dbaccess/source/core/recovery/settingsimport.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 #include "settingsimport.hxx"
  21
  22 #include <comphelper/diagnose_ex.hxx>
  23 #include <sal/log.hxx>
  24 #include <sax/tools/converter.hxx>
  25 #include <xmloff/xmltoken.hxx>
  26
  27 namespace dbaccess
  28 {
  29
  30     using ::com::sun::star::uno::Reference;
  31     using ::com::sun::star::uno::Any;
  32     using ::com::sun::star::xml::sax::XAttributeList;
  33
  34     // SettingsImport
  35     SettingsImport::SettingsImport()
  36     {
  37     }
  38
  39     SettingsImport::~SettingsImport()
  40     {
  41     }
  42
  43     void SettingsImport::startElement( const Reference< XAttributeList >& i_rAttributes )
  44     {
  45         // find the name of the setting
  46         if ( i_rAttributes.is() )
  47         {
  48             m_sItemName = i_rAttributes->getValueByName( u"config:name"_ustr );
  49             m_sItemType = i_rAttributes->getValueByName( u"config:type"_ustr );
  50         }
  51     }
  52
  53     void SettingsImport::endElement()
  54     {
  55     }
  56
  57     void SettingsImport::characters( std::u16string_view i_rCharacters )
  58     {
  59         m_aCharacters.append( i_rCharacters );
  60     }
  61
  62     void SettingsImport::split( const OUString& i_rElementName, OUString& o_rNamespace, OUString& o_rLocalName )
  63     {
  64         o_rNamespace.clear();
  65         o_rLocalName = i_rElementName;
  66         const sal_Int32 nSeparatorPos = i_rElementName.indexOf( ':' );
  67         if ( nSeparatorPos > -1 )
  68         {
  69             o_rNamespace = i_rElementName.copy( 0, nSeparatorPos );
  70             o_rLocalName = i_rElementName.copy( nSeparatorPos + 1 );
  71         }
  72
  73         OSL_ENSURE( o_rNamespace == "config", "SettingsImport::split: unexpected namespace!" );
  74             // our recovery file is kind of hand-made, so there shouldn't be anything else than "config".
  75             // If there is, then just ignore it ...
  76     }
  77
  78     // IgnoringSettingsImport
  79     ::rtl::Reference< SettingsImport > IgnoringSettingsImport::nextState( const OUString& )
  80     {
  81         return this;
  82     }
  83
  84     // OfficeSettingsImport
  85     OfficeSettingsImport::OfficeSettingsImport( ::comphelper::NamedValueCollection& o_rSettings )
  86         :m_rSettings( o_rSettings )
  87     {
  88     }
  89
  90     OfficeSettingsImport::~OfficeSettingsImport()
  91     {
  92     }
  93
  94     ::rtl::Reference< SettingsImport > OfficeSettingsImport::nextState( const OUString& i_rElementName )
  95     {
  96         // separate the namespace part from the element name
  97         OUString sNamespace;
  98         OUString sLocalName;
  99         split( i_rElementName, sNamespace, sLocalName );
 100
 101         if ( sLocalName == "config-item-set" )
 102             return new ConfigItemSetImport( m_rSettings );
 103
 104         SAL_WARN( "dbaccess", "unknown (or unsupported at this place) element name '"
 105                     << i_rElementName
 106                     << "', ignoring");
 107         return new IgnoringSettingsImport;
 108     }
 109
 110     // ConfigItemImport
 111     ConfigItemImport::ConfigItemImport( ::comphelper::NamedValueCollection& o_rSettings )
 112         :m_rSettings( o_rSettings )
 113     {
 114     }
 115
 116     ConfigItemImport::~ConfigItemImport()
 117     {
 118     }
 119
 120     ::rtl::Reference< SettingsImport > ConfigItemImport::nextState( const OUString& )
 121     {
 122         OSL_FAIL( "ConfigItemImport::nextState: unexpected: this class is responsible for child-less items only!" );
 123         return new IgnoringSettingsImport;
 124     }
 125
 126     void ConfigItemImport::endElement()
 127     {
 128         SettingsImport::endElement();
 129
 130         const OUString sItemName( getItemName() );
 131         ENSURE_OR_RETURN_VOID( !sItemName.isEmpty(), "no item name -> no item value" );
 132         Any aValue;
 133         getItemValue( aValue );
 134         m_rSettings.put( sItemName, aValue );
 135     }
 136
 137     void ConfigItemImport::getItemValue( css::uno::Any& o_rValue ) const
 138     {
 139         o_rValue.clear();
 140
 141         // the characters building up th evalue
 142         std::u16string_view sValue = getAccumulatedCharacters();
 143
 144         const OUString& rItemType( getItemType() );
 145         ENSURE_OR_RETURN_VOID( !rItemType.isEmpty(), "no item type -> no item value" );
 146
 147         if ( ::xmloff::token::IsXMLToken( rItemType, ::xmloff::token::XML_INT ) )
 148         {
 149             sal_Int32 nValue(0);
 150             if (::sax::Converter::convertNumber( nValue, sValue ))
 151             {
 152                 o_rValue <<= nValue;
 153             }
 154             else
 155             {
 156                 OSL_FAIL( "ConfigItemImport::getItemValue: could not convert an int value!" );
 157             }
 158         }
 159         else if ( ::xmloff::token::IsXMLToken( rItemType, ::xmloff::token::XML_BOOLEAN ) )
 160         {
 161             bool bValue(false);
 162             if (::sax::Converter::convertBool( bValue, sValue ))
 163             {
 164                 o_rValue <<= bValue;
 165             }
 166             else
 167             {
 168                 OSL_FAIL( "ConfigItemImport::getItemValue: could not convert a boolean value!" );
 169             }
 170         }
 171         else if ( ::xmloff::token::IsXMLToken( rItemType, ::xmloff::token::XML_STRING ) )
 172         {
 173             o_rValue <<= OUString(sValue);
 174         }
 175         else
 176         {
 177             SAL_WARN( "dbaccess", "ConfigItemImport::getItemValue: unsupported item type '"
 178                     << rItemType << "', ignoring");
 179         }
 180     }
 181
 182     // ConfigItemSetImport
 183     ConfigItemSetImport::ConfigItemSetImport( ::comphelper::NamedValueCollection& o_rSettings )
 184         :ConfigItemImport( o_rSettings )
 185     {
 186     }
 187
 188     ConfigItemSetImport::~ConfigItemSetImport()
 189     {
 190     }
 191
 192     ::rtl::Reference< SettingsImport > ConfigItemSetImport::nextState( const OUString& i_rElementName )
 193     {
 194         // separate the namespace part from the element name
 195         OUString sNamespace;
 196         OUString sLocalName;
 197         split( i_rElementName, sNamespace, sLocalName );
 198
 199         if ( sLocalName == "config-item-set" )
 200             return new ConfigItemSetImport( m_aChildSettings );
 201         if ( sLocalName == "config-item" )
 202             return new ConfigItemImport( m_aChildSettings );
 203
 204         SAL_WARN( "dbaccess", "unknown element name '"
 205                     << i_rElementName << "', ignoring");
 206         return new IgnoringSettingsImport;
 207     }
 208
 209     void ConfigItemSetImport::getItemValue( Any& o_rValue ) const
 210     {
 211         o_rValue <<= m_aChildSettings.getPropertyValues();
 212     }
 213
 214 } // namespace dbaccess
 215
 216 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */