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109 lines
3.4 KiB
109 lines
3.4 KiB
1 year ago
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#!/bin/bash
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# Общественное достояние, 2024, Алексей Безбородов (Alexei Bezborodov) <AlexeiBv+mirocod_parse_arg_lib@narod.ru>
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# Обработка входных параметров
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# Формат:
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# "Однобуквенная команда|Расширенная команда|Справка|Параметр|Значение по умолчанию|Команда на исполнение"
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# Параметр: Пусто - нет параметров, : - есть параметр, :: - параметр не обязателен
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# Пример
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#common_params=(
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# "i|input|Входной текстовый файл.|:|'1.txt'|"
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# )
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function ProcessParams {
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local iparams=$1[@]
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local work_func=$2
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local params=("${!iparams}")
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local custom_arg1="$3"
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local custom_arg2="$4"
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SAVE_IFS=$IFS
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IFS=""
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for (( i=0; i< ${#params[*]}; i++))
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do
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p="${params[i]}"
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readarray -d "|" -t cur_params <<< "$p"
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small_cmd="${cur_params[0]}"
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large_cmd="${cur_params[1]}"
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comment="${cur_params[2]}"
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use_param="${cur_params[3]}"
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default="${cur_params[4]}"
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custom_cmd="${cur_params[5]}"
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$work_func "$small_cmd" "$large_cmd" "$comment" "$use_param" "$default" "$custom_cmd" "$custom_arg1" "$custom_arg2"
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done
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IFS=$SAVE_IFS
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}
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param_var='local small_cmd="$1";local large_cmd="$2";local comment="$3";local use_param="$4";local default="$5";local custom_cmd="$6";local custom_arg1="$7";local custom_arg2="$8";'
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function Params2InitVar {
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eval "$param_var"
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if [ "$use_param" != '' ]; then
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eval "${large_cmd}=${default}"
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fi
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}
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function Params2Help {
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eval "$param_var"
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echo "-${small_cmd}, -${large_cmd}, --${large_cmd}"
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echo " ${comment/"!DEFAULT!"/"${!large_cmd}"}"
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}
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function Params2small_list {
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eval "$param_var"
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echo -n "${small_cmd}${use_param}"
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}
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function Params2large_list {
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eval "$param_var"
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echo -n ",${large_cmd}${use_param}"
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}
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function Params2Case {
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eval "$param_var"
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if [ "$custom_arg1" = "-${small_cmd}" ] || [ "$custom_arg1" = "-${large_cmd}" ] || [ "$custom_arg1" = "--${large_cmd}" ]; then
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clear_custom_cmd="${custom_cmd//[$'\t\r\n ']/}"
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if [ "${clear_custom_cmd}" != "" ]; then
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eval "${custom_cmd}"
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else
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eval "${large_cmd}=\"$custom_arg2\""
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fi
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fi
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}
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# Инициализация переменных
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ProcessParams all_params Params2InitVar
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# $@ is all command line parameters passed to the script.
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# -o is for short options like -v
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# -l is for long options with double dash like --version
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# the comma separates different long options
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# -a is for long options with single dash like -version
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# Example
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# 'h' is a no-value option.
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# 'v:' implies that option -v has value and is a mandatory option. ':' means has a value.
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# 't::' implies that option -t has value but is optional. '::' means optional.
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small_params_list=$(ProcessParams all_params Params2small_list)
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small_params_list="${small_params_list:1}"
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large_params_list=$(ProcessParams all_params Params2large_list)
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large_params_list="${large_params_list:1}"
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options=$(getopt --long "$large_params_list" -o "$small_params_list" -a -- "$@")
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# set --:
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# If no arguments follow this option, then the positional parameters are unset. Otherwise, the positional parameters
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# are set to the arguments, even if some of them begin with a ‘-’.
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eval set -- "$options"
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