tango.net.http.HttpTriplet source code

1 /*******************************************************************************
2 
3         copyright:      Copyright (c) 2004 Kris Bell. All rights reserved
4 
5         license:        BSD style: $(LICENSE)
6         
7         version:        Initial release: December 2005      
8         
9         author:         Kris
10 
11 *******************************************************************************/
12 
13 module tango.net.http.HttpTriplet;
14 
15 /******************************************************************************
16 
17         Class to represent an HTTP response- or request-line 
18 
19 ******************************************************************************/
20 
21 class HttpTriplet 
22 {
23         protected const(char)[]        line;
24         protected const(char)[]        failed;
25         protected const(char)[][3]     tokens;
26 
27         /**********************************************************************
28 
29                 test the validity of these tokens
30 
31         **********************************************************************/
32 
33         abstract bool test ();
34 
35         /**********************************************************************
36 
37                 Parse the the given line into its constituent components.
38 
39         **********************************************************************/
40 
41         bool parse (const(char)[] line)
42         {
43                 int i;
44                 int mark;
45 
46                 this.line = line;
47                 foreach (int index, char c; line)
48                          if (c is ' ')
49                          {
50                              if (i < 2)
51                                 {
52                                 tokens[i] = line[mark .. index];
53                                 mark = index+1;
54                                 ++i;
55                                 }
56                              else
57                                 break;
58                          }
59 
60                 tokens[2] = line [mark .. line.length];
61                 return test();
62         }
63 
64         /**********************************************************************
65 
66                 return a reference to the original string
67 
68         **********************************************************************/
69 
70         override string toString ()
71         {
72                 return line.idup;
73         }
74 
75         /**********************************************************************
76 
77                 return error string after a failed parse()
78 
79         **********************************************************************/
80 
81         final const(char)[] error ()
82         {
83                 return failed;
84         }
85 }
86 
87