1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/build/stlport/src/c_locale.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,450 @@
1.4 +/*
1.5 + * Copyright (c) 1999
1.6 + * Silicon Graphics Computer Systems, Inc.
1.7 + *
1.8 + * Copyright (c) 1999
1.9 + * Boris Fomitchev
1.10 + *
1.11 + * This material is provided "as is", with absolutely no warranty expressed
1.12 + * or implied. Any use is at your own risk.
1.13 + *
1.14 + * Permission to use or copy this software for any purpose is hereby granted
1.15 + * without fee, provided the above notices are retained on all copies.
1.16 + * Permission to modify the code and to distribute modified code is granted,
1.17 + * provided the above notices are retained, and a notice that the code was
1.18 + * modified is included with the above copyright notice.
1.19 + *
1.20 + */
1.21 +
1.22 +/*
1.23 + * It is impossible to write the C++ locale library in terms of locales
1.24 + * as defined in the C standard. Instead, we write the C++ locale and I/O
1.25 + * library in terms of a low level C-like interface. This file defines
1.26 + * that interface.
1.27 + *
1.28 + * The low-level locale interface can't be written portably; there
1.29 + * must be a version of it for each platform that the C++ library
1.30 + * is ported to. On many systems this interface may be a thin wrapper
1.31 + * for existing functionality.
1.32 + */
1.33 +
1.34 +#ifndef _STLP_C_LOCALE_IMPL_H
1.35 +#define _STLP_C_LOCALE_IMPL_H
1.36 +
1.37 +#include "stlport_prefix.h"
1.38 +
1.39 +#include <wchar.h> /* for mbstate_t */
1.40 +#include <stl/c_locale.h>
1.41 +
1.42 +struct _Locale_name_hint;
1.43 +
1.44 +#if defined (_GNU_SOURCE) && defined (__GLIBC__) && \
1.45 + ((__GLIBC__ > 2) || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 2))
1.46 +# define _STLP_USE_GLIBC2_LOCALIZATION
1.47 +# include <nl_types.h>
1.48 +typedef nl_catd nl_catd_type;
1.49 +#else
1.50 +typedef int nl_catd_type;
1.51 +#endif
1.52 +
1.53 +/*
1.54 + * A number: the maximum length of a simple locale name.
1.55 + * (i.e. a name like like en_US, as opposed to a name like
1.56 + * en_US/de_AT/de_AT/es_MX/en_US/en_US) */
1.57 +#define _Locale_MAX_SIMPLE_NAME 256
1.58 +
1.59 +#ifdef __cplusplus
1.60 +extern "C" {
1.61 +#endif
1.62 +
1.63 +/*
1.64 + * Typedefs:
1.65 + */
1.66 +typedef unsigned short int _Locale_mask_t;
1.67 +
1.68 +/* Function called during STLport library load phase. Might contain any
1.69 + * code necessary to the platform localization layer.
1.70 + */
1.71 +void _Locale_init(void);
1.72 +
1.73 +/* Function called during STLport library unload. Might contain any
1.74 + * code necessary to the platform localization layer.
1.75 + */
1.76 +void _Locale_final(void);
1.77 +
1.78 +/* Create a category of the locale with the given name.
1.79 + *
1.80 + * The char* argument is a simple (not a composite) locale name, which may
1.81 + * neither be an empty string nor a null pointer.
1.82 + *
1.83 + * These functions return NULL to indicate failure. Failure reason should be reported
1.84 + * using the __err_code pointer.
1.85 + */
1.86 +struct _Locale_ctype* _Locale_ctype_create(const char *, struct _Locale_name_hint*, int * /* __err_code */);
1.87 +struct _Locale_codecvt* _Locale_codecvt_create(const char *, struct _Locale_name_hint*, int * /* __err_code */);
1.88 +struct _Locale_numeric* _Locale_numeric_create(const char *, struct _Locale_name_hint*, int * /* __err_code */);
1.89 +struct _Locale_time* _Locale_time_create(const char *, struct _Locale_name_hint*, int * /* __err_code */);
1.90 +struct _Locale_collate* _Locale_collate_create(const char *, struct _Locale_name_hint*, int * /* __err_code */);
1.91 +struct _Locale_monetary* _Locale_monetary_create(const char *, struct _Locale_name_hint*, int * /* __err_code */);
1.92 +struct _Locale_messages* _Locale_messages_create(const char *, struct _Locale_name_hint*, int * /* __err_code */);
1.93 +
1.94 +/* Give error reason on failure of one of the _Locale_*_create functions. Available
1.95 + * reasons are:
1.96 + * 0: No specific error reason has been reported.
1.97 + * 1: No platform support for the given facet.
1.98 + * 2: Unknown locale name
1.99 + * 3: No platform API for localization support.
1.100 + * 4: No more memory
1.101 + */
1.102 +#define _STLP_LOC_UNDEFINED 0
1.103 +#define _STLP_LOC_UNSUPPORTED_FACET_CATEGORY 1
1.104 +#define _STLP_LOC_UNKNOWN_NAME 2
1.105 +#define _STLP_LOC_NO_PLATFORM_SUPPORT 3
1.106 +#define _STLP_LOC_NO_MEMORY 4
1.107 +
1.108 +/* Release a category of a locale
1.109 + *
1.110 + * These functions are used to release a category acquired with the
1.111 + * according _Locale_*_create() functions.
1.112 + */
1.113 +void _Locale_ctype_destroy(struct _Locale_ctype *);
1.114 +void _Locale_codecvt_destroy(struct _Locale_codecvt *);
1.115 +void _Locale_numeric_destroy(struct _Locale_numeric *);
1.116 +void _Locale_time_destroy(struct _Locale_time *);
1.117 +void _Locale_collate_destroy(struct _Locale_collate *);
1.118 +void _Locale_monetary_destroy(struct _Locale_monetary *);
1.119 +void _Locale_messages_destroy(struct _Locale_messages *);
1.120 +
1.121 +/*
1.122 + * Returns the name of the user's default locale in each
1.123 + * category, as a null-terminated string. A NULL value
1.124 + * means the default "C" locale.
1.125 + */
1.126 +const char * _Locale_ctype_default(char * __buf);
1.127 +const char * _Locale_numeric_default(char * __buf);
1.128 +const char * _Locale_time_default(char * __buf);
1.129 +const char * _Locale_collate_default(char * __buf);
1.130 +const char * _Locale_monetary_default(char * __buf);
1.131 +const char * _Locale_messages_default(char * __buf);
1.132 +
1.133 +/* Retrieve the name of the given category
1.134 + *
1.135 + * __buf points to a buffer that can hold at least _Locale_MAX_SIMPLE_NAME
1.136 + * characters. These functions store the name, as a null-terminated
1.137 + * string, in __buf. This function can't fail, at worst name is truncated.
1.138 + */
1.139 +char const* _Locale_ctype_name(const struct _Locale_ctype *, char* __buf);
1.140 +char const* _Locale_codecvt_name(const struct _Locale_codecvt *, char* __buf);
1.141 +char const* _Locale_numeric_name(const struct _Locale_numeric *, char* __buf);
1.142 +char const* _Locale_time_name(const struct _Locale_time *, char* __buf);
1.143 +char const* _Locale_collate_name(const struct _Locale_collate *, char* __buf);
1.144 +char const* _Locale_monetary_name(const struct _Locale_monetary *, char* __buf);
1.145 +char const* _Locale_messages_name(const struct _Locale_messages *, char* __buf);
1.146 +
1.147 +/*
1.148 + * cname is a (possibly composite) locale name---i.e. a name that can
1.149 + * be passed to setlocale. __buf points to an array large enough to
1.150 + * store at least _Locale_MAX_SIMPLE_NAME characters, and each of these
1.151 + * functions extracts the name of a single category, stores it in buf
1.152 + * as a null-terminated string, and returns buf.
1.153 + */
1.154 +char const* _Locale_extract_ctype_name(const char *cname, char *__buf,
1.155 + struct _Locale_name_hint* __hint, int *__err_code);
1.156 +char const* _Locale_extract_numeric_name(const char *cname, char *__buf,
1.157 + struct _Locale_name_hint* __hint, int *__err_code);
1.158 +char const* _Locale_extract_time_name(const char *cname, char *__buf,
1.159 + struct _Locale_name_hint* __hint, int *__err_code);
1.160 +char const* _Locale_extract_collate_name(const char *cname, char *__buf,
1.161 + struct _Locale_name_hint* __hint, int *__err_code);
1.162 +char const* _Locale_extract_monetary_name(const char *cname, char *__buf,
1.163 + struct _Locale_name_hint* __hint, int *__err_code);
1.164 +char const* _Locale_extract_messages_name(const char *cname, char *__buf,
1.165 + struct _Locale_name_hint* __hint, int *__err_code);
1.166 +
1.167 +/* Functions to improve locale creation process. For some locale API (Win32)
1.168 + * you need to find a locale identification from the name which can be a
1.169 + * rather expensive operation especially if you do so for all facets of a
1.170 + * locale. Those functions can be used to extract from a API dependent facet
1.171 + * struct the information necessary to skip this lookup process for other
1.172 + * facets creation. If not supported those function should return NULL.
1.173 + */
1.174 +struct _Locale_name_hint* _Locale_get_ctype_hint(struct _Locale_ctype*);
1.175 +struct _Locale_name_hint* _Locale_get_numeric_hint(struct _Locale_numeric*);
1.176 +struct _Locale_name_hint* _Locale_get_time_hint(struct _Locale_time*);
1.177 +struct _Locale_name_hint* _Locale_get_collate_hint(struct _Locale_collate*);
1.178 +struct _Locale_name_hint* _Locale_get_monetary_hint(struct _Locale_monetary*);
1.179 +struct _Locale_name_hint* _Locale_get_messages_hint(struct _Locale_messages*);
1.180 +
1.181 +/*
1.182 + * FUNCTIONS THAT USE CTYPE
1.183 + */
1.184 +
1.185 +/*
1.186 + * Narrow character functions:
1.187 + */
1.188 +
1.189 +/*
1.190 + * Returns a pointer to the beginning of the ctype table. The table is
1.191 + * at least 257 bytes long; if p is the pointer returned by this
1.192 + * function, then p[c] is valid if c is EOF or if p is any value of
1.193 + * type unsigned char.
1.194 + */
1.195 +const _Locale_mask_t * _Locale_ctype_table(struct _Locale_ctype *);
1.196 +
1.197 +/*
1.198 + * c is either EOF, or an unsigned char value.
1.199 + */
1.200 +int _Locale_toupper(struct _Locale_ctype *, int /* c */);
1.201 +int _Locale_tolower(struct _Locale_ctype *, int /* c */);
1.202 +
1.203 +
1.204 +#ifndef _STLP_NO_WCHAR_T
1.205 +/*
1.206 + * Wide character functions:
1.207 + */
1.208 +_Locale_mask_t _WLocale_ctype(struct _Locale_ctype *, wint_t, _Locale_mask_t);
1.209 +wint_t _WLocale_tolower(struct _Locale_ctype *, wint_t);
1.210 +wint_t _WLocale_toupper(struct _Locale_ctype *, wint_t);
1.211 +
1.212 +/*
1.213 + * Multibyte functions:
1.214 + */
1.215 +
1.216 +/*
1.217 + * Returns the number of bytes of the longest allowed multibyte
1.218 + * character in the current encoding.
1.219 + */
1.220 +int _WLocale_mb_cur_max(struct _Locale_codecvt *);
1.221 +
1.222 +/*
1.223 + * Returns the number of bytes of the shortest allowed multibyte
1.224 + * character in the current encoding.
1.225 + */
1.226 +int _WLocale_mb_cur_min(struct _Locale_codecvt *);
1.227 +
1.228 +/*
1.229 + * Returns 1 if the current multibyte encoding is stateless
1.230 + * and does not require the use of an mbstate_t value.
1.231 + */
1.232 +int _WLocale_is_stateless(struct _Locale_codecvt *);
1.233 +
1.234 +/*
1.235 + * Almost identical to mbrtowc, from 4.6.5.3.2 of NA1. The only
1.236 + * important difference is that mbrtowc treats null wide characters
1.237 + * as special, and we don't. Specifically: examines the characters
1.238 + * in [from, from + n), extracts a single wide character, and stores
1.239 + * it in *to. Modifies shift_state if appropriate. The return value,
1.240 + * which is always positive, is the number of characters extracted from
1.241 + * the input sequence. Return value is (size_t) -1 if there was an
1.242 + * encoding error in the input sequence, and (size_t) -2 if
1.243 + * [from, from + n) is correct but not complete. None of the pointer
1.244 + * arguments may be null pointers.
1.245 + */
1.246 +size_t _WLocale_mbtowc(struct _Locale_codecvt *,
1.247 + wchar_t * /* to */,
1.248 + const char * /* from */, size_t /* n */,
1.249 + mbstate_t *);
1.250 +
1.251 +/*
1.252 + * Again, very similar to wcrtomb. The differences are that (1) it
1.253 + * doesn't treat null characters as special; and (2) it stores at most
1.254 + * n characters. Converts c to a multibyte sequence, stores that
1.255 + * sequence in the array 'to', and returns the length of the sequence.
1.256 + * Modifies shift_state if appropriate. The return value is (size_t) -1
1.257 + * if c is not a valid wide character, and (size_t) -2 if the length of
1.258 + * the multibyte character sequence is greater than n.
1.259 + */
1.260 +size_t _WLocale_wctomb(struct _Locale_codecvt *,
1.261 + char *, size_t,
1.262 + const wchar_t,
1.263 + mbstate_t *);
1.264 +
1.265 +/*
1.266 + * Inserts whatever characters are necessary to restore st to an
1.267 + * initial shift state. Sets *next to buf + m, where m is the number
1.268 + * of characters inserted. (0 <= m <= n.) Returns m to indicate
1.269 + * success, (size_t) -1 to indicate error, (size_t) -2 to indicate
1.270 + * partial success (more than n characters needed). For success or partial
1.271 + * success, sets *next to buf + m.
1.272 + */
1.273 +size_t _WLocale_unshift(struct _Locale_codecvt *,
1.274 + mbstate_t *,
1.275 + char *, size_t, char **);
1.276 +#endif
1.277 +
1.278 +/*
1.279 + * FUNCTIONS THAT USE COLLATE
1.280 + */
1.281 +
1.282 +/*
1.283 + * Compares the two sequences [s1, s1 + n1) and [s2, s2 + n2). Neither
1.284 + * sequence is assumed to be null-terminated, and null characters
1.285 + * aren't special. If the two sequences are the same up through
1.286 + * min(n1, n2), then the sequence that compares less is whichever one
1.287 + * is shorter.
1.288 + */
1.289 +int _Locale_strcmp(struct _Locale_collate *,
1.290 + const char * /* s1 */, size_t /* n1 */,
1.291 + const char * /* s2 */, size_t /* n2 */);
1.292 +#ifndef _STLP_NO_WCHAR_T
1.293 +int _WLocale_strcmp(struct _Locale_collate *,
1.294 + const wchar_t * /* s1 */, size_t /* n1 */,
1.295 + const wchar_t * /* s2 */, size_t /* n2 */);
1.296 +#endif
1.297 +
1.298 +/*
1.299 + * Creates a transformed version of the string [s2, s2 + n2). The
1.300 + * string may contain embedded null characters; nulls aren't special.
1.301 + * The transformed string begins at s1, and contains at most n1
1.302 + * characters. The return value is the length of the transformed
1.303 + * string. If the return value is greater than n1 then this is an
1.304 + * error condition: it indicates that there wasn't enough space. In
1.305 + * that case, the contents of [s1, s1 + n1) is unspecified.
1.306 +*/
1.307 +size_t _Locale_strxfrm(struct _Locale_collate *,
1.308 + char * /* s1 */, size_t /* n1 */,
1.309 + const char * /* s2 */, size_t /* n2 */);
1.310 +
1.311 +#ifndef _STLP_NO_WCHAR_T
1.312 +size_t _WLocale_strxfrm(struct _Locale_collate *,
1.313 + wchar_t * /* s1 */, size_t /* n1 */,
1.314 + const wchar_t * /* s2 */, size_t /* n2 */);
1.315 +#endif
1.316 +
1.317 +
1.318 +/*
1.319 + * FUNCTIONS THAT USE NUMERIC
1.320 + */
1.321 +
1.322 +/*
1.323 + * Equivalent to the first three fields in struct lconv. (C standard,
1.324 + * section 7.4.)
1.325 + */
1.326 +char _Locale_decimal_point(struct _Locale_numeric *);
1.327 +char _Locale_thousands_sep(struct _Locale_numeric *);
1.328 +const char * _Locale_grouping(struct _Locale_numeric *);
1.329 +
1.330 +#ifndef _STLP_NO_WCHAR_T
1.331 +wchar_t _WLocale_decimal_point(struct _Locale_numeric *);
1.332 +wchar_t _WLocale_thousands_sep(struct _Locale_numeric *);
1.333 +#endif
1.334 +
1.335 +/*
1.336 + * Return "true" and "false" in English locales, and something
1.337 + * appropriate in non-English locales.
1.338 + */
1.339 +const char * _Locale_true(struct _Locale_numeric *);
1.340 +const char * _Locale_false(struct _Locale_numeric *);
1.341 +
1.342 +#ifndef _STLP_NO_WCHAR_T
1.343 +const wchar_t * _WLocale_true(struct _Locale_numeric *, wchar_t* /* buf */, size_t /* bufSize */);
1.344 +const wchar_t * _WLocale_false(struct _Locale_numeric *, wchar_t* /* buf */, size_t /* bufSize */);
1.345 +#endif
1.346 +
1.347 +/*
1.348 + * FUNCTIONS THAT USE MONETARY
1.349 + */
1.350 +
1.351 +/*
1.352 + * Return the obvious fields of struct lconv.
1.353 + */
1.354 +const char * _Locale_int_curr_symbol(struct _Locale_monetary *);
1.355 +const char * _Locale_currency_symbol(struct _Locale_monetary *);
1.356 +char _Locale_mon_decimal_point(struct _Locale_monetary *);
1.357 +char _Locale_mon_thousands_sep(struct _Locale_monetary *);
1.358 +const char * _Locale_mon_grouping(struct _Locale_monetary *);
1.359 +const char * _Locale_positive_sign(struct _Locale_monetary *);
1.360 +const char * _Locale_negative_sign(struct _Locale_monetary *);
1.361 +char _Locale_int_frac_digits(struct _Locale_monetary *);
1.362 +char _Locale_frac_digits(struct _Locale_monetary *);
1.363 +int _Locale_p_cs_precedes(struct _Locale_monetary *);
1.364 +int _Locale_p_sep_by_space(struct _Locale_monetary *);
1.365 +int _Locale_p_sign_posn(struct _Locale_monetary *);
1.366 +int _Locale_n_cs_precedes(struct _Locale_monetary *);
1.367 +int _Locale_n_sep_by_space(struct _Locale_monetary *);
1.368 +int _Locale_n_sign_posn(struct _Locale_monetary *);
1.369 +
1.370 +#ifndef _STLP_NO_WCHAR_T
1.371 +const wchar_t * _WLocale_int_curr_symbol(struct _Locale_monetary *, wchar_t* /* buf */, size_t /* bufSize */);
1.372 +const wchar_t * _WLocale_currency_symbol(struct _Locale_monetary *, wchar_t* /* buf */, size_t /* bufSize */);
1.373 +wchar_t _WLocale_mon_decimal_point(struct _Locale_monetary *);
1.374 +wchar_t _WLocale_mon_thousands_sep(struct _Locale_monetary *);
1.375 +const wchar_t * _WLocale_positive_sign(struct _Locale_monetary *, wchar_t* /* buf */, size_t /* bufSize */);
1.376 +const wchar_t * _WLocale_negative_sign(struct _Locale_monetary *, wchar_t* /* buf */, size_t /* bufSize */);
1.377 +#endif
1.378 +
1.379 +/*
1.380 + * FUNCTIONS THAT USE TIME
1.381 + */
1.382 +
1.383 +/*
1.384 + * month is in the range [0, 12).
1.385 + */
1.386 +const char * _Locale_full_monthname(struct _Locale_time *, int /* month */);
1.387 +const char * _Locale_abbrev_monthname(struct _Locale_time *, int /* month */);
1.388 +
1.389 +#ifndef _STLP_NO_WCHAR_T
1.390 +const wchar_t * _WLocale_full_monthname(struct _Locale_time *, int /* month */,
1.391 + wchar_t* /* buf */, size_t /* bufSize */);
1.392 +const wchar_t * _WLocale_abbrev_monthname(struct _Locale_time *, int /* month */,
1.393 + wchar_t* /* buf */, size_t /* bufSize */);
1.394 +#endif
1.395 +
1.396 +/*
1.397 + * day is in the range [0, 7). Sunday is 0.
1.398 + */
1.399 +const char * _Locale_full_dayofweek(struct _Locale_time *, int /* day */);
1.400 +const char * _Locale_abbrev_dayofweek(struct _Locale_time *, int /* day */);
1.401 +
1.402 +#ifndef _STLP_NO_WCHAR_T
1.403 +const wchar_t * _WLocale_full_dayofweek(struct _Locale_time *, int /* day */,
1.404 + wchar_t* /* buf */, size_t /* bufSize */);
1.405 +const wchar_t * _WLocale_abbrev_dayofweek(struct _Locale_time *, int /* day */,
1.406 + wchar_t* /* buf */, size_t /* bufSize */);
1.407 +#endif
1.408 +
1.409 +const char * _Locale_d_t_fmt(struct _Locale_time *);
1.410 +const char * _Locale_d_fmt(struct _Locale_time *);
1.411 +const char * _Locale_t_fmt(struct _Locale_time *);
1.412 +const char * _Locale_long_d_t_fmt(struct _Locale_time*);
1.413 +const char * _Locale_long_d_fmt(struct _Locale_time*);
1.414 +
1.415 +const char * _Locale_am_str(struct _Locale_time *);
1.416 +const char * _Locale_pm_str(struct _Locale_time *);
1.417 +
1.418 +#ifndef _STLP_NO_WCHAR_T
1.419 +const wchar_t * _WLocale_am_str(struct _Locale_time *,
1.420 + wchar_t* /* buf */, size_t /* bufSize */);
1.421 +const wchar_t * _WLocale_pm_str(struct _Locale_time *,
1.422 + wchar_t* /* buf */, size_t /* bufSize */);
1.423 +#endif
1.424 +
1.425 +/*
1.426 + * FUNCTIONS THAT USE MESSAGES
1.427 + */
1.428 +
1.429 +/*
1.430 + * Very similar to catopen, except that it uses the given message
1.431 + * category to determine which catalog to open.
1.432 + */
1.433 +nl_catd_type _Locale_catopen(struct _Locale_messages*, const char*);
1.434 +
1.435 +/* Complementary to _Locale_catopen.
1.436 + * The catalog must be a value that was returned by a previous call
1.437 + * to _Locale_catopen.
1.438 + */
1.439 +void _Locale_catclose(struct _Locale_messages*, nl_catd_type);
1.440 +
1.441 +/*
1.442 + * Returns a string, identified by a set index and a message index,
1.443 + * from an opened message catalog. Returns the supplied default if
1.444 + * no such string exists.
1.445 + */
1.446 +const char * _Locale_catgets(struct _Locale_messages *, nl_catd_type,
1.447 + int, int,const char *);
1.448 +
1.449 +#ifdef __cplusplus
1.450 +}
1.451 +#endif
1.452 +
1.453 +#endif /* _STLP_C_LOCALE_IMPL_H */
