| /************************************************************** |
| * |
| * 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 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| *************************************************************/ |
| |
| |
| |
| #ifndef INCLUDED_PDFI_STYLE_HXX |
| #define INCLUDED_PDFI_STYLE_HXX |
| |
| #include "pdfihelper.hxx" |
| #include <hash_map> |
| #include <vector> |
| #include <rtl/ustring.hxx> |
| #include <rtl/string.hxx> |
| #include "treevisiting.hxx" |
| |
| namespace pdfi |
| { |
| struct Element; |
| struct EmitContext; |
| struct ElementTreeVisitable; |
| |
| class StyleContainer |
| { |
| public: |
| struct Style |
| { |
| rtl::OString Name; |
| PropertyMap Properties; |
| rtl::OUString Contents; |
| Element* ContainedElement; |
| std::vector< Style* > SubStyles; |
| |
| Style() : ContainedElement( NULL ) {} |
| Style( const rtl::OString& rName, const PropertyMap& rProps ) : |
| Name( rName ), |
| Properties( rProps ), |
| ContainedElement( NULL ) |
| {} |
| }; |
| |
| private: |
| struct HashedStyle |
| { |
| rtl::OString Name; |
| PropertyMap Properties; |
| rtl::OUString Contents; |
| Element* ContainedElement; |
| std::vector<sal_Int32> SubStyles; |
| |
| bool IsSubStyle; |
| sal_Int32 RefCount; |
| |
| HashedStyle() : ContainedElement( NULL ), IsSubStyle( true ), RefCount( 0 ) {} |
| |
| HashedStyle( const HashedStyle& rRight ) : |
| Name( rRight.Name ), |
| Properties( rRight.Properties ), |
| Contents( rRight.Contents ), |
| ContainedElement( rRight.ContainedElement ), |
| SubStyles( rRight.SubStyles ), |
| IsSubStyle( rRight.IsSubStyle ), |
| RefCount( 0 ) |
| {} |
| |
| size_t hashCode() const |
| { |
| size_t nRet = size_t(Name.hashCode()); |
| for( PropertyMap::const_iterator it = Properties.begin(); |
| it != Properties.end(); ++it ) |
| { |
| nRet ^= size_t(it->first.hashCode()); |
| nRet ^= size_t(it->second.hashCode()); |
| } |
| nRet = size_t(Contents.hashCode()); |
| nRet ^= size_t(ContainedElement); |
| for( unsigned int n = 0; n < SubStyles.size(); ++n ) |
| nRet ^= size_t(SubStyles[n]); |
| return nRet; |
| } |
| |
| bool operator==(const HashedStyle& rRight) const |
| { |
| if( Name != rRight.Name || |
| Properties != rRight.Properties || |
| Contents != rRight.Contents || |
| ContainedElement != rRight.ContainedElement || |
| SubStyles.size() != rRight.SubStyles.size() |
| ) |
| return false; |
| for( unsigned int n = 0; n < SubStyles.size(); ++n ) |
| { |
| if( SubStyles[n] != rRight.SubStyles[n] ) |
| return false; |
| } |
| return true; |
| } |
| }; |
| |
| struct StyleHash; |
| friend struct StyleHash; |
| struct StyleHash |
| { |
| size_t operator()( const StyleContainer::HashedStyle& rStyle ) const |
| { |
| return rStyle.hashCode(); |
| } |
| }; |
| |
| struct StyleIdNameSort; |
| friend struct StyleIdNameSort; |
| struct StyleIdNameSort |
| { |
| const std::hash_map< sal_Int32, HashedStyle >* m_pMap; |
| |
| StyleIdNameSort( const std::hash_map< sal_Int32, HashedStyle >* pMap ) : |
| m_pMap(pMap) |
| {} |
| bool operator()( sal_Int32 nLeft, sal_Int32 nRight ) |
| { |
| const std::hash_map< sal_Int32, HashedStyle >::const_iterator left_it = |
| m_pMap->find( nLeft ); |
| const std::hash_map< sal_Int32, HashedStyle >::const_iterator right_it = |
| m_pMap->find( nRight ); |
| if( left_it == m_pMap->end() ) |
| return false; |
| else if( right_it == m_pMap->end() ) |
| return true; |
| else |
| return left_it->second.Name < right_it->second.Name; |
| } |
| }; |
| |
| sal_Int32 m_nNextId; |
| std::hash_map< sal_Int32, HashedStyle > m_aIdToStyle; |
| std::hash_map< HashedStyle, sal_Int32, StyleHash > m_aStyleToId; |
| |
| void impl_emitStyle( sal_Int32 nStyleId, |
| EmitContext& rContext, |
| ElementTreeVisitor& rContainedElemVisitor ); |
| |
| public: |
| StyleContainer(); |
| |
| void emit( EmitContext& rContext, |
| ElementTreeVisitor& rContainedElemVisitor ); |
| |
| sal_Int32 impl_getStyleId( const Style& rStyle, bool bSubStyle ); |
| sal_Int32 getStyleId( const Style& rStyle ) |
| { return impl_getStyleId( rStyle, false ); } |
| sal_Int32 getStandardStyleId( const rtl::OString& rFamily ); |
| |
| // returns NULL for an invalid style id |
| const PropertyMap* getProperties( sal_Int32 nStyleId ) const; |
| sal_Int32 setProperties( sal_Int32 nStyleId, const PropertyMap &rNewProps ); |
| rtl::OUString getStyleName( sal_Int32 nStyle ) const; |
| }; |
| } |
| |
| #endif |