summaryrefslogtreecommitdiff
path: root/lib/dojo/_base/query.js
diff options
context:
space:
mode:
Diffstat (limited to 'lib/dojo/_base/query.js')
-rw-r--r--lib/dojo/_base/query.js261
1 files changed, 169 insertions, 92 deletions
diff --git a/lib/dojo/_base/query.js b/lib/dojo/_base/query.js
index 7b9878e47..59411952f 100644
--- a/lib/dojo/_base/query.js
+++ b/lib/dojo/_base/query.js
@@ -1,5 +1,5 @@
/*
- Copyright (c) 2004-2010, The Dojo Foundation All Rights Reserved.
+ Copyright (c) 2004-2011, The Dojo Foundation All Rights Reserved.
Available via Academic Free License >= 2.1 OR the modified BSD license.
see: http://dojotoolkit.org/license for details
*/
@@ -7,12 +7,7 @@
if(!dojo._hasResource["dojo._base.query"]){ //_hasResource checks added by build. Do not use _hasResource directly in your code.
dojo._hasResource["dojo._base.query"] = true;
-if(typeof dojo != "undefined"){
- dojo.provide("dojo._base.query");
- dojo.require("dojo._base.NodeList");
- dojo.require("dojo._base.lang");
-
-}
+(function(){
/*
dojo.query() architectural overview:
@@ -46,7 +41,7 @@ if(typeof dojo != "undefined"){
5.) matched nodes are pruned to ensure they are unique (if necessary)
*/
-;(function(d){
+var defineQuery= function(d){
// define everything in a closure for compressability reasons. "d" is an
// alias to "dojo" (or the toolkit alias object, e.g., "acme").
@@ -54,7 +49,7 @@ if(typeof dojo != "undefined"){
// Toolkit aliases
////////////////////////////////////////////////////////////////////////
- // if you are extracing dojo.query for use in your own system, you will
+ // if you are extracting dojo.query for use in your own system, you will
// need to provide these methods and properties. No other porting should be
// necessary, save for configuring the system to use a class other than
// dojo.NodeList as the return instance instantiator
@@ -65,7 +60,7 @@ if(typeof dojo != "undefined"){
// d.isOpera; // float
// d.isWebKit; // float
// d.doc ; // document element
- var qlc = d._NodeListCtor = d.NodeList;
+ var qlc = (d._NodeListCtor = d.NodeList);
var getDoc = function(){ return d.doc; };
// NOTE(alex): the spec is idiotic. CSS queries should ALWAYS be case-sensitive, but nooooooo
@@ -96,7 +91,7 @@ if(typeof dojo != "undefined"){
////////////////////////////////////////////////////////////////////////
var getQueryParts = function(query){
- // summary:
+ // summary:
// state machine for query tokenization
// description:
// instead of using a brittle and slow regex-based CSS parser,
@@ -105,16 +100,16 @@ if(typeof dojo != "undefined"){
// the same query run multiple times or under different root nodes
// does not re-parse the selector expression but instead uses the
// cached data structure. The state machine implemented here
- // terminates on the last " " (space) charachter and returns an
+ // terminates on the last " " (space) character and returns an
// ordered array of query component structures (or "parts"). Each
// part represents an operator or a simple CSS filtering
// expression. The structure for parts is documented in the code
// below.
- // NOTE:
+ // NOTE:
// this code is designed to run fast and compress well. Sacrifices
- // to readibility and maintainability have been made. Your best
+ // to readability and maintainability have been made. Your best
// bet when hacking the tokenizer is to put The Donnas on *really*
// loud (may we recommend their "Spend The Night" release?) and
// just assume you're gonna make mistakes. Keep the unit tests
@@ -130,7 +125,7 @@ if(typeof dojo != "undefined"){
}
var ts = function(/*Integer*/ s, /*Integer*/ e){
- // trim and slice.
+ // trim and slice.
// take an index to start a string slice from and an end position
// and return a trimmed copy of that sub-string
@@ -138,12 +133,12 @@ if(typeof dojo != "undefined"){
}
// the overall data graph of the full query, as represented by queryPart objects
- var queryParts = [];
+ var queryParts = [];
// state keeping vars
- var inBrackets = -1, inParens = -1, inMatchFor = -1,
- inPseudo = -1, inClass = -1, inId = -1, inTag = -1,
+ var inBrackets = -1, inParens = -1, inMatchFor = -1,
+ inPseudo = -1, inClass = -1, inId = -1, inTag = -1,
lc = "", cc = "", pStart;
// iteration vars
@@ -152,7 +147,7 @@ if(typeof dojo != "undefined"){
currentPart = null, // data structure representing the entire clause
_cp = null; // the current pseudo or attr matcher
- // several temporary variables are assigned to this structure durring a
+ // several temporary variables are assigned to this structure during a
// potential sub-expression match:
// attr:
// a string representing the current full attribute match in a
@@ -207,9 +202,9 @@ if(typeof dojo != "undefined"){
// needs to do any iteration. Many simple selectors don't, and
// we can avoid significant construction-time work by advising
// the system to skip them
- currentPart.loops = (
- currentPart.pseudos.length ||
- currentPart.attrs.length ||
+ currentPart.loops = (
+ currentPart.pseudos.length ||
+ currentPart.attrs.length ||
currentPart.classes.length );
currentPart.oquery = currentPart.query = ts(pStart, x); // save the full expression as a string
@@ -239,9 +234,9 @@ if(typeof dojo != "undefined"){
currentPart.infixOper = queryParts.pop();
currentPart.query = currentPart.infixOper.query + " " + currentPart.query;
/*
- console.debug( "swapping out the infix",
- currentPart.infixOper,
- "and attaching it to",
+ console.debug( "swapping out the infix",
+ currentPart.infixOper,
+ "and attaching it to",
currentPart);
*/
}
@@ -250,15 +245,15 @@ if(typeof dojo != "undefined"){
currentPart = null;
}
- // iterate over the query, charachter by charachter, building up a
+ // iterate over the query, character by character, building up a
// list of query part objects
for(; lc=cc, cc=query.charAt(x), x < ql; x++){
// cc: the current character in the match
- // lc: the last charachter (if any)
+ // lc: the last character (if any)
// someone is trying to escape something, so don't try to match any
// fragments. We assume we're inside a literal.
- if(lc == "\\"){ continue; }
+ if(lc == "\\"){ continue; }
if(!currentPart){ // a part was just ended or none has yet been created
// NOTE: I hate all this alloc, but it's shorter than writing tons of if's
pStart = x;
@@ -301,7 +296,7 @@ if(typeof dojo != "undefined"){
// the beginning of a match, which should be a tag name. This
// might fault a little later on, but we detect that and this
// iteration will still be fine.
- inTag = x;
+ inTag = x;
}
if(inBrackets >= 0){
@@ -309,7 +304,7 @@ if(typeof dojo != "undefined"){
if(cc == "]"){ // if we're in a [...] clause and we end, do assignment
if(!_cp.attr){
// no attribute match was previously begun, so we
- // assume this is an attribute existance match in the
+ // assume this is an attribute existence match in the
// form of [someAttributeName]
_cp.attr = ts(inBrackets+1, x);
}else{
@@ -320,19 +315,19 @@ if(typeof dojo != "undefined"){
var cmf = _cp.matchFor;
if(cmf){
// try to strip quotes from the matchFor value. We want
- // [attrName=howdy] to match the same
+ // [attrName=howdy] to match the same
// as [attrName = 'howdy' ]
if( (cmf.charAt(0) == '"') || (cmf.charAt(0) == "'") ){
_cp.matchFor = cmf.slice(1, -1);
}
}
- // end the attribute by adding it to the list of attributes.
+ // end the attribute by adding it to the list of attributes.
currentPart.attrs.push(_cp);
_cp = null; // necessary?
inBrackets = inMatchFor = -1;
}else if(cc == "="){
// if the last char was an operator prefix, make sure we
- // record it along with the "=" operator.
+ // record it along with the "=" operator.
var addToCc = ("|~^$*".indexOf(lc) >=0 ) ? lc : "";
_cp.type = addToCc+cc;
_cp.attr = ts(inBrackets+1, x-addToCc.length);
@@ -341,7 +336,7 @@ if(typeof dojo != "undefined"){
// now look for other clause parts
}else if(inParens >= 0){
// if we're in a parenthetical expression, we need to figure
- // out if it's attached to a pseduo-selector rule like
+ // out if it's attached to a pseudo-selector rule like
// :nth-child(1)
if(cc == ")"){
if(inPseudo >= 0){
@@ -362,7 +357,7 @@ if(typeof dojo != "undefined"){
endAll();
inPseudo = x;
}else if(cc == "["){
- // start of an attribute match.
+ // start of an attribute match.
endAll();
inBrackets = x;
// provide a new structure for the attribute match to fill-in
@@ -376,15 +371,15 @@ if(typeof dojo != "undefined"){
// expression if we're already inside a pseudo-selector match
if(inPseudo >= 0){
// provide a new structure for the pseudo match to fill-in
- _cp = {
- name: ts(inPseudo+1, x),
+ _cp = {
+ name: ts(inPseudo+1, x),
value: null
}
currentPart.pseudos.push(_cp);
}
inParens = x;
}else if(
- (cc == " ") &&
+ (cc == " ") &&
// if it's a space char and the last char is too, consume the
// current one without doing more work
(lc != cc)
@@ -404,7 +399,7 @@ if(typeof dojo != "undefined"){
// the basic building block of the yes/no chaining system. agree(f1,
// f2) generates a new function which returns the boolean results of
// both of the passed functions to a single logical-anded result. If
- // either are not possed, the other is used exclusively.
+ // either are not passed, the other is used exclusively.
if(!first){ return second; }
if(!second){ return first; }
@@ -456,7 +451,7 @@ if(typeof dojo != "undefined"){
}
},
"$=": function(attr, value){
- // E[foo$="bar"]
+ // E[foo$="bar"]
// an E element whose "foo" attribute value ends exactly
// with the string "bar"
var tval = " "+value;
@@ -466,7 +461,7 @@ if(typeof dojo != "undefined"){
}
},
"~=": function(attr, value){
- // E[foo~="bar"]
+ // E[foo~="bar"]
// an E element whose "foo" attribute value is a list of
// space-separated values, one of which is exactly equal
// to "bar"
@@ -532,7 +527,7 @@ if(typeof dojo != "undefined"){
if(!tret){ return -1; }
var l = tret.length;
- // we calcuate the parent length as a cheap way to invalidate the
+ // we calculate the parent length as a cheap way to invalidate the
// cache. It's not 100% accurate, but it's much more honest than what
// other libraries do
if( cl == l && ci >= 0 && cl >= 0 ){
@@ -544,11 +539,11 @@ if(typeof dojo != "undefined"){
root["_l"] = l;
ci = -1;
for(var te = root["firstElementChild"]||root["firstChild"]; te; te = te[_ns]){
- if(_simpleNodeTest(te)){
+ if(_simpleNodeTest(te)){
te["_i"] = ++i;
- if(node === te){
+ if(node === te){
// NOTE:
- // shortcuting the return at this step in indexing works
+ // shortcutting the return at this step in indexing works
// very well for benchmarking but we avoid it here since
// it leads to potential O(n^2) behavior in sequential
// getNodexIndex operations on a previously un-indexed
@@ -579,7 +574,7 @@ if(typeof dojo != "undefined"){
"first-child": function(){ return _lookLeft; },
"last-child": function(){ return _lookRight; },
"only-child": function(name, condition){
- return function(node){
+ return function(node){
if(!_lookLeft(node)){ return false; }
if(!_lookRight(node)){ return false; }
return true;
@@ -610,7 +605,7 @@ if(typeof dojo != "undefined"){
},
"not": function(name, condition){
var p = getQueryParts(condition)[0];
- var ignores = { el: 1 };
+ var ignores = { el: 1 };
if(p.tag != "*"){
ignores.tag = 1;
}
@@ -670,7 +665,7 @@ if(typeof dojo != "undefined"){
}
};
- var defaultGetter = (d.isIE) ? function(cond){
+ var defaultGetter = (d.isIE < 9 || (dojo.isIE && dojo.isQuirks)) ? function(cond){
var clc = cond.toLowerCase();
if(clc == "class"){ cond = "className"; }
return function(elem){
@@ -684,7 +679,7 @@ if(typeof dojo != "undefined"){
var getSimpleFilterFunc = function(query, ignores){
// generates a node tester function based on the passed query part. The
- // query part is one of the structures generatd by the query parser
+ // query part is one of the structures generated by the query parser
// when it creates the query AST. The "ignores" object specifies which
// (if any) tests to skip, allowing the system to avoid duplicating
// work where it may have already been taken into account by other
@@ -715,7 +710,7 @@ if(typeof dojo != "undefined"){
if(isWildcard){
cname = cname.substr(0, cname.length-1);
}
- // I dislike the regex thing, even if memozied in a cache, but it's VERY short
+ // I dislike the regex thing, even if memoized in a cache, but it's VERY short
var re = new RegExp("(?:^|\\s)" + cname + (isWildcard ? ".*" : "") + "(?:\\s|$)");
*/
var re = new RegExp("(?:^|\\s)" + cname + "(?:\\s|$)");
@@ -753,7 +748,7 @@ if(typeof dojo != "undefined"){
if(!("id" in ignores)){
if(query.id){
- ff = agree(ff, function(elem){
+ ff = agree(ff, function(elem){
return (!!elem && (elem.id == query.id));
});
}
@@ -761,7 +756,7 @@ if(typeof dojo != "undefined"){
if(!ff){
if(!("default" in ignores)){
- ff = yesman;
+ ff = yesman;
}
}
return ff;
@@ -812,7 +807,7 @@ if(typeof dojo != "undefined"){
_simpleNodeTest(te) &&
(!bag || _isUnique(te, bag)) &&
(filterFunc(te, x))
- ){
+ ){
ret.push(te);
}
}
@@ -854,7 +849,7 @@ if(typeof dojo != "undefined"){
// filters them. The search may be specialized by infix operators
// (">", "~", or "+") else it will default to searching all
// descendants (the " " selector). Once a group of children is
- // founde, a test function is applied to weed out the ones we
+ // found, a test function is applied to weed out the ones we
// don't want. Many common cases can be fast-pathed. We spend a
// lot of cycles to create a dispatcher that doesn't do more work
// than necessary at any point since, unlike this function, the
@@ -907,7 +902,7 @@ if(typeof dojo != "undefined"){
var filterFunc = getSimpleFilterFunc(query, { el: 1 });
var qt = query.tag;
var wildcardTag = ("*" == qt);
- var ecs = getDoc()["getElementsByClassName"];
+ var ecs = getDoc()["getElementsByClassName"];
if(!oper){
// if there's no infix operator, then it's a descendant query. ID
@@ -917,8 +912,8 @@ if(typeof dojo != "undefined"){
// testing shows that the overhead of yesman() is acceptable
// and can save us some bytes vs. re-defining the function
// everywhere.
- filterFunc = (!query.loops && wildcardTag) ?
- yesman :
+ filterFunc = (!query.loops && wildcardTag) ?
+ yesman :
getSimpleFilterFunc(query, { el: 1, id: 1 });
retFunc = function(root, arr){
@@ -933,9 +928,9 @@ if(typeof dojo != "undefined"){
}
}
}else if(
- ecs &&
+ ecs &&
// isAlien check. Workaround for Prototype.js being totally evil/dumb.
- /\{\s*\[native code\]\s*\}/.test(String(ecs)) &&
+ /\{\s*\[native code\]\s*\}/.test(String(ecs)) &&
query.classes.length &&
!cssCaseBug
){
@@ -1101,8 +1096,8 @@ if(typeof dojo != "undefined"){
// We need te detect the right "internal" webkit version to make this work.
var wk = "WebKit/";
var is525 = (
- d.isWebKit &&
- (nua.indexOf(wk) > 0) &&
+ d.isWebKit &&
+ (nua.indexOf(wk) > 0) &&
(parseFloat(nua.split(wk)[1]) > 528)
);
@@ -1113,7 +1108,7 @@ if(typeof dojo != "undefined"){
var qsa = "querySelectorAll";
var qsaAvail = (
- !!getDoc()[qsa] &&
+ !!getDoc()[qsa] &&
// see #5832
(!d.isSafari || (d.isSafari > 3.1) || is525 )
);
@@ -1142,7 +1137,7 @@ if(typeof dojo != "undefined"){
var domCached = _queryFuncCacheDOM[query];
if(domCached){ return domCached; }
- // TODO:
+ // TODO:
// today we're caching DOM and QSA branches separately so we
// recalc useQSA every time. If we had a way to tag root+query
// efficiently, we'd be in good shape to do a global cache.
@@ -1156,11 +1151,11 @@ if(typeof dojo != "undefined"){
forceDOM = true;
}
- var useQSA = (
+ var useQSA = (
qsaAvail && (!forceDOM) &&
// as per CSS 3, we can't currently start w/ combinator:
// http://www.w3.org/TR/css3-selectors/#w3cselgrammar
- (specials.indexOf(qcz) == -1) &&
+ (specials.indexOf(qcz) == -1) &&
// IE's QSA impl sucks on pseudos
(!d.isIE || (query.indexOf(":") == -1)) &&
@@ -1173,11 +1168,11 @@ if(typeof dojo != "undefined"){
// elements, even though according to spec, selected options should
// match :checked. So go nonQSA for it:
// http://bugs.dojotoolkit.org/ticket/5179
- (query.indexOf(":contains") == -1) && (query.indexOf(":checked") == -1) &&
+ (query.indexOf(":contains") == -1) && (query.indexOf(":checked") == -1) &&
(query.indexOf("|=") == -1) // some browsers don't grok it
);
- // TODO:
+ // TODO:
// if we've got a descendant query (e.g., "> .thinger" instead of
// just ".thinger") in a QSA-able doc, but are passed a child as a
// root, it should be possible to give the item a synthetic ID and
@@ -1186,7 +1181,7 @@ if(typeof dojo != "undefined"){
if(useQSA){
- var tq = (specials.indexOf(query.charAt(query.length-1)) >= 0) ?
+ var tq = (specials.indexOf(query.charAt(query.length-1)) >= 0) ?
(query + " *") : query;
return _queryFuncCacheQSA[query] = function(root){
try{
@@ -1213,9 +1208,9 @@ if(typeof dojo != "undefined"){
}else{
// DOM branch
var parts = query.split(/\s*,\s*/);
- return _queryFuncCacheDOM[query] = ((parts.length < 2) ?
+ return _queryFuncCacheDOM[query] = ((parts.length < 2) ?
// if not a compound query (e.g., ".foo, .bar"), cache and return a dispatcher
- getStepQueryFunc(query) :
+ getStepQueryFunc(query) :
// if it *is* a complex query, break it up into its
// constituent parts and return a dispatcher that will
// merge the parts when run
@@ -1245,7 +1240,7 @@ if(typeof dojo != "undefined"){
}else{
return node.uniqueID;
}
- } :
+ } :
function(node){
return (node._uid || (node._uid = ++_zipIdx));
};
@@ -1254,7 +1249,7 @@ if(typeof dojo != "undefined"){
// to flatten a list of unique items, but rather just tell if the item in
// question is already in the bag. Normally we'd just use hash lookup to do
// this for us but IE's DOM is busted so we can't really count on that. On
- // the upside, it gives us a built in unique ID function.
+ // the upside, it gives us a built in unique ID function.
var _isUnique = function(node, bag){
if(!bag){ return 1; }
var id = _nodeUID(node);
@@ -1266,7 +1261,7 @@ if(typeof dojo != "undefined"){
// returning a list of "uniques", hopefully in doucment order
var _zipIdxName = "_zipIdx";
var _zip = function(arr){
- if(arr && arr.nozip){
+ if(arr && arr.nozip){
return (qlc._wrap) ? qlc._wrap(arr) : arr;
}
// var ret = new d._NodeListCtor();
@@ -1285,7 +1280,7 @@ if(typeof dojo != "undefined"){
var szidx = _zipIdx+"";
arr[0].setAttribute(_zipIdxName, szidx);
for(var x = 1, te; te = arr[x]; x++){
- if(arr[x].getAttribute(_zipIdxName) != szidx){
+ if(arr[x].getAttribute(_zipIdxName) != szidx){
ret.push(te);
}
te.setAttribute(_zipIdxName, szidx);
@@ -1293,7 +1288,7 @@ if(typeof dojo != "undefined"){
}else if(d.isIE && arr.commentStrip){
try{
for(var x = 1, te; te = arr[x]; x++){
- if(_isElement(te)){
+ if(_isElement(te)){
ret.push(te);
}
}
@@ -1301,7 +1296,7 @@ if(typeof dojo != "undefined"){
}else{
if(arr[0]){ arr[0][_zipIdxName] = _zipIdx; }
for(var x = 1, te; te = arr[x]; x++){
- if(arr[x][_zipIdxName] != _zipIdx){
+ if(arr[x][_zipIdxName] != _zipIdx){
ret.push(te);
}
te[_zipIdxName] = _zipIdx;
@@ -1331,11 +1326,11 @@ if(typeof dojo != "undefined"){
// * class selectors (e.g., `.foo`)
// * node type selectors like `span`
// * ` ` descendant selectors
- // * `>` child element selectors
+ // * `>` child element selectors
// * `#foo` style ID selectors
// * `*` universal selector
- // * `~`, the immediately preceeded-by sibling selector
- // * `+`, the preceeded-by sibling selector
+ // * `~`, the preceded-by sibling selector
+ // * `+`, the immediately preceded-by sibling selector
// * attribute queries:
// | * `[foo]` attribute presence selector
// | * `[foo='bar']` attribute value exact match
@@ -1356,14 +1351,14 @@ if(typeof dojo != "undefined"){
// palette of selectors and when combined with functions for
// manipulation presented by dojo.NodeList, many types of DOM
// manipulation operations become very straightforward.
- //
+ //
// Unsupported Selectors:
// ----------------------
//
// While dojo.query handles many CSS3 selectors, some fall outside of
- // what's resaonable for a programmatic node querying engine to
+ // what's reasonable for a programmatic node querying engine to
// handle. Currently unsupported selectors include:
- //
+ //
// * namespace-differentiated selectors of any form
// * all `::` pseduo-element selectors
// * certain pseduo-selectors which don't get a lot of day-to-day use:
@@ -1372,10 +1367,10 @@ if(typeof dojo != "undefined"){
// | * `:root`, `:active`, `:hover`, `:visisted`, `:link`,
// `:enabled`, `:disabled`
// * `:*-of-type` pseudo selectors
- //
+ //
// dojo.query and XML Documents:
// -----------------------------
- //
+ //
// `dojo.query` (as of dojo 1.2) supports searching XML documents
// in a case-sensitive manner. If an HTML document is served with
// a doctype that forces case-sensitivity (e.g., XHTML 1.1
@@ -1485,12 +1480,12 @@ if(typeof dojo != "undefined"){
// NOTE:
// Opera in XHTML mode doesn't detect case-sensitivity correctly
// and it's not clear that there's any way to test for it
- caseSensitive = (root.contentType && root.contentType=="application/xml") ||
+ caseSensitive = (root.contentType && root.contentType=="application/xml") ||
(d.isOpera && (root.doctype || od.toString() == "[object XMLDocument]")) ||
- (!!od) &&
+ (!!od) &&
(d.isIE ? od.xml : (root.xmlVersion||od.xmlVersion));
- // NOTE:
+ // NOTE:
// adding "true" as the 2nd argument to getQueryFunc is useful for
// testing the DOM branch without worrying about the
// behavior/performance of the QSA branch.
@@ -1507,16 +1502,98 @@ if(typeof dojo != "undefined"){
// FIXME: need to add infrastructure for post-filtering pseudos, ala :last
d.query.pseudos = pseudos;
- // one-off function for filtering a NodeList based on a simple selector
- d._filterQueryResult = function(nodeList, simpleFilter){
- var tmpNodeList = new d._NodeListCtor();
- var filterFunc = getSimpleFilterFunc(getQueryParts(simpleFilter)[0]);
+ // function for filtering a NodeList based on a selector, optimized for simple selectors
+ d._filterQueryResult = function(/*NodeList*/ nodeList, /*String*/ filter, /*String|DOMNode?*/ root){
+ var tmpNodeList = new d._NodeListCtor(),
+ parts = getQueryParts(filter),
+ filterFunc =
+ (parts.length == 1 && !/[^\w#\.]/.test(filter)) ?
+ getSimpleFilterFunc(parts[0]) :
+ function(node) {
+ return dojo.query(filter, root).indexOf(node) != -1;
+ };
for(var x = 0, te; te = nodeList[x]; x++){
if(filterFunc(te)){ tmpNodeList.push(te); }
}
return tmpNodeList;
}
-})(this["queryPortability"]||this["acme"]||dojo);
+};//end defineQuery
+
+var defineAcme= function(){
+ // a self-sufficient query impl
+ acme = {
+ trim: function(/*String*/ str){
+ // summary:
+ // trims whitespaces from both sides of the string
+ str = str.replace(/^\s+/, '');
+ for(var i = str.length - 1; i >= 0; i--){
+ if(/\S/.test(str.charAt(i))){
+ str = str.substring(0, i + 1);
+ break;
+ }
+ }
+ return str; // String
+ },
+ forEach: function(/*String*/ arr, /*Function*/ callback, /*Object?*/ thisObject){
+ // summary:
+ // an iterator function that passes items, indexes,
+ // and the array to a callback
+ if(!arr || !arr.length){ return; }
+ for(var i=0,l=arr.length; i<l; ++i){
+ callback.call(thisObject||window, arr[i], i, arr);
+ }
+ },
+ byId: function(id, doc){
+ // summary:
+ // a function that return an element by ID, but also
+ // accepts nodes safely
+ if(typeof id == "string"){
+ return (doc||document).getElementById(id); // DomNode
+ }else{
+ return id; // DomNode
+ }
+ },
+ // the default document to search
+ doc: document,
+ // the constructor for node list objects returned from query()
+ NodeList: Array
+ };
+
+ // define acme.isIE, acme.isSafari, acme.isOpera, etc.
+ var n = navigator;
+ var dua = n.userAgent;
+ var dav = n.appVersion;
+ var tv = parseFloat(dav);
+ acme.isOpera = (dua.indexOf("Opera") >= 0) ? tv: undefined;
+ acme.isKhtml = (dav.indexOf("Konqueror") >= 0) ? tv : undefined;
+ acme.isWebKit = parseFloat(dua.split("WebKit/")[1]) || undefined;
+ acme.isChrome = parseFloat(dua.split("Chrome/")[1]) || undefined;
+ var index = Math.max(dav.indexOf("WebKit"), dav.indexOf("Safari"), 0);
+ if(index && !acme.isChrome){
+ acme.isSafari = parseFloat(dav.split("Version/")[1]);
+ if(!acme.isSafari || parseFloat(dav.substr(index + 7)) <= 419.3){
+ acme.isSafari = 2;
+ }
+ }
+ if(document.all && !acme.isOpera){
+ acme.isIE = parseFloat(dav.split("MSIE ")[1]) || undefined;
+ }
+
+ Array._wrap = function(arr){ return arr; };
+ return acme;
+};
+
+ //prefers queryPortability, then acme, then dojo
+ if(this["dojo"]){
+ dojo.provide("dojo._base.query");
+ dojo.require("dojo._base.NodeList");
+ dojo.require("dojo._base.lang");
+ defineQuery(this["queryPortability"]||this["acme"]||dojo);
+ }else{
+ defineQuery(this["queryPortability"]||this["acme"]||defineAcme());
+ }
+
+})();
/*
*/