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# This file is part of Haketilo
#
# Copyright (C) 2021, Wojtek Kosior
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the CC0 1.0 Universal License as published by
# the Creative Commons Corporation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# CC0 1.0 Universal License for more details.
map_set_instr() {
printf "%s__%s='%s'" "$1" "$2" "$3"
}
map_set() {
eval "$(map_set_instr "$@")"
}
map_set_export() {
eval "export $(map_set_instr "$@")"
}
map_get() {
eval "printf %s \"\$$1__$2\""
}
map_del_instr() {
printf 'unset %s__%s' "$1" "$2"
}
map_del() {
eval "$(map_del_instr "$@")"
}
sanitize() {
printf %s "$1" | tr /.- _
}
escape_regex_special() {
printf %s "$1" | sed 's/\([]\.*?{},()[-]\)/\\\1/g'
}
# Note: We don't actually parse JSON. We extract needed keys with sed regexes
# which does not work in the general case but is sufficient for now.
get_json_key() {
local KEY_REG="$(escape_regex_special "$1")"
printf %s "$2" |
sed 's/\(.*"'"$KEY_REG"'"[[:space:]]*:[[:space:]]*"\([^"]*\)"\)\?.*/\2/' |
grep . | head -1
}
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