/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#include <memory>
#include <stdio.h>
#include <xml/imagesdocumenthandler.hxx>
#include <com/sun/star/xml/sax/XExtendedDocumentHandler.hpp>
#include <com/sun/star/xml/sax/SAXException.hpp>
#include <vcl/svapp.hxx>
#include <vcl/toolbox.hxx>
#include <rtl/ustrbuf.hxx>
#include <comphelper/attributelist.hxx>
using namespace ::com::sun::star::uno;
using namespace ::com::sun::star::xml::sax;
#define ELEMENT_IMAGECONTAINER "imagescontainer"
#define ELEMENT_IMAGES "images"
#define ELEMENT_ENTRY "entry"
#define ELEMENT_EXTERNALIMAGES "externalimages"
#define ELEMENT_EXTERNALENTRY "externalentry"
#define ELEMENT_NS_IMAGESCONTAINER "image:imagescontainer"
#define ELEMENT_NS_IMAGES "image:images"
#define ELEMENT_NS_ENTRY "image:entry"
#define ELEMENT_NS_EXTERNALIMAGES "image:externalimages"
#define ELEMENT_NS_EXTERNALENTRY "image:externalentry"
#define ATTRIBUTE_HREF "href"
#define ATTRIBUTE_MASKCOLOR "maskcolor"
#define ATTRIBUTE_COMMAND "command"
#define ATTRIBUTE_BITMAPINDEX "bitmap-index"
#define ATTRIBUTE_MASKURL "maskurl"
#define ATTRIBUTE_MASKMODE "maskmode"
#define ATTRIBUTE_HIGHCONTRASTURL "highcontrasturl"
#define ATTRIBUTE_HIGHCONTRASTMASKURL "highcontrastmaskurl"
#define ATTRIBUTE_TYPE_CDATA "CDATA"
#define ATTRIBUTE_MASKMODE_BITMAP "maskbitmap"
#define ATTRIBUTE_MASKMODE_COLOR "maskcolor"
#define ATTRIBUTE_XMLNS_IMAGE "xmlns:image"
#define ATTRIBUTE_XMLNS_XLINK "xmlns:xlink"
#define ATTRIBUTE_XLINK_TYPE "xlink:type"
#define ATTRIBUTE_XLINK_TYPE_VALUE "simple"
#define XMLNS_IMAGE "http://openoffice.org/2001/image"
#define XMLNS_XLINK "http://www.w3.org/1999/xlink"
#define XMLNS_IMAGE_PREFIX "image:"
#define XMLNS_XLINK_PREFIX "xlink:"
#define XMLNS_FILTER_SEPARATOR "^"
#define IMAGES_DOCTYPE "<!DOCTYPE image:imagecontainer PUBLIC \"-//OpenOffice.org//DTD OfficeDocument 1.0//EN\" \"image.dtd\">"
namespace framework
{
struct ImageXMLEntryProperty
{
OReadImagesDocumentHandler::Image_XML_Namespace nNamespace;
char aEntryName[20];
};
ImageXMLEntryProperty const ImagesEntries[OReadImagesDocumentHandler::IMG_XML_ENTRY_COUNT] =
{
{ OReadImagesDocumentHandler::IMG_NS_IMAGE, ELEMENT_IMAGECONTAINER },
{ OReadImagesDocumentHandler::IMG_NS_IMAGE, ELEMENT_IMAGES },
{ OReadImagesDocumentHandler::IMG_NS_IMAGE, ELEMENT_ENTRY },
{ OReadImagesDocumentHandler::IMG_NS_IMAGE, ELEMENT_EXTERNALIMAGES },
{ OReadImagesDocumentHandler::IMG_NS_IMAGE, ELEMENT_EXTERNALENTRY },
{ OReadImagesDocumentHandler::IMG_NS_XLINK, ATTRIBUTE_HREF },
{ OReadImagesDocumentHandler::IMG_NS_IMAGE, ATTRIBUTE_MASKCOLOR },
{ OReadImagesDocumentHandler::IMG_NS_IMAGE, ATTRIBUTE_COMMAND },
{ OReadImagesDocumentHandler::IMG_NS_IMAGE, ATTRIBUTE_BITMAPINDEX },
{ OReadImagesDocumentHandler::IMG_NS_IMAGE, ATTRIBUTE_MASKURL },
{ OReadImagesDocumentHandler::IMG_NS_IMAGE, ATTRIBUTE_MASKMODE },
{ OReadImagesDocumentHandler::IMG_NS_IMAGE, ATTRIBUTE_HIGHCONTRASTURL },
{ OReadImagesDocumentHandler::IMG_NS_IMAGE, ATTRIBUTE_HIGHCONTRASTMASKURL }
};
OReadImagesDocumentHandler::OReadImagesDocumentHandler( ImageListsDescriptor& aItems ) :
m_aImageList( aItems ),
m_pImages( nullptr ),
m_pExternalImages( nullptr )
{
m_aImageList.pImageList = nullptr;
m_aImageList.pExternalImageList = nullptr;
m_nHashMaskModeBitmap = OUString( ATTRIBUTE_MASKMODE_BITMAP ).hashCode();
m_nHashMaskModeColor = OUString( ATTRIBUTE_MASKMODE_COLOR ).hashCode();
// create hash map to speed up lookup
for ( int i = 0; i < int(IMG_XML_ENTRY_COUNT); i++ )
{
OUStringBuffer temp( 20 );
if ( ImagesEntries[i].nNamespace == IMG_NS_IMAGE )
temp.append( XMLNS_IMAGE );
else
temp.append( XMLNS_XLINK );
temp.append( XMLNS_FILTER_SEPARATOR );
temp.appendAscii( ImagesEntries[i].aEntryName );
m_aImageMap.emplace( temp.makeStringAndClear(), static_cast<Image_XML_Entry>(i) );
}
// reset states
m_bImageContainerStartFound = false;
m_bImageContainerEndFound = false;
m_bImagesStartFound = false;
m_bExternalImagesStartFound = false;
m_bExternalImageStartFound = false;
}
OReadImagesDocumentHandler::~OReadImagesDocumentHandler()
{
}
// XDocumentHandler
void SAL_CALL OReadImagesDocumentHandler::startDocument()
{
}
void SAL_CALL OReadImagesDocumentHandler::endDocument()
{
SolarMutexGuard g;
if (( m_bImageContainerStartFound && !m_bImageContainerEndFound ) ||
( !m_bImageContainerStartFound && m_bImageContainerEndFound ) )
{
OUString aErrorMessage = getErrorLineString();
aErrorMessage += "No matching start or end element 'image:imagecontainer' found!";
throw SAXException( aErrorMessage, Reference< XInterface >(), Any() );
}
}
void SAL_CALL OReadImagesDocumentHandler::startElement(
const OUString& aName, const Reference< XAttributeList > &xAttribs )
{
SolarMutexGuard g;
ImageHashMap::const_iterator pImageEntry = m_aImageMap.find( aName );
if ( pImageEntry != m_aImageMap.end() )
{
switch ( pImageEntry->second )
{
case IMG_ELEMENT_IMAGECONTAINER:
{
// image:imagecontainer element (container element for all further image elements)
if ( m_bImageContainerStartFound )
{
OUString aErrorMessage = getErrorLineString();
aErrorMessage += "Element 'image:imagecontainer' cannot be embedded into 'image:imagecontainer'!";
throw SAXException( aErrorMessage, Reference< XInterface >(), Any() );
}
m_bImageContainerStartFound = true;
}
break;
case IMG_ELEMENT_IMAGES:
{
if ( !m_bImageContainerStartFound )
{
OUString aErrorMessage = getErrorLineString();
aErrorMessage += "Element 'image:images' must be embedded into element 'image:imagecontainer'!";
throw SAXException( aErrorMessage, Reference< XInterface >(), Any() );
}
if ( m_bImagesStartFound )
{
OUString aErrorMessage = getErrorLineString();
aErrorMessage += "Element 'image:images' cannot be embedded into 'image:images'!";
throw SAXException( aErrorMessage, Reference< XInterface >(), Any() );
}
if ( !m_aImageList.pImageList )
m_aImageList.pImageList.reset( new ImageListDescriptor );
m_bImagesStartFound = true;
m_pImages = new ImageListItemDescriptor;
for ( sal_Int16 n = 0; n < xAttribs->getLength(); n++ )
{
pImageEntry = m_aImageMap.find( xAttribs->getNameByIndex( n ) );
if ( pImageEntry != m_aImageMap.end() )
{
switch ( pImageEntry->second )
{
case IMG_ATTRIBUTE_HREF:
{
m_pImages->aURL = xAttribs->getValueByIndex( n );
}
break;
case IMG_ATTRIBUTE_MASKCOLOR:
{
OUString aColor = xAttribs->getValueByIndex( n );
if ( aColor.startsWith("#") )
{
// the color value is given as #rrggbb and used the hexadecimal system!!
sal_uInt32 nColor = aColor.copy( 1 ).toUInt32( 16 );
m_pImages->aMaskColor = Color( nColor );
}
}
break;
case IMG_ATTRIBUTE_MASKURL:
{
m_pImages->aMaskURL = xAttribs->getValueByIndex( n );
}
break;
case IMG_ATTRIBUTE_MASKMODE:
{
sal_Int32 nHashCode = xAttribs->getValueByIndex( n ).hashCode();
if ( nHashCode == m_nHashMaskModeBitmap )
m_pImages->nMaskMode = ImageMaskMode_Bitmap;
else if ( nHashCode == m_nHashMaskModeColor )
m_pImages->nMaskMode = ImageMaskMode_Color;
else
{
delete m_pImages;
m_pImages = nullptr;
OUString aErrorMessage = getErrorLineString();
aErrorMessage += "Attribute image:maskmode must be 'maskcolor' or 'maskbitmap'!";
throw SAXException( aErrorMessage, Reference< XInterface >(), Any() );
}
}
break;
case IMG_ATTRIBUTE_HIGHCONTRASTURL:
{
m_pImages->aHighContrastURL = xAttribs->getValueByIndex( n );
}
break;
case IMG_ATTRIBUTE_HIGHCONTRASTMASKURL:
{
m_pImages->aHighContrastMaskURL = xAttribs->getValueByIndex( n );
}
break;
default:
break;
}
}
} // for
if ( m_pImages->aURL.isEmpty() )
{
delete m_pImages;
m_pImages = nullptr;
OUString aErrorMessage = getErrorLineString();
aErrorMessage += "Required attribute xlink:href must have a value!";
throw SAXException( aErrorMessage, Reference< XInterface >(), Any() );
}
}
break;
case IMG_ELEMENT_ENTRY:
{
// Check that image:entry is embedded into image:images!
if ( !m_bImagesStartFound )
{
delete m_pImages;
m_pImages = nullptr;
OUString aErrorMessage = getErrorLineString();
aErrorMessage += "Element 'image:entry' must be embedded into element 'image:images'!";
throw SAXException( aErrorMessage, Reference< XInterface >(), Any() );
}
if ( !m_pImages->pImageItemList )
m_pImages->pImageItemList.reset( new ImageItemListDescriptor );
// Create new image item descriptor
std::unique_ptr<ImageItemDescriptor> pItem(new ImageItemDescriptor);
pItem->nIndex = -1;
// Read attributes for this image definition
for ( sal_Int16 n = 0; n < xAttribs->getLength(); n++ )
{
pImageEntry = m_aImageMap.find( xAttribs->getNameByIndex( n ) );
if ( pImageEntry != m_aImageMap.end() )
{
switch ( pImageEntry->second )
{
case IMG_ATTRIBUTE_COMMAND:
{
pItem->aCommandURL = xAttribs->getValueByIndex( n );
}
break;
case IMG_ATTRIBUTE_BITMAPINDEX:
{
pItem->nIndex = xAttribs->getValueByIndex( n ).toInt32();
}
break;
default:
break;
}
}
}
// Check required attribute "bitmap-index"
if ( pItem->nIndex < 0 )
{
delete m_pImages;
m_pImages = nullptr;
OUString aErrorMessage = getErrorLineString();
aErrorMessage += "Required attribute 'image:bitmap-index' must have a value >= 0!";
throw SAXException( aErrorMessage, Reference< XInterface >(), Any() );
}
// Check required attribute "command"
if ( pItem->aCommandURL.isEmpty() )
{
delete m_pImages;
m_pImages = nullptr;
OUString aErrorMessage = getErrorLineString();
aErrorMessage += "Required attribute 'image:command' must have a value!";
throw SAXException( aErrorMessage, Reference< XInterface >(), Any() );
}
m_pImages->pImageItemList->push_back( std::move(pItem) );
}
break;
case IMG_ELEMENT_EXTERNALIMAGES:
{
// Check that image:externalimages is embedded into image:imagecontainer
if ( !m_bImageContainerStartFound )
{
delete m_pImages;
m_pImages = nullptr;
OUString aErrorMessage = getErrorLineString();
aErrorMessage += "Element 'image:externalimages' must be embedded into element 'image:imagecontainer'!";
throw SAXException( aErrorMessage, Reference< XInterface >(), Any() );
}
// Check that image:externalentry is NOT embedded into image:externalentry
if ( m_bExternalImagesStartFound )
{
delete m_pImages;
m_pImages = nullptr;
OUString aErrorMessage = getErrorLineString();
aErrorMessage += "Element 'image:externalimages' cannot be embedded into 'image:externalimages'!";
throw SAXException( aErrorMessage, Reference< XInterface >(), Any() );
}
// Create unique external image container
m_bExternalImagesStartFound = true;
m_pExternalImages = new ExternalImageItemListDescriptor;
}
break;
case IMG_ELEMENT_EXTERNALENTRY:
{
if ( !m_bExternalImagesStartFound )
{
delete m_pImages;
delete m_pExternalImages;
m_pImages = nullptr;
m_pExternalImages = nullptr;
OUString aErrorMessage = getErrorLineString();
aErrorMessage += "Element 'image:externalentry' must be embedded into 'image:externalimages'!";
throw SAXException( aErrorMessage, Reference< XInterface >(), Any() );
}
if ( m_bExternalImageStartFound )
{
delete m_pImages;
delete m_pExternalImages;
m_pImages = nullptr;
m_pExternalImages = nullptr;
OUString aErrorMessage = getErrorLineString();
aErrorMessage += "Element 'image:externalentry' cannot be embedded into 'image:externalentry'!";
throw SAXException( aErrorMessage, Reference< XInterface >(), Any() );
}
m_bExternalImageStartFound = true;
std::unique_ptr<ExternalImageItemDescriptor> pItem(new ExternalImageItemDescriptor);
// Read attributes for this external image definition
for ( sal_Int16 n = 0; n < xAttribs->getLength(); n++ )
{
pImageEntry = m_aImageMap.find( xAttribs->getNameByIndex( n ) );
if ( pImageEntry != m_aImageMap.end() )
{
switch ( pImageEntry->second )
{
case IMG_ATTRIBUTE_COMMAND:
{
pItem->aCommandURL = xAttribs->getValueByIndex( n );
}
break;
case IMG_ATTRIBUTE_HREF:
{
pItem->aURL = xAttribs->getValueByIndex( n );
}
break;
default:
break;
}
}
}
// Check required attribute "command"
if ( pItem->aCommandURL.isEmpty() )
{
delete m_pImages;
delete m_pExternalImages;
m_pImages = nullptr;
m_pExternalImages = nullptr;
OUString aErrorMessage = getErrorLineString();
aErrorMessage += "Required attribute 'image:command' must have a value!";
throw SAXException( aErrorMessage, Reference< XInterface >(), Any() );
}
// Check required attribute "href"
if ( pItem->aURL.isEmpty() )
{
delete m_pImages;
delete m_pExternalImages;
m_pImages = nullptr;
m_pExternalImages = nullptr;
OUString aErrorMessage = getErrorLineString();
aErrorMessage += "Required attribute 'xlink:href' must have a value!";
throw SAXException( aErrorMessage, Reference< XInterface >(), Any() );
}
if ( m_pExternalImages )
m_pExternalImages->push_back( std::move(pItem) );
}
break;
default:
break;
}
}
}
void SAL_CALL OReadImagesDocumentHandler::endElement(const OUString& aName)
{
SolarMutexGuard g;
ImageHashMap::const_iterator pImageEntry = m_aImageMap.find( aName );
if ( pImageEntry != m_aImageMap.end() )
{
switch ( pImageEntry->second )
{
case IMG_ELEMENT_IMAGECONTAINER:
{
m_bImageContainerEndFound = true;
}
break;
case IMG_ELEMENT_IMAGES:
{
if ( m_pImages )
{
if ( m_aImageList.pImageList )
m_aImageList.pImageList->push_back( std::unique_ptr<ImageListItemDescriptor>(m_pImages) );
m_pImages = nullptr;
}
m_bImagesStartFound = false;
}
break;
case IMG_ELEMENT_EXTERNALIMAGES:
{
if ( m_pExternalImages && !m_aImageList.pExternalImageList )
{
m_aImageList.pExternalImageList.reset( m_pExternalImages );
}
m_bExternalImagesStartFound = false;
m_pExternalImages = nullptr;
}
break;
case IMG_ELEMENT_EXTERNALENTRY:
{
m_bExternalImageStartFound = false;
}
break;
default: break;
}
}
}
void SAL_CALL OReadImagesDocumentHandler::characters(const OUString&)
{
}
void SAL_CALL OReadImagesDocumentHandler::ignorableWhitespace(const OUString&)
{
}
void SAL_CALL OReadImagesDocumentHandler::processingInstruction(
const OUString& /*aTarget*/, const OUString& /*aData*/ )
{
}
void SAL_CALL OReadImagesDocumentHandler::setDocumentLocator(
const Reference< XLocator > &xLocator)
{
SolarMutexGuard g;
m_xLocator = xLocator;
}
OUString OReadImagesDocumentHandler::getErrorLineString()
{
SolarMutexGuard g;
if ( m_xLocator.is() )
{
OUStringBuffer buffer("Line: ");
buffer.append(m_xLocator->getLineNumber());
buffer.append(" - ");
return buffer.makeStringAndClear();
}
else
return OUString();
}
// OWriteImagesDocumentHandler
OWriteImagesDocumentHandler::OWriteImagesDocumentHandler(
const ImageListsDescriptor& aItems,
Reference< XDocumentHandler > const & rWriteDocumentHandler ) :
m_aImageListsItems( aItems ),
m_xWriteDocumentHandler( rWriteDocumentHandler )
{
::comphelper::AttributeList* pList = new ::comphelper::AttributeList;
m_xEmptyList.set( static_cast<XAttributeList *>(pList), UNO_QUERY );
m_aAttributeType = ATTRIBUTE_TYPE_CDATA;
m_aXMLImageNS = XMLNS_IMAGE_PREFIX;
m_aXMLXlinkNS = XMLNS_XLINK_PREFIX;
m_aAttributeXlinkType = ATTRIBUTE_XLINK_TYPE;
m_aAttributeValueSimple = ATTRIBUTE_XLINK_TYPE_VALUE;
}
OWriteImagesDocumentHandler::~OWriteImagesDocumentHandler()
{
}
void OWriteImagesDocumentHandler::WriteImagesDocument()
{
SolarMutexGuard g;
m_xWriteDocumentHandler->startDocument();
// write DOCTYPE line!
Reference< XExtendedDocumentHandler > xExtendedDocHandler( m_xWriteDocumentHandler, UNO_QUERY );
if ( xExtendedDocHandler.is() )
{
xExtendedDocHandler->unknown( IMAGES_DOCTYPE );
m_xWriteDocumentHandler->ignorableWhitespace( OUString() );
}
rtl::Reference<::comphelper::AttributeList> pList = new ::comphelper::AttributeList;
pList->AddAttribute( ATTRIBUTE_XMLNS_IMAGE,
m_aAttributeType,
XMLNS_IMAGE );
pList->AddAttribute( ATTRIBUTE_XMLNS_XLINK,
m_aAttributeType,
XMLNS_XLINK );
m_xWriteDocumentHandler->startElement( ELEMENT_NS_IMAGESCONTAINER, pList.get() );
m_xWriteDocumentHandler->ignorableWhitespace( OUString() );
if ( m_aImageListsItems.pImageList )
{
ImageListDescriptor* pImageList = m_aImageListsItems.pImageList.get();
for ( size_t i = 0; i < m_aImageListsItems.pImageList->size(); i++ )
{
const ImageListItemDescriptor* pImageItems = (*pImageList)[i].get();
WriteImageList( pImageItems );
}
}
if ( m_aImageListsItems.pExternalImageList )
{
WriteExternalImageList( m_aImageListsItems.pExternalImageList.get() );
}
m_xWriteDocumentHandler->ignorableWhitespace( OUString() );
m_xWriteDocumentHandler->endElement( ELEMENT_NS_IMAGESCONTAINER );
m_xWriteDocumentHandler->ignorableWhitespace( OUString() );
m_xWriteDocumentHandler->endDocument();
}
// protected member functions
void OWriteImagesDocumentHandler::WriteImageList( const ImageListItemDescriptor* pImageList )
{
::comphelper::AttributeList* pList = new ::comphelper::AttributeList;
Reference< XAttributeList > xList( static_cast<XAttributeList *>(pList) , UNO_QUERY );
// save required attributes
pList->AddAttribute( m_aAttributeXlinkType,
m_aAttributeType,
m_aAttributeValueSimple );
pList->AddAttribute( m_aXMLXlinkNS + ATTRIBUTE_HREF,
m_aAttributeType,
pImageList->aURL );
if ( pImageList->nMaskMode == ImageMaskMode_Bitmap )
{
pList->AddAttribute( m_aXMLImageNS + ATTRIBUTE_MASKMODE,
m_aAttributeType,
ATTRIBUTE_MASKMODE_BITMAP );
pList->AddAttribute( m_aXMLImageNS + ATTRIBUTE_MASKURL,
m_aAttributeType,
pImageList->aMaskURL );
if ( !pImageList->aHighContrastMaskURL.isEmpty() )
{
pList->AddAttribute( m_aXMLImageNS + ATTRIBUTE_HIGHCONTRASTMASKURL,
m_aAttributeType,
pImageList->aHighContrastMaskURL );
}
}
else
{
OUStringBuffer aColorStrBuffer( 8 );
sal_Int64 nValue = sal_uInt32(pImageList->aMaskColor.GetRGBColor());
aColorStrBuffer.append( "#" );
aColorStrBuffer.append( OUString::number( nValue, 16 ));
pList->AddAttribute( m_aXMLImageNS + ATTRIBUTE_MASKCOLOR,
m_aAttributeType,
aColorStrBuffer.makeStringAndClear() );
pList->AddAttribute( m_aXMLImageNS + ATTRIBUTE_MASKMODE,
m_aAttributeType,
ATTRIBUTE_MASKMODE_COLOR );
}
if ( !pImageList->aHighContrastURL.isEmpty() )
{
pList->AddAttribute( m_aXMLImageNS + ATTRIBUTE_HIGHCONTRASTURL,
m_aAttributeType,
pImageList->aHighContrastURL );
}
m_xWriteDocumentHandler->startElement( ELEMENT_NS_IMAGES, xList );
m_xWriteDocumentHandler->ignorableWhitespace( OUString() );
ImageItemListDescriptor* pImageItemList = pImageList->pImageItemList.get();
if ( pImageItemList )
{
for (std::unique_ptr<ImageItemDescriptor> & i : *pImageItemList)
WriteImage( i.get() );
}
m_xWriteDocumentHandler->endElement( ELEMENT_NS_IMAGES );
m_xWriteDocumentHandler->ignorableWhitespace( OUString() );
}
void OWriteImagesDocumentHandler::WriteImage( const ImageItemDescriptor* pImage )
{
::comphelper::AttributeList* pList = new ::comphelper::AttributeList;
Reference< XAttributeList > xList( static_cast<XAttributeList *>(pList) , UNO_QUERY );
pList->AddAttribute( m_aXMLImageNS + ATTRIBUTE_BITMAPINDEX,
m_aAttributeType,
OUString::number( pImage->nIndex ) );
pList->AddAttribute( m_aXMLImageNS + ATTRIBUTE_COMMAND,
m_aAttributeType,
pImage->aCommandURL );
m_xWriteDocumentHandler->startElement( ELEMENT_NS_ENTRY, xList );
m_xWriteDocumentHandler->ignorableWhitespace( OUString() );
m_xWriteDocumentHandler->endElement( ELEMENT_NS_ENTRY );
m_xWriteDocumentHandler->ignorableWhitespace( OUString() );
}
void OWriteImagesDocumentHandler::WriteExternalImageList( const ExternalImageItemListDescriptor* pExternalImageList )
{
m_xWriteDocumentHandler->startElement( ELEMENT_NS_EXTERNALIMAGES, m_xEmptyList );
m_xWriteDocumentHandler->ignorableWhitespace( OUString() );
for (const auto & i : *pExternalImageList)
{
const ExternalImageItemDescriptor* pItem = i.get();
WriteExternalImage( pItem );
}
m_xWriteDocumentHandler->ignorableWhitespace( OUString() );
m_xWriteDocumentHandler->endElement( ELEMENT_NS_EXTERNALIMAGES );
m_xWriteDocumentHandler->ignorableWhitespace( OUString() );
}
void OWriteImagesDocumentHandler::WriteExternalImage( const ExternalImageItemDescriptor* pExternalImage )
{
::comphelper::AttributeList* pList = new ::comphelper::AttributeList;
Reference< XAttributeList > xList( static_cast<XAttributeList *>(pList) , UNO_QUERY );
// save required attributes
pList->AddAttribute( m_aAttributeXlinkType,
m_aAttributeType,
m_aAttributeValueSimple );
if ( !pExternalImage->aURL.isEmpty() )
{
pList->AddAttribute( m_aXMLXlinkNS + ATTRIBUTE_HREF,
m_aAttributeType,
pExternalImage->aURL );
}
if ( !pExternalImage->aCommandURL.isEmpty() )
{
pList->AddAttribute( m_aXMLImageNS + ATTRIBUTE_COMMAND,
m_aAttributeType,
pExternalImage->aCommandURL );
}
m_xWriteDocumentHandler->startElement( ELEMENT_NS_EXTERNALENTRY, xList );
m_xWriteDocumentHandler->ignorableWhitespace( OUString() );
m_xWriteDocumentHandler->endElement( ELEMENT_NS_EXTERNALENTRY );
m_xWriteDocumentHandler->ignorableWhitespace( OUString() );
}
} // namespace framework
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
↑ V728 An excessive check can be simplified. The '(A && !B) || (!A && B)' expression is equivalent to the 'bool(A) != bool(B)' expression.