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#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 <stddef.h>
#include <stdint.h>
#include "macro.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);
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