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Diffstat (limited to 'sdext/source/pdfimport/odf')
-rw-r--r-- | sdext/source/pdfimport/odf/odfemitter.cxx | 124 |
1 files changed, 124 insertions, 0 deletions
diff --git a/sdext/source/pdfimport/odf/odfemitter.cxx b/sdext/source/pdfimport/odf/odfemitter.cxx new file mode 100644 index 000000000..817b9ca93 --- /dev/null +++ b/sdext/source/pdfimport/odf/odfemitter.cxx @@ -0,0 +1,124 @@ +/* -*- 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 <odfemitter.hxx> + +#include <rtl/ustrbuf.hxx> +#include <osl/diagnose.h> +#include <com/sun/star/io/XOutputStream.hpp> + +#include <comphelper/stl_types.hxx> + +using namespace com::sun::star; + +namespace pdfi +{ + +namespace { + +class OdfEmitter : public XmlEmitter +{ +private: + uno::Reference<io::XOutputStream> m_xOutput; + uno::Sequence<sal_Int8> m_aLineFeed; + uno::Sequence<sal_Int8> m_aBuf; + +public: + explicit OdfEmitter( const uno::Reference<io::XOutputStream>& xOutput ); + + virtual void beginTag( const char* pTag, const PropertyMap& rProperties ) override; + virtual void write( const OUString& rString ) override; + virtual void endTag( const char* pTag ) override; +}; + +} + +OdfEmitter::OdfEmitter( const uno::Reference<io::XOutputStream>& xOutput ) : + m_xOutput( xOutput ), + m_aLineFeed(1), + m_aBuf() +{ + OSL_PRECOND(m_xOutput.is(), "OdfEmitter(): invalid output stream"); + m_aLineFeed[0] = '\n'; + + OUString aElement = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>"; + write(aElement); +} + +void OdfEmitter::beginTag( const char* pTag, const PropertyMap& rProperties ) +{ + OSL_PRECOND(pTag,"Invalid tag string"); + + OUStringBuffer aElement; + aElement.append("<"); + aElement.appendAscii(pTag); + aElement.append(" "); + + std::vector<OUString> aAttributes; + for( const auto& rCurr : rProperties ) + { + OUString aAttribute = + rCurr.first + + "=\"" + + rCurr.second + + "\" "; + aAttributes.push_back(aAttribute); + } + + // since the hash map's sorting is undefined (and varies across + // platforms, and even between different compile-time settings), + // sort the attributes. + std::sort(aAttributes.begin(), aAttributes.end()); + std::copy(aAttributes.begin(), aAttributes.end(), + comphelper::OUStringBufferAppender(aElement)); + aElement.append(">"); + + write(aElement.makeStringAndClear()); +} + +void OdfEmitter::write( const OUString& rText ) +{ + const OString aStr = OUStringToOString(rText,RTL_TEXTENCODING_UTF8); + const sal_Int32 nLen( aStr.getLength() ); + m_aBuf.realloc( nLen ); + const char* pStr = aStr.getStr(); + std::copy(pStr,pStr+nLen,m_aBuf.getArray()); + + m_xOutput->writeBytes(m_aBuf); + m_xOutput->writeBytes(m_aLineFeed); +} + +void OdfEmitter::endTag( const char* pTag ) +{ + OUStringBuffer aElement; + aElement.append("</"); + aElement.appendAscii(pTag); + aElement.append(">"); + write(aElement.makeStringAndClear()); +} + +XmlEmitterSharedPtr createOdfEmitter( const uno::Reference<io::XOutputStream>& xOut ) +{ + return std::make_shared<OdfEmitter>(xOut); +} + +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |