reSIProcate
SIP stack, Dialog Usage Manager and related libraries
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MethodHash.cxx
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1/* C++ code produced by gperf version 3.1 */
2/* Command-line: gperf -C -D -E -L C++ -t --key-positions='*' --compare-strncmp -Z MethodHash MethodHash.gperf */
3
4#if !((' ' == 32) && ('!' == 33) && ('"' == 34) && ('#' == 35) \
5 && ('%' == 37) && ('&' == 38) && ('\'' == 39) && ('(' == 40) \
6 && (')' == 41) && ('*' == 42) && ('+' == 43) && (',' == 44) \
7 && ('-' == 45) && ('.' == 46) && ('/' == 47) && ('0' == 48) \
8 && ('1' == 49) && ('2' == 50) && ('3' == 51) && ('4' == 52) \
9 && ('5' == 53) && ('6' == 54) && ('7' == 55) && ('8' == 56) \
10 && ('9' == 57) && (':' == 58) && (';' == 59) && ('<' == 60) \
11 && ('=' == 61) && ('>' == 62) && ('?' == 63) && ('A' == 65) \
12 && ('B' == 66) && ('C' == 67) && ('D' == 68) && ('E' == 69) \
13 && ('F' == 70) && ('G' == 71) && ('H' == 72) && ('I' == 73) \
14 && ('J' == 74) && ('K' == 75) && ('L' == 76) && ('M' == 77) \
15 && ('N' == 78) && ('O' == 79) && ('P' == 80) && ('Q' == 81) \
16 && ('R' == 82) && ('S' == 83) && ('T' == 84) && ('U' == 85) \
17 && ('V' == 86) && ('W' == 87) && ('X' == 88) && ('Y' == 89) \
18 && ('Z' == 90) && ('[' == 91) && ('\\' == 92) && (']' == 93) \
19 && ('^' == 94) && ('_' == 95) && ('a' == 97) && ('b' == 98) \
20 && ('c' == 99) && ('d' == 100) && ('e' == 101) && ('f' == 102) \
21 && ('g' == 103) && ('h' == 104) && ('i' == 105) && ('j' == 106) \
22 && ('k' == 107) && ('l' == 108) && ('m' == 109) && ('n' == 110) \
23 && ('o' == 111) && ('p' == 112) && ('q' == 113) && ('r' == 114) \
24 && ('s' == 115) && ('t' == 116) && ('u' == 117) && ('v' == 118) \
25 && ('w' == 119) && ('x' == 120) && ('y' == 121) && ('z' == 122) \
26 && ('{' == 123) && ('|' == 124) && ('}' == 125) && ('~' == 126))
27/* The character set is not based on ISO-646. */
28#error "gperf generated tables don't work with this execution character set. Please report a bug to <bug-gperf@gnu.org>."
29#endif
30
31#line 1 "MethodHash.gperf"
32
33#include <string.h>
34#include <ctype.h>
35#include "resip/stack/MethodTypes.hxx"
36
37namespace resip
38{
39#line 9 "MethodHash.gperf"
40struct methods { const char *name; MethodTypes type; };
41/* maximum key range = 31, duplicates = 0 */
42
43class MethodHash
44{
45private:
46 static inline unsigned int hash (const char *str, size_t len);
47public:
48 static const struct methods *in_word_set (const char *str, size_t len);
49};
50
51inline unsigned int
52MethodHash::hash (const char *str, size_t len)
53{
54 static const unsigned char asso_values[] =
55 {
56 35, 35, 35, 35, 35, 35, 35, 35, 35, 35,
57 35, 35, 35, 35, 35, 35, 35, 35, 35, 35,
58 35, 35, 35, 35, 35, 35, 35, 35, 35, 35,
59 35, 35, 35, 35, 35, 35, 35, 35, 35, 35,
60 35, 35, 35, 35, 35, 35, 35, 35, 35, 35,
61 35, 35, 35, 35, 35, 35, 35, 35, 35, 35,
62 35, 35, 35, 35, 35, 5, 10, 5, 5, 0,
63 0, 15, 0, 0, 35, 0, 0, 0, 0, 0,
64 0, 35, 0, 0, 0, 0, 0, 35, 35, 5,
65 35, 35, 35, 35, 35, 35, 35, 35, 35, 35,
66 35, 35, 35, 35, 35, 35, 35, 35, 35, 35,
67 35, 35, 35, 35, 35, 35, 35, 35, 35, 35,
68 35, 35, 35, 35, 35, 35, 35, 35, 35, 35,
69 35, 35, 35, 35, 35, 35, 35, 35, 35, 35,
70 35, 35, 35, 35, 35, 35, 35, 35, 35, 35,
71 35, 35, 35, 35, 35, 35, 35, 35, 35, 35,
72 35, 35, 35, 35, 35, 35, 35, 35, 35, 35,
73 35, 35, 35, 35, 35, 35, 35, 35, 35, 35,
74 35, 35, 35, 35, 35, 35, 35, 35, 35, 35,
75 35, 35, 35, 35, 35, 35, 35, 35, 35, 35,
76 35, 35, 35, 35, 35, 35, 35, 35, 35, 35,
77 35, 35, 35, 35, 35, 35, 35, 35, 35, 35,
78 35, 35, 35, 35, 35, 35, 35, 35, 35, 35,
79 35, 35, 35, 35, 35, 35, 35, 35, 35, 35,
80 35, 35, 35, 35, 35, 35, 35, 35, 35, 35,
81 35, 35, 35, 35, 35, 35
82 };
83 unsigned int hval = len;
84
85 switch (hval)
86 {
87 default:
88 hval += asso_values[static_cast<unsigned char>(str[8])];
89 /*FALLTHROUGH*/
90 case 8:
91 hval += asso_values[static_cast<unsigned char>(str[7])];
92 /*FALLTHROUGH*/
93 case 7:
94 hval += asso_values[static_cast<unsigned char>(str[6])];
95 /*FALLTHROUGH*/
96 case 6:
97 hval += asso_values[static_cast<unsigned char>(str[5])];
98 /*FALLTHROUGH*/
99 case 5:
100 hval += asso_values[static_cast<unsigned char>(str[4])];
101 /*FALLTHROUGH*/
102 case 4:
103 hval += asso_values[static_cast<unsigned char>(str[3])];
104 /*FALLTHROUGH*/
105 case 3:
106 hval += asso_values[static_cast<unsigned char>(str[2])];
107 /*FALLTHROUGH*/
108 case 2:
109 hval += asso_values[static_cast<unsigned char>(str[1])];
110 /*FALLTHROUGH*/
111 case 1:
112 hval += asso_values[static_cast<unsigned char>(str[0])];
113 break;
114 }
115 return hval;
116}
117
118const struct methods *
119MethodHash::in_word_set (const char *str, size_t len)
120{
121 enum
122 {
123 TOTAL_KEYWORDS = 16,
124 MIN_WORD_LENGTH = 3,
125 MAX_WORD_LENGTH = 9,
126 MIN_HASH_VALUE = 4,
127 MAX_HASH_VALUE = 34
128 };
129
130 static const struct methods wordlist[] =
131 {
132#line 24 "MethodHash.gperf"
133 {"INFO", INFO},
134#line 19 "MethodHash.gperf"
135 {"REFER", REFER},
136#line 14 "MethodHash.gperf"
137 {"INVITE", INVITE},
138#line 16 "MethodHash.gperf"
139 {"OPTIONS", OPTIONS},
140#line 22 "MethodHash.gperf"
141 {"RESPONSE", RESPONSE},
142#line 15 "MethodHash.gperf"
143 {"NOTIFY", NOTIFY},
144#line 25 "MethodHash.gperf"
145 {"SERVICE", SERVICE},
146#line 11 "MethodHash.gperf"
147 {"ACK", ACK},
148#line 17 "MethodHash.gperf"
149 {"PRACK", PRACK},
150#line 26 "MethodHash.gperf"
151 {"UPDATE", UPDATE},
152#line 18 "MethodHash.gperf"
153 {"PUBLISH", PUBLISH},
154#line 12 "MethodHash.gperf"
155 {"BYE", BYE},
156#line 13 "MethodHash.gperf"
157 {"CANCEL", CANCEL},
158#line 20 "MethodHash.gperf"
159 {"REGISTER", REGISTER},
160#line 23 "MethodHash.gperf"
161 {"MESSAGE", MESSAGE},
162#line 21 "MethodHash.gperf"
163 {"SUBSCRIBE", SUBSCRIBE}
164 };
165
166 static const signed char lookup[] =
167 {
168 -1, -1, -1, -1, 0, 1, 2, 3, 4, -1, -1, 5, 6, 7,
169 -1, 8, 9, 10, 11, -1, -1, 12, -1, 13, -1, -1, -1, 14,
170 -1, -1, -1, -1, -1, -1, 15
171 };
172
173 if (len <= MAX_WORD_LENGTH && len >= MIN_WORD_LENGTH)
174 {
175 unsigned int key = hash (str, len);
176
177 if (key <= MAX_HASH_VALUE)
178 {
179 int index = lookup[key];
180
181 if (index >= 0)
182 {
183 const char *s = wordlist[index].name;
184
185 if (*str == *s && !strncmp (str + 1, s + 1, len - 1) && s[len] == '\0')
186 return &wordlist[index];
187 }
188 }
189 }
190 return 0;
191}
192#line 27 "MethodHash.gperf"
193
194}