Function AStyleMain

astyle/src/astyle_main.cpp:3587–3663

 * No /EXPORT is required for x64
 */
extern "C" EXPORT char* STDCALL AStyleMain(const char* pSourceIn,		// the source to be formatted
                                           const char* pOptions,		// AStyle options
                                           fpError fpErrorHandler,		// error handler function
                                           fpAlloc fpMemoryAlloc)		// memory allocation function
{
	if (fpErrorHandler == NULL)         // cannot display a message if no error handler
		return NULL;

	if (pSourceIn == NULL)
	{
		fpErrorHandler(101, "No pointer to source input.");
		return NULL;
	}
	if (pOptions == NULL)
	{
		fpErrorHandler(102, "No pointer to AStyle options.");
		return NULL;
	}
	if (fpMemoryAlloc == NULL)
	{
		fpErrorHandler(103, "No pointer to memory allocation function.");
		return NULL;
	}

	ASFormatter formatter;
	ASOptions options(formatter);

	vector<string> optionsVector;
	istringstream opt(pOptions);

	options.importOptions(opt, optionsVector);

	bool ok = options.parseOptions(optionsVector, "Invalid Artistic Style options:");
	if (!ok)
		fpErrorHandler(130, options.getOptionErrors().c_str());

	istringstream in(pSourceIn);
	ASStreamIterator<istringstream> streamIterator(&in);
	ostringstream out;
	formatter.init(&streamIterator);

	while (formatter.hasMoreLines())
	{
		out << formatter.nextLine();
		if (formatter.hasMoreLines())
			out << streamIterator.getOutputEOL();
		else
		{
			// this can happen if the file if missing a closing bracket and break-blocks is requested
			if (formatter.getIsLineReady())
			{
				out << streamIterator.getOutputEOL();
				out << formatter.nextLine();
			}
		}
	}

	unsigned long textSizeOut = out.str().length();