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git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@6000 dfc29bdd-3216-0410-991c-e03cc46cb475
186 lines
4.1 KiB
C++
186 lines
4.1 KiB
C++
// Copyright (C) 2002-2012 Nikolaus Gebhardt
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// This file is part of the "Irrlicht Engine" and the "irrXML" project.
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// For conditions of distribution and use, see copyright notice in irrlicht.h and/or irrXML.h
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#include "irrXML.h"
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#ifdef _IRR_COMPILE_WITH_XML_
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#include "irrString.h"
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#include "irrArray.h"
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#include "fast_atof.h"
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#include "CXMLReaderImpl.h"
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namespace irr
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{
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namespace io
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{
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//! Implementation of the file read callback for ordinary files
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class CFileReadCallBack : public IFileReadCallBack
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{
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public:
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//! construct from filename
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CFileReadCallBack(const char* filename)
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: File(0), Size(-1), Close(true)
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{
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// open file
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File = fopen(filename, "rb");
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if (File)
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getFileSize();
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}
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//! construct from FILE pointer
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CFileReadCallBack(FILE* file)
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: File(file), Size(-1), Close(false)
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{
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if (File)
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getFileSize();
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}
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//! destructor
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virtual ~CFileReadCallBack()
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{
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if (Close && File)
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fclose(File);
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}
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//! Reads an amount of bytes from the file.
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virtual int read(void* buffer, int sizeToRead) _IRR_OVERRIDE_
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{
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if (!File)
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return 0;
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return (int)fread(buffer, 1, sizeToRead, File);
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}
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//! Returns size of file in bytes
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virtual long getSize() const _IRR_OVERRIDE_
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{
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return Size;
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}
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private:
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//! retrieves the file size of the open file
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void getFileSize()
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{
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fseek(File, 0, SEEK_END);
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Size = ftell(File);
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fseek(File, 0, SEEK_SET);
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}
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FILE* File;
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long Size;
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bool Close;
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}; // end class CFileReadCallBack
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// FACTORY FUNCTIONS:
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//! Creates an instance of an UFT-8 or ASCII character xml parser.
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IRRLICHT_API IrrXMLReader* IRRCALLCONV createIrrXMLReader(const char* filename)
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{
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return createIrrXMLReader(new CFileReadCallBack(filename), true);
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}
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//! Creates an instance of an UFT-8 or ASCII character xml parser.
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IRRLICHT_API IrrXMLReader* IRRCALLCONV createIrrXMLReader(FILE* file)
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{
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return createIrrXMLReader(new CFileReadCallBack(file), true);
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}
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//! Creates an instance of an UFT-8 or ASCII character xml parser.
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IRRLICHT_API IrrXMLReader* IRRCALLCONV createIrrXMLReader(IFileReadCallBack* callback,
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bool deleteCallback)
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{
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if (callback && (callback->getSize() >= 0))
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{
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return new CXMLReaderImpl<char, IXMLBase>(callback, deleteCallback);
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}
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else
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{
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if(callback && deleteCallback)
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delete callback;
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return 0;
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}
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}
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//! Creates an instance of an UTF-16 xml parser.
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IRRLICHT_API IrrXMLReaderUTF16* IRRCALLCONV createIrrXMLReaderUTF16(const char* filename)
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{
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return createIrrXMLReaderUTF16(new CFileReadCallBack(filename), true);
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}
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//! Creates an instance of an UTF-16 xml parser.
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IRRLICHT_API IrrXMLReaderUTF16* IRRCALLCONV createIrrXMLReaderUTF16(FILE* file)
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{
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return createIrrXMLReaderUTF16(new CFileReadCallBack(file), true);
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}
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//! Creates an instance of an UTF-16 xml parser.
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IRRLICHT_API IrrXMLReaderUTF16* IRRCALLCONV createIrrXMLReaderUTF16(IFileReadCallBack* callback,
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bool deleteCallback)
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{
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if (callback && (callback->getSize() >= 0))
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{
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return new CXMLReaderImpl<char16, IXMLBase>(callback, deleteCallback);
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}
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else
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{
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if(callback && deleteCallback)
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delete callback;
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return 0;
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}
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}
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//! Creates an instance of an UTF-32 xml parser.
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IRRLICHT_API IrrXMLReaderUTF32* IRRCALLCONV createIrrXMLReaderUTF32(const char* filename)
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{
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return createIrrXMLReaderUTF32(new CFileReadCallBack(filename), true);
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}
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//! Creates an instance of an UTF-32 xml parser.
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IRRLICHT_API IrrXMLReaderUTF32* IRRCALLCONV createIrrXMLReaderUTF32(FILE* file)
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{
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return createIrrXMLReaderUTF32(new CFileReadCallBack(file), true);
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}
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//! Creates an instance of an UTF-32 xml parser.
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IRRLICHT_API IrrXMLReaderUTF32* IRRCALLCONV createIrrXMLReaderUTF32(
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IFileReadCallBack* callback, bool deleteCallback)
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{
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if (callback && (callback->getSize() >= 0))
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{
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return new CXMLReaderImpl<char32, IXMLBase>(callback, deleteCallback);
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}
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else
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{
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if(callback && deleteCallback)
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delete callback;
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return 0;
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}
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}
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} // end namespace io
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} // end namespace irr
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#endif // _IRR_COMPILE_WITH_XML_
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