diff options
Diffstat (limited to 'system/include/jansson.h')
| -rw-r--r-- | system/include/jansson.h | 305 |
1 files changed, 305 insertions, 0 deletions
diff --git a/system/include/jansson.h b/system/include/jansson.h new file mode 100644 index 00000000..fc9d7f70 --- /dev/null +++ b/system/include/jansson.h @@ -0,0 +1,305 @@ +/* + * Copyright (c) 2009-2012 Petri Lehtinen <petri@digip.org> + * + * 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 <stdio.h> +#include <stdlib.h> /* for size_t */ +#include <stdarg.h> + +#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); +#else + #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) +#endif + +/* 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); +} + + +/* 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 |