hxtool

   1 #!/bin/sh
   2
   3 hxtoh()
   4 {
   5     flag=1
   6     while read -r str; do
   7         case $str in
   8             HXCOMM*)
   9             ;;
  10             STEXI*|ETEXI*|SQMP*|EQMP*) flag=$(($flag^1))
  11             ;;
  12             *)
  13             test $flag -eq 1 && printf "%s\n" "$str"
  14             ;;
  15         esac
  16     done
  17 }
  18
  19 hxtotexi()
  20 {
  21     flag=0
  22     line=1
  23     while read -r str; do
  24         case "$str" in
  25             HXCOMM*)
  26             ;;
  27             STEXI*)
  28             if test $flag -eq 1 ; then
  29                 echo "line $line: syntax error: expected ETEXI, found $str" >&2
  30                 exit 1
  31             fi
  32             flag=1
  33             ;;
  34             ETEXI*)
  35             if test $flag -ne 1 ; then
  36                 echo "line $line: syntax error: expected STEXI, found $str" >&2
  37                 exit 1
  38             fi
  39             flag=0
  40             ;;
  41             SQMP*|EQMP*)
  42             if test $flag -eq 1 ; then
  43                 echo "line $line: syntax error: expected ETEXI, found $str" >&2
  44                 exit 1
  45             fi
  46             ;;
  47             DEFHEADING*)
  48             echo "$(expr "$str" : "DEFHEADING(\(.*\))")"
  49             ;;
  50             *)
  51             test $flag -eq 1 && echo "$str"
  52             ;;
  53         esac
  54         line=$((line+1))
  55     done
  56 }
  57
  58 hxtoqmp()
  59 {
  60     IFS=
  61     flag=0
  62     while read -r str; do
  63         case "$str" in
  64             HXCOMM*)
  65             ;;
  66             SQMP*)
  67             if test $flag -eq 1 ; then
  68                 echo "line $line: syntax error: expected EQMP, found $str" >&2
  69                 exit 1
  70             fi
  71             flag=1
  72             ;;
  73             EQMP*)
  74             if test $flag -ne 1 ; then
  75                 echo "line $line: syntax error: expected SQMP, found $str" >&2
  76                 exit 1
  77             fi
  78             flag=0
  79             ;;
  80             STEXI*|ETEXI*)
  81             if test $flag -eq 1 ; then
  82                 echo "line $line: syntax error: expected EQMP, found $str" >&2
  83                 exit 1
  84             fi
  85             ;;
  86             *)
  87             test $flag -eq 1 && echo "$str"
  88             ;;
  89         esac
  90     done
  91 }
  92
  93 case "$1" in
  94 "-h") hxtoh ;;
  95 "-t") hxtotexi ;;
  96 "-q") hxtoqmp ;;
  97 *) exit 1 ;;
  98 esac
  99
 100 exit 0