| Joey Armstrong | 9cbbf7f | 2024-08-14 17:05:18 -0400 | [diff] [blame^] | 1 | #!/bin/bash |
| 2 | ## ----------------------------------------------------------------------- |
| 3 | ## ----------------------------------------------------------------------- |
| 4 | |
| 5 | ## ----------------------------------------------------------------------- |
| 6 | ## Intent: Set state flags for parsing based on detection of switch modifiers |
| 7 | ## ----------------------------------------------------------------------- |
| 8 | function getopt_detect_modifiers() |
| 9 | { |
| 10 | local arg="$1"; shift |
| 11 | |
| 12 | local -a patterns=() |
| 13 | patterns+=('and' 'or') |
| 14 | patterns+=('excl' 'incl') |
| 15 | patterns+=('in' 'not') |
| 16 | patterns+=('is-empty') |
| 17 | |
| 18 | unset getopt_argv_AND |
| 19 | unset getopt_argv_EXCL |
| 20 | unset getopt_argv_INCL |
| 21 | unset getopt_argv_IN |
| 22 | unset getopt_argv_IS_EMPTY |
| 23 | unset getopt_argv_NOT |
| 24 | unset getopt_argv_OR |
| 25 | |
| 26 | local pattern |
| 27 | for pattern in "${patterns[@]}"; |
| 28 | do |
| 29 | # echo "** ${FUNCNAME} pattern=[$pattern], arg=[$arg]" |
| 30 | case "$pattern" in |
| 31 | 'and') |
| 32 | case "$arg" in |
| 33 | *'-'[aA][nN][dD]*) declare -g -i getopt_argv_AND=1 ;; |
| 34 | esac |
| 35 | ;; |
| 36 | |
| 37 | 'or') |
| 38 | case "$arg" in |
| 39 | *'-'[oO][rR]*) |
| 40 | declare -g -i getopt_argv_OR=1 |
| 41 | ;; |
| 42 | esac |
| 43 | ;; |
| 44 | |
| 45 | 'excl') |
| 46 | case "$arg" in |
| 47 | *'-'[eE][xX][cC][lL]*) declare -g -i getopt_argv_EXCL=1 ;; |
| 48 | esac |
| 49 | ;; |
| 50 | |
| 51 | 'incl') |
| 52 | case "$arg" in |
| 53 | *'-'[iI][nN][cC][lL]*) declare -g -i getopt_argv_INCL=1 ;; |
| 54 | esac |
| 55 | ;; |
| 56 | |
| 57 | 'in') |
| 58 | if [[ ! -v getopt_argv_INCL ]]; then |
| 59 | case "$arg" in |
| 60 | *'-'[iI][nN]*) declare -g -i getopt_argv_IN=1 ;; |
| 61 | esac |
| 62 | fi |
| 63 | ;; |
| 64 | |
| 65 | 'is-empty') |
| 66 | case "$arg" in |
| 67 | *'-'[iI][sS]-[eE][mM][pP][tT][yY]) declare -g -i getopt_argv_IS_EMPTY=1 ;; |
| 68 | esac |
| 69 | ;; |
| 70 | |
| 71 | 'not') |
| 72 | case "$arg" in |
| 73 | *'-'[nN][oO][tT]*) declare -g -i getopt_argv_NOT=1 ;; |
| 74 | esac |
| 75 | ;; |
| 76 | |
| 77 | esac |
| 78 | |
| 79 | done |
| 80 | |
| 81 | if false; then |
| 82 | [[ -v getopt_argv_AND ]] && { declare -p getopt_argv_AND; } |
| 83 | [[ -v getopt_argv_EXCL ]] && { declare -p getopt_argv_EXCL; } |
| 84 | [[ -v getopt_argv_INCL ]] && { declare -p getopt_argv_INCL; } |
| 85 | [[ -v getopt_argv_IN ]] && { declare -p getopt_argv_IN; } |
| 86 | [[ -v getopt_argv_IS_EMPTY ]] && { declare -p getopt_argv_IS_EMPTY; } |
| 87 | [[ -v getopt_argv_NOT ]] && { declare -p getopt_argv_NOT; } |
| 88 | [[ -v getopt_argv_OR ]] && { declare -p getopt_argv_OR; } |
| 89 | fi |
| 90 | |
| 91 | : # return $?==0 |
| 92 | return |
| 93 | } |
| 94 | |
| 95 | # [EOF] |