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# Copyright (C) 2021 Wojtek Kosior
# Redistribution terms are gathered in the `copyright' file.
# This file is meant to be sourced in sh.
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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