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author | Luke Shumaker <lukeshu@sbcglobal.net> | 2016-06-07 03:42:28 -0400 |
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committer | Luke Shumaker <lukeshu@sbcglobal.net> | 2016-06-07 03:42:28 -0400 |
commit | ab543cb05387d60a23f9d7672a9338cf03bddf55 (patch) | |
tree | 2eac9cecf19b4a07e4805d41a492554c21ce8e3c /src/libbasic/json.h | |
parent | acd190019d99fe25abf4515ca1834eb277161833 (diff) |
./move.sh
Diffstat (limited to 'src/libbasic/json.h')
-rw-r--r-- | src/libbasic/json.h | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/src/libbasic/json.h b/src/libbasic/json.h new file mode 100644 index 0000000000..a4509f680f --- /dev/null +++ b/src/libbasic/json.h @@ -0,0 +1,90 @@ +#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); |