Method GetWordDiffArray

Src/MergeDocLineDiffs.cpp:445–501

* @brief Return array of differences in specified line * This is used by algorithm for line diff coloring * (Line diff coloring is distinct from the selection highlight code) */

 * (Line diff coloring is distinct from the selection highlight code)
 */
std::vector<WordDiff> CMergeDoc::GetWordDiffArray(int nLineIndex, bool ignoreDiffOptions/*=false*/)
{
	int file;
	DIFFRANGE cd;
	std::vector<WordDiff> worddiffs;

	for (file = 0; file < m_nBuffers; file++)
	{
		if (nLineIndex >= m_ptBuf[file]->GetLineCount())
			return worddiffs;
	}

	int nDiff = m_diffList.LineToDiff(nLineIndex);
	if (nDiff == -1)
		return worddiffs;
	if (!ignoreDiffOptions)
	{
		std::map<int, std::vector<WordDiff> >::iterator itmap = m_cacheWordDiffs.find(nDiff);
		if (itmap != m_cacheWordDiffs.end())
		{
			worddiffs.resize((*itmap).second.size());
			std::copy((*itmap).second.begin(), (*itmap).second.end(), worddiffs.begin());
			return worddiffs;
		}
	}

	m_diffList.GetDiff(nDiff, cd);

	bool diffPerLine = IsDiffPerLine(m_ptBuf[0]->GetTableEditing(), cd);

	int nLineBegin[3]{}, nLineEnd[3]{};
	if (!diffPerLine)
	{
		for (int pane = 0; pane < m_nBuffers; ++pane)
		{
			nLineBegin[pane] = cd.dbegin;
			nLineEnd[pane] = cd.dend;
		}
	}
	else
	{
		for (int pane = 0; pane < m_nBuffers; ++pane)
		{
			nLineBegin[pane] = nLineEnd[pane] = nLineIndex;
		}
	}

	worddiffs = GetWordDiffArrayInRange(nLineBegin, nLineEnd, ignoreDiffOptions);

	if (!diffPerLine && !ignoreDiffOptions)
	{
		m_cacheWordDiffs[nDiff].resize(worddiffs.size());
		std::copy(worddiffs.begin(), worddiffs.end(), m_cacheWordDiffs[nDiff].begin());
	}

	return worddiffs;
}