120 lines
3.4 KiB
JavaScript
120 lines
3.4 KiB
JavaScript
|
/*
|
||
|
|
Copyright (c) 2009, Yahoo! Inc. All rights reserved.
|
||
|
|
Code licensed under the BSD License:
|
||
|
|
http://developer.yahoo.net/yui/license.txt
|
||
|
|
version: 3.0.0
|
||
|
|
build: 1549
|
||
|
|
*/
|
||
|
|
YUI.add('dump', function(Y) {
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Returns a simple string representation of the object or array.
|
||
|
|
* Other types of objects will be returned unprocessed. Arrays
|
||
|
|
* are expected to be indexed. Use object notation for
|
||
|
|
* associative arrays.
|
||
|
|
*
|
||
|
|
* If included, the dump method is added to the YUI instance.
|
||
|
|
*
|
||
|
|
* @module dump
|
||
|
|
*/
|
||
|
|
|
||
|
|
var L=Y.Lang, OBJ='{...}', FUN='f(){...}', COMMA=', ', ARROW=' => ',
|
||
|
|
|
||
|
|
/**
|
||
|
|
* The following methods are added to the YUI instance
|
||
|
|
* @class YUI~dump
|
||
|
|
*/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Returns a simple string representation of the object or array.
|
||
|
|
* Other types of objects will be returned unprocessed. Arrays
|
||
|
|
* are expected to be indexed. Use object notation for
|
||
|
|
* associative arrays.
|
||
|
|
*
|
||
|
|
* @TODO dumping a window is causing an unhandled exception in
|
||
|
|
* FireFox.
|
||
|
|
*
|
||
|
|
* This method is in the 'dump' module, which is not bundled with
|
||
|
|
* the core YUI object
|
||
|
|
*
|
||
|
|
* @method dump
|
||
|
|
* @param o {object} The object to dump
|
||
|
|
* @param d {int} How deep to recurse child objects, default 3
|
||
|
|
* @return {string} the dump result
|
||
|
|
*/
|
||
|
|
dump = function(o, d) {
|
||
|
|
var i, len, s = [], type = L.type(o);
|
||
|
|
|
||
|
|
// Cast non-objects to string
|
||
|
|
// Skip dates because the std toString is what we want
|
||
|
|
// Skip HTMLElement-like objects because trying to dump
|
||
|
|
// an element will cause an unhandled exception in FF 2.x
|
||
|
|
if (!L.isObject(o)) {
|
||
|
|
return o + "";
|
||
|
|
} else if (type == "date") {
|
||
|
|
return o;
|
||
|
|
} else if (o.nodeType && o.tagName) {
|
||
|
|
return o.tagName + '#' + o.id;
|
||
|
|
} else if (o.document && o.navigator) {
|
||
|
|
return 'window';
|
||
|
|
} else if (o.location && o.body) {
|
||
|
|
return 'document';
|
||
|
|
} else if (type == "function") {
|
||
|
|
return FUN;
|
||
|
|
}
|
||
|
|
|
||
|
|
// dig into child objects the depth specifed. Default 3
|
||
|
|
d = (L.isNumber(d)) ? d : 3;
|
||
|
|
|
||
|
|
// arrays [1, 2, 3]
|
||
|
|
if (type == "array") {
|
||
|
|
s.push("[");
|
||
|
|
for (i=0,len=o.length;i<len;i=i+1) {
|
||
|
|
if (L.isObject(o[i])) {
|
||
|
|
s.push((d > 0) ? L.dump(o[i], d-1) : OBJ);
|
||
|
|
} else {
|
||
|
|
s.push(o[i]);
|
||
|
|
}
|
||
|
|
s.push(COMMA);
|
||
|
|
}
|
||
|
|
if (s.length > 1) {
|
||
|
|
s.pop();
|
||
|
|
}
|
||
|
|
s.push("]");
|
||
|
|
// regexp /foo/
|
||
|
|
} else if (type == "regexp") {
|
||
|
|
s.push(o.toString());
|
||
|
|
// objects {k1 => v1, k2 => v2}
|
||
|
|
} else {
|
||
|
|
s.push("{");
|
||
|
|
for (i in o) {
|
||
|
|
if (o.hasOwnProperty(i)) {
|
||
|
|
try {
|
||
|
|
s.push(i + ARROW);
|
||
|
|
if (L.isObject(o[i])) {
|
||
|
|
s.push((d > 0) ? L.dump(o[i], d-1) : OBJ);
|
||
|
|
} else {
|
||
|
|
s.push(o[i]);
|
||
|
|
}
|
||
|
|
s.push(COMMA);
|
||
|
|
} catch(e) {
|
||
|
|
s.push('Error: ' + e.message);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
if (s.length > 1) {
|
||
|
|
s.pop();
|
||
|
|
}
|
||
|
|
s.push("}");
|
||
|
|
}
|
||
|
|
|
||
|
|
return s.join("");
|
||
|
|
};
|
||
|
|
|
||
|
|
Y.dump = dump;
|
||
|
|
L.dump = dump;
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
}, '3.0.0' );
|