libedit/src/chartype.h - nest-cam/4320010/libedit - Git at Google

 /*	$NetBSD: chartype.h,v 1.10 2011/11/16 01:45:10 christos Exp $	*/

 /*-
  * Copyright (c) 2009 The NetBSD Foundation, Inc.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  * 3. All advertising materials mentioning features or use of this software
  *    must display the following acknowledgement:
  *        This product includes software developed by the NetBSD
  *        Foundation, Inc. and its contributors.
  * 4. Neither the name of The NetBSD Foundation nor the names of its
  *    contributors may be used to endorse or promote products derived
  *    from this software without specific prior written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  * POSSIBILITY OF SUCH DAMAGE.
  */

 #ifndef _h_chartype_f
 #define _h_chartype_f


 #ifdef WIDECHAR

 /* Ideally we should also test the value of the define to see if it
  * supports non-BMP code points without requiring UTF-16, but nothing
  * seems to actually advertise this properly, despite Unicode 3.1 having
  * been around since 2001... */
 #if !defined(__NetBSD__) && !defined(__sun) && !(defined(__APPLE__) && defined(__MACH__))
 #ifndef __STDC_ISO_10646__
 /* In many places it is assumed that the first 127 code points are ASCII
  * compatible, so ensure wchar_t indeed does ISO 10646 and not some other
  * funky encoding that could break us in weird and wonderful ways. */
 	#error wchar_t must store ISO 10646 characters
 #endif
 #endif

 /* Oh for a <uchar.h> with char32_t and __STDC_UTF_32__ in it...
  * ref: ISO/IEC DTR 19769
  */
 #if WCHAR_MAX < INT32_MAX
 #warning Build environment does not support non-BMP characters
 #endif

 #ifndef HAVE_WCSDUP
 wchar_t *wcsdup(const wchar_t *s);
 #endif

 #define ct_mbtowc            mbtowc
 #define ct_mbtowc_reset      mbtowc(0,0,(size_t)0)
 #define ct_wctomb            wctomb
 #define ct_wctomb_reset      wctomb(0,0)
 #define ct_wcstombs          wcstombs
 #define ct_mbstowcs          mbstowcs

 #define Char			wchar_t
 #define Int			wint_t
 #define FUN(prefix,rest)	prefix ## _w ## rest
 #define FUNW(type)		type ## _w
 #define TYPE(type)		type ## W
 #define FSTR			"%ls"
 #define STR(x) 			L ## x
 #define UC(c)			c
 #define Isalpha(x)  iswalpha(x)
 #define Isalnum(x)  iswalnum(x)
 #define Isgraph(x)  iswgraph(x)
 #define Isspace(x)  iswspace(x)
 #define Isdigit(x)  iswdigit(x)
 #define Iscntrl(x)  iswcntrl(x)
 #define Isprint(x)  iswprint(x)

 #define Isupper(x)  iswupper(x)
 #define Islower(x)  iswlower(x)
 #define Toupper(x)  towupper(x)
 #define Tolower(x)  towlower(x)

 #define IsASCII(x)  (x < 0x100)

 #define Strlen(x)       wcslen(x)
 #define Strchr(s,c)     wcschr(s,c)
 #define Strrchr(s,c)    wcsrchr(s,c)
 #define Strstr(s,v)     wcsstr(s,v)
 #define Strdup(x)       wcsdup(x)
 #define Strcpy(d,s)     wcscpy(d,s)
 #define Strncpy(d,s,n)  wcsncpy(d,s,n)
 #define Strncat(d,s,n)  wcsncat(d,s,n)

 #define Strcmp(s,v)     wcscmp(s,v)
 #define Strncmp(s,v,n)  wcsncmp(s,v,n)
 #define Strcspn(s,r)    wcscspn(s,r)

 #define Strtol(p,e,b)   wcstol(p,e,b)

 static inline int
 Width(wchar_t c)
 {
 	int w = wcwidth(c);
 	return w < 0 ? 0 : w;
 }

 #else /* NARROW */

 #define ct_mbtowc            error
 #define ct_mbtowc_reset
 #define ct_wctomb            error
 #define ct_wctomb_reset
 #define ct_wcstombs(a, b, c)    (strncpy(a, b, c), strlen(a))
 #define ct_mbstowcs(a, b, c)    (strncpy(a, b, c), strlen(a))

 #define Char			char
 #define Int			int
 #define FUN(prefix,rest)	prefix ## _ ## rest
 #define FUNW(type)		type
 #define TYPE(type)		type
 #define FSTR			"%s"
 #define STR(x) 			x
 #define UC(c)			(unsigned char)(c)

 #define Isalpha(x)  isalpha((unsigned char)x)
 #define Isalnum(x)  isalnum((unsigned char)x)
 #define Isgraph(x)  isgraph((unsigned char)x)
 #define Isspace(x)  isspace((unsigned char)x)
 #define Isdigit(x)  isdigit((unsigned char)x)
 #define Iscntrl(x)  iscntrl((unsigned char)x)
 #define Isprint(x)  isprint((unsigned char)x)

 #define Isupper(x)  isupper((unsigned char)x)
 #define Islower(x)  islower((unsigned char)x)
 #define Toupper(x)  toupper((unsigned char)x)
 #define Tolower(x)  tolower((unsigned char)x)

 #define IsASCII(x)  isascii((unsigned char)x)

 #define Strlen(x)       strlen(x)
 #define Strchr(s,c)     strchr(s,c)
 #define Strrchr(s,c)    strrchr(s,c)
 #define Strstr(s,v)     strstr(s,v)
 #define Strdup(x)       strdup(x)
 #define Strcpy(d,s)     strcpy(d,s)
 #define Strncpy(d,s,n)  strncpy(d,s,n)
 #define Strncat(d,s,n)  strncat(d,s,n)

 #define Strcmp(s,v)     strcmp(s,v)
 #define Strncmp(s,v,n)  strncmp(s,v,n)
 #define Strcspn(s,r)    strcspn(s,r)

 #define Strtol(p,e,b)   strtol(p,e,b)

 #define Width(c)	1

 #endif


 #ifdef WIDECHAR
 /*
  * Conversion buffer
  */
 typedef struct ct_buffer_t {
         char    *cbuff;
         size_t  csize;
         Char *wbuff;
         size_t  wsize;
 } ct_buffer_t;

 #define ct_encode_string __ct_encode_string
 /* Encode a wide-character string and return the UTF-8 encoded result. */
 public char *ct_encode_string(const Char *, ct_buffer_t *);

 #define ct_decode_string __ct_decode_string
 /* Decode a (multi)?byte string and return the wide-character string result. */
 public Char *ct_decode_string(const char *, ct_buffer_t *);

 /* Decode a (multi)?byte argv string array.
  * The pointer returned must be free()d when done. */
 protected Char **ct_decode_argv(int, const char *[],  ct_buffer_t *);

 /* Resizes the conversion buffer(s) if needed. */
 protected void ct_conv_buff_resize(ct_buffer_t *, size_t, size_t);
 protected ssize_t ct_encode_char(char *, size_t, Char);
 protected size_t ct_enc_width(Char);

 #define ct_free_argv(s)	el_free(s)

 #else
 #define	ct_encode_string(s, b)	(s)
 #define ct_decode_string(s, b)	(s)
 #define ct_decode_argv(l, s, b)	(s)
 #define ct_conv_buff_resize(b, os, ns)
 #define ct_encode_char(d, l, s)	(*d = s, 1)
 #define ct_free_argv(s)
 #endif

 #ifndef NARROWCHAR
 /* Encode a characted into the destination buffer, provided there is sufficent
  * buffer space available. Returns the number of bytes used up (zero if the
  * character cannot be encoded, -1 if there was not enough space available). */

 /* The maximum buffer size to hold the most unwieldly visual representation,
  * in this case \U+nnnnn. */
 #define VISUAL_WIDTH_MAX ((size_t)8)

 /* The terminal is thought of in terms of X columns by Y lines. In the cases
  * where a wide character takes up more than one column, the adjacent
  * occupied column entries will contain this faux character. */
 #define MB_FILL_CHAR ((Char)-1)

 /* Visual width of character c, taking into account ^? , \0177 and \U+nnnnn
  * style visual expansions. */
 protected int ct_visual_width(Char);

 /* Turn the given character into the appropriate visual format, matching
  * the width given by ct_visual_width(). Returns the number of characters used
  * up, or -1 if insufficient space. Buffer length is in count of Char's. */
 protected ssize_t ct_visual_char(Char *, size_t, Char);

 /* Convert the given string into visual format, using the ct_visual_char()
  * function. Uses a static buffer, so not threadsafe. */
 protected const Char *ct_visual_string(const Char *);


 /* printable character, use ct_visual_width() to find out display width */
 #define CHTYPE_PRINT        ( 0)
 /* control character found inside the ASCII portion of the charset */
 #define CHTYPE_ASCIICTL     (-1)
 /* a \t */
 #define CHTYPE_TAB          (-2)
 /* a \n */
 #define CHTYPE_NL           (-3)
 /* non-printable character */
 #define CHTYPE_NONPRINT     (-4)
 /* classification of character c, as one of the above defines */
 protected int ct_chr_class(Char c);
 #endif


 #endif /* _chartype_f */
	/* $NetBSD: chartype.h,v 1.10 2011/11/16 01:45:10 christos Exp $ */

	/*-
	* Copyright (c) 2009 The NetBSD Foundation, Inc.
	* All rights reserved.
	*
	* Redistribution and use in source and binary forms, with or without
	* modification, are permitted provided that the following conditions
	* are met:
	* 1. Redistributions of source code must retain the above copyright
	* notice, this list of conditions and the following disclaimer.
	* 2. Redistributions in binary form must reproduce the above copyright
	* notice, this list of conditions and the following disclaimer in the
	* documentation and/or other materials provided with the distribution.
	* 3. All advertising materials mentioning features or use of this software
	* must display the following acknowledgement:
	* This product includes software developed by the NetBSD
	* Foundation, Inc. and its contributors.
	* 4. Neither the name of The NetBSD Foundation nor the names of its
	* contributors may be used to endorse or promote products derived
	* from this software without specific prior written permission.
	*
	* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
	* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
	* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
	* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
	* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
	* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
	* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
	* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
	* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
	* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
	* POSSIBILITY OF SUCH DAMAGE.
	*/

	#ifndef _h_chartype_f
	#define _h_chartype_f



	#ifdef WIDECHAR

	/* Ideally we should also test the value of the define to see if it
	* supports non-BMP code points without requiring UTF-16, but nothing
	* seems to actually advertise this properly, despite Unicode 3.1 having
	* been around since 2001... */
	#if !defined(__NetBSD__) && !defined(__sun) && !(defined(__APPLE__) && defined(__MACH__))
	#ifndef __STDC_ISO_10646__
	/* In many places it is assumed that the first 127 code points are ASCII
	* compatible, so ensure wchar_t indeed does ISO 10646 and not some other
	* funky encoding that could break us in weird and wonderful ways. */
	#error wchar_t must store ISO 10646 characters
	#endif
	#endif

	/* Oh for a <uchar.h> with char32_t and __STDC_UTF_32__ in it...
	* ref: ISO/IEC DTR 19769
	*/
	#if WCHAR_MAX < INT32_MAX
	#warning Build environment does not support non-BMP characters
	#endif

	#ifndef HAVE_WCSDUP
	wchar_t wcsdup(const wchar_t s);
	#endif

	#define ct_mbtowc mbtowc
	#define ct_mbtowc_reset mbtowc(0,0,(size_t)0)
	#define ct_wctomb wctomb
	#define ct_wctomb_reset wctomb(0,0)
	#define ct_wcstombs wcstombs
	#define ct_mbstowcs mbstowcs

	#define Char wchar_t
	#define Int wint_t
	#define FUN(prefix,rest) prefix ## _w ## rest
	#define FUNW(type) type ## _w
	#define TYPE(type) type ## W
	#define FSTR "%ls"
	#define STR(x) L ## x
	#define UC(c) c
	#define Isalpha(x) iswalpha(x)
	#define Isalnum(x) iswalnum(x)
	#define Isgraph(x) iswgraph(x)
	#define Isspace(x) iswspace(x)
	#define Isdigit(x) iswdigit(x)
	#define Iscntrl(x) iswcntrl(x)
	#define Isprint(x) iswprint(x)

	#define Isupper(x) iswupper(x)
	#define Islower(x) iswlower(x)
	#define Toupper(x) towupper(x)
	#define Tolower(x) towlower(x)

	#define IsASCII(x) (x < 0x100)

	#define Strlen(x) wcslen(x)
	#define Strchr(s,c) wcschr(s,c)
	#define Strrchr(s,c) wcsrchr(s,c)
	#define Strstr(s,v) wcsstr(s,v)
	#define Strdup(x) wcsdup(x)
	#define Strcpy(d,s) wcscpy(d,s)
	#define Strncpy(d,s,n) wcsncpy(d,s,n)
	#define Strncat(d,s,n) wcsncat(d,s,n)

	#define Strcmp(s,v) wcscmp(s,v)
	#define Strncmp(s,v,n) wcsncmp(s,v,n)
	#define Strcspn(s,r) wcscspn(s,r)

	#define Strtol(p,e,b) wcstol(p,e,b)

	static inline int
	Width(wchar_t c)
	{
	int w = wcwidth(c);
	return w < 0 ? 0 : w;
	}

	#else /* NARROW */

	#define ct_mbtowc error
	#define ct_mbtowc_reset
	#define ct_wctomb error
	#define ct_wctomb_reset
	#define ct_wcstombs(a, b, c) (strncpy(a, b, c), strlen(a))
	#define ct_mbstowcs(a, b, c) (strncpy(a, b, c), strlen(a))

	#define Char char
	#define Int int
	#define FUN(prefix,rest) prefix ## _ ## rest
	#define FUNW(type) type
	#define TYPE(type) type
	#define FSTR "%s"
	#define STR(x) x
	#define UC(c) (unsigned char)(c)

	#define Isalpha(x) isalpha((unsigned char)x)
	#define Isalnum(x) isalnum((unsigned char)x)
	#define Isgraph(x) isgraph((unsigned char)x)
	#define Isspace(x) isspace((unsigned char)x)
	#define Isdigit(x) isdigit((unsigned char)x)
	#define Iscntrl(x) iscntrl((unsigned char)x)
	#define Isprint(x) isprint((unsigned char)x)

	#define Isupper(x) isupper((unsigned char)x)
	#define Islower(x) islower((unsigned char)x)
	#define Toupper(x) toupper((unsigned char)x)
	#define Tolower(x) tolower((unsigned char)x)

	#define IsASCII(x) isascii((unsigned char)x)

	#define Strlen(x) strlen(x)
	#define Strchr(s,c) strchr(s,c)
	#define Strrchr(s,c) strrchr(s,c)
	#define Strstr(s,v) strstr(s,v)
	#define Strdup(x) strdup(x)
	#define Strcpy(d,s) strcpy(d,s)
	#define Strncpy(d,s,n) strncpy(d,s,n)
	#define Strncat(d,s,n) strncat(d,s,n)

	#define Strcmp(s,v) strcmp(s,v)
	#define Strncmp(s,v,n) strncmp(s,v,n)
	#define Strcspn(s,r) strcspn(s,r)

	#define Strtol(p,e,b) strtol(p,e,b)

	#define Width(c) 1

	#endif


	#ifdef WIDECHAR
	/*
	* Conversion buffer
	*/
	typedef struct ct_buffer_t {
	char *cbuff;
	size_t csize;
	Char *wbuff;
	size_t wsize;
	} ct_buffer_t;

	#define ct_encode_string __ct_encode_string
	/* Encode a wide-character string and return the UTF-8 encoded result. */
	public char ct_encode_string(const Char , ct_buffer_t *);

	#define ct_decode_string __ct_decode_string
	/* Decode a (multi)?byte string and return the wide-character string result. */
	public Char ct_decode_string(const char , ct_buffer_t *);

	/* Decode a (multi)?byte argv string array.
	* The pointer returned must be free()d when done. */
	protected Char *ct_decode_argv(int, const char [], ct_buffer_t *);

	/* Resizes the conversion buffer(s) if needed. */
	protected void ct_conv_buff_resize(ct_buffer_t *, size_t, size_t);
	protected ssize_t ct_encode_char(char *, size_t, Char);
	protected size_t ct_enc_width(Char);

	#define ct_free_argv(s) el_free(s)

	#else
	#define ct_encode_string(s, b) (s)
	#define ct_decode_string(s, b) (s)
	#define ct_decode_argv(l, s, b) (s)
	#define ct_conv_buff_resize(b, os, ns)
	#define ct_encode_char(d, l, s) (*d = s, 1)
	#define ct_free_argv(s)
	#endif

	#ifndef NARROWCHAR
	/* Encode a characted into the destination buffer, provided there is sufficent
	* buffer space available. Returns the number of bytes used up (zero if the
	* character cannot be encoded, -1 if there was not enough space available). */

	/* The maximum buffer size to hold the most unwieldly visual representation,
	* in this case \U+nnnnn. */
	#define VISUAL_WIDTH_MAX ((size_t)8)

	/* The terminal is thought of in terms of X columns by Y lines. In the cases
	* where a wide character takes up more than one column, the adjacent
	* occupied column entries will contain this faux character. */
	#define MB_FILL_CHAR ((Char)-1)

	/* Visual width of character c, taking into account ^? , \0177 and \U+nnnnn
	* style visual expansions. */
	protected int ct_visual_width(Char);

	/* Turn the given character into the appropriate visual format, matching
	* the width given by ct_visual_width(). Returns the number of characters used
	* up, or -1 if insufficient space. Buffer length is in count of Char's. */
	protected ssize_t ct_visual_char(Char *, size_t, Char);

	/* Convert the given string into visual format, using the ct_visual_char()
	* function. Uses a static buffer, so not threadsafe. */
	protected const Char ct_visual_string(const Char );


	/* printable character, use ct_visual_width() to find out display width */
	#define CHTYPE_PRINT ( 0)
	/* control character found inside the ASCII portion of the charset */
	#define CHTYPE_ASCIICTL (-1)
	/* a \t */
	#define CHTYPE_TAB (-2)
	/* a \n */
	#define CHTYPE_NL (-3)
	/* non-printable character */
	#define CHTYPE_NONPRINT (-4)
	/* classification of character c, as one of the above defines */
	protected int ct_chr_class(Char c);
	#endif


	#endif /* _chartype_f */