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281 lines
8.8 KiB
281 lines
8.8 KiB
/* |
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* Copyright (c) 2009-2013 Petri Lehtinen <petri@digip.org> |
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* |
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* Jansson is free software; you can redistribute it and/or modify |
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* it under the terms of the MIT license. See LICENSE for details. |
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*/ |
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#ifndef JANSSON_H |
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#define JANSSON_H |
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#include <stdio.h> |
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#include <stdlib.h> /* for size_t */ |
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#include <stdarg.h> |
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#include <jansson_config.h> |
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#ifdef __cplusplus |
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extern "C" { |
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#endif |
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/* version */ |
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#define JANSSON_MAJOR_VERSION 2 |
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#define JANSSON_MINOR_VERSION 5 |
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#define JANSSON_MICRO_VERSION 0 |
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/* Micro version is omitted if it's 0 */ |
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#define JANSSON_VERSION "2.5" |
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/* Version as a 3-byte hex number, e.g. 0x010201 == 1.2.1. Use this |
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for numeric comparisons, e.g. #if JANSSON_VERSION_HEX >= ... */ |
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#define JANSSON_VERSION_HEX ((JANSSON_MAJOR_VERSION << 16) | \ |
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(JANSSON_MINOR_VERSION << 8) | \ |
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(JANSSON_MICRO_VERSION << 0)) |
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/* types */ |
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typedef enum { |
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JSON_OBJECT, |
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JSON_ARRAY, |
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JSON_STRING, |
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JSON_INTEGER, |
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JSON_REAL, |
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JSON_TRUE, |
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JSON_FALSE, |
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JSON_NULL |
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} json_type; |
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typedef struct json_t { |
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json_type type; |
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size_t refcount; |
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} json_t; |
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#ifndef JANSSON_USING_CMAKE /* disabled if using cmake */ |
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#if JSON_INTEGER_IS_LONG_LONG |
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#ifdef _WIN32 |
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#define JSON_INTEGER_FORMAT "I64d" |
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#else |
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#define JSON_INTEGER_FORMAT "lld" |
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#endif |
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typedef long long json_int_t; |
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#else |
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#define JSON_INTEGER_FORMAT "ld" |
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typedef long json_int_t; |
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#endif /* JSON_INTEGER_IS_LONG_LONG */ |
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#endif |
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#define json_typeof(json) ((json)->type) |
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#define json_is_object(json) (json && json_typeof(json) == JSON_OBJECT) |
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#define json_is_array(json) (json && json_typeof(json) == JSON_ARRAY) |
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#define json_is_string(json) (json && json_typeof(json) == JSON_STRING) |
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#define json_is_integer(json) (json && json_typeof(json) == JSON_INTEGER) |
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#define json_is_real(json) (json && json_typeof(json) == JSON_REAL) |
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#define json_is_number(json) (json_is_integer(json) || json_is_real(json)) |
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#define json_is_true(json) (json && json_typeof(json) == JSON_TRUE) |
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#define json_is_false(json) (json && json_typeof(json) == JSON_FALSE) |
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#define json_is_boolean(json) (json_is_true(json) || json_is_false(json)) |
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#define json_is_null(json) (json && json_typeof(json) == JSON_NULL) |
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/* construction, destruction, reference counting */ |
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json_t *json_object(void); |
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json_t *json_array(void); |
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json_t *json_string(const char *value); |
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json_t *json_string_nocheck(const char *value); |
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json_t *json_integer(json_int_t value); |
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json_t *json_real(double value); |
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json_t *json_true(void); |
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json_t *json_false(void); |
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#define json_boolean(val) ((val) ? json_true() : json_false()) |
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json_t *json_null(void); |
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static JSON_INLINE |
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json_t *json_incref(json_t *json) |
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{ |
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if(json && json->refcount != (size_t)-1) |
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++json->refcount; |
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return json; |
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} |
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/* do not call json_delete directly */ |
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void json_delete(json_t *json); |
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static JSON_INLINE |
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void json_decref(json_t *json) |
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{ |
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if(json && json->refcount != (size_t)-1 && --json->refcount == 0) |
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json_delete(json); |
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} |
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/* error reporting */ |
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#define JSON_ERROR_TEXT_LENGTH 160 |
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#define JSON_ERROR_SOURCE_LENGTH 80 |
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typedef struct { |
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int line; |
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int column; |
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int position; |
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char source[JSON_ERROR_SOURCE_LENGTH]; |
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char text[JSON_ERROR_TEXT_LENGTH]; |
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} json_error_t; |
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/* getters, setters, manipulation */ |
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size_t json_object_size(const json_t *object); |
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json_t *json_object_get(const json_t *object, const char *key); |
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int json_object_set_new(json_t *object, const char *key, json_t *value); |
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int json_object_set_new_nocheck(json_t *object, const char *key, json_t *value); |
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int json_object_del(json_t *object, const char *key); |
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int json_object_clear(json_t *object); |
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int json_object_update(json_t *object, json_t *other); |
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int json_object_update_existing(json_t *object, json_t *other); |
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int json_object_update_missing(json_t *object, json_t *other); |
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void *json_object_iter(json_t *object); |
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void *json_object_iter_at(json_t *object, const char *key); |
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void *json_object_key_to_iter(const char *key); |
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void *json_object_iter_next(json_t *object, void *iter); |
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const char *json_object_iter_key(void *iter); |
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json_t *json_object_iter_value(void *iter); |
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int json_object_iter_set_new(json_t *object, void *iter, json_t *value); |
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#define json_object_foreach(object, key, value) \ |
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for(key = json_object_iter_key(json_object_iter(object)); \ |
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key && (value = json_object_iter_value(json_object_key_to_iter(key))); \ |
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key = json_object_iter_key(json_object_iter_next(object, json_object_key_to_iter(key)))) |
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#define json_array_foreach(array, index, value) \ |
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for(index = 0; \ |
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index < json_array_size(array) && (value = json_array_get(array, index)); \ |
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index++) |
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static JSON_INLINE |
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int json_object_set(json_t *object, const char *key, json_t *value) |
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{ |
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return json_object_set_new(object, key, json_incref(value)); |
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} |
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static JSON_INLINE |
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int json_object_set_nocheck(json_t *object, const char *key, json_t *value) |
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{ |
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return json_object_set_new_nocheck(object, key, json_incref(value)); |
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} |
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static JSON_INLINE |
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int json_object_iter_set(json_t *object, void *iter, json_t *value) |
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{ |
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return json_object_iter_set_new(object, iter, json_incref(value)); |
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} |
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size_t json_array_size(const json_t *array); |
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json_t *json_array_get(const json_t *array, size_t index); |
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int json_array_set_new(json_t *array, size_t index, json_t *value); |
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int json_array_append_new(json_t *array, json_t *value); |
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int json_array_insert_new(json_t *array, size_t index, json_t *value); |
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int json_array_remove(json_t *array, size_t index); |
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int json_array_clear(json_t *array); |
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int json_array_extend(json_t *array, json_t *other); |
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static JSON_INLINE |
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int json_array_set(json_t *array, size_t ind, json_t *value) |
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{ |
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return json_array_set_new(array, ind, json_incref(value)); |
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} |
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static JSON_INLINE |
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int json_array_append(json_t *array, json_t *value) |
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{ |
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return json_array_append_new(array, json_incref(value)); |
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} |
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static JSON_INLINE |
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int json_array_insert(json_t *array, size_t ind, json_t *value) |
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{ |
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return json_array_insert_new(array, ind, json_incref(value)); |
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} |
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const char *json_string_value(const json_t *string); |
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json_int_t json_integer_value(const json_t *integer); |
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double json_real_value(const json_t *real); |
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double json_number_value(const json_t *json); |
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int json_string_set(json_t *string, const char *value); |
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int json_string_set_nocheck(json_t *string, const char *value); |
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int json_integer_set(json_t *integer, json_int_t value); |
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int json_real_set(json_t *real, double value); |
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/* pack, unpack */ |
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json_t *json_pack(const char *fmt, ...); |
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json_t *json_pack_ex(json_error_t *error, size_t flags, const char *fmt, ...); |
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json_t *json_vpack_ex(json_error_t *error, size_t flags, const char *fmt, va_list ap); |
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#define JSON_VALIDATE_ONLY 0x1 |
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#define JSON_STRICT 0x2 |
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int json_unpack(json_t *root, const char *fmt, ...); |
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int json_unpack_ex(json_t *root, json_error_t *error, size_t flags, const char *fmt, ...); |
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int json_vunpack_ex(json_t *root, json_error_t *error, size_t flags, const char *fmt, va_list ap); |
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/* equality */ |
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int json_equal(json_t *value1, json_t *value2); |
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/* copying */ |
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json_t *json_copy(json_t *value); |
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json_t *json_deep_copy(const json_t *value); |
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/* decoding */ |
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#define JSON_REJECT_DUPLICATES 0x1 |
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#define JSON_DISABLE_EOF_CHECK 0x2 |
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#define JSON_DECODE_ANY 0x4 |
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#define JSON_DECODE_INT_AS_REAL 0x8 |
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typedef size_t (*json_load_callback_t)(void *buffer, size_t buflen, void *data); |
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json_t *json_loads(const char *input, size_t flags, json_error_t *error); |
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json_t *json_loadb(const char *buffer, size_t buflen, size_t flags, json_error_t *error); |
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json_t *json_loadf(FILE *input, size_t flags, json_error_t *error); |
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json_t *json_load_file(const char *path, size_t flags, json_error_t *error); |
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json_t *json_load_callback(json_load_callback_t callback, void *data, size_t flags, json_error_t *error); |
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/* encoding */ |
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#define JSON_INDENT(n) (n & 0x1F) |
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#define JSON_COMPACT 0x20 |
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#define JSON_ENSURE_ASCII 0x40 |
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#define JSON_SORT_KEYS 0x80 |
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#define JSON_PRESERVE_ORDER 0x100 |
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#define JSON_ENCODE_ANY 0x200 |
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#define JSON_ESCAPE_SLASH 0x400 |
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typedef int (*json_dump_callback_t)(const char *buffer, size_t size, void *data); |
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char *json_dumps(const json_t *json, size_t flags); |
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int json_dumpf(const json_t *json, FILE *output, size_t flags); |
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int json_dump_file(const json_t *json, const char *path, size_t flags); |
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int json_dump_callback(const json_t *json, json_dump_callback_t callback, void *data, size_t flags); |
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/* custom memory allocation */ |
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typedef void *(*json_malloc_t)(size_t); |
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typedef void (*json_free_t)(void *); |
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void json_set_alloc_funcs(json_malloc_t malloc_fn, json_free_t free_fn); |
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#ifdef __cplusplus |
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} |
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#endif |
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#endif
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