ulinux/utils/ascii/ascii.h

   1 #ifndef ULINUX_UTILS_ASCII_ASCII_H
   2 #define ULINUX_UTILS_ASCII_ASCII_H
   3 /*
   4  * this code is protected by the GNU affero GPLv3
   5  * author:Sylvain BERTRAND
   6  */
   7 #define ulinux_dec2ut_blk  ulinux_dec2u8
   8 #define ulinux_dec2us_blk  ulinux_dec2u16_blk
   9 #define ulinux_dec2us      ulinux_dec2u16
  10 #if BITS_PER_LONG==64
  11 #define ulinux_dec2ul_blk  ulinux_dec2u64_blk
  12 #define ulinux_dec2ul      ulinux_dec2u64
  13 #else
  14 #define ulinux_dec2ul_blk  ulinux_dec2u32_blk
  15 #define ulinux_dec2ul      ulinux_dec2u32
  16 #endif
  17 #define ulinux_dec2ull_blk ulinux_dec2u64_blk
  18 #define ulinux_dec2ull     ulinux_dec2u64
  19
  20 /* XXX:may use linux ctype ascii table */
  21 static inline bool ulinux_is_digit(ulinux_u8 c)
  22 {
  23         if ('0' <= c && c<= '9')
  24                 return true;
  25         return false;
  26 }
  27
  28 static inline bool ulinux_is_alnum(ulinux_u8 c)
  29 {
  30         if ('0' <= c && c <= '9')
  31                 return true;
  32         if ('A' <= c && c <= 'Z')
  33                 return true;
  34         if ('a' <= c && c <= 'z')
  35                 return true;
  36         return false;
  37 }
  38
  39 static inline bool ulinux_is_lower(ulinux_u8 c)
  40 {
  41         if ('a' <= c && c <= 'z')
  42                 return true;
  43         return false;
  44 }
  45
  46 static inline bool ulinux_is_upper(ulinux_u8 c)
  47 {
  48         if ('A' <= c && c <= 'Z')
  49                 return true;
  50         return false;
  51 }
  52
  53 static inline bool ulinux_is_alpha(ulinux_u8 c)
  54 {
  55         if ('A' <= c && c <= 'Z')
  56                 return true;
  57         if ('a' <= c && c<= 'z')
  58                 return true;
  59         return false;
  60 }
  61
  62 static inline bool ulinux_is_blank(ulinux_u8 c)
  63 {
  64         if (c == ' ' || c == '\t')
  65                 return true;
  66         return false;
  67 }
  68
  69 static inline bool ulinux_is_space(ulinux_u8 c)
  70 {
  71         /* see ascii table */
  72         if ( ('\t' <= c && c <= '\r') || (c == ' '))
  73                 return true;
  74         return false;
  75 }
  76
  77 static inline bool ulinux_is_xdigit(ulinux_u8 c)
  78 {
  79         if ('0' <= c && c <= '9')
  80                 return true;
  81         if ('A' <= c && c <= 'F')
  82                 return true;
  83         if ('a' <= c && c <= 'f')
  84                 return true;
  85         return false;
  86 }
  87
  88 static inline bool ulinux_is_cntrl(ulinux_u8 c)
  89 {
  90         if (c <= 0x1f || c == 0x7f)
  91                 return true;
  92         return false;
  93 }
  94
  95 static inline bool ulinux_is_punct(ulinux_u8 c)
  96 {
  97         if (('!' <= c && c <= '/') || (':' <= c && c <= '@')
  98                         || ('[' <= c && c <= '`') || ('{' <= c && c <= '~'))
  99                 return true;
 100         return false;
 101 }
 102
 103 /* XXX: send back the base ascii char and not a boolean ! */
 104 static inline ulinux_u8 ulinux_is_hex(ulinux_u8 c)
 105 {
 106         if ('0' <= c && c <= '9')
 107                 return '0';
 108         if ('A' <= c && c <= 'F')
 109                 return 'A';
 110         if ('a' <= c && c <= 'z')
 111                 return 'a';
 112         return 0;
 113 }
 114
 115 static inline bool ulinux_is_print(ulinux_u8 c)
 116 {
 117         if (' ' <= c && c <= '~')
 118                 return true;
 119         return false;
 120 }
 121
 122 static inline bool ulinux_is_graph(ulinux_u8 c)
 123 {
 124         if ('!' <= c && c <= '~')
 125                 return true;
 126           return false;
 127 }
 128
 129 static inline ulinux_u8 ulinux_2upper(ulinux_u8 c)
 130 {
 131         if (ulinux_is_lower(c))
 132                 c &= ~0x20;
 133         return c;
 134 }
 135
 136 static inline ulinux_u8 ulinux_2lower(ulinux_u8 c)
 137 {
 138         if (ulinux_is_upper(c))
 139                 c |= 0x20;
 140         return c;
 141 }
 142 #endif