From a095315b3c31f7a419baceac82c26c3c5ac0cd12 Mon Sep 17 00:00:00 2001 From: Kay Sievers Date: Tue, 9 Jun 2015 14:27:33 +0200 Subject: build-sys: split internal basic/ library from shared/ basic/ can be used by everything cannot use anything outside of basic/ libsystemd/ can use basic/ cannot use shared/ shared/ can use libsystemd/ --- src/basic/json.h | 88 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 88 insertions(+) create mode 100644 src/basic/json.h (limited to 'src/basic/json.h') diff --git a/src/basic/json.h b/src/basic/json.h new file mode 100644 index 0000000000..e0b4d810b5 --- /dev/null +++ b/src/basic/json.h @@ -0,0 +1,88 @@ +/*-*- 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 . +***/ + +#include +#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); -- cgit v1.2.3-54-g00ecf