8a017d25a6
The scenarios are: 1. Calling sequence's begin() and end() in pairs to pass to algorithms (both calls use getArray(), which does the COW checks) 2. In addition to #1, calling end() again when checking result of find algorithms, and/or begin() to calculate result's distance 3. Using non-const sequences in range-based for loops, which internally do #1 4. Assigning sequence to another sequence variable, and then modifying one of them In many cases, the sequences could be made const, or treated as const for the purposes of the algorithms (using std::as_const, std::cbegin, and std::cend). Where algorithm modifies the sequence, it was changed to only call getArray() once. For that, css::uno::toNonConstRange was introduced, which returns a struct (sublclass of std::pair) with two iterators [begin, end], that are calculated using one call to begin() and one call to getLength(). To handle #4, css::uno::Sequence::swap was introduced, that swaps the internal pointer to uno_Sequence. So when a local Sequence variable should be assigned to another variable, and the latter will be modified further, it's now possible to use swap instead, so the two sequences are kept independent. The modified places were found by temporarily removing non-const end(). Change-Id: I8fe2787f200eecb70744e8b77fbdf7a49653f628 Reviewed-on: https://gerrit.libreoffice.org/c/core/+/123542 Tested-by: Jenkins Reviewed-by: Mike Kaganski <mike.kaganski@collabora.com>
169 lines
6.8 KiB
C++
169 lines
6.8 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include "fileopendialog.hxx"
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#include <sal/types.h>
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#include "pppoptimizertoken.hxx"
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#include <com/sun/star/ui/dialogs/ExtendedFilePickerElementIds.hpp>
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#include <com/sun/star/ui/dialogs/FilePicker.hpp>
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#include <com/sun/star/ui/dialogs/TemplateDescription.hpp>
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#include <com/sun/star/ui/dialogs/XFilePickerControlAccess.hpp>
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#include <com/sun/star/ui/dialogs/XFilterManager.hpp>
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#include <com/sun/star/beans/PropertyValue.hpp>
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#include <com/sun/star/container/XEnumeration.hpp>
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#include <com/sun/star/container/XNameAccess.hpp>
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#include <com/sun/star/view/XControlAccess.hpp>
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using namespace ::com::sun::star::uno;
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using namespace ::com::sun::star::lang;
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using namespace ::com::sun::star::beans;
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using namespace ::com::sun::star::container;
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using namespace ::com::sun::star::view;
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using namespace ::com::sun::star::ui::dialogs;
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FileOpenDialog::FileOpenDialog( const Reference< XComponentContext >& rxContext )
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{
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mxFilePicker = FilePicker::createWithMode( rxContext, TemplateDescription::FILESAVE_AUTOEXTENSION);
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mxFilePicker->setMultiSelectionMode( false );
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Reference< XFilePickerControlAccess > xAccess( mxFilePicker, UNO_QUERY );
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if ( xAccess.is() )
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{
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try
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{
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xAccess->setValue( ExtendedFilePickerElementIds::CHECKBOX_AUTOEXTENSION, 0, Any( true ) );
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}
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catch( css::uno::Exception& )
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{}
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}
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// collecting a list of impress filters
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Reference< XNameAccess > xFilters( rxContext->getServiceManager()->createInstanceWithContext(
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"com.sun.star.document.FilterFactory", rxContext ), UNO_QUERY_THROW );
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const Sequence< OUString > aFilterList( xFilters->getElementNames() );
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for ( const auto& rFilter : aFilterList )
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{
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try
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{
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Sequence< PropertyValue > aFilterProperties;
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if ( xFilters->getByName( rFilter ) >>= aFilterProperties )
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{
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FilterEntry aFilterEntry;
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bool bImpressFilter = false;
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for ( const PropertyValue& rProperty : std::as_const(aFilterProperties) )
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{
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bool bStop = false;
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switch( TKGet( rProperty.Name ) )
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{
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case TK_DocumentService :
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{
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OUString sDocumentService;
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rProperty.Value >>= sDocumentService;
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if ( sDocumentService == "com.sun.star.presentation.PresentationDocument" )
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bImpressFilter = true;
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else
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bStop = true;
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}
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break;
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case TK_Name : rProperty.Value >>= aFilterEntry.maFilterEntryName; break;
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case TK_UIName : rProperty.Value >>= aFilterEntry.maUIName; break;
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case TK_Type : rProperty.Value >>= aFilterEntry.maType; break;
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case TK_Flags : rProperty.Value >>= aFilterEntry.maFlags; break;
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default : break;
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}
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if (bStop)
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break;
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}
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if ( bImpressFilter && ( ( aFilterEntry.maFlags & 3 ) == 3 ) )
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{
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aFilterEntryList.push_back( aFilterEntry );
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}
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}
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}
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catch( Exception& )
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{
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}
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}
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Reference< XNameAccess > xTypes( rxContext->getServiceManager()->createInstanceWithContext(
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"com.sun.star.document.TypeDetection", rxContext ), UNO_QUERY_THROW );
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for (auto& rFilterEntry : aFilterEntryList)
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{
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Sequence< PropertyValue > aTypeProperties;
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try
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{
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if ( xTypes->getByName( rFilterEntry.maType ) >>= aTypeProperties )
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{
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Sequence< OUString > aExtensions;
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auto pProp = std::find_if(std::cbegin(aTypeProperties), std::cend(aTypeProperties),
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[](const PropertyValue& rProp) { return rProp.Name == "Extensions"; });
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if (pProp != std::cend(aTypeProperties))
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pProp->Value >>= aExtensions;
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if ( aExtensions.hasElements() )
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{
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// The filter title must be formed in the same way it is currently done in the
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// internal implementation (see sfx2::appendFiltersForSave). And we will look
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// for the same string returned from the dialog, so save it to maUIName:
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OUString aTitle(
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rFilterEntry.maUIName + " (." + aExtensions[0] + ")");
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rFilterEntry.maUIName = aTitle;
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OUString aFilter("*." + aExtensions[0]);
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mxFilePicker->appendFilter(aTitle, aFilter);
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if ( rFilterEntry.maFlags & 0x100 )
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mxFilePicker->setCurrentFilter(aTitle);
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}
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}
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}
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catch ( const Exception& )
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{
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}
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}
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}
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FileOpenDialog::~FileOpenDialog()
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{
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}
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sal_Int16 FileOpenDialog::execute()
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{
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return mxFilePicker->execute();
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}
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void FileOpenDialog::setDefaultName( const OUString& rDefaultName )
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{
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mxFilePicker->setDefaultName( rDefaultName );
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}
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OUString FileOpenDialog::getURL() const
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{
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Sequence< OUString > aFileSeq( mxFilePicker->getSelectedFiles() );
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return aFileSeq.hasElements() ? aFileSeq[ 0 ] : OUString();
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};
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OUString FileOpenDialog::getFilterName() const
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{
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OUString aFilterName;
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Reference< XFilterManager > xFilterManager( mxFilePicker, UNO_QUERY_THROW );
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OUString aUIName( xFilterManager->getCurrentFilter() );
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auto aIter = std::find_if(aFilterEntryList.begin(), aFilterEntryList.end(),
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[&aUIName](const FilterEntry& rFilterEntry) { return rFilterEntry.maUIName == aUIName; });
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if (aIter != aFilterEntryList.end())
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aFilterName = aIter->maFilterEntryName;
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return aFilterName;
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};
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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