[loki-editor commit] r663 - trunk/lib

[codesite...@google.com]

Author: enaeseth
Date: Thu Dec 4 11:36:43 2008
New Revision: 663

Modified:
trunk/lib/base2.js

Log:
Reverting back to Base2 1.0b2.

Modified: trunk/lib/base2.js
==============================================================================
--- trunk/lib/base2.js (original)
+++ trunk/lib/base2.js Thu Dec 4 11:36:43 2008
@@ -1,40 +1,89 @@
+// timestamp: Sun, 06 Jan 2008 18:17:45
/*
base2 - copyright 2007-2008, Dean Edwards
http://code.google.com/p/base2/
http://www.opensource.org/licenses/mit-license.php
-
+
Contributors:
Doeke Zanstra
*/

-// timestamp: Sat, 06 Sep 2008 16:52:32
-
var base2 = {
name: "base2",
- version: "1.0",
+ version: "1.0 (beta 2)",
exports:
- "Base,Package,Abstract,Module,Enumerable,Map,Collection,RegGrp," +
- "Undefined,Null,This,True,False,assignID,detect,global",
- namespace: ""
+ "Base,Package,Abstract,Module,Enumerable,Map,Collection,RegGrp,"+
+ "assert,assertArity,assertType,assignID,copy,detect,extend,"+
+ "forEach,format,global,instanceOf,match,rescape,slice,trim,typeOf,"+
+ "I,K,Undefined,Null,True,False,bind,delegate,flip,not,unbind",
+
+ global: this, // the window object in a browser environment
+
+ // this is defined here because it must be defined in the global scope
+ detect: new function(_) {
+ // Two types of detection:
+ // 1. Object detection
+ // e.g. detect("(java)");
+ // e.g. detect("!(document.addEventListener)");
+ // 2. Platform detection (browser sniffing)
+ // e.g. detect("MSIE");
+ // e.g. detect("MSIE|opera");
+
+ var global = _;
+ var jscript = NaN/*@cc_on||@_jscript_version@*/; //
http://dean.edwards.name/weblog/2007/03/sniff/#comment85164
+ var java = _.java ? true : false;
+ if (_.navigator) {
+ var MSIE = /MSIE[\d.]+/g;
+ var element = document.createElement("span");
+ // Close up the space between name and version number.
+ // e.g. MSIE 6 -> MSIE6
+ var userAgent =
navigator.userAgent.replace(/([a-z])[\s\/](\d)/gi, "$1$2");
+ // Fix opera's (and others) user agent string.
+ if (!jscript) userAgent = userAgent.replace(MSIE, "");
+ if (MSIE.test(userAgent)) userAgent = userAgent.match(MSIE)[0] + " "
+ userAgent.replace(MSIE, "");
+ userAgent = navigator.platform + " " + userAgent;
+ java &= navigator.javaEnabled();
+ }
+
+ return function(expression) {
+ var r = false;
+ var not = expression.charAt(0) == "!";
+ if (not) expression = expression.slice(1);
+ if (expression.charAt(0) == "(") {
+ // Object detection.
+ try {
+ eval("r=!!" + expression);
+ } catch (e) {
+ // the test failed
+ }
+ } else {
+ // Browser sniffing.
+ r = new RegExp("(" + expression + ")", "i").test(userAgent);
+ }
+ return !!(not ^ r);
+ };
+ }(this)
};

-new function(_no_shrink_) { /////////////// BEGIN: CLOSURE
///////////////
+new function(_) { //////////////////// BEGIN: CLOSURE
////////////////////

//
=========================================================================
-// base2/header.js
+// base2/lang/header.js
//
=========================================================================

-var Undefined = K(), Null = K(null), True = K(true), False = K(false),
This = function(){return this};
+var _namespace = "function base(o,a){return o.base.apply(o,a)};";
+eval(_namespace);
+
+var detect = base2.detect;

-var global = This();
-var base2 = global.base2;
+var Undefined = K(), Null = K(null), True = K(true), False = K(false);

// private
var _FORMAT = /%([1-9])/g;
var _LTRIM = /^\s\s*/;
var _RTRIM = /\s\s*$/;
var _RESCAPE = /([\/()[\]{}|*+-.,^$?\\])/g; // safe regular
expressions
-var _BASE = /try/.test(detect) ? /\bbase\b/ : /.*/; // some platforms
don't allow decompilation
+var _BASE = /eval/.test(detect) ? /\bbase\s*\(/ : /.*/; // some platforms
don't allow decompilation
var _HIDDEN = ["constructor", "toString", "valueOf"]; // only override
these when prototyping
var _MSIE_NATIVE_FUNCTION = detect("(jscript)") ?
new RegExp("^" + rescape(isNaN).replace(/isNaN/, "\\w+") + "$") : {test:
False};
@@ -42,14 +91,12 @@
var _counter = 1;
var _slice = Array.prototype.slice;

-_Function_forEach(); // make sure this is initialised
-
-function assignID(object) {
- // Assign a unique ID to an object.
- if (!object.base2ID) object.base2ID = "b2_" + _counter++;
- return object.base2ID;
+var slice = Array.slice || function(array) {
+ return _slice.apply(array, _slice.call(arguments, 1));
};

+_Function_forEach(); // make sure this is initialised
+
//
=========================================================================
// base2/Base.js
//
=========================================================================
@@ -60,7 +107,7 @@
// Build the prototype.
base2.__prototyping = this.prototype;
var _prototype = new this;
- if (_instance) extend(_prototype, _instance);
+ extend(_prototype, _instance);
delete base2.__prototyping;

// Create the wrapper for the constructor function.
@@ -86,12 +133,13 @@
for (var i in Base) _class[i] = this[i];
_class.ancestor = this;
_class.base = Undefined;
- //_class.init = Undefined;
- if (_static) extend(_class, _static);
+ _class.init = Undefined;
+ extend(_class, _static);
_class.prototype = _prototype;
- if (_class.init) _class.init();
+ _class.init();

// introspection (removed when packed)
+ ;;; _class.toString = K(String(_constructor));
;;; _class["#implements"] = [];
;;; _class["#implemented_by"] = [];

@@ -109,29 +157,28 @@
// Call this method from any other method to invoke the current
method's ancestor (super).
},

- extend: delegate(extend)
+ extend: delegate(extend)
}, Base = {
- ancestorOf: function(klass) {
- return _ancestorOf(this, klass);
- },
+ ancestorOf: delegate(_ancestorOf),

extend: _subclass,

- forEach: function(object, block, context) {
- _Function_forEach(this, object, block, context);
- },
+ forEach: delegate(_Function_forEach),

implement: function(source) {
if (typeof source == "function") {
- ;;; if (_ancestorOf(Base, source)) {
+ // If we are implementing another classs/module then we can use
+ // casting to apply the interface.
+ if (_ancestorOf(Base, source)) {
+ source(this.prototype); // cast
// introspection (removed when packed)
;;; this["#implements"].push(source);
;;; source["#implemented_by"].push(this);
- ;;; }
- source = source.prototype;
+ }
+ } else {
+ // Add the interface using the extend() function.
+ extend(this.prototype, source);
}
- // Add the interface using the extend() function.
- extend(this.prototype, source);
return this;
}
});
@@ -145,52 +192,30 @@
this.extend(_public);
if (this.init) this.init();

- if (this.name && this.name != "base2") {
+ if (this.name != "base2") {
if (!this.parent) this.parent = base2;
this.parent.addName(this.name, this);
- this.namespace = format("var %1=%2;", this.name, String2.slice(this,
1, -1));
+ this.namespace = format("var %1=%2;", this.name,
String(this).slice(1, -1));
}

+ var LIST = /[^\s,]+/g; // pattern for comma separated list
+
if (_private) {
- // This next line gets round a bug in old Mozilla browsers
- var JSNamespace = base2.JavaScript ? base2.JavaScript.namespace : "";
// This string should be evaluated immediately after creating a
Package object.
- _private.imports = Array2.reduce(csv(this.imports),
function(namespace, name) {
- var ns = lookup(name) || lookup("JavaScript." + name);
- ;;; assert(ns, format("Object not found: '%1'.", name),
ReferenceError);
+ _private.imports = Array2.reduce(this.imports.match(LIST),
function(namespace, name) {
+ eval("var ns=base2." + name);
+ assert(ns, format("Package not found: '%1'.", name),
ReferenceError);
return namespace += ns.namespace;
- }, "var base2=(function(){return this.base2})();" + base2.namespace
+ JSNamespace) + lang.namespace;
+ }, _namespace + base2.namespace + JavaScript.namespace);

// This string should be evaluated after you have created all of the
objects
// that are being exported.
- _private.exports = Array2.reduce(csv(this.exports),
function(namespace, name) {
+ _private.exports = Array2.reduce(this.exports.match(LIST),
function(namespace, name) {
var fullName = this.name + "." + name;
this.namespace += "var " + name + "=" + fullName + ";";
return namespace += "if(!" + fullName + ")" + fullName + "=" +
name + ";";
- }, "", this) + "this._label_" + this.name + "();";
-
- var pkg = this;
- var packageName = String2.slice(this, 1, -1);
- _private["_label_" + this.name] = function() {
- Package.forEach (pkg, function(object, name) {
- if (object && object.ancestorOf == Base.ancestorOf) {
- object.toString = K(format("[%1.%2]", packageName, name));
- if (object.prototype.toString == Base.prototype.toString) {
- object.prototype.toString = K(format("[object %1.%2]",
packageName, name));
- }
- }
- });
- };
+ }, "", this);
}
-
- function lookup(names) {
- names = names.split(".");
- var value = base2, i = 0;
- while (value && names[i] != null) {
- value = value[names[i++]];
- }
- return value;
- };
},

exports: "",
@@ -212,7 +237,7 @@
},

toString: function() {
- return format("[%1]", this.parent ? String2.slice(this.parent, 1, -1)
+ "." + this.name : this.name);
+ return format("[%1]", this.parent ? String(this.parent).slice(1, -1)
+ "." + this.name : this.name);
}
});

@@ -222,7 +247,7 @@

var Abstract = Base.extend({
constructor: function() {
- throw new TypeError("Abstract class cannot be instantiated.");
+ throw new TypeError("Class cannot be instantiated.");
}
});

@@ -230,116 +255,62 @@
// base2/Module.js
//
=========================================================================

-var _moduleCount = 0;
-
var Module = Abstract.extend(null, {
- namespace: "",
-
extend: function(_interface, _static) {
// Extend a module to create a new module.
var module = this.base();
- var index = _moduleCount++;
- module.namespace = "";
- module.partial = this.partial;
- module.toString = K("[base2.Module[" + index + "]]");
- Module[index] = module;
// Inherit class methods.
module.implement(this);
// Implement module (instance AND static) methods.
- if (_interface) module.implement(_interface);
+ module.implement(_interface);
// Implement static properties and methods.
- if (_static) {
- extend(module, _static);
- if (module.init) module.init();
- }
+ extend(module, _static);
+ module.init();
return module;
},
-
- forEach: function(block, context) {
- _Function_forEach (Module, this.prototype, function(method, name) {
- if (typeOf(method) == "function") {
- block.call(context, this[name], name, this);
- }
- }, this);
- },
-
+
implement: function(_interface) {
var module = this;
- var id = module.toString().slice(1, -1);
if (typeof _interface == "function") {
if (!_ancestorOf(_interface, module)) {
this.base(_interface);
}
if (_ancestorOf(Module, _interface)) {
// Implement static methods.
- for (var name in _interface) {
- if (module[name] === undefined) {
- var property = _interface[name];
+ forEach (_interface, function(property, name) {
+ if (!module[name]) {
if (typeof property == "function" && property.call &&
_interface.prototype[name]) {
- property = _staticModuleMethod(_interface, name);
+ property = function() { // Late binding.
+ return _interface[name].apply(_interface, arguments);
+ };
}
module[name] = property;
}
- }
- module.namespace +=
_interface.namespace.replace(/base2\.Module\[\d+\]/g, id);
+ });
}
} else {
// Add static interface.
extend(module, _interface);
// Add instance interface.
- _extendModule(module, _interface);
+ _Function_forEach (Object, _interface, function(source, name) {
+ if (name.charAt(0) == "@") { // object detection
+ if (detect(name.slice(1))) {
+ forEach (source, arguments.callee);
+ }
+ } else if (typeof source == "function" && source.call) {
+ module.prototype[name] = function() { // Late binding.
+ var args = _slice.call(arguments);
+ args.unshift(this);
+ return module[name].apply(module, args);
+ };
+ ;;; module.prototype[name]._module = module; // introspection
+ }
+ });
}
return module;
- },
-
- partial: function() {
- var module = Module.extend();
- var id = module.toString().slice(1, -1);
- // partial methods are already bound so remove the binding to speed
things up
- module.namespace = this.namespace.replace(/(\w+)=b[^\)]+\)/g, "$1=" +
id + ".$1");
- this.forEach(function(method, name) {
- module[name] = partial(bind(method, module));
- });
- return module;
}
});

-function _extendModule(module, _interface) {
- var proto = module.prototype;
- var id = module.toString().slice(1, -1);
- for (var name in _interface) {
- var property = _interface[name], namespace = "";
- if (name.charAt(0) == "@") { // object detection
- if (detect(name.slice(1))) _extendModule(module, property);
- } else if (!proto[name]) {
- if (name == name.toUpperCase()) {
- namespace = "var " + name + "=" + id + "." + name + ";";
- } else if (typeof property == "function" && property.call) {
- namespace = "var " + name + "=base2.lang.bind('" + name + "'," +
id + ");";
- proto[name] = _moduleMethod(module, name);
- ;;; proto[name]._module = module; // introspection
- }
- if (module.namespace.indexOf(namespace) == -1) {
- module.namespace += namespace;
- }
- }
- }
-};
-
-function _staticModuleMethod(module, name) {
- return function() {
- return module[name].apply(module, arguments);
- };
-};
-
-function _moduleMethod(module, name) {
- return function() {
- var args = _slice.call(arguments);
- args.unshift(this);
- return module[name].apply(module, args);
- };
-};
-
//
=========================================================================
// base2/Enumerable.js
//
=========================================================================
@@ -348,7 +319,7 @@
every: function(object, test, context) {
var result = true;
try {
- forEach (object, function(value, key) {
+ this.forEach (object, function(value, key) {
result = test.call(context, value, key, object);
if (!result) throw StopIteration;
});
@@ -372,15 +343,15 @@
// Apply a method to each item in the enumerated object.
var args = _slice.call(arguments, 2);
return this.map(object, (typeof method == "function") ? function(item)
{
- return item == null ? undefined : method.apply(item, args);
+ return (item == null) ? undefined : method.apply(item, args);
} : function(item) {
- return item == null ? undefined : item[method].apply(item, args);
+ return (item == null) ? undefined : item[method].apply(item, args);
});
},

map: function(object, block, context) {
var result = [], i = 0;
- forEach (object, function(value, key) {
+ this.forEach (object, function(value, key) {
result[i++] = block.call(context, value, key, object);
});
return result;
@@ -388,13 +359,13 @@

pluck: function(object, key) {
return this.map(object, function(item) {
- return item == null ? undefined : item[key];
+ return (item == null) ? undefined : item[key];
});
},

reduce: function(object, block, result, context) {
var initialised = arguments.length > 2;
- forEach (object, function(value, key) {
+ this.forEach (object, function(value, key) {
if (initialised) {
result = block.call(context, result, value, key, object);
} else {
@@ -408,8 +379,11 @@
some: function(object, test, context) {
return !this.every(object, not(test), context);
}
+}, {
+ forEach: forEach
});

+
//
=========================================================================
// base2/Map.js
//
=========================================================================
@@ -420,27 +394,13 @@

var Map = Base.extend({
constructor: function(values) {
- if (values) this.merge(values);
- },
-
- clear: function() {
- for (var key in this) if (key.indexOf(_HASH) == 0) {
- delete this[key];
- }
+ this.merge(values);
},

- copy: function() {
- base2.__prototyping = true; // not really prototyping but it stops
[[construct]] being called
- var copy = new this.constructor;
- delete base2.__prototyping;
- for (var i in this) if (this[i] !== copy[i]) {
- copy[i] = this[i];
- }
- return copy;
- },
+ copy: delegate(copy),

forEach: function(block, context) {
- for (var key in this) if (key.indexOf(_HASH) == 0) {
+ for (var key in this) if (key.charAt(0) == _HASH) {
block.call(context, this[key], key.slice(1), this);
}
},
@@ -450,14 +410,14 @@
},

getKeys: function() {
- return this.map(II);
+ return this.map(flip(I));
},

getValues: function() {
return this.map(I);
},

- // Ancient browsers throw an error if we use "in" as an operator.
+ // Ancient browsers throw an error when we use "in" as an operator.
has: function(key) {
/*@cc_on @*/
/*@if (@_jscript_version < 5.5)
@@ -475,19 +435,20 @@
return this;
},

+ remove: function(key) {
+ delete this[_HASH + key];
+ },
+
put: function(key, value) {
+ if (arguments.length == 1) value = key;
// create the new entry (or overwrite the old entry).
this[_HASH + key] = value;
},

- remove: function(key) {
- delete this[_HASH + key];
- },
-
size: function() {
// this is expensive because we are not storing the keys
var size = 0;
- for (var key in this) if (key.indexOf(_HASH) == 0) size++;
+ for (var key in this) if (key.charAt(0) == _HASH) size++;
return size;
},

@@ -498,15 +459,6 @@

Map.implement(Enumerable);

-Map.prototype.filter = function(test, context) {
- return this.reduce(function(result, value, key) {
- if (!test.call(context, value, key, this)) {
- result.remove(key);
- }
- return result;
- }, this.copy(), this);
-};
-
//
=========================================================================
// base2/Collection.js
//
=========================================================================
@@ -537,18 +489,13 @@
this.put.apply(this, arguments);
},

- clear: function() {
- this.base();
- this[_KEYS].length = 0;
- },
-
copy: function() {
var copy = this.base();
copy[_KEYS] = this[_KEYS].copy();
return copy;
},

- forEach: function(block, context) {
+ forEach: function(block, context) { // optimised (refers to _HASH)
var keys = this[_KEYS];
var length = keys.length;
for (var i = 0; i < length; i++) {
@@ -557,12 +504,13 @@
},

getAt: function(index) {
- var key = this[_KEYS].item(index);
+ if (index < 0) index += this[_KEYS].length; // starting from the end
+ var key = this[_KEYS][index];
return (key === undefined) ? undefined : this[_HASH + key];
},

getKeys: function() {
- return this[_KEYS].copy();
+ return this[_KEYS].concat();
},

indexOf: function(key) {
@@ -570,18 +518,19 @@
},

insertAt: function(index, key, item) {
- assert(this[_KEYS].item(index) !== undefined, "Index out of bounds.");
+ assert(Math.abs(index) < this[_KEYS].length, "Index out of bounds.");
assert(!this.has(key), "Duplicate key '" + key + "'.");
this[_KEYS].insertAt(index, String(key));
- this[_HASH + key] = null; // placeholder
+ this[_HASH + key] == null; // placeholder
this.put.apply(this, _slice.call(arguments, 1));
},
-
+
item: function(keyOrIndex) {
return this[typeof keyOrIndex
== "number" ? "getAt" : "get"](keyOrIndex);
},

put: function(key, item) {
+ if (arguments.length == 1) item = key;
if (!this.has(key)) {
this[_KEYS].push(String(key));
}
@@ -593,8 +542,8 @@
},

putAt: function(index, item) {
+ assert(Math.abs(index) < this[_KEYS].length, "Index out of bounds.");
arguments[0] = this[_KEYS].item(index);
- assert(arguments[0] !== undefined, "Index out of bounds.");
this.put.apply(this, arguments);
},

@@ -607,11 +556,8 @@
},

removeAt: function(index) {
- var key = this[_KEYS].item(index);
- if (key !== undefined) {
- this[_KEYS].removeAt(index);
- delete this[_HASH + key];
- }
+ var key = this[_KEYS].removeAt(index);
+ delete this[_HASH + key];
},

reverse: function() {
@@ -623,35 +569,18 @@
return this[_KEYS].length;
},

- slice: function(start, end) {
- var sliced = this.copy();
- if (arguments.length > 0) {
- var keys = this[_KEYS], removed = keys;
- sliced[_KEYS] = Array2(_slice.apply(keys, arguments));
- if (sliced[_KEYS].length) {
- removed = removed.slice(0, start);
- if (arguments.length > 1) {
- removed = removed.concat(keys.slice(end));
- }
- }
- for (var i = 0; i < removed.length; i++) {
- delete sliced[_HASH + removed[i]];
- }
- }
- return sliced;
- },
-
sort: function(compare) { // optimised (refers to _HASH)
if (compare) {
- this[_KEYS].sort(bind(function(key1, key2) {
- return compare(this[_HASH + key1], this[_HASH + key2], key1, key2);
- }, this));
+ var self = this;
+ this[_KEYS].sort(function(key1, key2) {
+ return compare(self[_HASH + key1], self[_HASH + key2], key1, key2);
+ });
} else this[_KEYS].sort();
return this;
},

toString: function() {
- return "(" + (this[_KEYS] || "") + ")";
+ return String(this[_KEYS]);
}
}, {
Item: null, // If specified, all members of the collection must be
instances of Item.
@@ -663,13 +592,13 @@
extend: function(_instance, _static) {
var klass = this.base(_instance);
klass.create = this.create;
- if (_static) extend(klass, _static);
+ extend(klass, _static);
if (!klass.Item) {
klass.Item = this.Item;
} else if (typeof klass.Item != "function") {
klass.Item = (this.Item || Base).extend(klass.Item);
}
- if (klass.init) klass.init();
+ klass.init();
return klass;
}
});
@@ -689,38 +618,47 @@
_RG_LOOKUP_SIMPLE = /^\$\d+$/;

var RegGrp = Collection.extend({
- constructor: function(values, ignoreCase) {
+ constructor: function(values, flags) {
this.base(values);
- this.ignoreCase = !!ignoreCase;
+ if (typeof flags == "string") {
+ this.global = /g/.test(flags);
+ this.ignoreCase = /i/.test(flags);
+ }
},

+ global: true, // global is the default setting
ignoreCase: false,

- exec: function(string, override) { // optimised (refers to _HASH/_KEYS)
- string += ""; // type-safe
- var items = this, keys = this[_KEYS];
- if (!keys.length) return string;
- if (override == RegGrp.IGNORE) override = 0;
- return string.replace(new RegExp(this, this.ignoreCase ? "gi" : "g"),
function(match) {
- var item, offset = 1, i = 0;
- // Loop through the RegGrp items.
- while ((item = items[_HASH + keys[i++]])) {
- var next = offset + item.length + 1;
- if (arguments[offset]) { // do we have a result?
- var replacement = override == null ? item.replacement : override;
- switch (typeof replacement) {
- case "function":
- return replacement.apply(items, _slice.call(arguments,
offset, next));
- case "number":
- return arguments[offset + replacement];
- default:
- return replacement;
+ exec: function(string, replacement) { // optimised (refers to
_HASH/_KEYS)
+ var flags = (this.global ? "g" : "") + (this.ignoreCase ? "i" : "");
+ string = String(string) + ""; // type-safe
+ if (arguments.length == 1) {
+ var self = this;
+ var keys = this[_KEYS];
+ replacement = function(match) {
+ if (match) {
+ var item, offset = 1, i = 0;
+ // Loop through the RegGrp items.
+ while ((item = self[_HASH + keys[i++]])) {
+ var next = offset + item.length + 1;
+ if (arguments[offset]) { // do we have a result?
+ var replacement = item.replacement;
+ switch (typeof replacement) {
+ case "function":
+ return replacement.apply(self, _slice.call(arguments,
offset, next));
+ case "number":
+ return arguments[offset + replacement];
+ default:
+ return replacement;
+ }
+ }
+ offset = next;
}
}
- offset = next;
- }
- return match;
- });
+ return "";
+ };
+ }
+ return string.replace(new RegExp(this, flags), replacement);
},

insertAt: function(index, expression, replacement) {
@@ -731,19 +669,18 @@
},

test: function(string) {
- // The slow way to do it. Hopefully, this isn't called too often. :-)
return this.exec(string) != string;
},

toString: function() {
- var offset = 1;
+ var length = 0;
return "(" + this.map(function(item) {
// Fix back references.
- var expression = (item + "").replace(_RG_BACK_REF, function(match,
index) {
- return "\\" + (offset + Number(index));
+ var ref = String(item).replace(_RG_BACK_REF, function(match, index) {
+ return "\\" + (1 + Number(index) + length);
});
- offset += item.length + 1;
- return expression;
+ length += item.length + 1;
+ return ref;
}).join(")|(") + ")";
}
}, {
@@ -762,9 +699,8 @@

Item: {
constructor: function(expression, replacement) {
- if (replacement == null) replacement = RegGrp.IGNORE;
- else if (replacement.replacement != null) replacement =
replacement.replacement;
- else if (typeof replacement != "function") replacement =
String(replacement);
+ if (typeof replacement == "number") replacement =
String(replacement);
+ else if (replacement == null) replacement = "";

// does the pattern use sub-expressions?
if (typeof replacement == "string" && _RG_LOOKUP.test(replacement)) {
@@ -774,22 +710,16 @@
replacement = parseInt(replacement.slice(1));
} else { // a complicated lookup (e.g. "Hello $2 $1")
// build a function to do the lookup
- // Improved version by Alexei Gorkov:
- var Q = '"';
- replacement = replacement
- .replace(/\\/g, "\\\\")
- .replace(/"/g, "\\x22")
- .replace(/\n/g, "\\n")
- .replace(/\r/g, "\\r")
- .replace(/\$(\d+)/g, Q + "+(arguments[$1]||" + Q+Q + ")+" + Q)
- .replace(/(['"])\1\+(.*)\+\1\1$/, "$1");
- replacement = new Function("return " + Q + replacement + Q);
+ var Q = /'/.test(replacement.replace(/\\./g, "")) ? '"' : "'";
+ replacement =
replacement.replace(/\n/g, "\\n").replace(/\r/g, "\\r").replace(/\$(\d+)/g,
Q +
+ "+(arguments[$1]||" + Q+Q + ")+" + Q);
+ replacement = new Function("return " + Q +
replacement.replace(/(['"])\1\+(.*)\+\1\1$/, "$1") + Q);
}
}

this.length = RegGrp.count(expression);
this.replacement = replacement;
- this.toString = K(expression + "");
+ this.toString = K(String(expression));
},

length: 0,
@@ -798,482 +728,110 @@

count: function(expression) {
// Count the number of sub-expressions in a RegExp/RegGrp.Item.
- expression = (expression
+ "").replace(_RG_ESCAPE_CHARS, "").replace(_RG_ESCAPE_BRACKETS, "");
+ expression =
String(expression).replace(_RG_ESCAPE_CHARS, "").replace(_RG_ESCAPE_BRACKETS, "");
return match(expression, _RG_BRACKETS).length;
}
});

//
=========================================================================
-// lang/package.js
+// JavaScript/package.js
//
=========================================================================

-var lang = {
- name: "lang",
+var JavaScript = {
+ name: "JavaScript",
version: base2.version,
-
exports: "assert,assertArity,assertType,base,bind,copy,extend,forEach,format,instanceOf,match,pcopy,rescape,trim,typeOf",
- namespace: "" // fixed later
+ exports: "Array2,Date2,String2",
+ namespace: "", // fixed later
+
+ bind: function(host) {
+ forEach (this.exports.match(/\w+/g), function(name2) {
+ var name = name2.slice(0, -1);
+ extend(host[name], this[name2]);
+ this[name2](host[name].prototype); // cast
+ }, this);
+ return this;
+ }
};

//
=========================================================================
-// lang/assert.js
+// JavaScript/~/Date.js
//
=========================================================================

-function assert(condition, message, ErrorClass) {
- if (!condition) {
- throw new (ErrorClass || Error)(message || "Assertion failed.");
- }
-};
-
-function assertArity(args, arity, message) {
- if (arity == null) arity = args.callee.length;
- if (args.length < arity) {
- throw new SyntaxError(message || "Not enough arguments.");
- }
-};
+// Fix Date.get/setYear() (IE5-7)

-function assertType(object, type, message) {
- if (type && (typeof type == "function" ? !instanceOf(object, type) :
typeOf(object) != type)) {
- throw new TypeError(message || "Invalid type.");
- }
-};
+if ((new Date).getYear() > 1900) {
+ Date.prototype.getYear = function() {
+ return this.getFullYear() - 1900;
+ };
+ Date.prototype.setYear = function(year) {
+ return this.setFullYear(year + 1900);
+ };
+}

//
=========================================================================
-// lang/copy.js
+// JavaScript/~/Function.js
//
=========================================================================

-function copy(object) {
- // a quick copy
- var copy = {};
- for (var i in object) {
- copy[i] = object[i];
- }
- return copy;
-};
-
-function pcopy(object) {
- // Doug Crockford / Richard Cornford
- _dummy.prototype = object;
- return new _dummy;
-};
+// Some browsers don't define this.

-function _dummy(){};
+Function.prototype.prototype = {};

//
=========================================================================
-// lang/extend.js
+// JavaScript/~/String.js
//
=========================================================================

-function base(object, args) {
- return object.base.apply(object, args);
-};
+// A KHTML bug.

-function extend(object, source) { // or extend(object, key, value)
- if (object && source) {
- if (arguments.length > 2) { // Extending with a key/value pair.
- var key = source;
- source = {};
- source[key] = arguments[2];
- }
- var proto = global[(typeof source
== "function" ? "Function" : "Object")].prototype;
- // Add constructor, toString etc
- if (base2.__prototyping) {
- var i = _HIDDEN.length, key;
- while ((key = _HIDDEN[--i])) {
- var value = source[key];
- if (value != proto[key]) {
- if (_BASE.test(value)) {
- _override(object, key, value)
- } else {
- object[key] = value;
- }
- }
- }
- }
- // Copy each of the source object's properties to the target object.
- for (key in source) {
- if (proto[key] === undefined) {
- var value = source[key];
- // Object detection.
- if (key.charAt(0) == "@") {
- if (detect(key.slice(1))) extend(object, value);
- } else {
- // Check for method overriding.
- var ancestor = object[key];
- if (ancestor && typeof value == "function") {
- if (value != ancestor) {
- if (_BASE.test(value)) {
- _override(object, key, value);
- } else {
- value.ancestor = ancestor;
- object[key] = value;
- }
- }
- } else {
- object[key] = value;
- }
- }
- }
+if ("".replace(/^/, K("$$")) == "$") {
+ extend(String.prototype, "replace", function(expression, replacement) {
+ if (typeof replacement == "function") {
+ var fn = replacement;
+ replacement = function() {
+ return String(fn.apply(null, arguments)).split("$").join("$$");
+ };
}
- }
- return object;
-};
-
-function _ancestorOf(ancestor, fn) {
- // Check if a function is in another function's inheritance chain.
- while (fn) {
- if (!fn.ancestor) return false;
- fn = fn.ancestor;
- if (fn == ancestor) return true;
- }
- return false;
-};
-
-function _override(object, name, method) {
- // Override an existing method.
- var ancestor = object[name];
- var superObject = base2.__prototyping; // late binding for prototypes
- if (superObject && ancestor != superObject[name]) superObject = null;
- function _base() {
- var previous = this.base;
- this.base = superObject ? superObject[name] : ancestor;
- var returnValue = method.apply(this, arguments);
- this.base = previous;
- return returnValue;
- };
- _base.method = method;
- _base.ancestor = ancestor;
- object[name] = _base;
- // introspection (removed when packed)
- ;;; _base.toString = K(method + "");
-};
+ return this.base(expression, replacement);
+ });
+}

//
=========================================================================
-// lang/forEach.js
+// JavaScript/Array2.js
//
=========================================================================

-// http://dean.edwards.name/weblog/2006/07/enum/
-
-if (typeof StopIteration == "undefined") {
- StopIteration = new Error("StopIteration");
-}
-
-function forEach(object, block, context, fn) {
- if (object == null) return;
- if (!fn) {
- if (typeof object == "function" && object.call) {
- // Functions are a special case.
- fn = Function;
- } else if (typeof object.forEach == "function" && object.forEach !=
arguments.callee) {
- // The object implements a custom forEach method.
- object.forEach(block, context);
- return;
- } else if (typeof object.length == "number") {
- // The object is array-like.
- _Array_forEach(object, block, context);
- return;
- }
- }
- _Function_forEach(fn || Object, object, block, context);
-};
-
-forEach.csv = function(string, block, context) {
- forEach (csv(string), block, context);
-};
-
-forEach.detect = function(object, block, context) {
- forEach (object, function(value, key) {
- if (key.charAt(0) == "@") { // object detection
- if (detect(key.slice(1))) forEach (value, arguments.callee);
- } else block.call(context, value, key, object);
- });
-};
-
-// These are the two core enumeration methods. All other forEach methods
-// eventually call one of these two.
-
-function _Array_forEach(array, block, context) {
- if (array == null) array = global;
- var length = array.length || 0, i; // preserve length
- if (typeof array == "string") {
- for (i = 0; i < length; i++) {
- block.call(context, array.charAt(i), i, array);
- }
- } else { // Cater for sparse arrays.
- for (i = 0; i < length; i++) {
- /*@cc_on @*/
- /*@if (@_jscript_version < 5.2)
- if ($Legacy.has(array, i))
- @else @*/
- if (i in array)
- /*@end @*/
- block.call(context, array[i], i, array);
- }
- }
-};
-
-function _Function_forEach(fn, object, block, context) {
- // http://code.google.com/p/base2/issues/detail?id=10
-
- // Run the test for Safari's buggy enumeration.
- var Temp = function(){this.i=1};
- Temp.prototype = {i:1};
- var count = 0;
- for (var i in new Temp) count++;
-
- // Overwrite the main function the first time it is called.
- _Function_forEach = (count > 1) ? function(fn, object, block, context) {
- // Safari fix (pre version 3)
- var processed = {};
- for (var key in object) {
- if (!processed[key] && fn.prototype[key] === undefined) {
- processed[key] = true;
- block.call(context, object[key], key, object);
- }
- }
- } : function(fn, object, block, context) {
- // Enumerate an object and compare its keys with fn's prototype.
- for (var key in object) {
- if (fn.prototype[key] === undefined) {
- block.call(context, object[key], key, object);
- }
- }
- };
-
- _Function_forEach(fn, object, block, context);
-};
-
-//
=========================================================================
-// lang/instanceOf.js
-//
=========================================================================
-
-function instanceOf(object, klass) {
- // Handle exceptions where the target object originates from another
frame.
- // This is handy for JSON parsing (amongst other things).
-
- if (typeof klass != "function") {
- throw new TypeError("Invalid 'instanceOf' operand.");
- }
-
- if (object == null) return false;
-
- /*@cc_on
- // COM objects don't have a constructor
- if (typeof object.constructor != "function") {
- return typeOf(object) == typeof klass.prototype.valueOf();
- }
- @*/
- if (object.constructor == klass) return true;
- if (klass.ancestorOf) return klass.ancestorOf(object.constructor);
- /*@if (@_jscript_version < 5.1)
- // do nothing
- @else @*/
- if (object instanceof klass) return true;
- /*@end @*/
-
- // If the class is a base2 class then it would have passed the test
above.
- if (Base.ancestorOf == klass.ancestorOf) return false;
-
- // base2 objects can only be instances of Object.
- if (Base.ancestorOf == object.constructor.ancestorOf) return klass ==
Object;
-
- switch (klass) {
- case Array: // This is the only troublesome one.
- return !!(typeof object == "object" && object.join && object.splice);
- case Function:
- return typeOf(object) == "function";
- case RegExp:
- return typeof object.constructor.$1 == "string";
- case Date:
- return !!object.getTimezoneOffset;
- case String:
- case Number:
- case Boolean:
- return typeOf(object) == typeof klass.prototype.valueOf();
- case Object:
- return true;
- }
-
- return false;
-};
-
-//
=========================================================================
-// lang/typeOf.js
-//
=========================================================================
-
-// http://wiki.ecmascript.org/doku.php?id=proposals:typeof
-
-function typeOf(object) {
- var type = typeof object;
- switch (type) {
- case "object":
- return object == null
- ? "null"
- : typeof object.constructor == "undefined" // COM object
- ? _MSIE_NATIVE_FUNCTION.test(object)
- ? "function"
- : type
- : typeof object.constructor.prototype.valueOf(); // underlying
type
- case "function":
- return typeof object.call == "function" ? type : "object";
- default:
- return type;
- }
-};
-
-//
=========================================================================
-// JavaScript/package.js
-//
=========================================================================
-
-var JavaScript = {
- name: "JavaScript",
- version: base2.version,
- exports: "Array2,Date2,Function2,String2",
- namespace: "", // fixed later
-
- bind: function(host) {
- var top = global;
- global = host;
- forEach.csv(this.exports, function(name2) {
- var name = name2.slice(0, -1);
- extend(host[name], this[name2]);
- this[name2](host[name].prototype); // cast
- }, this);
- global = top;
- return host;
- }
-};
-
-function _createObject2(Native, constructor, generics, extensions) {
- // Clone native objects and extend them.
-
- // Create a Module that will contain all the new methods.
- var INative = Module.extend();
- var id = INative.toString().slice(1, -1);
- //
http://developer.mozilla.org/en/docs/New_in_JavaScript_1.6#Array_and_String_generics
- forEach.csv(generics, function(name) {
- INative[name] = unbind(Native.prototype[name]);
- INative.namespace += format("var %1=%2.%1;", name, id);
- });
- forEach (_slice.call(arguments, 3), INative.implement, INative);
-
- // create a faux constructor that augments the native object
- var Native2 = function() {
- return INative(this.constructor == INative ? constructor.apply(null,
arguments) : arguments[0]);
- };
- Native2.prototype = INative.prototype;
-
- // Remove methods that are already implemented.
- for (var name in INative) {
- if (name != "prototype" && Native[name]) {
- INative[name] = Native[name];
- delete INative.prototype[name];
- }
- Native2[name] = INative[name];
- }
- Native2.ancestor = Object;
- delete Native2.extend;
-
- // remove "lang.bind.."
- Native2.namespace = Native2.namespace.replace(/(var
(\w+)=)[^,;]+,([^\)]+)\)/g, "$1$3.$2");
-
- return Native2;
-};
-
-//
=========================================================================
-// JavaScript/~/Date.js
-//
=========================================================================
-
-// Fix Date.get/setYear() (IE5-7)
-
-if ((new Date).getYear() > 1900) {
- Date.prototype.getYear = function() {
- return this.getFullYear() - 1900;
- };
- Date.prototype.setYear = function(year) {
- return this.setFullYear(year + 1900);
- };
-}
-
-// https://bugs.webkit.org/show_bug.cgi?id=9532
-
-var _testDate = new Date(Date.UTC(2006, 1, 20));
-_testDate.setUTCDate(15);
-if (_testDate.getUTCHours() != 0) {
- forEach.csv("FullYear,Month,Date,Hours,Minutes,Seconds,Milliseconds",
function(type) {
- extend(Date.prototype, "setUTC" + type, function() {
- var value = base(this, arguments);
- if (value >= 57722401000) {
- value -= 3600000;
- this.setTime(value);
- }
- return value;
- });
- });
-}
-
-//
=========================================================================
-// JavaScript/~/Function.js
-//
=========================================================================
-
-// Some browsers don't define this.
-
-Function.prototype.prototype = {};
-
-//
=========================================================================
-// JavaScript/~/String.js
-//
=========================================================================
-
-// A KHTML bug.
-
-if ("".replace(/^/, K("$$")) == "$") {
- extend(String.prototype, "replace", function(expression, replacement) {
- if (typeof replacement == "function") {
- var fn = replacement;
- replacement = function() {
- return String(fn.apply(null, arguments)).split("$").join("$$");
- };
- }
- return this.base(expression, replacement);
- });
-}
-
-//
=========================================================================
-// JavaScript/Array2.js
-//
=========================================================================
-
-var Array2 = _createObject2(
- Array,
- Array,
- "concat,join,pop,push,reverse,shift,slice,sort,splice,unshift", //
generics
- Enumerable, {
- combine: function(keys, values) {
- // Combine two arrays to make a hash.
- if (!values) values = keys;
- return Array2.reduce(keys, function(hash, key, index) {
- hash[key] = values[index];
- return hash;
- }, {});
- },
+var Array2 = _createObject2(
+ Array,
+ Array,
+ "concat,join,pop,push,reverse,shift,slice,sort,splice,unshift", //
generics
+ [Enumerable, {
+ combine: function(keys, values) {
+ // Combine two arrays to make a hash.
+ if (!values) values = keys;
+ return this.reduce(keys, function(hash, key, index) {
+ hash[key] = values[index];
+ return hash;
+ }, {});
+ },

contains: function(array, item) {
- return Array2.indexOf(array, item) != -1;
+ return this.indexOf(array, item) != -1;
},

copy: function(array) {
var copy = _slice.call(array);
- if (!copy.swap) Array2(copy); // cast to Array2
+ if (!copy.swap) this(copy); // cast to Array2
return copy;
},

flatten: function(array) {
- var i = 0;
- return Array2.reduce(array, function(result, item) {
- if (Array2.like(item)) {
- Array2.reduce(item, arguments.callee, result);
+ var length = 0;
+ return this.reduce(array, function(result, item) {
+ if (this.like(item)) {
+ this.reduce(item, arguments.callee, result, this);
} else {
- result[i++] = item;
+ result[length++] = item;
}
return result;
- }, []);
+ }, [], this);
},

forEach: _Array_forEach,
@@ -1292,7 +850,7 @@
},

insertAt: function(array, index, item) {
- Array2.splice(array, index, 0, item);
+ this.splice(array, index, 0, item);
return item;
},

@@ -1316,19 +874,20 @@

map: function(array, block, context) {
var result = [];
- Array2.forEach (array, function(item, index) {
+ this.forEach (array, function(item, index) {
result[index] = block.call(context, item, index, array);
});
return result;
},
-
+
remove: function(array, item) {
- var index = Array2.indexOf(array, item);
- if (index != -1) Array2.removeAt(array, index);
+ var index = this.indexOf(array, item);
+ if (index != -1) this.removeAt(array, index);
+ return item;
},

removeAt: function(array, index) {
- Array2.splice(array, index, 1);
+ return this.splice(array, index, 1);
},

swap: function(array, index1, index2) {
@@ -1339,14 +898,14 @@
array[index2] = temp;
return array;
}
- }
+ }]
);

Array2.reduce = Enumerable.reduce; // Mozilla does not implement the
thisObj argument

Array2.like = function(object) {
// is the object like an array?
- return typeOf(object) == "object" && typeof object.length == "number";
+ return !!(object && typeof object == "object" && typeof object.length
== "number");
};

// introspection (removed when packed)
@@ -1386,10 +945,10 @@
function(yy, mm, dd, h, m, s, ms) {
switch (arguments.length) {
case 0: return new Date;
- case 1: return typeof yy == "number" ? new Date(yy) :
Date2.parse(yy);
+ case 1: return new Date(yy);
default: return new Date(yy, mm, arguments.length == 2 ? 1 : dd, h |
| 0, m || 0, s || 0, ms || 0);
}
- }, "", {
+ }, "", [{
toISOString: function(date) {
var string = "####-##-##T##:##:##.###";
for (var part in _DATE_PARTS) {
@@ -1402,43 +961,41 @@
// remove trailing zeroes, and remove UTC timezone, when time's
absent
return
string.replace(_TRIM_ZEROES, "").replace(_TRIM_TIMEZONE, "$1Z");
}
- }
+ }]
);

-delete Date2.forEach;
-
Date2.now = function() {
return (new Date).valueOf(); // milliseconds since the epoch
};

Date2.parse = function(string, defaultDate) {
if (arguments.length > 1) {
- assertType(defaultDate, "number", "default date should be of
type 'number'.")
+ assertType(defaultDate, "number", "defaultDate should be of
type 'number'.")
}
// parse ISO date
- var parts = match(string, _DATE_PATTERN);
- if (parts.length) {
- if (parts[_DATE_PARTS.Month]) parts[_DATE_PARTS.Month]--; // js months
start at zero
+ var match = String(string).match(_DATE_PATTERN);
+ if (match) {
+ if (match[_DATE_PARTS.Month]) match[_DATE_PARTS.Month]--; // js months
start at zero
// round milliseconds on 3 digits
- if (parts[_TIMEZONE_PARTS.Hectomicroseconds] >= 5)
parts[_DATE_PARTS.Milliseconds]++;
+ if (match[_TIMEZONE_PARTS.Hectomicroseconds] >= 5)
match[_DATE_PARTS.Milliseconds]++;
var date = new Date(defaultDate || 0);
- var prefix = parts[_TIMEZONE_PARTS.UTC] ||
parts[_TIMEZONE_PARTS.Hours] ? "UTC" : "";
+ var prefix = match[_TIMEZONE_PARTS.UTC] ||
match[_TIMEZONE_PARTS.Hours] ? "UTC" : "";
for (var part in _DATE_PARTS) {
- var value = parts[_DATE_PARTS[part]];
+ var value = match[_DATE_PARTS[part]];
if (!value) continue; // empty value
// set a date part
date["set" + prefix + part](value);
// make sure that this setting does not overflow
- if (date["get" + prefix + part]() != parts[_DATE_PARTS[part]]) {
+ if (date["get" + prefix + part]() != match[_DATE_PARTS[part]]) {
return NaN;
}
}
// timezone can be set, without time being available
// without a timezone, local timezone is respected
- if (parts[_TIMEZONE_PARTS.Hours]) {
- var hours = Number(parts[_TIMEZONE_PARTS.Sign] +
parts[_TIMEZONE_PARTS.Hours]);
- var minutes = Number(parts[_TIMEZONE_PARTS.Sign] +
(parts[_TIMEZONE_PARTS.Minutes] || 0));
- date.setUTCMinutes(date.getUTCMinutes() + (hours * 60) + minutes);
+ if (match[_TIMEZONE_PARTS.Hours]) {
+ var Hours = Number(match[_TIMEZONE_PARTS.Sign] +
match[_TIMEZONE_PARTS.Hours]);
+ var Minutes = Number(match[_TIMEZONE_PARTS.Sign] +
(match[_TIMEZONE_PARTS.Minutes] || 0));
+ date.setUTCMinutes(date.getUTCMinutes() + (Hours * 60) + Minutes);
}
return date.valueOf();
} else {
@@ -1456,223 +1013,1914 @@
return new String(arguments.length == 0 ? "" : string);
},
"charAt,charCodeAt,concat,indexOf,lastIndexOf,match,replace,search,slice,split,substr,substring,toLowerCase,toUpperCase",
- {
- csv: csv,
- format: format,
- rescape: rescape,
- trim: trim
- }
+ [{trim: trim}]
);

-delete String2.forEach;
-
-// http://blog.stevenlevithan.com/archives/faster-trim-javascript
-function trim(string) {
- return String(string).replace(_LTRIM, "").replace(_RTRIM, "");
-};
+//
=========================================================================
+// JavaScript/functions.js
+//
=========================================================================

-function csv(string) {
- return string ? (string + "").split(/\s*,\s*/) : [];
-};
+function _createObject2(Native, constructor, generics, extensions) {
+ // Clone native objects and extend them.

-function format(string) {
- // Replace %n with arguments[n].
- // e.g. format("%1 %2%3 %2a %1%3", "she", "se", "lls");
- // ==> "she sells sea shells"
- // Only %1 - %9 supported.
- var args = arguments;
- var pattern = new RegExp("%([1-" + (arguments.length - 1) + "])", "g");
- return (string + "").replace(pattern, function(match, index) {
- return args[index];
+ // Create a Module that will contain all the new methods.
+ var INative = Module.extend();
+ //
http://developer.mozilla.org/en/docs/New_in_JavaScript_1.6#Array_and_String_generics
+ forEach (generics.match(/\w+/g), function(name) {
+ INative[name] = unbind(Native.prototype[name]);
});
-};
+ forEach (extensions, INative.implement, INative);

-function match(string, expression) {
- // Same as String.match() except that this function will return an empty
- // array if there is no match.
- return (string + "").match(expression) || [];
-};
+ // create a faux constructor that augments the native object
+ var Native2 = function() {
+ return INative(this.constructor == INative ? constructor.apply(null,
arguments) : arguments[0]);
+ };
+ Native2.prototype = INative.prototype;

-function rescape(string) {
- // Make a string safe for creating a RegExp.
- return (string + "").replace(_RESCAPE, "\\$1");
+ // Remove methods that are already implemented.
+ forEach (INative, function(method, name) {
+ if (Native[name]) {
+ INative[name] = Native[name];
+ delete INative.prototype[name];
+ }
+ Native2[name] = INative[name];
+ });
+ Native2.ancestor = Object;
+ delete Native2.extend;
+ if (Native != Array) delete Native2.forEach;
+
+ return Native2;
};

//
=========================================================================
-// JavaScript/Function2.js
+// lang/extend.js
//
=========================================================================

-var Function2 = _createObject2(
- Function,
- Function,
- "", {
- I: I,
- II: II,
- K: K,
- bind: bind,
- compose: compose,
- delegate: delegate,
- flip: flip,
- not: not,
- partial: partial,
- unbind: unbind
+function extend(object, source) { // or extend(object, key, value)
+ if (object && source) {
+ if (arguments.length > 2) { // Extending with a key/value pair.
+ var key = source;
+ source = {};
+ source[key] = arguments[2];
+ }
+ var proto = (typeof source == "function" ? Function :
Object).prototype;
+ // Add constructor, toString etc
+ var i = _HIDDEN.length, key;
+ if (base2.__prototyping) {
+ while (key = _HIDDEN[--i]) {
+ var value = source[key];
+ if (value != proto[key]) {
+ if (_BASE.test(value)) {
+ _override(object, key, value)
+ } else {
+ object[key] = value;
+ }
+ }
+ }
+ }
+ // Copy each of the source object's properties to the target object.
+ for (key in source) {
+ if (proto[key] === undefined) {
+ var value = source[key];
+ // Object detection.
+ if (key.charAt(0) == "@") {
+ if (detect(key.slice(1))) arguments.callee(object, value);
+ continue;
+ }
+ // Check for method overriding.
+ var ancestor = object[key];
+ if (ancestor && typeof value == "function") {
+ if (value != ancestor && (!ancestor.method |
| !_ancestorOf(value, ancestor))) {
+ if (_BASE.test(value)) {
+ _override(object, key, value);
+ } else {
+ value.ancestor = ancestor;
+ object[key] = value;
+ }
+ }
+ } else {
+ object[key] = value;
+ }
+ }
+ }
}
-);
-
-function I(i) { // return first argument
- return i;
+ return object;
};

-function II(i, ii) { // return second argument
- return ii;
+function _ancestorOf(ancestor, fn) {
+ // Check if a function is in another function's inheritance chain.
+ while (fn) {
+ if (!fn.ancestor) return false;
+ fn = fn.ancestor;
+ if (fn == ancestor) return true;
+ }
+ return false;
};

-function K(k) {
- return function() {
- return k;
+function _override(object, name, method) {
+ // Override an existing method.
+ var ancestor = object[name];
+ var superObject = base2.__prototyping; // late binding for classes
+ if (superObject && ancestor != superObject[name]) superObject = null;
+ function _base() {
+ var previous = this.base;
+ this.base = superObject ? superObject[name] : ancestor;
+ var returnValue = method.apply(this, arguments);
+ this.base = previous;
+ return returnValue;
};
+ _base.ancestor = ancestor;
+ object[name] = _base;
+ // introspection (removed when packed)
+ ;;; _base.toString = K(String(method));
};

-function bind(fn, context) {
- var lateBound = typeof fn != "function";
- if (arguments.length > 2) {
- var args = _slice.call(arguments, 2);
- return function() {
- return (lateBound ? context[fn] : fn).apply(context,
args.concat.apply(args, arguments));
- };
- } else { // faster if there are no additional arguments
- return function() {
- return (lateBound ? context[fn] : fn).apply(context, arguments);
- };
- }
-};
+//
=========================================================================
+// lang/forEach.js
+//
=========================================================================

-function compose() {
- var fns = _slice.call(arguments);
- return function() {
- var i = fns.length, result = fns[--i].apply(this, arguments);
- while (i--) result = fns[i].call(this, result);
- return result;
- };
-};
+// http://dean.edwards.name/weblog/2006/07/enum/

-function delegate(fn, context) {
- return function() {
- var args = _slice.call(arguments);
- args.unshift(this);
- return fn.apply(context, args);
- };
-};
+if (typeof StopIteration == "undefined") {
+ StopIteration = new Error("StopIteration");
+}

-function flip(fn) {
- return function() {
- return fn.apply(this, Array2.swap(arguments, 0, 1));
- };
+function forEach(object, block, context, fn) {
+ if (object == null) return;
+ if (!fn) {
+ if (typeof object == "function" && object.call) {
+ // Functions are a special case.
+ fn = Function;
+ } else if (typeof object.forEach == "function" && object.forEach !=
arguments.callee) {
+ // The object implements a custom forEach method.
+ object.forEach(block, context);
+ return;
+ } else if (typeof object.length == "number") {
+ // The object is array-like.
+ _Array_forEach(object, block, context);
+ return;
+ }
+ }
+ _Function_forEach(fn || Object, object, block, context);
};

-function not(fn) {
- return function() {
- return !fn.apply(this, arguments);
- };
-};
+// These are the two core enumeration methods. All other forEach methods
+// eventually call one of these two.

-function partial(fn) {
- var args = _slice.call(arguments, 1);
- // based on Oliver Steele's version
- return function() {
- var specialised = args.concat(), i = 0, j = 0;
- while (i < args.length && j < arguments.length) {
- if (specialised[i] === undefined) specialised[i] = arguments[j++];
- i++;
- }
- while (j < arguments.length) {
- specialised[i++] = arguments[j++];
- }
- if (Array2.contains(specialised, undefined)) {
- specialised.unshift(fn);
- return partial.apply(null, specialised);
+function _Array_forEach(array, block, context) {
+ if (array == null) return;
+ var length = array.length, i; // preserve length
+ if (typeof array == "string") {
+ for (i = 0; i < length; i++) {
+ block.call(context, array.charAt(i), i, array);
}
- return fn.apply(this, specialised);
- };
+ } else { // Cater for sparse arrays.
+ for (i = 0; i < length; i++) {
+ /*@cc_on @*/
+ /*@if (@_jscript_version < 5.2)
+ if ($Legacy.has(array, i))
+ @else @*/
+ if (i in array)
+ /*@end @*/
+ block.call(context, array[i], i, array);
+ }
+ }
};

-function unbind(fn) {
- return function(context) {
- return fn.apply(context, _slice.call(arguments, 1));
+function _Function_forEach(fn, object, block, context) {
+ // http://code.google.com/p/base2/issues/detail?id=10
+
+ // Run the test for Safari's buggy enumeration.
+ var Temp = function(){this.i=1};
+ Temp.prototype = {i:1};
+ var count = 0;
+ for (var i in new Temp) count++;
+
+ // Overwrite the main function the first time it is called.
+ _Function_forEach = (count > 1) ? function(fn, object, block, context) {
+ // Safari fix (pre version 3)
+ var processed = {};
+ for (var key in object) {
+ if (!processed[key] && fn.prototype[key] === undefined) {
+ processed[key] = true;
+ block.call(context, object[key], key, object);
+ }
+ }
+ } : function(fn, object, block, context) {
+ // Enumerate an object and compare its keys with fn's prototype.
+ for (var key in object) {
+ if (fn.prototype[key] === undefined) {
+ block.call(context, object[key], key, object);
+ }
+ }
};
+
+ _Function_forEach(fn, object, block, context);
};

//
=========================================================================
-// base2/detect.js
+// lang/typeOf.js
//
=========================================================================

-function detect() {
- // Two types of detection:
- // 1. Object detection
- // e.g. detect("(java)");
- // e.g. detect("!(document.addEventListener)");
- // 2. Platform detection (browser sniffing)
- // e.g. detect("MSIE");
- // e.g. detect("MSIE|opera");
-
- var jscript = NaN/*@cc_on||@_jscript_version@*/; //
http://dean.edwards.name/weblog/2007/03/sniff/#comment85164
- var javaEnabled = global.java ? true : false;
- if (global.navigator) { // browser
- var MSIE = /MSIE[\d.]+/g;
- var element = document.createElement("span");
- // Close up the space between name and version number.
- // e.g. MSIE 6 -> MSIE6
- var userAgent =
navigator.userAgent.replace(/([a-z])[\s\/](\d)/gi, "$1$2");
- // Fix opera's (and others) user agent string.
- if (!jscript) userAgent = userAgent.replace(MSIE, "");
- if (MSIE.test(userAgent)) userAgent = userAgent.match(MSIE)[0] + " " +
userAgent.replace(MSIE, "");
- base2.userAgent = navigator.platform + " " + userAgent.replace(/like
\w+/gi, "");
- javaEnabled &= navigator.javaEnabled();
-//} else if (java) { // rhino
-// var System = java.lang.System;
-// base2.userAgent = "Rhino " + System.getProperty("os.arch") + " " +
System.getProperty("os.name") + " " + System.getProperty("os.version");
-//} else if (jscript) { // Windows Scripting Host
-// base2.userAgent = "WSH";
- }
-
- var _cache = {};
- detect = function(expression) {
- if (_cache[expression] == null) {
- var returnValue = false, test = expression;
- var not = test.charAt(0) == "!";
- if (not) test = test.slice(1);
- if (test.charAt(0) == "(") {
- try {
- returnValue = new
Function("element,jscript,java,global", "return !!" + test)(element,
jscript, javaEnabled, global);
- } catch (ex) {
- // the test failed
- }
- } else {
- // Browser sniffing.
- returnValue = new RegExp("(" + test
+ ")", "i").test(base2.userAgent);
- }
- _cache[expression] = !!(not ^ returnValue);
- }
- return _cache[expression];
- };
-
- return detect(arguments[0]);
+// http://wiki.ecmascript.org/doku.php?id=proposals:typeof
+
+function typeOf(object) {
+ var type = typeof object;
+ switch (type) {
+ case "object":
+ return object === null ? "null" : typeof object.call == "function" |
| _MSIE_NATIVE_FUNCTION.test(object) ? "function" : type;
+ case "function":
+ return typeof object.call == "function" ? type : "object";
+ default:
+ return type;
+ }
};

//
=========================================================================
-// base2/init.js
+// lang/instanceOf.js
//
=========================================================================

-base2 = global.base2 = new Package(this, base2);
-var exports = this.exports;
+function instanceOf(object, klass) {
+ // Handle exceptions where the target object originates from another
frame.
+ // This is handy for JSON parsing (amongst other things).
+
+ if (typeof klass != "function") {
+ throw new TypeError("Invalid 'instanceOf' operand.");
+ }

-lang = new Package(this, lang);
-exports += this.exports;
+ if (object == null) return false;
+
+ /*@cc_on
+ // COM objects don't have a constructor
+ if (typeof object.constructor != "function") {
+ return typeOf(object) == typeof klass.prototype.valueOf();
+ }
+ @*/
+ /*@if (@_jscript_version < 5.1)
+ if ($Legacy.instanceOf(object, klass)) return true;
+ @else @*/
+ if (object instanceof klass) return true;
+ /*@end @*/

-JavaScript = new Package(this, JavaScript);
-eval(exports + this.exports);
+ // If the class is a base2 class then it would have passed the test
above.
+ if (Base.ancestorOf == klass.ancestorOf) return false;
+
+ // base2 objects can only be instances of Object.
+ if (Base.ancestorOf == object.constructor.ancestorOf) return klass ==
Object;
+
+ switch (klass) {
+ case Array: // This is the only troublesome one.
+ return !!(typeof object == "object" && object.join && object.splice);
+ case Function:
+ return typeOf(object) == "function";
+ case RegExp:
+ return typeof object.constructor.$1 == "string";
+ case Date:
+ return !!object.getTimezoneOffset;
+ case String:
+ case Number: // These are bullet-proof.
+ case Boolean:
+ return typeof object == typeof klass.prototype.valueOf();
+ case Object:
+ return true;
+ }
+
+ return false;
+};
+
+//
=========================================================================
+// lang/assert.js
+//
=========================================================================
+
+function assert(condition, message, ErrorClass) {
+ if (!condition) {
+ throw new (ErrorClass || Error)(message || "Assertion failed.");
+ }
+};
+
+function assertArity(args, arity, message) {
+ if (arity == null) arity = args.callee.length;
+ if (args.length < arity) {
+ throw new SyntaxError(message || "Not enough arguments.");
+ }
+};
+
+function assertType(object, type, message) {
+ if (type && (typeof type == "function" ? !instanceOf(object, type) :
typeOf(object) != type)) {
+ throw new TypeError(message || "Invalid type.");
+ }
+};
+
+//
=========================================================================
+// lang/core.js
+//
=========================================================================
+
+function assignID(object) {
+ // Assign a unique ID to an object.
+ if (!object.base2ID) object.base2ID = "b2_" + _counter++;
+ return object.base2ID;
+};
+
+function copy(object) {
+ var fn = function(){};
+ fn.prototype = object;
+ return new fn;
+};
+
+// String/RegExp.
+
+function format(string) {
+ // Replace %n with arguments[n].
+ // e.g. format("%1 %2%3 %2a %1%3", "she", "se", "lls");
+ // ==> "she sells sea shells"
+ // Only %1 - %9 supported.
+ var args = arguments;
+ var pattern = new RegExp("%([1-" + arguments.length + "])", "g");
+ return String(string).replace(pattern, function(match, index) {
+ return args[index];
+ });
+};
+
+function match(string, expression) {
+ // Same as String.match() except that this function will return an empty
+ // array if there is no match.
+ return String(string).match(expression) || [];
+};
+
+function rescape(string) {
+ // Make a string safe for creating a RegExp.
+ return String(string).replace(_RESCAPE, "\\$1");
+};
+
+// http://blog.stevenlevithan.com/archives/faster-trim-javascript
+function trim(string) {
+ return String(string).replace(_LTRIM, "").replace(_RTRIM, "");
+};
+
+//
=========================================================================
+// lang/functional.js
+//
=========================================================================
+
+function I(i) {
+ return i;
+};
+
+function K(k) {
+ return function() {
+ return k;
+ };
+};
+
+function bind(fn, context) {
+ var args = _slice.call(arguments, 2);
+ return args.length == 0 ? function() {
+ return fn.apply(context, arguments);
+ } : function() {
+ return fn.apply(context, args.concat.apply(args, arguments));
+ };
+};
+
+function delegate(fn, context) {
+ return function() {
+ var args = _slice.call(arguments);
+ args.unshift(this);
+ return fn.apply(context, args);
+ };
+};
+
+function flip(fn) {
+ return function() {
+ return fn.apply(this, Array2.swap(arguments, 0, 1));
+ };
+};
+
+function not(fn) {
+ return function() {
+ return !fn.apply(this, arguments);
+ };
+};
+
+function unbind(fn) {
+ return function(context) {
+ return fn.apply(context, _slice.call(arguments, 1));
+ };
+};
+
+//
=========================================================================
+// base2/init.js
+//
=========================================================================
+
+base2 = new Package(this, base2);
+eval(this.exports);
+
+base2.extend = extend;
+
+// the enumerable methods are extremely useful so we'll add them to the
base2
+// namespace for convenience
+forEach (Enumerable, function(method, name) {
+ if (!Module[name]) base2.addName(name, bind(method, Enumerable));
+});
+
+JavaScript = new Package(this, JavaScript);
+eval(this.exports);
+
+}; //////////////////// END: CLOSURE
/////////////////////////////////////
+// timestamp: Sun, 06 Jan 2008 18:17:46
+
+new function(_) { //////////////////// BEGIN: CLOSURE
////////////////////
+
+//
=========================================================================
+// DOM/package.js
+//
=========================================================================
+
+var DOM = new base2.Package(this, {
+ name: "DOM",
+ version: "1.0 (beta 2)",
+ exports:
+ "Interface,Binding,Node,Document,Element,AbstractView,HTMLDocument,HTMLElement,"+
+ "Selector,Traversal,XPathParser,NodeSelector,DocumentSelector,ElementSelector,"+
+ "StaticNodeList,Event,EventTarget,DocumentEvent,ViewCSS,CSSStyleDeclaration",
+
+ bind: function(node) {
+ // Apply a base2 DOM Binding to a native DOM node.
+ if (node && node.nodeType) {
+ var uid = assignID(node);
+ if (!DOM.bind[uid]) {
+ switch (node.nodeType) {
+ case 1: // Element
+ if (typeof node.className == "string") {
+ // It's an HTML element, so use bindings based on tag name.
+ (HTMLElement.bindings[node.tagName] ||
HTMLElement).bind(node);
+ } else {
+ Element.bind(node);
+ }
+ break;
+ case 9: // Document
+ if (node.writeln) {
+ HTMLDocument.bind(node);
+ } else {
+ Document.bind(node);
+ }
+ break;
+ default:
+ Node.bind(node);
+ }
+ DOM.bind[uid] = true;
+ }
+ }
+ return node;
+ },
+
+ "@MSIE5.+win": {
+ bind: function(node) {
+ if (node && node.writeln) {
+ node.nodeType = 9;
+ }
+ return this.base(node);
+ }
+ }
+});
+
+eval(this.imports);
+
+var _MSIE = detect("MSIE");
+var _MSIE5 = detect("MSIE5");
+
+//
=========================================================================
+// DOM/Interface.js
+//
=========================================================================
+
+// The Interface module is the base module for defining DOM interfaces.
+// Interfaces are defined with reference to the original W3C IDL.
+// e.g. http://www.w3.org/TR/DOM-Level-3-Core/core.html#ID-1950641247
+
+var Interface = Module.extend(null, {
+ implement: function(_interface) {
+ var module = this;
+ if (Interface.ancestorOf(_interface)) {
+ forEach (_interface, function(property, name) {
+ if (_interface[name]._delegate) {
+ module[name] = function() { // Late binding.
+ return _interface[name].apply(_interface, arguments);
+ };
+ }
+ });
+ } else if (typeof _interface == "object") {
+ this.forEach (_interface, function(source, name) {
+ if (name.charAt(0) == "@") {
+ forEach (source, arguments.callee);
+ } else if (typeof source == "function" && source.call) {
+ // delegate a static method to the bound object
+ // e.g. for most browsers:
+ // EventTarget.addEventListener(element, type, listener,
capture)
+ // forwards to:
+ // element.addEventListener(type, listener, capture)
+ if (!module[name]) {
+ var FN = "var fn=function _%1(%2){%3.base=%3.%1.ancestor;var
m=%3.base?'base':'%1';return %3[m](%4)}";
+ var args = "abcdefghij".split("").slice(-source.length);
+ eval(format(FN, name, args, args[0], args.slice(1)));
+ fn._delegate = name;
+ module[name] = fn;
+ }
+ }
+ });
+ }
+ return this.base(_interface);
+ }
+});
+
+//
=========================================================================
+// DOM/Binding.js
+//
=========================================================================
+
+var Binding = Interface.extend(null, {
+ bind: function(object) {
+ return extend(object, this.prototype);
+ }
+});
+
+//
=========================================================================
+// DOM/Node.js
+//
=========================================================================
+
+// http://www.w3.org/TR/DOM-Level-3-Core/core.html#ID-1950641247
+
+var Node = Binding.extend({
+ "@!(element.compareDocumentPosition)" : {
+ compareDocumentPosition: function(node, other) {
+ //
http://www.w3.org/TR/DOM-Level-3-Core/core.html#Node3-compareDocumentPosition
+
+ if (Traversal.contains(node, other)) {
+ return 4|16; // following|contained_by
+ } else if (Traversal.contains(other, node)) {
+ return 2|8; // preceding|contains
+ }
+
+ var nodeIndex = _getSourceIndex(node);
+ var otherIndex = _getSourceIndex(other);
+
+ if (nodeIndex < otherIndex) {
+ return 4; // following
+ } else if (nodeIndex > otherIndex) {
+ return 2; // preceding
+ }
+ return 0;
+ }
+ }
+});
+
+var _getSourceIndex = document.documentElement.sourceIndex ?
function(node) {
+ return node.sourceIndex;
+} : function(node) {
+ // return a key suitable for comparing nodes
+ var key = 0;
+ while (node) {
+ key = Traversal.getNodeIndex(node) + "." + key;
+ node = node.parentNode;
+ }
+ return key;
+};
+
+//
=========================================================================
+// DOM/Document.js
+//
=========================================================================
+
+var Document = Node.extend(null, {
+ bind: function(document) {
+ extend(document, "createElement", function(tagName) {
+ return DOM.bind(this.base(tagName));
+ });
+ AbstractView.bind(document.defaultView);
+ if (document != window.document)
+ new DOMContentLoadedEvent(document);
+ return this.base(document);
+ },
+
+ "@!(document.defaultView)": {
+ bind: function(document) {
+ document.defaultView = Traversal.getDefaultView(document);
+ return this.base(document);
+ }
+ }
+});
+
+//
=========================================================================
+// DOM/Element.js
+//
=========================================================================
+
+// http://www.w3.org/TR/DOM-Level-3-Core/core.html#ID-745549614
+
+// Fix has/get/setAttribute() for IE here instead of HTMLElement.
+
+// getAttribute() will return null if the attribute is not specified. This
is
+// contrary to the specification but has become the de facto standard.
+
+var _EVALUATED = /^(href|src)$/;
+var _ATTRIBUTES = {
+ "class": "className",
+ "for": "htmlFor"
+};
+
+var Element = Node.extend({
+ "@MSIE.+win": {
+ getAttribute: function(element, name, iFlags) {
+ if (element.className === undefined) { // XML
+ return this.base(element, name);
+ }
+ var attribute = _MSIE_getAttributeNode(element, name);
+ if (attribute && (attribute.specified || name == "value")) {
+ if (_EVALUATED.test(name)) {
+ return this.base(element, name, 2);
+ } else if (name == "style") {
+ return element.style.cssText;
+ } else {
+ return attribute.nodeValue;
+ }
+ }
+ return null;
+ },
+
+ setAttribute: function(element, name, value) {
+ if (element.className === undefined) { // XML
+ this.base(element, name, value);
+ } else if (name == "style") {
+ element.style.cssText = value;
+ } else {
+ value = String(value);
+ var attribute = _MSIE_getAttributeNode(element, name);
+ if (attribute) {
+ attribute.nodeValue = value;
+ } else {
+ this.base(element, _ATTRIBUTES[name] || name, value);
+ }
+ }
+ }
+ },
+
+ "@!(element.hasAttribute)": {
+ hasAttribute: function(element, name) {
+ return this.getAttribute(element, name) != null;
+ }
+ }
+});
+
+// remove the base2ID for clones
+extend(Element.prototype, "cloneNode", function(deep) {
+ var clone = this.base(deep || false);
+ clone.base2ID = undefined;
+ return clone;
+});
+
+if (_MSIE) {
+ var _PROPERCASE_ATTRIBUTES
= "colSpan,rowSpan,vAlign,dateTime,accessKey,tabIndex,encType,maxLength,readOnly,longDesc";
+ // Convert the list of strings to a hash, mapping the lowercase name to
the camelCase name.
+ extend(_ATTRIBUTES,
Array2.combine(_PROPERCASE_ATTRIBUTES.toLowerCase().split(","),
_PROPERCASE_ATTRIBUTES.split(",")));
+
+ var _MSIE_getAttributeNode = _MSIE5 ? function(element, name) {
+ return element.attributes[name] ||
element.attributes[_ATTRIBUTES[name.toLowerCase()]];
+ } : function(element, name) {
+ return element.getAttributeNode(name);
+ };
+}
+
+//
=========================================================================
+// DOM/Traversal.js
+//
=========================================================================
+
+// DOM Traversal. Just the basics.
+
+// Loosely based on this:
+// http://www.w3.org/TR/2007/WD-ElementTraversal-20070727/
+
+var TEXT = _MSIE ? "innerText" : "textContent";
+
+var Traversal = Module.extend({
+ getDefaultView: function(node) {
+ return this.getDocument(node).defaultView;
+ },
+
+ getNextElementSibling: function(node) {
+ // return the next element to the supplied element
+ // nextSibling is not good enough as it might return a text or
comment node
+ while (node && (node = node.nextSibling) && !this.isElement(node))
continue;
+ return node;
+ },
+
+ getNodeIndex: function(node) {
+ var index = 0;
+ while (node && (node = node.previousSibling)) index++;
+ return index;
+ },
+
+ getOwnerDocument: function(node) {
+ // return the node's containing document
+ return node.ownerDocument;
+ },
+
+ getPreviousElementSibling: function(node) {
+ // return the previous element to the supplied element
+ while (node && (node = node.previousSibling) && !this.isElement(node))
continue;
+ return node;
+ },
+
+ getTextContent: function(node) {
+ return node[TEXT];
+ },
+
+ isEmpty: function(node) {
+ node = node.firstChild;
+ while (node) {
+ if (node.nodeType == 3 || this.isElement(node)) return false;
+ node = node.nextSibling;
+ }
+ return true;
+ },
+
+ setTextContent: function(node, text) {
+ return node[TEXT] = text;
+ },
+
+ "@MSIE": {
+ getDefaultView: function(node) {
+ return (node.document || node).parentWindow;
+ },
+
+ "@MSIE5": {
+ // return the node's containing document
+ getOwnerDocument: function(node) {
+ return node.ownerDocument || node.document;
+ }
+ }
+ }
+}, {
+ contains: function(node, target) {
+ while (target && (target = target.parentNode) && node != target)
continue;
+ return !!target;
+ },
+
+ getDocument: function(node) {
+ // return the document object
+ return this.isDocument(node) ? node : this.getOwnerDocument(node);
+ },
+
+ isDocument: function(node) {
+ return !!(node && node.documentElement);
+ },
+
+ isElement: function(node) {
+ return !!(node && node.nodeType == 1);
+ },
+
+ "@(element.contains)": {
+ contains: function(node, target) {
+ return node != target && (this.isDocument(node) ? node ==
this.getOwnerDocument(target) : node.contains(target));
+ }
+ },
+
+ "@MSIE5": {
+ isElement: function(node) {
+ return !!(node && node.nodeType == 1 && node.nodeName != "!");
+ }
+ }
+});
+
+//
=========================================================================
+// DOM/views/AbstractView.js
+//
=========================================================================
+
+var AbstractView = Binding.extend();
+
+//
=========================================================================
+// DOM/events/Event.js
+//
=========================================================================
+
+// http://www.w3.org/TR/DOM-Level-2-Events/events.html#Events-Event
+
+var Event = Binding.extend({
+ "@!(document.createEvent)": {
+ initEvent: function(event, type, bubbles, cancelable) {
+ event.type = type;
+ event.bubbles = bubbles;
+ event.cancelable = cancelable;
+ event.timeStamp = new Date().valueOf();
+ },
+
+ "@MSIE": {
+ initEvent: function(event, type, bubbles, cancelable) {
+ this.base(event, type, bubbles, cancelable);
+ event.cancelBubble = !event.bubbles;
+ },
+
+ preventDefault: function(event) {
+ if (event.cancelable !== false) {
+ event.returnValue = false;
+ }
+ },
+
+ stopPropagation: function(event) {
+ event.cancelBubble = true;
+ }
+ }
+ }
+}, {
+/* "@WebKit": {
+ bind: function(event) {
+ if (event.target && event.target.nodeType == 3) { // TEXT_NODE
+ event = copy(event);
+ event.target = event.target.parentNode;
+ }
+ return this.base(event);
+ }
+ }, */
+
+ "@!(document.createEvent)": {
+ "@MSIE": {
+ bind: function(event) {
+ if (!event.timeStamp) {
+ event.bubbles = !!_BUBBLES[event.type];
+ event.cancelable = !!_CANCELABLE[event.type];
+ event.timeStamp = new Date().valueOf();
+ }
+ if (!event.target) {
+ event.target = event.srcElement;
+ }
+ event.relatedTarget = event[(event.type
== "mouseout" ? "to" : "from") + "Element"];
+ return this.base(event);
+ }
+ }
+ }
+});
+
+if (_MSIE) {
+ var _BUBBLES = "abort,error,select,change,resize,scroll"; // +
_CANCELABLE
+ var _CANCELABLE
= "click,mousedown,mouseup,mouseover,mousemove,mouseout,keydown,keyup,submit,reset";
+ _BUBBLES = Array2.combine((_BUBBLES + "," + _CANCELABLE).split(","));
+ _CANCELABLE = Array2.combine(_CANCELABLE.split(","));
+}
+
+//
=========================================================================
+// DOM/events/EventTarget.js
+//
=========================================================================
+
+//
http://www.w3.org/TR/DOM-Level-2-Events/events.html#Events-Registration-interfaces
+
+// TO DO: event capture
+
+var EventTarget = Interface.extend({
+ "@!(element.addEventListener)": {
+ addEventListener: function(target, type, listener, capture) {
+ // assign a unique id to both objects
+ var targetID = assignID(target);
+ var listenerID = assignID(listener);
+ // create a hash table of event types for the target object
+ var events = _eventMap[targetID];
+ if (!events) events = _eventMap[targetID] = {};
+ // create a hash table of event listeners for each object/event pair
+ var listeners = events[type];
+ var current = target["on" + type];
+ if (!listeners) {
+ listeners = events[type] = {};
+ // store the existing event listener (if there is one)
+ if (current) listeners[0] = current;
+ }
+ // store the event listener in the hash table
+ listeners[listenerID] = listener;
+ if (current !== undefined) {
+ target["on" + type] = _eventMap._handleEvent;
+ }
+ },
+
+ dispatchEvent: function(target, event) {
+ return _handleEvent.call(target, event);
+ },
+
+ removeEventListener: function(target, type, listener, capture) {
+ // delete the event listener from the hash table
+ var events = _eventMap[target.base2ID];
+ if (events && events[type]) {
+ delete events[type][listener.base2ID];
+ }
+ },
+
+ "@(element.fireEvent)": {
+ dispatchEvent: function(target, event) {
+ var type = "on" + event.type;
+ event.target = target;
+ if (target[type] === undefined) {
+ return this.base(target, event);
+ } else {
+ return target.fireEvent(type, event);
+ }
+ }
+ }
+ }
+});
+
+var _eventMap = new Base({
+ _handleEvent: _handleEvent,
+
+ "@MSIE": {
+ _handleEvent: function() {
+ var target = this;
+ var window = (target.document || target).parentWindow;
+ if (target.Infinity) target = window;
+ return _handleEvent.call(target, window.event);
+ }
+ }
+});
+
+function _handleEvent(event) {
+ var returnValue = true;
+ // get a reference to the hash table of event listeners
+ var events = _eventMap[this.base2ID];
+ if (events) {
+ Event.bind(event); // fix the event object
+ var listeners = events[event.type];
+ // execute each event listener
+ for (var i in listeners) {
+ var listener = listeners[i];
+ // support the EventListener interface
+ if (listener.handleEvent) {
+ var result = listener.handleEvent(event);
+ } else {
+ result = listener.call(this, event);
+ }
+ if (result === false || event.returnValue === false) returnValue =
false;
+ }
+ }
+ return returnValue;
+};
+
+//
=========================================================================
+// DOM/events/DocumentEvent.js
+//
=========================================================================
+
+// http://www.w3.org/TR/DOM-Level-2-Events/events.html#Events-DocumentEvent
+
+var DocumentEvent = Interface.extend({
+ "@!(document.createEvent)": {
+ createEvent: function(document, type) {
+ return Event.bind({});
+ },
+
+ "@(document.createEventObject)": {
+ createEvent: function(document, type) {
+ return Event.bind(document.createEventObject());
+ }
+ }
+ },
+
+ "@(document.createEvent)": {
+ "@!(document.createEvent('Events'))": { // before Safari 3
+ createEvent: function(document, type) {
+ return this.base(document, type == "Events" ? "UIEvents" : type);
+ }
+ }
+ }
+});
+
+//
=========================================================================
+// DOM/events/DOMContentLoadedEvent.js
+//
=========================================================================
+
+// http://dean.edwards.name/weblog/2006/06/again
+
+var DOMContentLoadedEvent = Base.extend({
+ constructor: function(document) {
+ var fired = false;
+ this.fire = function() {
+ if (!fired) {
+ fired = true;
+ // this function will be called from another event handler so
we'll user a timer
+ // to drop out of any current event
+ setTimeout(function() {
+ var event = DocumentEvent.createEvent(document, "Events");
+ Event.initEvent(event, "DOMContentLoaded", false, false);
+ EventTarget.dispatchEvent(document, event);
+ }, 1);
+ }
+ };
+ // use the real event for browsers that support it (opera & firefox)
+ EventTarget.addEventListener(document, "DOMContentLoaded", function() {
+ fired = true;
+ }, false);
+ this.listen(document);
+ },
+
+ listen: function(document) {
+ // if all else fails fall back on window.onload
+
EventTarget.addEventListener(Traversal.getDefaultView(document), "load",
this.fire, false);
+ },
+
+ "@MSIE.+win": {
+ listen: function(document) {
+ if (document.readyState != "complete") {
+ // Matthias Miller/Mark Wubben/Paul Sowden/Me
+ var event = this;
+ document.write("<script id=__ready defer src=//:><\/script>");
+ document.all.__ready.onreadystatechange = function() {
+ if (this.readyState == "complete") {
+ this.removeNode(); // tidy
+ event.fire();
+ }
+ };
+ }
+ }
+ },
+
+ "@KHTML": {
+ listen: function(document) {
+ // John Resig
+ if (document.readyState != "complete") {
+ var event = this;
+ var timer = setInterval(function() {
+ if (/loaded|complete/.test(document.readyState)) {
+ clearInterval(timer);
+ event.fire();
+ }
+ }, 100);
+ }
+ }
+ }
+});
+
+new DOMContentLoadedEvent(document);
+
+//
=========================================================================
+// DOM/events/implementations.js
+//
=========================================================================
+
+Document.implement(DocumentEvent);
+Document.implement(EventTarget);
+
+Element.implement(EventTarget);
+
+//
=========================================================================
+// DOM/style/ViewCSS.js
+//
=========================================================================
+
+// http://www.w3.org/TR/DOM-Level-2-Style/css.html#CSS-ViewCSS
+
+var _PIXEL = /^\d+(px)?$/i;
+var _METRICS = /(width|height|top|bottom|left|right|fontSize)$/;
+var _COLOR = /^(color|backgroundColor)$/;
+
+var ViewCSS = Interface.extend({
+ "@!(document.defaultView.getComputedStyle)": {
+ "@MSIE": {
+ getComputedStyle: function(view, element, pseudoElement) {
+ // pseudoElement parameter is not supported
+ var currentStyle = element.currentStyle;
+ var computedStyle = {};
+ for (var i in currentStyle) {
+ if (_METRICS.test(i)) {
+ computedStyle[i] = _MSIE_getPixelValue(element,
computedStyle[i]) + "px";
+ } else if (_COLOR.test(i)) {
+ computedStyle[i] = _MSIE_getColorValue(element, i
== "color" ? "ForeColor" : "BackColor");
+ } else {
+ computedStyle[i] = currentStyle[i];
+ }
+ }
+ return computedStyle;
+ }
+ }
+ },
+
+ getComputedStyle: function(view, element, pseudoElement) {
+ return _CSSStyleDeclaration_ReadOnly.bind(this.base(view, element,
pseudoElement));
+ }
+}, {
+ toCamelCase: function(string) {
+ return string.replace(/\-([a-z])/g, function(match, chr) {
+ return chr.toUpperCase();
+ });
+ }
+});
+
+function _MSIE_getPixelValue(element, value) {
+ if (_PIXEL.test(value)) return parseInt(value);
+ var styleLeft = element.style.left;
+ var runtimeStyleLeft = element.runtimeStyle.left;
+ element.runtimeStyle.left = element.currentStyle.left;
+ element.style.left = value || 0;
+ value = element.style.pixelLeft;
+ element.style.left = styleLeft;
+ element.runtimeStyle.left = runtimeStyleLeft;
+ return value;
+};
+
+function _MSIE_getColorValue(element, value) {
+ var range = element.document.body.createTextRange();
+ range.moveToElementText(element);
+ var color = range.queryCommandValue(value);
+ return format("rgb(%1,%2,%3)", color & 0xff, (color & 0xff00) >> 8,
(color & 0xff0000) >> 16);
+};
+
+//
=========================================================================
+// DOM/style/CSSStyleDeclaration.js
+//
=========================================================================
+
+// http://www.w3.org/TR/DOM-Level-2-Style/css.html#CSS-CSSStyleDeclaration
+
+var _CSSStyleDeclaration_ReadOnly = Binding.extend({
+ getPropertyValue: function(style, propertyName) {
+ return this.base(style, _CSSPropertyNameMap[propertyName] ||
propertyName);
+ },
+
+ "@MSIE.+win": {
+ getPropertyValue: function(style, propertyName) {
+ return propertyName == "float" ? style.styleFloat :
style[ViewCSS.toCamelCase(propertyName)];
+ }
+ }
+});
+
+var CSSStyleDeclaration = _CSSStyleDeclaration_ReadOnly.extend({
+ setProperty: function(style, propertyName, value, important) {
+ return this.base(style, _CSSPropertyNameMap[propertyName] ||
propertyName, value, important);
+ },
+
+ "@MSIE.+win": {
+ setProperty: function(style, propertyName, value, priority) {
+ if (propertyName == "opacity") {
+ value *= 100;
+ style.opacity = value;
+ style.zoom = 1;
+ style.filter = "Alpha(opacity=" + value + ")";
+ } else {
+ style.setAttribute(propertyName, value);
+ }
+ }
+ }
+}, {
+ "@MSIE": {
+ bind: function(style) {
+ style.getPropertyValue = this.prototype.getPropertyValue;
+ style.setProperty = this.prototype.setProperty;
+ return style;
+ }
+ }
+});
+
+var _CSSPropertyNameMap = new Base({
+ "@Gecko": {
+ opacity: "-moz-opacity"
+ },
+
+ "@KHTML": {
+ opacity: "-khtml-opacity"
+ }
+});
+
+with (CSSStyleDeclaration.prototype) getPropertyValue.toString =
setProperty.toString = function() {
+ return "[base2]";
+};
+
+//
=========================================================================
+// DOM/style/implementations.js
+//
=========================================================================
+
+AbstractView.implement(ViewCSS);
+
+//
=========================================================================
+// DOM/selectors-api/NodeSelector.js
+//
=========================================================================
+
+// http://www.w3.org/TR/selectors-api/
+
+var NodeSelector = Interface.extend({
+ "@!(element.querySelector)": { // future-proof
+ querySelector: function(node, selector) {
+ return new Selector(selector).exec(node, 1);
+ },
+
+ querySelectorAll: function(node, selector) {
+ return new Selector(selector).exec(node);
+ }
+ }
+});
+
+// automatically bind objects retrieved using the Selectors API
+
+extend(NodeSelector.prototype, {
+ querySelector: function(selector) {
+ return DOM.bind(this.base(selector));
+ },
+
+ querySelectorAll: function(selector) {
+ return extend(this.base(selector), "item", function(index) {
+ return DOM.bind(this.base(index));
+ });
+ }
+});
+
+//
=========================================================================
+// DOM/selectors-api/DocumentSelector.js
+//
=========================================================================
+
+// http://www.w3.org/TR/selectors-api/#documentselector
+
+var DocumentSelector = NodeSelector.extend();
+
+//
=========================================================================
+// DOM/selectors-api/ElementSelector.js
+//
=========================================================================
+
+var ElementSelector = NodeSelector.extend({
+ "@!(element.matchesSelector)": { // future-proof
+ matchesSelector: function(element, selector) {
+ return new Selector(selector).test(element);
+ }
+ }
+});
+
+//
=========================================================================
+// DOM/selectors-api/StaticNodeList.js
+//
=========================================================================
+
+// http://www.w3.org/TR/selectors-api/#staticnodelist
+
+// A wrapper for an array of elements or an XPathResult.
+// The item() method provides access to elements.
+// Implements Enumerable so you can forEach() to your heart's
content... :-)
+
+var StaticNodeList = Base.extend({
+ constructor: function(nodes) {
+ nodes = nodes || [];
+ this.length = nodes.length;
+ this.item = function(index) {
+ return nodes[index];
+ };
+ },
+
+ length: 0,
+
+ forEach: function(block, context) {
+ for (var i = 0; i < this.length; i++) {
+ block.call(context, this.item(i), i, this);
+ }
+ },
+
+ item: Undefined, // defined in the constructor function
+
+ "@(XPathResult)": {
+ constructor: function(nodes) {
+ //- if (nodes instanceof XPathResult) { // doesn't work in Safari
+ if (nodes && nodes.snapshotItem) {
+ this.length = nodes.snapshotLength;
+ this.item = function(index) {
+ return nodes.snapshotItem(index);
+ };
+ } else this.base(nodes);
+ }
+ }
+});
+
+StaticNodeList.implement(Enumerable);
+
+//
=========================================================================
+// DOM/selectors-api/CSSParser.js
+//
=========================================================================
+
+var _CSS_ESCAPE = /'(\\.|[^'\\])*'|"(\\.|[^"\\])*"/g,
+ _CSS_IMPLIED_ASTERISK = /([\s>+~,]|[^(]\+|^)([#.:\[])/g,
+ _CSS_IMPLIED_SPACE = /(^|,)([^\s>+~])/g,
+ _CSS_WHITESPACE = /\s*([\s>+~(),]|^|$)\s*/g,
+ _CSS_WILD_CARD = /\s\*\s/g,
+ _CSS_UNESCAPE = /\x01(\d+)/g,
+ _QUOTE = /'/g;
+
+var CSSParser = RegGrp.extend({
+ constructor: function(items) {
+ this.base(items);
+ this.cache = {};
+ this.sorter = new RegGrp;
+ this.sorter.add(/:not\([^)]*\)/, RegGrp.IGNORE);
+ this.sorter.add(/([ >](\*|[\w-]+))([^:
>+~]*)(:\w+-child(\([^)]+\))?)([^: >+~]*)/, "$1$3$6$4");
+ },
+
+ cache: null,
+ ignoreCase: true,
+
+ escape: function(selector) {
+ // remove strings
+ var strings = this._strings = [];
+ return this.optimise(this.format(String(selector).replace(_CSS_ESCAPE,
function(string) {
+ return "\x01" + strings.push(string.slice(1,
-1).replace(_QUOTE, "\\'"));
+ })));
+ },
+
+ format: function(selector) {
+ return selector
+ .replace(_CSS_WHITESPACE, "$1")
+ .replace(_CSS_IMPLIED_SPACE, "$1 $2")
+ .replace(_CSS_IMPLIED_ASTERISK, "$1*$2");
+ },
+
+ optimise: function(selector) {
+ // optimise wild card descendant selectors
+ return this.sorter.exec(selector.replace(_CSS_WILD_CARD, ">* "));
+ },
+
+ parse: function(selector) {
+ return this.cache[selector] ||
+ (this.cache[selector] =
this.unescape(this.exec(this.escape(selector))));
+ },
+
+ unescape: function(selector) {
+ // put string values back
+ var strings = this._strings;
+ return selector.replace(_CSS_UNESCAPE, function(match, index) {
+ return strings[index - 1];
+ });
+ }
+});
+
+function _nthChild(match, args, position, last, not, and, mod, equals) {
+ // ugly but it works for both CSS and XPath
+ last = /last/i.test(match) ? last + "+1-" : "";
+ if (!isNaN(args)) args = "0n+" + args;
+ else if (args == "even") args = "2n";
+ else if (args == "odd") args = "2n+1";
+ args = args.split("n");
+ var a = args[0] ? (args[0] == "-") ? -1 : parseInt(args[0]) : 1;
+ var b = parseInt(args[1]) || 0;
+ var negate = a < 0;
+ if (negate) {
+ a = -a;
+ if (a == 1) b++;
+ }
+ var query = format(a == 0 ? "%3%7" + (last +
b) : "(%4%3-%2)%6%1%70%5%4%3>=%2", a, b, position, last, and, mod, equals);
+ if (negate) query = not + "(" + query + ")";
+ return query;
+};
+
+//
=========================================================================
+// DOM/selectors-api/XPathParser.js
+//
=========================================================================
+
+// XPath parser
+// converts CSS expressions to *optimised* XPath queries
+
+// This code used to be quite readable until I added code to optimise
*-child selectors.
+
+var XPathParser = CSSParser.extend({
+ constructor: function() {
+ this.base(XPathParser.rules);
+ // The sorter sorts child selectors to the end because they are slow.
+ // For XPath we need the child selectors to be sorted to the beginning,
+ // so we reverse the sort order. That's what this line does:
+ this.sorter.putAt(1, "$1$4$3$6");
+ },
+
+ escape: function(selector) {
+ return this.base(selector).replace(/,/g, "\x02");
+ },
+
+ unescape: function(selector) {
+ return this.base(selector
+ .replace(/\[self::\*\]/g, "") // remove redundant wild cards
+ .replace(/(^|\x02)\//g, "$1./") // context
+ .replace(/\x02/g, " | ") // put commas back
+ ).replace(/'[^'\\]*\\'(\\.|[^'\\])*'/g, function(match) { // escape
single quotes
+ return "concat(" + match.split("\\'").join("',\"'\",'") + ")";
+ });
+ },
+
+ "@opera": {
+ unescape: function(selector) {
+ // opera does not seem to support last() but I can't find any
+ // documentation to confirm this
+ return
this.base(selector.replace(/last\(\)/g, "count(preceding-sibling::*)+count(following-sibling::*)+1"));
+ }
+ }
+}, {
+ init: function() {
+ // build the prototype
+ this.values.attributes[""] = "[@$1]";
+ forEach (this.types, function(add, type) {
+ forEach (this.values[type], add, this.rules);
+ }, this);
+ },
+
+ optimised: {
+ pseudoClasses: {
+ "first-child": "[1]",
+ "last-child": "[last()]",
+ "only-child": "[last()=1]"
+ }
+ },
+
+ rules: extend({}, {
+ "@!KHTML": { // these optimisations do not work on Safari
+ // fast id() search
+ "(^|\\x02) (\\*|[\\w-]+)#([\\w-]+)": "$1id('$3')[self::$2]",
+ // optimise positional searches
+ "([ >])(\\*|[\\w-]+):([\\w-]+-child(\\(([^)]+)\\))?)":
function(match, token, tagName, pseudoClass, $4, args) {
+ var replacement = (token == " ") ? "//*" : "/*";
+ if (/^nth/i.test(pseudoClass)) {
+ replacement += _xpath_nthChild(pseudoClass, args, "position()");
+ } else {
+ replacement += XPathParser.optimised.pseudoClasses[pseudoClass];
+ }
+ return replacement + "[self::" + tagName + "]";
+ }
+ }
+ }),
+
+ types: {
+ identifiers: function(replacement, token) {
+ this[rescape(token) + "([\\w-]+)"] = replacement;
+ },
+
+ combinators: function(replacement, combinator) {
+ this[rescape(combinator) + "(\\*|[\\w-]+)"] = replacement;
+ },
+
+ attributes: function(replacement, operator) {
+ this["\\[([\\w-]+)\\s*" + rescape(operator) + "\\s*([^\\]]*)\\]"] =
replacement;
+ },
+
+ pseudoClasses: function(replacement, pseudoClass) {
+ this[":" + pseudoClass.replace(/\(\)$/, "\\(([^)]+)\\)")] =
replacement;
+ }
+ },
+
+ values: {
+ identifiers: {
+ "#": "[@id='$1'][1]", // ID selector
+ ".": "[contains(concat(' ',@class,' '),' $1 ')]" // class selector
+ },
+
+ combinators: {
+ " ": "/descendant::$1", // descendant selector
+ ">": "/child::$1", // child selector
+ "+": "/following-sibling::*[1][self::$1]", // direct adjacent
selector
+ "~": "/following-sibling::$1" // indirect adjacent selector
+ },
+
+ attributes: { // attribute selectors
+ "*=": "[contains(@$1,'$2')]",
+ "^=": "[starts-with(@$1,'$2')]",
+ "$=": "[substring(@$1,string-length(@$1)-string-length('$2')+1)='$2']",
+ "~=": "[contains(concat(' ',@$1,' '),' $2 ')]",
+ "|=": "[contains(concat('-',@$1,'-'),'-$2-')]",
+ "!=": "[not(@$1='$2')]",
+ "=": "[@$1='$2']"
+ },
+
+ pseudoClasses: { // pseudo class selectors
+ "empty": "[not(child::*) and not(text())]",
+//- "lang()": "[boolean(lang('$1') or
boolean(ancestor-or-self::*[@lang][1][starts-with(@lang,'$1')]))]",
+ "first-child": "[not(preceding-sibling::*)]",
+ "last-child": "[not(following-sibling::*)]",
+ "not()": _xpath_not,
+ "nth-child()": _xpath_nthChild,
+ "nth-last-child()": _xpath_nthChild,
+ "only-child": "[not(preceding-sibling::*) and
not(following-sibling::*)]",
+ "root": "[not(parent::*)]"
+ }
+ },
+
+ "@opera": {
+ init: function() {
+ this.optimised.pseudoClasses["last-child"] =
this.values.pseudoClasses["last-child"];
+ this.optimised.pseudoClasses["only-child"] =
this.values.pseudoClasses["only-child"];
+ this.base();
+ }
+ }
+});
+
+// these functions defined here to make the code more readable
+var _notParser = new XPathParser;
+function _xpath_not(match, args) {
+ return "[not(" + _notParser.exec(trim(args))
+ .replace(/\[1\]/g, "") // remove the "[1]" introduced by ID selectors
+ .replace(/^(\*|[\w-]+)/, "[self::$1]") // tagName test
+ .replace(/\]\[/g, " and ") // merge predicates
+ .slice(1, -1)
+ + ")]";
+};
+
+function _xpath_nthChild(match, args, position) {
+ return "[" + _nthChild(match, args, position |
| "count(preceding-sibling::*)+1", "last()", "not", " and ", " mod ", "=")
+ "]";
+};
+
+//
=========================================================================
+// DOM/selectors-api/Selector.js
+//
=========================================================================
+
+// This object can be instantiated, however it is probably better to use
+// the querySelector/querySelectorAll methods on DOM nodes.
+
+// There is no public standard for this object.
+
+var Selector = Base.extend({
+ constructor: function(selector) {
+ this.toString = K(trim(selector));
+ },
+
+ exec: function(context, single) {
+ return Selector.parse(this)(context, single);
+ },
+
+ test: function(element) {
+ //-dean: improve this for simple selectors
+ var selector = new Selector(this + "[b2-test]");
+ element.setAttribute("b2-test", true);
+ var result = selector.exec(Traversal.getOwnerDocument(element), true);
+ element.removeAttribute("b2-test");
+ return result == element;
+ },
+
+ toXPath: function() {
+ return Selector.toXPath(this);
+ },
+
+ "@(XPathResult)": {
+ exec: function(context, single) {
+ // use DOM methods if the XPath engine can't be used
+ if (_NOT_XPATH.test(this)) {
+ return this.base(context, single);
+ }
+ var document = Traversal.getDocument(context);
+ var type = single
+ ? 9 /* FIRST_ORDERED_NODE_TYPE */
+ : 7 /* ORDERED_NODE_SNAPSHOT_TYPE */;
+ var result = document.evaluate(this.toXPath(), context, null, type,
null);
+ return single ? result.singleNodeValue : result;
+ }
+ },
+
+ "@MSIE": {
+ exec: function(context, single) {
+ if (typeof context.selectNodes != "undefined"
&& !_NOT_XPATH.test(this)) { // xml
+ var method = single ? "selectSingleNode" : "selectNodes";
+ return context[method](this.toXPath());
+ }
+ return this.base(context, single);
+ }
+ },
+
+ "@(true)": {
+ exec: function(context, single) {
+ try {
+ var result = this.base(context || document, single);
+ } catch (error) { // probably an invalid selector =)
+ throw new SyntaxError(format("'%1' is not a valid CSS selector.",
this));
+ }
+ return single ? result : new StaticNodeList(result);
+ }
+ }
+}, {
+ toXPath: function(selector) {
+ if (!_xpathParser) _xpathParser = new XPathParser;
+ return _xpathParser.parse(selector);
+ }
+});
+
+var _NOT_XPATH = ":(checked|disabled|enabled|contains)|
^(#[\\w-]+\\s*)?\\w+$";
+if (detect("KHTML")) {
+ if (detect("WebKit5")) {
+ _NOT_XPATH += "|nth\\-|,";
+ } else {
+ _NOT_XPATH = ".";
+ }
+}
+_NOT_XPATH = new RegExp(_NOT_XPATH);
+
+// Selector.parse() - converts CSS selectors to DOM queries.
+
+// Hideous code but it produces fast DOM queries.
+// Respect due to Alex Russell and Jack Slocum for inspiration.
+
+var _OPERATORS = {
+ "=": "%1=='%2'",
+ "!=": "%1!='%2'", // not standard but other libraries support it
+ "~=": /(^| )%1( |$)/,
+ "|=": /^%1(-|$)/,
+ "^=": /^%1/,
+ "$=": /%1$/,
+ "*=": /%1/
+};
+_OPERATORS[""] = "%1!=null";
+
+var _PSEUDO_CLASSES = { //-dean: lang()
+ "checked": "e%1.checked",
+ "contains": "e%1[TEXT].indexOf('%2')!=-1",
+ "disabled": "e%1.disabled",
+ "empty": "Traversal.isEmpty(e%1)",
+ "enabled": "e%1.disabled===false",
+ "first-child": "!Traversal.getPreviousElementSibling(e%1)",
+ "last-child": "!Traversal.getNextElementSibling(e%1)",
+ "only-child": "!Traversal.getPreviousElementSibling(e%1)&&!Traversal.getNextElementSibling(e%1)",
+ "root": "e%1==Traversal.getDocument(e%1).documentElement"
+};
+
+var _INDEXED = detect("(element.sourceIndex)") ;
+var _VAR = "var p%2=0,i%2,e%2,n%2=e%1.";
+var _ID = _INDEXED ? "e%1.sourceIndex" : "assignID(e%1)";
+var _TEST = "var g=" + _ID + ";if(!p[g]){p[g]=1;";
+var _STORE = "r[r.length]=e%1;if(s)return e%1;";
+//var _SORT = "r.sort(sorter);";
+var _FN = "var _selectorFunction=function(e0,s){_indexed++;var
r=[],p={},reg=[%1]," +
+ "d=Traversal.getDocument(e0),c=d.body?'toUpperCase':'toString';";
+
+var _xpathParser;
+
+//var sorter = _INDEXED ? function(a, b) {
+// return a.sourceIndex - b.sourceIndex;
+//} : Node.compareDocumentPosition;
+
+// variables used by the parser
+
+var _reg; // a store for RexExp objects
+var _index;
+var _wild; // need to flag certain _wild card selectors as _MSIE includes
comment nodes
+var _list; // are we processing a node _list?
+var _duplicate; // possible duplicates?
+var _cache = {}; // store parsed selectors
+
+// a hideous parser
+var _parser = new CSSParser({
+ "^ \\*:root": function(match) { // :root pseudo class
+ _wild = false;
+ var replacement
= "e%2=d.documentElement;if(Traversal.contains(e%1,e%2)){";
+ return format(replacement, _index++, _index);
+ },
+
+ " (\\*|[\\w-]+)#([\\w-]+)": function(match, tagName, id) { // descendant
selector followed by ID
+ _wild = false;
+ var replacement = "var e%2=_byId(d,'%4');if(e%2&&";
+ if (tagName != "*") replacement += "e%2.nodeName=='%3'[c]()&&";
+ replacement += "Traversal.contains(e%1,e%2)){";
+ if (_list) replacement += format("i%1=n%1.length;", _list);
+ return format(replacement, _index++, _index, tagName, id);
+ },
+
+ " (\\*|[\\w-]+)": function(match, tagName) { // descendant selector
+ _duplicate++; // this selector may produce duplicates
+ _wild = tagName == "*";
+ var replacement = _VAR;
+ // IE5.x does not support getElementsByTagName("*");
+ replacement += (_wild &&
_MSIE5) ? "all" : "getElementsByTagName('%3')";
+ replacement += ";for(i%2=0;(e%2=n%2[i%2]);i%2++){";
+ return format(replacement, _index++, _list = _index, tagName);
+ },
+
+ ">(\\*|[\\w-]+)": function(match, tagName) { // child selector
+ var children = _MSIE && _list;
+ _wild = tagName == "*";
+ var replacement = _VAR;
+ // use the children property for _MSIE as it does not contain text
nodes
+ // (but the children collection still includes comments).
+ // the document object does not have a children collection
+ replacement += children ? "children": "childNodes";
+ if (!_wild && children) replacement += ".tags('%3')";
+ replacement += ";for(i%2=0;(e%2=n%2[i%2]);i%2++){";
+ if (_wild) {
+ replacement += "if(e%2.nodeType==1){";
+ _wild = _MSIE5;
+ } else {
+ if (!children) replacement += "if(e%2.nodeName=='%3'[c]()){";
+ }
+ return format(replacement, _index++, _list = _index, tagName);
+ },
+
+ "\\+(\\*|[\\w-]+)": function(match, tagName) { // direct adjacent
selector
+ var replacement = "";
+ if (_wild && _MSIE) replacement += "if(e%1.nodeName!='!'){";
+ _wild = false;
+ replacement += "e%1=Traversal.getNextElementSibling(e%1);if(e%1";
+ if (tagName != "*") replacement += "&&e%1.nodeName=='%2'[c]()";
+ replacement += "){";
+ return format(replacement, _index, tagName);
+ },
+
+ "~(\\*|[\\w-]+)": function(match, tagName) { // indirect adjacent
selector
+ var replacement = "";
+ if (_wild && _MSIE) replacement += "if(e%1.nodeName!='!'){";
+ _wild = false;
+ _duplicate = 2; // this selector may produce duplicates
+ replacement
+= "while(e%1=e%1.nextSibling){if(e%1.b2_adjacent==_indexed)break;if(";
+ if (tagName == "*") {
+ replacement += "e%1.nodeType==1";
+ if (_MSIE5) replacement += "&&e%1.nodeName!='!'";
+ } else replacement += "e%1.nodeName=='%2'[c]()";
+ replacement += "){e%1.b2_adjacent=_indexed;";
+ return format(replacement, _index, tagName);
+ },
+
+ "#([\\w-]+)": function(match, id) { // ID selector
+ _wild = false;
+ var replacement = "if(e%1.id=='%2'){";
+ if (_list) replacement += format("i%1=n%1.length;", _list);
+ return format(replacement, _index, id);
+ },
+
+ "\\.([\\w-]+)": function(match, className) { // class selector
+ _wild = false;
+ // store RegExp objects - slightly faster on IE
+ _reg.push(new RegExp("(^|\\s)" + rescape(className) + "(\\s|$)"));
+ return format("if(e%1.className&&reg[%2].test(e%1.className)){",
_index, _reg.length - 1);
+ },
+
+ ":not\\((\\*|[\\w-]+)?([^)]*)\\)": function(match, tagName, filters) {
// :not pseudo class
+ var replacement = (tagName && tagName != "*") ?
format("if(e%1.nodeName=='%2'[c]()){", _index, tagName) : "";
+ replacement += _parser.exec(filters);
+ return "if(!" + replacement.slice(2, -1).replace(/\)\{if\(/g, "&&")
+ "){";
+ },
+
+ ":nth(-last)?-child\\(([^)]+)\\)": function(match, last, args) {
// :nth-child pseudo classes
+ _wild = false;
+ last = format("e%1.parentNode.b2_length", _index);
+ var replacement
= "if(p%1!==e%1.parentNode)p%1=_register(e%1.parentNode);";
+ replacement += "var
i=e%1[p%1.b2_lookup];if(p%1.b2_lookup!='b2_index')i++;if(";
+ return format(replacement, _index) + _nthChild(match, args, "i",
last, "!", "&&", "%", "==") + "){";
+ },
+
+ ":([\\w-]+)(\\(([^)]+)\\))?": function(match, pseudoClass, $2, args) {
// other pseudo class selectors
+ return "if(" + format(_PSEUDO_CLASSES[pseudoClass] || "throw", _index,
args || "") + "){";
+ },
+
+ "\\[([\\w-]+)\\s*([^=]?=)?\\s*([^\\]]*)\\]": function(match, attr,
operator, value) { // attribute selectors
+ var alias = _ATTRIBUTES[attr] || attr;
+ if (operator) {
+ var getAttribute = "e%1.getAttribute('%2',2)";
+ if (!_EVALUATED.test(attr)) {
+ getAttribute = "e%1.%3||" + getAttribute;
+ }
+ attr = format("(" + getAttribute + ")", _index, attr, alias);
+ } else {
+ attr = format("Element.getAttribute(e%1,'%2')", _index, attr);
+ }
+ var replacement = _OPERATORS[operator || ""];
+ if (instanceOf(replacement, RegExp)) {
+ _reg.push(new RegExp(format(replacement.source,
rescape(_parser.unescape(value)))));
+ replacement = "reg[%2].test(%1)";
+ value = _reg.length - 1;
+ }
+ return "if(" + format(replacement, attr, value) + "){";
+ }
+});
+
+new function(_) {
+ // IE confuses the name attribute with id for form elements,
+ // use document.all to retrieve all elements with name/id instead
+ var _byId = _MSIE ? function(document, id) {
+ var result = document.all[id] || null;
+ // returns a single element or a collection
+ if (!result || result.id == id) return result;
+ // document.all has returned a collection of elements with name/id
+ for (var i = 0; i < result.length; i++) {
+ if (result[i].id == id) return result[i];
+ }
+ return null;
+ } : function(document, id) {
+ return document.getElementById(id);
+ };
+
+ // register a node and index its children
+ var _indexed = 1;
+ function _register(element) {
+ if (element.rows) {
+ element.b2_length = element.rows.length;
+ element.b2_lookup = "rowIndex";
+ } else if (element.cells) {
+ element.b2_length = element.cells.length;
+ element.b2_lookup = "cellIndex";
+ } else if (element.b2_indexed != _indexed) {
+ var index = 0;
+ var child = element.firstChild;
+ while (child) {
+ if (child.nodeType == 1 && child.nodeName != "!") {
+ child.b2_index = ++index;
+ }
+ child = child.nextSibling;
+ }
+ element.b2_length = index;
+ element.b2_lookup = "b2_index";
+ }
+ element.b2_indexed = _indexed;
+ return element;
+ };
+
+ Selector.parse = function(selector) {
+ if (!_cache[selector]) {
+ _reg = []; // store for RegExp objects
+ var fn = "";
+ var selectors = _parser.escape(selector).split(",");
+ for (var i = 0; i < selectors.length; i++) {
+ _wild = _index = _list = 0; // reset
+ _duplicate = selectors.length > 1 ? 2 : 0; // reset
+ var block = _parser.exec(selectors[i]) || "throw;";
+ if (_wild && _MSIE) { // IE's pesky comment nodes
+ block += format("if(e%1.nodeName!='!'){", _index);
+ }
+ // check for duplicates before storing results
+ var store = (_duplicate > 1) ? _TEST : "";
+ block += format(store + _STORE, _index);
+ // add closing braces
+ block += Array(match(block, /\{/g).length + 1).join("}");
+ fn += block;
+ }
+// if (selectors.length > 1) fn += _SORT;
+ eval(format(_FN, _reg) + _parser.unescape(fn) + "return s?null:r}");
+ _cache[selector] = _selectorFunction;
+ }
+ return _cache[selector];
+ };
+};
+
+//
=========================================================================
+// DOM/selectors-api/implementations.js
+//
=========================================================================
+
+Document.implement(DocumentSelector);
+Element.implement(ElementSelector);
+
+//
=========================================================================
+// DOM/html/HTMLDocument.js
+//
=========================================================================
+
+// http://www.whatwg.org/specs/web-apps/current-work/#htmldocument
+
+var HTMLDocument = Document.extend(null, {
+ // http://www.whatwg.org/specs/web-apps/current-work/#activeelement
+ "@(document.activeElement===undefined)": {
+ bind: function(document) {
+ document.activeElement = null;
+ EventTarget.addEventListener(document, "focus", function(event) {
//-dean: is onfocus good enough?
+ document.activeElement = event.target;
+ }, false);
+ return this.base(document);
+ }
+ }
+});
+
+//
=========================================================================
+// DOM/html/HTMLElement.js
+//
=========================================================================
+
+// The className methods are not standard but are extremely handy. :-)
+
+var HTMLElement = Element.extend({
+ addClass: function(element, className) {
+ if (!this.hasClass(element, className)) {
+ element.className += (element.className ? " " : "") + className;
+ }
+ },
+
+ hasClass: function(element, className) {
+ var regexp = new RegExp("(^|\\s)" + className + "(\\s|$)");
+ return regexp.test(element.className);
+ },
+
+ removeClass: function(element, className) {
+ var regexp = new RegExp("(^|\\s)" + className + "(\\s|$)", "g");
+ element.className = trim(element.className.replace(regexp, "$2"));
+ },
+
+ toggleClass: function(element, className) {
+ if (this.hasClass(element, className)) {
+ this.removeClass(element, className);
+ } else {
+ this.addClass(element, className);
+ }
+ }
+}, {
+ bindings: {},
+ tags: "*",
+
+ bind: function(element) {
+ CSSStyleDeclaration.bind(element.style);
+ return this.base(element);
+ },
+
+ extend: function() {
+ // Maintain HTML element bindings.
+ // This allows us to map specific interfaces to elements by reference
+ // to tag name.
+ var binding = base(this, arguments);
+ var tags = (binding.tags || "").toUpperCase().split(",");
+ forEach (tags, function(tagName) {
+ HTMLElement.bindings[tagName] = binding;
+ });
+ return binding;
+ },
+
+ "@!(element.ownerDocument)": {
+ bind: function(element) {
+ element.ownerDocument = Traversal.getOwnerDocument(element);
+ return this.base(element);
+ }
+ }
+});
+
+HTMLElement.extend(null, {
+ tags: "APPLET,EMBED",
+ bind: I // Binding not allowed for these elements.
+});

-lang.base = base;
-lang.extend = extend;
+eval(this.exports);

}; //////////////////// END: CLOSURE
/////////////////////////////////////