DOMNode::getAttributes is a method in the C++ library that allows you to retrieve the set of attributes associated with a node as an XMLNamedNodeMap object. The XMLNamedNodeMap object contains a collection of nodes that represent the attributes of the current node. Each node in the map has a nodeName and a nodeValue attribute that correspond to the attribute name and attribute value respectively.
Here are some code examples that demonstrate the use of DOMNode::getAttributes:
1. Example using the Xerces-C++ library:
// Assume doc contains a reference to an XML document DOMNode* node = doc->getDocumentElement(); if (node->getNodeType() == DOMElement::ELEMENT_NODE) { XMLNamedNodeMap* attributes = node->getAttributes(); for (XMLSize_t i = 0; i < attributes->getLength(); i++) { DOMNode* attribute = attributes->item(i); std::cout << attribute->getNodeName() << ": " << attribute->getNodeValue() << std::endl; } }
This code retrieves the XMLNamedNodeMap object that contains the attributes of the document element node, and prints out each attribute's name and value.
2. Example using the libxml2 library:
// Assume doc contains a reference to an XML document xmlNode* node = xmlDocGetRootElement(doc); if (node && node->type == XML_ELEMENT_NODE) { xmlAttr* attribute = node->properties; while (attribute != nullptr) { std::cout << attribute->name << ": " << attribute->children->content << std::endl; attribute = attribute->next; } }
This code retrieves the xmlAttr object that contains the attributes of the document element node, and prints out each attribute's name and value.
In conclusion, DOMNode::getAttributes is a useful method that allows you to access the attributes of an XML node. The examples provided use the Xerces-C++ library and the libxml2 library, respectively.
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