Method LoadWinMergeDiffsFromDiffUtilsScript

Src/DiffWrapper.cpp:1279–1419

* @brief Walk the diff utils change script, building the WinMerge list of diff blocks */

 * @brief Walk the diff utils change script, building the WinMerge list of diff blocks
 */
void
CDiffWrapper::LoadWinMergeDiffsFromDiffUtilsScript(struct change * script, const file_data * file_data_ary)
{
	//Logic needed for Ignore comment option
	PostFilterContext ctxt;

	struct change *next = script;

	const bool usefilters = m_options.m_filterCommentsLines ||
		m_options.m_bIgnoreMissingTrailingEol ||
		m_options.m_bIgnoreLineBreaks ||
		(m_pFilterList && m_pFilterList->HasRegExps()) ||
		(m_pSubstitutionList && m_pSubstitutionList->HasRegExps());
	
	while (next != nullptr)
	{
		/* Find a set of changes that belong together.  */
		struct change *thisob = next;
		struct change *end = find_change(next);
		
		/* Disconnect them from the rest of the changes,
		making them a hunk, and remember the rest for next iteration.  */
		next = end->link;
		end->link = nullptr;
#ifdef DEBUG
		debug_script(thisob);
#endif

		/* Print thisob hunk.  */
		//(*printfun) (thisob);
		{					
			/* Determine range of line numbers involved in each file.  */
			int first0=0, last0=0, first1=0, last1=0, deletes=0, inserts=0;
			analyze_hunk (thisob, &first0, &last0, &first1, &last1, &deletes, &inserts, file_data_ary);
		
			/* Reconnect the script so it will all be freed properly.  */
			end->link = next;

			if (deletes || inserts || thisob->trivial)
			{
				OP_TYPE op = OP_NONE;
				if (deletes && inserts)
					op = OP_DIFF;
				else if (deletes || inserts)
					op = OP_DIFF;
				else
					op = OP_TRIVIAL;
				
				/* Print the lines that the first file has.  */
				int trans_a0=0, trans_b0=0, trans_a1=0, trans_b1=0;
				translate_range(&file_data_ary[0], first0, last0, &trans_a0, &trans_b0);
				translate_range(&file_data_ary[1], first1, last1, &trans_a1, &trans_b1);

				// Store information about these blocks in moved line info
				if (GetDetectMovedBlocks())
				{
					if (thisob->match0>=0)
					{