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FileSystemModel.cpp
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/* ***** BEGIN LICENSE BLOCK *****
* This file is part of Natron <https://natrongithub.github.io/>,
* (C) 2018-2021 The Natron developers
* (C) 2013-2018 INRIA and Alexandre Gauthier-Foichat
*
* Natron is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Natron is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Natron. If not, see <http://www.gnu.org/licenses/gpl-2.0.html>
* ***** END LICENSE BLOCK ***** */
// ***** BEGIN PYTHON BLOCK *****
// from <https://docs.python.org/3/c-api/intro.html#include-files>:
// "Since Python may define some pre-processor definitions which affect the standard headers on some systems, you must include Python.h before any standard headers are included."
#include <Python.h>
// ***** END PYTHON BLOCK *****
#include "FileSystemModel.h"
#include <vector>
#include <cassert>
#include <stdexcept>
#include <boost/make_shared.hpp>
#ifdef __NATRON_WIN32__
#include <windows.h>
#endif
#include "Global/Macros.h"
CLANG_DIAG_OFF(deprecated)
CLANG_DIAG_OFF(uninitialized)
#include <QtCore/QtGlobal> // for Q_OS_*
#include <QtCore/QMutex>
#include <QtCore/QWaitCondition>
#include <QtCore/QFileSystemWatcher>
#include <QtCore/QFileInfo>
#include <QtCore/QDateTime>
#include <QtCore/QCoreApplication>
#include <QtCore/QDebug>
#include <QtCore/QUrl>
#include <QtCore/QMimeData>
CLANG_DIAG_ON(deprecated)
CLANG_DIAG_ON(uninitialized)
#include <SequenceParsing.h>
#ifdef DEBUG
#include "Global/FloatingPointExceptions.h"
#endif
NATRON_NAMESPACE_ENTER
static QStringList
getSplitPath(const QString& path)
{
if ( path.isEmpty() ) {
return QStringList();
}
QString pathCpy = path;
bool isdriveOrRoot;
#ifdef __NATRON_WIN32__
QString startPath = pathCpy.mid(0, 3);
isdriveOrRoot = FileSystemModel::isDriveName(startPath);
if (isdriveOrRoot) {
pathCpy = pathCpy.remove(0, 3);
}
if ( (pathCpy.size() > 0) && ( pathCpy[pathCpy.size() - 1] == QChar::fromLatin1('/') ) ) {
pathCpy = pathCpy.mid(0, pathCpy.size() - 1);
}
QStringList splitPath = pathCpy.split( QChar::fromLatin1('/') );
if (isdriveOrRoot) {
splitPath.prepend( startPath.mid(0, 3) );
}
#else
isdriveOrRoot = pathCpy.startsWith( QChar::fromLatin1('/') );
if (isdriveOrRoot) {
pathCpy = pathCpy.remove(0, 1);
}
if ( (pathCpy.size() > 0) && ( pathCpy[pathCpy.size() - 1] == QChar::fromLatin1('/') ) ) {
pathCpy = pathCpy.mid(0, pathCpy.size() - 1);
}
QStringList splitPath = pathCpy.split( QChar::fromLatin1('/') );
if (isdriveOrRoot) {
splitPath.prepend( QChar::fromLatin1('/') );
}
#endif
return splitPath;
}
struct FileSystemModelPrivate
{
FileSystemModel* _publicInterface;
SortableViewI* view;
///A background thread that fetches info about the file-system and reports when done
boost::scoped_ptr<FileGathererThread> gatherer;
///The watcher watches the current root path
boost::scoped_ptr<QFileSystemWatcher> watcher;
///The root of the file-system: "MyComputer" for Windows or '/' for Unix
FileSystemItemPtr rootItem;
QString currentRootPath;
QStringList headers;
QDir::Filters filters;
QString encodedRegexps;
std::list<QRegExp> regexps;
mutable QMutex filtersMutex;
mutable QMutex sequenceModeEnabledMutex;
bool sequenceModeEnabled;
Qt::SortOrder ordering;
int sortSection;
mutable QMutex sortMutex;
mutable QMutex mappingMutex;
std::map<FileSystemItem*, FileSystemItemWPtr> itemsMap;
FileSystemModelPrivate(FileSystemModel* model)
: _publicInterface(model)
, view(0)
, gatherer()
, watcher()
, rootItem()
, currentRootPath()
, headers()
, filters(QDir::AllEntries | QDir::NoDotAndDotDot)
, encodedRegexps()
, regexps()
, filtersMutex()
, sequenceModeEnabledMutex()
, sequenceModeEnabled(false)
, ordering(Qt::AscendingOrder)
, sortSection(0)
, sortMutex()
, mappingMutex()
, itemsMap()
{
}
void registerItem(const FileSystemItemPtr& item);
void unregisterItem(FileSystemItem* item);
FileSystemItemPtr getItemFromPath(const QString &path) const;
void populateItem(const FileSystemItemPtr& item);
};
/////////FileSystemItem
static QString
generateChildAbsoluteName(FileSystemItem* parent,
const QString& name)
{
QString childName = parent->absoluteFilePath();
if ( !childName.endsWith( QChar::fromLatin1('/') ) ) {
childName.append( QChar::fromLatin1('/') );
}
childName.append(name);
return childName;
}
struct FileSystemItemPrivate
{
FileSystemModelWPtr model;
FileSystemItemWPtr parent;
std::vector<FileSystemItemPtr> children; ///vector for random access
QMutex childrenMutex;
bool isDir;
QString filename;
QString userFriendlySequenceName;
///This will be set when the file system model is in sequence mode and this is a file
SequenceParsing::SequenceFromFilesPtr sequence;
QDateTime dateModified;
quint64 size;
QString fileExtension;
QString absoluteFilePath;
FileSystemItemPrivate(const FileSystemModelPtr& model,
bool isDir,
const QString& filename,
const QString& userFriendlySequenceName,
const SequenceParsing::SequenceFromFilesPtr& sequence,
const QDateTime& dateModified,
quint64 size,
const FileSystemItemPtr &parent)
: model(model)
, parent(parent)
, children()
, childrenMutex()
, isDir(isDir)
, filename(filename)
, userFriendlySequenceName(userFriendlySequenceName)
, sequence(sequence)
, dateModified(dateModified)
, size(size)
, fileExtension()
, absoluteFilePath()
{
if (!isDir) {
int lastDotPos = filename.lastIndexOf( QChar::fromLatin1('.') );
if (lastDotPos != -1) {
fileExtension = filename.mid(lastDotPos + 1);
}
}
if (parent) {
// absoluteFilePath method of QFileInfo class cause the file system
// query hence causes slower performance
if ( !parent->getParentItem() ) {
// for drives, there is no filename
absoluteFilePath = filename;
} else {
absoluteFilePath = generateChildAbsoluteName(parent.get(), filename);
}
}
}
FileSystemModelPtr getModel() const
{
return model.lock();
}
};
FileSystemItem::FileSystemItem(const FileSystemModelPtr& model,
bool isDir,
const QString& filename,
const QString& userFriendlySequenceName,
const SequenceParsing::SequenceFromFilesPtr& sequence,
const QDateTime& dateModified,
quint64 size,
const FileSystemItemPtr& parent)
: _imp( new FileSystemItemPrivate(model, isDir, filename, userFriendlySequenceName, sequence, dateModified, size, parent) )
{
}
// make_shared enabler (because make_shared needs access to the private constructor)
// see https://stackoverflow.com/a/20961251/2607517
struct FileSystemItem::MakeSharedEnabler: public FileSystemItem
{
MakeSharedEnabler(const FileSystemModelPtr& model,
bool isDir,
const QString& filename,
const QString& userFriendlySequenceName,
const SequenceParsing::SequenceFromFilesPtr& sequence,
const QDateTime& dateModified,
quint64 size,
const FileSystemItemPtr& parent) : FileSystemItem(model, isDir, filename, userFriendlySequenceName, sequence, dateModified, size, parent) {
}
};
FileSystemItemPtr
FileSystemItem::create( const FileSystemModelPtr& model,
bool isDir,
const QString& filename,
const QString& userFriendlySequenceName,
const SequenceParsing::SequenceFromFilesPtr& sequence,
const QDateTime& dateModified,
quint64 size,
const FileSystemItemPtr& parent)
{
return boost::make_shared<FileSystemItem::MakeSharedEnabler>(model, isDir, filename, userFriendlySequenceName, sequence, dateModified, size, parent);
}
FileSystemItem::~FileSystemItem()
{
FileSystemModelPtr model = _imp->model.lock();
if (model) {
model->_imp->unregisterItem(this);
}
}
void
FileSystemItem::resetModelPointer()
{
_imp->model.reset();
}
FileSystemItemPtr
FileSystemItem::childAt(int position) const
{
QMutexLocker l(&_imp->childrenMutex);
if ( (position >= 0) && ( position < (int)_imp->children.size() ) ) {
return _imp->children[position];
} else {
return FileSystemItemPtr();
}
}
int
FileSystemItem::childCount() const
{
QMutexLocker l(&_imp->childrenMutex);
return (int)_imp->children.size();
}
int
FileSystemItem::indexInParent() const
{
FileSystemItemPtr parent = _imp->parent.lock();
if (parent) {
for (U32 i = 0; i < parent->_imp->children.size(); ++i) {
if (parent->_imp->children[i].get() == this) {
return i;
}
}
}
return -1;
}
bool
FileSystemItem::isDir() const
{
return _imp->isDir;
}
FileSystemItemPtr
FileSystemItem::getParentItem() const
{
return _imp->parent.lock();
}
const QString&
FileSystemItem::absoluteFilePath() const
{
return _imp->absoluteFilePath;
}
const QString&
FileSystemItem::fileName() const
{
return _imp->filename;
}
const QString&
FileSystemItem::getUserFriendlyFilename() const
{
return _imp->userFriendlySequenceName;
}
SequenceParsing::SequenceFromFilesPtr
FileSystemItem::getSequence() const
{
return _imp->sequence;
}
const QString&
FileSystemItem::fileExtension() const
{
return _imp->fileExtension;
}
const QDateTime&
FileSystemItem::getLastModified() const
{
return _imp->dateModified;
}
quint64
FileSystemItem::getSize() const
{
return _imp->size;
}
void
FileSystemItem::addChild(const FileSystemItemPtr& child)
{
QMutexLocker l(&_imp->childrenMutex);
_imp->children.push_back(child);
}
void
FileSystemItem::addChild(const SequenceParsing::SequenceFromFilesPtr& sequence,
const QFileInfo& info)
{
FileSystemModelPtr model = _imp->getModel();
if (!model) {
return;
}
QMutexLocker l(&_imp->childrenMutex);
///Does the child exist already ?
QString filename;
QString userFriendlyFilename;
if (!sequence) {
filename = info.fileName();
userFriendlyFilename = filename;
} else {
std::string pattern = sequence->generateValidSequencePattern();
SequenceParsing::removePath(pattern);
filename = QString::fromUtf8( pattern.c_str() );
if ( !sequence->isSingleFile() ) {
pattern = sequence->generateUserFriendlySequencePatternFromValidPattern(pattern);
}
userFriendlyFilename = QString::fromUtf8( pattern.c_str() );
}
for (std::vector<FileSystemItemPtr>::iterator it = _imp->children.begin(); it != _imp->children.end(); ++it) {
if ( (*it)->fileName() == filename ) {
_imp->children.erase(it);
break;
}
}
bool isDir = sequence ? false : info.isDir();
qint64 size;
if (sequence) {
size = sequence->getEstimatedTotalSize();
} else {
size = isDir ? 0 : info.size();
}
///Create the child
FileSystemItemPtr child = boost::make_shared<FileSystemItem::MakeSharedEnabler>( model,
isDir,
filename,
userFriendlyFilename,
sequence,
info.lastModified(),
size,
shared_from_this() );
model->_imp->registerItem(child);
_imp->children.push_back(child);
} // FileSystemItem::addChild
void
FileSystemItem::clearChildren()
{
QMutexLocker l(&_imp->childrenMutex);
_imp->children.clear();
}
// This is a recursive method which tries to match a path to a specifiq
// FileSystemItem item which has the path;
// Here startIndex is the position of the separator
FileSystemItemPtr
FileSystemItem::matchPath(const QStringList& path,
int startIndex) const
{
const QString& pathBit = path.at(startIndex);
for (U32 i = 0; i < _imp->children.size(); ++i) {
const FileSystemItemPtr& child = _imp->children[i];
if ( child && (child->fileName() == pathBit) ) {
if (startIndex == path.size() - 1) {
return child;
} else {
return child->matchPath(path, startIndex + 1);
}
}
}
return FileSystemItemPtr();
}
//////////////FileSystemModel
FileSystemModel::FileSystemModel()
: QAbstractItemModel()
, _imp( new FileSystemModelPrivate(this) )
{
}
void
FileSystemModel::initialize(SortableViewI* view)
{
assert(view);
assert( _imp->headers.isEmpty() );
_imp->headers << tr("Name") << tr("Size") << tr("Type") << tr("Date Modified");
_imp->ordering = view->sortIndicatorOrder();
_imp->sortSection = view->sortIndicatorSection();
initGatherer();
// scoped_ptr
_imp->watcher.reset(new QFileSystemWatcher);
assert(_imp->watcher);
QObject::connect( _imp->watcher.get(), SIGNAL(directoryChanged(QString)), this, SLOT(onWatchedDirectoryChanged(QString)) );
QObject::connect( _imp->watcher.get(), SIGNAL(fileChanged(QString)), this, SLOT(onWatchedFileChanged(QString)) );
_imp->watcher->addPath( QDir::rootPath() );
resetCompletly(true);
}
//////////////////////////////////////Overridden from QAbstractItemModel///////////////////////////////////////
#ifdef __NATRON_WIN32__
void
FileSystemModel::initDriveLettersToNetworkShareNamesMapping()
{
QFileInfoList drives = QDir::drives();
Q_FOREACH(const QFileInfo &drive, drives) {
// for drives, there is no filename
QString driveName = drive.canonicalPath();
QString uncPath = mapPathWithDriveLetterToPathWithNetworkShareName(driveName);
#ifdef DEBUG
qDebug() << "Filesystem: " << driveName << " = " << uncPath;
#endif
}
}
QString
FileSystemModel::mapPathWithDriveLetterToPathWithNetworkShareName(const QString& path)
{
if (path.size() <= 2) {
return path;
}
QString ret;
if ( path[0].isLetter() && ( path[1] == QLatin1Char(':') ) ) {
QString driveName = path.mid(0, 2);
wchar_t szDeviceName[512];
DWORD dwResult, cchBuff = sizeof(szDeviceName);
dwResult = WNetGetConnectionW(driveName.toStdWString().c_str(), szDeviceName, &cchBuff);
if (dwResult == NO_ERROR) {
ret = path.mid(2, -1);
//Replace \\ with /
std::wstring wstr(szDeviceName);
QString qDeviceName = QString::fromStdWString(wstr);
qDeviceName.replace( QLatin1Char('\\'), QLatin1Char('/') );
//Make sure we remember the mapping
appPTR->registerUNCPath(qDeviceName, path[0]);
ret.prepend(qDeviceName);
return ret;
}
}
ret = path;
return ret;
}
#endif // ifdef __NATRON_WIN32__
FileSystemModel::~FileSystemModel()
{
if (_imp->gatherer) {
_imp->gatherer->quitGatherer();
}
}
void
FileSystemModelPrivate::registerItem(const FileSystemItemPtr& item)
{
QMutexLocker k(&mappingMutex);
itemsMap[item.get()] = item;
}
void
FileSystemModelPrivate::unregisterItem(FileSystemItem* item)
{
QMutexLocker k(&mappingMutex);
std::map<FileSystemItem*, FileSystemItemWPtr>::iterator found = itemsMap.find(item);
if ( found != itemsMap.end() ) {
itemsMap.erase(found);
}
}
FileSystemItemPtr
FileSystemModel::getSharedItemPtr(FileSystemItem* item) const
{
QMutexLocker k(&_imp->mappingMutex);
std::map<FileSystemItem*, FileSystemItemWPtr>::const_iterator found = _imp->itemsMap.find(item);
if ( found != _imp->itemsMap.end() ) {
return found->second.lock();
}
return FileSystemItemPtr();
}
bool
FileSystemModel::isDriveName(const QString& name)
{
#ifdef __NATRON_WIN32__
return name.size() == 3 && name.at(0).isLetter() && name.at(1) == QLatin1Char(':') && ( name.at(2) == QLatin1Char('/') || name.at(2) == QLatin1Char('\\') );
#else
return name == QDir::rootPath();
#endif
}
bool
FileSystemModel::startsWithDriveName(const QString& name)
{
#ifdef __NATRON_WIN32__
return name.size() >= 3 && name.at(0).isLetter() && name.at(1) == QLatin1Char(':') && ( name.at(2) == QLatin1Char('/') || name.at(2) == QLatin1Char('\\') );
#else
return name.startsWith( QDir::rootPath() );
#endif
}
QVariant
FileSystemModel::headerData(int section,
Qt::Orientation orientation,
int role) const
{
if (orientation == Qt::Horizontal) {
switch (role) {
// in case of DisplayRole, just return the header text
case Qt::DisplayRole:
return _imp->headers[section];
break;
// in case of TextAlignmentRole, only Size column will be right align,
// others will be left align
case Qt::TextAlignmentRole:
return (Sections)section == Size ? Qt::AlignRight : Qt::AlignLeft;
break;
}
}
return QVariant();
}
Qt::ItemFlags
FileSystemModel::flags(const QModelIndex &index) const
{
if ( !index.isValid() ) {
#if QT_VERSION >= QT_VERSION_CHECK(5, 0, 0)
return Qt::ItemFlags();
#else
return 0;
#endif
}
// Our model is read only.
return Qt::ItemIsEnabled | Qt::ItemIsSelectable | Qt::ItemIsDragEnabled | Qt::ItemIsDropEnabled;
}
int
FileSystemModel::columnCount(const QModelIndex & /*parent*/) const
{
return (int)EndSections;
}
int
FileSystemModel::rowCount(const QModelIndex & parent) const
{
FileSystemItemPtr item = getItem(parent);
if (item) {
return item->childCount();
} else {
return 0;
}
}
QVariant
FileSystemModel::data(const QModelIndex &index,
int role) const
{
if ( !index.isValid() ) {
return QVariant();
}
Sections col = (Sections)index.column();
// in case of TextAlignmentRole, only Size column will be right align,
// others will be left align
if ( (role == Qt::TextAlignmentRole) && (col == Size) ) {
return Qt::AlignRight;
}
FileSystemItemPtr item = getItem(index);
if (!item) {
return QVariant();
}
if ( (role == FilePathRole) && (col == Name) ) {
return item->absoluteFilePath();
} else if ( (role == FileNameRole) && (col == Name) ) {
return item->fileName();
}
if ( (role == Qt::DecorationRole) && (col == Name) ) {
return item->fileName();
}
QVariant data;
switch (col) {
case Name:
data = item->fileName();
break;
case Size:
data = item->getSize();
break;
case Type:
data = item->fileExtension();
break;
case DateModified:
data = item->getLastModified().toString(Qt::LocalDate);
break;
default:
break;
}
return data;
} // FileSystemModel::data
QModelIndex
FileSystemModel::index(int row,
int column,
const QModelIndex &parent) const
{
// As the Name column is a tree, we will only create index whose parent is in the Name column
if ( parent.isValid() && ( (Sections)parent.column() != Name ) ) {
return QModelIndex();
}
FileSystemItemPtr parentItem = getItem(parent);
if (parentItem) {
FileSystemItemPtr childItem = parentItem->childAt(row);
if (childItem) {
return createIndex( row, column, childItem.get() );
}
}
return QModelIndex();
}
QModelIndex
FileSystemModel::parent(const QModelIndex &index) const
{
if ( !index.isValid() ) {
return QModelIndex();
}
FileSystemItemPtr childItem = getItem(index);
if (!childItem) {
return QModelIndex();
}
FileSystemItemPtr parentItem = childItem->getParentItem();
// if there is no parent or parent is invisible, there is no index
if ( !parentItem || (parentItem == _imp->rootItem) ) {
return QModelIndex();
}
assert(parentItem);
return createIndex( parentItem->indexInParent(), (int)Name, parentItem.get() );
}
QStringList
FileSystemModel::mimeTypes() const
{
return QStringList( QLatin1String("text/uri-list") );
}
QMimeData*
FileSystemModel::mimeData(const QModelIndexList & indexes) const
{
QList<QUrl> urls;
for (QList<QModelIndex>::const_iterator it = indexes.begin(); it != indexes.end(); ++it) {
if ( (*it).column() == 0 ) {
urls << QUrl::fromLocalFile( absolutePath(*it) );
}
}
QMimeData *data = new QMimeData();
data->setUrls(urls);
return data;
}
/////////////////////////////////////// End overrides ////////////////////////////////////////////////////
QModelIndex
FileSystemModel::index(const QString& path,
int column) const
{
FileSystemItemPtr item = getFileSystemItem(path);
if (item) {
return index(item.get(), column);
}
return QModelIndex();
}
FileSystemItemPtr
FileSystemModel::getFileSystemItem(const QString& path) const
{
if ( !path.isEmpty() ) {
return _imp->getItemFromPath(path);
}
return _imp->rootItem;
}
FileSystemItem*
FileSystemModel::getFileSystemItem(const QModelIndex& index) const
{
return static_cast<FileSystemItem*>( index.internalPointer() );
}
QModelIndex
FileSystemModel::index(FileSystemItem* item,
int column) const
{
assert(item);
if (!item) {
return QModelIndex();
}
return createIndex(item->indexInParent(), column, item);
}
bool
FileSystemModel::isDir(const QModelIndex &index)
{
if ( !index.isValid() ) {
return false;
}
FileSystemItem *item = getFileSystemItem(index);
if ( item && ( item != _imp->rootItem.get() ) ) {
return item->isDir();
}
return false;
}
QString
FileSystemModel::absolutePath(const QModelIndex &index) const
{
if ( !index.isValid() ) {
return QString();
}
FileSystemItem *item = getFileSystemItem(index);
if ( item && ( item != _imp->rootItem.get() ) ) {
return item->absoluteFilePath();
}
return QString();
}
QString
FileSystemModel::rootPath() const
{
return _imp->currentRootPath;
}
QVariant
FileSystemModel::myComputer(int /*role*/) const
{
// switch (role) {
// case Qt::DisplayRole:
#ifdef Q_OS_WIN
return tr("Computer");
#else
return tr("Computer");
#endif
// case Qt::DecorationRole:
// return d->fileInfoGatherer.iconProvider()->icon(QFileIconProvider::Computer);
// }
// return QVariant();
}
void
FileSystemModel::setFilter(const QDir::Filters& filters)
{
{
QMutexLocker l(&_imp->filtersMutex);
_imp->filters = filters;
}
///Refresh the current directory
///Get the item corresponding to the current directory
QFileInfo info(_imp->currentRootPath);
FileSystemItemPtr parent = _imp->getItemFromPath( info.absolutePath() );
assert(parent);
cleanAndRefreshItem(parent);
}
const QDir::Filters
FileSystemModel::filter() const
{
QMutexLocker l(&_imp->filtersMutex);
return _imp->filters;
}
void
FileSystemModel::setRegexpFilters(const QString& filters)
{
{
QMutexLocker l(&_imp->filtersMutex);
_imp->encodedRegexps = filters;
_imp->regexps.clear();
int i = 0;
while ( i < filters.size() ) {
QString regExp;
while ( i < filters.size() && filters.at(i) != QLatin1Char(' ') ) {
regExp.append( filters.at(i) );
++i;
}
if ( regExp != QString( QLatin1Char('*') ) ) {
QRegExp rx(regExp, Qt::CaseInsensitive, QRegExp::Wildcard);
if ( rx.isValid() ) {
_imp->regexps.push_back(rx);
}
}
++i;
}
}
resetCompletly(true);
}
QString
FileSystemModel::generateRegexpFilterFromFileExtensions(const QStringList& extensions)
{
if ( extensions.empty() ) {
return QString();
}
QString ret;
Q_FOREACH(const QString &ext, extensions) {
if ( ext != QString::fromUtf8("*") ) {
ret.append( QString::fromUtf8("*.") );
}
ret.append( ext );
ret.append( QChar::fromLatin1(' ') );
}
ret.chop(1); // remove trailing space
return ret;
}
bool
FileSystemModel::isAcceptedByRegexps(const QString & path) const
{
QMutexLocker l(&_imp->filtersMutex);
if ( _imp->encodedRegexps.isEmpty() ) {
return true;
}