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DiffUtils: Introduce DiffChunkInfo

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Avoid code repetition.

Change-Id: Iea9acef8f8b27793528fa7eaf7044e12dcd21d10
Reviewed-by: Orgad Shaneh <orgads@gmail.com>
This commit is contained in:
Jarek Kobus
2022-09-29 19:13:12 +02:00
parent daa942393a
commit b677fbe992
6 changed files with 73 additions and 108 deletions
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36
src/plugins/diffeditor/diffutils.cpp
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@@ -15,6 +15,42 @@ using namespace Utils;
namespace DiffEditor {
static int forBlockNumber(const QMap<int, QPair<int, int>> &chunkInfo, int blockNumber,
const std::function<int (int, int, int)> &func)
{
if (chunkInfo.isEmpty())
return -1;
auto it = chunkInfo.upperBound(blockNumber);
if (it == chunkInfo.constBegin())
return -1;
--it;
if (blockNumber < it.key() + it.value().first)
return func(it.key(), it.value().first, it.value().second);
return -1;
}
int DiffChunkInfo::chunkRowForBlockNumber(int blockNumber) const
{
return forBlockNumber(m_chunkInfo, blockNumber, [blockNumber](int startBlockNumber, int, int)
{ return blockNumber - startBlockNumber; });
}
int DiffChunkInfo::chunkRowsCountForBlockNumber(int blockNumber) const
{
return forBlockNumber(m_chunkInfo, blockNumber,
[](int, int rowsCount, int) { return rowsCount; });
}
int DiffChunkInfo::chunkIndexForBlockNumber(int blockNumber) const
{
return forBlockNumber(m_chunkInfo, blockNumber,
[](int, int, int chunkIndex) { return chunkIndex; });
}
int ChunkSelection::selectedRowsCount() const
{
return Utils::toSet(selection[LeftSide]).unite(Utils::toSet(selection[RightSide])).size();