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