Merging r5975 through r6036 from trunk to ogl-es branch.

GLES drivers adapted, but only did make compile-tests.


git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/branches/ogl-es@6038 dfc29bdd-3216-0410-991c-e03cc46cb475

source/Irrlicht/irrXML.cpp

@@ -0,0 +1,185 @@
+// Copyright (C) 2002-2012 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
+
+#include "irrXML.h"
+
+#ifdef _IRR_COMPILE_WITH_XML_
+
+#include "irrString.h"
+#include "irrArray.h"
+#include "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(-1), Close(true)
+	{
+		// open file
+		File = fopen(filename, "rb");
+
+		if (File)
+			getFileSize();
+	}
+
+	//! construct from FILE pointer
+	CFileReadCallBack(FILE* file)
+		: File(file), Size(-1), 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) _IRR_OVERRIDE_
+	{
+		if (!File)
+			return 0;
+
+		return (int)fread(buffer, 1, sizeToRead, File);
+	}
+
+	//! Returns size of file in bytes
+	virtual long getSize() const _IRR_OVERRIDE_
+	{
+		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;
+	long Size;
+	bool Close;
+
+}; // end class CFileReadCallBack
+
+
+
+// FACTORY FUNCTIONS:
+
+
+//! Creates an instance of an UFT-8 or ASCII character xml parser.
+IRRLICHT_API IrrXMLReader* IRRCALLCONV createIrrXMLReader(const char* filename)
+{
+	return createIrrXMLReader(new CFileReadCallBack(filename), true);
+}
+
+
+//! Creates an instance of an UFT-8 or ASCII character xml parser.
+IRRLICHT_API IrrXMLReader* IRRCALLCONV createIrrXMLReader(FILE* file)
+{
+	return createIrrXMLReader(new CFileReadCallBack(file), true);
+}
+
+
+//! Creates an instance of an UFT-8 or ASCII character xml parser.
+IRRLICHT_API IrrXMLReader* IRRCALLCONV createIrrXMLReader(IFileReadCallBack* callback,
+														  bool deleteCallback)
+{
+	if (callback && (callback->getSize() >= 0))
+	{
+		return new CXMLReaderImpl<char, IXMLBase>(callback, deleteCallback);
+	}
+	else
+	{
+		if(callback && deleteCallback)
+			delete callback;
+
+		return 0;
+	}
+}
+
+
+//! Creates an instance of an UTF-16 xml parser.
+IRRLICHT_API IrrXMLReaderUTF16* IRRCALLCONV createIrrXMLReaderUTF16(const char* filename)
+{
+	return createIrrXMLReaderUTF16(new CFileReadCallBack(filename), true);
+}
+
+
+//! Creates an instance of an UTF-16 xml parser.
+IRRLICHT_API IrrXMLReaderUTF16* IRRCALLCONV createIrrXMLReaderUTF16(FILE* file)
+{
+	return createIrrXMLReaderUTF16(new CFileReadCallBack(file), true);
+}
+
+
+//! Creates an instance of an UTF-16 xml parser.
+IRRLICHT_API IrrXMLReaderUTF16* IRRCALLCONV createIrrXMLReaderUTF16(IFileReadCallBack* callback,
+																	bool deleteCallback)
+{
+	if (callback && (callback->getSize() >= 0))
+	{
+		return new CXMLReaderImpl<char16, IXMLBase>(callback, deleteCallback);
+	}
+	else
+	{
+		if(callback && deleteCallback)
+			delete callback;
+
+		return 0;
+	}
+}
+
+
+//! Creates an instance of an UTF-32 xml parser.
+IRRLICHT_API IrrXMLReaderUTF32* IRRCALLCONV createIrrXMLReaderUTF32(const char* filename)
+{
+	return createIrrXMLReaderUTF32(new CFileReadCallBack(filename), true);
+}
+
+
+//! Creates an instance of an UTF-32 xml parser.
+IRRLICHT_API IrrXMLReaderUTF32* IRRCALLCONV createIrrXMLReaderUTF32(FILE* file)
+{
+	return createIrrXMLReaderUTF32(new CFileReadCallBack(file), true);
+}
+
+
+//! Creates an instance of an UTF-32 xml parser.
+IRRLICHT_API IrrXMLReaderUTF32* IRRCALLCONV createIrrXMLReaderUTF32(
+		IFileReadCallBack* callback, bool deleteCallback)
+{
+	if (callback && (callback->getSize() >= 0))
+	{
+		return new CXMLReaderImpl<char32, IXMLBase>(callback, deleteCallback);
+	}
+	else
+	{
+		if(callback && deleteCallback)
+			delete callback;
+
+		return 0;
+	}
+}
+
+
+} // end namespace io
+} // end namespace irr
+
+#endif // _IRR_COMPILE_WITH_XML_