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File search: Avoid symlink loops and duplicate directories

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Looks like this was always broken, but got more prominent by the
introduction of automatic directory locator filters for all open
projects.

Task-number: QTCREATORBUG-22662
Change-Id: I248fb611bb1a6226b27901ea6ab310fc640def7a
Reviewed-by: Christian Kandeler <christian.kandeler@qt.io>
Reviewed-by: David Schulz <david.schulz@qt.io>
This commit is contained in:
Eike Ziller
2019-07-17 14:55:39 +02:00
parent 3fbb5ddba8
commit 32ac159ce6
2 changed files with 29 additions and 16 deletions
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44
src/libs/utils/filesearch.cpp
View File

@@ -651,11 +651,16 @@ SubDirFileIterator::SubDirFileIterator(const QStringList &directories, const QSt
{
m_encoding = (encoding == nullptr ? QTextCodec::codecForLocale() : encoding);
qreal maxPer = qreal(MAX_PROGRESS) / directories.count();
foreach (const QString &directoryEntry, directories) {
for (const QString &directoryEntry : directories) {
if (!directoryEntry.isEmpty()) {
m_dirs.push(QDir(directoryEntry));
m_progressValues.push(maxPer);
m_processedValues.push(false);
const QDir dir(directoryEntry);
const QString canonicalPath = dir.canonicalPath();
if (!canonicalPath.isEmpty() && dir.exists()) {
m_dirs.push(dir);
m_knownDirs.insert(canonicalPath);
m_progressValues.push(maxPer);
m_processedValues.push(false);
}
}
}
}
@@ -676,10 +681,18 @@ void SubDirFileIterator::update(int index)
const bool processed = m_processedValues.pop();
if (dir.exists()) {
const QString dirPath = dir.path();
QStringList subDirs;
if (!processed)
subDirs = dir.entryList(QDir::Dirs|QDir::Hidden|QDir::NoDotAndDotDot);
if (subDirs.isEmpty()) {
using Dir = QString;
using CanonicalDir = QString;
std::vector<std::pair<Dir, CanonicalDir>> subDirs;
if (!processed) {
for (const QFileInfo &info :
dir.entryInfoList(QDir::Dirs | QDir::Hidden | QDir::NoDotAndDotDot)) {
const QString canonicalDir = info.canonicalFilePath();
if (!m_knownDirs.contains(canonicalDir))
subDirs.emplace_back(info.filePath(), canonicalDir);
}
}
if (subDirs.empty()) {
const QStringList allFileEntries = dir.entryList(QDir::Files|QDir::Hidden);
const QStringList allFilePaths = Utils::transform(allFileEntries,
[&dirPath](const QString &entry) {
@@ -696,14 +709,13 @@ void SubDirFileIterator::update(int index)
m_dirs.push(dir);
m_progressValues.push(subProgress);
m_processedValues.push(true);
QStringListIterator it(subDirs);
it.toBack();
while (it.hasPrevious()) {
const QString &directory = it.previous();
m_dirs.push(QDir(dirPath + QLatin1Char('/') + directory));
m_progressValues.push(subProgress);
m_processedValues.push(false);
}
Utils::reverseForeach(subDirs,
[this, subProgress](const std::pair<Dir, CanonicalDir> &dir) {
m_dirs.push(QDir(dir.first));
m_knownDirs.insert(dir.second);
m_progressValues.push(subProgress);
m_processedValues.push(false);
});
}
} else {
m_progress += dirProgressMax;

1
src/libs/utils/filesearch.h
View File

@@ -159,6 +159,7 @@ private:
std::function<QStringList(const QStringList &)> m_filterFiles;
QTextCodec *m_encoding;
QStack<QDir> m_dirs;
QSet<QString> m_knownDirs;
QStack<qreal> m_progressValues;
QStack<bool> m_processedValues;
qreal m_progress;