152 lines
3.3 KiB
C++
152 lines
3.3 KiB
C++
// Copyright (C) 2002-2005 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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// Need to include Assimp, too. We're using Assimp's version of fast_atof
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// so we need stdint.h. But no PCH.
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#include "irrXML.h"
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#include "irrString.h"
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#include "irrArray.h"
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#include "./../../code/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(0), 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(0), 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)
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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 int getSize()
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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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int 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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IrrXMLReader* createIrrXMLReader(const char* filename)
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{
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return new CXMLReaderImpl<char, IXMLBase>(new CFileReadCallBack(filename));
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}
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//! Creates an instance of an UFT-8 or ASCII character xml parser.
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IrrXMLReader* createIrrXMLReader(FILE* file)
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{
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return new CXMLReaderImpl<char, IXMLBase>(new CFileReadCallBack(file));
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}
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//! Creates an instance of an UFT-8 or ASCII character xml parser.
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IrrXMLReader* createIrrXMLReader(IFileReadCallBack* callback)
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{
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return new CXMLReaderImpl<char, IXMLBase>(callback, false);
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}
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//! Creates an instance of an UTF-16 xml parser.
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IrrXMLReaderUTF16* createIrrXMLReaderUTF16(const char* filename)
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{
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return new CXMLReaderImpl<char16, IXMLBase>(new CFileReadCallBack(filename));
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}
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//! Creates an instance of an UTF-16 xml parser.
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IrrXMLReaderUTF16* createIrrXMLReaderUTF16(FILE* file)
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{
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return new CXMLReaderImpl<char16, IXMLBase>(new CFileReadCallBack(file));
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}
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//! Creates an instance of an UTF-16 xml parser.
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IrrXMLReaderUTF16* createIrrXMLReaderUTF16(IFileReadCallBack* callback)
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{
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return new CXMLReaderImpl<char16, IXMLBase>(callback, false);
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}
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//! Creates an instance of an UTF-32 xml parser.
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IrrXMLReaderUTF32* createIrrXMLReaderUTF32(const char* filename)
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{
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return new CXMLReaderImpl<char32, IXMLBase>(new CFileReadCallBack(filename));
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}
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//! Creates an instance of an UTF-32 xml parser.
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IrrXMLReaderUTF32* createIrrXMLReaderUTF32(FILE* file)
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{
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return new CXMLReaderImpl<char32, IXMLBase>(new CFileReadCallBack(file));
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}
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//! Creates an instance of an UTF-32 xml parser.
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IrrXMLReaderUTF32* createIrrXMLReaderUTF32(IFileReadCallBack* callback)
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{
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return new CXMLReaderImpl<char32, IXMLBase>(callback, false);
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}
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} // end namespace io
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} // end namespace irr
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