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/***
MochiKit.Base 1.4
(c) 2005 Bob Ippolito. All rights Reserved.
***/
if (typeof(dojo) != 'undefined') {
dojo.provide("MochiKit.Base");
}
if (typeof(MochiKit) == 'undefined') {
MochiKit = {};
}
if (typeof(MochiKit.Base) == 'undefined') {
MochiKit.Base = {};
}
if (typeof(MochiKit.__export__) == "undefined") {
MochiKit.__export__ = (MochiKit.__compat__ ||
(typeof(JSAN) == 'undefined' && typeof(dojo) == 'undefined')
);
}
MochiKit.Base.VERSION = "1.4";
MochiKit.Base.NAME = "MochiKit.Base";
/** @id MochiKit.Base.update */
MochiKit.Base.update = function (self, obj/*, ... */) {
if (self === null) {
self = {};
}
for (var i = 1; i < arguments.length; i++) {
var o = arguments[i];
if (typeof(o) != 'undefined' && o !== null) {
for (var k in o) {
self[k] = o[k];
}
}
}
return self;
};
MochiKit.Base.update(MochiKit.Base, {
__repr__: function () {
return "[" + this.NAME + " " + this.VERSION + "]";
},
toString: function () {
return this.__repr__();
},
/** @id MochiKit.Base.camelize */
camelize: function (selector) {
/* from dojo.style.toCamelCase */
var arr = selector.split('-');
var cc = arr[0];
for (var i = 1; i < arr.length; i++) {
cc += arr[i].charAt(0).toUpperCase() + arr[i].substring(1);
}
return cc;
},
/** @id MochiKit.Base.counter */
counter: function (n/* = 1 */) {
if (arguments.length === 0) {
n = 1;
}
return function () {
return n++;
};
},
/** @id MochiKit.Base.clone */
clone: function (obj) {
var me = arguments.callee;
if (arguments.length == 1) {
me.prototype = obj;
return new me();
}
},
_flattenArray: function (res, lst) {
for (var i = 0; i < lst.length; i++) {
var o = lst[i];
if (o instanceof Array) {
arguments.callee(res, o);
} else {
res.push(o);
}
}
return res;
},
/** @id MochiKit.Base.flattenArray */
flattenArray: function (lst) {
return MochiKit.Base._flattenArray([], lst);
},
/** @id MochiKit.Base.flattenArguments */
flattenArguments: function (lst/* ...*/) {
var res = [];
var m = MochiKit.Base;
var args = m.extend(null, arguments);
while (args.length) {
var o = args.shift();
if (o && typeof(o) == "object" && typeof(o.length) == "number") {
for (var i = o.length - 1; i >= 0; i--) {
args.unshift(o[i]);
}
} else {
res.push(o);
}
}
return res;
},
/** @id MochiKit.Base.extend */
extend: function (self, obj, /* optional */skip) {
// Extend an array with an array-like object starting
// from the skip index
if (!skip) {
skip = 0;
}
if (obj) {
// allow iterable fall-through, but skip the full isArrayLike
// check for speed, this is called often.
var l = obj.length;
if (typeof(l) != 'number' /* !isArrayLike(obj) */) {
if (typeof(MochiKit.Iter) != "undefined") {
obj = MochiKit.Iter.list(obj);
l = obj.length;
} else {
throw new TypeError("Argument not an array-like and MochiKit.Iter not present");
}
}
if (!self) {
self = [];
}
for (var i = skip; i < l; i++) {
self.push(obj[i]);
}
}
// This mutates, but it's convenient to return because
// it's often used like a constructor when turning some
// ghetto array-like to a real array
return self;
},
/** @id MochiKit.Base.updatetree */
updatetree: function (self, obj/*, ...*/) {
if (self === null) {
self = {};
}
for (var i = 1; i < arguments.length; i++) {
var o = arguments[i];
if (typeof(o) != 'undefined' && o !== null) {
for (var k in o) {
var v = o[k];
if (typeof(self[k]) == 'object' && typeof(v) == 'object') {
arguments.callee(self[k], v);
} else {
self[k] = v;
}
}
}
}
return self;
},
/** @id MochiKit.Base.setdefault */
setdefault: function (self, obj/*, ...*/) {
if (self === null) {
self = {};
}
for (var i = 1; i < arguments.length; i++) {
var o = arguments[i];
for (var k in o) {
if (!(k in self)) {
self[k] = o[k];
}
}
}
return self;
},
/** @id MochiKit.Base.keys */
keys: function (obj) {
var rval = [];
for (var prop in obj) {
rval.push(prop);
}
return rval;
},
/** @id MochiKit.Base.values */
values: function (obj) {
var rval = [];
for (var prop in obj) {
rval.push(obj[prop]);
}
return rval;
},
/** @id MochiKit.Base.items */
items: function (obj) {
var rval = [];
var e;
for (var prop in obj) {
var v;
try {
v = obj[prop];
} catch (e) {
continue;
}
rval.push([prop, v]);
}
return rval;
},
_newNamedError: function (module, name, func) {
func.prototype = new MochiKit.Base.NamedError(module.NAME + "." + name);
module[name] = func;
},
/** @id MochiKit.Base.operator */
operator: {
// unary logic operators
/** @id MochiKit.Base.truth */
truth: function (a) { return !!a; },
/** @id MochiKit.Base.lognot */
lognot: function (a) { return !a; },
/** @id MochiKit.Base.identity */
identity: function (a) { return a; },
// bitwise unary operators
/** @id MochiKit.Base.not */
not: function (a) { return ~a; },
/** @id MochiKit.Base.neg */
neg: function (a) { return -a; },
// binary operators
/** @id MochiKit.Base.add */
add: function (a, b) { return a + b; },
/** @id MochiKit.Base.sub */
sub: function (a, b) { return a - b; },
/** @id MochiKit.Base.div */
div: function (a, b) { return a / b; },
/** @id MochiKit.Base.mod */
mod: function (a, b) { return a % b; },
/** @id MochiKit.Base.mul */
mul: function (a, b) { return a * b; },
// bitwise binary operators
/** @id MochiKit.Base.and */
and: function (a, b) { return a & b; },
/** @id MochiKit.Base.or */
or: function (a, b) { return a | b; },
/** @id MochiKit.Base.xor */
xor: function (a, b) { return a ^ b; },
/** @id MochiKit.Base.lshift */
lshift: function (a, b) { return a << b; },
/** @id MochiKit.Base.rshift */
rshift: function (a, b) { return a >> b; },
/** @id MochiKit.Base.zrshift */
zrshift: function (a, b) { return a >>> b; },
// near-worthless built-in comparators
/** @id MochiKit.Base.eq */
eq: function (a, b) { return a == b; },
/** @id MochiKit.Base.ne */
ne: function (a, b) { return a != b; },
/** @id MochiKit.Base.gt */
gt: function (a, b) { return a > b; },
/** @id MochiKit.Base.ge */
ge: function (a, b) { return a >= b; },
/** @id MochiKit.Base.lt */
lt: function (a, b) { return a < b; },
/** @id MochiKit.Base.le */
le: function (a, b) { return a <= b; },
// strict built-in comparators
seq: function (a, b) { return a === b; },
sne: function (a, b) { return a !== b; },
// compare comparators
/** @id MochiKit.Base.ceq */
ceq: function (a, b) { return MochiKit.Base.compare(a, b) === 0; },
/** @id MochiKit.Base.cne */
cne: function (a, b) { return MochiKit.Base.compare(a, b) !== 0; },
/** @id MochiKit.Base.cgt */
cgt: function (a, b) { return MochiKit.Base.compare(a, b) == 1; },
/** @id MochiKit.Base.cge */
cge: function (a, b) { return MochiKit.Base.compare(a, b) != -1; },
/** @id MochiKit.Base.clt */
clt: function (a, b) { return MochiKit.Base.compare(a, b) == -1; },
/** @id MochiKit.Base.cle */
cle: function (a, b) { return MochiKit.Base.compare(a, b) != 1; },
// binary logical operators
/** @id MochiKit.Base.logand */
logand: function (a, b) { return a && b; },
/** @id MochiKit.Base.logor */
logor: function (a, b) { return a || b; },
/** @id MochiKit.Base.contains */
contains: function (a, b) { return b in a; }
},
/** @id MochiKit.Base.forwardCall */
forwardCall: function (func) {
return function () {
return this[func].apply(this, arguments);
};
},
/** @id MochiKit.Base.itemgetter */
itemgetter: function (func) {
return function (arg) {
return arg[func];
};
},
/** @id MochiKit.Base.typeMatcher */
typeMatcher: function (/* typ */) {
var types = {};
for (var i = 0; i < arguments.length; i++) {
var typ = arguments[i];
types[typ] = typ;
}
return function () {
for (var i = 0; i < arguments.length; i++) {
if (!(typeof(arguments[i]) in types)) {
return false;
}
}
return true;
};
},
/** @id MochiKit.Base.isNull */
isNull: function (/* ... */) {
for (var i = 0; i < arguments.length; i++) {
if (arguments[i] !== null) {
return false;
}
}
return true;
},
/** @id MochiKit.Base.isUndefinedOrNull */
isUndefinedOrNull: function (/* ... */) {
for (var i = 0; i < arguments.length; i++) {
var o = arguments[i];
if (!(typeof(o) == 'undefined' || o === null)) {
return false;
}
}
return true;
},
/** @id MochiKit.Base.isEmpty */
isEmpty: function (obj) {
return !MochiKit.Base.isNotEmpty.apply(this, arguments);
},
/** @id MochiKit.Base.isNotEmpty */
isNotEmpty: function (obj) {
for (var i = 0; i < arguments.length; i++) {
var o = arguments[i];
if (!(o && o.length)) {
return false;
}
}
return true;
},
/** @id MochiKit.Base.isArrayLike */
isArrayLike: function () {
for (var i = 0; i < arguments.length; i++) {
var o = arguments[i];
var typ = typeof(o);
if (
(typ != 'object' && !(typ == 'function' && typeof(o.item) == 'function')) ||
o === null ||
typeof(o.length) != 'number' ||
o.nodeType === 3
) {
return false;
}
}
return true;
},
/** @id MochiKit.Base.isDateLike */
isDateLike: function () {
for (var i = 0; i < arguments.length; i++) {
var o = arguments[i];
if (typeof(o) != "object" || o === null
|| typeof(o.getTime) != 'function') {
return false;
}
}
return true;
},
/** @id MochiKit.Base.xmap */
xmap: function (fn/*, obj... */) {
if (fn === null) {
return MochiKit.Base.extend(null, arguments, 1);
}
var rval = [];
for (var i = 1; i < arguments.length; i++) {
rval.push(fn(arguments[i]));
}
return rval;
},
/** @id MochiKit.Base.map */
map: function (fn, lst/*, lst... */) {
var m = MochiKit.Base;
var itr = MochiKit.Iter;
var isArrayLike = m.isArrayLike;
if (arguments.length <= 2) {
// allow an iterable to be passed
if (!isArrayLike(lst)) {
if (itr) {
// fast path for map(null, iterable)
lst = itr.list(lst);
if (fn === null) {
return lst;
}
} else {
throw new TypeError("Argument not an array-like and MochiKit.Iter not present");
}
}
// fast path for map(null, lst)
if (fn === null) {
return m.extend(null, lst);
}
// disabled fast path for map(fn, lst)
/*
if (false && typeof(Array.prototype.map) == 'function') {
// Mozilla fast-path
return Array.prototype.map.call(lst, fn);
}
*/
var rval = [];
for (var i = 0; i < lst.length; i++) {
rval.push(fn(lst[i]));
}
return rval;
} else {
// default for map(null, ...) is zip(...)
if (fn === null) {
fn = Array;
}
var length = null;
for (i = 1; i < arguments.length; i++) {
// allow iterables to be passed
if (!isArrayLike(arguments[i])) {
if (itr) {
return itr.list(itr.imap.apply(null, arguments));
} else {
throw new TypeError("Argument not an array-like and MochiKit.Iter not present");
}
}
// find the minimum length
var l = arguments[i].length;
if (length === null || length > l) {
length = l;
}
}
rval = [];
for (i = 0; i < length; i++) {
var args = [];
for (var j = 1; j < arguments.length; j++) {
args.push(arguments[j][i]);
}
rval.push(fn.apply(this, args));
}
return rval;
}
},
/** @id MochiKit.Base.xfilter */
xfilter: function (fn/*, obj... */) {
var rval = [];
if (fn === null) {
fn = MochiKit.Base.operator.truth;
}
for (var i = 1; i < arguments.length; i++) {
var o = arguments[i];
if (fn(o)) {
rval.push(o);
}
}
return rval;
},
/** @id MochiKit.Base.filter */
filter: function (fn, lst, self) {
var rval = [];
// allow an iterable to be passed
var m = MochiKit.Base;
if (!m.isArrayLike(lst)) {
if (MochiKit.Iter) {
lst = MochiKit.Iter.list(lst);
} else {
throw new TypeError("Argument not an array-like and MochiKit.Iter not present");
}
}
if (fn === null) {
fn = m.operator.truth;
}
if (typeof(Array.prototype.filter) == 'function') {
// Mozilla fast-path
return Array.prototype.filter.call(lst, fn, self);
} else if (typeof(self) == 'undefined' || self === null) {
for (var i = 0; i < lst.length; i++) {
var o = lst[i];
if (fn(o)) {
rval.push(o);
}
}
} else {
for (i = 0; i < lst.length; i++) {
o = lst[i];
if (fn.call(self, o)) {
rval.push(o);
}
}
}
return rval;
},
_wrapDumbFunction: function (func) {
return function () {
// fast path!
switch (arguments.length) {
case 0: return func();
case 1: return func(arguments[0]);
case 2: return func(arguments[0], arguments[1]);
case 3: return func(arguments[0], arguments[1], arguments[2]);
}
var args = [];
for (var i = 0; i < arguments.length; i++) {
args.push("arguments[" + i + "]");
}
return eval("(func(" + args.join(",") + "))");
};
},
/** @id MochiKit.Base.methodcaller */
methodcaller: function (func/*, args... */) {
var args = MochiKit.Base.extend(null, arguments, 1);
if (typeof(func) == "function") {
return function (obj) {
return func.apply(obj, args);
};
} else {
return function (obj) {
return obj[func].apply(obj, args);
};
}
},
/** @id MochiKit.Base.method */
method: function (self, func) {
var m = MochiKit.Base;
return m.bind.apply(this, m.extend([func, self], arguments, 2));
},
/** @id MochiKit.Base.compose */
compose: function (f1, f2/*, f3, ... fN */) {
var fnlist = [];
var m = MochiKit.Base;
if (arguments.length === 0) {
throw new TypeError("compose() requires at least one argument");
}
for (var i = 0; i < arguments.length; i++) {
var fn = arguments[i];
if (typeof(fn) != "function") {
throw new TypeError(m.repr(fn) + " is not a function");
}
fnlist.push(fn);
}
return function () {
var args = arguments;
for (var i = fnlist.length - 1; i >= 0; i--) {
args = [fnlist[i].apply(this, args)];
}
return args[0];
};
},
/** @id MochiKit.Base.bind */
bind: function (func, self/* args... */) {
if (typeof(func) == "string") {
func = self[func];
}
var im_func = func.im_func;
var im_preargs = func.im_preargs;
var im_self = func.im_self;
var m = MochiKit.Base;
if (typeof(func) == "function" && typeof(func.apply) == "undefined") {
// this is for cases where JavaScript sucks ass and gives you a
// really dumb built-in function like alert() that doesn't have
// an apply
func = m._wrapDumbFunction(func);
}
if (typeof(im_func) != 'function') {
im_func = func;
}
if (typeof(self) != 'undefined') {
im_self = self;
}
if (typeof(im_preargs) == 'undefined') {
im_preargs = [];
} else {
im_preargs = im_preargs.slice();
}
m.extend(im_preargs, arguments, 2);
var newfunc = function () {
var args = arguments;
var me = arguments.callee;
if (me.im_preargs.length > 0) {
args = m.concat(me.im_preargs, args);
}
var self = me.im_self;
if (!self) {
self = this;
}
return me.im_func.apply(self, args);
};
newfunc.im_self = im_self;
newfunc.im_func = im_func;
newfunc.im_preargs = im_preargs;
return newfunc;
},
/** @id MochiKit.Base.bindMethods */
bindMethods: function (self) {
var bind = MochiKit.Base.bind;
for (var k in self) {
var func = self[k];
if (typeof(func) == 'function') {
self[k] = bind(func, self);
}
}
},
/** @id MochiKit.Base.registerComparator */
registerComparator: function (name, check, comparator, /* optional */ override) {
MochiKit.Base.comparatorRegistry.register(name, check, comparator, override);
},
_primitives: {'boolean': true, 'string': true, 'number': true},
/** @id MochiKit.Base.compare */
compare: function (a, b) {
if (a == b) {
return 0;
}
var aIsNull = (typeof(a) == 'undefined' || a === null);
var bIsNull = (typeof(b) == 'undefined' || b === null);
if (aIsNull && bIsNull) {
return 0;
} else if (aIsNull) {
return -1;
} else if (bIsNull) {
return 1;
}
var m = MochiKit.Base;
// bool, number, string have meaningful comparisons
var prim = m._primitives;
if (!(typeof(a) in prim && typeof(b) in prim)) {
try {
return m.comparatorRegistry.match(a, b);
} catch (e) {
if (e != m.NotFound) {
throw e;
}
}
}
if (a < b) {
return -1;
} else if (a > b) {
return 1;
}
// These types can't be compared
var repr = m.repr;
throw new TypeError(repr(a) + " and " + repr(b) + " can not be compared");
},
/** @id MochiKit.Base.compareDateLike */
compareDateLike: function (a, b) {
return MochiKit.Base.compare(a.getTime(), b.getTime());
},
/** @id MochiKit.Base.compareArrayLike */
compareArrayLike: function (a, b) {
var compare = MochiKit.Base.compare;
var count = a.length;
var rval = 0;
if (count > b.length) {
rval = 1;
count = b.length;
} else if (count < b.length) {
rval = -1;
}
for (var i = 0; i < count; i++) {
var cmp = compare(a[i], b[i]);
if (cmp) {
return cmp;
}
}
return rval;
},
/** @id MochiKit.Base.registerRepr */
registerRepr: function (name, check, wrap, /* optional */override) {
MochiKit.Base.reprRegistry.register(name, check, wrap, override);
},
/** @id MochiKit.Base.repr */
repr: function (o) {
if (typeof(o) == "undefined") {
return "undefined";
} else if (o === null) {
return "null";
}
try {
if (typeof(o.__repr__) == 'function') {
return o.__repr__();
} else if (typeof(o.repr) == 'function' && o.repr != arguments.callee) {
return o.repr();
}
return MochiKit.Base.reprRegistry.match(o);
} catch (e) {
try {
if (typeof(o.NAME) == 'string' && (
o.toString == Function.prototype.toString ||
o.toString == Object.prototype.toString
)) {
return o.NAME;
}
} catch (e) {
}
}
try {
var ostring = (o + "");
} catch (e) {
return "[" + typeof(o) + "]";
}
if (typeof(o) == "function") {
o = ostring.replace(/^\s+/, "");
var idx = o.indexOf("{");
if (idx != -1) {
o = o.substr(0, idx) + "{...}";
}
}
return ostring;
},
/** @id MochiKit.Base.reprArrayLike */
reprArrayLike: function (o) {
var m = MochiKit.Base;
return "[" + m.map(m.repr, o).join(", ") + "]";
},
/** @id MochiKit.Base.reprString */
reprString: function (o) {
return ('"' + o.replace(/(["\\])/g, '\\$1') + '"'
).replace(/[\f]/g, "\\f"
).replace(/[\b]/g, "\\b"
).replace(/[\n]/g, "\\n"
).replace(/[\t]/g, "\\t"
).replace(/[\r]/g, "\\r");
},
/** @id MochiKit.Base.reprNumber */
reprNumber: function (o) {
return o + "";
},
/** @id MochiKit.Base.registerJSON */
registerJSON: function (name, check, wrap, /* optional */override) {
MochiKit.Base.jsonRegistry.register(name, check, wrap, override);
},
/** @id MochiKit.Base.evalJSON */
evalJSON: function () {
return eval("(" + arguments[0] + ")");
},
/** @id MochiKit.Base.serializeJSON */
serializeJSON: function (o) {
var objtype = typeof(o);
if (objtype == "number" || objtype == "boolean") {
return o + "";
} else if (o === null) {
return "null";
}
var m = MochiKit.Base;
var reprString = m.reprString;
if (objtype == "string") {
return reprString(o);
}
// recurse
var me = arguments.callee;
// short-circuit for objects that support "json" serialization
// if they return "self" then just pass-through...
var newObj;
if (typeof(o.__json__) == "function") {
newObj = o.__json__();
if (o !== newObj) {
return me(newObj);
}
}
if (typeof(o.json) == "function") {
newObj = o.json();
if (o !== newObj) {
return me(newObj);
}
}
// array
if (objtype != "function" && typeof(o.length) == "number") {
var res = [];
for (var i = 0; i < o.length; i++) {
var val = me(o[i]);
if (typeof(val) != "string") {
val = "undefined";
}
res.push(val);
}
return "[" + res.join(", ") + "]";
}
// look in the registry
try {
newObj = m.jsonRegistry.match(o);
if (o !== newObj) {
return me(newObj);
}
} catch (e) {
if (e != m.NotFound) {
// something really bad happened
throw e;
}
}
// undefined is outside of the spec
if (objtype == "undefined") {
throw new TypeError("undefined can not be serialized as JSON");
}
// it's a function with no adapter, bad
if (objtype == "function") {
return null;
}
// generic object code path
res = [];
for (var k in o) {
var useKey;
if (typeof(k) == "number") {
useKey = '"' + k + '"';
} else if (typeof(k) == "string") {
useKey = reprString(k);
} else {
// skip non-string or number keys
continue;
}
val = me(o[k]);
if (typeof(val) != "string") {
// skip non-serializable values
continue;
}
res.push(useKey + ":" + val);
}
return "{" + res.join(", ") + "}";
},
/** @id MochiKit.Base.objEqual */
objEqual: function (a, b) {
return (MochiKit.Base.compare(a, b) === 0);
},
/** @id MochiKit.Base.arrayEqual */
arrayEqual: function (self, arr) {
if (self.length != arr.length) {
return false;
}
return (MochiKit.Base.compare(self, arr) === 0);
},
/** @id MochiKit.Base.concat */
concat: function (/* lst... */) {
var rval = [];
var extend = MochiKit.Base.extend;
for (var i = 0; i < arguments.length; i++) {
extend(rval, arguments[i]);
}
return rval;
},
/** @id MochiKit.Base.keyComparator */
keyComparator: function (key/* ... */) {
// fast-path for single key comparisons
var m = MochiKit.Base;
var compare = m.compare;
if (arguments.length == 1) {
return function (a, b) {
return compare(a[key], b[key]);
};
}
var compareKeys = m.extend(null, arguments);
return function (a, b) {
var rval = 0;
// keep comparing until something is inequal or we run out of
// keys to compare
for (var i = 0; (rval === 0) && (i < compareKeys.length); i++) {
var key = compareKeys[i];
rval = compare(a[key], b[key]);
}
return rval;
};
},
/** @id MochiKit.Base.reverseKeyComparator */
reverseKeyComparator: function (key) {
var comparator = MochiKit.Base.keyComparator.apply(this, arguments);
return function (a, b) {
return comparator(b, a);
};
},
/** @id MochiKit.Base.partial */
partial: function (func) {
var m = MochiKit.Base;
return m.bind.apply(this, m.extend([func, undefined], arguments, 1));
},
/** @id MochiKit.Base.listMinMax */
listMinMax: function (which, lst) {
if (lst.length === 0) {
return null;
}
var cur = lst[0];
var compare = MochiKit.Base.compare;
for (var i = 1; i < lst.length; i++) {
var o = lst[i];
if (compare(o, cur) == which) {
cur = o;
}
}
return cur;
},
/** @id MochiKit.Base.objMax */
objMax: function (/* obj... */) {
return MochiKit.Base.listMinMax(1, arguments);
},
/** @id MochiKit.Base.objMin */
objMin: function (/* obj... */) {
return MochiKit.Base.listMinMax(-1, arguments);
},
/** @id MochiKit.Base.findIdentical */
findIdentical: function (lst, value, start/* = 0 */, /* optional */end) {
if (typeof(end) == "undefined" || end === null) {
end = lst.length;
}
if (typeof(start) == "undefined" || start === null) {
start = 0;
}
for (var i = start; i < end; i++) {
if (lst[i] === value) {
return i;
}
}
return -1;
},
/** @id MochiKit.Base.mean */
mean: function(/* lst... */) {
var sum = 0;
var m = MochiKit.Base;
var args = m.extend(null, arguments);
var count = args.length;
while (args.length) {
var o = args.shift();
if (o && typeof(o) == "object" && typeof(o.length) == "number") {
count += o.length - 1;
for (var i = o.length - 1; i >= 0; i--) {
sum += o[i];
}
} else {
sum += o;
}
}
if (count <= 0) {
throw new TypeError('mean() requires at least one argument');
}
return sum/count;
},
/** @id MochiKit.Base.median */
median: function(/* lst... */) {
var data = MochiKit.Base.flattenArguments(arguments);
if (data.length === 0) {
throw new TypeError('median() requires at least one argument');
}
data.sort(compare);
if (data.length % 2 == 0) {
var upper = data.length / 2;
return (data[upper] + data[upper - 1]) / 2;
} else {
return data[(data.length - 1) / 2];
}
},
/** @id MochiKit.Base.findValue */
findValue: function (lst, value, start/* = 0 */, /* optional */end) {
if (typeof(end) == "undefined" || end === null) {
end = lst.length;
}
if (typeof(start) == "undefined" || start === null) {
start = 0;
}
var cmp = MochiKit.Base.compare;
for (var i = start; i < end; i++) {
if (cmp(lst[i], value) === 0) {
return i;
}
}
return -1;
},
/** @id MochiKit.Base.nodeWalk */
nodeWalk: function (node, visitor) {
var nodes = [node];
var extend = MochiKit.Base.extend;
while (nodes.length) {
var res = visitor(nodes.shift());
if (res) {
extend(nodes, res);
}
}
},
/** @id MochiKit.Base.nameFunctions */
nameFunctions: function (namespace) {
var base = namespace.NAME;
if (typeof(base) == 'undefined') {
base = '';
} else {
base = base + '.';
}
for (var name in namespace) {
var o = namespace[name];
if (typeof(o) == 'function' && typeof(o.NAME) == 'undefined') {
try {
o.NAME = base + name;
} catch (e) {
// pass
}
}
}
},
/** @id MochiKit.Base.queryString */
queryString: function (names, values) {
// check to see if names is a string or a DOM element, and if
// MochiKit.DOM is available. If so, drop it like it's a form
// Ugliest conditional in MochiKit? Probably!
if (typeof(MochiKit.DOM) != "undefined" && arguments.length == 1
&& (typeof(names) == "string" || (
typeof(names.nodeType) != "undefined" && names.nodeType > 0
))
) {
var kv = MochiKit.DOM.formContents(names);
names = kv[0];
values = kv[1];
} else if (arguments.length == 1) {
var o = names;
names = [];
values = [];
for (var k in o) {
var v = o[k];
if (typeof(v) == "function") {
continue;
} else if (typeof(v) != "string" &&
typeof(v.length) == "number") {
for (var i = 0; i < v.length; i++) {
names.push(k);
values.push(v[i]);
}
} else {
names.push(k);
values.push(v);
}
}
}
var rval = [];
var len = Math.min(names.length, values.length);
var urlEncode = MochiKit.Base.urlEncode;
for (var i = 0; i < len; i++) {
v = values[i];
if (typeof(v) != 'undefined' && v !== null) {
rval.push(urlEncode(names[i]) + "=" + urlEncode(v));
}
}
return rval.join("&");
},
/** @id MochiKit.Base.parseQueryString */
parseQueryString: function (encodedString, useArrays) {
// strip a leading '?' from the encoded string
var qstr = (encodedString[0] == "?") ? encodedString.substring(1) :
encodedString;
var pairs = qstr.replace(/\+/g, "%20").split(/(\&\;|\&\#38\;|\&|\&)/);
var o = {};
var decode;
if (typeof(decodeURIComponent) != "undefined") {
decode = decodeURIComponent;
} else {
decode = unescape;
}
if (useArrays) {
for (var i = 0; i < pairs.length; i++) {
var pair = pairs[i].split("=");
if (pair.length !== 2) {
continue;
}
var name = decode(pair[0]);
var arr = o[name];
if (!(arr instanceof Array)) {
arr = [];
o[name] = arr;
}
arr.push(decode(pair[1]));
}
} else {
for (i = 0; i < pairs.length; i++) {
pair = pairs[i].split("=");
if (pair.length !== 2) {
continue;
}
o[decode(pair[0])] = decode(pair[1]);
}
}
return o;
}
});
/** @id MochiKit.Base.AdapterRegistry */
MochiKit.Base.AdapterRegistry = function () {
this.pairs = [];
};
MochiKit.Base.AdapterRegistry.prototype = {
/** @id MochiKit.Base.AdapterRegistry.prototype.register */
register: function (name, check, wrap, /* optional */ override) {
if (override) {
this.pairs.unshift([name, check, wrap]);
} else {
this.pairs.push([name, check, wrap]);
}
},
/** @id MochiKit.Base.AdapterRegistry.prototype.match */
match: function (/* ... */) {
for (var i = 0; i < this.pairs.length; i++) {
var pair = this.pairs[i];
if (pair[1].apply(this, arguments)) {
return pair[2].apply(this, arguments);
}
}
throw MochiKit.Base.NotFound;
},
/** @id MochiKit.Base.AdapterRegistry.prototype.unregister */
unregister: function (name) {
for (var i = 0; i < this.pairs.length; i++) {
var pair = this.pairs[i];
if (pair[0] == name) {
this.pairs.splice(i, 1);
return true;
}
}
return false;
}
};
MochiKit.Base.EXPORT = [
"flattenArray",
"noop",
"camelize",
"counter",
"clone",
"extend",
"update",
"updatetree",
"setdefault",
"keys",
"values",
"items",
"NamedError",
"operator",
"forwardCall",
"itemgetter",
"typeMatcher",
"isCallable",
"isUndefined",
"isUndefinedOrNull",
"isNull",
"isEmpty",
"isNotEmpty",
"isArrayLike",
"isDateLike",
"xmap",
"map",
"xfilter",
"filter",
"methodcaller",
"compose",
"bind",
"bindMethods",
"NotFound",
"AdapterRegistry",
"registerComparator",
"compare",
"registerRepr",
"repr",
"objEqual",
"arrayEqual",
"concat",
"keyComparator",
"reverseKeyComparator",
"partial",
"merge",
"listMinMax",
"listMax",
"listMin",
"objMax",
"objMin",
"nodeWalk",
"zip",
"urlEncode",
"queryString",
"serializeJSON",
"registerJSON",
"evalJSON",
"parseQueryString",
"findValue",
"findIdentical",
"flattenArguments",
"method",
"average",
"mean",
"median"
];
MochiKit.Base.EXPORT_OK = [
"nameFunctions",
"comparatorRegistry",
"reprRegistry",
"jsonRegistry",
"compareDateLike",
"compareArrayLike",
"reprArrayLike",
"reprString",
"reprNumber"
];
MochiKit.Base._exportSymbols = function (globals, module) {
if (!MochiKit.__export__) {
return;
}
var all = module.EXPORT_TAGS[":all"];
for (var i = 0; i < all.length; i++) {
globals[all[i]] = module[all[i]];
}
};
MochiKit.Base.__new__ = function () {
// A singleton raised when no suitable adapter is found
var m = this;
// convenience
/** @id MochiKit.Base.noop */
m.noop = m.operator.identity;
// Backwards compat
m.forward = m.forwardCall;
m.find = m.findValue;
if (typeof(encodeURIComponent) != "undefined") {
/** @id MochiKit.Base.urlEncode */
m.urlEncode = function (unencoded) {
return encodeURIComponent(unencoded).replace(/\'/g, '%27');
};
} else {
m.urlEncode = function (unencoded) {
return escape(unencoded
).replace(/\+/g, '%2B'
).replace(/\"/g,'%22'
).rval.replace(/\'/g, '%27');
};
}
/** @id MochiKit.Base.NamedError */
m.NamedError = function (name) {
this.message = name;
this.name = name;
};
m.NamedError.prototype = new Error();
m.update(m.NamedError.prototype, {
repr: function () {
if (this.message && this.message != this.name) {
return this.name + "(" + m.repr(this.message) + ")";
} else {
return this.name + "()";
}
},
toString: m.forwardCall("repr")
});
/** @id MochiKit.Base.NotFound */
m.NotFound = new m.NamedError("MochiKit.Base.NotFound");
/** @id MochiKit.Base.listMax */
m.listMax = m.partial(m.listMinMax, 1);
/** @id MochiKit.Base.listMin */
m.listMin = m.partial(m.listMinMax, -1);
/** @id MochiKit.Base.isCallable */
m.isCallable = m.typeMatcher('function');
/** @id MochiKit.Base.isUndefined */
m.isUndefined = m.typeMatcher('undefined');
/** @id MochiKit.Base.merge */
m.merge = m.partial(m.update, null);
/** @id MochiKit.Base.zip */
m.zip = m.partial(m.map, null);
/** @id MochiKit.Base.average */
m.average = m.mean;
/** @id MochiKit.Base.comparatorRegistry */
m.comparatorRegistry = new m.AdapterRegistry();
m.registerComparator("dateLike", m.isDateLike, m.compareDateLike);
m.registerComparator("arrayLike", m.isArrayLike, m.compareArrayLike);
/** @id MochiKit.Base.reprRegistry */
m.reprRegistry = new m.AdapterRegistry();
m.registerRepr("arrayLike", m.isArrayLike, m.reprArrayLike);
m.registerRepr("string", m.typeMatcher("string"), m.reprString);
m.registerRepr("numbers", m.typeMatcher("number", "boolean"), m.reprNumber);
/** @id MochiKit.Base.jsonRegistry */
m.jsonRegistry = new m.AdapterRegistry();
var all = m.concat(m.EXPORT, m.EXPORT_OK);
m.EXPORT_TAGS = {
":common": m.concat(m.EXPORT_OK),
":all": all
};
m.nameFunctions(this);
};
MochiKit.Base.__new__();
//
// XXX: Internet Explorer blows
//
if (MochiKit.__export__) {
compare = MochiKit.Base.compare;
compose = MochiKit.Base.compose;
serializeJSON = MochiKit.Base.serializeJSON;
}
MochiKit.Base._exportSymbols(this, MochiKit.Base);