| /************************************************************** |
| * |
| * 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. |
| * |
| *************************************************************/ |
| |
| |
| |
| // MARKER(update_precomp.py): autogen include statement, do not remove |
| #include "precompiled_shell.hxx" |
| #include "internal/metainforeader.hxx" |
| #include "dummytag.hxx" |
| #include "simpletag.hxx" |
| #include "keywordstag.hxx" |
| |
| #include "assert.h" |
| |
| /** constructor. |
| */ |
| CMetaInfoReader::CMetaInfoReader( const std::string& DocumentName ): |
| CBaseReader( DocumentName ) |
| { |
| try |
| { |
| m_pKeywords_Builder = new CKeywordsTag( ); |
| m_pSimple_Builder = new CSimpleTag( ); |
| m_pDummy_Builder = new CDummyTag( ); |
| |
| //retrieve all infomation that is useful |
| m_AllMetaInfo[META_INFO_AUTHOR] = EMPTY_XML_TAG; |
| m_AllMetaInfo[META_INFO_TITLE] = EMPTY_XML_TAG; |
| m_AllMetaInfo[META_INFO_SUBJECT] = EMPTY_XML_TAG; |
| m_AllMetaInfo[META_INFO_KEYWORDS] = EMPTY_XML_TAG; |
| m_AllMetaInfo[META_INFO_DESCRIPTION] = EMPTY_XML_TAG; |
| m_AllMetaInfo[META_INFO_DOCUMENT_STATISTIC] = EMPTY_XML_TAG; |
| |
| m_AllMetaInfo[META_INFO_GENERATOR] = EMPTY_XML_TAG; |
| m_AllMetaInfo[META_INFO_CREATION] = EMPTY_XML_TAG; |
| m_AllMetaInfo[META_INFO_CREATOR] = EMPTY_XML_TAG; |
| m_AllMetaInfo[META_INFO_MODIFIED] = EMPTY_XML_TAG; |
| m_AllMetaInfo[META_INFO_LANGUAGE] = EMPTY_XML_TAG; |
| m_AllMetaInfo[META_INFO_DOCUMENT_NUMBER] = EMPTY_XML_TAG; |
| m_AllMetaInfo[META_INFO_EDITING_TIME] = EMPTY_XML_TAG; |
| |
| Initialize( META_CONTENT_NAME ); |
| } |
| catch(xml_parser_exception& |
| #if OSL_DEBUG_LEVEL > 0 |
| ex |
| #endif |
| ) |
| { |
| ENSURE(false, ex.what()); |
| } |
| catch(...) |
| { |
| ENSURE(false, "Unknown error"); |
| } |
| } |
| |
| CMetaInfoReader::CMetaInfoReader( void* stream, zlib_filefunc_def* fa) : |
| CBaseReader( stream, fa) |
| { |
| try |
| { |
| m_pKeywords_Builder = new CKeywordsTag( ); |
| m_pSimple_Builder = new CSimpleTag( ); |
| m_pDummy_Builder = new CDummyTag( ); |
| |
| //retrieve all infomation that is useful |
| m_AllMetaInfo[META_INFO_AUTHOR] = EMPTY_XML_TAG; |
| m_AllMetaInfo[META_INFO_TITLE] = EMPTY_XML_TAG; |
| m_AllMetaInfo[META_INFO_SUBJECT] = EMPTY_XML_TAG; |
| m_AllMetaInfo[META_INFO_KEYWORDS] = EMPTY_XML_TAG; |
| m_AllMetaInfo[META_INFO_DESCRIPTION] = EMPTY_XML_TAG; |
| m_AllMetaInfo[META_INFO_DOCUMENT_STATISTIC] = EMPTY_XML_TAG; |
| |
| m_AllMetaInfo[META_INFO_GENERATOR] = EMPTY_XML_TAG; |
| m_AllMetaInfo[META_INFO_CREATION] = EMPTY_XML_TAG; |
| m_AllMetaInfo[META_INFO_CREATOR] = EMPTY_XML_TAG; |
| m_AllMetaInfo[META_INFO_MODIFIED] = EMPTY_XML_TAG; |
| m_AllMetaInfo[META_INFO_LANGUAGE] = EMPTY_XML_TAG; |
| m_AllMetaInfo[META_INFO_DOCUMENT_NUMBER] = EMPTY_XML_TAG; |
| m_AllMetaInfo[META_INFO_EDITING_TIME] = EMPTY_XML_TAG; |
| |
| Initialize( META_CONTENT_NAME ); |
| } |
| catch(xml_parser_exception& |
| #if OSL_DEBUG_LEVEL > 0 |
| ex |
| #endif |
| ) |
| { |
| ENSURE(false, ex.what()); |
| } |
| catch(...) |
| { |
| ENSURE(false, "Unknown error"); |
| } |
| |
| } |
| |
| /** destructor. |
| */ |
| |
| CMetaInfoReader::~CMetaInfoReader( void ) |
| { |
| delete m_pKeywords_Builder; |
| delete m_pSimple_Builder; |
| delete m_pDummy_Builder; |
| } |
| |
| |
| /*********************** export functions ***********************/ |
| |
| /** check if the Tag is in the target meta.xml file. |
| |
| @param TagName |
| the name of the tag that will be retrive. |
| */ |
| bool CMetaInfoReader::hasTag( std::wstring TagName ) const |
| { |
| return ( m_AllMetaInfo.find(TagName) != m_AllMetaInfo.end()); |
| } |
| |
| /** Get a specific tag content, compound tags will be returned as comma separated list. |
| |
| @param TagName |
| the name of the tag that will be retrive. |
| */ |
| std::wstring CMetaInfoReader::getTagData( const std::wstring& TagName) |
| { |
| if( hasTag( TagName ) ) |
| return m_AllMetaInfo[TagName].first; |
| else |
| return EMPTY_STRING; |
| } |
| |
| /** check if the a tag has the specific attribute. |
| |
| @param TagName |
| the name of the tag. |
| @param AttributeName |
| the name of the attribute. |
| */ |
| bool CMetaInfoReader::hasTagAttribute( const std::wstring TagName, std::wstring AttributeName) |
| { |
| return ( m_AllMetaInfo[TagName].second.find( AttributeName) != m_AllMetaInfo[TagName].second.end() ); |
| } |
| |
| /** Get a specific attribute content. |
| |
| @param TagName |
| the name of the tag. |
| @param AttributeName |
| the name of the attribute. |
| */ |
| std::wstring CMetaInfoReader::getTagAttribute( const std::wstring TagName, std::wstring AttributeName) |
| { |
| if ( hasTagAttribute( TagName, AttributeName ) ) |
| return m_AllMetaInfo[ TagName ].second[AttributeName]; |
| else |
| return EMPTY_STRING; |
| } |
| |
| /** helper function for getDefaultLocale(). |
| */ |
| const LocaleSet_t EN_US_LOCALE( ::std::make_pair( ::std::wstring( L"en" ), ::std::wstring( L"US" ))); |
| |
| bool isValidLocale ( ::std::wstring Locale ) |
| { |
| return ( Locale.length() == 5 ); |
| } |
| |
| /** Get the default language of the whole document, if no such field, en-US is returned. |
| */ |
| LocaleSet_t CMetaInfoReader::getDefaultLocale() |
| { |
| if (hasTag(META_INFO_LANGUAGE)) |
| { |
| ::std::wstring locale = m_AllMetaInfo[META_INFO_LANGUAGE].first; |
| return isValidLocale(locale) ? ::std::make_pair(locale.substr( 0,2), locale.substr( 3,2)) : EN_US_LOCALE; |
| } |
| else |
| return EN_US_LOCALE; |
| } |
| |
| /*********************** tag related functions ***********************/ |
| |
| /** choose an appropriate tag reader |
| */ |
| |
| ITag* CMetaInfoReader::chooseTagReader( const std::wstring& tag_name, const XmlTagAttributes_t& XmlAttributes ) |
| { |
| if ( tag_name == META_INFO_KEYWORD ) |
| { |
| m_AllMetaInfo[META_INFO_KEYWORDS].second = XmlAttributes; |
| return m_pKeywords_Builder; |
| } |
| if (( tag_name == META_INFO_TITLE )||( tag_name == META_INFO_AUTHOR )||( tag_name == META_INFO_SUBJECT )||( tag_name == META_INFO_DESCRIPTION )|| |
| ( tag_name == META_INFO_DOCUMENT_STATISTIC )||( tag_name == META_INFO_GENERATOR )||( tag_name == META_INFO_CREATION )||( tag_name == META_INFO_CREATOR )|| |
| ( tag_name == META_INFO_MODIFIED )||( tag_name == META_INFO_LANGUAGE )||( tag_name == META_INFO_DOCUMENT_NUMBER )||( tag_name == META_INFO_EDITING_TIME ) ) |
| { |
| m_AllMetaInfo[tag_name].second = XmlAttributes; |
| return m_pSimple_Builder; |
| } |
| else |
| return m_pDummy_Builder; |
| |
| } |
| |
| //------------------------------ |
| // save the received content into structure. |
| //------------------------------ |
| void CMetaInfoReader::saveTagContent( const std::wstring& tag_name ) |
| { |
| ITag* pTagBuilder; |
| if ( tag_name == META_INFO_KEYWORDS ) |
| pTagBuilder = m_pKeywords_Builder; |
| else if ( tag_name == META_INFO_KEYWORD ) |
| { |
| // added for support for OASIS xml file format. |
| m_AllMetaInfo[META_INFO_KEYWORDS].first =m_pKeywords_Builder->getTagContent( ); |
| return; |
| } |
| else if (( tag_name == META_INFO_TITLE )||( tag_name == META_INFO_AUTHOR )||( tag_name == META_INFO_SUBJECT )||( tag_name == META_INFO_DESCRIPTION )|| |
| ( tag_name == META_INFO_DOCUMENT_STATISTIC )||( tag_name == META_INFO_GENERATOR )||( tag_name == META_INFO_CREATION )||( tag_name == META_INFO_CREATOR )|| |
| ( tag_name == META_INFO_MODIFIED )||( tag_name == META_INFO_LANGUAGE )||( tag_name == META_INFO_DOCUMENT_NUMBER )||( tag_name == META_INFO_EDITING_TIME ) ) |
| pTagBuilder = m_pSimple_Builder; |
| else |
| pTagBuilder = m_pDummy_Builder; |
| |
| m_AllMetaInfo[tag_name].first =pTagBuilder->getTagContent( ); |
| } |
| |
| |
| /*********************** event handler functions ***********************/ |
| |
| //------------------------------ |
| // start_element occurs when a tag is start |
| //------------------------------ |
| |
| void CMetaInfoReader::start_element( |
| const std::wstring& /*raw_name*/, |
| const std::wstring& local_name, |
| const XmlTagAttributes_t& attributes) |
| { |
| //get appropriate Xml Tag Builder using MetaInfoBuilderFactory; |
| ITag* pTagBuilder = chooseTagReader( local_name,attributes ); |
| assert( pTagBuilder!= NULL ); |
| pTagBuilder->startTag( ); |
| m_TagBuilderStack.push( pTagBuilder ); |
| |
| } |
| |
| //------------------------------ |
| // end_element occurs when a tag is closed |
| //------------------------------ |
| |
| void CMetaInfoReader::end_element(const std::wstring& /*raw_name*/, const std::wstring& local_name) |
| { |
| assert( !m_TagBuilderStack.empty() ); |
| ITag* pTagBuilder = m_TagBuilderStack.top(); |
| m_TagBuilderStack.pop(); |
| pTagBuilder->endTag(); |
| |
| saveTagContent( local_name ); |
| |
| } |
| |
| //------------------------------ |
| // characters occurs when receiving characters |
| //------------------------------ |
| |
| void CMetaInfoReader::characters( const std::wstring& character ) |
| { |
| if ( character.length() > 0 && !HasOnlySpaces( character ) ) |
| { |
| ITag* pTagBuilder = m_TagBuilderStack.top(); |
| pTagBuilder->addCharacters( character ); |
| } |
| } |
| |