+ local json_document="$1" json
+
+ json_value |UNSTRING
+}
+
+json_get() {
+ local json="$1" jpath="${2#.}" key idx
+ json_type=''
+
+ case $json in
+ str:*) json_type="string";;
+ arr:*) json_type="array";;
+ obj:*) json_type="object";;
+ num:*) json_type="number";;
+ true|false)
+ json_type="boolean";;
+ null) json_type="null";;
+ esac
+
+ case $jpath in
+ "")
+ printf %s\\n "${json#???:}"
+ return 0
+ ;;
+ "["[0-9]*"]"*)
+ idx="${jpath%%"]"*}" idx="${idx#"["}"
+ jpath="${jpath#"["*"]"}"
+ ;;
+ "['"*"']"*)
+ key="${jpath%%"']"*}" key="${key#"['"}"
+ jpath="${jpath#"['"*"']"}"
+ ;;
+ "$"*)
+ jpath="${jpath#?}"
+ ;;
+ *) key="${jpath%%[".["]*}"
+ jpath="${jpath#"$key"}"
+ ;;
+ esac
+
+ if [ "$key" -a "$json_type" = object ]; then
+ if ! json="$(DB2 "${json#obj:}" get "$key")"; then
+ debug "Key not found: \"$key\""
+ return 1
+ fi
+ elif [ "$idx" -a "$json_type" = array ]; then
+ if ! json="$(DB2 "${json#arr:}" get @ "$(( idx + 1 ))")"; then
+ debug "Array index not found: \"$idx\""
+ return 1
+ fi
+ elif [ "$key" ]; then
+ debug "Cannot select key (\"$key\") from value of type \"$json_type\""
+ return 1
+ elif [ "$idx" ]; then
+ debug "Cannot select index ($idx) from value of type \"$json_type\""
+ return 1
+ fi
+ json_get "$json" "$jpath"
+ return $?
+}
+
+json_dump_string() {
+ local in="$1" out=''
+ while [ "$in" ]; do case $in in
+ \\*) out="${out}\\\\"; in="${in#\\}" ;;
+ "$BR"*) out="${out}\\n"; in="${in#${BR}}" ;;
+ "$CR"*) out="${out}\\r"; in="${in#${CR}}" ;;
+ " "*) out="${out}\\t"; in="${in# }" ;;
+ \"*) out="${out}\\\""; in="${in#\"}" ;;
+ *) out="${out}${in%%[\\${CR}${BR} \"]*}"; in="${in#"${in%%[\\${BR}${CR} \"]*}"}" ;;
+ esac; done
+ printf '"%s"' "${out}"
+}