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 <cppuhelper/exc_hlp.hxx>
      25             : #include <com/sun/star/io/XInputStream.hpp>
      26             : #include <com/sun/star/io/XOutputStream.hpp>
      27             : #include <boost/bind.hpp>
      28             : 
      29             : using namespace com::sun::star;
      30             : 
      31             : namespace pdfi
      32             : {
      33             : 
      34           8 : class OdfEmitter : public XmlEmitter
      35             : {
      36             : private:
      37             :     uno::Reference<io::XOutputStream> m_xOutput;
      38             :     uno::Sequence<sal_Int8>           m_aLineFeed;
      39             :     uno::Sequence<sal_Int8>           m_aBuf;
      40             : 
      41             : public:
      42             :     explicit OdfEmitter( const uno::Reference<io::XOutputStream>& xOutput );
      43             : 
      44             :     virtual void beginTag( const char* pTag, const PropertyMap& rProperties );
      45             :     virtual void write( const rtl::OUString& rString );
      46             :     virtual void endTag( const char* pTag );
      47             : };
      48             : 
      49           4 : OdfEmitter::OdfEmitter( const uno::Reference<io::XOutputStream>& xOutput ) :
      50             :     m_xOutput( xOutput ),
      51             :     m_aLineFeed(1),
      52           4 :     m_aBuf()
      53             : {
      54             :     OSL_PRECOND(m_xOutput.is(), "OdfEmitter(): invalid output stream");
      55           4 :     m_aLineFeed[0] = '\n';
      56             : 
      57           4 :     rtl::OUStringBuffer aElement;
      58           4 :     aElement.appendAscii("<?xml version=\"1.0\" encoding=\"UTF-8\"?>");
      59           4 :     write(aElement.makeStringAndClear());
      60           4 : }
      61             : 
      62         410 : void OdfEmitter::beginTag( const char* pTag, const PropertyMap& rProperties )
      63             : {
      64             :     OSL_PRECOND(pTag,"Invalid tag string");
      65             : 
      66         410 :     rtl::OUStringBuffer aElement;
      67         410 :     aElement.appendAscii("<");
      68         410 :     aElement.appendAscii(pTag);
      69         410 :     aElement.appendAscii(" ");
      70             : 
      71         410 :     std::vector<rtl::OUString>        aAttributes;
      72         410 :     PropertyMap::const_iterator       aCurr(rProperties.begin());
      73         410 :     const PropertyMap::const_iterator aEnd(rProperties.end());
      74        1920 :     while( aCurr != aEnd )
      75             :     {
      76        1100 :         rtl::OUStringBuffer aAttribute;
      77        1100 :         aAttribute.append(aCurr->first);
      78        1100 :         aAttribute.appendAscii("=\"");
      79        1100 :         aAttribute.append(aCurr->second);
      80        1100 :         aAttribute.appendAscii("\" ");
      81        1100 :         aAttributes.push_back(aAttribute.makeStringAndClear());
      82        1100 :         ++aCurr;
      83        1100 :     }
      84             : 
      85             :     // since the hash map's sorting is undefined (and varies across
      86             :     // platforms, and even between different compile-time settings),
      87             :     // sort the attributes.
      88         410 :     std::sort(aAttributes.begin(), aAttributes.end());
      89             :     std::for_each(aAttributes.begin(),
      90             :                   aAttributes.end(),
      91             :                   boost::bind( (rtl::OUStringBuffer& (rtl::OUStringBuffer::*)(const rtl::OUString&))
      92             :                                (&rtl::OUStringBuffer::append),
      93             :                                boost::ref(aElement),
      94         410 :                                _1 ));
      95         410 :     aElement.appendAscii(">");
      96             : 
      97         410 :     write(aElement.makeStringAndClear());
      98         410 : }
      99             : 
     100        1026 : void OdfEmitter::write( const rtl::OUString& rText )
     101             : {
     102        1026 :     const rtl::OString aStr = rtl::OUStringToOString(rText,RTL_TEXTENCODING_UTF8);
     103        1026 :     const sal_Int32 nLen( aStr.getLength() );
     104        1026 :     m_aBuf.realloc( nLen );
     105        1026 :     const sal_Char* pStr = aStr.getStr();
     106        1026 :     std::copy(pStr,pStr+nLen,m_aBuf.getArray());
     107             : 
     108        1026 :     m_xOutput->writeBytes(m_aBuf);
     109        1026 :     m_xOutput->writeBytes(m_aLineFeed);
     110        1026 : }
     111             : 
     112         410 : void OdfEmitter::endTag( const char* pTag )
     113             : {
     114         410 :     rtl::OUStringBuffer aElement;
     115         410 :     aElement.appendAscii("</");
     116         410 :     aElement.appendAscii(pTag);
     117         410 :     aElement.appendAscii(">");
     118         410 :     write(aElement.makeStringAndClear());
     119         410 : }
     120             : 
     121           4 : XmlEmitterSharedPtr createOdfEmitter( const uno::Reference<io::XOutputStream>& xOut )
     122             : {
     123           4 :     return XmlEmitterSharedPtr(new OdfEmitter(xOut));
     124             : }
     125             : 
     126           6 : }
     127             : 
     128             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */