xmloff/source/script/XMLEventsImportContext.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 <xmloff/XMLEventsImportContext.hxx>
  21
  22 #include <XMLEventImportHelper.hxx>
  23
  24 #include <com/sun/star/document/XEventsSupplier.hpp>
  25 #include <xmloff/xmlimp.hxx>
  26 #include <xmloff/xmlnamespace.hxx>
  27 #include <xmloff/xmltoken.hxx>
  28 #include <xmloff/xmlerror.hxx>
  29
  30 using namespace ::com::sun::star::uno;
  31 using namespace ::xmloff::token;
  32
  33 using ::com::sun::star::beans::PropertyValue;
  34 using ::com::sun::star::container::XNameReplace;
  35 using ::com::sun::star::document::XEventsSupplier;
  36 using ::com::sun::star::lang::IllegalArgumentException;
  37
  38
  39 XMLEventsImportContext::XMLEventsImportContext(SvXMLImport& rImport) :
  40     SvXMLImportContext(rImport)
  41 {
  42 }
  43
  44
  45 XMLEventsImportContext::XMLEventsImportContext(
  46     SvXMLImport& rImport,
  47     const Reference<XEventsSupplier> & xEventsSupplier) :
  48         SvXMLImportContext(rImport),
  49         m_xEvents(xEventsSupplier->getEvents())
  50 {
  51 }
  52
  53
  54 XMLEventsImportContext::XMLEventsImportContext(
  55     SvXMLImport& rImport,
  56     const Reference<XNameReplace> & xNameReplace) :
  57         SvXMLImportContext(rImport),
  58         m_xEvents(xNameReplace)
  59 {
  60 }
  61
  62 XMLEventsImportContext::~XMLEventsImportContext()
  63 {
  64 //  // if, for whatever reason, the object gets destroyed prematurely,
  65 //  // we need to delete the collected events
  66 }
  67
  68
  69 css::uno::Reference< css::xml::sax::XFastContextHandler > XMLEventsImportContext::createFastChildContext(
  70     sal_Int32 /*nElement*/,
  71     const css::uno::Reference< css::xml::sax::XFastAttributeList >& xAttrList )
  72 {
  73     // a) search for script:language and script:event-name attribute
  74     // b) delegate to factory. The factory will:
  75     //    1) translate XML event name into API event name
  76     //    2) get proper event context factory from import
  77     //    3) instantiate context
  78
  79     // a) search for script:language and script:event-name attribute
  80     OUString sLanguage;
  81     OUString sEventName;
  82     for (auto &aIter : sax_fastparser::castToFastAttributeList( xAttrList ))
  83     {
  84         OUString sValue = aIter.toString();
  85
  86         if (aIter.getToken() == XML_ELEMENT(SCRIPT, XML_EVENT_NAME))
  87         {
  88             sEventName = sValue;
  89         }
  90         else if (aIter.getToken() == XML_ELEMENT(SCRIPT, XML_LANGUAGE))
  91         {
  92             sLanguage = sValue;
  93             // else: ignore -> let child context handle this
  94         }
  95         // else: ignore -> let child context handle this
  96     }
  97
  98     // b) delegate to factory
  99     return GetImport().GetEventImport().CreateContext(
 100         GetImport(), xAttrList, this, sEventName, sLanguage);
 101 }
 102
 103 void XMLEventsImportContext::SetEvents(
 104     const Reference<XEventsSupplier> & xEventsSupplier)
 105 {
 106     if (xEventsSupplier.is())
 107     {
 108         SetEvents(xEventsSupplier->getEvents());
 109     }
 110 }
 111
 112 void XMLEventsImportContext::SetEvents(
 113     const Reference<XNameReplace> & xNameRepl)
 114 {
 115     if (xNameRepl.is())
 116     {
 117         m_xEvents = xNameRepl;
 118
 119         // now iterate over vector and a) insert b) delete all elements
 120         for(const auto& rEvent : m_aCollectEvents)
 121         {
 122             AddEventValues(rEvent.first, rEvent.second);
 123         }
 124         m_aCollectEvents.clear();
 125     }
 126 }
 127
 128 void XMLEventsImportContext::GetEventSequence(
 129     const OUString& rName,
 130     Sequence<PropertyValue> & rSequence )
 131 {
 132     // search through the vector
 133     // (This shouldn't take a lot of time, since this method should only get
 134     //  called if only one (or few) events are being expected)
 135
 136     auto aIter = std::find_if(m_aCollectEvents.begin(), m_aCollectEvents.end(),
 137         [&rName](EventNameValuesPair& rEvent) { return rEvent.first == rName; });
 138
 139     // if we're not at the end, set the sequence
 140     if (aIter != m_aCollectEvents.end())
 141     {
 142         rSequence = aIter->second;
 143     }
 144 }
 145
 146 void XMLEventsImportContext::AddEventValues(
 147     const OUString& rEventName,
 148     const Sequence<PropertyValue> & rValues )
 149 {
 150     // if we already have the events, set them; else just collect
 151     if (m_xEvents.is())
 152     {
 153         // set event (if name is known)
 154         if (m_xEvents->hasByName(rEventName))
 155         {
 156             try
 157             {
 158                 m_xEvents->replaceByName(rEventName, Any(rValues));
 159             } catch ( const IllegalArgumentException & rException )
 160             {
 161                 Sequence<OUString> aMsgParams { rEventName };
 162
 163                 GetImport().SetError(XMLERROR_FLAG_ERROR |
 164                                      XMLERROR_ILLEGAL_EVENT,
 165                                      aMsgParams, rException.Message, nullptr);
 166             }
 167         }
 168     }
 169     else
 170     {
 171         EventNameValuesPair aPair(rEventName, rValues);
 172         m_aCollectEvents.push_back(aPair);
 173     }
 174 }
 175
 176 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */