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| -rw-r--r-- | include/sax/fshelper.hxx | 168 |
1 files changed, 168 insertions, 0 deletions
diff --git a/include/sax/fshelper.hxx b/include/sax/fshelper.hxx new file mode 100644 index 000000000..7c1f9a2ea --- /dev/null +++ b/include/sax/fshelper.hxx @@ -0,0 +1,168 @@ +/* -*- 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_SAX_FSHELPER_HXX +#define INCLUDED_SAX_FSHELPER_HXX + +#include <com/sun/star/xml/sax/XFastAttributeList.hpp> +#include <com/sun/star/uno/Reference.hxx> +#include <com/sun/star/uno/Sequence.hxx> +#include <sax/saxdllapi.h> +#include <memory> +#include <utility> + +namespace com::sun::star::io { class XOutputStream; } +namespace sax_fastparser { class FastAttributeList; } + +constexpr sal_Int32 FSNS(sal_Int32 namespc, sal_Int32 element) { return (namespc << 16) | element; } + +namespace sax_fastparser { + +enum class MergeMarks { APPEND = 0, PREPEND = 1, POSTPONE = 2}; + +typedef css::uno::Reference< css::xml::sax::XFastAttributeList > XFastAttributeListRef; + +class FastSaxSerializer; + +class SAX_DLLPUBLIC FastSerializerHelper +{ +public: + + FastSerializerHelper( const css::uno::Reference< css::io::XOutputStream >& xOutputStream, bool bWriteHeader ); + + ~FastSerializerHelper(); + + /// Start an element. After the first argument there can be a number of (attribute, value) pairs. + template<typename... Args> + void startElement(sal_Int32 elementTokenId, sal_Int32 attribute, const char* value, Args &&... args) + { + if (value) + pushAttributeValue(attribute, value); + startElement(elementTokenId, std::forward<Args>(args)...); + } + template<typename... Args> + void startElement(sal_Int32 elementTokenId, sal_Int32 attribute, const OString& value, Args &&... args) + { + pushAttributeValue(attribute, value); + startElement(elementTokenId, std::forward<Args>(args)...); + } + void startElement(sal_Int32 elementTokenId); + + /// Start an element. After the first two arguments there can be a number of (attribute, value) pairs. + template<typename... Args> + void startElementNS(sal_Int32 namespaceTokenId, sal_Int32 elementTokenId, sal_Int32 attribute, const char* value, Args &&... args) + { + if (value) + pushAttributeValue(attribute, value); + startElementNS(namespaceTokenId, elementTokenId, std::forward<Args>(args)...); + } + template<typename... Args> + void startElementNS(sal_Int32 namespaceTokenId, sal_Int32 elementTokenId, sal_Int32 attribute, const OString& value, Args &&... args) + { + pushAttributeValue(attribute, value); + startElementNS(namespaceTokenId, elementTokenId, std::forward<Args>(args)...); + } + void startElementNS(sal_Int32 namespaceTokenId, sal_Int32 elementTokenId) + { + startElement(FSNS(namespaceTokenId, elementTokenId)); + } + + /// Create a single element. After the first argument there can be a number of (attribute, value) pairs. + template<typename... Args> + void singleElement(sal_Int32 elementTokenId, sal_Int32 attribute, const char* value, Args &&... args) + { + if (value) + pushAttributeValue(attribute, value); + singleElement(elementTokenId, std::forward<Args>(args)...); + } + template<typename... Args> + void singleElement(sal_Int32 elementTokenId, sal_Int32 attribute, const OString& value, Args &&... args) + { + pushAttributeValue(attribute, value); + singleElement(elementTokenId, std::forward<Args>(args)...); + } + void singleElement(sal_Int32 elementTokenId); + + /// Create a single element. After the first two arguments there can be a number of (attribute, value) pairs. + template<typename... Args> + void singleElementNS(sal_Int32 namespaceTokenId, sal_Int32 elementTokenId, sal_Int32 attribute, const char* value, Args &&... args) + { + if (value) + pushAttributeValue(attribute, value); + singleElementNS(namespaceTokenId, elementTokenId, std::forward<Args>(args)...); + } + template<typename... Args> + void singleElementNS(sal_Int32 namespaceTokenId, sal_Int32 elementTokenId, sal_Int32 attribute, const OString& value, Args &&... args) + { + pushAttributeValue(attribute, value); + singleElementNS(namespaceTokenId, elementTokenId, std::forward<Args>(args)...); + } + void singleElementNS(sal_Int32 namespaceTokenId, sal_Int32 elementTokenId) + { + singleElement(FSNS(namespaceTokenId, elementTokenId)); + } + + void endElement(sal_Int32 elementTokenId); + void endElementNS(sal_Int32 namespaceTokenId, sal_Int32 elementTokenId) + { endElement( FSNS( namespaceTokenId, elementTokenId ) ); } + + void singleElement(sal_Int32 elementTokenId, const XFastAttributeListRef& xAttrList); + void singleElementNS(sal_Int32 namespaceTokenId, sal_Int32 elementTokenId, XFastAttributeListRef const & xAttrList) + { singleElement(FSNS( namespaceTokenId, elementTokenId), xAttrList); } + + void startElement(sal_Int32 elementTokenId, const XFastAttributeListRef& xAttrList); + void startElementNS(sal_Int32 namespaceTokenId, sal_Int32 elementTokenId, XFastAttributeListRef const & xAttrList) + { startElement( FSNS( namespaceTokenId, elementTokenId ), xAttrList ); } + + FastSerializerHelper* write(const char* value); + FastSerializerHelper* write(const OString& value); + FastSerializerHelper* write(const OUString& value); + FastSerializerHelper* write(sal_Int32 value); + FastSerializerHelper* write(sal_Int64 value); + FastSerializerHelper* write(double value); + + FastSerializerHelper* writeEscaped(const char* value); + FastSerializerHelper* writeEscaped(const OUString& value); + + FastSerializerHelper* writeId(sal_Int32 tokenId); + + css::uno::Reference< css::io::XOutputStream > const & getOutputStream() const; + + static FastAttributeList *createAttrList(); + + void mark(sal_Int32 nTag, + const css::uno::Sequence< sal_Int32 >& rOrder = + css::uno::Sequence< sal_Int32 >() ); + void mergeTopMarks(sal_Int32 nTag, + MergeMarks eMergeType = MergeMarks::APPEND ); + +private: + void pushAttributeValue( sal_Int32 attribute, const char* value ); + void pushAttributeValue( sal_Int32 attribute, const OString& value ); + + FastSaxSerializer* mpSerializer; +}; + +typedef std::shared_ptr< FastSerializerHelper > FSHelperPtr; + +} + +#endif // INCLUDED_SAX_FSHELPER_HXX + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |