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/* vim: set et ts=3 sw=3 ft=c:
*
* Copyright (C) 2012 James McLaughlin et al. All rights reserved.
* https://github.com/udp/json-parser
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef _JSON_H
#define _JSON_H
#ifndef json_char
#define json_char char
#endif
#ifdef __cplusplus
#include <string.h>
extern "C"
{
#endif
typedef struct
{
unsigned long max_memory;
int settings;
} json_settings;
#define json_relaxed_commas 1
typedef enum
{
json_none,
json_object,
json_array,
json_integer,
json_double,
json_string,
json_boolean,
json_null
} json_type;
extern const struct _json_value json_value_none;
typedef struct _json_value
{
struct _json_value * parent;
json_type type;
union
{
int boolean;
long long integer;
double dbl;
struct
{
unsigned int length;
json_char * ptr; /* null terminated */
} string;
struct
{
unsigned int length;
struct
{
json_char * name;
struct _json_value * value;
} * values;
} object;
struct
{
unsigned int length;
struct _json_value ** values;
} array;
} u;
union
{
struct _json_value * next_alloc;
void * object_mem;
} _reserved;
/* Some C++ operator sugar */
#ifdef __cplusplus
public:
inline _json_value ()
{ memset (this, 0, sizeof (_json_value));
}
inline const struct _json_value &operator [] (int index) const
{
if (type != json_array || index < 0
|| ((unsigned int) index) >= u.array.length)
{
return json_value_none;
}
return *u.array.values [index];
}
inline const struct _json_value &operator [] (const char * index) const
{
if (type != json_object)
return json_value_none;
for (unsigned int i = 0; i < u.object.length; ++ i)
if (!strcmp (u.object.values [i].name, index))
return *u.object.values [i].value;
return json_value_none;
}
inline operator const char * () const
{
switch (type)
{
case json_string:
return u.string.ptr;
default:
return "";
};
}
inline operator long () const
{ return u.integer;
}
inline operator bool () const
{ return u.boolean != 0;
}
#endif
} json_value;
json_value * json_parse
(const json_char * json);
json_value * json_parse_ex
(json_settings * settings, const json_char * json, char * error);
void json_value_free (json_value *);
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif
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