Method processSwitchBlock

astyle/src/ASEnhancer.cpp:638–717

* process the character at the current index in a switch block. * * @param line a reference to the line to indent. * @param index the current line index. * @return the new line index. */

 * @return              the new line index.
 */
size_t ASEnhancer::processSwitchBlock(string &line, size_t index)
{
	size_t i = index;
	bool isPotentialKeyword = isCharPotentialHeader(line, i);

	if (line[i] == '{')
	{
		sw.switchBracketCount++;
		if (lookingForCaseBracket)                      // if 1st after case statement
		{
			sw.unindentCase = true;                     // unindenting this case
			sw.unindentDepth++;
			lookingForCaseBracket = false;              // not looking now
		}
		return i;
	}
	lookingForCaseBracket = false;                      // no opening bracket, don't indent

	if (line[i] == '}')
	{
		sw.switchBracketCount--;
		assert(sw.switchBracketCount <= bracketCount);
		if (sw.switchBracketCount == 0)                 // if end of switch statement
		{
			int lineUnindent = sw.unindentDepth;
			if (line.find_first_not_of(" \t") == i
			        && !switchStack.empty())
				lineUnindent = switchStack[switchStack.size() - 1].unindentDepth;
			if (shouldUnindentLine)
			{
				if (lineUnindent > 0)
					i -= unindentLine(line, lineUnindent);
				shouldUnindentLine = false;
			}
			switchDepth--;
			sw = switchStack.back();
			switchStack.pop_back();
		}
		return i;
	}

	if (isPotentialKeyword
	        && (findKeyword(line, i, "case") || findKeyword(line, i, "default")))
	{
		if (sw.unindentCase)					// if unindented last case
		{
			sw.unindentCase = false;			// stop unindenting previous case
			sw.unindentDepth--;
		}

		i = findCaseColon(line, i);

		i++;
		for (; i < line.length(); i++)			// bypass whitespace
		{
			if (!isWhiteSpace(line[i]))
				break;
		}