cbacac5975
Added functions: json_array_insert json_array_insert_new json_array_remove json_array_clear json_array_extend
141 lines
4.1 KiB
C
141 lines
4.1 KiB
C
/*
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* Copyright (c) 2009 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 <stdint.h>
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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_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 inline 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 inline 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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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_del(json_t *object, const char *key);
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void *json_object_iter(json_t *object);
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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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static 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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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 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 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 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 *json);
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int json_integer_value(const json_t *json);
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double json_real_value(const json_t *json);
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double json_number_value(const json_t *json);
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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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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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#endif
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