Subversion-Projekte lars-tiefland.prado

/*

	cssQuery, version 2.0.2 (2005-08-19)

	Copyright: 2004-2005, Dean Edwards (http://dean.edwards.name/)

	License: http://creativecommons.org/licenses/LGPL/2.1/

*/

cssQuery.addModule("css-level2", function() {

// -----------------------------------------------------------------------

// selectors

// -----------------------------------------------------------------------

// child selector

selectors[">"] = function($results, $from, $tagName, $namespace) {

	var $element, i, j;

	for (i = 0; i < $from.length; i++) {

		var $subset = childElements($from[i]);

		for (j = 0; ($element = $subset[j]); j++)

			if (compareTagName($element, $tagName, $namespace))

				$results.push($element);

	}

};

// sibling selector

selectors["+"] = function($results, $from, $tagName, $namespace) {

	for (var i = 0; i < $from.length; i++) {

		var $element = nextElementSibling($from[i]);

		if ($element && compareTagName($element, $tagName, $namespace))

			$results.push($element);

	}

};

// attribute selector

selectors["@"] = function($results, $from, $attributeSelectorID) {

	var $test = attributeSelectors[$attributeSelectorID].test;

	var $element, i;

	for (i = 0; ($element = $from[i]); i++)

		if ($test($element)) $results.push($element);

};

// -----------------------------------------------------------------------

// pseudo-classes

// -----------------------------------------------------------------------

pseudoClasses["first-child"] = function($element) {

	return !previousElementSibling($element);

};

pseudoClasses["lang"] = function($element, $code) {

	$code = new RegExp("^" + $code, "i");

	while ($element && !$element.getAttribute("lang")) $element = $element.parentNode;

	return $element && $code.test($element.getAttribute("lang"));

};

// -----------------------------------------------------------------------

//  attribute selectors

// -----------------------------------------------------------------------

// constants

AttributeSelector.NS_IE = /\\:/g;

AttributeSelector.PREFIX = "@";

// properties

AttributeSelector.tests = {};

// methods

AttributeSelector.replace = function($match, $attribute, $namespace, $compare, $value) {

	var $key = this.PREFIX + $match;

	if (!attributeSelectors[$key]) {

		$attribute = this.create($attribute, $compare || "", $value || "");

		// store the selector

		attributeSelectors[$key] = $attribute;

		attributeSelectors.push($attribute);

	}

	return attributeSelectors[$key].id;

};

AttributeSelector.parse = function($selector) {

	$selector = $selector.replace(this.NS_IE, "|");

	var $match;

	while ($match = $selector.match(this.match)) {

		var $replace = this.replace($match[0], $match[1], $match[2], $match[3], $match[4]);

		$selector = $selector.replace(this.match, $replace);

	}

	return $selector;

};

AttributeSelector.create = function($propertyName, $test, $value) {

	var $attributeSelector = {};

	$attributeSelector.id = this.PREFIX + attributeSelectors.length;

	$attributeSelector.name = $propertyName;

	$test = this.tests[$test];

	$test = $test ? $test(this.getAttribute($propertyName), getText($value)) : false;

	$attributeSelector.test = new Function("e", "return " + $test);

	return $attributeSelector;

};

AttributeSelector.getAttribute = function($name) {

	switch ($name.toLowerCase()) {

		case "id":

			return "e.id";

		case "class":

			return "e.className";

		case "for":

			return "e.htmlFor";

		case "href":

			if (isMSIE) {

				// IE always returns the full path not the fragment in the href attribute

				//  so we RegExp it out of outerHTML. Opera does the same thing but there

				//  is no way to get the original attribute.

				return "String((e.outerHTML.match(/href=\\x22?([^\\s\\x22]*)\\x22?/)||[])[1]||'')";

			}

	}

	return "e.getAttribute('" + $name.replace($NAMESPACE, ":") + "')";

};

// -----------------------------------------------------------------------

//  attribute selector tests

// -----------------------------------------------------------------------

AttributeSelector.tests[""] = function($attribute) {

	return $attribute;

};

AttributeSelector.tests["="] = function($attribute, $value) {

	return $attribute + "==" + Quote.add($value);

};

AttributeSelector.tests["~="] = function($attribute, $value) {

	return "/(^| )" + regEscape($value) + "( |$)/.test(" + $attribute + ")";

};

AttributeSelector.tests["|="] = function($attribute, $value) {

	return "/^" + regEscape($value) + "(-|$)/.test(" + $attribute + ")";

};

// -----------------------------------------------------------------------

//  parsing

// -----------------------------------------------------------------------

// override parseSelector to parse out attribute selectors

var _parseSelector = parseSelector;

parseSelector = function($selector) {

	return _parseSelector(AttributeSelector.parse($selector));

};

}); // addModule