| /* |
| * Copyright (c) 2009-2014 Petri Lehtinen <petri@digip.org> |
| * |
| * Jansson is free software; you can redistribute it and/or modify |
| * it under the terms of the MIT license. See LICENSE for details. |
| */ |
| |
| #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 7 |
| #define JANSSON_MICRO_VERSION 0 |
| |
| /* Micro version is omitted if it's 0 */ |
| #define JANSSON_VERSION "2.7" |
| |
| /* 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_NATURAL, |
| JSON_REAL, |
| JSON_TRUE, |
| JSON_FALSE, |
| JSON_NULL |
| } json_type; |
| |
| typedef struct json_t { |
| json_type type; |
| size_t refcount; |
| } json_t; |
| |
| #ifndef JANSSON_USING_CMAKE /* disabled if using cmake */ |
| #if JSON_INTEGER_IS_LONG_LONG |
| #ifdef _WIN32 |
| #define JSON_INTEGER_FORMAT "I64d" |
| #define JSON_NATURAL_FORMAT "I64u" |
| #else |
| #define JSON_INTEGER_FORMAT "lld" |
| #define JSON_NATURAL_FORMAT "llu" |
| #endif |
| typedef long long json_int_t; |
| #else |
| #define JSON_INTEGER_FORMAT "ld" |
| typedef long json_int_t; |
| #define JSON_NATURAL_FORMAT "lu" |
| #endif /* JSON_INTEGER_IS_LONG_LONG */ |
| #endif |
| |
| |
| #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_natural(json) ((json) && json_typeof(json) == JSON_NATURAL) |
| #define json_is_real(json) ((json) && json_typeof(json) == JSON_REAL) |
| #define json_is_number(json) (json_is_integer(json) || json_is_real(json) || \ |
| json_is_natural(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_boolean_value json_is_true |
| #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_stringn(const char *value, size_t len); |
| json_t *json_string_nocheck(const char *value); |
| json_t *json_stringn_nocheck(const char *value, size_t len); |
| 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 */ |
| |
| void json_object_seed(size_t seed); |
| 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)))) |
| |
| #define json_array_foreach(array, index, value) \ |
| for(index = 0; \ |
| index < json_array_size(array) && (value = json_array_get(array, index)); \ |
| index++) |
| |
| 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 ind, json_t *value) |
| { |
| return json_array_set_new(array, ind, 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 ind, json_t *value) |
| { |
| return json_array_insert_new(array, ind, json_incref(value)); |
| } |
| |
| const char *json_string_value(const json_t *string); |
| size_t json_string_length(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_setn(json_t *string, const char *value, size_t len); |
| int json_string_set_nocheck(json_t *string, const char *value); |
| int json_string_setn_nocheck(json_t *string, const char *value, size_t len); |
| 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(const json_t *value); |
| |
| |
| /* decoding */ |
| |
| #define JSON_REJECT_DUPLICATES 0x1 |
| #define JSON_DISABLE_EOF_CHECK 0x2 |
| #define JSON_DECODE_ANY 0x4 |
| #define JSON_DECODE_INT_AS_REAL 0x8 |
| #define JSON_ALLOW_NUL 0x10 |
| |
| 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_MAX_INDENT 0x1F |
| #define JSON_INDENT(n) ((n) & JSON_MAX_INDENT) |
| #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 |
| #define JSON_REAL_PRECISION(n) (((n) & 0x1F) << 11) |
| |
| 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 |