nxt.string_store source code

1 module nxt.string_store;
2 
3 import nxt.variant_arrays;
4 
5 @safe pure:
6 
7 /** Store sets of strings with different lengths compactly.
8  */
9 struct StringStore
10 {
11     @safe pure:
12     void insertBack(string value) nothrow @nogc
13     {
14         switch (value.length)
15         {
16             // TODO static foreach
17         case 1: _store.insertBack(cast(char[1])value[0 .. 1]); break;
18         case 2: _store.insertBack(cast(char[2])value[0 .. 2]); break;
19         case 3: _store.insertBack(cast(char[3])value[0 .. 3]); break;
20         case 4: _store.insertBack(cast(char[4])value[0 .. 4]); break;
21         case 5: _store.insertBack(cast(char[5])value[0 .. 5]); break;
22         case 6: _store.insertBack(cast(char[6])value[0 .. 6]); break;
23         case 7: _store.insertBack(cast(char[7])value[0 .. 7]); break;
24         case 8: _store.insertBack(cast(char[8])value[0 .. 8]); break;
25         default:
26             _store.insertBack(value);
27         }
28     }
29 private:
30     VariantArrays!(char[1],
31                    char[2],
32                    char[3],
33                    char[4],
34                    char[5],
35                    char[6],
36                    char[7],
37                    char[8],
38                    string) _store;
39 }
40 
41 ///
42 @safe pure nothrow @nogc unittest
43 {
44     StringStore ss;
45     ss.insertBack("alpha");
46     ss.insertBack("beta");
47 }