GSoC: Mapping legacy sax parser and XFastParser

This implements legacy parser interface using XFastParser, and
unit test is also added.

Change-Id: Ia2eb7d517d80a3f7ec0cf26ffa2e5747ad22b186
Reviewed-on: https://gerrit.libreoffice.org/26229Reviewed-by: Michael Meeks <michael.meeks@collabora.com>
Tested-by: Michael Meeks <michael.meeks@collabora.com>

sax/Library_expwrap.mk

@@ -44,6 +44,7 @@ $(eval $(call gb_Library_add_exception_objects,expwrap,\
 	sax/source/expatwrap/saxwriter \
 	sax/source/expatwrap/xml2utf \
 	sax/source/fastparser/fastparser \
+	sax/source/fastparser/legacyfastparser \
 ))
 
 # vim: set noet sw=4 ts=4:

sax/qa/cppunit/xmlimport.cxx

@@ -83,6 +83,7 @@ private:
 public:
     TestDocumentHandler() {}
     const OUString& getString() { return m_aStr; }
+    void setString( const OUString aStr ) { m_aStr = aStr; }
 
     // XDocumentHandler
     virtual void SAL_CALL startDocument() throw (SAXException, RuntimeException, exception) override;
@@ -319,15 +320,43 @@ public:
     }
 };
 
+class TestLegacyDocumentHandler : public TestDocumentHandler
+{
+public:
+    virtual void SAL_CALL startElement( const OUString& aName, const Reference< XAttributeList >& xAttribs ) throw (SAXException, RuntimeException, exception) override;
+    virtual void SAL_CALL endElement( const OUString& aName ) throw (SAXException, RuntimeException, exception) override;
+};
+
+void SAL_CALL TestLegacyDocumentHandler::startElement( const OUString& aName, const Reference< XAttributeList >& xAttribs )
+        throw( SAXException, RuntimeException, exception )
+{
+    setString( getString() + aName );
+    sal_uInt16 len = xAttribs->getLength();
+    for (sal_uInt16 i = 0; i < len; i++)
+    {
+        OUString sAttrName = xAttribs->getNameByIndex(i);
+        OUString sAttrValue = xAttribs->getValueByIndex(i);
+        setString( getString() + sAttrName + sAttrValue );
+    }
+}
+
+
+void SAL_CALL TestLegacyDocumentHandler::endElement( const OUString& aName )
+    throw( SAXException, RuntimeException, exception )
+{
+    setString( getString() + aName );
+}
 
 class XMLImportTest : public test::BootstrapFixture
 {
 private:
     OUString m_sDirPath;
-    rtl::Reference< TestDocumentHandler > m_xDocumentHandler;
-    rtl::Reference< TestFastDocumentHandler > m_xFastDocumentHandler;
+    Reference< TestDocumentHandler > m_xDocumentHandler;
+    Reference< TestFastDocumentHandler > m_xFastDocumentHandler;
     Reference< XParser > m_xParser;
     Reference< XFastParser > m_xFastParser;
+    Reference< XParser > m_xLegacyFastParser;
+    Reference< TestLegacyDocumentHandler > m_xLegacyDocumentHandler;
     Reference< XFastTokenHandler > m_xFastTokenHandler;
 
 public:
@@ -345,16 +374,19 @@ public:
 void XMLImportTest::setUp()
 {
     test::BootstrapFixture::setUp();
+    Reference< XComponentContext > xContext = comphelper::getProcessComponentContext();
     m_xDocumentHandler.set( new TestDocumentHandler() );
     m_xFastDocumentHandler.set( new TestFastDocumentHandler() );
+    m_xLegacyDocumentHandler.set( new TestLegacyDocumentHandler() );
     m_xFastTokenHandler.set( new TestTokenHandler() );
-    m_xParser = Parser::create(
-        ::comphelper::getProcessComponentContext() );
-    m_xFastParser = FastParser::create(
-        ::comphelper::getProcessComponentContext() );
-    m_xParser->setDocumentHandler( m_xDocumentHandler.get() );
-    m_xFastParser->setFastDocumentHandler( m_xFastDocumentHandler.get() );
+    m_xParser = Parser::create( xContext );
+    m_xFastParser = FastParser::create( xContext );
+    m_xParser->setDocumentHandler( m_xDocumentHandler );
+    m_xFastParser->setFastDocumentHandler( m_xFastDocumentHandler );
     m_xFastParser->setTokenHandler( m_xFastTokenHandler );
+    m_xLegacyFastParser.set( xContext->getServiceManager()->createInstanceWithContext
+                    ( "com.sun.star.xml.sax.LegacyFastParser", xContext ), UNO_QUERY );
+    m_xLegacyFastParser->setDocumentHandler( m_xLegacyDocumentHandler );
     m_sDirPath = m_directories.getPathFromSrc( "/sax/qa/data/" );
 }
 
@@ -382,7 +414,12 @@ void XMLImportTest::parse()
         m_xFastParser->parseStream(source);
         const OUString& rFastParserStr = m_xFastDocumentHandler->getString();
 
+        source.aInputStream = createStreamFromFile( m_sDirPath + fileNames[i] );
+        m_xLegacyFastParser->parseStream(source);
+        const OUString& rLegacyFastParserStr = m_xLegacyDocumentHandler->getString();
+
         CPPUNIT_ASSERT_EQUAL( rParserStr, rFastParserStr );
+        CPPUNIT_ASSERT_EQUAL( rFastParserStr, rLegacyFastParserStr );
         // OString o = OUStringToOString( Str, RTL_TEXTENCODING_ASCII_US );
         // CPPUNIT_ASSERT_MESSAGE( string(o.pData->buffer), false );
     }

sax/source/expatwrap/expwrap.component

@@ -31,4 +31,8 @@
       constructor="com_sun_star_comp_extensions_xml_sax_FastParser_get_implementation">
      <service name="com.sun.star.xml.sax.FastParser"/>
   </implementation>
+  <implementation name="com.sun.star.comp.extensions.xml.sax.LegacyFastParser"
+      constructor="com_sun_star_comp_extensions_xml_sax_LegacyFastParser_get_implementation">
+     <service name="com.sun.star.xml.sax.LegacyFastParser"/>
+  </implementation>
 </component>