src/formats.c

   1 /* ANSI-C code produced by gperf version 3.0.1 */
   2 /* Command-line: gperf -n --multiple-iterations 64 --output formats.c ../tools/formats.gperf  */
   3 /* Computed positions: -k'1-4' */
   4
   5 #if !((' ' == 32) && ('!' == 33) && ('"' == 34) && ('#' == 35) \
   6       && ('%' == 37) && ('&' == 38) && ('\'' == 39) && ('(' == 40) \
   7       && (')' == 41) && ('*' == 42) && ('+' == 43) && (',' == 44) \
   8       && ('-' == 45) && ('.' == 46) && ('/' == 47) && ('0' == 48) \
   9       && ('1' == 49) && ('2' == 50) && ('3' == 51) && ('4' == 52) \
  10       && ('5' == 53) && ('6' == 54) && ('7' == 55) && ('8' == 56) \
  11       && ('9' == 57) && (':' == 58) && (';' == 59) && ('<' == 60) \
  12       && ('=' == 61) && ('>' == 62) && ('?' == 63) && ('A' == 65) \
  13       && ('B' == 66) && ('C' == 67) && ('D' == 68) && ('E' == 69) \
  14       && ('F' == 70) && ('G' == 71) && ('H' == 72) && ('I' == 73) \
  15       && ('J' == 74) && ('K' == 75) && ('L' == 76) && ('M' == 77) \
  16       && ('N' == 78) && ('O' == 79) && ('P' == 80) && ('Q' == 81) \
  17       && ('R' == 82) && ('S' == 83) && ('T' == 84) && ('U' == 85) \
  18       && ('V' == 86) && ('W' == 87) && ('X' == 88) && ('Y' == 89) \
  19       && ('Z' == 90) && ('[' == 91) && ('\\' == 92) && (']' == 93) \
  20       && ('^' == 94) && ('_' == 95) && ('a' == 97) && ('b' == 98) \
  21       && ('c' == 99) && ('d' == 100) && ('e' == 101) && ('f' == 102) \
  22       && ('g' == 103) && ('h' == 104) && ('i' == 105) && ('j' == 106) \
  23       && ('k' == 107) && ('l' == 108) && ('m' == 109) && ('n' == 110) \
  24       && ('o' == 111) && ('p' == 112) && ('q' == 113) && ('r' == 114) \
  25       && ('s' == 115) && ('t' == 116) && ('u' == 117) && ('v' == 118) \
  26       && ('w' == 119) && ('x' == 120) && ('y' == 121) && ('z' == 122) \
  27       && ('{' == 123) && ('|' == 124) && ('}' == 125) && ('~' == 126))
  28 /* The character set is not based on ISO-646.  */
  29 #error "gperf generated tables don't work with this execution character set. Please report a bug to <bug-gnu-gperf@gnu.org>."
  30 #endif
  31
  32 #line 1 "../tools/formats.gperf"
  33
  34
  35 #include "gliv.h"
  36 #include "formats.h"
  37
  38 #include <string.h>
  39
  40 #define TOTAL_KEYWORDS 21
  41 #define MIN_WORD_LENGTH 1
  42 #define MAX_WORD_LENGTH 4
  43 #define MIN_HASH_VALUE 0
  44 #define MAX_HASH_VALUE 20
  45 /* maximum key range = 21, duplicates = 0 */
  46
  47 #ifndef GPERF_DOWNCASE
  48 #define GPERF_DOWNCASE 1
  49 static unsigned char gperf_downcase[256] =
  50   {
  51       0,   1,   2,   3,   4,   5,   6,   7,   8,   9,  10,  11,  12,  13,  14,
  52      15,  16,  17,  18,  19,  20,  21,  22,  23,  24,  25,  26,  27,  28,  29,
  53      30,  31,  32,  33,  34,  35,  36,  37,  38,  39,  40,  41,  42,  43,  44,
  54      45,  46,  47,  48,  49,  50,  51,  52,  53,  54,  55,  56,  57,  58,  59,
  55      60,  61,  62,  63,  64,  97,  98,  99, 100, 101, 102, 103, 104, 105, 106,
  56     107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121,
  57     122,  91,  92,  93,  94,  95,  96,  97,  98,  99, 100, 101, 102, 103, 104,
  58     105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119,
  59     120, 121, 122, 123, 124, 125, 126, 127, 128, 129, 130, 131, 132, 133, 134,
  60     135, 136, 137, 138, 139, 140, 141, 142, 143, 144, 145, 146, 147, 148, 149,
  61     150, 151, 152, 153, 154, 155, 156, 157, 158, 159, 160, 161, 162, 163, 164,
  62     165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179,
  63     180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, 192, 193, 194,
  64     195, 196, 197, 198, 199, 200, 201, 202, 203, 204, 205, 206, 207, 208, 209,
  65     210, 211, 212, 213, 214, 215, 216, 217, 218, 219, 220, 221, 222, 223, 224,
  66     225, 226, 227, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239,
  67     240, 241, 242, 243, 244, 245, 246, 247, 248, 249, 250, 251, 252, 253, 254,
  68     255
  69   };
  70 #endif
  71
  72 #ifndef GPERF_CASE_STRCMP
  73 #define GPERF_CASE_STRCMP 1
  74 static int
  75 gperf_case_strcmp (register const char *s1, register const char *s2)
  76 {
  77   for (;;)
  78     {
  79       unsigned char c1 = gperf_downcase[(unsigned char)*s1++];
  80       unsigned char c2 = gperf_downcase[(unsigned char)*s2++];
  81       if (c1 != 0 && c1 == c2)
  82         continue;
  83       return (int)c1 - (int)c2;
  84     }
  85 }
  86 #endif
  87
  88 #ifdef __GNUC__
  89 __inline
  90 #else
  91 #ifdef __cplusplus
  92 inline
  93 #endif
  94 #endif
  95 static unsigned int
  96 hash (register const char *str, register unsigned int len)
  97 {
  98   static const unsigned char asso_values[] =
  99     {
 100       21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
 101       21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
 102       21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
 103       21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
 104       21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
 105       13, 21, 21, 21, 21, 21, 21, 21, 21, 21,
 106       21, 21, 21, 21, 21, 11,  7, 10, 21,  2,
 107        2,  1, 21,  0,  2, 21, 10,  2,  5,  9,
 108        2, 21,  0,  7,  0, 21,  6,  2,  6, 21,
 109        0, 21, 21, 21, 21, 21, 21, 11,  7, 10,
 110       21,  2,  2,  1, 21,  0,  2, 21, 10,  2,
 111        5,  9,  2, 21,  0,  7,  0, 21,  6,  2,
 112        6, 21,  0, 21, 21, 21, 21, 21, 21, 21,
 113       21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
 114       21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
 115       21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
 116       21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
 117       21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
 118       21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
 119       21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
 120       21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
 121       21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
 122       21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
 123       21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
 124       21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
 125       21, 21, 21, 21, 21, 21
 126     };
 127   register int hval = 0;
 128
 129   switch (len)
 130     {
 131       default:
 132         hval += asso_values[(unsigned char)str[3]];
 133       /*FALLTHROUGH*/
 134       case 3:
 135         hval += asso_values[(unsigned char)str[2]];
 136       /*FALLTHROUGH*/
 137       case 2:
 138         hval += asso_values[(unsigned char)str[1]];
 139       /*FALLTHROUGH*/
 140       case 1:
 141         hval += asso_values[(unsigned char)str[0]];
 142         break;
 143     }
 144   return hval;
 145 }
 146
 147 #ifdef __GNUC__
 148 __inline
 149 #endif
 150 const struct format *
 151 ext_to_loader (register const char *str, register unsigned int len)
 152 {
 153   static const struct format wordlist[] =
 154     {
 155 #line 39 "../tools/formats.gperf"
 156       {"z",     LOADER_DECOMP},
 157 #line 24 "../tools/formats.gperf"
 158       {"gz",    LOADER_DECOMP},
 159 #line 34 "../tools/formats.gperf"
 160       {"tif",   LOADER_PIXBUF},
 161 #line 22 "../tools/formats.gperf"
 162       {"gif",   LOADER_PIXBUF},
 163 #line 35 "../tools/formats.gperf"
 164       {"tiff",  LOADER_PIXBUF},
 165 #line 28 "../tools/formats.gperf"
 166       {"jpg",   LOADER_PIXBUF},
 167 #line 26 "../tools/formats.gperf"
 168       {"jpe",   LOADER_PIXBUF},
 169 #line 27 "../tools/formats.gperf"
 170       {"jpeg",  LOADER_PIXBUF},
 171 #line 29 "../tools/formats.gperf"
 172       {"png",   LOADER_PIXBUF},
 173 #line 30 "../tools/formats.gperf"
 174       {"pnm",   LOADER_PIXBUF},
 175 #line 38 "../tools/formats.gperf"
 176       {"xpm",   LOADER_PIXBUF},
 177 #line 20 "../tools/formats.gperf"
 178       {"bmp",   LOADER_PIXBUF},
 179 #line 33 "../tools/formats.gperf"
 180       {"tga",   LOADER_PIXBUF},
 181 #line 36 "../tools/formats.gperf"
 182       {"wbmp",  LOADER_PIXBUF},
 183 #line 32 "../tools/formats.gperf"
 184       {"svg",   LOADER_PIXBUF},
 185 #line 37 "../tools/formats.gperf"
 186       {"xbm",   LOADER_PIXBUF},
 187 #line 19 "../tools/formats.gperf"
 188       {"ani",   LOADER_PIXBUF},
 189 #line 23 "../tools/formats.gperf"
 190       {"gliv",  LOADER_DOT_GLIV},
 191 #line 31 "../tools/formats.gperf"
 192       {"ras",   LOADER_PIXBUF},
 193 #line 25 "../tools/formats.gperf"
 194       {"ico",   LOADER_PIXBUF},
 195 #line 21 "../tools/formats.gperf"
 196       {"bz2",   LOADER_DECOMP}
 197     };
 198
 199   if (len <= MAX_WORD_LENGTH && len >= MIN_WORD_LENGTH)
 200     {
 201       register int key = hash (str, len);
 202
 203       if (key <= MAX_HASH_VALUE && key >= 0)
 204         {
 205           register const char *s = wordlist[key].name;
 206
 207           if ((((unsigned char)*str ^ (unsigned char)*s) & ~32) == 0 && !gperf_case_strcmp (str, s))
 208             return &wordlist[key];
 209         }
 210     }
 211   return 0;
 212 }