forked from amazingfate/loongoffice
ff25a4a6f4
Change-Id: I2a74a7543b5edd853396efa31a3e2568e6607778 Reviewed-on: https://gerrit.libreoffice.org/c/core/+/91848 Tested-by: Jenkins Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
387 lines
13 KiB
C++
387 lines
13 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include <xml/imagesdocumenthandler.hxx>
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#include <com/sun/star/xml/sax/XExtendedDocumentHandler.hpp>
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#include <com/sun/star/xml/sax/SAXException.hpp>
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#include <vcl/svapp.hxx>
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#include <rtl/ustrbuf.hxx>
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#include <comphelper/attributelist.hxx>
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using namespace ::com::sun::star::uno;
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using namespace ::com::sun::star::xml::sax;
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#define ELEMENT_IMAGECONTAINER "imagescontainer"
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#define ELEMENT_IMAGES "images"
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#define ELEMENT_ENTRY "entry"
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#define ELEMENT_EXTERNALIMAGES "externalimages"
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#define ELEMENT_EXTERNALENTRY "externalentry"
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#define ELEMENT_NS_IMAGESCONTAINER "image:imagescontainer"
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#define ELEMENT_NS_IMAGES "image:images"
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#define ELEMENT_NS_ENTRY "image:entry"
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#define ATTRIBUTE_HREF "href"
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#define ATTRIBUTE_MASKCOLOR "maskcolor"
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#define ATTRIBUTE_COMMAND "command"
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#define ATTRIBUTE_BITMAPINDEX "bitmap-index"
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#define ATTRIBUTE_MASKURL "maskurl"
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#define ATTRIBUTE_MASKMODE "maskmode"
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#define ATTRIBUTE_HIGHCONTRASTURL "highcontrasturl"
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#define ATTRIBUTE_HIGHCONTRASTMASKURL "highcontrastmaskurl"
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#define ATTRIBUTE_TYPE_CDATA "CDATA"
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#define ATTRIBUTE_XMLNS_IMAGE "xmlns:image"
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#define ATTRIBUTE_XMLNS_XLINK "xmlns:xlink"
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#define ATTRIBUTE_XLINK_TYPE "xlink:type"
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#define ATTRIBUTE_XLINK_TYPE_VALUE "simple"
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#define XMLNS_IMAGE "http://openoffice.org/2001/image"
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#define XMLNS_XLINK "http://www.w3.org/1999/xlink"
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#define XMLNS_IMAGE_PREFIX "image:"
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#define XMLNS_FILTER_SEPARATOR "^"
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#define IMAGES_DOCTYPE "<!DOCTYPE image:imagecontainer PUBLIC \"-//OpenOffice.org//DTD OfficeDocument 1.0//EN\" \"image.dtd\">"
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namespace framework
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{
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namespace {
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struct ImageXMLEntryProperty
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{
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OReadImagesDocumentHandler::Image_XML_Namespace nNamespace;
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char aEntryName[20];
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};
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}
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ImageXMLEntryProperty const ImagesEntries[OReadImagesDocumentHandler::IMG_XML_ENTRY_COUNT] =
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{
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{ OReadImagesDocumentHandler::IMG_NS_IMAGE, ELEMENT_IMAGECONTAINER },
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{ OReadImagesDocumentHandler::IMG_NS_IMAGE, ELEMENT_IMAGES },
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{ OReadImagesDocumentHandler::IMG_NS_IMAGE, ELEMENT_ENTRY },
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{ OReadImagesDocumentHandler::IMG_NS_IMAGE, ELEMENT_EXTERNALIMAGES },
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{ OReadImagesDocumentHandler::IMG_NS_IMAGE, ELEMENT_EXTERNALENTRY },
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{ OReadImagesDocumentHandler::IMG_NS_XLINK, ATTRIBUTE_HREF },
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{ OReadImagesDocumentHandler::IMG_NS_IMAGE, ATTRIBUTE_MASKCOLOR },
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{ OReadImagesDocumentHandler::IMG_NS_IMAGE, ATTRIBUTE_COMMAND },
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{ OReadImagesDocumentHandler::IMG_NS_IMAGE, ATTRIBUTE_BITMAPINDEX },
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{ OReadImagesDocumentHandler::IMG_NS_IMAGE, ATTRIBUTE_MASKURL },
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{ OReadImagesDocumentHandler::IMG_NS_IMAGE, ATTRIBUTE_MASKMODE },
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{ OReadImagesDocumentHandler::IMG_NS_IMAGE, ATTRIBUTE_HIGHCONTRASTURL },
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{ OReadImagesDocumentHandler::IMG_NS_IMAGE, ATTRIBUTE_HIGHCONTRASTMASKURL }
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};
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OReadImagesDocumentHandler::OReadImagesDocumentHandler( ImageItemDescriptorList& rItems ) :
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m_rImageList( rItems )
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{
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// create hash map to speed up lookup
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for ( int i = 0; i < int(IMG_XML_ENTRY_COUNT); i++ )
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{
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OUStringBuffer temp( 20 );
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if ( ImagesEntries[i].nNamespace == IMG_NS_IMAGE )
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temp.append( XMLNS_IMAGE );
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else
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temp.append( XMLNS_XLINK );
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temp.append( XMLNS_FILTER_SEPARATOR );
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temp.appendAscii( ImagesEntries[i].aEntryName );
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m_aImageMap.emplace( temp.makeStringAndClear(), static_cast<Image_XML_Entry>(i) );
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}
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// reset states
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m_bImageContainerStartFound = false;
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m_bImageContainerEndFound = false;
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m_bImagesStartFound = false;
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}
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OReadImagesDocumentHandler::~OReadImagesDocumentHandler()
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{
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}
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// XDocumentHandler
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void SAL_CALL OReadImagesDocumentHandler::startDocument()
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{
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}
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void SAL_CALL OReadImagesDocumentHandler::endDocument()
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{
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SolarMutexGuard g;
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if (m_bImageContainerStartFound != m_bImageContainerEndFound)
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{
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OUString aErrorMessage = getErrorLineString() + "No matching start or end element 'image:imagecontainer' found!";
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throw SAXException( aErrorMessage, Reference< XInterface >(), Any() );
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}
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}
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void SAL_CALL OReadImagesDocumentHandler::startElement(
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const OUString& aName, const Reference< XAttributeList > &xAttribs )
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{
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SolarMutexGuard g;
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ImageHashMap::const_iterator pImageEntry = m_aImageMap.find( aName );
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if ( pImageEntry == m_aImageMap.end() )
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return;
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switch ( pImageEntry->second )
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{
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case IMG_ELEMENT_IMAGECONTAINER:
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{
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// image:imagecontainer element (container element for all further image elements)
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if ( m_bImageContainerStartFound )
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{
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OUString aErrorMessage = getErrorLineString() + "Element 'image:imagecontainer' cannot be embedded into 'image:imagecontainer'!";
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throw SAXException( aErrorMessage, Reference< XInterface >(), Any() );
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}
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m_bImageContainerStartFound = true;
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}
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break;
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case IMG_ELEMENT_IMAGES:
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{
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if ( !m_bImageContainerStartFound )
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{
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OUString aErrorMessage = getErrorLineString() + "Element 'image:images' must be embedded into element 'image:imagecontainer'!";
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throw SAXException( aErrorMessage, Reference< XInterface >(), Any() );
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}
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if ( m_bImagesStartFound )
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{
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OUString aErrorMessage = getErrorLineString() + "Element 'image:images' cannot be embedded into 'image:images'!";
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throw SAXException( aErrorMessage, Reference< XInterface >(), Any() );
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}
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m_bImagesStartFound = true;
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}
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break;
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case IMG_ELEMENT_ENTRY:
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{
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// Check that image:entry is embedded into image:images!
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if ( !m_bImagesStartFound )
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{
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OUString aErrorMessage = getErrorLineString() + "Element 'image:entry' must be embedded into element 'image:images'!";
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throw SAXException( aErrorMessage, Reference< XInterface >(), Any() );
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}
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// Create new image item descriptor
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ImageItemDescriptor aItem;
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// Read attributes for this image definition
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for ( sal_Int16 n = 0; n < xAttribs->getLength(); n++ )
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{
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pImageEntry = m_aImageMap.find( xAttribs->getNameByIndex( n ) );
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if ( pImageEntry != m_aImageMap.end() )
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{
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switch ( pImageEntry->second )
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{
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case IMG_ATTRIBUTE_COMMAND:
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{
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aItem.aCommandURL = xAttribs->getValueByIndex( n );
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}
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break;
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default:
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break;
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}
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}
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}
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// Check required attribute "command"
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if ( aItem.aCommandURL.isEmpty() )
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{
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OUString aErrorMessage = getErrorLineString() + "Required attribute 'image:command' must have a value!";
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throw SAXException( aErrorMessage, Reference< XInterface >(), Any() );
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}
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m_rImageList.push_back( aItem );
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}
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break;
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default:
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break;
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}
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}
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void SAL_CALL OReadImagesDocumentHandler::endElement(const OUString& aName)
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{
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SolarMutexGuard g;
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ImageHashMap::const_iterator pImageEntry = m_aImageMap.find( aName );
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if ( pImageEntry == m_aImageMap.end() )
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return;
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switch ( pImageEntry->second )
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{
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case IMG_ELEMENT_IMAGECONTAINER:
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{
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m_bImageContainerEndFound = true;
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}
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break;
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case IMG_ELEMENT_IMAGES:
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{
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m_bImagesStartFound = false;
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}
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break;
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default: break;
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}
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}
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void SAL_CALL OReadImagesDocumentHandler::characters(const OUString&)
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{
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}
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void SAL_CALL OReadImagesDocumentHandler::ignorableWhitespace(const OUString&)
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{
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}
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void SAL_CALL OReadImagesDocumentHandler::processingInstruction(
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const OUString& /*aTarget*/, const OUString& /*aData*/ )
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{
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}
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void SAL_CALL OReadImagesDocumentHandler::setDocumentLocator(
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const Reference< XLocator > &xLocator)
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{
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SolarMutexGuard g;
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m_xLocator = xLocator;
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}
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OUString OReadImagesDocumentHandler::getErrorLineString()
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{
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SolarMutexGuard g;
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if ( m_xLocator.is() )
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{
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OUStringBuffer buffer("Line: ");
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buffer.append(m_xLocator->getLineNumber());
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buffer.append(" - ");
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return buffer.makeStringAndClear();
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}
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else
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return OUString();
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}
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// OWriteImagesDocumentHandler
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OWriteImagesDocumentHandler::OWriteImagesDocumentHandler(
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const ImageItemDescriptorList& rItems,
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Reference< XDocumentHandler > const & rWriteDocumentHandler ) :
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m_rImageItemList( rItems ),
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m_xWriteDocumentHandler( rWriteDocumentHandler )
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{
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::comphelper::AttributeList* pList = new ::comphelper::AttributeList;
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m_xEmptyList.set( static_cast<XAttributeList *>(pList), UNO_QUERY );
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m_aAttributeType = ATTRIBUTE_TYPE_CDATA;
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m_aXMLImageNS = XMLNS_IMAGE_PREFIX;
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m_aAttributeXlinkType = ATTRIBUTE_XLINK_TYPE;
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m_aAttributeValueSimple = ATTRIBUTE_XLINK_TYPE_VALUE;
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}
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OWriteImagesDocumentHandler::~OWriteImagesDocumentHandler()
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{
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}
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void OWriteImagesDocumentHandler::WriteImagesDocument()
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{
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SolarMutexGuard g;
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m_xWriteDocumentHandler->startDocument();
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// write DOCTYPE line!
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Reference< XExtendedDocumentHandler > xExtendedDocHandler( m_xWriteDocumentHandler, UNO_QUERY );
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if ( xExtendedDocHandler.is() )
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{
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xExtendedDocHandler->unknown( IMAGES_DOCTYPE );
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m_xWriteDocumentHandler->ignorableWhitespace( OUString() );
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}
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rtl::Reference<::comphelper::AttributeList> pList = new ::comphelper::AttributeList;
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pList->AddAttribute( ATTRIBUTE_XMLNS_IMAGE,
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m_aAttributeType,
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XMLNS_IMAGE );
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pList->AddAttribute( ATTRIBUTE_XMLNS_XLINK,
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m_aAttributeType,
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XMLNS_XLINK );
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m_xWriteDocumentHandler->startElement( ELEMENT_NS_IMAGESCONTAINER, pList.get() );
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m_xWriteDocumentHandler->ignorableWhitespace( OUString() );
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WriteImageList( &m_rImageItemList );
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m_xWriteDocumentHandler->ignorableWhitespace( OUString() );
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m_xWriteDocumentHandler->endElement( ELEMENT_NS_IMAGESCONTAINER );
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m_xWriteDocumentHandler->ignorableWhitespace( OUString() );
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m_xWriteDocumentHandler->endDocument();
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}
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// protected member functions
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void OWriteImagesDocumentHandler::WriteImageList( const ImageItemDescriptorList* pImageList )
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{
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::comphelper::AttributeList* pList = new ::comphelper::AttributeList;
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Reference< XAttributeList > xList( static_cast<XAttributeList *>(pList) , UNO_QUERY );
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// save required attributes
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pList->AddAttribute( m_aAttributeXlinkType,
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m_aAttributeType,
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m_aAttributeValueSimple );
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m_xWriteDocumentHandler->startElement( ELEMENT_NS_IMAGES, xList );
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m_xWriteDocumentHandler->ignorableWhitespace( OUString() );
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for (const ImageItemDescriptor & i : *pImageList)
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WriteImage( &i );
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m_xWriteDocumentHandler->endElement( ELEMENT_NS_IMAGES );
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m_xWriteDocumentHandler->ignorableWhitespace( OUString() );
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}
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void OWriteImagesDocumentHandler::WriteImage( const ImageItemDescriptor* pImage )
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{
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::comphelper::AttributeList* pList = new ::comphelper::AttributeList;
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Reference< XAttributeList > xList( static_cast<XAttributeList *>(pList) , UNO_QUERY );
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pList->AddAttribute( m_aXMLImageNS + ATTRIBUTE_COMMAND,
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m_aAttributeType,
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pImage->aCommandURL );
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m_xWriteDocumentHandler->startElement( ELEMENT_NS_ENTRY, xList );
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m_xWriteDocumentHandler->ignorableWhitespace( OUString() );
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m_xWriteDocumentHandler->endElement( ELEMENT_NS_ENTRY );
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m_xWriteDocumentHandler->ignorableWhitespace( OUString() );
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}
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} // namespace framework
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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