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001: /* Copyright (C) 1996-2002,2005,2007-2009,2010 Free Software Foundation, Inc.
002:    This file is part of the GNU C Library.
003: 
004:    The GNU C Library is free software; you can redistribute it and/or
005:    modify it under the terms of the GNU Lesser General Public
006:    License as published by the Free Software Foundation; either
007:    version 2.1 of the License, or (at your option) any later version.
008: 
009:    The GNU C Library is distributed in the hope that it will be useful,
010:    but WITHOUT ANY WARRANTY; without even the implied warranty of
011:    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
012:    Lesser General Public License for more details.
013: 
014:    You should have received a copy of the GNU Lesser General Public
015:    License along with the GNU C Library; if not, write to the Free
016:    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
017:    02111-1307 USA.  */
018: 
019: /*
020:  *      ISO C99 Standard: 7.25
021:  *      Wide character classification and mapping utilities  <wctype.h>
022:  */
023: 
024: #ifndef _WCTYPE_H
025: 
026: #include <features.h>
027: #include <bits/types.h>
028: 
029: #ifndef __need_iswxxx
030: # define _WCTYPE_H      1
031: 
032: /* Get wint_t from <wchar.h>.  */
033: # define __need_wint_t
034: # include <wchar.h>
035: 
036: /* Constant expression of type `wint_t' whose value does not correspond
037:    to any member of the extended character set.  */
038: # ifndef WEOF
039: #  define WEOF (0xffffffffu)
040: # endif
041: #endif
042: #undef __need_iswxxx
043: 
044: 
045: /* The following part is also used in the <wcsmbs.h> header when compiled
046:    in the Unix98 compatibility mode.  */
047: #ifndef __iswxxx_defined
048: # define __iswxxx_defined       1
049: 
050: __BEGIN_NAMESPACE_C99
051: /* Scalar type that can hold values which represent locale-specific
052:    character classifications.  */
053: typedef unsigned long int wctype_t;
054: __END_NAMESPACE_C99
055: 
056: # ifndef _ISwbit
057: /* The characteristics are stored always in network byte order (big
058:    endian).  We define the bit value interpretations here dependent on the
059:    machine's byte order.  */
060: 
061: #  include <endian.h>
062: #  if __BYTE_ORDER == __BIG_ENDIAN
063: #   define _ISwbit(bit) (1 << (bit))
064: #  else /* __BYTE_ORDER == __LITTLE_ENDIAN */
065: #   define _ISwbit(bit) \
066:         ((bit) < 8 ? (int) ((1UL << (bit)) << 24)                             \
067:          : ((bit) < 16 ? (int) ((1UL << (bit)) << 8)                          \
068:             : ((bit) < 24 ? (int) ((1UL << (bit)) >> 8)                       \
069:                : (int) ((1UL << (bit)) >> 24))))
070: #  endif
071: 
072: enum
073: {
074:   __ISwupper = 0,                       /* UPPERCASE.  */
075:   __ISwlower = 1,                       /* lowercase.  */
076:   __ISwalpha = 2,                       /* Alphabetic.  */
077:   __ISwdigit = 3,                       /* Numeric.  */
078:   __ISwxdigit = 4,                      /* Hexadecimal numeric.  */
079:   __ISwspace = 5,                       /* Whitespace.  */
080:   __ISwprint = 6,                       /* Printing.  */
081:   __ISwgraph = 7,                       /* Graphical.  */
082:   __ISwblank = 8,                       /* Blank (usually SPC and TAB).  */
083:   __ISwcntrl = 9,                       /* Control character.  */
084:   __ISwpunct = 10,                      /* Punctuation.  */
085:   __ISwalnum = 11,                      /* Alphanumeric.  */
086: 
087:   _ISwupper = _ISwbit (__ISwupper),     /* UPPERCASE.  */
088:   _ISwlower = _ISwbit (__ISwlower),     /* lowercase.  */
089:   _ISwalpha = _ISwbit (__ISwalpha),     /* Alphabetic.  */
090:   _ISwdigit = _ISwbit (__ISwdigit),     /* Numeric.  */
091:   _ISwxdigit = _ISwbit (__ISwxdigit),   /* Hexadecimal numeric.  */
092:   _ISwspace = _ISwbit (__ISwspace),     /* Whitespace.  */
093:   _ISwprint = _ISwbit (__ISwprint),     /* Printing.  */
094:   _ISwgraph = _ISwbit (__ISwgraph),     /* Graphical.  */
095:   _ISwblank = _ISwbit (__ISwblank),     /* Blank (usually SPC and TAB).  */
096:   _ISwcntrl = _ISwbit (__ISwcntrl),     /* Control character.  */
097:   _ISwpunct = _ISwbit (__ISwpunct),     /* Punctuation.  */
098:   _ISwalnum = _ISwbit (__ISwalnum)      /* Alphanumeric.  */
099: };
100: # endif /* Not _ISwbit  */
101: 
102: 
103: __BEGIN_DECLS
104: 
105: __BEGIN_NAMESPACE_C99
106: /*
107:  * Wide-character classification functions: 7.15.2.1.
108:  */
109: 
110: /* Test for any wide character for which `iswalpha' or `iswdigit' is
111:    true.  */
112: extern int iswalnum (wint_t __wc) __THROW;
113: 
114: /* Test for any wide character for which `iswupper' or 'iswlower' is
115:    true, or any wide character that is one of a locale-specific set of
116:    wide-characters for which none of `iswcntrl', `iswdigit',
117:    `iswpunct', or `iswspace' is true.  */
118: extern int iswalpha (wint_t __wc) __THROW;
119: 
120: /* Test for any control wide character.  */
121: extern int iswcntrl (wint_t __wc) __THROW;
122: 
123: /* Test for any wide character that corresponds to a decimal-digit
124:    character.  */
125: extern int iswdigit (wint_t __wc) __THROW;
126: 
127: /* Test for any wide character for which `iswprint' is true and
128:    `iswspace' is false.  */
129: extern int iswgraph (wint_t __wc) __THROW;
130: 
131: /* Test for any wide character that corresponds to a lowercase letter
132:    or is one of a locale-specific set of wide characters for which
133:    none of `iswcntrl', `iswdigit', `iswpunct', or `iswspace' is true.  */
134: extern int iswlower (wint_t __wc) __THROW;
135: 
136: /* Test for any printing wide character.  */
137: extern int iswprint (wint_t __wc) __THROW;
138: 
139: /* Test for any printing wide character that is one of a
140:    locale-specific et of wide characters for which neither `iswspace'
141:    nor `iswalnum' is true.  */
142: extern int iswpunct (wint_t __wc) __THROW;
143: 
144: /* Test for any wide character that corresponds to a locale-specific
145:    set of wide characters for which none of `iswalnum', `iswgraph', or
146:    `iswpunct' is true.  */
147: extern int iswspace (wint_t __wc) __THROW;
148: 
149: /* Test for any wide character that corresponds to an uppercase letter
150:    or is one of a locale-specific set of wide character for which none
151:    of `iswcntrl', `iswdigit', `iswpunct', or `iswspace' is true.  */
152: extern int iswupper (wint_t __wc) __THROW;
153: 
154: /* Test for any wide character that corresponds to a hexadecimal-digit
155:    character equivalent to that performed be the functions described
156:    in the previous subclause.  */
157: extern int iswxdigit (wint_t __wc) __THROW;
158: 
159: /* Test for any wide character that corresponds to a standard blank
160:    wide character or a locale-specific set of wide characters for
161:    which `iswalnum' is false.  */
162: # ifdef __USE_ISOC99
163: extern int iswblank (wint_t __wc) __THROW;
164: # endif
165: 
166: /*
167:  * Extensible wide-character classification functions: 7.15.2.2.
168:  */
169: 
170: /* Construct value that describes a class of wide characters identified
171:    by the string argument PROPERTY.  */
172: extern wctype_t wctype (__const char *__property) __THROW;
173: 
174: /* Determine whether the wide-character WC has the property described by
175:    DESC.  */
176: extern int iswctype (wint_t __wc, wctype_t __desc) __THROW;
177: __END_NAMESPACE_C99
178: 
179: 
180: /*
181:  * Wide-character case-mapping functions: 7.15.3.1.
182:  */
183: 
184: __BEGIN_NAMESPACE_C99
185: /* Scalar type that can hold values which represent locale-specific
186:    character mappings.  */
187: typedef __const __int32_t *wctrans_t;
188: __END_NAMESPACE_C99
189: #ifdef __USE_GNU
190: __USING_NAMESPACE_C99(wctrans_t)
191: #endif
192: 
193: __BEGIN_NAMESPACE_C99
194: /* Converts an uppercase letter to the corresponding lowercase letter.  */
195: extern wint_t towlower (wint_t __wc) __THROW;
196: 
197: /* Converts an lowercase letter to the corresponding uppercase letter.  */
198: extern wint_t towupper (wint_t __wc) __THROW;
199: __END_NAMESPACE_C99
200: 
201: __END_DECLS
202: 
203: #endif  /* need iswxxx.  */
204: 
205: 
206: /* The remaining definitions and declarations must not appear in the
207:    <wchar.h> header.  */
208: #ifdef _WCTYPE_H
209: 
210: /*
211:  * Extensible wide-character mapping functions: 7.15.3.2.
212:  */
213: 
214: __BEGIN_DECLS
215: 
216: __BEGIN_NAMESPACE_C99
217: /* Construct value that describes a mapping between wide characters
218:    identified by the string argument PROPERTY.  */
219: extern wctrans_t wctrans (__const char *__property) __THROW;
220: 
221: /* Map the wide character WC using the mapping described by DESC.  */
222: extern wint_t towctrans (wint_t __wc, wctrans_t __desc) __THROW;
223: __END_NAMESPACE_C99
224: 
225: # ifdef __USE_XOPEN2K8
226: /* Declare the interface to extended locale model.  */
227: #  include <xlocale.h>
228: 
229: /* Test for any wide character for which `iswalpha' or `iswdigit' is
230:    true.  */
231: extern int iswalnum_l (wint_t __wc, __locale_t __locale) __THROW;
232: 
233: /* Test for any wide character for which `iswupper' or 'iswlower' is
234:    true, or any wide character that is one of a locale-specific set of
235:    wide-characters for which none of `iswcntrl', `iswdigit',
236:    `iswpunct', or `iswspace' is true.  */
237: extern int iswalpha_l (wint_t __wc, __locale_t __locale) __THROW;
238: 
239: /* Test for any control wide character.  */
240: extern int iswcntrl_l (wint_t __wc, __locale_t __locale) __THROW;
241: 
242: /* Test for any wide character that corresponds to a decimal-digit
243:    character.  */
244: extern int iswdigit_l (wint_t __wc, __locale_t __locale) __THROW;
245: 
246: /* Test for any wide character for which `iswprint' is true and
247:    `iswspace' is false.  */
248: extern int iswgraph_l (wint_t __wc, __locale_t __locale) __THROW;
249: 
250: /* Test for any wide character that corresponds to a lowercase letter
251:    or is one of a locale-specific set of wide characters for which
252:    none of `iswcntrl', `iswdigit', `iswpunct', or `iswspace' is true.  */
253: extern int iswlower_l (wint_t __wc, __locale_t __locale) __THROW;
254: 
255: /* Test for any printing wide character.  */
256: extern int iswprint_l (wint_t __wc, __locale_t __locale) __THROW;
257: 
258: /* Test for any printing wide character that is one of a
259:    locale-specific et of wide characters for which neither `iswspace'
260:    nor `iswalnum' is true.  */
261: extern int iswpunct_l (wint_t __wc, __locale_t __locale) __THROW;
262: 
263: /* Test for any wide character that corresponds to a locale-specific
264:    set of wide characters for which none of `iswalnum', `iswgraph', or
265:    `iswpunct' is true.  */
266: extern int iswspace_l (wint_t __wc, __locale_t __locale) __THROW;
267: 
268: /* Test for any wide character that corresponds to an uppercase letter
269:    or is one of a locale-specific set of wide character for which none
270:    of `iswcntrl', `iswdigit', `iswpunct', or `iswspace' is true.  */
271: extern int iswupper_l (wint_t __wc, __locale_t __locale) __THROW;
272: 
273: /* Test for any wide character that corresponds to a hexadecimal-digit
274:    character equivalent to that performed be the functions described
275:    in the previous subclause.  */
276: extern int iswxdigit_l (wint_t __wc, __locale_t __locale) __THROW;
277: 
278: /* Test for any wide character that corresponds to a standard blank
279:    wide character or a locale-specific set of wide characters for
280:    which `iswalnum' is false.  */
281: extern int iswblank_l (wint_t __wc, __locale_t __locale) __THROW;
282: 
283: /* Construct value that describes a class of wide characters identified
284:    by the string argument PROPERTY.  */
285: extern wctype_t wctype_l (__const char *__property, __locale_t __locale)
286:      __THROW;
287: 
288: /* Determine whether the wide-character WC has the property described by
289:    DESC.  */
290: extern int iswctype_l (wint_t __wc, wctype_t __desc, __locale_t __locale)
291:      __THROW;
292: 
293: 
294: /*
295:  * Wide-character case-mapping functions.
296:  */
297: 
298: /* Converts an uppercase letter to the corresponding lowercase letter.  */
299: extern wint_t towlower_l (wint_t __wc, __locale_t __locale) __THROW;
300: 
301: /* Converts an lowercase letter to the corresponding uppercase letter.  */
302: extern wint_t towupper_l (wint_t __wc, __locale_t __locale) __THROW;
303: 
304: /* Construct value that describes a mapping between wide characters
305:    identified by the string argument PROPERTY.  */
306: extern wctrans_t wctrans_l (__const char *__property, __locale_t __locale)
307:      __THROW;
308: 
309: /* Map the wide character WC using the mapping described by DESC.  */
310: extern wint_t towctrans_l (wint_t __wc, wctrans_t __desc,
311:                            __locale_t __locale) __THROW;
312: 
313: # endif /* Use POSIX 2008.  */
314: 
315: __END_DECLS
316: 
317: #endif  /* __WCTYPE_H defined.  */
318: 
319: #endif /* wctype.h  */
320: 

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