/// <summary>
/// 打开字节流
/// </summary>
/// <param name="buf"></param>
/// <param name="mode"></param>
/// <returns></returns>
public bool OpenMem(byte[] buf, OPEN_MODE mode)
{
if (m_Opened)
{
Close();
}
if (null == buf)
{
return(false);
}
m_Stream = new MemoryStream(buf, mode == OPEN_MODE.OPEN_READ ? false : true);
if (m_Stream == null)
{
return(false);
}
m_Opened = true;
if (mode == OPEN_MODE.OPEN_READ)
{
m_Reader = new BinaryReader(m_Stream, m_CurEncoding);
}
else
{
m_Writer = new BinaryWriter(m_Stream, m_CurEncoding);
}
return(true);
}
public override bool Open(string path, OPEN_MODE mode)
{
if (!base.Open(path, mode))
{
return(false);
}
return(true);
}
public override bool OpenMem(byte[] buf, OPEN_MODE mode)
{
if (!base.OpenMem(buf, mode))
{
return(false);
}
if (mode == OPEN_MODE.OPEN_READ)
{
Reader = new StreamReader(mStream, CurEncoding);
}
else
{
Writer = new StreamWriter(mStream, CurEncoding);
}
return(true);
}
public override bool Open(string path, OPEN_MODE mode)
{
if (!base.Open(path, mode))
{
return(false);
}
if (mode == OPEN_MODE.OPEN_READ)
{
Reader = new BinaryReader(mStream, CurEncoding);
}
else
{
Writer = new BinaryWriter(mStream, CurEncoding);
}
return(true);
}
public virtual bool OpenMem(byte[] buf, OPEN_MODE mode)
{
if (mOpened)
{
Close();
}
if (null == buf)
{
return(false);
}
mStream = new MemoryStream(buf, mode == OPEN_MODE.OPEN_READ ? false : true);
if (mStream == null)
{
return(false);
}
mOpened = true;
return(true);
}
/// <summary>
/// 打开
/// </summary>
/// <param name="path"></param>
/// <param name="mode"></param>
/// <returns></returns>
public bool Open(string path, OPEN_MODE mode)
{
if (m_Opened)
{
Close();
}
FileMode filemode = FileMode.Open;
if (mode == OPEN_MODE.OPEN_WRITE)
{
filemode = FileMode.OpenOrCreate;
}
else if (mode == OPEN_MODE.OPEN_WRITE_CREATE)
{
filemode = FileMode.Create;
}
FileAccess access = (mode == OPEN_MODE.OPEN_READ) ? FileAccess.Read : FileAccess.ReadWrite;
if (access == FileAccess.Read)
{
if (!File.Exists(path))
{
return(false);
}
}
else
{
if (File.Exists(path))
{
File.SetAttributes(path, FileAttributes.Normal);
}
}
try
{
m_Stream = new FileStream(path, filemode, access, FileShare.ReadWrite);
if (m_Stream == null)
{
return(false);
}
m_Opened = true;
}
catch (Exception ex)
{
Debug.LogError("异常:" + ex.ToString());
}
if (mode == OPEN_MODE.OPEN_READ)
{
m_Reader = new BinaryReader(m_Stream, m_CurEncoding);
}
else
{
m_Writer = new BinaryWriter(m_Stream, m_CurEncoding);
}
return(true);
}
/// <summary>
/// 写入文件
/// </summary>
/// <param name="path"></param>
/// <param name="mode"></param>
/// <returns></returns>
public bool OpenWrite(string path, OPEN_MODE mode = OPEN_MODE.OPEN_WRITE)
{
return(Open(path, mode));
}
public virtual bool Open(string path, OPEN_MODE mode)
{
if (mOpened)
{
Close();
}
FileMode filemode = FileMode.Open;
if (mode == OPEN_MODE.OPEN_WRITE)
{
filemode = FileMode.OpenOrCreate;
}
else if (mode == OPEN_MODE.OPEN_WRITE_CREATE)
{
filemode = FileMode.Create;
}
else if (mode == OPEN_MODE.OPEN_APPEND)
{
filemode = FileMode.Append;
}
FileAccess access = (mode == OPEN_MODE.OPEN_READ) ? FileAccess.Read : FileAccess.ReadWrite;
if (filemode == FileMode.Append)
{
access = FileAccess.Write;
}
if (access == FileAccess.Read)
{
// read, check exist
if (!File.Exists(path))
{
return(false);
}
}
else
{
// write or create
if (File.Exists(path))
{
File.SetAttributes(path, FileAttributes.Normal);
}
}
try
{
mStream = new FileStream(path, filemode, access, FileShare.ReadWrite);
if (mStream == null)
{
return(false);
}
FilePath = path;
mOpened = true;
}
catch (Exception ex)
{
}
return(true);
}
