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#pragma once
#include <stdbool.h>
#include "nvim/func_attr.h"
#include "nvim/macros_defs.h"
#include "nvim/os/os_defs.h"
// Definitions of various common control characters.
#define CHAR_ORD(x) ((uint8_t)(x) < 'a' \
? (uint8_t)(x) - 'A' \
: (uint8_t)(x) - 'a')
#define CHAR_ORD_LOW(x) ((uint8_t)(x) - 'a')
#define CHAR_ORD_UP(x) ((uint8_t)(x) - 'A')
#define ROT13(c, a) (((((c) - (a)) + 13) % 26) + (a))
#define NUL '\000'
#define BELL '\007'
#define BS '\010'
#define TAB '\011'
#define NL '\012'
#define NL_STR "\012"
#define FF '\014'
#define CAR '\015' // CR is used by Mac OS X
#define ESC '\033'
#define ESC_STR "\033"
#define DEL 0x7f
#define DEL_STR "\177"
#define CSI 0x9b // Control Sequence Introducer
#define CSI_STR "\233"
#define DCS 0x90 // Device Control String
#define STERM 0x9c // String Terminator
#define POUND 0xA3
#define CTRL_CHR(x) (TOUPPER_ASC(x) ^ 0x40) // '?' -> DEL, '@' -> ^@, etc.
#define META(x) ((x) | 0x80)
#define CTRL_F_STR "\006"
#define CTRL_H_STR "\010"
#define CTRL_V_STR "\026"
#define Ctrl_AT 0 // @
#define Ctrl_A 1
#define Ctrl_B 2
#define Ctrl_C 3
#define Ctrl_D 4
#define Ctrl_E 5
#define Ctrl_F 6
#define Ctrl_G 7
#define Ctrl_H 8
#define Ctrl_I 9
#define Ctrl_J 10
#define Ctrl_K 11
#define Ctrl_L 12
#define Ctrl_M 13
#define Ctrl_N 14
#define Ctrl_O 15
#define Ctrl_P 16
#define Ctrl_Q 17
#define Ctrl_R 18
#define Ctrl_S 19
#define Ctrl_T 20
#define Ctrl_U 21
#define Ctrl_V 22
#define Ctrl_W 23
#define Ctrl_X 24
#define Ctrl_Y 25
#define Ctrl_Z 26
// CTRL- [ Left Square Bracket == ESC
#define Ctrl_BSL 28 // \ BackSLash
#define Ctrl_RSB 29 // ] Right Square Bracket
#define Ctrl_HAT 30 // ^
#define Ctrl__ 31
// Character that separates dir names in a path.
#ifdef BACKSLASH_IN_FILENAME
# define PATHSEP psepc
# define PATHSEPSTR pseps
#else
# define PATHSEP '/'
# define PATHSEPSTR "/"
#endif
static inline bool ascii_iswhite(int c)
REAL_FATTR_CONST
REAL_FATTR_ALWAYS_INLINE;
static inline bool ascii_iswhite_or_nul(int c)
REAL_FATTR_CONST
REAL_FATTR_ALWAYS_INLINE;
static inline bool ascii_isdigit(int c)
REAL_FATTR_CONST
REAL_FATTR_ALWAYS_INLINE;
static inline bool ascii_isxdigit(int c)
REAL_FATTR_CONST
REAL_FATTR_ALWAYS_INLINE;
static inline bool ascii_isident(int c)
REAL_FATTR_CONST
REAL_FATTR_ALWAYS_INLINE;
static inline bool ascii_isbdigit(int c)
REAL_FATTR_CONST
REAL_FATTR_ALWAYS_INLINE;
static inline bool ascii_isodigit(int c)
REAL_FATTR_CONST
REAL_FATTR_ALWAYS_INLINE;
static inline bool ascii_isspace(int c)
REAL_FATTR_CONST
REAL_FATTR_ALWAYS_INLINE;
/// Checks if `c` is a space or tab character.
///
/// @see {ascii_isdigit}
static inline bool ascii_iswhite(int c)
{
return c == ' ' || c == '\t';
}
/// Checks if `c` is a space or tab character or NUL.
///
/// @see {ascii_isdigit}
static inline bool ascii_iswhite_or_nul(int c)
{
return ascii_iswhite(c) || c == NUL;
}
/// Check whether character is a decimal digit.
///
/// Library isdigit() function is officially locale-dependent and, for
/// example, returns true for superscript 1 (¹) in locales where encoding
/// contains it in lower 8 bits. Also avoids crashes in case c is below
/// 0 or above 255: library functions are officially defined as accepting
/// only EOF and unsigned char values (otherwise it is undefined behaviour)
/// what may be used for some optimizations (e.g. simple `return
/// isdigit_table[c];`).
static inline bool ascii_isdigit(int c)
{
return c >= '0' && c <= '9';
}
/// Checks if `c` is a hexadecimal digit, that is, one of 0-9, a-f, A-F.
///
/// @see {ascii_isdigit}
static inline bool ascii_isxdigit(int c)
{
return (c >= '0' && c <= '9')
|| (c >= 'a' && c <= 'f')
|| (c >= 'A' && c <= 'F');
}
/// Checks if `c` is an “identifier” character
///
/// That is, whether it is alphanumeric character or underscore.
static inline bool ascii_isident(int c)
{
return ASCII_ISALNUM(c) || c == '_';
}
/// Checks if `c` is a binary digit, that is, 0-1.
///
/// @see {ascii_isdigit}
static inline bool ascii_isbdigit(int c)
{
return (c == '0' || c == '1');
}
/// Checks if `c` is an octal digit, that is, 0-7.
///
/// @see {ascii_isdigit}
static inline bool ascii_isodigit(int c)
{
return (c >= '0' && c <= '7');
}
/// Checks if `c` is a white-space character, that is,
/// one of \f, \n, \r, \t, \v.
///
/// @see {ascii_isdigit}
static inline bool ascii_isspace(int c)
{
return (c >= 9 && c <= 13) || c == ' ';
}
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