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 <comphelper/attributelist.hxx>
  26 #include <xmloff/xmlimp.hxx>
  27 #include <xmloff/namespacemap.hxx>
  28 #include <xmloff/xmlnamespace.hxx>
  29 #include <xmloff/xmltoken.hxx>
  30 #include <xmloff/xmlerror.hxx>
  31
  32 using namespace ::com::sun::star::uno;
  33 using namespace ::xmloff::token;
  34
  35 using ::com::sun::star::beans::PropertyValue;
  36 using ::com::sun::star::container::XNameReplace;
  37 using ::com::sun::star::document::XEventsSupplier;
  38 using ::com::sun::star::lang::IllegalArgumentException;
  39
  40
  41 XMLEventsImportContext::XMLEventsImportContext(SvXMLImport& rImport) :
  42     SvXMLImportContext(rImport)
  43 {
  44 }
  45
  46
  47 XMLEventsImportContext::XMLEventsImportContext(
  48     SvXMLImport& rImport,
  49     const Reference<XEventsSupplier> & xEventsSupplier) :
  50         SvXMLImportContext(rImport),
  51         m_xEvents(xEventsSupplier->getEvents())
  52 {
  53 }
  54
  55
  56 XMLEventsImportContext::XMLEventsImportContext(
  57     SvXMLImport& rImport,
  58     const Reference<XNameReplace> & xNameReplace) :
  59         SvXMLImportContext(rImport),
  60         m_xEvents(xNameReplace)
  61 {
  62 }
  63
  64 XMLEventsImportContext::~XMLEventsImportContext()
  65 {
  66 //  // if, for whatever reason, the object gets destroyed prematurely,
  67 //  // we need to delete the collected events
  68 }
  69
  70
  71 css::uno::Reference< css::xml::sax::XFastContextHandler > XMLEventsImportContext::createFastChildContext(
  72     sal_Int32 /*nElement*/,
  73     const css::uno::Reference< css::xml::sax::XFastAttributeList >& xAttrList )
  74 {
  75     // a) search for script:language and script:event-name attribute
  76     // b) delegate to factory. The factory will:
  77     //    1) translate XML event name into API event name
  78     //    2) get proper event context factory from import
  79     //    3) instantiate context
  80
  81     // a) search for script:language and script:event-name attribute
  82     OUString sLanguage;
  83     OUString sEventName;
  84     for (auto &aIter : sax_fastparser::castToFastAttributeList( xAttrList ))
  85     {
  86         OUString sValue = aIter.toString();
  87
  88         if (aIter.getToken() == XML_ELEMENT(SCRIPT, XML_EVENT_NAME))
  89         {
  90             sEventName = sValue;
  91         }
  92         else if (aIter.getToken() == XML_ELEMENT(SCRIPT, XML_LANGUAGE))
  93         {
  94             sLanguage = sValue;
  95             // else: ignore -> let child context handle this
  96         }
  97         // else: ignore -> let child context handle this
  98     }
  99
 100     // b) delegate to factory
 101     return GetImport().GetEventImport().CreateContext(
 102         GetImport(), xAttrList, this, sEventName, sLanguage);
 103 }
 104
 105 void XMLEventsImportContext::SetEvents(
 106     const Reference<XEventsSupplier> & xEventsSupplier)
 107 {
 108     if (xEventsSupplier.is())
 109     {
 110         SetEvents(xEventsSupplier->getEvents());
 111     }
 112 }
 113
 114 void XMLEventsImportContext::SetEvents(
 115     const Reference<XNameReplace> & xNameRepl)
 116 {
 117     if (xNameRepl.is())
 118     {
 119         m_xEvents = xNameRepl;
 120
 121         // now iterate over vector and a) insert b) delete all elements
 122         for(const auto& rEvent : m_aCollectEvents)
 123         {
 124             AddEventValues(rEvent.first, rEvent.second);
 125         }
 126         m_aCollectEvents.clear();
 127     }
 128 }
 129
 130 void XMLEventsImportContext::GetEventSequence(
 131     const OUString& rName,
 132     Sequence<PropertyValue> & rSequence )
 133 {
 134     // search through the vector
 135     // (This shouldn't take a lot of time, since this method should only get
 136     //  called if only one (or few) events are being expected)
 137
 138     auto aIter = std::find_if(m_aCollectEvents.begin(), m_aCollectEvents.end(),
 139         [&rName](EventNameValuesPair& rEvent) { return rEvent.first == rName; });
 140
 141     // if we're not at the end, set the sequence
 142     if (aIter != m_aCollectEvents.end())
 143     {
 144         rSequence = aIter->second;
 145     }
 146 }
 147
 148 void XMLEventsImportContext::AddEventValues(
 149     const OUString& rEventName,
 150     const Sequence<PropertyValue> & rValues )
 151 {
 152     // if we already have the events, set them; else just collect
 153     if (m_xEvents.is())
 154     {
 155         // set event (if name is known)
 156         if (m_xEvents->hasByName(rEventName))
 157         {
 158             try
 159             {
 160                 m_xEvents->replaceByName(rEventName, Any(rValues));
 161             } catch ( const IllegalArgumentException & rException )
 162             {
 163                 Sequence<OUString> aMsgParams { rEventName };
 164
 165                 GetImport().SetError(XMLERROR_FLAG_ERROR |
 166                                      XMLERROR_ILLEGAL_EVENT,
 167                                      aMsgParams, rException.Message, nullptr);
 168             }
 169         }
 170     }
 171     else
 172     {
 173         EventNameValuesPair aPair(rEventName, rValues);
 174         m_aCollectEvents.push_back(aPair);
 175     }
 176 }
 177
 178 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */