84 lines
5.2 KiB
HTML
84 lines
5.2 KiB
HTML
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<title>XQilla DOM3 API Documentation</title>
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<a style="float:right;" href="http://sourceforge.net/projects/xqilla"><img src="http://sflogo.sourceforge.net/sflogo.php?group_id=152021&type=2" border="0" alt="SourceForge.net Logo" /></a>
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<li><a href="index.html"><span>Main Page</span></a></li>
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<li><a href="files.html"><span>Files</span></a></li>
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<li><a href="examples.html"><span>Examples</span></a></li>
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<div class="contents">
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<h1>dom-context-item.cpp</h1>This example parses a document and sets it as the context item. It then executes an XQuery expression that navigates relative to the context item.<p>
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<div class="fragment"><pre class="fragment"><span class="preprocessor">#include <iostream></span>
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<span class="preprocessor">#include <<a class="code" href="DOM_8hpp.html">xercesc/dom/DOM.hpp</a>></span>
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<span class="preprocessor">#include <xercesc/framework/StdOutFormatTarget.hpp></span>
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<span class="preprocessor">#include <<a class="code" href="xqilla-dom3_8hpp.html">xqilla/xqilla-dom3.hpp</a>></span>
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XERCES_CPP_NAMESPACE_USE;
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<span class="keywordtype">int</span> main(<span class="keywordtype">int</span> argc, <span class="keywordtype">char</span> *argv[]) {
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<span class="comment">// Initialise Xerces-C and XQilla using XQillaPlatformUtils</span>
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<a name="a0"></a><a class="code" href="classXQillaPlatformUtils.html#c769d09556ec43ecb94d1822783ba0b8" title="Perform XQilla initialization.">XQillaPlatformUtils::initialize</a>();
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<span class="comment">// Get the XQilla DOMImplementation object</span>
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DOMImplementation *xqillaImplementation =
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DOMImplementationRegistry::getDOMImplementation(X(<span class="stringliteral">"XPath2 3.0"</span>));
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<span class="keywordflow">try</span> {
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<span class="comment">// Create a DOMLSParser object</span>
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<a name="_a1"></a><a class="code" href="classAutoRelease.html">AutoRelease<DOMLSParser></a> parser(xqillaImplementation->createLSParser(DOMImplementationLS::MODE_SYNCHRONOUS, 0));
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parser->getDomConfig()->setParameter(XMLUni::fgDOMNamespaces, <span class="keyword">true</span>);
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parser->getDomConfig()->setParameter(XMLUni::fgXercesSchema, <span class="keyword">true</span>);
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parser->getDomConfig()->setParameter(XMLUni::fgDOMValidateIfSchema, <span class="keyword">true</span>);
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<span class="comment">// Parse a DOMDocument</span>
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DOMDocument *document = parser->parseURI(<span class="stringliteral">"foo.xml"</span>);
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<span class="keywordflow">if</span>(document == 0) {
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std::cerr << <span class="stringliteral">"Document not found."</span> << std::endl;
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<span class="keywordflow">return</span> 1;
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}
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<span class="comment">// Parse an XPath 2 expression</span>
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<a class="code" href="classAutoRelease.html">AutoRelease<DOMXPathExpression></a> expression(document->createExpression(X(<span class="stringliteral">"foo/bar/@baz"</span>), 0));
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<span class="comment">// Execute the query</span>
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<a class="code" href="classAutoRelease.html">AutoRelease<DOMXPathResult></a> result(expression->evaluate(document, DOMXPathResult::ITERATOR_RESULT_TYPE, 0));
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<span class="comment">// Create a DOMLSSerializer to output the nodes</span>
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<a class="code" href="classAutoRelease.html">AutoRelease<DOMLSSerializer></a> serializer(xqillaImplementation->createLSSerializer());
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<a class="code" href="classAutoRelease.html">AutoRelease<DOMLSOutput></a> output(xqillaImplementation->createLSOutput());
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StdOutFormatTarget target;
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output->setByteStream(&target);
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<span class="comment">// Iterate over the results, printing them</span>
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<span class="keywordflow">while</span>(result->iterateNext()) {
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serializer->write(result->getNodeValue(), output);
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std::cout << std::endl;
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}
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}
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<span class="keywordflow">catch</span>(XQillaException &e) {
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std::cerr << <span class="stringliteral">"XQillaException: "</span> << UTF8(e.getString()) << std::endl;
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<span class="keywordflow">return</span> 1;
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}
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<span class="comment">// Terminate Xerces-C and XQilla using XQillaPlatformUtils</span>
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<a name="a2"></a><a class="code" href="classXQillaPlatformUtils.html#0bd04a35d4cb26894497c6ff4d8e2105" title="Perform XQilla termination.">XQillaPlatformUtils::terminate</a>();
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<span class="keywordflow">return</span> 0;
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}
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</pre></div> </div>
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<hr size="1"><address style="text-align: right;"><small>Generated on Mon Jan 5 19:54:34 2009 for XQilla DOM Level 3 API by
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<a href="http://www.doxygen.org/index.html">
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<img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.5 </small></address>
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