Line data    Source code

       1             : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2             : /*
       3             :  * This file is part of the LibreOffice project.
       4             :  *
       5             :  * This Source Code Form is subject to the terms of the Mozilla Public
       6             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       7             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
       8             :  *
       9             :  * This file incorporates work covered by the following license notice:
      10             :  *
      11             :  *   Licensed to the Apache Software Foundation (ASF) under one or more
      12             :  *   contributor license agreements. See the NOTICE file distributed
      13             :  *   with this work for additional information regarding copyright
      14             :  *   ownership. The ASF licenses this file to you under the Apache
      15             :  *   License, Version 2.0 (the "License"); you may not use this file
      16             :  *   except in compliance with the License. You may obtain a copy of
      17             :  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
      18             :  */
      19             : 
      20             : 
      21             : #include "odfemitter.hxx"
      22             : 
      23             : #include <rtl/ustrbuf.hxx>
      24             : #include <osl/diagnose.h>
      25             : #include <cppuhelper/exc_hlp.hxx>
      26             : #include <com/sun/star/io/XInputStream.hpp>
      27             : #include <com/sun/star/io/XOutputStream.hpp>
      28             : #include <boost/bind.hpp>
      29             : 
      30             : using namespace com::sun::star;
      31             : 
      32             : namespace pdfi
      33             : {
      34             : 
      35           4 : class OdfEmitter : public XmlEmitter
      36             : {
      37             : private:
      38             :     uno::Reference<io::XOutputStream> m_xOutput;
      39             :     uno::Sequence<sal_Int8>           m_aLineFeed;
      40             :     uno::Sequence<sal_Int8>           m_aBuf;
      41             : 
      42             : public:
      43             :     explicit OdfEmitter( const uno::Reference<io::XOutputStream>& xOutput );
      44             : 
      45             :     virtual void beginTag( const char* pTag, const PropertyMap& rProperties ) SAL_OVERRIDE;
      46             :     virtual void write( const OUString& rString ) SAL_OVERRIDE;
      47             :     virtual void endTag( const char* pTag ) SAL_OVERRIDE;
      48             : };
      49             : 
      50           2 : OdfEmitter::OdfEmitter( const uno::Reference<io::XOutputStream>& xOutput ) :
      51             :     m_xOutput( xOutput ),
      52             :     m_aLineFeed(1),
      53           2 :     m_aBuf()
      54             : {
      55             :     OSL_PRECOND(m_xOutput.is(), "OdfEmitter(): invalid output stream");
      56           2 :     m_aLineFeed[0] = '\n';
      57             : 
      58           2 :     OUStringBuffer aElement;
      59           2 :     aElement.appendAscii("<?xml version=\"1.0\" encoding=\"UTF-8\"?>");
      60           2 :     write(aElement.makeStringAndClear());
      61           2 : }
      62             : 
      63         410 : void OdfEmitter::beginTag( const char* pTag, const PropertyMap& rProperties )
      64             : {
      65             :     OSL_PRECOND(pTag,"Invalid tag string");
      66             : 
      67         410 :     OUStringBuffer aElement;
      68         410 :     aElement.appendAscii("<");
      69         410 :     aElement.appendAscii(pTag);
      70         410 :     aElement.appendAscii(" ");
      71             : 
      72         820 :     std::vector<OUString>        aAttributes;
      73         410 :     PropertyMap::const_iterator       aCurr(rProperties.begin());
      74         410 :     const PropertyMap::const_iterator aEnd(rProperties.end());
      75        1616 :     while( aCurr != aEnd )
      76             :     {
      77         796 :         OUStringBuffer aAttribute;
      78         796 :         aAttribute.append(aCurr->first);
      79         796 :         aAttribute.appendAscii("=\"");
      80         796 :         aAttribute.append(aCurr->second);
      81         796 :         aAttribute.appendAscii("\" ");
      82         796 :         aAttributes.push_back(aAttribute.makeStringAndClear());
      83         796 :         ++aCurr;
      84         796 :     }
      85             : 
      86             :     // since the hash map's sorting is undefined (and varies across
      87             :     // platforms, and even between different compile-time settings),
      88             :     // sort the attributes.
      89         410 :     std::sort(aAttributes.begin(), aAttributes.end());
      90             :     std::for_each(aAttributes.begin(),
      91             :                   aAttributes.end(),
      92             :                   boost::bind( (OUStringBuffer& (OUStringBuffer::*)(const OUString&))
      93             :                                (&OUStringBuffer::append),
      94             :                                boost::ref(aElement),
      95         410 :                                _1 ));
      96         410 :     aElement.appendAscii(">");
      97             : 
      98         820 :     write(aElement.makeStringAndClear());
      99         410 : }
     100             : 
     101        1019 : void OdfEmitter::write( const OUString& rText )
     102             : {
     103        1019 :     const OString aStr = OUStringToOString(rText,RTL_TEXTENCODING_UTF8);
     104        1019 :     const sal_Int32 nLen( aStr.getLength() );
     105        1019 :     m_aBuf.realloc( nLen );
     106        1019 :     const sal_Char* pStr = aStr.getStr();
     107        1019 :     std::copy(pStr,pStr+nLen,m_aBuf.getArray());
     108             : 
     109        1019 :     m_xOutput->writeBytes(m_aBuf);
     110        1019 :     m_xOutput->writeBytes(m_aLineFeed);
     111        1019 : }
     112             : 
     113         410 : void OdfEmitter::endTag( const char* pTag )
     114             : {
     115         410 :     OUStringBuffer aElement;
     116         410 :     aElement.appendAscii("</");
     117         410 :     aElement.appendAscii(pTag);
     118         410 :     aElement.appendAscii(">");
     119         410 :     write(aElement.makeStringAndClear());
     120         410 : }
     121             : 
     122           2 : XmlEmitterSharedPtr createOdfEmitter( const uno::Reference<io::XOutputStream>& xOut )
     123             : {
     124           2 :     return XmlEmitterSharedPtr(new OdfEmitter(xOut));
     125             : }
     126             : 
     127          15 : }
     128             : 
     129             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */