svx/source/form/fmdocumentclassification.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
   4  *
   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20
  21 #include <fmdocumentclassification.hxx>
  22
  23 #include <com/sun/star/container/XChild.hpp>
  24 #include <com/sun/star/lang/XServiceInfo.hpp>
  25 #include <com/sun/star/xforms/XFormsSupplier.hpp>
  26 #include <com/sun/star/frame/XModule.hpp>
  27
  28 #include <o3tl/string_view.hxx>
  29 #include <comphelper/diagnose_ex.hxx>
  30
  31
  32 namespace svxform
  33 {
  34
  35
  36     namespace
  37     {
  38         using ::com::sun::star::uno::Reference;
  39         using ::com::sun::star::uno::XInterface;
  40         using ::com::sun::star::container::XChild;
  41         using ::com::sun::star::frame::XModel;
  42         using ::com::sun::star::uno::UNO_QUERY;
  43         using ::com::sun::star::frame::XModule;
  44
  45
  46         template< class TYPE >
  47         Reference< TYPE > getTypedModelNode( const Reference< XInterface >& _rxModelNode )
  48         {
  49             Reference< TYPE > xTypedNode( _rxModelNode, UNO_QUERY );
  50             if ( xTypedNode.is() )
  51                 return xTypedNode;
  52             else
  53             {
  54                 Reference< XChild > xChild( _rxModelNode, UNO_QUERY );
  55                 if ( xChild.is() )
  56                     return getTypedModelNode< TYPE >( xChild->getParent() );
  57                 else
  58                     return Reference< TYPE >();
  59             }
  60         }
  61
  62
  63         Reference< XModel > getDocument( const Reference< XInterface >& _rxModelNode )
  64         {
  65             return getTypedModelNode< XModel >( _rxModelNode );
  66         }
  67     }
  68
  69     using namespace ::com::sun::star::uno;
  70     using namespace ::com::sun::star::frame;
  71     using namespace ::com::sun::star::lang;
  72     using namespace ::com::sun::star::container;
  73
  74
  75     namespace
  76     {
  77
  78         struct ModuleInfo
  79         {
  80             const char*  pAsciiModuleOrServiceName;
  81             DocumentType eType;
  82         };
  83
  84
  85         const ModuleInfo* lcl_getModuleInfo()
  86         {
  87             static const ModuleInfo aModuleInfo[] =
  88             {
  89                 { "com.sun.star.text.TextDocument", eTextDocument },
  90                 { "com.sun.star.text.WebDocument", eWebDocument },
  91                 { "com.sun.star.sheet.SpreadsheetDocument", eSpreadsheetDocument },
  92                 { "com.sun.star.drawing.DrawingDocument", eDrawingDocument },
  93                 { "com.sun.star.presentation.PresentationDocument", ePresentationDocument },
  94                 { "com.sun.star.xforms.XMLFormDocument", eEnhancedForm },
  95                 { "com.sun.star.sdb.FormDesign", eDatabaseForm },
  96                 { "com.sun.star.sdb.TextReportDesign", eDatabaseReport },
  97                 { "com.sun.star.text.GlobalDocument", eTextDocument },
  98                 { nullptr, eUnknownDocumentType }
  99             };
 100             return aModuleInfo;
 101         }
 102     }
 103
 104
 105     //= DocumentClassification
 106
 107
 108     DocumentType DocumentClassification::classifyDocument( const Reference< XModel >& _rxDocumentModel )
 109     {
 110         DocumentType eType( eUnknownDocumentType );
 111
 112         OSL_ENSURE( _rxDocumentModel.is(), "DocumentClassification::classifyDocument: invalid document!" );
 113         if ( !_rxDocumentModel.is() )
 114             return eType;
 115
 116         try
 117         {
 118             // first, check whether the document has a ModuleIdentifier which we know
 119             Reference< XModule > xModule( _rxDocumentModel, UNO_QUERY );
 120             if ( xModule.is() )
 121                 eType = getDocumentTypeForModuleIdentifier( xModule->getIdentifier() );
 122             if ( eType != eUnknownDocumentType )
 123                 return eType;
 124
 125             // second, check whether it supports one of the services we know
 126             Reference< XServiceInfo > xSI( _rxDocumentModel, UNO_QUERY_THROW );
 127             const ModuleInfo* pModuleInfo = lcl_getModuleInfo();
 128             while ( pModuleInfo->pAsciiModuleOrServiceName )
 129             {
 130                 if ( xSI->supportsService( OUString::createFromAscii( pModuleInfo->pAsciiModuleOrServiceName ) ) )
 131                     return pModuleInfo->eType;
 132                 ++pModuleInfo;
 133             }
 134
 135             // last: uhm, there is no last resort
 136             OSL_FAIL( "DocumentClassification::classifyDocument: unknown document!" );
 137         }
 138         catch( const Exception& )
 139         {
 140             DBG_UNHANDLED_EXCEPTION("svx");
 141         }
 142
 143         return eType;
 144     }
 145
 146
 147     DocumentType DocumentClassification::classifyHostDocument( const Reference< XInterface >& _rxFormComponent )
 148     {
 149         DocumentType eType( eUnknownDocumentType );
 150
 151         try
 152         {
 153             Reference< XModel > xDocument( getDocument( _rxFormComponent ) );
 154             if ( !xDocument.is() )
 155                 return eUnknownDocumentType;
 156             eType = classifyDocument( xDocument );
 157         }
 158         catch( const Exception& )
 159         {
 160             TOOLS_WARN_EXCEPTION( "svx", "DocumentClassification::classifyHostDocument" );
 161         }
 162
 163         return eType;
 164     }
 165
 166
 167     DocumentType DocumentClassification::getDocumentTypeForModuleIdentifier( std::u16string_view _rModuleIdentifier )
 168     {
 169         const ModuleInfo* pModuleInfo = lcl_getModuleInfo();
 170         while ( pModuleInfo->pAsciiModuleOrServiceName )
 171         {
 172             if ( o3tl::equalsAscii(_rModuleIdentifier, pModuleInfo->pAsciiModuleOrServiceName ) )
 173                 return pModuleInfo->eType;
 174             ++pModuleInfo;
 175         }
 176         return eUnknownDocumentType;
 177     }
 178
 179
 180     OUString DocumentClassification::getModuleIdentifierForDocumentType( DocumentType _eType )
 181     {
 182         const ModuleInfo* pModuleInfo = lcl_getModuleInfo();
 183         while ( pModuleInfo->pAsciiModuleOrServiceName )
 184         {
 185             if ( pModuleInfo->eType == _eType )
 186                 return OUString::createFromAscii( pModuleInfo->pAsciiModuleOrServiceName );
 187             ++pModuleInfo;
 188         }
 189         return OUString();
 190     }
 191
 192
 193 }
 194
 195
 196 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */