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Diffstat (limited to 'shell/source/all')
| -rw-r--r-- | shell/source/all/ooofilereader/metainforeader.cxx | 299 |
1 files changed, 299 insertions, 0 deletions
diff --git a/shell/source/all/ooofilereader/metainforeader.cxx b/shell/source/all/ooofilereader/metainforeader.cxx new file mode 100644 index 000000000000..fc2aebb6e05a --- /dev/null +++ b/shell/source/all/ooofilereader/metainforeader.cxx @@ -0,0 +1,299 @@ +/************************************************************************* + * + * $RCSfile: metainforeader.cxx,v $ + * + * $Revision: 1.2 $ + * + * last change: $Author: hr $ $Date: 2004-09-08 14:29:53 $ + * + * The Contents of this file are made available subject to the terms of + * either of the following licenses + * + * - GNU Lesser General Public License Version 2.1 + * - Sun Industry Standards Source License Version 1.1 + * + * Sun Microsystems Inc., October, 2000 + * + * GNU Lesser General Public License Version 2.1 + * ============================================= + * Copyright 2000 by Sun Microsystems, Inc. + * 901 San Antonio Road, Palo Alto, CA 94303, USA + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License version 2.1, as published by the Free Software Foundation. + * + * This library 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + * + * + * Sun Industry Standards Source License Version 1.1 + * ================================================= + * The contents of this file are subject to the Sun Industry Standards + * Source License Version 1.1 (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.openoffice.org/license.html. + * + * Software provided under this License is provided on an "AS IS" basis, + * WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, + * WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS, + * MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING. + * See the License for the specific provisions governing your rights and + * obligations concerning the Software. + * + * The Initial Developer of the Original Code is: Sun Microsystems, Inc. + * + * Copyright: 2000 by Sun Microsystems, Inc. + * + * All Rights Reserved. + * + * Contributor(s): _______________________________________ + * + * + ************************************************************************/ + +#ifndef METAINFOREADER_HXX_INCLUDED +#include "internal/metainforeader.hxx" +#endif + +#ifndef DUMMYTAG_HXX_INCLUDED +#include "dummytag.hxx" +#endif + +#ifndef SIMPLETAG_HXX_INCLUDED +#include "simpletag.hxx" +#endif + +#ifndef KEYWORDSTAG_HXX_INCLUDED +#include "keywordstag.hxx" +#endif + +#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& ex) + { + 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( m_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 ); + } +} + |