public override bool CanRead(string file, IOSystem ioHandler, bool checkSig)
{
string extension = GetExtension(file);
if (extension == "fbx")
{
return true;
}
else if ((extension.Length == 0 || checkSig) && ioHandler != null)
{
var tokens = new string[] {"FBX"};
return SearchFileHeaderForToken(ioHandler, file, tokens);
}
return false;
}
/// <summary>
/// A utility for CanRead().
/// </summary>
/// <remarks>
/// The function searches the header of a file for a specific token
/// and returns true if this token is found. This works for text
/// files only. There is a rudimentary handling of UNICODE files.
/// The comparison is case independent.
/// </remarks>
/// <param name="iosystem">IO System to work with</param>
/// <param name="file">File name of the file</param>
/// <param name="tokens">List of tokens to search for</param>
/// <param name="searchBytes">Size of the token array</param>
/// <param name="tokensSol">Number of bytes to be searched for the tokens.</param>
public static bool SearchFileHeaderForToken(IOSystem iosystem, string file, string[] tokens, int searchBytes = 200, bool tokensSol = false)
{
Debug.Assert(tokens != null && tokens.Length > 0 && searchBytes != 0);
if (iosystem == null)
{
return false;
}
var stream = iosystem.Open(file);
if (stream != null)
{
var buffer = new byte[searchBytes];
var read = stream.Read(buffer, 0, searchBytes);
if (read == 0)
{
return false;
}
throw (new NotImplementedException());
}
return true;
}
protected static bool CheckMagicToken(IOSystem ioHandler, string file, string[] magic, int num, int offset = 0, int size = 4)
{
throw (new NotImplementedException());
}
public abstract bool CanRead(string file, IOSystem ioHandler, bool checkSig);
