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/******************************************************************************
* $Id: ogr_svg.h 22110 2011-04-03 19:05:10Z rouault $
*
* Project: SVG Translator
* Purpose: Definition of classes for OGR .svg driver.
* Author: Even Rouault, even dot rouault at mines dash paris dot org
*
******************************************************************************
* Copyright (c) 2011, Even Rouault
*
* 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 _OGR_SVG_H_INCLUDED
#define _OGR_SVG_H_INCLUDED
#include "ogrsf_frmts.h"
#ifdef HAVE_EXPAT
#include "ogr_expat.h"
#endif
class OGRSVGDataSource;
typedef enum
{
SVG_POINTS,
SVG_LINES,
SVG_POLYGONS,
} SVGGeometryType;
/************************************************************************/
/* OGRSVGLayer */
/************************************************************************/
class OGRSVGLayer : public OGRLayer
{
OGRFeatureDefn* poFeatureDefn;
OGRSpatialReference *poSRS;
OGRSVGDataSource* poDS;
CPLString osLayerName;
SVGGeometryType svgGeomType;
int nTotalFeatures;
int nNextFID;
VSILFILE* fpSVG; /* Large file API */
#ifdef HAVE_EXPAT
XML_Parser oParser;
XML_Parser oSchemaParser;
#endif
char* pszSubElementValue;
int nSubElementValueLen;
int iCurrentField;
OGRFeature* poFeature;
OGRFeature ** ppoFeatureTab;
int nFeatureTabLength;
int nFeatureTabIndex;
int depthLevel;
int interestingDepthLevel;
int inInterestingElement;
int bStopParsing;
int nWithoutEventCounter;
int nDataHandlerCounter;
OGRSVGLayer *poCurLayer;
private:
void LoadSchema();
public:
OGRSVGLayer(const char *pszFilename,
const char* layerName,
SVGGeometryType svgGeomType,
OGRSVGDataSource* poDS);
~OGRSVGLayer();
virtual void ResetReading();
virtual OGRFeature * GetNextFeature();
virtual const char* GetName() { return osLayerName.c_str(); }
virtual OGRwkbGeometryType GetGeomType();
virtual int GetFeatureCount( int bForce = TRUE );
virtual OGRFeatureDefn * GetLayerDefn();
virtual int TestCapability( const char * );
virtual OGRSpatialReference*GetSpatialRef();
#ifdef HAVE_EXPAT
void startElementCbk(const char *pszName, const char **ppszAttr);
void endElementCbk(const char *pszName);
void dataHandlerCbk(const char *data, int nLen);
void startElementLoadSchemaCbk(const char *pszName, const char **ppszAttr);
void endElementLoadSchemaCbk(const char *pszName);
void dataHandlerLoadSchemaCbk(const char *data, int nLen);
#endif
};
/************************************************************************/
/* OGRSVGDataSource */
/************************************************************************/
typedef enum
{
SVG_VALIDITY_UNKNOWN,
SVG_VALIDITY_INVALID,
SVG_VALIDITY_VALID
} OGRSVGValidity;
class OGRSVGDataSource : public OGRDataSource
{
char* pszName;
OGRSVGLayer** papoLayers;
int nLayers;
OGRSVGValidity eValidity;
int bIsCloudmade;
#ifdef HAVE_EXPAT
XML_Parser oCurrentParser;
int nDataHandlerCounter;
#endif
public:
OGRSVGDataSource();
~OGRSVGDataSource();
int Open( const char * pszFilename,
int bUpdate );
virtual const char* GetName() { return pszName; }
virtual int GetLayerCount() { return nLayers; }
virtual OGRLayer* GetLayer( int );
virtual int TestCapability( const char * );
#ifdef HAVE_EXPAT
void startElementValidateCbk(const char *pszName, const char **ppszAttr);
void dataHandlerValidateCbk(const char *data, int nLen);
#endif
};
/************************************************************************/
/* OGRSVGDriver */
/************************************************************************/
class OGRSVGDriver : public OGRSFDriver
{
public:
~OGRSVGDriver();
const char* GetName();
OGRDataSource* Open( const char *, int );
virtual int TestCapability( const char * );
};
#endif /* ndef _OGR_SVG_H_INCLUDED */
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