Method undoStreamComment

src/scintillaeditview.cpp:2324–2519

}

bool ScintillaEditView::undoStreamComment(bool tryBlockComment)
{
	QByteArray commentStart;
	QByteArray commentEnd;
	QByteArray commentLineSymbol;

	QByteArray symbolStart;
	QByteArray symbolEnd;
	QByteArray symbol;

	const int charbufLen = 10;
	QByteArray charbuf;
	charbuf.reserve(charbufLen);

	bool retVal = false;

	QsciLexer* pLexer = this->lexer();
	//-- Avoid side-effects (e.g. cursor moves number of comment-characters) when file is read-only.
	if (this->isReadOnly())
		return false;

	if (pLexer->lexer() == nullptr)
	{
		return false;
	}
	else
	{
		commentLineSymbol = pLexer->getCommentLineSymbol();
		commentStart = pLexer->getCommentStart();
		commentEnd = pLexer->getCommentEnd();
	}


	// BlockToStreamComment: If there is no stream-comment symbol and we came not from doBlockComment, try the block comment:
	if (commentStart.isEmpty() || commentEnd.isEmpty())
	{
		if (!commentLineSymbol.isEmpty() && tryBlockComment)
			return doBlockComment(cm_uncomment);
		else
			return false;
	}

	QByteArray start_comment(commentStart);
	QByteArray end_comment(commentEnd);
	QByteArray white_space(" ");
	size_t start_comment_length = start_comment.length();
	size_t end_comment_length = end_comment.length();

	// do as long as stream-comments are within selection
	do
	{
		auto selectionStart = this->execute(SCI_GETSELECTIONSTART);
		auto selectionEnd = this->execute(SCI_GETSELECTIONEND);
		auto caretPosition = this->execute(SCI_GETCURRENTPOS);
		auto docLength = this->execute(SCI_GETLENGTH);

		// checking if caret is located in _beginning_ of selected block
		bool move_caret = caretPosition < selectionEnd;