ascii.h
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1 #ifndef NVIM_ASCII_H
2 #define NVIM_ASCII_H
3 
4 #include <stdbool.h>
5 
6 #include "nvim/macros.h"
7 #include "nvim/func_attr.h"
8 #include "nvim/os/os_defs.h"
9 
10 // Definitions of various common control characters.
11 
12 #define CharOrd(x) ((uint8_t)(x) < 'a' \
13  ? (uint8_t)(x) - 'A'\
14  : (uint8_t)(x) - 'a')
15 #define CharOrdLow(x) ((uint8_t)(x) - 'a')
16 #define CharOrdUp(x) ((uint8_t)(x) - 'A')
17 #define ROT13(c, a) (((((c) - (a)) + 13) % 26) + (a))
18 
19 #define NUL '\000'
20 #define BELL '\007'
21 #define BS '\010'
22 #define TAB '\011'
23 #define NL '\012'
24 #define NL_STR "\012"
25 #define FF '\014'
26 #define CAR '\015' // CR is used by Mac OS X
27 #define ESC '\033'
28 #define ESC_STR "\033"
29 #define DEL 0x7f
30 #define DEL_STR "\177"
31 #define CSI 0x9b // Control Sequence Introducer
32 #define CSI_STR "\233"
33 #define DCS 0x90 // Device Control String
34 #define STERM 0x9c // String Terminator
35 
36 #define POUND 0xA3
37 
38 #define Ctrl_chr(x) (TOUPPER_ASC(x) ^ 0x40) // '?' -> DEL, '@' -> ^@, etc.
39 #define Meta(x) ((x) | 0x80)
40 
41 #define CTRL_F_STR "\006"
42 #define CTRL_H_STR "\010"
43 #define CTRL_V_STR "\026"
44 
45 #define Ctrl_AT 0 // @
46 #define Ctrl_A 1
47 #define Ctrl_B 2
48 #define Ctrl_C 3
49 #define Ctrl_D 4
50 #define Ctrl_E 5
51 #define Ctrl_F 6
52 #define Ctrl_G 7
53 #define Ctrl_H 8
54 #define Ctrl_I 9
55 #define Ctrl_J 10
56 #define Ctrl_K 11
57 #define Ctrl_L 12
58 #define Ctrl_M 13
59 #define Ctrl_N 14
60 #define Ctrl_O 15
61 #define Ctrl_P 16
62 #define Ctrl_Q 17
63 #define Ctrl_R 18
64 #define Ctrl_S 19
65 #define Ctrl_T 20
66 #define Ctrl_U 21
67 #define Ctrl_V 22
68 #define Ctrl_W 23
69 #define Ctrl_X 24
70 #define Ctrl_Y 25
71 #define Ctrl_Z 26
72 // CTRL- [ Left Square Bracket == ESC
73 #define Ctrl_BSL 28 // \ BackSLash
74 #define Ctrl_RSB 29 // ] Right Square Bracket
75 #define Ctrl_HAT 30 // ^
76 #define Ctrl__ 31
77 
78 
79 // Character that separates dir names in a path.
80 #ifdef BACKSLASH_IN_FILENAME
81 # define PATHSEP psepc
82 # define PATHSEPSTR pseps
83 #else
84 # define PATHSEP '/'
85 # define PATHSEPSTR "/"
86 #endif
87 
88 static inline bool ascii_iswhite(int)
91 
92 static inline bool ascii_iswhite_or_nul(int)
95 
96 static inline bool ascii_isdigit(int)
99 
100 static inline bool ascii_isxdigit(int)
103 
104 static inline bool ascii_isident(int)
107 
108 static inline bool ascii_isbdigit(int)
111 
112 static inline bool ascii_isspace(int)
115 
119 static inline bool ascii_iswhite(int c)
120 {
121  return c == ' ' || c == '\t';
122 }
123 
127 static inline bool ascii_iswhite_or_nul(int c)
128 {
129  return ascii_iswhite(c) || c == NUL;
130 }
131 
141 static inline bool ascii_isdigit(int c)
142 {
143  return c >= '0' && c <= '9';
144 }
145 
149 static inline bool ascii_isxdigit(int c)
150 {
151  return (c >= '0' && c <= '9')
152  || (c >= 'a' && c <= 'f')
153  || (c >= 'A' && c <= 'F');
154 }
155 
159 static inline bool ascii_isident(int c)
160 {
161  return ASCII_ISALNUM(c) || c == '_';
162 }
163 
167 static inline bool ascii_isbdigit(int c)
168 {
169  return (c == '0' || c == '1');
170 }
171 
175 static inline bool ascii_isodigit(int c)
176 {
177  return (c >= '0' && c <= '7');
178 }
179 
184 static inline bool ascii_isspace(int c)
185 {
186  return (c >= 9 && c <= 13) || c == ' ';
187 }
188 
189 #endif // NVIM_ASCII_H
macros.h
NUL
#define NUL
Definition: ascii.h:19
ASCII_ISALNUM
#define ASCII_ISALNUM(c)
Definition: macros.h:54
REAL_FATTR_CONST
#define REAL_FATTR_CONST
Definition: func_attr.h:167
os_defs.h
func_attr.h
REAL_FATTR_ALWAYS_INLINE
static int REAL_FATTR_WARN_UNUSED_RESULT REAL_FATTR_ALWAYS_INLINE
Definition: typval_encode.c.h:265