Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 285 insertions, 0 deletions

diff --git a/shell/source/win32/ooofilereader/metainforeader.cxx b/shell/source/win32/ooofilereader/metainforeader.cxx
new file mode 100644
index 000000000..9eab4d5e0
--- /dev/null
+++ b/shell/source/win32/ooofilereader/metainforeader.cxx
@@ -0,0 +1,285 @@
+/* -*- 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: */