MonthHash.cxx

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/* C++ code produced by gperf version 3.1 */
/* Command-line: gperf -C -D -E -L C++ -t --key-positions='*' --compare-strncmp -Z MonthHash MonthHash.gperf  */
 
#if !((' ' == 32) && ('!' == 33) && ('"' == 34) && ('#' == 35) \
      && ('%' == 37) && ('&' == 38) && ('\'' == 39) && ('(' == 40) \
      && (')' == 41) && ('*' == 42) && ('+' == 43) && (',' == 44) \
      && ('-' == 45) && ('.' == 46) && ('/' == 47) && ('0' == 48) \
      && ('1' == 49) && ('2' == 50) && ('3' == 51) && ('4' == 52) \
      && ('5' == 53) && ('6' == 54) && ('7' == 55) && ('8' == 56) \
      && ('9' == 57) && (':' == 58) && (';' == 59) && ('<' == 60) \
      && ('=' == 61) && ('>' == 62) && ('?' == 63) && ('A' == 65) \
      && ('B' == 66) && ('C' == 67) && ('D' == 68) && ('E' == 69) \
      && ('F' == 70) && ('G' == 71) && ('H' == 72) && ('I' == 73) \
      && ('J' == 74) && ('K' == 75) && ('L' == 76) && ('M' == 77) \
      && ('N' == 78) && ('O' == 79) && ('P' == 80) && ('Q' == 81) \
      && ('R' == 82) && ('S' == 83) && ('T' == 84) && ('U' == 85) \
      && ('V' == 86) && ('W' == 87) && ('X' == 88) && ('Y' == 89) \
      && ('Z' == 90) && ('[' == 91) && ('\\' == 92) && (']' == 93) \
      && ('^' == 94) && ('_' == 95) && ('a' == 97) && ('b' == 98) \
      && ('c' == 99) && ('d' == 100) && ('e' == 101) && ('f' == 102) \
      && ('g' == 103) && ('h' == 104) && ('i' == 105) && ('j' == 106) \
      && ('k' == 107) && ('l' == 108) && ('m' == 109) && ('n' == 110) \
      && ('o' == 111) && ('p' == 112) && ('q' == 113) && ('r' == 114) \
      && ('s' == 115) && ('t' == 116) && ('u' == 117) && ('v' == 118) \
      && ('w' == 119) && ('x' == 120) && ('y' == 121) && ('z' == 122) \
      && ('{' == 123) && ('|' == 124) && ('}' == 125) && ('~' == 126))
/* The character set is not based on ISO-646.  */
#error "gperf generated tables don't work with this execution character set. Please report a bug to <bug-gperf@gnu.org>."
#endif
 
#line 1 "MonthHash.gperf"
 
#include <string.h>
#include <ctype.h>
#include "resip/stack/DateCategory.hxx"
 
namespace resip
{
#line 9 "MonthHash.gperf"
struct months { const char *name; Month type; };
/* maximum key range = 41, duplicates = 0 */
 
class MonthHash
{
private:
  static inline unsigned int hash (const char *str, size_t len);
public:
  static const struct months *in_word_set (const char *str, size_t len);
};
 
inline unsigned int
MonthHash::hash (const char *str, size_t len)
{
  static const unsigned char asso_values[] =
    {
      41, 41, 41, 41, 41, 41, 41, 41, 41, 41,
      41, 41, 41, 41, 41, 41, 41, 41, 41, 41,
      41, 41, 41, 41, 41, 41, 41, 41, 41, 41,
      41, 41, 41, 41, 41, 41, 41, 41, 41, 41,
      41, 41, 41, 41, 41, 41, 41, 41, 41, 41,
      41, 41, 41, 41, 41, 41, 41, 41, 41, 41,
      41, 41, 41, 41, 41, 10, 41, 41,  4, 41,
       4, 41, 41, 41,  0, 41, 41,  5, 15, 15,
      41, 41, 41, 15, 41, 41, 41, 41, 41, 41,
      41, 41, 41, 41, 41, 41, 41,  5,  0, 10,
      41, 10, 41, 15, 41, 41, 41, 41,  4, 41,
       0, 15,  5, 41,  5, 41, 10,  0, 10, 41,
      41,  0, 41, 41, 41, 41, 41, 41, 41, 41,
      41, 41, 41, 41, 41, 41, 41, 41, 41, 41,
      41, 41, 41, 41, 41, 41, 41, 41, 41, 41,
      41, 41, 41, 41, 41, 41, 41, 41, 41, 41,
      41, 41, 41, 41, 41, 41, 41, 41, 41, 41,
      41, 41, 41, 41, 41, 41, 41, 41, 41, 41,
      41, 41, 41, 41, 41, 41, 41, 41, 41, 41,
      41, 41, 41, 41, 41, 41, 41, 41, 41, 41,
      41, 41, 41, 41, 41, 41, 41, 41, 41, 41,
      41, 41, 41, 41, 41, 41, 41, 41, 41, 41,
      41, 41, 41, 41, 41, 41, 41, 41, 41, 41,
      41, 41, 41, 41, 41, 41, 41, 41, 41, 41,
      41, 41, 41, 41, 41, 41, 41, 41, 41, 41,
      41, 41, 41, 41, 41, 41
    };
  return asso_values[static_cast<unsigned char>(str[2])] + asso_values[static_cast<unsigned char>(str[1])] + asso_values[static_cast<unsigned char>(str[0])];
}
 
const struct months *
MonthHash::in_word_set (const char *str, size_t len)
{
  enum
    {
      TOTAL_KEYWORDS = 12,
      MIN_WORD_LENGTH = 3,
      MAX_WORD_LENGTH = 3,
      MIN_HASH_VALUE = 0,
      MAX_HASH_VALUE = 40
    };
 
  static const struct months wordlist[] =
    {
#line 16 "MonthHash.gperf"
      {"Jun", Jun},
#line 17 "MonthHash.gperf"
      {"Jul", Jul},
#line 11 "MonthHash.gperf"
      {"Jan", Jan},
#line 15 "MonthHash.gperf"
      {"May", May},
#line 12 "MonthHash.gperf"
      {"Feb", Feb},
#line 13 "MonthHash.gperf"
      {"Mar", Mar},
#line 14 "MonthHash.gperf"
      {"Apr", Apr},
#line 22 "MonthHash.gperf"
      {"Dec", Dec},
#line 18 "MonthHash.gperf"
      {"Aug", Aug},
#line 19 "MonthHash.gperf"
      {"Sep", Sep},
#line 20 "MonthHash.gperf"
      {"Oct", Oct},
#line 21 "MonthHash.gperf"
      {"Nov", Nov}
    };
 
  static const signed char lookup[] =
    {
       0, -1, -1, -1,  1,  2, -1, -1, -1, -1,  3, -1, -1, -1,
       4,  5, -1, -1, -1, -1,  6, -1, -1, -1,  7,  8, -1, -1,
      -1, -1,  9, -1, -1, -1, -1, 10, -1, -1, -1, -1, 11
    };
 
  if (len <= MAX_WORD_LENGTH && len >= MIN_WORD_LENGTH)
    {
      unsigned int key = hash (str, len);
 
      if (key <= MAX_HASH_VALUE)
        {
          int index = lookup[key];
 
          if (index >= 0)
            {
              const char *s = wordlist[index].name;
 
              if (*str == *s && !strncmp (str + 1, s + 1, len - 1) && s[len] == '\0')
                return &wordlist[index];
            }
        }
    }
  return 0;
}
#line 23 "MonthHash.gperf"
 
}