filter/source/svg/test/odfserializer.cxx

   1 /*************************************************************************
   2  *
   3  *    OpenOffice.org - a multi-platform office productivity suite
   4  *
   5  *    Author:
   6  *      Fridrich Strba  <fridrich.strba@bluewin.ch>
   7  *      Thorsten Behrens <tbehrens@novell.com>
   8  *
   9  *      Copyright (C) 2008, Novell Inc.
  10  *      Parts copyright 2005 by Sun Microsystems, Inc.
  11  *
  12  *   The Contents of this file are made available subject to
  13  *   the terms of GNU Lesser General Public License Version 2.1.
  14  *
  15  ************************************************************************/
  16
  17 // MARKER(update_precomp.py): autogen include statement, do not remove
  18 #include "precompiled_filter.hxx"
  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 ::rtl::OUString& aName, const uno::Reference< xml::sax::XAttributeList >& xAttribs ) throw (xml::sax::SAXException, uno::RuntimeException);
  53     virtual void SAL_CALL endElement( const ::rtl::OUString& aName ) throw (xml::sax::SAXException, uno::RuntimeException);
  54     virtual void SAL_CALL characters( const ::rtl::OUString& aChars ) throw (xml::sax::SAXException, uno::RuntimeException);
  55     virtual void SAL_CALL ignorableWhitespace( const ::rtl::OUString& aWhitespaces ) throw (xml::sax::SAXException, uno::RuntimeException);
  56     virtual void SAL_CALL processingInstruction( const ::rtl::OUString& aTarget, const ::rtl::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     rtl::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 ::rtl::OUString& aName,
  78                                            const uno::Reference< xml::sax::XAttributeList >& xAttribs ) throw (xml::sax::SAXException, uno::RuntimeException)
  79 {
  80     rtl::OUStringBuffer aElement;
  81     aElement.appendAscii("<");
  82     aElement.append(aName);
  83     aElement.appendAscii(" ");
  84
  85     const sal_Int16 nLen=xAttribs->getLength();
  86     for( sal_Int16 i=0; i<nLen; ++i )
  87     {
  88         rtl::OUStringBuffer aAttribute;
  89         aElement.append(xAttribs->getNameByIndex(i));
  90         aElement.appendAscii("=\"");
  91         aElement.append(xAttribs->getValueByIndex(i));
  92         aElement.appendAscii("\" ");
  93     }
  94
  95     aElement.appendAscii(">");
  96     characters(aElement.makeStringAndClear());
  97 }
  98
  99 void SAL_CALL ODFSerializer::endElement( const ::rtl::OUString& aName ) throw (xml::sax::SAXException, uno::RuntimeException)
 100 {
 101     rtl::OUStringBuffer aElement;
 102     aElement.appendAscii("</");
 103     aElement.append(aName);
 104     aElement.appendAscii(">");
 105     characters(aElement.makeStringAndClear());
 106 }
 107
 108 void SAL_CALL ODFSerializer::characters( const ::rtl::OUString& aChars ) throw (xml::sax::SAXException, uno::RuntimeException)
 109 {
 110     const rtl::OString aStr = rtl::OUStringToOString(aChars,
 111                                                      RTL_TEXTENCODING_UTF8);
 112     const sal_Int32 nLen( aStr.getLength() );
 113     m_aBuf.realloc( nLen );
 114     const sal_Char* pStr = aStr.getStr();
 115     std::copy(pStr,pStr+nLen,m_aBuf.getArray());
 116
 117     m_xOutStream->writeBytes(m_aBuf);
 118     // TODO(F1): Make pretty printing configurable
 119     m_xOutStream->writeBytes(m_aLineFeed);
 120 }
 121
 122 void SAL_CALL ODFSerializer::ignorableWhitespace( const ::rtl::OUString& aWhitespaces ) throw (xml::sax::SAXException, uno::RuntimeException)
 123 {
 124     // TODO(F1): Make pretty printing configurable
 125     characters(aWhitespaces);
 126 }
 127
 128 void SAL_CALL ODFSerializer::processingInstruction( const ::rtl::OUString&,
 129                                                     const ::rtl::OUString& ) throw (xml::sax::SAXException, uno::RuntimeException)
 130 {}
 131
 132 void SAL_CALL ODFSerializer::setDocumentLocator( const uno::Reference< xml::sax::XLocator >& ) throw (xml::sax::SAXException, uno::RuntimeException)
 133 {}
 134
 135 uno::Reference< xml::sax::XDocumentHandler> createSerializer(const uno::Reference<io::XOutputStream>& xOut )
 136 {
 137     return uno::Reference<xml::sax::XDocumentHandler>(new ODFSerializer(xOut));
 138 }
 139
 140 }