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200 lines
5.8 KiB
200 lines
5.8 KiB
/* |
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* Copyright (c) 2009, 2010 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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#ifdef WIN32 |
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#define snprintf(...) _snprintf(__VA_ARGS__) |
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#define strdup(x) _strdup(x) |
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#endif |
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#ifdef WIN32 |
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#define inline __inline |
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#endif |
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#ifndef __cplusplus |
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#define JSON_INLINE inline |
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#else |
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#define JSON_INLINE inline |
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extern "C" { |
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#endif |
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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 { |
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json_type type; |
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unsigned long refcount; |
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} json_t; |
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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(int 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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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 != (unsigned int)-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 != (unsigned int)-1 && --json->refcount == 0) |
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json_delete(json); |
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} |
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/* getters, setters, manipulation */ |
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unsigned int 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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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_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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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 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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unsigned int json_array_size(const json_t *array); |
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json_t *json_array_get(const json_t *array, unsigned int index); |
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int json_array_set_new(json_t *array, unsigned int 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, unsigned int index, json_t *value); |
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int json_array_remove(json_t *array, unsigned int 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, unsigned int index, json_t *value) |
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{ |
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return json_array_set_new(array, index, 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, unsigned int index, json_t *value) |
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{ |
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return json_array_insert_new(array, index, json_incref(value)); |
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} |
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const char *json_string_value(const json_t *string); |
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int 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, int value); |
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int json_real_set(json_t *real, double value); |
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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(json_t *value); |
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/* loading, printing */ |
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#define JSON_ERROR_TEXT_LENGTH 160 |
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typedef struct { |
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char text[JSON_ERROR_TEXT_LENGTH]; |
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int line; |
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} json_error_t; |
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json_t *json_loads(const char *input, json_error_t *error); |
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json_t *json_loadf(FILE *input, json_error_t *error); |
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json_t *json_load_file(const char *path, json_error_t *error); |
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#define JSON_INDENT(n) (n & 0xFF) |
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#define JSON_COMPACT 0x100 |
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#define JSON_ENSURE_ASCII 0x200 |
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#define JSON_SORT_KEYS 0x400 |
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#define JSON_PRESERVE_ORDER 0x800 |
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char *json_dumps(const json_t *json, unsigned long flags); |
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int json_dumpf(const json_t *json, FILE *output, unsigned long flags); |
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int json_dump_file(const json_t *json, const char *path, unsigned long flags); |
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#ifdef __cplusplus |
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} |
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#endif |
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#endif
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