[jira] [Created] (XALANC-756) FormatterToXML throws exception for valid XML

["Andrei Gheorghe (JIRA)" <ji...@apache.org>]

Andrei Gheorghe created XALANC-756:
--------------------------------------

             Summary: FormatterToXML throws exception for valid XML
                 Key: XALANC-756
                 URL: https://issues.apache.org/jira/browse/XALANC-756
             Project: XalanC
          Issue Type: Bug
            Reporter: Andrei Gheorghe
            Assignee: Steven J. Hathaway


Xalan-C++ throws SAXException for this XML: <?xml version="1.0" encoding="UTF-8"?><elem attr="&#xA;"/>
This XML is valid according to all the validators I have tried.
This issue can be reproduced using the following test program.
I also supplied a patch to show where the problem originates and which seems to solve the issue.

{code:title=test.cpp|borderStyle=solid}
#include <xercesc/util/PlatformUtils.hpp>
#include <xercesc/framework/MemBufInputSource.hpp>
#include <xercesc/parsers/XercesDOMParser.hpp>

#include <xalanc/XercesParserLiaison/XercesDocumentWrapper.hpp>
#include <xalanc/PlatformSupport/XalanStdOutputStream.hpp>
#include <xalanc/PlatformSupport/XalanOutputStreamPrintWriter.hpp>
#include <xalanc/XMLSupport/FormatterToXML.hpp>
#include <xalanc/XMLSupport/FormatterTreeWalker.hpp>

#include <sstream>
#include <iostream>

XERCES_CPP_NAMESPACE_USE
XALAN_CPP_NAMESPACE_USE

using namespace std;

int main()
{
	try 
	{
		XMLPlatformUtils::Initialize();

		string testXML = "<?xml version=\"1.0\" encoding=\"UTF-8\"?><elem attr=\"&#xA;\"/>";
		MemBufInputSource bufferMemSource( ( const XMLByte* )testXML.c_str(), testXML.size(), "testXML", false );
		XercesDOMParser parser;
		parser.parse(bufferMemSource);
		XercesDocumentWrapper docWrapper( *XMLPlatformUtils::fgMemoryManager, parser.getDocument(), true, true, true );

		XalanStdOutputStream stream( cout );
		XalanOutputStreamPrintWriter printWriter( stream );
		FormatterToXML formatter( printWriter );
		FormatterTreeWalker walker( formatter );

		formatter.setShouldWriteXMLHeader( false );
		formatter.startDocument();
		walker.traverseSubtree( &docWrapper ); //throws SAXException: 'A' is an invalid Unicode scalar value.
		formatter.endDocument();
	}
	catch ( const exception& )
	{}

	return 0;
}
{code}

{code}
Index: src/xalanc/XMLSupport/FormatterToXML.cpp
===================================================================
--- src/xalanc/XMLSupport/FormatterToXML.cpp	(revision 1612825)
+++ src/xalanc/XMLSupport/FormatterToXML.cpp	(working copy)
@@ -910,7 +910,7 @@
             {
                 if(ch < 0x20 )
                 {
-                    if(m_isXML1_1)
+                    if(ch == 0x9 || ch == 0xA || ch == 0xD || m_isXML1_1)
                     {
                         writeNumberedEntityReference(ch);
                     }
{code}



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