filter/source/svg/test/odfserializer.cxx

   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 #include "odfserializer.hxx"
  21 #include <osl/diagnose.h>
  22 #include <rtl/ustrbuf.hxx>
  23 #include <cppuhelper/compbase1.hxx>
  24 #include <cppuhelper/basemutex.hxx>
  25 #include <com/sun/star/uno/Sequence.hxx>
  26 #include <boost/noncopyable.hpp>
  27
  28 using namespace ::com::sun::star;
  29
  30 namespace svgi
  31 {
  32
  33 typedef ::cppu::WeakComponentImplHelper1<
  34     com::sun::star::xml::sax::XDocumentHandler> ODFSerializerBase;
  35
  36 class ODFSerializer : private cppu::BaseMutex,
  37                 public ODFSerializerBase,
  38                 boost::noncopyable
  39 {
  40 public:
  41     explicit ODFSerializer(const uno::Reference<io::XOutputStream>& xOut) :
  42         ODFSerializerBase(m_aMutex),
  43         m_xOutStream(xOut),
  44         m_aLineFeed(1),
  45         m_aBuf()
  46     {
  47         m_aLineFeed[0] = '\n';
  48     }
  49
  50     virtual void SAL_CALL startDocument(  ) throw (xml::sax::SAXException, uno::RuntimeException);
  51     virtual void SAL_CALL endDocument(  ) throw (xml::sax::SAXException, uno::RuntimeException);
  52     virtual void SAL_CALL startElement( const OUString& aName, const uno::Reference< xml::sax::XAttributeList >& xAttribs ) throw (xml::sax::SAXException, uno::RuntimeException);
  53     virtual void SAL_CALL endElement( const OUString& aName ) throw (xml::sax::SAXException, uno::RuntimeException);
  54     virtual void SAL_CALL characters( const OUString& aChars ) throw (xml::sax::SAXException, uno::RuntimeException);
  55     virtual void SAL_CALL ignorableWhitespace( const OUString& aWhitespaces ) throw (xml::sax::SAXException, uno::RuntimeException);
  56     virtual void SAL_CALL processingInstruction( const OUString& aTarget, const OUString& aData ) throw (xml::sax::SAXException, uno::RuntimeException);
  57     virtual void SAL_CALL setDocumentLocator( const uno::Reference< xml::sax::XLocator >& xLocator ) throw (xml::sax::SAXException, uno::RuntimeException);
  58
  59 private:
  60     uno::Reference<io::XOutputStream> m_xOutStream;
  61     uno::Sequence<sal_Int8>           m_aLineFeed;
  62     uno::Sequence<sal_Int8>           m_aBuf;
  63 };
  64
  65 void SAL_CALL ODFSerializer::startDocument(  ) throw (xml::sax::SAXException, uno::RuntimeException)
  66 {
  67     OSL_PRECOND(m_xOutStream.is(), "ODFSerializer(): invalid output stream");
  68
  69     OUStringBuffer aElement;
  70     aElement.appendAscii("<?xml version=\"1.0\" encoding=\"UTF-8\"?>");
  71     characters(aElement.makeStringAndClear());
  72 }
  73
  74 void SAL_CALL ODFSerializer::endDocument() throw (xml::sax::SAXException, uno::RuntimeException)
  75 {}
  76
  77 void SAL_CALL ODFSerializer::startElement( const OUString& aName,
  78                                            const uno::Reference< xml::sax::XAttributeList >& xAttribs ) throw (xml::sax::SAXException, uno::RuntimeException)
  79 {
  80     OUStringBuffer aElement("<" + aName + " ");
  81
  82     const sal_Int16 nLen=xAttribs->getLength();
  83     for( sal_Int16 i=0; i<nLen; ++i )
  84         aElement.append(xAttribs->getNameByIndex(i) + "=\"" +
  85                         xAttribs->getValueByIndex(i) + "\" ");
  86
  87     characters(aElement.makeStringAndClear() + ">");
  88 }
  89
  90 void SAL_CALL ODFSerializer::endElement( const OUString& aName ) throw (xml::sax::SAXException, uno::RuntimeException)
  91 {
  92     characters("</" + aName + ">");
  93 }
  94
  95 void SAL_CALL ODFSerializer::characters( const OUString& aChars ) throw (xml::sax::SAXException, uno::RuntimeException)
  96 {
  97     const OString aStr = OUStringToOString(aChars,
  98                                                      RTL_TEXTENCODING_UTF8);
  99     const sal_Int32 nLen( aStr.getLength() );
 100     m_aBuf.realloc( nLen );
 101     const sal_Char* pStr = aStr.getStr();
 102     std::copy(pStr,pStr+nLen,m_aBuf.getArray());
 103
 104     m_xOutStream->writeBytes(m_aBuf);
 105     // TODO(F1): Make pretty printing configurable
 106     m_xOutStream->writeBytes(m_aLineFeed);
 107 }
 108
 109 void SAL_CALL ODFSerializer::ignorableWhitespace( const OUString& aWhitespaces ) throw (xml::sax::SAXException, uno::RuntimeException)
 110 {
 111     // TODO(F1): Make pretty printing configurable
 112     characters(aWhitespaces);
 113 }
 114
 115 void SAL_CALL ODFSerializer::processingInstruction( const OUString&,
 116                                                     const OUString& ) throw (xml::sax::SAXException, uno::RuntimeException)
 117 {}
 118
 119 void SAL_CALL ODFSerializer::setDocumentLocator( const uno::Reference< xml::sax::XLocator >& ) throw (xml::sax::SAXException, uno::RuntimeException)
 120 {}
 121
 122 uno::Reference< xml::sax::XDocumentHandler> createSerializer(const uno::Reference<io::XOutputStream>& xOut )
 123 {
 124     return uno::Reference<xml::sax::XDocumentHandler>(new ODFSerializer(xOut));
 125 }
 126
 127 }
 128
 129 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */