/* YUI 3.9.1 (build 5852) Copyright 2013 Yahoo! Inc. http://yuilibrary.com/license/ */
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YUI.add('selector-native', function (Y, NAME) {

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(function(Y) {
/**
 * The selector-native module provides support for native querySelector
 * @module dom
 * @submodule selector-native
 * @for Selector
 */

/**
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 * @static
 * @for Selector
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Y.namespace('Selector'); // allow native module to standalone

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var COMPARE_DOCUMENT_POSITION = 'compareDocumentPosition',
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var Selector = {
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return 1;
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rangeB.setStart(nodeB, 0);
                _yuitest_coverline("build/selector-native/selector-native.js", 78);
compare = rangeA.compareBoundaryPoints(1, rangeB); // 1 === Range.START_TO_END
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return compare;
        
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if (nodes) {
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nodes = Y.Array(nodes, 0, true);
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if (nodes.sort) {
                _yuitest_coverline("build/selector-native/selector-native.js", 89);
nodes.sort(Selector._compare);
            }
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    },

    _deDupe: function(nodes) {
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ret[ret.length] = node;
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node._found = true;
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node.removeAttribute('_found');
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return ret;
    },

    /**
     * Retrieves a set of nodes based on a given CSS selector. 
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     *
     * @param {string} selector The CSS Selector to test the node against.
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    query: function(selector, root, firstOnly, skipNative) {
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var ret = [],
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if (selector && fn) {
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                }
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if (result) {
                    _yuitest_coverline("build/selector-native/selector-native.js", 148);
ret = ret.concat(result);
                }
            }

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if (queries.length > 1) { // remove dupes and sort by doc order 
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ret = Selector._sort(Selector._deDupe(ret));
            }
        }

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return (firstOnly) ? (ret[0] || null) : ret;

    },

    _replaceSelector: function(selector) {
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var esc = Y.Selector._parse('esc', selector), // pull escaped colon, brackets, etc. 
            attrs,
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        // first replace escaped chars, which could be present in attrs or pseudos
        _yuitest_coverline("build/selector-native/selector-native.js", 167);
selector = Y.Selector._replace('esc', selector);

        // then replace pseudos before attrs to avoid replacing :not([foo])
        _yuitest_coverline("build/selector-native/selector-native.js", 170);
pseudos = Y.Selector._parse('pseudo', selector);
        _yuitest_coverline("build/selector-native/selector-native.js", 171);
selector = Selector._replace('pseudo', selector);

        _yuitest_coverline("build/selector-native/selector-native.js", 173);
attrs = Y.Selector._parse('attr', selector);
        _yuitest_coverline("build/selector-native/selector-native.js", 174);
selector = Y.Selector._replace('attr', selector);

        _yuitest_coverline("build/selector-native/selector-native.js", 176);
return {
            esc: esc,
            attrs: attrs,
            pseudos: pseudos,
            selector: selector
        };
    },

    _restoreSelector: function(replaced) {
        _yuitest_coverfunc("build/selector-native/selector-native.js", "_restoreSelector", 184);
_yuitest_coverline("build/selector-native/selector-native.js", 185);
var selector = replaced.selector;
        _yuitest_coverline("build/selector-native/selector-native.js", 186);
selector = Y.Selector._restore('attr', selector, replaced.attrs);
        _yuitest_coverline("build/selector-native/selector-native.js", 187);
selector = Y.Selector._restore('pseudo', selector, replaced.pseudos);
        _yuitest_coverline("build/selector-native/selector-native.js", 188);
selector = Y.Selector._restore('esc', selector, replaced.esc);
        _yuitest_coverline("build/selector-native/selector-native.js", 189);
return selector;
    },

    _replaceCommas: function(selector) {
        _yuitest_coverfunc("build/selector-native/selector-native.js", "_replaceCommas", 192);
_yuitest_coverline("build/selector-native/selector-native.js", 193);
var replaced = Y.Selector._replaceSelector(selector),
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if (selector) {
            _yuitest_coverline("build/selector-native/selector-native.js", 197);
selector = selector.replace(/,/g, '\uE007');
            _yuitest_coverline("build/selector-native/selector-native.js", 198);
replaced.selector = selector;
            _yuitest_coverline("build/selector-native/selector-native.js", 199);
selector = Y.Selector._restoreSelector(replaced);
        }
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return selector;
    },

    // allows element scoped queries to begin with combinator
    // e.g. query('> p', document.body) === query('body > p')
    _splitQueries: function(selector, node) {
        _yuitest_coverfunc("build/selector-native/selector-native.js", "_splitQueries", 206);
_yuitest_coverline("build/selector-native/selector-native.js", 207);
if (selector.indexOf(',') > -1) {
            _yuitest_coverline("build/selector-native/selector-native.js", 208);
selector = Y.Selector._replaceCommas(selector);
        }

        _yuitest_coverline("build/selector-native/selector-native.js", 211);
var groups = selector.split('\uE007'), // split on replaced comma token
            queries = [],
            prefix = '',
            id,
            i,
            len;

        _yuitest_coverline("build/selector-native/selector-native.js", 218);
if (node) {
            // enforce for element scoping
            _yuitest_coverline("build/selector-native/selector-native.js", 220);
if (node.nodeType === 1) { // Elements only
                _yuitest_coverline("build/selector-native/selector-native.js", 221);
id = Y.Selector._escapeId(Y.DOM.getId(node));

                _yuitest_coverline("build/selector-native/selector-native.js", 223);
if (!id) {
                    _yuitest_coverline("build/selector-native/selector-native.js", 224);
id = Y.guid();
                    _yuitest_coverline("build/selector-native/selector-native.js", 225);
Y.DOM.setId(node, id);
                }
            
                _yuitest_coverline("build/selector-native/selector-native.js", 228);
prefix = '[id="' + id + '"] ';
            }

            _yuitest_coverline("build/selector-native/selector-native.js", 231);
for (i = 0, len = groups.length; i < len; ++i) {
                _yuitest_coverline("build/selector-native/selector-native.js", 232);
selector =  prefix + groups[i];
                _yuitest_coverline("build/selector-native/selector-native.js", 233);
queries.push([selector, node]);
            }
        }

        _yuitest_coverline("build/selector-native/selector-native.js", 237);
return queries;
    },

    _nativeQuery: function(selector, root, one) {
        _yuitest_coverfunc("build/selector-native/selector-native.js", "_nativeQuery", 240);
_yuitest_coverline("build/selector-native/selector-native.js", 241);
if (Y.UA.webkit && selector.indexOf(':checked') > -1 &&
                (Y.Selector.pseudos && Y.Selector.pseudos.checked)) { // webkit (chrome, safari) fails to pick up "selected"  with "checked"
            _yuitest_coverline("build/selector-native/selector-native.js", 243);
return Y.Selector.query(selector, root, one, true); // redo with skipNative true to try brute query
        }
        _yuitest_coverline("build/selector-native/selector-native.js", 245);
try {
            _yuitest_coverline("build/selector-native/selector-native.js", 246);
return root['querySelector' + (one ? '' : 'All')](selector);
        } catch(e) { // fallback to brute if available
            _yuitest_coverline("build/selector-native/selector-native.js", 248);
return Y.Selector.query(selector, root, one, true); // redo with skipNative true
        }
    },

    filter: function(nodes, selector) {
        _yuitest_coverfunc("build/selector-native/selector-native.js", "filter", 252);
_yuitest_coverline("build/selector-native/selector-native.js", 253);
var ret = [],
            i, node;

        _yuitest_coverline("build/selector-native/selector-native.js", 256);
if (nodes && selector) {
            _yuitest_coverline("build/selector-native/selector-native.js", 257);
for (i = 0; (node = nodes[i++]);) {
                _yuitest_coverline("build/selector-native/selector-native.js", 258);
if (Y.Selector.test(node, selector)) {
                    _yuitest_coverline("build/selector-native/selector-native.js", 259);
ret[ret.length] = node;
                }
            }
        } else {
        }

        _yuitest_coverline("build/selector-native/selector-native.js", 265);
return ret;
    },

    test: function(node, selector, root) {
        _yuitest_coverfunc("build/selector-native/selector-native.js", "test", 268);
_yuitest_coverline("build/selector-native/selector-native.js", 269);
var ret = false,
            useFrag = false,
            groups,
            parent,
            item,
            items,
            frag,
            id,
            i, j, group;

        _yuitest_coverline("build/selector-native/selector-native.js", 279);
if (node && node.tagName) { // only test HTMLElements

            _yuitest_coverline("build/selector-native/selector-native.js", 281);
if (typeof selector == 'function') { // test with function
                _yuitest_coverline("build/selector-native/selector-native.js", 282);
ret = selector.call(node, node);
            } else { // test with query
                // we need a root if off-doc
                _yuitest_coverline("build/selector-native/selector-native.js", 285);
groups = selector.split(',');
                _yuitest_coverline("build/selector-native/selector-native.js", 286);
if (!root && !Y.DOM.inDoc(node)) {
                    _yuitest_coverline("build/selector-native/selector-native.js", 287);
parent = node.parentNode;
                    _yuitest_coverline("build/selector-native/selector-native.js", 288);
if (parent) { 
                        _yuitest_coverline("build/selector-native/selector-native.js", 289);
root = parent;
                    } else { // only use frag when no parent to query
                        _yuitest_coverline("build/selector-native/selector-native.js", 291);
frag = node[OWNER_DOCUMENT].createDocumentFragment();
                        _yuitest_coverline("build/selector-native/selector-native.js", 292);
frag.appendChild(node);
                        _yuitest_coverline("build/selector-native/selector-native.js", 293);
root = frag;
                        _yuitest_coverline("build/selector-native/selector-native.js", 294);
useFrag = true;
                    }
                }
                _yuitest_coverline("build/selector-native/selector-native.js", 297);
root = root || node[OWNER_DOCUMENT];

                _yuitest_coverline("build/selector-native/selector-native.js", 299);
id = Y.Selector._escapeId(Y.DOM.getId(node));
                _yuitest_coverline("build/selector-native/selector-native.js", 300);
if (!id) {
                    _yuitest_coverline("build/selector-native/selector-native.js", 301);
id = Y.guid();
                    _yuitest_coverline("build/selector-native/selector-native.js", 302);
Y.DOM.setId(node, id);
                }

                _yuitest_coverline("build/selector-native/selector-native.js", 305);
for (i = 0; (group = groups[i++]);) { // TODO: off-dom test
                    _yuitest_coverline("build/selector-native/selector-native.js", 306);
group += '[id="' + id + '"]';
                    _yuitest_coverline("build/selector-native/selector-native.js", 307);
items = Y.Selector.query(group, root);

                    _yuitest_coverline("build/selector-native/selector-native.js", 309);
for (j = 0; item = items[j++];) {
                        _yuitest_coverline("build/selector-native/selector-native.js", 310);
if (item === node) {
                            _yuitest_coverline("build/selector-native/selector-native.js", 311);
ret = true;
                            _yuitest_coverline("build/selector-native/selector-native.js", 312);
break;
                        }
                    }
                    _yuitest_coverline("build/selector-native/selector-native.js", 315);
if (ret) {
                        _yuitest_coverline("build/selector-native/selector-native.js", 316);
break;
                    }
                }

                _yuitest_coverline("build/selector-native/selector-native.js", 320);
if (useFrag) { // cleanup
                    _yuitest_coverline("build/selector-native/selector-native.js", 321);
frag.removeChild(node);
                }
            }_yuitest_coverline("build/selector-native/selector-native.js", 323);
;
        }

        _yuitest_coverline("build/selector-native/selector-native.js", 326);
return ret;
    },

    /**
     * A convenience function to emulate Y.Node's aNode.ancestor(selector).
     * @param {HTMLElement} element An HTMLElement to start the query from.
     * @param {String} selector The CSS selector to test the node against.
     * @return {HTMLElement} The ancestor node matching the selector, or null.
     * @param {Boolean} testSelf optional Whether or not to include the element in the scan 
     * @static
     * @method ancestor
     */
    ancestor: function (element, selector, testSelf) {
        _yuitest_coverfunc("build/selector-native/selector-native.js", "ancestor", 338);
_yuitest_coverline("build/selector-native/selector-native.js", 339);
return Y.DOM.ancestor(element, function(n) {
            _yuitest_coverfunc("build/selector-native/selector-native.js", "(anonymous 5)", 339);
_yuitest_coverline("build/selector-native/selector-native.js", 340);
return Y.Selector.test(n, selector);
        }, testSelf);
    },

    _parse: function(name, selector) {
        _yuitest_coverfunc("build/selector-native/selector-native.js", "_parse", 344);
_yuitest_coverline("build/selector-native/selector-native.js", 345);
return selector.match(Y.Selector._types[name].re);
    },

    _replace: function(name, selector) {
        _yuitest_coverfunc("build/selector-native/selector-native.js", "_replace", 348);
_yuitest_coverline("build/selector-native/selector-native.js", 349);
var o = Y.Selector._types[name];
        _yuitest_coverline("build/selector-native/selector-native.js", 350);
return selector.replace(o.re, o.token);
    },

    _restore: function(name, selector, items) {
        _yuitest_coverfunc("build/selector-native/selector-native.js", "_restore", 353);
_yuitest_coverline("build/selector-native/selector-native.js", 354);
if (items) {
            _yuitest_coverline("build/selector-native/selector-native.js", 355);
var token = Y.Selector._types[name].token,
                i, len;
            _yuitest_coverline("build/selector-native/selector-native.js", 357);
for (i = 0, len = items.length; i < len; ++i) {
                _yuitest_coverline("build/selector-native/selector-native.js", 358);
selector = selector.replace(token, items[i]);
            }
        }
        _yuitest_coverline("build/selector-native/selector-native.js", 361);
return selector;
    }
};

_yuitest_coverline("build/selector-native/selector-native.js", 365);
Y.mix(Y.Selector, Selector, true);

})(Y);


}, '3.9.1', {"requires": ["dom-base"]});
