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