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#!/bin/sh
hxtoh()
{
flag=1
while read -r str; do
case $str in
HXCOMM*)
;;
STEXI*|ETEXI*|SRST*|ERST*) flag=$(($flag^1))
;;
*)
test $flag -eq 1 && printf "%s\n" "$str"
;;
esac
done
}
print_texi_heading()
{
if test "$*" != ""; then
title="$*"
printf "@subsection %s\n" "${title%:}"
fi
}
hxtotexi()
{
flag=0
rstflag=0
line=1
while read -r str; do
case "$str" in
HXCOMM*)
;;
STEXI*)
if test $rstflag -eq 1 ; then
printf "line %d: syntax error: expected ERST, found '%s'\n" "$line" "$str" >&2
exit 1
fi
if test $flag -eq 1 ; then
printf "line %d: syntax error: expected ETEXI, found '%s'\n" "$line" "$str" >&2
exit 1
fi
flag=1
;;
ETEXI*)
if test $rstflag -eq 1 ; then
printf "line %d: syntax error: expected ERST, found '%s'\n" "$line" "$str" >&2
exit 1
fi
if test $flag -ne 1 ; then
printf "line %d: syntax error: expected STEXI, found '%s'\n" "$line" "$str" >&2
exit 1
fi
flag=0
;;
SRST*)
if test $rstflag -eq 1 ; then
printf "line %d: syntax error: expected ERST, found '%s'\n" "$line" "$str" >&2
exit 1
fi
if test $flag -eq 1 ; then
printf "line %d: syntax error: expected ETEXI, found '%s'\n" "$line" "$str" >&2
exit 1
fi
rstflag=1
;;
ERST*)
if test $flag -eq 1 ; then
printf "line %d: syntax error: expected ETEXI, found '%s'\n" "$line" "$str" >&2
exit 1
fi
if test $rstflag -ne 1 ; then
printf "line %d: syntax error: expected SRST, found '%s'\n" "$line" "$str" >&2
exit 1
fi
rstflag=0
;;
DEFHEADING*)
print_texi_heading "$(expr "$str" : "DEFHEADING(\(.*\))")"
;;
ARCHHEADING*)
print_texi_heading "$(expr "$str" : "ARCHHEADING(\(.*\),.*)")"
;;
*)
test $flag -eq 1 && printf '%s\n' "$str"
;;
esac
line=$((line+1))
done
}
case "$1" in
"-h") hxtoh ;;
"-t") hxtotexi ;;
*) exit 1 ;;
esac
exit 0
|
