/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ #pragma once /*** This file is part of systemd. Copyright 2014 Lennart Poettering systemd is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. systemd 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 GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with systemd; If not, see <http://www.gnu.org/licenses/>. ***/ #include <stdbool.h> #include "util.h" enum { JSON_END, JSON_COLON, JSON_COMMA, JSON_OBJECT_OPEN, JSON_OBJECT_CLOSE, JSON_ARRAY_OPEN, JSON_ARRAY_CLOSE, JSON_STRING, JSON_REAL, JSON_INTEGER, JSON_BOOLEAN, JSON_NULL, }; typedef enum { JSON_VARIANT_CONTROL, JSON_VARIANT_STRING, JSON_VARIANT_INTEGER, JSON_VARIANT_BOOLEAN, JSON_VARIANT_REAL, JSON_VARIANT_ARRAY, JSON_VARIANT_OBJECT, JSON_VARIANT_NULL } JsonVariantType; union json_value { bool boolean; double real; intmax_t integer; }; typedef struct JsonVariant { JsonVariantType type; size_t size; union { char *string; struct JsonVariant *objects; union json_value value; }; } JsonVariant; int json_variant_new(JsonVariant **ret, JsonVariantType type); JsonVariant *json_variant_unref(JsonVariant *v); DEFINE_TRIVIAL_CLEANUP_FUNC(JsonVariant *, json_variant_unref); #define _cleanup_json_variant_unref_ _cleanup_(json_variant_unrefp) char *json_variant_string(JsonVariant *v); bool json_variant_bool(JsonVariant *v); intmax_t json_variant_integer(JsonVariant *v); double json_variant_real(JsonVariant *v); JsonVariant *json_variant_element(JsonVariant *v, unsigned index); JsonVariant *json_variant_value(JsonVariant *v, const char *key); #define JSON_VALUE_NULL ((union json_value) {}) int json_tokenize(const char **p, char **ret_string, union json_value *ret_value, void **state, unsigned *line); int json_parse(const char *string, JsonVariant **rv); int json_parse_measure(const char *string, size_t *size);