public Buffer(Stream codeStream, Encoding encoding)
{
CodeStreamReader = new StreamReader(codeStream, encoding, true);
FillPendingBuffer();
BufferStr = PendingBufferStr;
FillPendingBuffer();
HeadStr = BufferStr.Substring(0, Math.Min(HeadStringSize, BufferStr.Length));
BufferStr = BufferStr.Substring(HeadStr.Length);
}
public int Pop(int count)
{
#if DEBUG
if (HeadStr.Length > HeadStringSize)
{
throw new Exception("wtf?!");
}
#endif
if (count > HeadStringSize || count < 1)
{
throw new ArgumentOutOfRangeException(nameof(count), "count must be between 1 and 100");
}
var poped = Math.Min(HeadStr.Length, count);
string popedValue;
string[] lines;
if (poped < count)
{
popedValue = HeadStr.Substring(0, poped);
HeadStr = "";
lines = popedValue.Split('\n');
Line += lines.Length - 1;
Column = lines.Length > 1 ? lines.Last().Length + 1 : Column + poped;
return(poped);
}
if (BufferStr.Length < poped)
{
BufferStr += PendingBufferStr;
PendingBufferStr = "";
FillPendingBuffer();
}
if (BufferStr.Length < poped)
{
HeadStr += BufferStr;
BufferStr = "";
popedValue = HeadStr.Substring(0, poped);
HeadStr = HeadStr.Substring(poped);
lines = popedValue.Split('\n');
Line += lines.Length - 1;
Column = lines.Length > 1 ? lines.Last().Length + 1 : Column + poped;
return(poped);
}
HeadStr += BufferStr.Substring(0, poped);
popedValue = HeadStr.Substring(0, poped);
HeadStr = HeadStr.Substring(poped);
BufferStr = BufferStr.Substring(poped);
lines = popedValue.Split('\n');
Line += lines.Length - 1;
Column = lines.Length > 1 ? lines.Last().Length + 1 : Column + poped;
return(poped);
}