]>
Commit | Line | Data |
---|---|---|
1 | QHash = function(def) { | |
2 | this.__map = {}; | |
3 | this.length = 0; | |
4 | ||
5 | if(def !== undefined) { | |
6 | var h = Object.prototype.hasOwnProperty; | |
7 | for (var k in def) { | |
8 | if(!h.call(def, k)) | |
9 | continue; | |
10 | this.put(k, def[k]); | |
11 | } | |
12 | } | |
13 | }; | |
14 | ||
15 | QHash.prototype.__toKey = function(key) { | |
16 | if(typeof(key) !== "string") | |
17 | throw new TypeError("Not a string: " + key); | |
18 | return key + "$"; | |
19 | }; | |
20 | ||
21 | QHash.prototype.get = function(key) { | |
22 | return this.__map[this.__toKey(key)]; | |
23 | }; | |
24 | ||
25 | QHash.prototype.put = function(key, value) { | |
26 | key = this.__toKey(key); | |
27 | ||
28 | var exists = key in this.__map; | |
29 | var oldValue = this.__map[key]; | |
30 | ||
31 | this.__map[key] = value; | |
32 | ||
33 | if(!exists) { | |
34 | this.length++; | |
35 | return null; | |
36 | } | |
37 | ||
38 | return oldValue; | |
39 | }; | |
40 | ||
41 | QHash.prototype.contains = function(key) { | |
42 | return this.__toKey(key) in this.__map; | |
43 | }; | |
44 | ||
45 | QHash.prototype.remove = function(key) { | |
46 | key = this.__toKey(key); | |
47 | ||
48 | var exists = key in this.__map; | |
49 | if(!exists) | |
50 | return null; | |
51 | ||
52 | var oldValue = this.__map[key]; | |
53 | delete this.__map[key]; | |
54 | this.length--; | |
55 | ||
56 | return oldValue; | |
57 | }; | |
58 | ||
59 | QHash.prototype.each = function(fn, def) { | |
60 | var h = Object.prototype.hasOwnProperty; | |
61 | var m = this.__map; | |
62 | for(var k in m) { | |
63 | if(!h.call(m, k)) | |
64 | continue; | |
65 | ||
66 | var break_ = fn.call(def, k.substr(0, k.length - 1), m[k]) !== undefined; | |
67 | if(break_) | |
68 | return break_; | |
69 | } | |
70 | }; | |
71 | ||
72 | QHash.prototype.isEmpty = function() { | |
73 | return this.length == 0; | |
74 | }; | |
75 | ||
76 | QHash.prototype.map = function(fn, def) { | |
77 | var l = []; | |
78 | this.each(function(k, v) { | |
79 | l.push(fn.call(def, k, v)); | |
80 | }); | |
81 | return l; | |
82 | }; | |
83 | ||
84 | QHash.prototype.keys = function() { | |
85 | return this.map(function(k) { return k; }); | |
86 | }; | |
87 | ||
88 | QHash.prototype.values = function() { | |
89 | return this.map(function(k, v) { return v; }); | |
90 | }; | |
91 | ||
92 | QHash.prototype.items = function() { | |
93 | return this.map(function(k, v) { return [k, v]; }); | |
94 | }; | |
95 | ||
96 | QHash.prototype.toString = function() { | |
97 | var m = this.map(function(k, v) { | |
98 | return k + "=" + v; | |
99 | }, this); | |
100 | ||
101 | return "{QHash length=" + this.length + " map={" + m + "}}"; | |
102 | }; | |
103 | ||
104 | QSet = function() { | |
105 | this.__map = new QHash(); | |
106 | ||
107 | this.length = 0; | |
108 | for(var i=0;i<arguments.length;i++) | |
109 | this.add(arguments[i]); | |
110 | }; | |
111 | ||
112 | QSet.prototype.add = function(value) { | |
113 | var v = this.__map.put(value, true); | |
114 | if(v !== true) | |
115 | this.length = this.__map.length; | |
116 | ||
117 | return v; | |
118 | }; | |
119 | ||
120 | QSet.prototype.contains = function(value) { | |
121 | return this.__map.contains(value); | |
122 | }; | |
123 | ||
124 | QSet.prototype.remove = function(value) { | |
125 | var v = this.__map.remove(value, true); | |
126 | if(v) | |
127 | this.length = this.__map.length; | |
128 | ||
129 | return v; | |
130 | }; | |
131 | ||
132 | QSet.prototype.each = function(fn, def) { | |
133 | return this.__map.each(fn, def); | |
134 | }; | |
135 | ||
136 | QSet.prototype.values = function() { | |
137 | return this.__map.keys(); | |
138 | } | |
139 | ||
140 | QSet.prototype.isEmpty = function() { | |
141 | return this.length == 0; | |
142 | }; | |
143 | ||
144 | QSet.prototype.map = function(fn, def) { | |
145 | return this.__map.map(fn, def); | |
146 | }; | |
147 | ||
148 | QSet.prototype.toString = function(value) { | |
149 | return "{QSet length=" + this.length + " set={" + this.values() + "}}"; | |
150 | }; |