blob: 7ca83ed1ff7feee5c734a16d34b94fa4cf122049 [file] [log] [blame]
#!/bin/sh
hxtoh()
{
flag=1
while read -r str; do
case $str in
HXCOMM*)
;;
STEXI*|ETEXI*|SQMP*|EQMP*) flag=$(($flag^1))
;;
*)
test $flag -eq 1 && printf "%s\n" "$str"
;;
esac
done
}
hxtotexi()
{
flag=0
line=1
while read -r str; do
case "$str" in
HXCOMM*)
;;
STEXI*)
if test $flag -eq 1 ; then
echo "line $line: syntax error: expected ETEXI, found $str" >&2
exit 1
fi
flag=1
;;
ETEXI*)
if test $flag -ne 1 ; then
echo "line $line: syntax error: expected STEXI, found $str" >&2
exit 1
fi
flag=0
;;
SQMP*|EQMP*)
if test $flag -eq 1 ; then
echo "line $line: syntax error: expected ETEXI, found $str" >&2
exit 1
fi
;;
DEFHEADING*)
echo "$(expr "$str" : "DEFHEADING(\(.*\))")"
;;
*)
test $flag -eq 1 && echo "$str"
;;
esac
line=$((line+1))
done
}
hxtoqmp()
{
IFS=
flag=0
line=1
while read -r str; do
case "$str" in
HXCOMM*)
;;
SQMP*)
if test $flag -eq 1 ; then
echo "line $line: syntax error: expected EQMP, found $str" >&2
exit 1
fi
flag=1
;;
EQMP*)
if test $flag -ne 1 ; then
echo "line $line: syntax error: expected SQMP, found $str" >&2
exit 1
fi
flag=0
;;
STEXI*|ETEXI*)
if test $flag -eq 1 ; then
echo "line $line: syntax error: expected EQMP, found $str" >&2
exit 1
fi
;;
*)
test $flag -eq 1 && echo "$str"
;;
esac
line=$((line+1))
done
}
case "$1" in
"-h") hxtoh ;;
"-t") hxtotexi ;;
"-q") hxtoqmp ;;
*) exit 1 ;;
esac
exit 0