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FileUtils: Add some helper to handle ls-style output

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Unix-ish device implementations would otherwise repeat that code.

Change-Id: I1265fe1a69e55409ab2875d0b6f6113ec92edd79
Reviewed-by: Eike Ziller <eike.ziller@qt.io>
This commit is contained in:
hjk
2022-01-21 13:11:39 +01:00
parent 4fb3eb8fd5
commit f7a585fad9
4 changed files with 48 additions and 75 deletions
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39
src/plugins/remotelinux/linuxdevice.cpp
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@@ -718,40 +718,6 @@ bool LinuxDevice::setPermissions(const Utils::FilePath &filePath, QFileDevice::P
return d->runInShell({"chmod", {QString::number(flags, 16), filePath.path()}});
}
static void filterEntriesHelper(const FilePath &base,
const std::function<bool(const FilePath &)> &callBack,
const QStringList &entries,
const FileFilter &filter)
{
const QList<QRegularExpression> nameRegexps =
transform(filter.nameFilters, [](const QString &filter) {
QRegularExpression re;
re.setPattern(QRegularExpression::wildcardToRegularExpression(filter));
QTC_CHECK(re.isValid());
return re;
});
const auto nameMatches = [&nameRegexps](const QString &fileName) {
for (const QRegularExpression &re : nameRegexps) {
const QRegularExpressionMatch match = re.match(fileName);
if (match.hasMatch())
return true;
}
return nameRegexps.isEmpty();
};
// FIXME: Handle filters. For now bark on unsupported options.
QTC_CHECK(filter.fileFilters == QDir::NoFilter);
QTC_CHECK(filter.iteratorFlags == QDirIterator::NoIteratorFlags);
for (const QString &entry : entries) {
if (!nameMatches(entry))
continue;
if (!callBack(base.pathAppended(entry)))
break;
}
}
void LinuxDevice::iterateDirectory(const FilePath &filePath,
const std::function<bool(const FilePath &)> &callBack,
const FileFilter &filter) const
@@ -759,9 +725,8 @@ void LinuxDevice::iterateDirectory(const FilePath &filePath,
QTC_ASSERT(handlesFile(filePath), return);
// if we do not have find - use ls as fallback
const QByteArray output = d->outputForRunInShell({"ls", {"-1", "-b", "--", filePath.path()}});
const QString out = QString::fromUtf8(output.data(), output.size());
const QStringList entries = out.split('\n', Qt::SkipEmptyParts);
filterEntriesHelper(filePath, callBack, entries, filter);
const QStringList entries = QString::fromUtf8(output).split('\n', Qt::SkipEmptyParts);
FileUtils::iterateLsOutput(filePath, entries, filter, callBack);
}
QByteArray LinuxDevice::fileContents(const FilePath &filePath, qint64 limit, qint64 offset) const