392 lines
14 KiB
C
392 lines
14 KiB
C
/* Copyright (C) 1996,1997,1998,1999,2000,2001 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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/*
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* ISO C99 Standard: 7.25
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* Wide character classification and mapping utilities <wctype.h>
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*/
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#ifndef _WCTYPE_H
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#include <features.h>
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#include <bits/types.h>
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#ifndef __need_iswxxx
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# define _WCTYPE_H 1
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/* We try to get wint_t from <stddef.h>, but not all GCC versions define it
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there. So define it ourselves if it remains undefined. */
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# define __need_wint_t
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# include <stddef.h>
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# ifndef _WINT_T
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/* Integral type unchanged by default argument promotions that can
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hold any value corresponding to members of the extended character
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set, as well as at least one value that does not correspond to any
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member of the extended character set. */
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# define _WINT_T
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typedef unsigned int wint_t;
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# endif
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/* Constant expression of type `wint_t' whose value does not correspond
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to any member of the extended character set. */
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# ifndef WEOF
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# define WEOF (0xffffffffu)
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# endif
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#endif
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#undef __need_iswxxx
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/* The following part is also used in the <wcsmbs.h> header when compiled
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in the Unix98 compatibility mode. */
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#ifndef __iswxxx_defined
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# define __iswxxx_defined 1
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/* Scalar type that can hold values which represent locale-specific
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character classifications. */
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typedef unsigned long int wctype_t;
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# ifndef _ISwbit
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/* The characteristics are stored always in network byte order (big
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endian). We define the bit value interpretations here dependent on the
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machine's byte order. */
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# include <endian.h>
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# if __BYTE_ORDER == __BIG_ENDIAN
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# define _ISwbit(bit) (1 << (bit))
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# else /* __BYTE_ORDER == __LITTLE_ENDIAN */
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# define _ISwbit(bit) \
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((bit) < 8 ? (int) ((1UL << (bit)) << 24) \
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: ((bit) < 16 ? (int) ((1UL << (bit)) << 8) \
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: ((bit) < 24 ? (int) ((1UL << (bit)) >> 8) \
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: (int) ((1UL << (bit)) >> 24))))
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# endif
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enum
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{
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__ISwupper = 0, /* UPPERCASE. */
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__ISwlower = 1, /* lowercase. */
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__ISwalpha = 2, /* Alphabetic. */
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__ISwdigit = 3, /* Numeric. */
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__ISwxdigit = 4, /* Hexadecimal numeric. */
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__ISwspace = 5, /* Whitespace. */
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__ISwprint = 6, /* Printing. */
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__ISwgraph = 7, /* Graphical. */
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__ISwblank = 8, /* Blank (usually SPC and TAB). */
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__ISwcntrl = 9, /* Control character. */
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__ISwpunct = 10, /* Punctuation. */
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__ISwalnum = 11, /* Alphanumeric. */
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_ISwupper = _ISwbit (__ISwupper), /* UPPERCASE. */
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_ISwlower = _ISwbit (__ISwlower), /* lowercase. */
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_ISwalpha = _ISwbit (__ISwalpha), /* Alphabetic. */
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_ISwdigit = _ISwbit (__ISwdigit), /* Numeric. */
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_ISwxdigit = _ISwbit (__ISwxdigit), /* Hexadecimal numeric. */
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_ISwspace = _ISwbit (__ISwspace), /* Whitespace. */
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_ISwprint = _ISwbit (__ISwprint), /* Printing. */
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_ISwgraph = _ISwbit (__ISwgraph), /* Graphical. */
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_ISwblank = _ISwbit (__ISwblank), /* Blank (usually SPC and TAB). */
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_ISwcntrl = _ISwbit (__ISwcntrl), /* Control character. */
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_ISwpunct = _ISwbit (__ISwpunct), /* Punctuation. */
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_ISwalnum = _ISwbit (__ISwalnum) /* Alphanumeric. */
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};
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# endif /* Not _ISwbit */
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__BEGIN_DECLS
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/*
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* Wide-character classification functions: 7.15.2.1.
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*/
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/* Test for any wide character for which `iswalpha' or `iswdigit' is
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true. */
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extern int iswalnum (wint_t __wc) __THROW;
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/* Test for any wide character for which `iswupper' or 'iswlower' is
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true, or any wide character that is one of a locale-specific set of
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wide-characters for which none of `iswcntrl', `iswdigit',
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`iswpunct', or `iswspace' is true. */
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extern int iswalpha (wint_t __wc) __THROW;
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/* Test for any control wide character. */
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extern int iswcntrl (wint_t __wc) __THROW;
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/* Test for any wide character that corresponds to a decimal-digit
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character. */
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extern int iswdigit (wint_t __wc) __THROW;
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/* Test for any wide character for which `iswprint' is true and
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`iswspace' is false. */
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extern int iswgraph (wint_t __wc) __THROW;
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/* Test for any wide character that corresponds to a lowercase letter
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or is one of a locale-specific set of wide characters for which
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none of `iswcntrl', `iswdigit', `iswpunct', or `iswspace' is true. */
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extern int iswlower (wint_t __wc) __THROW;
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/* Test for any printing wide character. */
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extern int iswprint (wint_t __wc) __THROW;
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/* Test for any printing wide character that is one of a
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locale-specific et of wide characters for which neither `iswspace'
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nor `iswalnum' is true. */
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extern int iswpunct (wint_t __wc) __THROW;
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/* Test for any wide character that corresponds to a locale-specific
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set of wide characters for which none of `iswalnum', `iswgraph', or
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`iswpunct' is true. */
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extern int iswspace (wint_t __wc) __THROW;
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/* Test for any wide character that corresponds to an uppercase letter
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or is one of a locale-specific set of wide character for which none
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of `iswcntrl', `iswdigit', `iswpunct', or `iswspace' is true. */
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extern int iswupper (wint_t __wc) __THROW;
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/* Test for any wide character that corresponds to a hexadecimal-digit
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character equivalent to that performed be the functions described
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in the previous subclause. */
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extern int iswxdigit (wint_t __wc) __THROW;
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/* Test for any wide character that corresponds to a standard blank
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wide character or a locale-specific set of wide characters for
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which `iswalnum' is false. */
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# ifdef __USE_ISOC99
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extern int iswblank (wint_t __wc) __THROW;
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# endif
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/*
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* Extensible wide-character classification functions: 7.15.2.2.
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*/
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/* Construct value that describes a class of wide characters identified
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by the string argument PROPERTY. */
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extern wctype_t wctype (__const char *__property) __THROW;
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/* Determine whether the wide-character WC has the property described by
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DESC. */
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extern int iswctype (wint_t __wc, wctype_t __desc) __THROW;
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#if __GNUC__ >= 2 && defined __OPTIMIZE__
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/* The tables are always organized in a way which allows direct access
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for single byte characters. */
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extern unsigned int *__ctype32_b;
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# define iswalnum(wc) \
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(__extension__ \
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(__builtin_constant_p (wc) && (wint_t) (wc) <= L'\xff' \
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? (int) (__ctype32_b[(wint_t) (wc)] & _ISwalnum) : iswalnum (wc)))
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# define iswalpha(wc) \
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(__extension__ \
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(__builtin_constant_p (wc) && (wint_t) (wc) <= L'\xff' \
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? (int) (__ctype32_b[(wint_t) (wc)] & _ISwalpha) : iswalpha (wc)))
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# define iswcntrl(wc) \
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(__extension__ \
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(__builtin_constant_p (wc) && (wint_t) (wc) <= L'\xff' \
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? (int) (__ctype32_b[(wint_t) (wc)] & _ISwcntrl) : iswcntrl (wc)))
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# define iswdigit(wc) \
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(__extension__ \
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(__builtin_constant_p (wc) && (wint_t) (wc) <= L'\xff' \
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? (int) (__ctype32_b[(wint_t) (wc)] & _ISwdigit) : iswdigit (wc)))
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# define iswlower(wc) \
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(__extension__ \
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(__builtin_constant_p (wc) && (wint_t) (wc) <= L'\xff' \
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? (int) (__ctype32_b[(wint_t) (wc)] & _ISwlower) : iswlower (wc)))
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# define iswgraph(wc) \
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(__extension__ \
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(__builtin_constant_p (wc) && (wint_t) (wc) <= L'\xff' \
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? (int) (__ctype32_b[(wint_t) (wc)] & _ISwgraph) : iswgraph (wc)))
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# define iswprint(wc) \
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(__extension__ \
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(__builtin_constant_p (wc) && (wint_t) (wc) <= L'\xff' \
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? (int) (__ctype32_b[(wint_t) (wc)] & _ISwprint) : iswprint (wc)))
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# define iswpunct(wc) \
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(__extension__ \
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(__builtin_constant_p (wc) && (wint_t) (wc) <= L'\xff' \
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? (int) (__ctype32_b[(wint_t) (wc)] & _ISwpunct) : iswpunct (wc)))
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# define iswspace(wc) \
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(__extension__ \
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(__builtin_constant_p (wc) && (wint_t) (wc) <= L'\xff' \
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? (int) (__ctype32_b[(wint_t) (wc)] & _ISwspace) : iswspace (wc)))
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# define iswupper(wc) \
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(__extension__ \
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(__builtin_constant_p (wc) && (wint_t) (wc) <= L'\xff' \
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? (int) (__ctype32_b[(wint_t) (wc)] & _ISwupper) : iswupper (wc)))
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# define iswxdigit(wc) \
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(__extension__ \
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(__builtin_constant_p (wc) && (wint_t) (wc) <= L'\xff' \
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? (int) (__ctype32_b[(wint_t) (wc)] & _ISwxdigit) : iswxdigit (wc)))
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# ifdef __USE_ISOC99
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# define iswblank(wc) \
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(__extension__ \
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(__builtin_constant_p (wc) && (wint_t) (wc) <= L'\xff' \
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? (int) (__ctype32_b[(wint_t) (wc)] & _ISwblank) : iswblank (wc)))
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# endif
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#endif /* gcc && optimizing */
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/*
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* Wide-character case-mapping functions: 7.15.3.1.
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*/
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/* Scalar type that can hold values which represent locale-specific
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character mappings. */
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typedef __const __int32_t *wctrans_t;
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/* Converts an uppercase letter to the corresponding lowercase letter. */
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extern wint_t towlower (wint_t __wc) __THROW;
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/* Converts an lowercase letter to the corresponding uppercase letter. */
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extern wint_t towupper (wint_t __wc) __THROW;
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#if __GNUC__ >= 2 && defined __OPTIMIZE__
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/* The tables are always organized in a way which allows direct access
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for single byte characters. */
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extern const wint_t *__ctype32_tolower;
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extern const wint_t *__ctype32_toupper;
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# define towlower(wc) \
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(__extension__ \
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(__builtin_constant_p (wc) && (wint_t) (wc) <= L'\xff' \
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? (wint_t) __ctype32_tolower[(wint_t) (wc)] : towlower (wc)))
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# define towupper(wc) \
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(__extension__ \
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(__builtin_constant_p (wc) && (wint_t) (wc) <= L'\xff' \
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? (wint_t) __ctype32_toupper[(wint_t) (wc)] : towupper (wc)))
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#endif /* gcc && optimizing */
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__END_DECLS
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#endif /* need iswxxx. */
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/* The remaining definitions and declarations must not appear in the
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<wcsmbs.h> header. */
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#ifdef _WCTYPE_H
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/*
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* Extensible wide-character mapping functions: 7.15.3.2.
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*/
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__BEGIN_DECLS
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/* Construct value that describes a mapping between wide characters
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identified by the string argument PROPERTY. */
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extern wctrans_t wctrans (__const char *__property) __THROW;
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/* Map the wide character WC using the mapping described by DESC. */
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extern wint_t towctrans (wint_t __wc, wctrans_t __desc) __THROW;
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# ifdef __USE_GNU
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/* Declare the interface to extended locale model. */
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# include <xlocale.h>
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/* Test for any wide character for which `iswalpha' or `iswdigit' is
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true. */
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extern int __iswalnum_l (wint_t __wc, __locale_t __locale) __THROW;
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/* Test for any wide character for which `iswupper' or 'iswlower' is
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true, or any wide character that is one of a locale-specific set of
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wide-characters for which none of `iswcntrl', `iswdigit',
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`iswpunct', or `iswspace' is true. */
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extern int __iswalpha_l (wint_t __wc, __locale_t __locale) __THROW;
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/* Test for any control wide character. */
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extern int __iswcntrl_l (wint_t __wc, __locale_t __locale) __THROW;
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/* Test for any wide character that corresponds to a decimal-digit
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character. */
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extern int __iswdigit_l (wint_t __wc, __locale_t __locale) __THROW;
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/* Test for any wide character for which `iswprint' is true and
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`iswspace' is false. */
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extern int __iswgraph_l (wint_t __wc, __locale_t __locale) __THROW;
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/* Test for any wide character that corresponds to a lowercase letter
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or is one of a locale-specific set of wide characters for which
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none of `iswcntrl', `iswdigit', `iswpunct', or `iswspace' is true. */
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extern int __iswlower_l (wint_t __wc, __locale_t __locale) __THROW;
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/* Test for any printing wide character. */
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extern int __iswprint_l (wint_t __wc, __locale_t __locale) __THROW;
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/* Test for any printing wide character that is one of a
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locale-specific et of wide characters for which neither `iswspace'
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nor `iswalnum' is true. */
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extern int __iswpunct_l (wint_t __wc, __locale_t __locale) __THROW;
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/* Test for any wide character that corresponds to a locale-specific
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set of wide characters for which none of `iswalnum', `iswgraph', or
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`iswpunct' is true. */
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extern int __iswspace_l (wint_t __wc, __locale_t __locale) __THROW;
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/* Test for any wide character that corresponds to an uppercase letter
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or is one of a locale-specific set of wide character for which none
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of `iswcntrl', `iswdigit', `iswpunct', or `iswspace' is true. */
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extern int __iswupper_l (wint_t __wc, __locale_t __locale) __THROW;
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/* Test for any wide character that corresponds to a hexadecimal-digit
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character equivalent to that performed be the functions described
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in the previous subclause. */
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extern int __iswxdigit_l (wint_t __wc, __locale_t __locale) __THROW;
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/* Test for any wide character that corresponds to a standard blank
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wide character or a locale-specific set of wide characters for
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which `iswalnum' is false. */
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extern int __iswblank_l (wint_t __wc, __locale_t __locale) __THROW;
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/* Construct value that describes a class of wide characters identified
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by the string argument PROPERTY. */
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extern wctype_t __wctype_l (__const char *__property, __locale_t __locale)
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__THROW;
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/* Determine whether the wide-character WC has the property described by
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DESC. */
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extern int __iswctype_l (wint_t __wc, wctype_t __desc, __locale_t __locale)
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__THROW;
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/*
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* Wide-character case-mapping functions.
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*/
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/* Converts an uppercase letter to the corresponding lowercase letter. */
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extern wint_t __towlower_l (wint_t __wc, __locale_t __locale) __THROW;
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/* Converts an lowercase letter to the corresponding uppercase letter. */
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extern wint_t __towupper_l (wint_t __wc, __locale_t __locale) __THROW;
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/* Construct value that describes a mapping between wide characters
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identified by the string argument PROPERTY. */
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extern wctrans_t __wctrans_l (__const char *__property, __locale_t __locale)
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__THROW;
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/* Map the wide character WC using the mapping described by DESC. */
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extern wint_t __towctrans_l (wint_t __wc, wctrans_t __desc,
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__locale_t __locale) __THROW;
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# endif /* Use GNU. */
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__END_DECLS
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#endif /* __WCTYPE_H defined. */
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#endif /* wctype.h */
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