public override ITextStorage CloneSection(int startLine, int startChar, int endLine, int endCharPlusOne)
{
if (startLine == endLine)
{
return base.CloneSection(startLine, startChar, endLine, endCharPlusOne);
}
else
{
LineEndingInfo lineEndingInfo;
Utf8SplayGapBuffer bufferCopy = new Utf8SplayGapBuffer(
buffer,
startLine + 1,
endLine - (startLine + 1),
null,
out lineEndingInfo);
string start = Encoding.UTF8.GetString(buffer.GetLine(startLine));
string end = Encoding.UTF8.GetString(buffer.GetLine(endLine));
bufferCopy.InsertLine(0, Encoding.UTF8.GetBytes(start.Substring(startChar)));
bufferCopy.SetLine(endLine - startLine, Encoding.UTF8.GetBytes(end.Substring(0, endCharPlusOne)));
return new Utf8GapStorage((Utf8SplayGapStorageFactory)factory, bufferCopy);
}
}
public Utf8SplayGapBuffer(Utf8SplayGapBuffer source, int startLine, int countLines, Encoding encoding, out LineEndingInfo lineEndingInfo)
: this(new VectorReadStream(
source.vector,
source.GetStartIndexOfLineRelative(startLine, source.prefixLength),
source.GetStartIndexOfLineRelative(startLine + countLines, source.prefixLength)
- source.GetStartIndexOfLineRelative(startLine, source.prefixLength)),
false/*detectBom*/,
encoding,
out lineEndingInfo)
{
}
public Utf8GapStorage(Utf8SplayGapStorageFactory factory, Utf8SplayGapBuffer buffer)
: base(factory)
{
this.buffer = buffer;
}
