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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
commited5640d8b587fbcfed7dd7967f3de04b37a76f26 (patch)
tree7a5f7c6c9d02226d7471cb3cc8fbbf631b415303 /shell/source/win32/ooofilereader/metainforeader.cxx
parentInitial commit. (diff)
downloadlibreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.tar.xz
libreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.zip
Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'shell/source/win32/ooofilereader/metainforeader.cxx')
-rw-r--r--shell/source/win32/ooofilereader/metainforeader.cxx285
1 files changed, 285 insertions, 0 deletions
diff --git a/shell/source/win32/ooofilereader/metainforeader.cxx b/shell/source/win32/ooofilereader/metainforeader.cxx
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+++ b/shell/source/win32/ooofilereader/metainforeader.cxx
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+/* -*- 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 <metainforeader.hxx>
+#include "dummytag.hxx"
+#include "simpletag.hxx"
+#include "keywordstag.hxx"
+
+#include <assert.h>
+
+/** constructor.
+*/
+CMetaInfoReader::CMetaInfoReader( const Filepath_t& DocumentName ):
+CBaseReader( DocumentName )
+{
+ try
+ {
+ m_pKeywords_Builder = new CKeywordsTag;
+ m_pSimple_Builder = new CSimpleTag( );
+ m_pDummy_Builder = new CDummyTag;
+
+ //retrieve all information 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&)
+ {
+ // OSL_ENSURE(false, ex.what());
+ }
+ catch(...)
+ {
+ // OSL_ENSURE(false, "Unknown error");
+ }
+}
+
+CMetaInfoReader::CMetaInfoReader( StreamInterface* stream ) :
+CBaseReader( stream )
+{
+try
+ {
+ m_pKeywords_Builder = new CKeywordsTag;
+ m_pSimple_Builder = new CSimpleTag( );
+ m_pDummy_Builder = new CDummyTag;
+
+ //retrieve all information 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&)
+ {
+ // OSL_ENSURE(false, ex.what());
+ }
+ catch(...)
+ {
+ // OSL_ENSURE(false, "Unknown error");
+ }
+
+}
+
+/** destructor.
+*/
+
+CMetaInfoReader::~CMetaInfoReader()
+{
+ 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 retrieve.
+*/
+bool CMetaInfoReader::hasTag(const 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 retrieve.
+*/
+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, const 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, const 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" )));
+
+static bool isValidLocale(const ::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 string_t& /*raw_name*/,
+ const string_t& local_name,
+ const xml_tag_attribute_container_t& attributes)
+{
+ //get appropriate Xml Tag Builder using MetaInfoBuilderFactory;
+ ITag* pTagBuilder = chooseTagReader( local_name,attributes );
+ assert( pTagBuilder!= nullptr );
+ pTagBuilder->startTag( );
+ m_TagBuilderStack.push( pTagBuilder );
+
+}
+
+
+// end_element occurs when a tag is closed
+
+
+void CMetaInfoReader::end_element(const string_t& /*raw_name*/, const string_t& 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 string_t& character )
+{
+ if ( character.length() > 0 && !HasOnlySpaces( character ) )
+ {
+ ITag* pTagBuilder = m_TagBuilderStack.top();
+ pTagBuilder->addCharacters( character );
+ }
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */