From ad024c8bc30c235a8b0f60a01971cc3423cf5e01 Mon Sep 17 00:00:00 2001
From: Neil Graham <neilg@apache.org>
Date: Wed, 10 Dec 2003 23:48:53 +0000
Subject: [PATCH] make CreateDOMDocument sample more robust; thanks to Steve
Dulin
git-svn-id: https://svn.apache.org/repos/asf/xerces/c/trunk@175534 13f79535-47bb-0310-9956-ffa450edef68
---
.../CreateDOMDocument/CreateDOMDocument.cpp | 129 ++++++++++--------
1 file changed, 75 insertions(+), 54 deletions(-)
diff --git a/samples/CreateDOMDocument/CreateDOMDocument.cpp b/samples/CreateDOMDocument/CreateDOMDocument.cpp
index 5b77c1c26..d9bd11211 100644
--- a/samples/CreateDOMDocument/CreateDOMDocument.cpp
+++ b/samples/CreateDOMDocument/CreateDOMDocument.cpp
@@ -1,7 +1,7 @@
/*
* The Apache Software License, Version 1.1
*
- * Copyright (c) 1999-2001 The Apache Software Foundation. All rights
+ * Copyright (c) 1999-2003 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -151,7 +151,7 @@ int main(int argC, char* argV[])
" CreateDOMDocument\n\n"
"This program creates a new DOM document from scratch in memory.\n"
"It then prints the count of elements in the tree.\n"
- << XERCES_STD_QUALIFIER endl;
+ << XERCES_STD_QUALIFIER endl;
errorCode = 1;
}
if(errorCode) {
@@ -159,59 +159,80 @@ int main(int argC, char* argV[])
return errorCode;
}
- {
- // Nest entire test in an inner block.
- // The tree we create below is the same that the XercesDOMParser would
- // have created, except that no whitespace text nodes would be created.
-
- // <company>
- // <product>Xerces-C</product>
- // <category idea='great'>XML Parsing Tools</category>
- // <developedBy>Apache Software Foundation</developedBy>
- // </company>
-
- DOMImplementation* impl = DOMImplementationRegistry::getDOMImplementation(X("Core"));
-
- DOMDocument* doc = impl->createDocument(
- 0, // root element namespace URI.
- X("company"), // root element name
- 0); // document type object (DTD).
-
- DOMElement* rootElem = doc->getDocumentElement();
-
- DOMElement* prodElem = doc->createElement(X("product"));
- rootElem->appendChild(prodElem);
-
- DOMText* prodDataVal = doc->createTextNode(X("Xerces-C"));
- prodElem->appendChild(prodDataVal);
-
- DOMElement* catElem = doc->createElement(X("category"));
- rootElem->appendChild(catElem);
-
- catElem->setAttribute(X("idea"), X("great"));
-
- DOMText* catDataVal = doc->createTextNode(X("XML Parsing Tools"));
- catElem->appendChild(catDataVal);
-
- DOMElement* devByElem = doc->createElement(X("developedBy"));
- rootElem->appendChild(devByElem);
-
- DOMText* devByDataVal = doc->createTextNode(X("Apache Software Foundation"));
- devByElem->appendChild(devByDataVal);
-
- //
- // Now count the number of elements in the above DOM tree.
- //
-
- unsigned int elementCount = doc->getElementsByTagName(X("*"))->getLength();
- XERCES_STD_QUALIFIER cout << "The tree just created contains: " << elementCount
- << " elements." << XERCES_STD_QUALIFIER endl;
-
- doc->release();
-
+ {
+ // Nest entire test in an inner block.
+ // The tree we create below is the same that the XercesDOMParser would
+ // have created, except that no whitespace text nodes would be created.
+
+ // <company>
+ // <product>Xerces-C</product>
+ // <category idea='great'>XML Parsing Tools</category>
+ // <developedBy>Apache Software Foundation</developedBy>
+ // </company>
+
+ DOMImplementation* impl = DOMImplementationRegistry::getDOMImplementation(X("Core"));
+
+ if (impl != NULL)
+ {
+ try
+ {
+ DOMDocument* doc = impl->createDocument(
+ 0, // root element namespace URI.
+ X("company"), // root element name
+ 0); // document type object (DTD).
+
+ DOMElement* rootElem = doc->getDocumentElement();
+
+ DOMElement* prodElem = doc->createElement(X("product"));
+ rootElem->appendChild(prodElem);
+
+ DOMText* prodDataVal = doc->createTextNode(X("Xerces-C"));
+ prodElem->appendChild(prodDataVal);
+
+ DOMElement* catElem = doc->createElement(X("category"));
+ rootElem->appendChild(catElem);
+
+ catElem->setAttribute(X("idea"), X("great"));
+
+ DOMText* catDataVal = doc->createTextNode(X("XML Parsing Tools"));
+ catElem->appendChild(catDataVal);
+
+ DOMElement* devByElem = doc->createElement(X("developedBy"));
+ rootElem->appendChild(devByElem);
+
+ DOMText* devByDataVal = doc->createTextNode(X("Apache Software Foundation"));
+ devByElem->appendChild(devByDataVal);
+
+ //
+ // Now count the number of elements in the above DOM tree.
+ //
+
+ unsigned int elementCount = doc->getElementsByTagName(X("*"))->getLength();
+ XERCES_STD_QUALIFIER cout << "The tree just created contains: " << elementCount
+ << " elements." << XERCES_STD_QUALIFIER endl;
+
+ doc->release();
+ }
+
+ catch (const DOMException& e)
+ {
+ XERCES_STD_QUALIFIER cerr << "DOMException code is: " << e.code << XERCES_STD_QUALIFIER endl;
+ errorCode = 2;
+ }
+ catch (...)
+ {
+ XERCES_STD_QUALIFIER cerr << "An error occurred creating the document" << XERCES_STD_QUALIFIER endl;
+ errorCode = 3;
+ }
+ } // (inpl != NULL)
+ else
+ {
+ XERCES_STD_QUALIFIER cerr << "Requested implementation is not supported" << XERCES_STD_QUALIFIER endl;
+ errorCode = 4;
+ }
}
- XMLPlatformUtils::Terminate();
- return 0;
+ XMLPlatformUtils::Terminate();
+ return errorCode;
}
--
GitLab