dgui.core.collection source code

1 /** DGui project file.
2 
3 Copyright: Trogu Antonio Davide 2011-2013
4 
5 License: $(HTTP boost.org/LICENSE_1_0.txt, Boost License 1.0).
6 
7 Authors: Trogu Antonio Davide
8 */
9 module dgui.core.collection;
10 
11 class Collection(T)
12 {
13 	private T[] _t;
14 
15 	public final int add(T t)
16 	{
17 		this._t ~= t;
18 		return this._t.length - 1;
19 	}
20 
21 	public final void clear()
22 	{
23 		this._t.length = 0;
24 	}
25 
26 	public final T[] get()
27 	{
28 		return this._t;
29 	}
30 
31 	@property public final int length()
32 	{
33 		return this._t.length;
34 	}
35 
36 	public final void remove(T t)
37 	{
38 		this.removeAt(this.find(t));
39 	}
40 
41 	public final void removeAt(int idx)
42 	{
43 		int x = 0;
44 		T[] newT = new T[this._t.length - 1];
45 
46 		foreach(int i, T t; this._t)
47 		{
48 			if(i != idx)
49 			{
50 				newT[x] = t;
51 				x++;
52 			}
53 		}
54 
55 		this._t = newT;
56 	}
57 
58 	public final int find(T t)
59 	{
60 		foreach(int i, T ft; this._t)
61 		{
62 			if(ft is t)
63 			{
64 				return i;
65 			}
66 		}
67 
68 		return -1;
69 	}
70 
71 	public T opIndex(int i) nothrow
72 	{
73 		if(i >= 0 && i < this._t.length)
74 		{
75 			return this._t[i];
76 		}
77 
78 		assert(false, "Index out of range");
79 	}
80 
81 	public int opApply(int delegate(ref T) dg)
82 	{
83 		int res = 0;
84 
85 		if(this._t.length)
86 		{
87 			for(int i = 0; i < this._t.length; i++)
88 			{
89 				res = dg(this._t[i]);
90 
91 				if(res)
92 				{
93 					break;
94 				}
95 			}
96 		}
97 
98 		return res;
99 	}
100 
101 	public int opApply(int delegate(ref int, ref T) dg)
102 	{
103 		int res = 0;
104 
105 		if(this._t.length)
106 		{
107 			for(int i = 0; i < this._t.length; i++)
108 			{
109 				res = dg(i, this._t[i]);
110 
111 				if(res)
112 				{
113 					break;
114 				}
115 			}
116 		}
117 
118 		return res;
119 	}
120 }