97 lines
2.3 KiB
C#
97 lines
2.3 KiB
C#
using System.IO;
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namespace CdgLib
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{
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/// <summary>
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/// </summary>
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public class CdgFileIoStream
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{
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private Stream _cdgFile;
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/// <summary>
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/// </summary>
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public CdgFileIoStream()
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{
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_cdgFile = null;
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}
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/// <summary>
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/// Reads the specified buf.
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/// </summary>
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/// <param name="buf">The buf.</param>
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/// <param name="bufSize">The buf_size.</param>
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/// <returns></returns>
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public int Read(ref byte[] buf, int bufSize)
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{
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return _cdgFile.Read(buf, 0, bufSize);
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}
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/// <summary>
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/// Writes the specified buf.
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/// </summary>
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/// <param name="buf">The buf.</param>
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/// <param name="bufSize">The buf_size.</param>
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/// <returns></returns>
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public int Write(ref byte[] buf, int bufSize)
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{
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_cdgFile.Write(buf, 0, bufSize);
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return 1;
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}
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/// <summary>
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/// Seeks the specified offset.
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/// </summary>
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/// <param name="offset">The offset.</param>
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/// <param name="whence">The whence.</param>
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/// <returns></returns>
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public int Seek(int offset, SeekOrigin whence)
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{
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return (int)_cdgFile.Seek(offset, whence);
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}
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/// <summary>
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/// EOFs this instance.
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/// </summary>
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/// <returns></returns>
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public bool Eof()
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{
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return _cdgFile.Position >= _cdgFile.Length;
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}
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/// <summary>
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/// Getsizes this instance.
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/// </summary>
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/// <returns></returns>
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public int Getsize()
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{
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return (int)_cdgFile.Length;
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}
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/// <summary>
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/// Opens the specified filename.
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/// </summary>
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/// <param name="filename">The filename.</param>
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/// <returns></returns>
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public bool Open(string filename)
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{
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Close();
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_cdgFile = new FileStream(filename, FileMode.Open);
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return _cdgFile != null;
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}
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/// <summary>
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/// Closes this instance.
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/// </summary>
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public void Close()
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{
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if (_cdgFile != null)
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{
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_cdgFile.Close();
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_cdgFile = null;
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}
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}
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}
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}
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