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Diffstat (limited to 'lib/dojo/selector/lite.js.uncompressed.js')
-rw-r--r-- | lib/dojo/selector/lite.js.uncompressed.js | 264 |
1 files changed, 0 insertions, 264 deletions
diff --git a/lib/dojo/selector/lite.js.uncompressed.js b/lib/dojo/selector/lite.js.uncompressed.js deleted file mode 100644 index 374f7a2ad..000000000 --- a/lib/dojo/selector/lite.js.uncompressed.js +++ /dev/null @@ -1,264 +0,0 @@ -define("dojo/selector/lite", ["../has", "../_base/kernel"], function(has, dojo){ -"use strict"; -// summary: -// A small lightweight query selector engine that implements CSS2.1 selectors -// minus pseudo-classes and the sibling combinator, plus CSS3 attribute selectors -var testDiv = document.createElement("div"); -var matchesSelector = testDiv.matchesSelector || testDiv.webkitMatchesSelector || testDiv.mozMatchesSelector || testDiv.msMatchesSelector || testDiv.oMatchesSelector; // IE9, WebKit, Firefox have this, but not Opera yet -var querySelectorAll = testDiv.querySelectorAll; -has.add("dom-matches-selector", !!matchesSelector); -has.add("dom-qsa", !!querySelectorAll); - -// this is a simple query engine. It has handles basic selectors, and for simple -// common selectors is extremely fast -var liteEngine = function(selector, root){ - if(combine && selector.indexOf(',') > -1){ - return combine(selector, root); - } - var match = (querySelectorAll ? - /^([\w]*)#([\w\-]+$)|^(\.)([\w\-\*]+$)|^(\w+$)/ : // this one only matches on simple queries where we can beat qSA with specific methods - /^([\w]*)#([\w\-]+)(?:\s+(.*))?$|(?:^|(>|.+\s+))([\w\-\*]+)(\S*$)/) // this one matches parts of the query that we can use to speed up manual filtering - .exec(selector); - root = root || document; - if(match){ - // fast path regardless of whether or not querySelectorAll exists - if(match[2]){ - // an #id - // use dojo.byId if available as it fixes the id retrieval in IE - var found = dojo.byId ? dojo.byId(match[2]) : document.getElementById(match[2]); - if(!found || (match[1] && match[1] != found.tagName.toLowerCase())){ - // if there is a tag qualifer and it doesn't match, no matches - return []; - } - if(root != document){ - // there is a root element, make sure we are a child of it - var parent = found; - while(parent != root){ - parent = parent.parentNode; - if(!parent){ - return []; - } - } - } - return match[3] ? - liteEngine(match[3], found) - : [found]; - } - if(match[3] && root.getElementsByClassName){ - // a .class - return root.getElementsByClassName(match[4]); - } - var found; - if(match[5]){ - // a tag - found = root.getElementsByTagName(match[5]); - if(match[4] || match[6]){ - selector = (match[4] || "") + match[6]; - }else{ - // that was the entirety of the query, return results - return found; - } - } - } - if(querySelectorAll){ - // qSA works strangely on Element-rooted queries - // We can work around this by specifying an extra ID on the root - // and working up from there (Thanks to Andrew Dupont for the technique) - // IE 8 doesn't work on object elements - if (root.nodeType === 1 && root.nodeName.toLowerCase() !== "object"){ - return useRoot(root, selector, root.querySelectorAll); - }else{ - // we can use the native qSA - return root.querySelectorAll(selector); - } - }else if(!found){ - // search all children and then filter - found = root.getElementsByTagName("*"); - } - // now we filter the nodes that were found using the matchesSelector - var results = []; - for(var i = 0, l = found.length; i < l; i++){ - var node = found[i]; - if(node.nodeType == 1 && jsMatchesSelector(node, selector, root)){ - // keep the nodes that match the selector - results.push(node); - } - } - return results; -}; -var useRoot = function(context, query, method){ - // this function creates a temporary id so we can do rooted qSA queries, this is taken from sizzle - var oldContext = context, - old = context.getAttribute( "id" ), - nid = old || "__dojo__", - hasParent = context.parentNode, - relativeHierarchySelector = /^\s*[+~]/.test( query ); - - if(relativeHierarchySelector && !hasParent){ - return []; - } - if(!old){ - context.setAttribute("id", nid); - }else{ - nid = nid.replace(/'/g, "\\$&"); - } - if(relativeHierarchySelector && hasParent){ - context = context.parentNode; - } - - try { - return method.call(context, "[id='" + nid + "'] " + query ); - } finally { - if ( !old ) { - oldContext.removeAttribute( "id" ); - } - } -}; - -if(!has("dom-matches-selector")){ - var jsMatchesSelector = (function(){ - // a JS implementation of CSS selector matching, first we start with the various handlers - var caseFix = testDiv.tagName == "div" ? "toLowerCase" : "toUpperCase"; - function tag(tagName){ - tagName = tagName[caseFix](); - return function(node){ - return node.tagName == tagName; - } - } - function className(className){ - var classNameSpaced = ' ' + className + ' '; - return function(node){ - return node.className.indexOf(className) > -1 && (' ' + node.className + ' ').indexOf(classNameSpaced) > -1; - } - } - var attrComparators = { - "^=": function(attrValue, value){ - return attrValue.indexOf(value) == 0; - }, - "*=": function(attrValue, value){ - return attrValue.indexOf(value) > -1; - }, - "$=": function(attrValue, value){ - return attrValue.substring(attrValue.length - value.length, attrValue.length) == value; - }, - "~=": function(attrValue, value){ - return (' ' + attrValue + ' ').indexOf(' ' + value + ' ') > -1; - }, - "|=": function(attrValue, value){ - return (attrValue + '-').indexOf(value + '-') == 0; - }, - "=": function(attrValue, value){ - return attrValue == value; - }, - "": function(attrValue, value){ - return true; - } - }; - function attr(name, value, type){ - if(value.match(/['"]/)){ - // it is quoted, do an eval to parse the string (CSS and JS parsing are close enough) - value = eval(value); - } - var comparator = attrComparators[type || ""]; - return function(node){ - var attrValue = node.getAttribute(name); - return attrValue && comparator(attrValue, value); - } - } - function ancestor(matcher){ - return function(node, root){ - while((node = node.parentNode) != root){ - if(matcher(node, root)){ - return true; - } - } - }; - } - function parent(matcher){ - return function(node, root){ - node = node.parentNode; - return matcher ? - node != root && matcher(node, root) - : node == root; - }; - } - var cache = {}; - function and(matcher, next){ - return matcher ? - function(node, root){ - return next(node) && matcher(node, root); - } - : next; - } - return function(node, selector, root){ - // this returns true or false based on if the node matches the selector (optionally within the given root) - var matcher = cache[selector]; // check to see if we have created a matcher function for the given selector - if(!matcher){ - // create a matcher function for the given selector - // parse the selectors - if(selector.replace(/(?:\s*([> ])\s*)|(\.)?([\w-]+)|\[([\w-]+)\s*(.?=)?\s*([^\]]*)\]/g, function(t, combinator, type, value, attrName, attrType, attrValue){ - if(value){ - if(type == "."){ - matcher = and(matcher, className(value)); - } - else{ - matcher = and(matcher, tag(value)); - } - } - else if(combinator){ - matcher = (combinator == " " ? ancestor : parent)(matcher); - } - else if(attrName){ - matcher = and(matcher, attr(attrName, attrValue, attrType)); - } - return ""; - })){ - throw new Error("Syntax error in query"); - } - if(!matcher){ - return true; - } - cache[selector] = matcher; - } - // now run the matcher function on the node - return matcher(node, root); - }; - })(); -} -if(!has("dom-qsa")){ - var combine = function(selector, root){ - // combined queries - selector = selector.split(/\s*,\s*/); - var indexed = []; - // add all results and keep unique ones, this only runs in IE, so we take advantage - // of known IE features, particularly sourceIndex which is unique and allows us to - // order the results - for(var i = 0; i < selector.length; i++){ - var results = liteEngine(selector[i], root); - for(var j = 0, l = results.length; j < l; j++){ - var node = results[j]; - indexed[node.sourceIndex] = node; - } - } - // now convert from a sparse array to a dense array - var totalResults = []; - for(i in indexed){ - totalResults.push(indexed[i]); - } - return totalResults; - }; -} - -liteEngine.match = matchesSelector ? function(node, selector, root){ - if(root){ - // doesn't support three args, use rooted id trick - return useRoot(root, selector, function(query){ - return matchesSelector.call(node, query); - }); - } - // we have a native matchesSelector, use that - return matchesSelector.call(node, selector); -} : jsMatchesSelector; // otherwise use the JS matches impl - -return liteEngine; -}); |