f0957ccae4
This is the gsoc-2011 project to clean up and backport multibyte support from other nvi forks in a form we can use. USE_WIDECHAR is on unless building for the rescue crunchgen. This should allow editing in the native locale encoding. USE_ICONV depends on make.conf having 'WITH_ICONV=YES' for now. This adds the ability to do things like edit a KOI8-R file while having $LANG set to (say) en_US.UTF-8. iconv is used to transcode the characters for display. Other points: * It uses gencat and catopen/etc instead of homegrown msg catalog stuff. * A lot of stuff has been trimmed out, eg: the perl and tcl bindings which we could never use in base anyway. * It uses ncursesw when in widechar mode. This could be interesting. GSoC info: http://www.google-melange.com/gsoc/proposal/review/google/gsoc2011/zy/1 Repo at: https://github.com/lichray/nvi2 Obtained from: Zhihao Yuan <lichray@gmail.com>
116 lines
2.7 KiB
C
116 lines
2.7 KiB
C
/*-
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* Copyright (c) 1992, 1993, 1994
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* The Regents of the University of California. All rights reserved.
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* Copyright (c) 1992, 1993, 1994, 1995, 1996
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* Keith Bostic. All rights reserved.
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*
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* See the LICENSE file for redistribution information.
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*
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* $Id: multibyte.h,v 1.32 2012/10/07 01:35:58 zy Exp $
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*/
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#ifndef MULTIBYTE_H
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#define MULTIBYTE_H
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/*
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* Fundamental character types.
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*
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* CHAR_T An integral type that can hold any character.
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* ARG_CHAR_T The type of a CHAR_T when passed as an argument using
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* traditional promotion rules. It should also be able
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* to be compared against any CHAR_T for equality without
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* problems.
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* UCHAR_T The shortest unified character type (8-bit clean).
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* RCHAR_T The character type used by the internal regex engine.
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*
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* If no integral type can hold a character, don't even try the port.
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*/
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typedef int ARG_CHAR_T;
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#ifdef USE_WIDECHAR
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#include <wchar.h>
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#include <wctype.h>
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typedef wchar_t CHAR_T;
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typedef wint_t UCHAR_T;
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typedef wchar_t RCHAR_T;
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#define REOF WEOF
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#define STRLEN wcslen
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#define STRTOL wcstol
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#define STRTOUL wcstoul
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#define SPRINTF swprintf
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#define STRCMP wcscmp
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#define STRPBRK wcspbrk
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#define ISBLANK iswblank
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#define ISCNTRL iswcntrl
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#define ISDIGIT iswdigit
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#define ISXDIGIT iswxdigit
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#define ISGRAPH iswgraph
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#define ISLOWER iswlower
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#define ISPRINT iswprint
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#define ISPUNCT iswpunct
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#define ISSPACE iswspace
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#define ISUPPER iswupper
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#define TOLOWER towlower
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#define TOUPPER towupper
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#define STRSET wmemset
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#define STRCHR wcschr
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#define STRRCHR wcsrchr
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#define GETC getwc
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#define L(ch) L ## ch
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#define WS "%ls"
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#define WVS "%*ls"
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#define WC "%lc"
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#else
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typedef u_char CHAR_T;
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typedef u_char UCHAR_T;
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typedef char RCHAR_T;
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#define REOF EOF
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#define STRLEN strlen
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#define STRTOL(a,b,c) (strtol(a,(char**)b,c))
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#define STRTOUL(a,b,c) (strtoul(a,(char**)b,c))
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#define SPRINTF snprintf
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#define STRCMP strcmp
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#define STRPBRK strpbrk
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#define ISBLANK isblank
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#define ISCNTRL iscntrl
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#define ISDIGIT isdigit
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#define ISXDIGIT isxdigit
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#define ISGRAPH isgraph
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#define ISLOWER islower
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#define ISPRINT isprint
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#define ISPUNCT ispunct
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#define ISSPACE isspace
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#define ISUPPER isupper
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#define TOLOWER tolower
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#define TOUPPER toupper
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#define STRSET memset
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#define STRCHR strchr
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#define STRRCHR strrchr
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#define GETC getc
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#define L(ch) ch
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#define WS "%s"
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#define WVS "%*s"
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#define WC "%c"
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#endif
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#if defined(USE_WIDECHAR) && defined(DEBUG)
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#define MEMCPY wmemcpy
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#define MEMMOVE wmemmove
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#define MEMCMP wmemcmp
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#else
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#define MEMCPY(p, t, len) memcpy(p, t, (len) * sizeof(CHAR_T))
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#define MEMMOVE(p, t, len) memmove(p, t, (len) * sizeof(CHAR_T))
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#define MEMCMP(p, t, len) memcmp(p, t, (len) * sizeof(CHAR_T))
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#endif
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#define SIZE(w) (sizeof(w) / sizeof(*w))
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#endif
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