/****************************************************************************
Copyright (c) 2010-2012 cocos2d-x.org
Copyright (c) 2009-2010 Ricardo Quesada
Copyright (c) 2011      Zynga Inc.

http://www.cocos2d-x.org

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
****************************************************************************/


#ifndef __CC_TM_XML_PARSER__
#define __CC_TM_XML_PARSER__

#include "cocoa/CCArray.h"
#include "cocoa/CCDictionary.h"
#include "cocoa/CCGeometry.h"
#include "platform/CCSAXParser.h"

#include <string>

NS_CC_BEGIN

class CCTMXObjectGroup;

/** @file
* Internal TMX parser
*
* IMPORTANT: These classed should not be documented using doxygen strings
* since the user should not use them.
*
*/

/**
 * @addtogroup tilemap_parallax_nodes
 * @{
 */

enum {
    TMXLayerAttribNone = 1 << 0,
    TMXLayerAttribBase64 = 1 << 1,
    TMXLayerAttribGzip = 1 << 2,
    TMXLayerAttribZlib = 1 << 3,
};

enum {
    TMXPropertyNone,
    TMXPropertyMap,
    TMXPropertyLayer,
    TMXPropertyObjectGroup,
    TMXPropertyObject,
    TMXPropertyTile
};

typedef enum ccTMXTileFlags_ {
    kCCTMXTileHorizontalFlag        = 0x80000000,
    kCCTMXTileVerticalFlag            = 0x40000000,
    kCCTMXTileDiagonalFlag            = 0x20000000,
    kCCFlipedAll                    = (kCCTMXTileHorizontalFlag|kCCTMXTileVerticalFlag|kCCTMXTileDiagonalFlag),
    kCCFlippedMask                    = ~(kCCFlipedAll)
} ccTMXTileFlags;

// Bits on the far end of the 32-bit global tile ID (GID's) are used for tile flags

/** @brief CCTMXLayerInfo contains the information about the layers like:
- Layer name
- Layer size
- Layer opacity at creation time (it can be modified at runtime)
- Whether the layer is visible (if it's not visible, then the CocosNode won't be created)

This information is obtained from the TMX file.
*/
class CC_DLL CCTMXLayerInfo : public CCObject
{
    CC_PROPERTY(CCDictionary*, _properties, Properties);
public:
    std::string         _name;
    CCSize              _layerSize;
    unsigned int        *_tiles;
    bool                _visible;
    unsigned char       _opacity;
    bool                _ownTiles;
    unsigned int        _minGID;
    unsigned int        _maxGID;
    CCPoint             _offset;
public:
    CCTMXLayerInfo();
    virtual ~CCTMXLayerInfo();
};

/** @brief CCTMXTilesetInfo contains the information about the tilesets like:
- Tileset name
- Tileset spacing
- Tileset margin
- size of the tiles
- Image used for the tiles
- Image size

This information is obtained from the TMX file. 
*/
class CC_DLL CCTMXTilesetInfo : public CCObject
{
public:
    std::string     _name;
    unsigned int    _firstGid;
    CCSize          _tileSize;
    unsigned int    _spacing;
    unsigned int    _margin;
    //! filename containing the tiles (should be spritesheet / texture atlas)
    std::string     _sourceImage;
    //! size in pixels of the image
    CCSize          _imageSize;
public:
    CCTMXTilesetInfo();
    virtual ~CCTMXTilesetInfo();
    CCRect rectForGID(unsigned int gid);
};

/** @brief CCTMXMapInfo contains the information about the map like:
- Map orientation (hexagonal, isometric or orthogonal)
- Tile size
- Map size

And it also contains:
- Layers (an array of TMXLayerInfo objects)
- Tilesets (an array of TMXTilesetInfo objects)
- ObjectGroups (an array of TMXObjectGroupInfo objects)

This information is obtained from the TMX file.

*/
class CC_DLL CCTMXMapInfo : public CCObject, public CCSAXDelegator
{    
public:    
    /// map orientation
    CC_SYNTHESIZE(int,    _orientation, Orientation);
    /// map width & height
    CC_SYNTHESIZE_PASS_BY_REF(CCSize, _mapSize, MapSize);
    /// tiles width & height
    CC_SYNTHESIZE_PASS_BY_REF(CCSize, _tileSize, TileSize);
    /// Layers
    CC_PROPERTY(CCArray*, _layers, Layers);
    /// tilesets
    CC_PROPERTY(CCArray*, _tilesets, Tilesets);
    /// ObjectGroups
    CC_PROPERTY(CCArray*, _objectGroups, ObjectGroups);
    /// parent element
    CC_SYNTHESIZE(int, _parentElement, ParentElement);
    /// parent GID
    CC_SYNTHESIZE(unsigned int, _parentGID, ParentGID);
    /// layer attribs
    CC_SYNTHESIZE(int, _layerAttribs, LayerAttribs);
    /// is storing characters?
    CC_SYNTHESIZE(bool, _storingCharacters, StoringCharacters);
    /// properties
    CC_PROPERTY(CCDictionary*, _properties, Properties);
public:    
    CCTMXMapInfo();
    virtual ~CCTMXMapInfo();
    /** creates a TMX Format with a tmx file */
    static CCTMXMapInfo * formatWithTMXFile(const char *tmxFile);
    /** creates a TMX Format with an XML string and a TMX resource path */
    static CCTMXMapInfo * formatWithXML(const char* tmxString, const char* resourcePath);
    /** initializes a TMX format with a  tmx file */
    bool initWithTMXFile(const char *tmxFile);
    /** initializes a TMX format with an XML string and a TMX resource path */
    bool initWithXML(const char* tmxString, const char* resourcePath);
    /** initializes parsing of an XML file, either a tmx (Map) file or tsx (Tileset) file */
    bool parseXMLFile(const char *xmlFilename);
    /* initializes parsing of an XML string, either a tmx (Map) string or tsx (Tileset) string */
    bool parseXMLString(const char *xmlString);

    CCDictionary* getTileProperties();
    void setTileProperties(CCDictionary* tileProperties);

    // implement pure virtual methods of CCSAXDelegator
    void startElement(void *ctx, const char *name, const char **atts);
    void endElement(void *ctx, const char *name);
    void textHandler(void *ctx, const char *ch, int len);
    
    inline const char* getCurrentString(){ return _currentString.c_str(); }
    inline void setCurrentString(const char *currentString){ _currentString = currentString; }
    inline const char* getTMXFileName(){ return _TMXFileName.c_str(); }
    inline void setTMXFileName(const char *fileName){ _TMXFileName = fileName; }
private:
    void internalInit(const char* tmxFileName, const char* resourcePath);
protected:
    //! tmx filename
    std::string _TMXFileName;
    // tmx resource path
    std::string _resources;
    //! current string
    std::string _currentString;
    //! tile properties
    CCDictionary* _tileProperties;
    unsigned int _currentFirstGID;
};

// end of tilemap_parallax_nodes group
/// @}

NS_CC_END

#endif