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115 lines
3.8 KiB
115 lines
3.8 KiB
#!/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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function MakeMainLoop { |
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all_params_var_name=$1 |
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mainloop=' |
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# Инициализация переменных |
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ProcessParams all_params_array 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_array Params2small_list) |
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small_params_list="${small_params_list:1}" |
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large_params_list=$(ProcessParams all_params_array 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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while true; do cur_arg="$1"; [ "$cur_arg" = "--" ] && { shift; break; }; ProcessParams all_params_array Params2Case "$cur_arg" "$2"; shift; done |
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' |
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retun "${mainloop//all_params_array/$all_params_var_name}" |
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}
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