// 读取下一个字符
private byte GetNextByte()
{
try
{
if (EndOfCode)
{
return(0);
}
OldRowIndex = RowIndex;
OldColIndex = ColIndex;
if (ColIndex >= mCodeManager.GetCodeLength(RowIndex))
{
RowIndex++;
ColIndex = 0;
}
if (RowIndex >= mCodeManager.GetCodeCount())
{
EndOfCode = true;
return(0);
}
byte b = mCodeManager.GetCodeByte(new URank(RowIndex, ColIndex));
ColIndex++;
return(b);
}
catch (Exception ex)
{
throw ex;
}
}
public void Execute()
{
mRemovedCharacter = mCodeManager.GetCodeByte(mPosition);
mCodeManager.RemoveCharacter(mPosition);
}
public void Execute()
{
mOldCharacter = mCodeManager.GetCodeByte(mPosition);
mCodeManager.ReplaceCharacter(mPosition, mNewCharacter);
}
