Copy irrlichtmt to <root>/irr/

irr/src/CMemoryFile.h

@@ -0,0 +1,99 @@
+// Copyright (C) 2002-2012 Nikolaus Gebhardt
+// This file is part of the "Irrlicht Engine".
+// For conditions of distribution and use, see copyright notice in irrlicht.h
+
+#pragma once
+
+#include "IMemoryReadFile.h"
+#include "IWriteFile.h"
+#include "irrString.h"
+
+namespace irr
+{
+
+namespace io
+{
+
+/*!
+	Class for reading from memory.
+*/
+class CMemoryReadFile : public IMemoryReadFile
+{
+public:
+	//! Constructor
+	CMemoryReadFile(const void *memory, long len, const io::path &fileName, bool deleteMemoryWhenDropped);
+
+	//! Destructor
+	virtual ~CMemoryReadFile();
+
+	//! returns how much was read
+	size_t read(void *buffer, size_t sizeToRead) override;
+
+	//! changes position in file, returns true if successful
+	bool seek(long finalPos, bool relativeMovement = false) override;
+
+	//! returns size of file
+	long getSize() const override;
+
+	//! returns where in the file we are.
+	long getPos() const override;
+
+	//! returns name of file
+	const io::path &getFileName() const override;
+
+	//! Get the type of the class implementing this interface
+	EREAD_FILE_TYPE getType() const override
+	{
+		return ERFT_MEMORY_READ_FILE;
+	}
+
+	//! Get direct access to internal buffer
+	const void *getBuffer() const override
+	{
+		return Buffer;
+	}
+
+private:
+	const void *Buffer;
+	long Len;
+	long Pos;
+	io::path Filename;
+	bool deleteMemoryWhenDropped;
+};
+
+/*!
+	Class for writing to memory.
+*/
+class CMemoryWriteFile : public IWriteFile
+{
+public:
+	//! Constructor
+	CMemoryWriteFile(void *memory, long len, const io::path &fileName, bool deleteMemoryWhenDropped);
+
+	//! Destructor
+	virtual ~CMemoryWriteFile();
+
+	//! returns how much was written
+	size_t write(const void *buffer, size_t sizeToWrite) override;
+
+	//! changes position in file, returns true if successful
+	bool seek(long finalPos, bool relativeMovement = false) override;
+
+	//! returns where in the file we are.
+	long getPos() const override;
+
+	//! returns name of file
+	const io::path &getFileName() const override;
+
+	bool flush() override;
+
+private:
+	void *Buffer;
+	long Len;
+	long Pos;
+	io::path Filename;
+	bool deleteMemoryWhenDropped;
+};
+
+} // end namespace io
+} // end namespace irr