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/sdbc/XConnection.hpp>
  27 #include <com/sun/star/frame/XModule.hpp>
  28
  29 #include <tools/diagnose_ex.h>
  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     using namespace ::com::sun::star::sdbc;
  75
  76
  77     namespace
  78     {
  79
  80         struct ModuleInfo
  81         {
  82             const sal_Char* pAsciiModuleOrServiceName;
  83             DocumentType const    eType;
  84         };
  85
  86
  87         const ModuleInfo* lcl_getModuleInfo()
  88         {
  89             static const ModuleInfo aModuleInfo[] =
  90             {
  91                 { "com.sun.star.text.TextDocument", eTextDocument },
  92                 { "com.sun.star.text.WebDocument", eWebDocument },
  93                 { "com.sun.star.sheet.SpreadsheetDocument", eSpreadsheetDocument },
  94                 { "com.sun.star.drawing.DrawingDocument", eDrawingDocument },
  95                 { "com.sun.star.presentation.PresentationDocument", ePresentationDocument },
  96                 { "com.sun.star.xforms.XMLFormDocument", eEnhancedForm },
  97                 { "com.sun.star.sdb.FormDesign", eDatabaseForm },
  98                 { "com.sun.star.sdb.TextReportDesign", eDatabaseReport },
  99                 { "com.sun.star.text.GlobalDocument", eTextDocument },
 100                 { nullptr, eUnknownDocumentType }
 101             };
 102             return aModuleInfo;
 103         }
 104     }
 105
 106
 107     //= DocumentClassification
 108
 109
 110     DocumentType DocumentClassification::classifyDocument( const Reference< XModel >& _rxDocumentModel )
 111     {
 112         DocumentType eType( eUnknownDocumentType );
 113
 114         OSL_ENSURE( _rxDocumentModel.is(), "DocumentClassification::classifyDocument: invalid document!" );
 115         if ( !_rxDocumentModel.is() )
 116             return eType;
 117
 118         try
 119         {
 120             // first, check whether the document has a ModuleIdentifier which we know
 121             Reference< XModule > xModule( _rxDocumentModel, UNO_QUERY );
 122             if ( xModule.is() )
 123                 eType = getDocumentTypeForModuleIdentifier( xModule->getIdentifier() );
 124             if ( eType != eUnknownDocumentType )
 125                 return eType;
 126
 127             // second, check whether it supports one of the services we know
 128             Reference< XServiceInfo > xSI( _rxDocumentModel, UNO_QUERY_THROW );
 129             const ModuleInfo* pModuleInfo = lcl_getModuleInfo();
 130             while ( pModuleInfo->pAsciiModuleOrServiceName )
 131             {
 132                 if ( xSI->supportsService( OUString::createFromAscii( pModuleInfo->pAsciiModuleOrServiceName ) ) )
 133                     return pModuleInfo->eType;
 134                 ++pModuleInfo;
 135             }
 136
 137             // last: uhm, there is no last resort
 138             OSL_FAIL( "DocumentClassification::classifyDocument: unknown document!" );
 139         }
 140         catch( const Exception& )
 141         {
 142             DBG_UNHANDLED_EXCEPTION("svx");
 143         }
 144
 145         return eType;
 146     }
 147
 148
 149     DocumentType DocumentClassification::classifyHostDocument( const Reference< XInterface >& _rxFormComponent )
 150     {
 151         DocumentType eType( eUnknownDocumentType );
 152
 153         try
 154         {
 155             Reference< XModel > xDocument( getDocument( _rxFormComponent.get() ) );
 156             if ( !xDocument.is() )
 157                 return eUnknownDocumentType;
 158             eType = classifyDocument( xDocument );
 159         }
 160         catch( const Exception& )
 161         {
 162             OSL_FAIL( "DocumentClassification::classifyHostDocument: caught an exception!" );
 163         }
 164
 165         return eType;
 166     }
 167
 168
 169     DocumentType DocumentClassification::getDocumentTypeForModuleIdentifier( const OUString& _rModuleIdentifier )
 170     {
 171         const ModuleInfo* pModuleInfo = lcl_getModuleInfo();
 172         while ( pModuleInfo->pAsciiModuleOrServiceName )
 173         {
 174             if ( _rModuleIdentifier.equalsAscii( pModuleInfo->pAsciiModuleOrServiceName ) )
 175                 return pModuleInfo->eType;
 176             ++pModuleInfo;
 177         }
 178         return eUnknownDocumentType;
 179     }
 180
 181
 182     OUString DocumentClassification::getModuleIdentifierForDocumentType( DocumentType _eType )
 183     {
 184         const ModuleInfo* pModuleInfo = lcl_getModuleInfo();
 185         while ( pModuleInfo->pAsciiModuleOrServiceName )
 186         {
 187             if ( pModuleInfo->eType == _eType )
 188                 return OUString::createFromAscii( pModuleInfo->pAsciiModuleOrServiceName );
 189             ++pModuleInfo;
 190         }
 191         return OUString();
 192     }
 193
 194
 195 }
 196
 197
 198 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */