http-response-parse/http_status_parse.c at master · Halfwake/http-response-parse · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
#include "http_status_parse.h"
#include "debug.h"

enum STATUS_LINE_STATE init_status_line_state() {
  return STATUS_STATE_START;
}

enum STATUS_LINE_STATE update_status_line_state(enum STATUS_LINE_STATE state, char input) {
  enum STATUS_LINE_STATE new_state;
  switch (state) {
  case STATUS_STATE_START:
    if (input == 'H') {
      new_state = STATUS_STATE_H_1;
    }
    break;
  case STATUS_STATE_H_1:
    if (input == 'T') {
      new_state = STATUS_STATE_T_2;
    } else {
      new_state = STATUS_STATE_START;
    }
    break;
  case STATUS_STATE_T_2:
    if (input == 'T') {
      new_state = STATUS_STATE_T_3;
    } else {
      new_state = STATUS_STATE_START;
    }
    break;
  case STATUS_STATE_T_3:
    if (input == 'P') {
      new_state = STATUS_STATE_P_4;
    } else {
      new_state = STATUS_STATE_START;
    }
    break;
  case STATUS_STATE_P_4:
    if (input == '/') {
      new_state = STATUS_STATE_SLASH_5;
    } else {
      new_state = STATUS_STATE_START;
    }
    break;
  case STATUS_STATE_SLASH_5:
    if (input == '1') {
      new_state = STATUS_STATE_1_6;
    } else {
      new_state = STATUS_STATE_START;
    }
    break;
  case STATUS_STATE_1_6:
    if (input == '.') {
      new_state = STATUS_STATE_DOT_7;
    } else {
      new_state = STATUS_STATE_START;
    }
    break;
  case STATUS_STATE_DOT_7:
    if (input == '1') {
      new_state = STATUS_STATE_1_8;
    } else {
      new_state = STATUS_STATE_START;
    }
    break;
  case STATUS_STATE_1_8:
    if (input == ' ') {
      new_state = STATUS_STATE_SPACE_1;
    } else {
      new_state = STATUS_STATE_START;
    }
    break;
  case STATUS_STATE_SPACE_1:
    if (input == '2') {
      new_state = STATUS_STATE_1_2;
    } else if (input == ' ') {
      new_state = STATUS_STATE_SPACE_1;
    } else {
      new_state = STATUS_STATE_START;
    }
    break;
  case STATUS_STATE_1_2:
    if (input == '0') {
      new_state = STATUS_STATE_2_0;
    } else {
      new_state = STATUS_STATE_START;
    }
    break;
  case STATUS_STATE_2_0:
    if (input == '0') {
      new_state = STATUS_STATE_3_0;
    } else {
      new_state = STATUS_STATE_START;
    }
    break;
  case STATUS_STATE_3_0:
    if (input == ' ') {
      new_state = STATUS_STATE_SPACE_2;
    } else {
      new_state = STATUS_STATE_START;
    }
    break;
  case STATUS_STATE_SPACE_2:
    if (input == 'O') {
      new_state = STATUS_STATE_1_O;
    } else if (input == ' ') {
      new_state = STATUS_STATE_SPACE_2;
    } else {
      new_state = STATUS_STATE_START;
    }
    break;
  case STATUS_STATE_1_O:
    if (input == 'K') {
      new_state = STATUS_STATE_2_K;
    } else {
      new_state = STATUS_STATE_START;
    }
    break;
  case STATUS_STATE_2_K:
    if (input == '\r') {
      new_state = STATUS_STATE_R_1;
    } else {
      new_state = STATUS_STATE_START;
    }
    break;
  case STATUS_STATE_R_1:
    if (input == '\n') {
      new_state = STATUS_STATE_N_2;
    } else {
      new_state = STATUS_STATE_START;
    }
    break;
  case STATUS_STATE_N_2:
    new_state = state;
    break;
  default:
    dbgPanic(0);
  }
  return new_state;
}