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office-gobmx/xmloff/source/meta/xmlmetai.cxx
Noel Grandin 12008e1054 loplugin:ostr in xmloff 
Change-Id: I24f5626e57e03217e4bcf77289c785e255b9f904
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/167667
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
Tested-by: Jenkins
2024-05-15 20:37:38 +02:00

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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 <sal/config.h>
#include <string_view>
#include <com/sun/star/lang/WrappedTargetRuntimeException.hpp>
#include <com/sun/star/xml/dom/SAXDocumentBuilder.hpp>
#include <com/sun/star/xml/dom/XSAXDocumentBuilder2.hpp>
#include <com/sun/star/xml/xpath/XPathAPI.hpp>
#include <com/sun/star/beans/XPropertySet.hpp>
#include <com/sun/star/beans/XPropertySetInfo.hpp>
#include <com/sun/star/document/XDocumentProperties.hpp>
#include <comphelper/processfactory.hxx>
#include <cppuhelper/exc_hlp.hxx>
#include <o3tl/string_view.hxx>
#include <rtl/character.hxx>
#include <rtl/ustrbuf.hxx>
#include <utility>
#include <xmloff/xmlmetai.hxx>
#include <xmloff/xmlimp.hxx>
#include <xmloff/xmltoken.hxx>
#include <xmloff/xmlnamespace.hxx>
using namespace com::sun::star;
using namespace ::xmloff::token;
namespace {
/// builds a DOM tree from SAX events, by forwarding to SAXDocumentBuilder
class XMLDocumentBuilderContext : public SvXMLImportContext
{
private:
css::uno::Reference< css::xml::dom::XSAXDocumentBuilder2> mxDocBuilder;
SvXMLMetaDocumentContext *const m_pTopLevel;
public:
XMLDocumentBuilderContext(SvXMLImport& rImport, sal_Int32 nElement,
const css::uno::Reference< css::xml::sax::XFastAttributeList>& xAttrList,
css::uno::Reference<css::xml::dom::XSAXDocumentBuilder2> xDocBuilder,
SvXMLMetaDocumentContext * pTopLevel);
virtual void SAL_CALL characters( const OUString& aChars ) override;
virtual void SAL_CALL startFastElement( sal_Int32 nElement,
const css::uno::Reference< css::xml::sax::XFastAttributeList >& xAttrList ) override;
virtual void SAL_CALL endFastElement( sal_Int32 nElement ) override;
virtual void SAL_CALL startUnknownElement( const OUString& Namespace, const OUString& Name,
const css::uno::Reference< css::xml::sax::XFastAttributeList >& Attribs ) override;
virtual void SAL_CALL endUnknownElement( const OUString& Namespace, const OUString& Name ) override;
virtual css::uno::Reference< css::xml::sax::XFastContextHandler > SAL_CALL createFastChildContext(
sal_Int32 nElement, const css::uno::Reference< css::xml::sax::XFastAttributeList >& xAttrList ) override;
};
}
XMLDocumentBuilderContext::XMLDocumentBuilderContext(SvXMLImport& rImport,
sal_Int32 /*nElement*/, const uno::Reference<xml::sax::XFastAttributeList>&,
uno::Reference<xml::dom::XSAXDocumentBuilder2> xDocBuilder,
SvXMLMetaDocumentContext *const pTopLevel)
: SvXMLImportContext(rImport)
, mxDocBuilder(std::move(xDocBuilder))
, m_pTopLevel(pTopLevel)
{
}
void SAL_CALL XMLDocumentBuilderContext::startFastElement( sal_Int32 nElement,
const uno::Reference< xml::sax::XFastAttributeList >& xAttribs )
{
mxDocBuilder->startFastElement(nElement, xAttribs);
}
void SAL_CALL XMLDocumentBuilderContext::endFastElement( sal_Int32 nElement )
{
mxDocBuilder->endFastElement(nElement);
if (m_pTopLevel)
{
// call this here because in the flat ODF case the top-level
// endFastElement is called only at the very end of the document,
// which is too late to init BuildId
m_pTopLevel->FinishMetaElement();
}
}
void SAL_CALL XMLDocumentBuilderContext::startUnknownElement( const OUString& rNamespace,
const OUString& rName, const uno::Reference< xml::sax::XFastAttributeList >& xAttrList )
{
mxDocBuilder->startUnknownElement(rNamespace, rName, xAttrList);
}
void SAL_CALL XMLDocumentBuilderContext::endUnknownElement( const OUString& rNamespace, const OUString& rName )
{
mxDocBuilder->endUnknownElement(rNamespace, rName);
}
void SAL_CALL XMLDocumentBuilderContext::characters( const OUString& rChars )
{
mxDocBuilder->characters(rChars);
}
uno::Reference< xml::sax::XFastContextHandler > SAL_CALL XMLDocumentBuilderContext::createFastChildContext(
sal_Int32 nElement, const uno::Reference< xml::sax::XFastAttributeList >& xAttrList )
{
return new XMLDocumentBuilderContext(GetImport(), nElement, xAttrList, mxDocBuilder, nullptr);
}
static void
lcl_initDocumentProperties(SvXMLImport & rImport,
uno::Reference<xml::dom::XSAXDocumentBuilder2> const& xDocBuilder,
uno::Reference<document::XDocumentProperties> const& xDocProps)
{
uno::Reference< lang::XInitialization > const xInit(xDocProps,
uno::UNO_QUERY_THROW);
try {
xInit->initialize({ uno::Any(xDocBuilder->getDocument()) });
rImport.SetStatistics(xDocProps->getDocumentStatistics());
// convert all URLs from relative to absolute
xDocProps->setTemplateURL(rImport.GetAbsoluteReference(
xDocProps->getTemplateURL()));
xDocProps->setAutoloadURL(rImport.GetAbsoluteReference(
xDocProps->getAutoloadURL()));
SvXMLMetaDocumentContext::setBuildId(
xDocProps->getGenerator(), rImport.getImportInfo());
} catch (const uno::RuntimeException&) {
throw;
} catch (const uno::Exception&) {
css::uno::Any anyEx = cppu::getCaughtException();
throw lang::WrappedTargetRuntimeException(
u"SvXMLMetaDocumentContext::initDocumentProperties: "
"properties init exception"_ustr,
rImport, anyEx);
}
}
static void
lcl_initGenerator(SvXMLImport & rImport,
uno::Reference<xml::dom::XSAXDocumentBuilder2> const& xDocBuilder)
{
uno::Reference< xml::dom::XDocument > const xDoc(xDocBuilder->getDocument(),
uno::UNO_SET_THROW);
try {
uno::Reference< xml::xpath::XXPathAPI > const xPath = xml::xpath::XPathAPI::create(
rImport.GetComponentContext() );
xPath->registerNS(GetXMLToken(XML_NP_OFFICE),GetXMLToken(XML_N_OFFICE));
xPath->registerNS(GetXMLToken(XML_NP_META), GetXMLToken(XML_N_META));
uno::Reference< xml::xpath::XXPathObject > const xObj(
xPath->eval(xDoc, u"string(/office:document-meta/office:meta/meta:generator)"_ustr),
uno::UNO_SET_THROW);
OUString const value(xObj->getString());
SvXMLMetaDocumentContext::setBuildId(value, rImport.getImportInfo());
} catch (const uno::RuntimeException&) {
throw;
} catch (const uno::Exception&) {
css::uno::Any anyEx = cppu::getCaughtException();
throw lang::WrappedTargetRuntimeException(
u"SvXMLMetaDocumentContext::initGenerator: exception"_ustr,
rImport, anyEx);
}
}
SvXMLMetaDocumentContext::SvXMLMetaDocumentContext(SvXMLImport& rImport,
uno::Reference<document::XDocumentProperties> xDocProps) :
SvXMLImportContext( rImport ),
mxDocProps(std::move(xDocProps)),
mxDocBuilder(
xml::dom::SAXDocumentBuilder::create(
comphelper::getProcessComponentContext()))
{
// #i103539#: must always read meta.xml for generator, xDocProps unwanted then
// OSL_ENSURE(xDocProps.is(), "SvXMLMetaDocumentContext: no document props");
}
SvXMLMetaDocumentContext::~SvXMLMetaDocumentContext()
{
}
void SAL_CALL SvXMLMetaDocumentContext::startFastElement(sal_Int32 /*nElement*/,
const uno::Reference< xml::sax::XFastAttributeList >& xAttrList )
{
mxDocBuilder->startDocument();
// hardcode office:document-meta (necessary in case of flat file ODF)
mxDocBuilder->startFastElement(XML_ELEMENT(OFFICE, XML_DOCUMENT_META), xAttrList);
}
void SvXMLMetaDocumentContext::FinishMetaElement()
{
// hardcode office:document-meta (necessary in case of flat file ODF)
mxDocBuilder->endFastElement(XML_ELEMENT(OFFICE, XML_DOCUMENT_META));
mxDocBuilder->endDocument();
if (mxDocProps.is())
{
lcl_initDocumentProperties(GetImport(), mxDocBuilder, mxDocProps);
}
else
{
lcl_initGenerator(GetImport(), mxDocBuilder);
}
}
uno::Reference< xml::sax::XFastContextHandler > SAL_CALL SvXMLMetaDocumentContext::createFastChildContext(
sal_Int32 nElement, const uno::Reference< xml::sax::XFastAttributeList >& xAttrList )
{
if ( nElement == XML_ELEMENT(OFFICE, XML_META) )
return new XMLDocumentBuilderContext(
GetImport(), nElement, xAttrList, mxDocBuilder, this);
return nullptr;
}
void SvXMLMetaDocumentContext::setBuildId(std::u16string_view i_rBuildId, const uno::Reference<beans::XPropertySet>& xImportInfo )
{
OUString sBuildId;
// skip to second product
size_t nBegin = i_rBuildId.find( ' ' );
if ( nBegin != std::u16string_view::npos )
{
// skip to build information
nBegin = i_rBuildId.find( '/', nBegin );
if ( nBegin != std::u16string_view::npos )
{
size_t nEnd = i_rBuildId.find( 'm', nBegin );
if ( nEnd != std::u16string_view::npos )
{
OUStringBuffer sBuffer(
i_rBuildId.substr( nBegin+1, nEnd-nBegin-1 ) );
static constexpr OUString sBuildCompare(
u"$Build-"_ustr );
nBegin = i_rBuildId.find( sBuildCompare, nEnd );
if ( nBegin != std::u16string_view::npos )
{
sBuffer.append( '$' );
sBuffer.append( i_rBuildId.substr(nBegin + sBuildCompare.getLength()) );
sBuildId = sBuffer.makeStringAndClear();
}
}
}
}
if ( sBuildId.isEmpty() )
{
if ( o3tl::starts_with(i_rBuildId, u"StarOffice 7")
|| o3tl::starts_with(i_rBuildId, u"StarSuite 7")
|| o3tl::starts_with(i_rBuildId, u"StarOffice 6")
|| o3tl::starts_with(i_rBuildId, u"StarSuite 6")
|| o3tl::starts_with(i_rBuildId, u"OpenOffice.org 1"))
{
sBuildId = "645$8687";
}
else if (o3tl::starts_with(i_rBuildId, u"NeoOffice/2"))
{
sBuildId = "680$9134"; // fake NeoOffice as OpenOffice.org 2.2 release
}
}
// "LibreOffice_project" was hard-coded since LO 3.3.0
// see utl::DocInfoHelper::GetGeneratorString()
if (i_rBuildId.find(u"LibreOffice_project/") != std::u16string_view::npos)
{
OUStringBuffer sNumber;
size_t const firstSlash = i_rBuildId.find('/');
assert(firstSlash != std::u16string_view::npos);
for (size_t i = firstSlash + 1; i < i_rBuildId.size(); ++i)
{
if (rtl::isAsciiDigit(i_rBuildId[i]) || '.' == i_rBuildId[i])
{
sNumber.append(i_rBuildId[i]);
}
else
{
break;
}
}
if (!sNumber.isEmpty())
{
sBuildId += ";" + sNumber;
}
}
if ( sBuildId.isEmpty() )
return;
try
{
if( xImportInfo.is() )
{
static constexpr OUString aPropName(u"BuildId"_ustr);
uno::Reference< beans::XPropertySetInfo > xSetInfo(
xImportInfo->getPropertySetInfo());
if( xSetInfo.is() && xSetInfo->hasPropertyByName( aPropName ) )
xImportInfo->setPropertyValue( aPropName, uno::Any( sBuildId ) );
}
}
catch(const uno::Exception&)
{
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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