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# getopt like parser
parse_options() {
local short_options=$1; shift;
local long_options=$1; shift;
local ret=0;
local unused_options=""
local i
while [[ -n $1 ]]; do
if [[ ${1:0:2} = '--' ]]; then
if [[ -n ${1:2} ]]; then
local match=""
for i in ${long_options//,/ }; do
if [[ ${1:2} = ${i//:} ]]; then
match=$i
break
fi
done
if [[ -n $match ]]; then
local needsargument=0
[[ ${match} = ${1:2}: ]] && needsargument=1
[[ ${match} = ${1:2}:: && -n $2 && ${2:0:1} != "-" ]] && needsargument=1
if (( ! needsargument )); then
printf ' %s' "$1"
else
if [[ -n $2 ]]; then
printf ' %s' "$1"
shift
printf " '%s'" "$1"
else
printf "@SCRIPTNAME@: $(gettext "option %s requires an argument\n")" "'$1'" >&2
ret=1
fi
fi
else
echo "@SCRIPTNAME@: $(gettext "unrecognized option") '$1'" >&2
ret=1
fi
else
shift
break
fi
elif [[ ${1:0:1} = '-' ]]; then
for ((i=1; i<${#1}; i++)); do
if [[ $short_options =~ ${1:i:1} ]]; then
local needsargument=0
[[ $short_options =~ ${1:i:1}: && ! $short_options =~ ${1:i:1}:: ]] && needsargument=1
[[ $short_options =~ ${1:i:1}:: && \
( -n ${1:$i+1} || ( -n $2 && ${2:0:1} != "-" ) ) ]] && needsargument=1
if (( ! needsargument )); then
printf ' -%s' "${1:i:1}"
else
if [[ -n ${1:$i+1} ]]; then
printf ' -%s' "${1:i:1}"
printf " '%s'" "${1:$i+1}"
else
if [[ -n $2 ]]; then
printf ' -%s' "${1:i:1}"
shift
printf " '%s'" "${1}"
else
printf "@SCRIPTNAME@: $(gettext "option %s requires an argument\n")" "'-${1:i:1}'" >&2
ret=1
fi
fi
break
fi
else
echo "@SCRIPTNAME@: $(gettext "unrecognized option") '-${1:i:1}'" >&2
ret=1
fi
done
else
unused_options="${unused_options} '$1'"
fi
shift
done
printf " --"
[[ $unused_options ]] && printf ' %s' "${unused_options[@]}"
[[ $1 ]] && printf " '%s'" "$@"
printf "\n"
return $ret
}
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