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# This file is part of Haketilo
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#
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# Copyright (C) 2021, Wojtek Kosior
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the CC0 1.0 Universal License as published by
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# the Creative Commons Corporation.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# CC0 1.0 Universal License for more details.
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ENDL="
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"
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# A "raw" echo, interprets neither backclash escapes nor command-line options.
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# Does not emit trailing newline.
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ech() {
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printf %s "$*"
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}
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errcho() {
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echo "$@" >&2
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}
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map_set_instr() {
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echo "$1__$2='$3'"
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}
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map_set() {
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eval "$(map_set_instr "$@")"
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}
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map_set_export() {
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eval "export $(map_set_instr "$@")"
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}
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map_get() {
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eval "echo \"\$$1__$2\""
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}
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map_del_instr() {
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echo "unset $1__$2"
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}
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map_del() {
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eval "$(map_del_instr "$@")"
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}
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sanitize() {
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echo "$1" | tr /.- _
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}
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escape_regex_special() {
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ech "$1" | sed 's/\([]\.*?{},()[-]\)/\\\1/g'
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}
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# Note: We don't actually parse JSON. We extract needed keys with sed regexes
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# which does not work in the general case but is sufficient for now.
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get_json_key() {
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local KEY_REG="$(escape_regex_special "$1")"
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ech "$2" |
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sed 's/\(.*"'"$KEY_REG"'"[[:space:]]*:[[:space:]]*"\([^"]*\)"\)\?.*/\2/' |
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grep . | head -1
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}
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