Beispiel #1
0
bool
Kumu::StringIsXML(const char* document, ui32_t len)
{
  if ( document == 0 || *document == 0 )
    return false;

  init_xml_dom();

  if ( len == 0 )
    len = strlen(document);

  SAXParser parser;
  XMLPScanToken token;
  bool status = false;

  try
    {
      MemBufInputSource xmlSource(reinterpret_cast<const XMLByte*>(document),
				  static_cast<const unsigned int>(len),
				  "pidc_rules_file");

      if ( parser.parseFirst(xmlSource, token) )
	{
	  if ( parser.parseNext(token) )
	    status = true;
	}
    }
  catch (...)
    {
    }
  
  return status;
}
Beispiel #2
0
// ---------------------------------------------------------------------------
//  Program entry point
// ---------------------------------------------------------------------------
int main(int argC, char* argV[])
{
    // Initialize the XML4C system
    try
    {
         XMLPlatformUtils::Initialize();
    }

    catch (const XMLException& toCatch)
    {
         XERCES_STD_QUALIFIER cerr << "Error during initialization! :\n"
              << StrX(toCatch.getMessage()) << XERCES_STD_QUALIFIER endl;
         return 1;
    }

    // Check command line and extract arguments.
    if (argC < 2)
    {
        usage();
        XMLPlatformUtils::Terminate();
        return 1;
    }

    // See if non validating dom parser configuration is requested.
    int parmInd;
    for (parmInd = 1; parmInd < argC; parmInd++)
    {
        // Break out on first parm not starting with a dash
        if (argV[parmInd][0] != '-')
            break;

        // Watch for special case help request
        if (!strcmp(argV[parmInd], "-?"))
        {
            usage();
            XMLPlatformUtils::Terminate();
            return 2;
        }
         else if (!strncmp(argV[parmInd], "-v=", 3)
              ||  !strncmp(argV[parmInd], "-V=", 3))
        {
            const char* const parm = &argV[parmInd][3];

            if (!strcmp(parm, "never"))
                valScheme = SAXParser::Val_Never;
            else if (!strcmp(parm, "auto"))
                valScheme = SAXParser::Val_Auto;
            else if (!strcmp(parm, "always"))
                valScheme = SAXParser::Val_Always;
            else
            {
                XERCES_STD_QUALIFIER cerr << "Unknown -v= value: " << parm << XERCES_STD_QUALIFIER endl;
                XMLPlatformUtils::Terminate();
                return 2;
            }
        }
         else if (!strcmp(argV[parmInd], "-n")
              ||  !strcmp(argV[parmInd], "-N"))
        {
            doNamespaces = true;
        }
         else if (!strcmp(argV[parmInd], "-s")
              ||  !strcmp(argV[parmInd], "-S"))
        {
            doSchema = true;
        }
         else if (!strcmp(argV[parmInd], "-f")
              ||  !strcmp(argV[parmInd], "-F"))
        {
            schemaFullChecking = true;
        }
        else
        {
            XERCES_STD_QUALIFIER cerr << "Unknown option '" << argV[parmInd]
                << "', ignoring it\n" << XERCES_STD_QUALIFIER endl;
        }
    }

    //
    //  And now we have to have only one parameter left and it must be
    //  the file name.
    //
    if (parmInd + 1 != argC)
    {
        usage();
        XMLPlatformUtils::Terminate();
        return 1;
    }
    xmlFile = argV[parmInd];
    int errorCount = 0;

    //
    //  Create a SAX parser object to use and create our SAX event handlers
    //  and plug them in.
    //
    SAXParser* parser = new SAXParser;
    PParseHandlers handler;
    parser->setDocumentHandler(&handler);
    parser->setErrorHandler(&handler);
    parser->setValidationScheme(valScheme);
    parser->setDoNamespaces(doNamespaces);
    parser->setDoSchema(doSchema);
    parser->setValidationSchemaFullChecking(schemaFullChecking);

    //
    //  Ok, lets do the progressive parse loop. On each time around the
    //  loop, we look and see if the handler has found what its looking
    //  for. When it does, we fall out then.
    //
    unsigned long duration;
    int errorCode = 0;
    try
    {
        // Create a progressive scan token
        XMLPScanToken token;

        const unsigned long startMillis = XMLPlatformUtils::getCurrentMillis();
        if (!parser->parseFirst(xmlFile, token))
        {
            XERCES_STD_QUALIFIER cerr << "scanFirst() failed\n" << XERCES_STD_QUALIFIER endl;
            XMLPlatformUtils::Terminate();
            return 1;
        }

        //
        //  We started ok, so lets call scanNext() until we find what we want
        //  or hit the end.
        //
        bool gotMore = true;
        while (gotMore && !parser->getErrorCount())
            gotMore = parser->parseNext(token);

        const unsigned long endMillis = XMLPlatformUtils::getCurrentMillis();
        duration = endMillis - startMillis;

        errorCount = parser->getErrorCount();
        //
        //  Reset the parser-> In this simple progrma, since we just exit
        //  now, its not technically required. But, in programs which
        //  would remain open, you should reset after a progressive parse
        //  in case you broke out before the end of the file. This insures
        //  that all opened files, sockets, etc... are closed.
        //
        parser->parseReset(token);
    }
    catch (const OutOfMemoryException&)
    {
        XERCES_STD_QUALIFIER cerr << "OutOfMemoryException" << XERCES_STD_QUALIFIER endl;
        errorCode = 5;
    }
    catch (const XMLException& toCatch)
    {
        XERCES_STD_QUALIFIER cerr << "\nAn error occurred: '" << xmlFile << "'\n"
             << "Exception message is: \n"
             << StrX(toCatch.getMessage())
             << "\n" << XERCES_STD_QUALIFIER endl;
        errorCode = 4;
    }

    if(errorCode) {
        XMLPlatformUtils::Terminate();
        return errorCode;
    }

    if (!errorCount) {
        XERCES_STD_QUALIFIER cout << xmlFile << ": " << duration << " ms ("
            << handler.getElementCount() << " elems, "
            << handler.getAttrCount() << " attrs, "
            << handler.getSpaceCount() << " spaces, "
            << handler.getCharacterCount() << " chars)" << XERCES_STD_QUALIFIER endl;
    }

    //
    //  Delete the parser itself.  Must be done prior to calling Terminate, below.
    //
    delete parser;

    // And call the termination method
    XMLPlatformUtils::Terminate();

    if (errorCount > 0)
        return 4;
    else
        return 0;
}