Function createFileTree

apps/lib/commitfilesview.cpp:259–295

Copied from CompareBranchView in KateProject plugin

// Copied from CompareBranchView in KateProject plugin
static void createFileTree(QStandardItem *parent, const QString &basePath, const std::vector<GitFileItem> &files)
{
    QDir dir(basePath);
    const QString dirPath = dir.path() + u'/';
    QHash<QString, QStandardItem *> dir2Item;
    dir2Item[QString()] = parent;
    for (const GitFileItem &file : files) {
        const QString filePath = QString::fromUtf8(file.file);
        /**
         * cheap file name computation
         * we do this A LOT, QFileInfo is very expensive just for this operation
         */
        const int slashIndex = filePath.lastIndexOf(u'/');
        const QString fileName = (slashIndex < 0) ? filePath : filePath.mid(slashIndex + 1);
        const QString filePathName = (slashIndex < 0) ? QString() : filePath.left(slashIndex);
        const QString fullFilePath = dirPath + filePath;

        /**
         * construct the item with right directory prefix
         * already hang in directories in tree
         */
        auto *fileItem = new FileItem(FileItem::File, fileName);
        fileItem->setData(fullFilePath, FileItem::Path);
        fileItem->setData(file.linesAdded, FileItem::LinesAdded);
        fileItem->setData(file.linesRemoved, FileItem::LinesRemoved);
        if (!file.oldFileName.isEmpty()) {
            const auto oldFileName = QString::fromUtf8(file.oldFileName);
            fileItem->setData(oldFileName, FileItem::OldPath);
            fileItem->setData(filePath, FileItem::NewPath);
            // we just show name here
            fileItem->setText(QStringLiteral("%1 => %2").arg(oldFileName, fileName));
        }

        // put in our item to the right directory parent
        directoryParent(dir, dir2Item, filePathName)->appendRow(fileItem);
    }
}

static void parseNumStat(const QByteArray &raw, std::vector<GitFileItem> *items)
{