text: /*
   * This source file is part of libRocket, the HTML/CSS Interface Middleware
   *
   * For the latest information, see http://www.librocket.com
   *
   * Copyright (c) 2008-2010 CodePoint Ltd, Shift Technology Ltd
   *
   * Permission is hereby granted, free of charge, to any person obtaining a copy
   * of this software and associated documentation files (the "Software"), to deal
   * in the Software without restriction, including without limitation the rights
   * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   * copies of the Software, and to permit persons to whom the Software is
   * furnished to do so, subject to the following conditions:
   *
   * The above copyright notice and this permission notice shall be included in
   * all copies or substantial portions of the Software.
   * 
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
   * THE SOFTWARE.
   *
   */
  
  #ifndef ROCKETCORESTREAMFILE_H
  #define ROCKETCORESTREAMFILE_H
  
  #include "Stream.h"
  #include "Types.h"
  
  namespace Rocket {
  namespace Core {
  
  /**
  	@author Peter Curry
   */
  
  class StreamFile : public Stream
  {
  public:
  	StreamFile();
  	virtual ~StreamFile();
  
  	/// Attempts to open the stream pointing at a given location.
  	bool Open(const String& path);
  	/// Closes the stream.
  	virtual void Close();
  
  	/// Returns the size of this stream (in bytes).
  	virtual size_t Length() const;
  
  	/// Returns the position of the stream pointer (in bytes).
  	virtual size_t Tell() const;
  	/// Sets the stream position (in bytes).
  	virtual bool Seek(long offset, int origin) const;
  
  	/// Read from the stream.
  	virtual size_t Read(void* buffer, size_t bytes) const;
  	using Stream::Read;
  
  	/// Write to the stream at the current position.
  	virtual size_t Write(const void* buffer, size_t bytes);
  	using Stream::Write;
  
  	/// Truncate the stream to the specified length.
  	virtual size_t Truncate(size_t bytes);
  
  	/// Returns true if the stream is ready for reading, false otherwise.
  	virtual bool IsReadReady();
  	/// Returns false.
  	virtual bool IsWriteReady();
  
  private:
  	// Determines the length of the stream.
  	void GetLength();
  
  	FileHandle file_handle;
  	size_t length;
  };
  
  }
  }
  
  #endif
  