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::xforms;
  73     using namespace ::com::sun::star::container;
  74
  75
  76     namespace
  77     {
  78
  79         struct ModuleInfo
  80         {
  81             const char*  pAsciiModuleOrServiceName;
  82             DocumentType eType;
  83         };
  84
  85
  86         const ModuleInfo* lcl_getModuleInfo()
  87         {
  88             static const ModuleInfo aModuleInfo[] =
  89             {
  90                 { "com.sun.star.text.TextDocument", eTextDocument },
  91                 { "com.sun.star.text.WebDocument", eWebDocument },
  92                 { "com.sun.star.sheet.SpreadsheetDocument", eSpreadsheetDocument },
  93                 { "com.sun.star.drawing.DrawingDocument", eDrawingDocument },
  94                 { "com.sun.star.presentation.PresentationDocument", ePresentationDocument },
  95                 { "com.sun.star.xforms.XMLFormDocument", eEnhancedForm },
  96                 { "com.sun.star.sdb.FormDesign", eDatabaseForm },
  97                 { "com.sun.star.sdb.TextReportDesign", eDatabaseReport },
  98                 { "com.sun.star.text.GlobalDocument", eTextDocument },
  99                 { nullptr, eUnknownDocumentType }
 100             };
 101             return aModuleInfo;
 102         }
 103     }
 104
 105
 106     //= DocumentClassification
 107
 108
 109     DocumentType DocumentClassification::classifyDocument( const Reference< XModel >& _rxDocumentModel )
 110     {
 111         DocumentType eType( eUnknownDocumentType );
 112
 113         OSL_ENSURE( _rxDocumentModel.is(), "DocumentClassification::classifyDocument: invalid document!" );
 114         if ( !_rxDocumentModel.is() )
 115             return eType;
 116
 117         try
 118         {
 119             // first, check whether the document has a ModuleIdentifier which we know
 120             Reference< XModule > xModule( _rxDocumentModel, UNO_QUERY );
 121             if ( xModule.is() )
 122                 eType = getDocumentTypeForModuleIdentifier( xModule->getIdentifier() );
 123             if ( eType != eUnknownDocumentType )
 124                 return eType;
 125
 126             // second, check whether it supports one of the services we know
 127             Reference< XServiceInfo > xSI( _rxDocumentModel, UNO_QUERY_THROW );
 128             const ModuleInfo* pModuleInfo = lcl_getModuleInfo();
 129             while ( pModuleInfo->pAsciiModuleOrServiceName )
 130             {
 131                 if ( xSI->supportsService( OUString::createFromAscii( pModuleInfo->pAsciiModuleOrServiceName ) ) )
 132                     return pModuleInfo->eType;
 133                 ++pModuleInfo;
 134             }
 135
 136             // last: uhm, there is no last resort
 137             OSL_FAIL( "DocumentClassification::classifyDocument: unknown document!" );
 138         }
 139         catch( const Exception& )
 140         {
 141             DBG_UNHANDLED_EXCEPTION("svx");
 142         }
 143
 144         return eType;
 145     }
 146
 147
 148     DocumentType DocumentClassification::classifyHostDocument( const Reference< XInterface >& _rxFormComponent )
 149     {
 150         DocumentType eType( eUnknownDocumentType );
 151
 152         try
 153         {
 154             Reference< XModel > xDocument( getDocument( _rxFormComponent ) );
 155             if ( !xDocument.is() )
 156                 return eUnknownDocumentType;
 157             eType = classifyDocument( xDocument );
 158         }
 159         catch( const Exception& )
 160         {
 161             TOOLS_WARN_EXCEPTION( "svx", "DocumentClassification::classifyHostDocument" );
 162         }
 163
 164         return eType;
 165     }
 166
 167
 168     DocumentType DocumentClassification::getDocumentTypeForModuleIdentifier( std::u16string_view _rModuleIdentifier )
 169     {
 170         const ModuleInfo* pModuleInfo = lcl_getModuleInfo();
 171         while ( pModuleInfo->pAsciiModuleOrServiceName )
 172         {
 173             if ( o3tl::equalsAscii(_rModuleIdentifier, pModuleInfo->pAsciiModuleOrServiceName ) )
 174                 return pModuleInfo->eType;
 175             ++pModuleInfo;
 176         }
 177         return eUnknownDocumentType;
 178     }
 179
 180
 181     OUString DocumentClassification::getModuleIdentifierForDocumentType( DocumentType _eType )
 182     {
 183         const ModuleInfo* pModuleInfo = lcl_getModuleInfo();
 184         while ( pModuleInfo->pAsciiModuleOrServiceName )
 185         {
 186             if ( pModuleInfo->eType == _eType )
 187                 return OUString::createFromAscii( pModuleInfo->pAsciiModuleOrServiceName );
 188             ++pModuleInfo;
 189         }
 190         return OUString();
 191     }
 192
 193
 194 }
 195
 196
 197 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */