public DocumentRange GetRange(int length)
{
CharacterAndCoordinate at = this.GetAt(0);
DocumentCoordinate coordinate = at.Coordinate;
CharacterAndCoordinate characterAndCoordinate = this.GetAt(length);
DocumentCoordinate documentCoordinate = characterAndCoordinate.Coordinate;
for (int i = length - 1; documentCoordinate.Column == 0 && i >= 0; i--)
{
CharacterAndCoordinate at1 = this.GetAt(i);
char character = at1.Character;
if (character != 0)
{
if (character == '\r' || character == '\n')
{
documentCoordinate = at1.Coordinate;
break;
}
else
{
DocumentCoordinate coordinate1 = at1.Coordinate;
documentCoordinate = coordinate1.NextColumn();
}
}
}
return(new DocumentRange(this.m_documentPath, coordinate, documentCoordinate));
}
public char this[int offset]
{
get
{
CharacterAndCoordinate at = this.GetAt(offset);
return(at.Character);
}
}
private CharacterAndCoordinate GetAt(int offset)
{
while (offset > this.m_buffer.Count - 1)
{
if (!this.m_enumerator.MoveNext())
{
CharacterAndCoordinate mLastReadPosition = new CharacterAndCoordinate();
mLastReadPosition.Coordinate = this.m_lastReadPosition;
return mLastReadPosition;
}
else
{
CharacterAndCoordinate current = this.m_enumerator.Current;
this.m_buffer.Add(current);
this.m_lastReadPosition = current.Coordinate;
}
}
return this.m_buffer[offset];
}
private CharacterAndCoordinate GetAt(int offset)
{
while (offset > this.m_buffer.Count - 1)
{
if (!this.m_enumerator.MoveNext())
{
CharacterAndCoordinate mLastReadPosition = new CharacterAndCoordinate();
mLastReadPosition.Coordinate = this.m_lastReadPosition;
return(mLastReadPosition);
}
else
{
CharacterAndCoordinate current = this.m_enumerator.Current;
this.m_buffer.Add(current);
this.m_lastReadPosition = current.Coordinate;
}
}
return(this.m_buffer[offset]);
}
