diff options
Diffstat (limited to 'oox/source/helper/containerhelper.cxx')
-rw-r--r-- | oox/source/helper/containerhelper.cxx | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/oox/source/helper/containerhelper.cxx b/oox/source/helper/containerhelper.cxx new file mode 100644 index 0000000000..60e225e17f --- /dev/null +++ b/oox/source/helper/containerhelper.cxx @@ -0,0 +1,126 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + +#include <algorithm> + +#include <oox/helper/containerhelper.hxx> + +#include <com/sun/star/container/XNameContainer.hpp> +#include <osl/diagnose.h> + +namespace oox { + +using namespace ::com::sun::star::container; +using namespace ::com::sun::star::lang; +using namespace ::com::sun::star::uno; + +namespace { + +struct ValueRangeComp +{ + bool operator()( const ValueRange& rLHS, const ValueRange& rRHS ) const + { + return rLHS.mnLast < rRHS.mnFirst; + } +}; + +} // namespace + +void ValueRangeSet::insert( const ValueRange& rRange ) +{ + // find the first range that contains or follows the starting point of the passed range + ValueRangeVector::iterator aBeg = maRanges.begin(); + ValueRangeVector::iterator aEnd = maRanges.end(); + ValueRangeVector::iterator aIt = ::std::lower_bound( aBeg, aEnd, rRange, ValueRangeComp() ); + // nothing to do if found range contains passed range + if( (aIt != aEnd) && aIt->contains( rRange ) ) return; + // check if previous range can be used to merge with the passed range + if( (aIt != aBeg) && ((aIt - 1)->mnLast + 1 == rRange.mnFirst) ) --aIt; + // check if current range (aIt) can be used to merge with passed range + if( (aIt != aEnd) && aIt->intersects( rRange ) ) + { + // set new start value to existing range + aIt->mnFirst = ::std::min( aIt->mnFirst, rRange.mnFirst ); + // search first range that cannot be merged anymore (aNext) + ValueRangeVector::iterator aNext = aIt + 1; + while( (aNext != aEnd) && aNext->intersects( rRange ) ) ++aNext; + // set new end value to existing range + aIt->mnLast = ::std::max( (aNext - 1)->mnLast, rRange.mnLast ); + // remove ranges covered by new existing range (aIt) + maRanges.erase( aIt + 1, aNext ); + } + else + { + // merging not possible: insert new range + maRanges.insert( aIt, rRange ); + } +} + +OUString ContainerHelper::getUnusedName( + const Reference< XNameAccess >& rxNameAccess, const OUString& rSuggestedName, + sal_Unicode cSeparator ) +{ + OSL_ENSURE( rxNameAccess.is(), "ContainerHelper::getUnusedName - missing XNameAccess interface" ); + + OUString aNewName = rSuggestedName; + sal_Int32 nIndex = -1; + while( rxNameAccess->hasByName( aNewName ) ) + aNewName = rSuggestedName + OUStringChar(cSeparator) + OUString::number( nIndex++ ); + return aNewName; +} + +bool ContainerHelper::insertByName( + const Reference< XNameContainer >& rxNameContainer, + const OUString& rName, const Any& rObject ) +{ + OSL_ENSURE( rxNameContainer.is(), "ContainerHelper::insertByName - missing XNameContainer interface" ); + bool bRet = false; + try + { + if( rxNameContainer->hasByName( rName ) ) + rxNameContainer->replaceByName( rName, rObject ); + else + rxNameContainer->insertByName( rName, rObject ); + bRet = true; + } + catch( Exception& ) + { + } + OSL_ENSURE( bRet, "ContainerHelper::insertByName - cannot insert object" ); + return bRet; +} + +OUString ContainerHelper::insertByUnusedName( + const Reference< XNameContainer >& rxNameContainer, + const OUString& rSuggestedName, sal_Unicode cSeparator, + const Any& rObject ) +{ + OSL_ENSURE( rxNameContainer.is(), "ContainerHelper::insertByUnusedName - missing XNameContainer interface" ); + + // find an unused name + OUString aNewName = getUnusedName( rxNameContainer, rSuggestedName, cSeparator ); + + // insert the new object and return its resulting name + insertByName( rxNameContainer, aNewName, rObject ); + return aNewName; +} + +} // namespace oox + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |