90 lines
2.5 KiB
C
90 lines
2.5 KiB
C
/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
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#pragma once
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/***
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This file is part of systemd.
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Copyright 2014 Lennart Poettering
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systemd is free software; you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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systemd is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with systemd; If not, see <http://www.gnu.org/licenses/>.
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***/
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#include <stdbool.h>
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#include "util.h"
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enum {
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JSON_END,
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JSON_COLON,
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JSON_COMMA,
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JSON_OBJECT_OPEN,
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JSON_OBJECT_CLOSE,
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JSON_ARRAY_OPEN,
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JSON_ARRAY_CLOSE,
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JSON_STRING,
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JSON_REAL,
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JSON_INTEGER,
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JSON_BOOLEAN,
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JSON_NULL,
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};
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typedef enum {
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JSON_VARIANT_CONTROL,
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JSON_VARIANT_STRING,
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JSON_VARIANT_INTEGER,
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JSON_VARIANT_BOOLEAN,
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JSON_VARIANT_REAL,
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JSON_VARIANT_ARRAY,
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JSON_VARIANT_OBJECT,
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JSON_VARIANT_NULL
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} JsonVariantType;
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union json_value {
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bool boolean;
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double real;
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intmax_t integer;
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};
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typedef struct JsonVariant {
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JsonVariantType type;
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size_t size;
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union {
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char *string;
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struct JsonVariant *objects;
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union json_value value;
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};
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} JsonVariant;
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int json_variant_new(JsonVariant **ret, JsonVariantType type);
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JsonVariant *json_variant_unref(JsonVariant *v);
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DEFINE_TRIVIAL_CLEANUP_FUNC(JsonVariant *, json_variant_unref);
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#define _cleanup_json_variant_unref_ _cleanup_(json_variant_unrefp)
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char *json_variant_string(JsonVariant *v);
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bool json_variant_bool(JsonVariant *v);
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intmax_t json_variant_integer(JsonVariant *v);
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double json_variant_real(JsonVariant *v);
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JsonVariant *json_variant_element(JsonVariant *v, unsigned index);
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JsonVariant *json_variant_value(JsonVariant *v, const char *key);
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#define JSON_VALUE_NULL ((union json_value) {})
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int json_tokenize(const char **p, char **ret_string, union json_value *ret_value, void **state, unsigned *line);
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int json_parse(const char *string, JsonVariant **rv);
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int json_parse_measure(const char *string, size_t *size);
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