cargilld 2004/09/27 21:42:21
Modified: c/samples/SCMPrint SCMPrint.cpp
Log:
Update sample to use an error handler and only generate xsmodel when a schema
document has been loaded successfully.
Revision Changes Path
1.5 +107 -16 xml-xerces/c/samples/SCMPrint/SCMPrint.cpp
Index: SCMPrint.cpp
===================================================================
RCS file: /home/cvs/xml-xerces/c/samples/SCMPrint/SCMPrint.cpp,v
retrieving revision 1.4
retrieving revision 1.5
diff -u -r1.4 -r1.5
--- SCMPrint.cpp 8 Sep 2004 13:55:34 -0000 1.4
+++ SCMPrint.cpp 28 Sep 2004 04:42:21 -0000 1.5
@@ -16,6 +16,9 @@
/*
* $Log$
+ * Revision 1.5 2004/09/28 04:42:21 cargilld
+ * Update sample to use an error handler and only generate xsmodel when a schema
document has been loaded successfully.
+ *
* Revision 1.4 2004/09/08 13:55:34 peiyongz
* Apache License Version 2.0
*
@@ -54,6 +57,7 @@
#include <stdlib.h>
#include <string.h>
#include <xercesc/util/OutOfMemoryException.hpp>
+#include <xercesc/sax2/DefaultHandler.hpp>
XERCES_CPP_NAMESPACE_USE
@@ -116,6 +120,73 @@
return target;
}
+class SCMPrintHandler : public DefaultHandler
+{
+public:
+ // -----------------------------------------------------------------------
+ // Constructors and Destructor
+ // -----------------------------------------------------------------------
+ SCMPrintHandler();
+ ~SCMPrintHandler();
+
+ bool getSawErrors() const
+ {
+ return fSawErrors;
+ }
+
+ void warning(const SAXParseException& exc);
+ void error(const SAXParseException& exc);
+ void fatalError(const SAXParseException& exc);
+ void resetErrors();
+
+
+private:
+ bool fSawErrors;
+};
+
+SCMPrintHandler::SCMPrintHandler() :
+ fSawErrors(false)
+{
+}
+
+SCMPrintHandler::~SCMPrintHandler()
+{
+}
+
+// ---------------------------------------------------------------------------
+// SCMPrintHandler: Overrides of the SAX ErrorHandler interface
+// ---------------------------------------------------------------------------
+void SCMPrintHandler::error(const SAXParseException& e)
+{
+ fSawErrors = true;
+ XERCES_STD_QUALIFIER cerr << "\nError at file " << StrX(e.getSystemId())
+ << ", line " << e.getLineNumber()
+ << ", char " << e.getColumnNumber()
+ << "\n Message: " << StrX(e.getMessage()) << XERCES_STD_QUALIFIER endl;
+}
+
+void SCMPrintHandler::fatalError(const SAXParseException& e)
+{
+ fSawErrors = true;
+ XERCES_STD_QUALIFIER cerr << "\nFatal Error at file " << StrX(e.getSystemId())
+ << ", line " << e.getLineNumber()
+ << ", char " << e.getColumnNumber()
+ << "\n Message: " << StrX(e.getMessage()) << XERCES_STD_QUALIFIER endl;
+}
+
+void SCMPrintHandler::warning(const SAXParseException& e)
+{
+ XERCES_STD_QUALIFIER cerr << "\nWarning at file " << StrX(e.getSystemId())
+ << ", line " << e.getLineNumber()
+ << ", char " << e.getColumnNumber()
+ << "\n Message: " << StrX(e.getMessage()) << XERCES_STD_QUALIFIER endl;
+}
+
+void SCMPrintHandler::resetErrors()
+{
+ fSawErrors = false;
+}
+
// ---------------------------------------------------------------------------
// Local helper methods
// ---------------------------------------------------------------------------
@@ -219,9 +290,13 @@
parser->setFeature(XMLUni::fgSAX2CoreNameSpacePrefixes, false);
parser->setFeature(XMLUni::fgSAX2CoreValidation, true);
parser->setFeature(XMLUni::fgXercesDynamic, true);
+ parser->setProperty(XMLUni::fgXercesScannerName, (void
*)XMLUni::fgSGXMLScanner);
+ SCMPrintHandler handler;
+ parser->setErrorHandler(&handler);
bool more = true;
+ bool parsedOneSchemaOkay = false;
XERCES_STD_QUALIFIER ifstream fin;
// the input is a list file
@@ -234,7 +309,7 @@
}
while (more)
- {
+ {
char fURI[1000];
//initialize the array to zeros
memset(fURI,0,sizeof(fURI));
@@ -258,32 +333,48 @@
}
parser->loadGrammar(xsdFile, Grammar::SchemaGrammarType, true);
+ if (handler.getSawErrors())
+ {
+ handler.resetErrors();
+ }
+ else
+ {
+ parsedOneSchemaOkay = true;
+ }
}
- XERCES_STD_QUALIFIER cout << "********** Printing out information from
Schema **********" << "\n\n";
+ if (parsedOneSchemaOkay)
+ {
+ XERCES_STD_QUALIFIER cout << "********** Printing out information from
Schema **********" << "\n\n";
- XSModel *xsModel = grammarPool->getXSModel();
- if (xsModel)
- {
- StringList *namespaces = xsModel->getNamespaces();
- for (unsigned i = 0; i < namespaces->size(); i++) {
+ XSModel *xsModel = grammarPool->getXSModel();
+ if (xsModel)
+ {
+ StringList *namespaces = xsModel->getNamespaces();
+ for (unsigned i = 0; i < namespaces->size(); i++) {
- XERCES_STD_QUALIFIER cout << "Processing Namespace: ";
- const XMLCh *nameSpace = namespaces->elementAt(i);
- if (nameSpace && (XMLString::stringLen(nameSpace)>0))
- XERCES_STD_QUALIFIER cout << StrX(nameSpace);
- XERCES_STD_QUALIFIER cout <<
"\n============================================" << XERCES_STD_QUALIFIER endl <<
XERCES_STD_QUALIFIER endl;
+ XERCES_STD_QUALIFIER cout << "Processing Namespace: ";
+ const XMLCh *nameSpace = namespaces->elementAt(i);
+ if (nameSpace && (XMLString::stringLen(nameSpace)>0))
+ XERCES_STD_QUALIFIER cout << StrX(nameSpace);
+ XERCES_STD_QUALIFIER cout <<
"\n============================================" << XERCES_STD_QUALIFIER endl <<
XERCES_STD_QUALIFIER endl;
-
processElements(xsModel->getComponentsByNamespace(XSConstants::ELEMENT_DECLARATION,
+
processElements(xsModel->getComponentsByNamespace(XSConstants::ELEMENT_DECLARATION,
nameSpace));
-
processTypeDefinitions(xsModel->getComponentsByNamespace(XSConstants::TYPE_DEFINITION,
+
processTypeDefinitions(xsModel->getComponentsByNamespace(XSConstants::TYPE_DEFINITION,
nameSpace));
- }
+ }
+ }
+ else
+ {
+ XERCES_STD_QUALIFIER cout << "No XSModel to print" << "\n\n";
+ }
}
else
{
- XERCES_STD_QUALIFIER cout << "No XSModel to print" << "\n\n";
+ XERCES_STD_QUALIFIER cout << "Did not parse a schema document cleanly
so not printing Schema for Schema XSModel information";
}
+
XERCES_STD_QUALIFIER cout << XERCES_STD_QUALIFIER endl;
}
catch (const OutOfMemoryException&)
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