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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 <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: */
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