Method LoadWinMergeDiffsFromDiffUtilsScript3

Src/DiffWrapper.cpp:1453–1601

* @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::LoadWinMergeDiffsFromDiffUtilsScript3(
	struct change * script10, 
	struct change * script12,  
	struct change * script02,  
	const file_data * inf10, 
	const file_data * inf12,
	const file_data * inf02)
{
	DiffList diff10, diff12, diff02;
	diff10.Clear();
	diff12.Clear();
	diff02.Clear();

	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());
	
	for (int file = 0; file < 3; file++)
	{
		struct change *next = nullptr;
		int trans_a0, trans_b0, trans_a1, trans_b1;
		int first0, last0, first1, last1, deletes, inserts;
		OP_TYPE op;
		const file_data *pinf = nullptr;
		DiffList *pdiff = nullptr;
		PostFilterContext ctxt;

		switch (file)
		{
		case 0: next = script10; pdiff = &diff10; pinf = inf10; break;
		case 1: next = script12; pdiff = &diff12; pinf = inf12; break;
		case 2: next = script02; pdiff = &diff02; pinf = inf02; break;
		}

		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.  */
				analyze_hunk (thisob, &first0, &last0, &first1, &last1, &deletes, &inserts, pinf);
			
				/* Reconnect the script so it will all be freed properly.  */