOMM*)
   9             ;;
  10             STEXI*|ETEXI*|SRST*|ERST*) flag=$(($flag^1))
  11             ;;
  12             *)
  13             test $flag -eq 1 && printf "%s\n" "$str"
  14             ;;
  15         esac
  16     done
  17 }
  18
  19 print_texi_heading()
  20 {
  21     if test "$*" != ""; then
  22         title="$*"
  23         printf "@subsection %s\n" "${title%:}"
  24     fi
  25 }
  26
  27 hxtotexi()
  28 {
  29     flag=0
  30     rstflag=0
  31     line=1
  32     while read -r str; do
  33         case "$str" in
  34             HXCOMM*)
  35             ;;
  36             STEXI*)
  37             if test $rstflag -eq 1 ; then
  38                 printf "line %d: syntax error: expected ERST, found '%s'\n" "$line" "$str" >&2
  39                 exit 1
  40             fi
  41             if test $flag -eq 1 ; then
  42                 printf "line %d: syntax error: expected ETEXI, found '%s'\n" "$line" "$str" >&2
  43                 exit 1
  44             fi
  45             flag=1
  46             ;;
  47             ETEXI*)
  48             if test $rstflag -eq 1 ; then
  49                 printf "line %d: syntax error: expected ERST, found '%s'\n" "$line" "$str" >&2
  50                 exit 1
  51             fi
  52             if test $flag -ne 1 ; then
  53                 printf "line %d: syntax error: expected STEXI, found '%s'\n" "$line" "$str" >&2
  54                 exit 1
  55             fi
  56             flag=0
  57             ;;
  58             SRST*)
  59             if test $rstflag -eq 1 ; then
  60                 printf "line %d: syntax error: expected ERST, found '%s'\n" "$line" "$str" >&2
  61                 exit 1
  62             fi
  63             if test $flag -eq 1 ; then
  64                 printf "line %d: syntax error: expected ETEXI, found '%s'\n" "$line" "$str" >&2
  65                 exit 1
  66             fi
  67             rstflag=1
  68             ;;
  69             ERST*)
  70             if test $flag -eq 1 ; then
  71                 printf "line %d: syntax error: expected ETEXI, found '%s'\n" "$line" "$str" >&2
  72                 exit 1
  73             fi
  74             if test $rstflag -ne 1 ; then
  75                 printf "line %d: syntax error: expected SRST, found '%s'\n" "$line" "$str" >&2
  76                 exit 1
  77             fi
  78             rstflag=0
  79             ;;
  80             DEFHEADING*)
  81             print_texi_heading "$(expr "$str" : "DEFHEADING(\(.*\))")"
  82             ;;
  83             ARCHHEADING*)
  84             print_texi_heading "$(expr "$str" : "ARCHHEADING(\(.*\),.*)")"
  85             ;;
  86             *)
  87             test $flag -eq 1 && printf '%s\n' "$str"
  88             ;;
  89         esac
  90         line=$((line+1))
  91     done
  92 }
  93
  94 case "$1" in
  95 "-h") hxtoh ;;
  96 "-t") hxtotexi ;;
  97 *) exit 1 ;;
  98 esac
  99
 100 exit 0