Json.h
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/******************************************************************************
* Spine Runtimes License Agreement
* Last updated May 1, 2019. Replaces all prior versions.
*
* Copyright (c) 2013-2019, Esoteric Software LLC
*
* Integration of the Spine Runtimes into software or otherwise creating
* derivative works of the Spine Runtimes is permitted under the terms and
* conditions of Section 2 of the Spine Editor License Agreement:
* http://esotericsoftware.com/spine-editor-license
*
* Otherwise, it is permitted to integrate the Spine Runtimes into software
* or otherwise create derivative works of the Spine Runtimes (collectively,
* "Products"), provided that each user of the Products must obtain their own
* Spine Editor license and redistribution of the Products in any form must
* include this license and copyright notice.
*
* THIS SOFTWARE IS PROVIDED BY ESOTERIC SOFTWARE LLC "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 ESOTERIC SOFTWARE LLC BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, BUSINESS
* INTERRUPTION, OR LOSS OF USE, DATA, OR PROFITS) 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 Spine_Json_h
#define Spine_Json_h
#include <spine/SpineObject.h>
#ifndef SPINE_JSON_HAVE_PREV
/* spine doesn't use the "prev" link in the Json sibling lists. */
#define SPINE_JSON_HAVE_PREV 0
#endif
namespace spine {
class SP_API Json : public SpineObject {
friend class SkeletonJson;
public:
/* Json Types: */
static const int JSON_FALSE;
static const int JSON_TRUE;
static const int JSON_NULL;
static const int JSON_NUMBER;
static const int JSON_STRING;
static const int JSON_ARRAY;
static const int JSON_OBJECT;
/* Get item "string" from object. Case insensitive. */
static Json *getItem(Json *object, const char *string);
static const char *getString(Json *object, const char *name, const char *defaultValue);
static float getFloat(Json *object, const char *name, float defaultValue);
static int getInt(Json *object, const char *name, int defaultValue);
static bool getBoolean(Json *object, const char *name, bool defaultValue);
/* For analysing failed parses. This returns a pointer to the parse error. You'll probably need to look a few chars back to make sense of it. Defined when Json_create() returns 0. 0 when Json_create() succeeds. */
static const char *getError();
/* Supply a block of JSON, and this returns a Json object you can interrogate. Call Json_dispose when finished. */
explicit Json(const char *value);
~Json();
private:
static const char *_error;
Json *_next;
#if SPINE_JSON_HAVE_PREV
Json* _prev; /* next/prev allow you to walk array/object chains. Alternatively, use getSize/getItem */
#endif
Json *_child; /* An array or object item will have a child pointer pointing to a chain of the items in the array/object. */
int _type; /* The type of the item, as above. */
int _size; /* The number of children. */
const char *_valueString; /* The item's string, if type==JSON_STRING */
int _valueInt; /* The item's number, if type==JSON_NUMBER */
float _valueFloat; /* The item's number, if type==JSON_NUMBER */
const char *_name; /* The item's name string, if this item is the child of, or is in the list of subitems of an object. */
/* Utility to jump whitespace and cr/lf */
static const char *skip(const char *inValue);
/* Parser core - when encountering text, process appropriately. */
static const char *parseValue(Json *item, const char *value);
/* Parse the input text into an unescaped cstring, and populate item. */
static const char *parseString(Json *item, const char *str);
/* Parse the input text to generate a number, and populate the result into item. */
static const char *parseNumber(Json *item, const char *num);
/* Build an array from input text. */
static const char *parseArray(Json *item, const char *value);
/* Build an object from the text. */
static const char *parseObject(Json *item, const char *value);
static int json_strcasecmp(const char *s1, const char *s2);
};
}
#endif /* Spine_Json_h */