/* * Copyright (c) 2009-2012 Petri Lehtinen * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ #ifndef JANSSON_H #define JANSSON_H #include #include /* for size_t */ #include #include "jansson_config.h" #ifdef __cplusplus extern "C" { #endif /* version */ #define JANSSON_MAJOR_VERSION 2 #define JANSSON_MINOR_VERSION 4 #define JANSSON_MICRO_VERSION 99 /* Micro version is omitted if it's 0 */ #define JANSSON_VERSION "2.5-dev" /* Version as a 3-byte hex number, e.g. 0x010201 == 1.2.1. Use this for numeric comparisons, e.g. #if JANSSON_VERSION_HEX >= ... */ #define JANSSON_VERSION_HEX ((JANSSON_MAJOR_VERSION << 16) | \ (JANSSON_MINOR_VERSION << 8) | \ (JANSSON_MICRO_VERSION << 0)) /* types */ typedef enum { JSON_OBJECT, JSON_ARRAY, JSON_STRING, JSON_INTEGER, JSON_REAL, JSON_TRUE, JSON_FALSE, JSON_NULL } json_type; typedef struct { json_type type; size_t refcount; } json_t; #if JSON_INTEGER_IS_LONG_LONG #ifdef _WIN32 #define JSON_INTEGER_FORMAT "I64d" #else #define JSON_INTEGER_FORMAT "lld" #endif typedef long long json_int_t; #else #define JSON_INTEGER_FORMAT "ld" typedef long json_int_t; #endif /* JSON_INTEGER_IS_LONG_LONG */ #ifdef EMSCRIPTEN extern "C" bool json_typeof(const void *object); extern "C" bool json_is_object(const void *object); extern "C" bool json_is_array(const void *object); extern "C" bool json_is_string(const void *object); extern "C" bool json_is_integer(const void *object); extern "C" bool json_is_real(const void *object); extern "C" bool json_is_number(const void *object); extern "C" bool json_is_true(const void *object); extern "C" bool json_is_false(const void *object); extern "C" bool json_is_boolean(const void *object); extern "C" bool json_is_null(const void *object); static JSON_INLINE json_t *json_incref(json_t *json) { return json; } void json_delete(json_t *json); static JSON_INLINE void json_decref(json_t *json) { json_delete(json); } #else // typedef json_t* json_ptr_t; #define json_typeof(json) ((json)->type) #define json_is_object(json) (json && json_typeof(json) == JSON_OBJECT) #define json_is_array(json) (json && json_typeof(json) == JSON_ARRAY) #define json_is_string(json) (json && json_typeof(json) == JSON_STRING) #define json_is_integer(json) (json && json_typeof(json) == JSON_INTEGER) #define json_is_real(json) (json && json_typeof(json) == JSON_REAL) #define json_is_number(json) (json_is_integer(json) || json_is_real(json)) #define json_is_true(json) (json && json_typeof(json) == JSON_TRUE) #define json_is_false(json) (json && json_typeof(json) == JSON_FALSE) #define json_is_boolean(json) (json_is_true(json) || json_is_false(json)) #define json_is_null(json) (json && json_typeof(json) == JSON_NULL) /* construction, destruction, reference counting */ json_t *json_object(void); json_t *json_array(void); json_t *json_string(const char *value); json_t *json_string_nocheck(const char *value); json_t *json_integer(json_int_t value); json_t *json_real(double value); json_t *json_true(void); json_t *json_false(void); #define json_boolean(val) ((val) ? json_true() : json_false()) json_t *json_null(void); static JSON_INLINE json_t *json_incref(json_t *json) { if(json && json->refcount != (size_t)-1) ++json->refcount; return json; } /* do not call json_delete directly */ void json_delete(json_t *json); static JSON_INLINE void json_decref(json_t *json) { if(json && json->refcount != (size_t)-1 && --json->refcount == 0) json_delete(json); } #endif /* error reporting */ #define JSON_ERROR_TEXT_LENGTH 160 #define JSON_ERROR_SOURCE_LENGTH 80 typedef struct { int line; int column; int position; char source[JSON_ERROR_SOURCE_LENGTH]; char text[JSON_ERROR_TEXT_LENGTH]; } json_error_t; /* getters, setters, manipulation */ size_t json_object_size(const json_t *object); json_t *json_object_get(const json_t *object, const char *key); int json_object_set_new(json_t *object, const char *key, json_t *value); int json_object_set_new_nocheck(json_t *object, const char *key, json_t *value); int json_object_del(json_t *object, const char *key); int json_object_clear(json_t *object); int json_object_update(json_t *object, json_t *other); int json_object_update_existing(json_t *object, json_t *other); int json_object_update_missing(json_t *object, json_t *other); void *json_object_iter(json_t *object); void *json_object_iter_at(json_t *object, const char *key); void *json_object_key_to_iter(const char *key); void *json_object_iter_next(json_t *object, void *iter); const char *json_object_iter_key(void *iter); json_t *json_object_iter_value(void *iter); int json_object_iter_set_new(json_t *object, void *iter, json_t *value); #define json_object_foreach(object, key, value) \ for(key = json_object_iter_key(json_object_iter(object)); \ key && (value = json_object_iter_value(json_object_key_to_iter(key))); \ key = json_object_iter_key(json_object_iter_next(object, json_object_key_to_iter(key)))) static JSON_INLINE int json_object_set(json_t *object, const char *key, json_t *value) { return json_object_set_new(object, key, json_incref(value)); } static JSON_INLINE int json_object_set_nocheck(json_t *object, const char *key, json_t *value) { return json_object_set_new_nocheck(object, key, json_incref(value)); } static JSON_INLINE int json_object_iter_set(json_t *object, void *iter, json_t *value) { return json_object_iter_set_new(object, iter, json_incref(value)); } size_t json_array_size(const json_t *array); json_t *json_array_get(const json_t *array, size_t index); int json_array_set_new(json_t *array, size_t index, json_t *value); int json_array_append_new(json_t *array, json_t *value); int json_array_insert_new(json_t *array, size_t index, json_t *value); int json_array_remove(json_t *array, size_t index); int json_array_clear(json_t *array); int json_array_extend(json_t *array, json_t *other); static JSON_INLINE int json_array_set(json_t *array, size_t index, json_t *value) { return json_array_set_new(array, index, json_incref(value)); } static JSON_INLINE int json_array_append(json_t *array, json_t *value) { return json_array_append_new(array, json_incref(value)); } static JSON_INLINE int json_array_insert(json_t *array, size_t index, json_t *value) { return json_array_insert_new(array, index, json_incref(value)); } const char *json_string_value(const json_t *string); json_int_t json_integer_value(const json_t *integer); double json_real_value(const json_t *real); double json_number_value(const json_t *json); int json_string_set(json_t *string, const char *value); int json_string_set_nocheck(json_t *string, const char *value); int json_integer_set(json_t *integer, json_int_t value); int json_real_set(json_t *real, double value); /* pack, unpack */ json_t *json_pack(const char *fmt, ...); json_t *json_pack_ex(json_error_t *error, size_t flags, const char *fmt, ...); json_t *json_vpack_ex(json_error_t *error, size_t flags, const char *fmt, va_list ap); #define JSON_VALIDATE_ONLY 0x1 #define JSON_STRICT 0x2 int json_unpack(json_t *root, const char *fmt, ...); int json_unpack_ex(json_t *root, json_error_t *error, size_t flags, const char *fmt, ...); int json_vunpack_ex(json_t *root, json_error_t *error, size_t flags, const char *fmt, va_list ap); /* equality */ int json_equal(json_t *value1, json_t *value2); /* copying */ json_t *json_copy(json_t *value); json_t *json_deep_copy(json_t *value); /* decoding */ #define JSON_REJECT_DUPLICATES 0x1 #define JSON_DISABLE_EOF_CHECK 0x2 #define JSON_DECODE_ANY 0x4 typedef size_t (*json_load_callback_t)(void *buffer, size_t buflen, void *data); json_t *json_loads(const char *input, size_t flags, json_error_t *error); json_t *json_loadb(const char *buffer, size_t buflen, size_t flags, json_error_t *error); json_t *json_loadf(FILE *input, size_t flags, json_error_t *error); json_t *json_load_file(const char *path, size_t flags, json_error_t *error); json_t *json_load_callback(json_load_callback_t callback, void *data, size_t flags, json_error_t *error); /* encoding */ #define JSON_INDENT(n) (n & 0x1F) #define JSON_COMPACT 0x20 #define JSON_ENSURE_ASCII 0x40 #define JSON_SORT_KEYS 0x80 #define JSON_PRESERVE_ORDER 0x100 #define JSON_ENCODE_ANY 0x200 #define JSON_ESCAPE_SLASH 0x400 typedef int (*json_dump_callback_t)(const char *buffer, size_t size, void *data); char *json_dumps(const json_t *json, size_t flags); int json_dumpf(const json_t *json, FILE *output, size_t flags); int json_dump_file(const json_t *json, const char *path, size_t flags); int json_dump_callback(const json_t *json, json_dump_callback_t callback, void *data, size_t flags); /* custom memory allocation */ typedef void *(*json_malloc_t)(size_t); typedef void (*json_free_t)(void *); void json_set_alloc_funcs(json_malloc_t malloc_fn, json_free_t free_fn); #ifdef __cplusplus } #endif #endif