diff options
| -rw-r--r-- | src/argparser.bash | 128 |
1 files changed, 127 insertions, 1 deletions
diff --git a/src/argparser.bash b/src/argparser.bash index 12730ee..e19d4fb 100644 --- a/src/argparser.bash +++ b/src/argparser.bash @@ -267,7 +267,7 @@ function args_add_argumented # @param ...:(str) Option names function args_add_variadic { - local default="$1" arg="$2" help="$3" std alts alt + local default="$1" arg="$2" help="$3" std alts alt type arg shift 3 if [ "${arg}" = "" ]; then arg="ARG" @@ -282,3 +282,129 @@ function args_add_variadic done } + +# Prints a colourful help message +function help +{ + local dash first last maxfirstlen=0 i=0 n help start count lines=() lens=() + local empty=" " line l col index=0 colour + + dash="—" + if [ ${args_linuxvt} = 1 ]; then + dash="-" + fi + echo -en "\e[01m" >> "${args_out}" + echo -n "${args_program}" >> "${args_out}" + echo -en "\e[21m" >> "${args_out}" + echo "${dash} ${args_description}" >> "${args_out}" + + echo >> "${args_out}" + if [ ! "${args_longdescription}" = "" ]; then + echo "${args_longdescription}" >> "${args_out}" + fi + echo >> "${args_out}" + + if [ ! "${args_usage}" = "" ]; then + echo -en "\e[01mUSAGE:\e[21m" >> "${args_out}" + first=1 + while read line; do + if [ $first = 1 ]; then + first=0 + else + echo -n " or" >> "${args_out}" + fi + echo -en "\t" >> "${args_out}" + echo "${line}" >> "${args_out}" + done <<< "${args_usage}" + echo >> "${args_out}" + fi + + n=$(( ${#args_options[@]} / 5 )) + while (( $i < $n )); do + help="${args_options[(( $i * 5 + 2 ))]}" + start=${args_options[(( $i * 5 + 3 ))]} + count=${args_options[(( $i * 5 + 4 ))]} + (( i++ )) + if [ "${help}" = "" ]; then + continue + fi + if (( $count > 1 )) && (( $maxfirstlen < ${#args_opts_alts[$start]} )); then + maxfirstlen=${#args_opts_alts[$start]} + fi + done + + while (( ${#empty} < $maxfirstlen )); do + empty="${empty}${empty}" + done + empty="${empty::$maxfirstlen}" + + echo -e "\e[01mSYNOPSIS:\e[21m" >> "${args_out}" + i=0 + while (( $i < $n )); do + type=${args_options[(( $i * 5 + 0 ))]} + arg="${args_options[(( $i * 5 + 1 ))]}" + help="${args_options[(( $i * 5 + 2 ))]}" + start=${args_options[(( $i * 5 + 3 ))]} + count=${args_options[(( $i * 5 + 4 ))]} + (( i++ )) + if [ "${help}" = "" ]; then + continue + fi + first="$empty" + last="${args_opts_alts[(( $start + $count - 1))]}" + if (( "$count" > 1 )); then + first="${args_opts_alts[(( $start ))]}" + first="${first}${empty:${#first}}" + fi + line="$(echo -en " \e[02m")${first}$(echo -en "\e[22m ")/ARGPARSER_COLOUR/${last}" + l=$(( ${#first} + ${#last} + 6 )) + if [ $type = ${args_ARGUMENTED} ]; then + line+="$(echo -en " \e[04m")${arg}$(echo -en "\e[24m")" + l=$(( $l + 1 )) + elif [ $type = ${args_VARIADIC} ]; then + line+="$(echo -en " [\e[04m")${arg}$(echo -en "\e[24m...]")" + l=$(( $l + 6 )) + fi + lines+=( "$line" ) + lens+=( $l ) + done + + col=0 + for i in "${lens[@]}"; do + if (( $col < $i )); then + col=$i + fi + done + col=$(( $col + 8 - (($col - 4) & 7) )) + while (( ${#empty} < $col )); do + empty="${empty}${empty}" + done + empty="${empty::$col}" + i=0 + while (( $i < $n )); do + help="${args_options[(( $i * 5 + 2 ))]}" + (( i++ )) + if [ "${help}" = "" ]; then + continue + fi + first=1 + colour=$(( 36 - 2 * ($index & 1) )) + colour="$(sed -e "s:/ARGPARSER_COLOUR/:\x1b[${colour};01m:g" <<< "${lines[$index]}")" + echo -n "${colour}${empty:${lens[$index]}}" >> "${args_out}" + while read line; do + if [ $first = 1 ]; then + first=0 + echo -n "${line}" >> "${args_out}" + echo -e "\e[00m" >> "${args_out}" + else + echo -en "${empty}\e[${colour}m" >> "${args_out}" + echo -n "${line}" >> "${args_out}" + echo -e "\e[00m" >> "${args_out}" + fi + done <<< "${help}" + (( index++ )) + done + + echo >> "${args_out}" +} + |