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• get_xpath.js

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com.jaeksoft.searchlib.crawler.web.browser.get_xpath.js Maven / Gradle / Ivy

this.getElementTreeXPath = function(element) {
	var paths = [];
	for (; element && element.nodeType == 1; element = element.parentNode) {
		var index = 0;
		for ( var sibling = element.previousSibling; sibling; sibling = sibling.previousSibling) {
			if (sibling.nodeType == Node.DOCUMENT_TYPE_NODE)
				continue;
			if (sibling.nodeName == element.nodeName)
				++index;
		}
		var tagName = element.nodeName.toLowerCase();
		var pathIndex = (index ? "[" + (index + 1) + "]" : "");
		paths.splice(0, 0, tagName + pathIndex);
	}
	return paths.length ? "/" + paths.join("/") : null;
};
return this.getElementTreeXPath(arguments[0]);