Method InsertString

scintilla/src/CellBuffer.cxx:395–408

The char* returned is to an allocation owned by the undo history

// The char* returned is to an allocation owned by the undo history
const char *CellBuffer::InsertString(int position, const char *s, int insertLength, bool &startSequence) {
	char *data = 0;
	// InsertString and DeleteChars are the bottleneck though which all changes occur
	if (!readOnly) {
		if (collectingUndo) {
			// Save into the undo/redo stack, but only the characters - not the formatting
			// This takes up about half load time
			uh.AppendAction(insertAction, position, s, insertLength, startSequence);
		}

		BasicInsertString(position, s, insertLength);
	}
	return data;
}

bool CellBuffer::SetStyleAt(int position, char styleValue, char mask) {
	styleValue &= mask;