public TextBuffer NewLine(long newLineSize = ResizeColumnDelta, long howManyLines = 1)
{
BufferLine[] tmp = new BufferLine[_buffer.LongLength + howManyLines];
BufferLine newLine;
if (_pos.Column < _buffer[_pos.Line].TextLength)
{
newLine = new BufferLine(_buffer[_pos.Line].TextLength - _pos.Column + newLineSize);
newLine.CopyFrom(_buffer[_pos.Line], 0, _pos.Column);
_buffer[_pos.Line].Erase(_pos.Column);
}
else
{
newLine = new BufferLine(newLineSize);
}
long l, dl;
for (l = 0; l <= _pos.Line && l < _buffer.LongLength; ++l)
{
tmp[l] = _buffer[l];
}
for (dl = 0; dl < howManyLines; ++dl)
{
tmp[l + dl] = newLine;
}
for (; l < _buffer.LongLength; ++l)
{
tmp[l + dl] = _buffer[l];
}
_buffer = tmp;
return(this);
}
public BufferLine Merge(BufferLine source)
{
if ((TextLength + source.TextLength + 1) >= LongLength)
{
Resize(TextLength + source.LongLength + 1);
}
CopyFrom(source, TextLength);
return(this);
}
public TextBuffer(long lines, long columns)
{
_maxCol = columns;
_maxLine = lines;
_buffer = new BufferLine[_maxLine];
for (int l = 0; l < _maxLine; ++l)
{
_buffer[l] = new BufferLine(_maxCol);
}
}
public void CopyFrom(BufferLine source, long dstIndex, long srcIndex = 0L)
{
if (LongLength <= dstIndex + source.TextLength - srcIndex)
{
throw new IndexOutOfRangeException("Copied content is too big for destination!");
}
for (long c = 0; c + srcIndex < source.TextLength && c + dstIndex < _bufferLine.LongLength; ++c)
{
_bufferLine[dstIndex + c] = source[c + srcIndex];
}
_occupyBajts = dstIndex + source.TextLength - srcIndex;
}
public void CopyTo(BufferLine destination, long dstIndex, long srcIndex = 0L)
{
destination.CopyFrom(this, dstIndex, srcIndex);
}
