framework/inc/xml/imagesdocumenthandler.hxx

   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 #pragma once
  21
  22 #include <com/sun/star/xml/sax/XDocumentHandler.hpp>
  23
  24 #include <xml/imagesconfiguration.hxx>
  25 #include <rtl/ref.hxx>
  26 #include <rtl/ustring.hxx>
  27 #include <comphelper/attributelist.hxx>
  28 #include <cppuhelper/implbase.hxx>
  29
  30 #include <unordered_map>
  31
  32 namespace framework{
  33
  34 // Hash code function for using in all hash maps of follow implementation.
  35
  36 class OReadImagesDocumentHandler final : public ::cppu::WeakImplHelper< css::xml::sax::XDocumentHandler >
  37 {
  38     public:
  39         enum Image_XML_Entry
  40         {
  41             IMG_ELEMENT_IMAGECONTAINER,
  42             IMG_ELEMENT_IMAGES,
  43             IMG_ELEMENT_ENTRY,
  44             IMG_ELEMENT_EXTERNALIMAGES,
  45             IMG_ELEMENT_EXTERNALENTRY,
  46             IMG_ATTRIBUTE_HREF,
  47             IMG_ATTRIBUTE_MASKCOLOR,
  48             IMG_ATTRIBUTE_COMMAND,
  49             IMG_ATTRIBUTE_BITMAPINDEX,
  50             IMG_ATTRIBUTE_MASKURL,
  51             IMG_ATTRIBUTE_MASKMODE,
  52             IMG_ATTRIBUTE_HIGHCONTRASTURL,
  53             IMG_ATTRIBUTE_HIGHCONTRASTMASKURL,
  54             IMG_XML_ENTRY_COUNT
  55         };
  56
  57         enum Image_XML_Namespace
  58         {
  59             IMG_NS_IMAGE,
  60             IMG_NS_XLINK
  61         };
  62
  63         OReadImagesDocumentHandler( ImageItemDescriptorList& aItems );
  64         virtual ~OReadImagesDocumentHandler() override;
  65
  66         // XDocumentHandler
  67         virtual void SAL_CALL startDocument() override;
  68
  69         virtual void SAL_CALL endDocument() override;
  70
  71         virtual void SAL_CALL startElement(
  72             const OUString& aName,
  73             const css::uno::Reference< css::xml::sax::XAttributeList > &xAttribs) override;
  74
  75         virtual void SAL_CALL endElement(const OUString& aName) override;
  76
  77         virtual void SAL_CALL characters(const OUString& aChars) override;
  78
  79         virtual void SAL_CALL ignorableWhitespace(const OUString& aWhitespaces) override;
  80
  81         virtual void SAL_CALL processingInstruction(const OUString& aTarget,
  82                                                     const OUString& aData) override;
  83
  84         virtual void SAL_CALL setDocumentLocator(
  85             const css::uno::Reference< css::xml::sax::XLocator > &xLocator) override;
  86
  87     private:
  88         OUString getErrorLineString();
  89
  90         class ImageHashMap : public std::unordered_map< OUString, Image_XML_Entry >
  91         {
  92         };
  93
  94         bool                                                m_bImageContainerStartFound;
  95         bool                                                m_bImageContainerEndFound;
  96         bool                                                m_bImagesStartFound;
  97         ImageHashMap                                        m_aImageMap;
  98         ImageItemDescriptorList&                            m_rImageList;
  99         css::uno::Reference< css::xml::sax::XLocator >      m_xLocator;
 100 };
 101
 102 class OWriteImagesDocumentHandler final
 103 {
 104     public:
 105         OWriteImagesDocumentHandler(
 106             const ImageItemDescriptorList& aItems,
 107             css::uno::Reference< css::xml::sax::XDocumentHandler > const &
 108                 rWriteDocumentHandler);
 109         ~OWriteImagesDocumentHandler();
 110
 111         /// @throws css::xml::sax::SAXException
 112         /// @throws css::uno::RuntimeException
 113         void WriteImagesDocument();
 114
 115     private:
 116         /// @throws css::xml::sax::SAXException
 117         /// @throws css::uno::RuntimeException
 118         void WriteImageList( const ImageItemDescriptorList* );
 119
 120         /// @throws css::xml::sax::SAXException
 121         /// @throws css::uno::RuntimeException
 122         void WriteImage( const ImageItemDescriptor* );
 123
 124         const ImageItemDescriptorList&                            m_rImageItemList;
 125         css::uno::Reference< css::xml::sax::XDocumentHandler >    m_xWriteDocumentHandler;
 126         OUString                                                  m_aXMLImageNS;
 127         OUString                                                  m_aAttributeXlinkType;
 128         OUString                                                  m_aAttributeValueSimple;
 129 };
 130
 131 } // namespace framework
 132
 133 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */