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;
}
// ---------------------------------------------------------------------------
// 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;
}
