nuclear@0: // Copyright (C) 2002-2005 Nikolaus Gebhardt
nuclear@0: // This file is part of the "Irrlicht Engine" and the "irrXML" project.
nuclear@0: // For conditions of distribution and use, see copyright notice in irrlicht.h and/or irrXML.h
nuclear@0: 
nuclear@0: // Need to include Assimp, too. We're using Assimp's version of fast_atof
nuclear@0: // so we need stdint.h. But no PCH.
nuclear@0: 
nuclear@0: #include "AssimpPCH.h"
nuclear@0: 
nuclear@0: #include "irrXML.h"
nuclear@0: #include "irrString.h"
nuclear@0: #include "irrArray.h"
nuclear@0: #include "fast_atof.h"
nuclear@0: #include "CXMLReaderImpl.h"
nuclear@0: 
nuclear@0: namespace irr
nuclear@0: {
nuclear@0: namespace io
nuclear@0: {
nuclear@0: 
nuclear@0: //! Implementation of the file read callback for ordinary files
nuclear@0: class CFileReadCallBack : public IFileReadCallBack
nuclear@0: {
nuclear@0: public:
nuclear@0: 
nuclear@0: 	//! construct from filename
nuclear@0: 	CFileReadCallBack(const char* filename)
nuclear@0: 		: File(0), Size(0), Close(true)
nuclear@0: 	{
nuclear@0: 		// open file
nuclear@0: 		File = fopen(filename, "rb");
nuclear@0: 
nuclear@0: 		if (File)
nuclear@0: 			getFileSize();
nuclear@0: 	}
nuclear@0: 
nuclear@0: 	//! construct from FILE pointer
nuclear@0: 	CFileReadCallBack(FILE* file)
nuclear@0: 		: File(file), Size(0), Close(false)
nuclear@0: 	{
nuclear@0: 		if (File)
nuclear@0: 			getFileSize();
nuclear@0: 	}
nuclear@0: 
nuclear@0: 	//! destructor
nuclear@0: 	virtual ~CFileReadCallBack()
nuclear@0: 	{
nuclear@0: 		if (Close && File)
nuclear@0: 			fclose(File);
nuclear@0: 	}
nuclear@0: 
nuclear@0: 	//! Reads an amount of bytes from the file.
nuclear@0: 	virtual int read(void* buffer, int sizeToRead)
nuclear@0: 	{
nuclear@0: 		if (!File)
nuclear@0: 			return 0;
nuclear@0: 
nuclear@0: 		return (int)fread(buffer, 1, sizeToRead, File);
nuclear@0: 	}
nuclear@0: 
nuclear@0: 	//! Returns size of file in bytes
nuclear@0: 	virtual int getSize()
nuclear@0: 	{
nuclear@0: 		return Size;
nuclear@0: 	}
nuclear@0: 
nuclear@0: private:
nuclear@0: 
nuclear@0: 	//! retrieves the file size of the open file
nuclear@0: 	void getFileSize()
nuclear@0: 	{
nuclear@0: 		fseek(File, 0, SEEK_END);
nuclear@0: 		Size = ftell(File);
nuclear@0: 		fseek(File, 0, SEEK_SET);
nuclear@0: 	}
nuclear@0: 
nuclear@0: 	FILE* File;
nuclear@0: 	int Size;
nuclear@0: 	bool Close;
nuclear@0: 
nuclear@0: }; // end class CFileReadCallBack
nuclear@0: 
nuclear@0: 
nuclear@0: 
nuclear@0: // FACTORY FUNCTIONS:
nuclear@0: 
nuclear@0: 
nuclear@0: //! Creates an instance of an UFT-8 or ASCII character xml parser. 
nuclear@0: IrrXMLReader* createIrrXMLReader(const char* filename)
nuclear@0: {
nuclear@0: 	return new CXMLReaderImpl<char, IXMLBase>(new CFileReadCallBack(filename)); 
nuclear@0: }
nuclear@0: 
nuclear@0: 
nuclear@0: //! Creates an instance of an UFT-8 or ASCII character xml parser. 
nuclear@0: IrrXMLReader* createIrrXMLReader(FILE* file)
nuclear@0: {
nuclear@0: 	return new CXMLReaderImpl<char, IXMLBase>(new CFileReadCallBack(file)); 
nuclear@0: }
nuclear@0: 
nuclear@0: 
nuclear@0: //! Creates an instance of an UFT-8 or ASCII character xml parser. 
nuclear@0: IrrXMLReader* createIrrXMLReader(IFileReadCallBack* callback)
nuclear@0: {
nuclear@0: 	return new CXMLReaderImpl<char, IXMLBase>(callback, false); 
nuclear@0: }
nuclear@0: 
nuclear@0: 
nuclear@0: //! Creates an instance of an UTF-16 xml parser. 
nuclear@0: IrrXMLReaderUTF16* createIrrXMLReaderUTF16(const char* filename)
nuclear@0: {
nuclear@0: 	return new CXMLReaderImpl<char16, IXMLBase>(new CFileReadCallBack(filename)); 
nuclear@0: }
nuclear@0: 
nuclear@0: 
nuclear@0: //! Creates an instance of an UTF-16 xml parser. 
nuclear@0: IrrXMLReaderUTF16* createIrrXMLReaderUTF16(FILE* file)
nuclear@0: {
nuclear@0: 	return new CXMLReaderImpl<char16, IXMLBase>(new CFileReadCallBack(file)); 
nuclear@0: }
nuclear@0: 
nuclear@0: 
nuclear@0: //! Creates an instance of an UTF-16 xml parser. 
nuclear@0: IrrXMLReaderUTF16* createIrrXMLReaderUTF16(IFileReadCallBack* callback)
nuclear@0: {
nuclear@0: 	return new CXMLReaderImpl<char16, IXMLBase>(callback, false); 
nuclear@0: }
nuclear@0: 
nuclear@0: 
nuclear@0: //! Creates an instance of an UTF-32 xml parser. 
nuclear@0: IrrXMLReaderUTF32* createIrrXMLReaderUTF32(const char* filename)
nuclear@0: {
nuclear@0: 	return new CXMLReaderImpl<char32, IXMLBase>(new CFileReadCallBack(filename)); 
nuclear@0: }
nuclear@0: 
nuclear@0: 
nuclear@0: //! Creates an instance of an UTF-32 xml parser. 
nuclear@0: IrrXMLReaderUTF32* createIrrXMLReaderUTF32(FILE* file)
nuclear@0: {
nuclear@0: 	return new CXMLReaderImpl<char32, IXMLBase>(new CFileReadCallBack(file)); 
nuclear@0: }
nuclear@0: 
nuclear@0: 
nuclear@0: //! Creates an instance of an UTF-32 xml parser. 
nuclear@0: IrrXMLReaderUTF32* createIrrXMLReaderUTF32(IFileReadCallBack* callback)
nuclear@0: {
nuclear@0: 	return new CXMLReaderImpl<char32, IXMLBase>(callback, false); 
nuclear@0: }
nuclear@0: 
nuclear@0: 
nuclear@0: } // end namespace io
nuclear@0: } // end namespace irr