public void AddOffset(int position, int offset)
{
if (offset == 0)
{
return;
}
if (OffsetCount == Offsets.Length)
{
Array.Resize(ref Offsets, OffsetCount + 20);
}
Offsets[OffsetCount++] = new PositionOffset(position, offset);
}
public void AddOffset(LineInfo line, int startIndex, int length)
{
if (OffsetCount + line.OffsetCount + 2 >= Offsets.Length)
{
Array.Resize(ref Offsets, Offsets.Length + line.OffsetCount + 20);
}
PositionOffset po1, po2;
if (startIndex > 0)
{
po1 = new PositionOffset(
CalculateOrigin(line.Offsets, line.OffsetCount, line.LineOffset, false, true),
startIndex);
}
else
{
po1 = EmptyPositionOffset;
}
if (line.Line.Length - startIndex - length > 0)
{
po2 = new PositionOffset(
CalculateOrigin(line.Offsets, line.OffsetCount, line.LineOffset + startIndex + length, false, true),
line.Line.Length - startIndex - length);
}
else
{
po2 = EmptyPositionOffset;
}
var indexAfterLastCopied = 0;
if (po1.Offset == 0)
{
if (po2.Offset == 0)
{
goto FINTOTAL;
}
po1 = po2;
po2 = EmptyPositionOffset;
}
for (var i = 0; i < line.OffsetCount; i++)
{
var pc = line.Offsets[i];
if (pc.Position > po1.Position)
{
if (i > indexAfterLastCopied)
{
Array.Copy(line.Offsets, indexAfterLastCopied, Offsets, OffsetCount, i - indexAfterLastCopied);
OffsetCount += i - indexAfterLastCopied;
indexAfterLastCopied = i;
}
Offsets[OffsetCount++] = po1;
po1 = po2;
if (po1.Offset == 0)
{
goto FIN;
}
po2 = EmptyPositionOffset;
}
}
FIN:
if (po1.Offset != 0)
{
Offsets[OffsetCount++] = po1;
}
if (po2.Offset != 0)
{
Offsets[OffsetCount++] = po2;
}
FINTOTAL:
Array.Copy(line.Offsets, indexAfterLastCopied, Offsets, OffsetCount, line.OffsetCount - indexAfterLastCopied);
OffsetCount += line.OffsetCount - indexAfterLastCopied;
}