freebsd-dev/contrib/nvi/common/multibyte.h
Baptiste Daroussin 110d525ec6 Update nvi to 2.2.0
Main changes:
* Vim-style expandtab option
* Provides Turkish translation
* Backspace now deletes \ rather than being escaped
* T during motion commands is now VI-compatible
* Encoding related fixes, such as UTF-8 detection
* Fixed a number of memory management issues

MFC after:	3 weeks
2020-09-09 08:38:47 +00:00

148 lines
3.1 KiB
C

/*-
* Copyright (c) 1992, 1993, 1994
* The Regents of the University of California. All rights reserved.
* Copyright (c) 1992, 1993, 1994, 1995, 1996
* Keith Bostic. All rights reserved.
*
* See the LICENSE file for redistribution information.
*/
#ifndef MULTIBYTE_H
#define MULTIBYTE_H
/*
* Fundamental character types.
*
* CHAR_T An integral type that can hold any character.
* ARG_CHAR_T The type of a CHAR_T when passed as an argument using
* traditional promotion rules. It should also be able
* to be compared against any CHAR_T for equality without
* problems.
* UCHAR_T The shortest unified character type (8-bit clean).
* RCHAR_T The character type used by the internal regex engine.
*
* If no integral type can hold a character, don't even try the port.
*/
typedef int ARG_CHAR_T;
#ifdef USE_WIDECHAR
#include <wchar.h>
#include <wctype.h>
typedef wchar_t CHAR_T;
typedef wint_t UCHAR_T;
typedef wchar_t RCHAR_T;
#define REOF WEOF
#define STRLEN wcslen
#define STRTOL wcstol
#define STRTOUL wcstoul
#define SPRINTF swprintf
#define STRCMP wcscmp
#define STRPBRK wcspbrk
#define ISBLANK iswblank
#define ISCNTRL iswcntrl
#define ISDIGIT iswdigit
#define ISXDIGIT iswxdigit
#define ISGRAPH iswgraph
#define ISLOWER iswlower
#define ISPRINT iswprint
#define ISPUNCT iswpunct
#define ISSPACE iswspace
#define ISUPPER iswupper
#define TOLOWER towlower
#define TOUPPER towupper
#define STRSET wmemset
#define STRCHR wcschr
#define STRRCHR wcsrchr
#define GETC getwc
#define L(ch) L ## ch
#define WS "%ls"
#define WVS "%*ls"
#define WC "%lc"
#else
typedef u_char CHAR_T;
typedef u_char UCHAR_T;
typedef char RCHAR_T;
#define REOF EOF
#define STRLEN strlen
#define STRTOL(a,b,c) (strtol(a,(char**)b,c))
#define STRTOUL(a,b,c) (strtoul(a,(char**)b,c))
#define SPRINTF snprintf
#define STRCMP strcmp
#define STRPBRK strpbrk
#define ISBLANK isblank
#define ISCNTRL iscntrl
#define ISDIGIT isdigit
#define ISXDIGIT isxdigit
#define ISGRAPH isgraph
#define ISLOWER islower
#define ISPRINT isprint
#define ISPUNCT ispunct
#define ISSPACE isspace
#define ISUPPER isupper
#define TOLOWER tolower
#define TOUPPER toupper
#define STRSET memset
#define STRCHR strchr
#define STRRCHR strrchr
#define GETC getc
#define L(ch) ch
#define WS "%s"
#define WVS "%*s"
#define WC "%c"
#endif
#if defined(USE_WIDECHAR) && defined(DEBUG)
#define MEMCPY wmemcpy
#define MEMMOVE wmemmove
#define MEMCMP wmemcmp
#else
#define MEMCPY(p, t, len) memcpy(p, t, (len) * sizeof(CHAR_T))
#define MEMMOVE(p, t, len) memmove(p, t, (len) * sizeof(CHAR_T))
#define MEMCMP(p, t, len) memcmp(p, t, (len) * sizeof(CHAR_T))
#endif
#define SIZE(w) (sizeof(w) / sizeof(*w))
/*
* Locale insensitive character category detection.
*/
static __inline int
isatoz(CHAR_T c)
{
return 'a' <= c && c <= 'z';
}
static __inline int
isAtoZ(CHAR_T c)
{
return 'A' <= c && c <= 'Z';
}
static __inline int
is0to9(CHAR_T c)
{
return '0' <= c && c <= '9';
}
static __inline int
isazAZ(CHAR_T c)
{
return isatoz(c) || isAtoZ(c);
}
static __inline int
is09azAZ(CHAR_T c)
{
return is0to9(c) || isazAZ(c);
}
#endif