Method findObjCColonAlignment

plugins/astyle/3rdparty/libastyle/ASFormatter.cpp:7952–8074

Find the colon alignment for Objective-C method definitions and method calls.

// Find the colon alignment for Objective-C method definitions and method calls.
int ASFormatter::findObjCColonAlignment() const
{
	assert(currentChar == '+' || currentChar == '-' || currentChar == '[');
	assert(getAlignMethodColon());

	bool isFirstLine = true;
	bool haveFirstColon = false;
	bool foundMethodColon = false;
	bool isInComment_ = false;
	bool isInQuote_ = false;
	bool haveTernary = false;
	char quoteChar_ = ' ';
	int  sqBracketCount = 0;
	int  colonAdjust = 0;
	int  colonAlign = 0;
	string nextLine_ = currentLine;
	ASPeekStream stream(sourceIterator);

	// peek next line
	while (sourceIterator->hasMoreLines() || isFirstLine)
	{
		if (!isFirstLine)
			nextLine_ = stream.peekNextLine();
		// parse the line
		haveFirstColon = false;
		nextLine_ = ASBeautifier::trim(nextLine_);
		for (size_t i = 0; i < nextLine_.length(); i++)
		{
			if (isWhiteSpace(nextLine_[i]))
				continue;
			if (nextLine_.compare(i, 2, "/*") == 0)
				isInComment_ = true;
			if (isInComment_)
			{
				if (nextLine_.compare(i, 2, "*/") == 0)
				{
					isInComment_ = false;
					++i;
				}
				continue;
			}
			if (nextLine_[i] == '\\')
			{
				++i;
				continue;
			}
			if (isInQuote_)
			{
				if (nextLine_[i] == quoteChar_)
					isInQuote_ = false;
				continue;
			}

			if (nextLine_[i] == '"'
			        || (nextLine_[i] == '\'' && !isDigitSeparator(nextLine_, i)))
			{
				isInQuote_ = true;
				quoteChar_ = nextLine_[i];