Proyectos de Subversion Moodle

Rev

| Ultima modificación | Ver Log |

Rev Autor Línea Nro. Línea
1 efrain 1 
YUI.add('querystring-stringify', function (Y, NAME) {
2 
 
3 
/**
4 
 * Provides Y.QueryString.stringify method for converting objects to Query Strings.
5 
 *
6 
 * @module querystring
7 
 * @submodule querystring-stringify
8 
 */
9 
 
10 
var QueryString = Y.namespace("QueryString"),
11 
    stack = [],
12 
    L = Y.Lang;
13 
 
14 
/**
15 
 * Provides Y.QueryString.escape method to be able to override default encoding
16 
 * method.  This is important in cases where non-standard delimiters are used, if
17 
 * the delimiters would not normally be handled properly by the builtin
18 
 * (en|de)codeURIComponent functions.
19 
 * Default: encodeURIComponent
20 
 *
21 
 * @method escape
22 
 * @for QueryString
23 
 * @static
24 
 **/
25 
QueryString.escape = encodeURIComponent;
26 
 
27 
/**
28 
 * <p>Converts an arbitrary value to a Query String representation.</p>
29 
 *
30 
 * <p>Objects with cyclical references will trigger an exception.</p>
31 
 *
32 
 * @method stringify
33 
 * @for QueryString
34 
 * @public
35 
 * @param obj {Any} any arbitrary value to convert to query string
36 
 * @param cfg {Object} (optional) Configuration object.  The three
37 
 * supported configurations are:
38 
 * <ul><li>sep: When defined, the value will be used as the key-value
39 
 * separator.  The default value is "&".</li>
40 
 * <li>eq: When defined, the value will be used to join the key to
41 
 * the value.  The default value is "=".</li>
42 
 * <li>arrayKey: When set to true, the key of an array will have the
43 
 * '[]' notation appended to the key.  The default value is false.
44 
 * </li></ul>
45 
 * @param name {String} (optional) Name of the current key, for handling children recursively.
46 
 * @static
47 
 */
48 
QueryString.stringify = function (obj, c, name) {
49 
    var begin, end, i, l, n, s,
50 
        sep = c && c.sep ? c.sep : "&",
51 
        eq = c && c.eq ? c.eq : "=",
52 
        aK = c && c.arrayKey ? c.arrayKey : false;
53 
 
54 
    if (L.isNull(obj) || L.isUndefined(obj) || L.isFunction(obj)) {
55 
        return name ? QueryString.escape(name) + eq : '';
56 
    }
57 
 
58 
    if (L.isBoolean(obj) || Object.prototype.toString.call(obj) === '[object Boolean]') {
59 
        obj =+ obj;
60 
    }
61 
 
62 
    if (L.isNumber(obj) || L.isString(obj)) {
63 
        // Y.log("Number or string: "+obj);
64 
        return QueryString.escape(name) + eq + QueryString.escape(obj);
65 
    }
66 
 
67 
    if (L.isArray(obj)) {
68 
        s = [];
69 
        name = aK ? name + '[]' : name;
70 
        l = obj.length;
71 
        for (i = 0; i < l; i++) {
72 
            s.push( QueryString.stringify(obj[i], c, name) );
73 
        }
74 
 
75 
        return s.join(sep);
76 
    }
77 
    // now we know it's an object.
78 
    // Y.log(
79 
    //     typeof obj + (typeof obj === 'object' ? " ok" : "ONOES!")+
80 
    //     Object.prototype.toString.call(obj)
81 
    // );
82 
 
83 
    // Check for cyclical references in nested objects
84 
    for (i = stack.length - 1; i >= 0; --i) {
85 
        if (stack[i] === obj) {
86 
            throw new Error("QueryString.stringify. Cyclical reference");
87 
        }
88 
    }
89 
 
90 
    stack.push(obj);
91 
    s = [];
92 
    begin = name ? name + '[' : '';
93 
    end = name ? ']' : '';
94 
    for (i in obj) {
95 
        if (obj.hasOwnProperty(i)) {
96 
            n = begin + i + end;
97 
            s.push(QueryString.stringify(obj[i], c, n));
98 
        }
99 
    }
100 
 
101 
    stack.pop();
102 
    s = s.join(sep);
103 
    if (!s && name) {
104 
        return name + "=";
105 
    }
106 
 
107 
    return s;
108 
};
109 
 
110 
 
111 
}, '3.18.1', {"requires": ["yui-base"]});