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office-gobmx/xmloff/source/text/XMLSectionImportContext.cxx
Noel a79e6a7cf1 use views to parse rather than allocating OUString 
Change-Id: If0a848c64ce8077d1681661873629c83307cf8b2
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/107736
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
2020-12-15 10:50:28 +01:00

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/* -*- 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 "XMLSectionImportContext.hxx"
#include "XMLSectionSourceImportContext.hxx"
#include "XMLSectionSourceDDEImportContext.hxx"
#include <comphelper/base64.hxx>
#include <xmloff/xmlictxt.hxx>
#include <xmloff/xmlimp.hxx>
#include <xmloff/txtimp.hxx>
#include <xmloff/namespacemap.hxx>
#include <xmloff/xmlnamespace.hxx>
#include <xmloff/xmltoken.hxx>
#include <xmloff/prstylei.hxx>
#include <sal/log.hxx>
#include <sax/tools/converter.hxx>
#include <com/sun/star/container/XNamed.hpp>
#include <com/sun/star/frame/XModel.hpp>
#include <com/sun/star/uno/Reference.h>
#include <com/sun/star/text/XTextContent.hpp>
#include <com/sun/star/beans/XPropertySet.hpp>
#include <com/sun/star/lang/XMultiServiceFactory.hpp>
#include <com/sun/star/text/ControlCharacter.hpp>
using ::com::sun::star::beans::XPropertySet;
using ::com::sun::star::uno::Reference;
using ::com::sun::star::xml::sax::XAttributeList;
using ::com::sun::star::xml::sax::XFastAttributeList;
using ::com::sun::star::lang::XMultiServiceFactory;
using ::com::sun::star::container::XNamed;
using namespace ::com::sun::star::uno;
using namespace ::com::sun::star::text;
using namespace ::xmloff::token;
// section import: This one is fairly tricky due to a variety of
// limits of the core or the API. The main problem is that if you
// insert a section within another section, you can't move the cursor
// between the ends of the inner and the enclosing section. To avoid
// these problems, additional markers are first inserted and later deleted.
XMLSectionImportContext::XMLSectionImportContext( SvXMLImport& rImport )
: SvXMLImportContext(rImport)
, bProtect(false)
, bCondOK(false)
, bIsVisible(true)
, bValid(false)
, bSequenceOK(false)
, bIsCurrentlyVisible(true)
, bIsCurrentlyVisibleOK(false)
, bHasContent(false)
{
}
XMLSectionImportContext::~XMLSectionImportContext()
{
}
void XMLSectionImportContext::startFastElement( sal_Int32 nElement,
const css::uno::Reference< css::xml::sax::XFastAttributeList >& xAttrList )
{
// process attributes
ProcessAttributes(xAttrList);
// process index headers:
bool bIsIndexHeader = (nElement & TOKEN_MASK) == XML_INDEX_TITLE;
if (bIsIndexHeader)
{
bValid = true;
}
rtl::Reference<XMLTextImportHelper> rHelper = GetImport().GetTextImport();
// valid?
if (!bValid)
return;
// create text section (as XPropertySet)
Reference<XMultiServiceFactory> xFactory(
GetImport().GetModel(),UNO_QUERY);
if (!xFactory.is())
return;
Reference<XInterface> xIfc =
xFactory->createInstance( bIsIndexHeader ? OUString("com.sun.star.text.IndexHeaderSection")
: OUString("com.sun.star.text.TextSection") );
if (!xIfc.is())
return;
Reference<XPropertySet> xPropSet(xIfc, UNO_QUERY);
// save PropertySet (for CreateChildContext)
xSectionPropertySet = xPropSet;
// name
Reference<XNamed> xNamed(xPropSet, UNO_QUERY);
xNamed->setName(sName);
// stylename?
if (!sStyleName.isEmpty())
{
XMLPropStyleContext* pStyle = rHelper->
FindSectionStyle(sStyleName);
if (pStyle != nullptr)
{
pStyle->FillPropertySet( xPropSet );
}
}
// IsVisible and condition (not for index headers)
if (! bIsIndexHeader)
{
xPropSet->setPropertyValue( "IsVisible", Any(bIsVisible) );
// #97450# hidden sections must be hidden on reload
// For backwards compatibility, set flag only if it is
// present
if( bIsCurrentlyVisibleOK )
{
xPropSet->setPropertyValue( "IsCurrentlyVisible", Any(bIsCurrentlyVisible));
}
if (bCondOK)
{
xPropSet->setPropertyValue( "Condition", Any(sCond) );
}
}
// password (only for regular sections)
if ( bSequenceOK &&
(nElement & TOKEN_MASK) == XML_SECTION )
{
xPropSet->setPropertyValue("ProtectionKey", Any(aSequence));
}
// protection
xPropSet->setPropertyValue( "IsProtected", Any(bProtect) );
// insert marker, <paragraph>, marker; then insert
// section over the first marker character, and delete the
// last paragraph (and marker) when closing a section.
Reference<XTextRange> xStart =
rHelper->GetCursor()->getStart();
#ifndef DBG_UTIL
OUString sMarkerString(" ");
#else
OUString sMarkerString("X");
#endif
rHelper->InsertString(sMarkerString);
rHelper->InsertControlCharacter(
ControlCharacter::APPEND_PARAGRAPH );
rHelper->InsertString(sMarkerString);
// select first marker
rHelper->GetCursor()->gotoRange(xStart, false);
rHelper->GetCursor()->goRight(1, true);
// convert section to XTextContent
Reference<XTextContent> xTextContent(xSectionPropertySet,
UNO_QUERY);
// and insert (over marker)
rHelper->GetText()->insertTextContent(
rHelper->GetCursorAsRange(), xTextContent, true );
// and delete first marker (in section)
rHelper->GetText()->insertString(
rHelper->GetCursorAsRange(), "", true);
// finally, check for redlines that should start at
// the section start node
rHelper->RedlineAdjustStartNodeCursor(); // start ???
// xml:id for RDF metadata
GetImport().SetXmlId(xIfc, sXmlId);
}
void XMLSectionImportContext::ProcessAttributes(
const Reference<XFastAttributeList> & xAttrList )
{
for( auto& aIter : sax_fastparser::castToFastAttributeList(xAttrList) )
{
switch (aIter.getToken())
{
case XML_ELEMENT(XML, XML_ID):
sXmlId = aIter.toString();
break;
case XML_ELEMENT(TEXT, XML_STYLE_NAME):
sStyleName = aIter.toString();
break;
case XML_ELEMENT(TEXT, XML_NAME):
sName = aIter.toString();
bValid = true;
break;
case XML_ELEMENT(TEXT, XML_CONDITION):
{
OUString sValue = aIter.toString();
OUString sTmp;
sal_uInt16 nPrefix = GetImport().GetNamespaceMap().
GetKeyByAttrValueQName(sValue, &sTmp);
if( XML_NAMESPACE_OOOW == nPrefix )
{
sCond = sTmp;
bCondOK = true;
}
else
sCond = sValue;
}
break;
case XML_ELEMENT(TEXT, XML_DISPLAY):
if (IsXMLToken(aIter, XML_TRUE))
{
bIsVisible = true;
}
else if ( IsXMLToken(aIter, XML_NONE) ||
IsXMLToken(aIter, XML_CONDITION) )
{
bIsVisible = false;
}
// else: ignore
break;
case XML_ELEMENT(TEXT, XML_IS_HIDDEN):
{
bool bTmp(false);
if (::sax::Converter::convertBool(bTmp, aIter.toView()))
{
bIsCurrentlyVisible = !bTmp;
bIsCurrentlyVisibleOK = true;
}
}
break;
case XML_ELEMENT(TEXT, XML_PROTECTION_KEY):
::comphelper::Base64::decode(aSequence, aIter.toString());
bSequenceOK = true;
break;
case XML_ELEMENT(TEXT, XML_PROTECTED):
// compatibility with SRC629 (or earlier) versions
case XML_ELEMENT(TEXT, XML_PROTECT):
{
bool bTmp(false);
if (::sax::Converter::convertBool(bTmp, aIter.toView()))
{
bProtect = bTmp;
}
break;
}
default:
// ignore
XMLOFF_WARN_UNKNOWN("xmloff", aIter);
break;
}
}
}
void XMLSectionImportContext::endFastElement(sal_Int32 )
{
// get rid of last paragraph
// (unless it's the only paragraph in the section)
rtl::Reference<XMLTextImportHelper> rHelper = GetImport().GetTextImport();
rHelper->GetCursor()->goRight(1, false);
if (bHasContent)
{
rHelper->GetCursor()->goLeft(1, true);
rHelper->GetText()->insertString(rHelper->GetCursorAsRange(),
"", true);
}
// and delete second marker
rHelper->GetCursor()->goRight(1, true);
rHelper->GetText()->insertString(rHelper->GetCursorAsRange(),
"", true);
// check for redlines to our endnode
rHelper->RedlineAdjustStartNodeCursor();
}
css::uno::Reference< css::xml::sax::XFastContextHandler > XMLSectionImportContext::createFastChildContext(
sal_Int32 nElement,
const css::uno::Reference< css::xml::sax::XFastAttributeList >& xAttrList )
{
// section-source (-dde) elements
if ( nElement == XML_ELEMENT(TEXT, XML_SECTION_SOURCE) )
{
return new XMLSectionSourceImportContext(GetImport(),
xSectionPropertySet);
}
else if ( nElement == XML_ELEMENT(OFFICE, XML_DDE_SOURCE) )
{
return new XMLSectionSourceDDEImportContext(GetImport(),
xSectionPropertySet);
}
else
{
// otherwise: text context
auto pContext = GetImport().GetTextImport()->CreateTextChildContext(
GetImport(), nElement, xAttrList, XMLTextType::Section );
// if that fails, default context
if (pContext)
bHasContent = true;
else
XMLOFF_WARN_UNKNOWN_ELEMENT("xmloff", nElement);
return pContext;
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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