97 lines
2.7 KiB
C++
97 lines
2.7 KiB
C++
#include "RecursiveFileSystemWatcher.h"
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#include <QDebug>
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#include <QRegularExpression>
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RecursiveFileSystemWatcher::RecursiveFileSystemWatcher(QObject* parent) : QObject(parent), m_watcher(new QFileSystemWatcher(this))
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{
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connect(m_watcher, &QFileSystemWatcher::fileChanged, this, &RecursiveFileSystemWatcher::fileChange);
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connect(m_watcher, &QFileSystemWatcher::directoryChanged, this, &RecursiveFileSystemWatcher::directoryChange);
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}
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void RecursiveFileSystemWatcher::setRootDir(const QDir& root)
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{
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bool wasEnabled = m_isEnabled;
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disable();
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m_root = root;
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setFiles(scanRecursive(m_root));
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if (wasEnabled) {
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enable();
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}
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}
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void RecursiveFileSystemWatcher::setWatchFiles(const bool watchFiles)
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{
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bool wasEnabled = m_isEnabled;
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disable();
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m_watchFiles = watchFiles;
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if (wasEnabled) {
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enable();
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}
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}
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void RecursiveFileSystemWatcher::enable()
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{
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if (m_isEnabled) {
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return;
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}
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Q_ASSERT(m_root != QDir::root());
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addFilesToWatcherRecursive(m_root);
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m_isEnabled = true;
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}
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void RecursiveFileSystemWatcher::disable()
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{
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if (!m_isEnabled) {
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return;
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}
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m_isEnabled = false;
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m_watcher->removePaths(m_watcher->files());
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m_watcher->removePaths(m_watcher->directories());
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}
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void RecursiveFileSystemWatcher::setFiles(const QStringList& files)
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{
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if (files != m_files) {
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m_files = files;
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emit filesChanged();
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}
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}
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void RecursiveFileSystemWatcher::addFilesToWatcherRecursive(const QDir& dir)
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{
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m_watcher->addPath(dir.absolutePath());
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for (const QString& directory : dir.entryList(QDir::Dirs | QDir::NoDotAndDotDot)) {
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addFilesToWatcherRecursive(dir.absoluteFilePath(directory));
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}
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if (m_watchFiles) {
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for (const QFileInfo& info : dir.entryInfoList(QDir::Files)) {
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m_watcher->addPath(info.absoluteFilePath());
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}
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}
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}
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QStringList RecursiveFileSystemWatcher::scanRecursive(const QDir& directory)
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{
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QStringList ret;
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if (!m_matcher) {
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return {};
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}
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for (const QString& dir : directory.entryList(QDir::Dirs | QDir::NoDotAndDotDot | QDir::Hidden)) {
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ret.append(scanRecursive(directory.absoluteFilePath(dir)));
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}
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for (const QString& file : directory.entryList(QDir::Files | QDir::Hidden)) {
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auto relPath = m_root.relativeFilePath(directory.absoluteFilePath(file));
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if (m_matcher->matches(relPath)) {
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ret.append(relPath);
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}
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}
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return ret;
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}
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void RecursiveFileSystemWatcher::fileChange(const QString& path)
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{
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emit fileChanged(path);
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}
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void RecursiveFileSystemWatcher::directoryChange([[maybe_unused]] const QString& path)
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{
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setFiles(scanRecursive(m_root));
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}
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