dump-debug.js revision 1629abfab16a010ce64a057b1d3b3dfeaec3cc1f
1229358ba8ff73a2e8d3b05b9e747620c876eae9Josh AndlerYUI.add('dump', function(Y) {
1229358ba8ff73a2e8d3b05b9e747620c876eae9Josh Andler
1229358ba8ff73a2e8d3b05b9e747620c876eae9Josh Andler/**
1229358ba8ff73a2e8d3b05b9e747620c876eae9Josh Andler * Returns a simple string representation of the object or array.
1229358ba8ff73a2e8d3b05b9e747620c876eae9Josh Andler * 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;
}, '@VERSION@' );