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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 .
*/
#ifndef INCLUDED_XMLOFF_XMLICTXT_HXX
#define INCLUDED_XMLOFF_XMLICTXT_HXX
#include <sal/config.h>
#include <xmloff/dllapi.h>
#include <sal/log.hxx>
#include <sal/types.h>
#include <com/sun/star/xml/sax/XFastContextHandler.hpp>
#include <com/sun/star/lang/XTypeProvider.hpp>
#include <rtl/ustring.hxx>
#include <xmloff/namespacemap.hxx>
#include <optional>
namespace com::sun::star::xml::sax { class XAttributeList; }
class SvXMLImport;
class SvXMLImportContext;
typedef rtl::Reference<SvXMLImportContext> SvXMLImportContextRef;
/**
This class deliberately does not support XWeak, to improve performance when loading
large documents.
*/
class XMLOFF_DLLPUBLIC SvXMLImportContext : public css::xml::sax::XFastContextHandler,
public css::lang::XTypeProvider
{
friend class SvXMLImport;
SvXMLImport& mrImport;
oslInterlockedCount m_nRefCount;
std::optional<SvXMLNamespaceMap> m_xRewindMap;
SAL_DLLPRIVATE std::optional<SvXMLNamespaceMap> TakeRewindMap() { return std::move(m_xRewindMap); }
SAL_DLLPRIVATE void PutRewindMap(std::optional<SvXMLNamespaceMap>&& p) { m_xRewindMap = std::move(p); }
protected:
SvXMLImport& GetImport() { return mrImport; }
const SvXMLImport& GetImport() const { return mrImport; }
public:
/** A contexts constructor does anything that is required if an element
* starts. Namespace processing has been done already.
* Note that virtual methods cannot be used inside constructors. Use
* StartElement instead if this is required. */
SvXMLImportContext( SvXMLImport& rImport );
/** A contexts destructor does anything that is required if an element
* ends. By default, nothing is done.
* Note that virtual methods cannot be used inside destructors. Use
* EndElement instead if this is required. */
virtual ~SvXMLImportContext();
// css::xml::sax::XFastContextHandler:
virtual void SAL_CALL startFastElement (sal_Int32 Element,
const css::uno::Reference< css::xml::sax::XFastAttributeList >& Attribs) override;
virtual void SAL_CALL startUnknownElement(const OUString & Namespace, const OUString & Name,
const css::uno::Reference< css::xml::sax::XFastAttributeList > & Attribs) override;
/** endFastElement is called before a context will be destructed, but
* after an elements context has been parsed. It may be used for actions
* that require virtual methods. The default is to do nothing. */
virtual void SAL_CALL endFastElement(sal_Int32 Element) override;
virtual void SAL_CALL endUnknownElement(const OUString & Namespace, const OUString & Name) override;
virtual css::uno::Reference< XFastContextHandler > SAL_CALL createFastChildContext(sal_Int32 Element,
const css::uno::Reference<css::xml::sax::XFastAttributeList>& Attribs) override;
virtual css::uno::Reference< css::xml::sax::XFastContextHandler > SAL_CALL createUnknownChildContext(
const OUString & Namespace, const OUString & Name,
const css::uno::Reference< css::xml::sax::XFastAttributeList > & Attribs) override;
/** This method is called for all characters that are contained in the
* current element. The default is to ignore them. */
virtual void SAL_CALL characters(const OUString & aChars) override;
// XInterface
virtual css::uno::Any SAL_CALL queryInterface( const css::uno::Type& aType ) final override;
virtual void SAL_CALL acquire() noexcept final override
{ osl_atomic_increment(&m_nRefCount); }
virtual void SAL_CALL release() noexcept final override
{ if (osl_atomic_decrement(&m_nRefCount) == 0) delete this; }
// XTypeProvider
virtual css::uno::Sequence< css::uno::Type > SAL_CALL getTypes( ) final override;
virtual css::uno::Sequence< sal_Int8 > SAL_CALL getImplementationId( ) final override;
};
#define XMLOFF_WARN_UNKNOWN(area, rIter) \
SAL_WARN(area, "unknown attribute " << SvXMLImport::getPrefixAndNameFromToken(rIter.getToken()) << " value=" << rIter.toString());
#define XMLOFF_WARN_UNKNOWN_ATTR(area, token, value) \
SAL_WARN(area, "unknown attribute " << SvXMLImport::getPrefixAndNameFromToken(token) << "=" << value);
#define XMLOFF_WARN_UNKNOWN_ELEMENT(area, token) \
SAL_WARN(area, "unknown element " << SvXMLImport::getPrefixAndNameFromToken(token));
#endif // INCLUDED_XMLOFF_XMLICTXT_HXX
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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