| /* |
| * Copyright (c) 1999 |
| * Silicon Graphics Computer Systems, Inc. |
| * |
| * Copyright (c) 1999 |
| * Boris Fomitchev |
| * |
| * This material is provided "as is", with absolutely no warranty expressed |
| * or implied. Any use is at your own risk. |
| * |
| * Permission to use or copy this software for any purpose is hereby granted |
| * without fee, provided the above notices are retained on all copies. |
| * Permission to modify the code and to distribute modified code is granted, |
| * provided the above notices are retained, and a notice that the code was |
| * modified is included with the above copyright notice. |
| * |
| */ |
| |
| /* |
| * It is impossible to write the C++ locale library in terms of locales |
| * as defined in the C standard. Instead, we write the C++ locale and I/O |
| * library in terms of a low level C-like interface. This file defines |
| * that interface. |
| * |
| * The low-level locale interface can't be written portably; there |
| * must be a version of it for each platform that the C++ library |
| * is ported to. On many systems this interface may be a thin wrapper |
| * for existing functionality. |
| */ |
| |
| #ifndef _STLP_C_LOCALE_IMPL_H |
| #define _STLP_C_LOCALE_IMPL_H |
| |
| #include "stlport_prefix.h" |
| |
| #include <wchar.h> /* for mbstate_t */ |
| #include <stl/c_locale.h> |
| |
| struct _Locale_name_hint; |
| |
| #if defined (_GNU_SOURCE) && defined (__GLIBC__) && \ |
| ((__GLIBC__ > 2) || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 2)) |
| # define _STLP_USE_GLIBC2_LOCALIZATION |
| # include <nl_types.h> |
| typedef nl_catd nl_catd_type; |
| #else |
| typedef int nl_catd_type; |
| #endif |
| |
| /* |
| * A number: the maximum length of a simple locale name. |
| * (i.e. a name like like en_US, as opposed to a name like |
| * en_US/de_AT/de_AT/es_MX/en_US/en_US) */ |
| #define _Locale_MAX_SIMPLE_NAME 256 |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| /* |
| * Typedefs: |
| */ |
| typedef unsigned short int _Locale_mask_t; |
| |
| /* Function called during STLport library load phase. Might contain any |
| * code necessary to the platform localization layer. |
| */ |
| void _Locale_init(void); |
| |
| /* Function called during STLport library unload. Might contain any |
| * code necessary to the platform localization layer. |
| */ |
| void _Locale_final(void); |
| |
| /* Create a category of the locale with the given name. |
| * |
| * The char* argument is a simple (not a composite) locale name, which may |
| * neither be an empty string nor a null pointer. |
| * |
| * These functions return NULL to indicate failure. Failure reason should be reported |
| * using the __err_code pointer. |
| */ |
| struct _Locale_ctype* _Locale_ctype_create(const char *, struct _Locale_name_hint*, int * /* __err_code */); |
| struct _Locale_codecvt* _Locale_codecvt_create(const char *, struct _Locale_name_hint*, int * /* __err_code */); |
| struct _Locale_numeric* _Locale_numeric_create(const char *, struct _Locale_name_hint*, int * /* __err_code */); |
| struct _Locale_time* _Locale_time_create(const char *, struct _Locale_name_hint*, int * /* __err_code */); |
| struct _Locale_collate* _Locale_collate_create(const char *, struct _Locale_name_hint*, int * /* __err_code */); |
| struct _Locale_monetary* _Locale_monetary_create(const char *, struct _Locale_name_hint*, int * /* __err_code */); |
| struct _Locale_messages* _Locale_messages_create(const char *, struct _Locale_name_hint*, int * /* __err_code */); |
| |
| /* Give error reason on failure of one of the _Locale_*_create functions. Available |
| * reasons are: |
| * 0: No specific error reason has been reported. |
| * 1: No platform support for the given facet. |
| * 2: Unknown locale name |
| * 3: No platform API for localization support. |
| * 4: No more memory |
| */ |
| #define _STLP_LOC_UNDEFINED 0 |
| #define _STLP_LOC_UNSUPPORTED_FACET_CATEGORY 1 |
| #define _STLP_LOC_UNKNOWN_NAME 2 |
| #define _STLP_LOC_NO_PLATFORM_SUPPORT 3 |
| #define _STLP_LOC_NO_MEMORY 4 |
| |
| /* Release a category of a locale |
| * |
| * These functions are used to release a category acquired with the |
| * according _Locale_*_create() functions. |
| */ |
| void _Locale_ctype_destroy(struct _Locale_ctype *); |
| void _Locale_codecvt_destroy(struct _Locale_codecvt *); |
| void _Locale_numeric_destroy(struct _Locale_numeric *); |
| void _Locale_time_destroy(struct _Locale_time *); |
| void _Locale_collate_destroy(struct _Locale_collate *); |
| void _Locale_monetary_destroy(struct _Locale_monetary *); |
| void _Locale_messages_destroy(struct _Locale_messages *); |
| |
| /* |
| * Returns the name of the user's default locale in each |
| * category, as a null-terminated string. A NULL value |
| * means the default "C" locale. |
| */ |
| const char * _Locale_ctype_default(char * __buf); |
| const char * _Locale_numeric_default(char * __buf); |
| const char * _Locale_time_default(char * __buf); |
| const char * _Locale_collate_default(char * __buf); |
| const char * _Locale_monetary_default(char * __buf); |
| const char * _Locale_messages_default(char * __buf); |
| |
| /* Retrieve the name of the given category |
| * |
| * __buf points to a buffer that can hold at least _Locale_MAX_SIMPLE_NAME |
| * characters. These functions store the name, as a null-terminated |
| * string, in __buf. This function can't fail, at worst name is truncated. |
| */ |
| char const* _Locale_ctype_name(const struct _Locale_ctype *, char* __buf); |
| char const* _Locale_codecvt_name(const struct _Locale_codecvt *, char* __buf); |
| char const* _Locale_numeric_name(const struct _Locale_numeric *, char* __buf); |
| char const* _Locale_time_name(const struct _Locale_time *, char* __buf); |
| char const* _Locale_collate_name(const struct _Locale_collate *, char* __buf); |
| char const* _Locale_monetary_name(const struct _Locale_monetary *, char* __buf); |
| char const* _Locale_messages_name(const struct _Locale_messages *, char* __buf); |
| |
| /* |
| * cname is a (possibly composite) locale name---i.e. a name that can |
| * be passed to setlocale. __buf points to an array large enough to |
| * store at least _Locale_MAX_SIMPLE_NAME characters, and each of these |
| * functions extracts the name of a single category, stores it in buf |
| * as a null-terminated string, and returns buf. |
| */ |
| char const* _Locale_extract_ctype_name(const char *cname, char *__buf, |
| struct _Locale_name_hint* __hint, int *__err_code); |
| char const* _Locale_extract_numeric_name(const char *cname, char *__buf, |
| struct _Locale_name_hint* __hint, int *__err_code); |
| char const* _Locale_extract_time_name(const char *cname, char *__buf, |
| struct _Locale_name_hint* __hint, int *__err_code); |
| char const* _Locale_extract_collate_name(const char *cname, char *__buf, |
| struct _Locale_name_hint* __hint, int *__err_code); |
| char const* _Locale_extract_monetary_name(const char *cname, char *__buf, |
| struct _Locale_name_hint* __hint, int *__err_code); |
| char const* _Locale_extract_messages_name(const char *cname, char *__buf, |
| struct _Locale_name_hint* __hint, int *__err_code); |
| |
| /* Functions to improve locale creation process. For some locale API (Win32) |
| * you need to find a locale identification from the name which can be a |
| * rather expensive operation especially if you do so for all facets of a |
| * locale. Those functions can be used to extract from a API dependent facet |
| * struct the information necessary to skip this lookup process for other |
| * facets creation. If not supported those function should return NULL. |
| */ |
| struct _Locale_name_hint* _Locale_get_ctype_hint(struct _Locale_ctype*); |
| struct _Locale_name_hint* _Locale_get_numeric_hint(struct _Locale_numeric*); |
| struct _Locale_name_hint* _Locale_get_time_hint(struct _Locale_time*); |
| struct _Locale_name_hint* _Locale_get_collate_hint(struct _Locale_collate*); |
| struct _Locale_name_hint* _Locale_get_monetary_hint(struct _Locale_monetary*); |
| struct _Locale_name_hint* _Locale_get_messages_hint(struct _Locale_messages*); |
| |
| /* |
| * FUNCTIONS THAT USE CTYPE |
| */ |
| |
| /* |
| * Narrow character functions: |
| */ |
| |
| /* |
| * Returns a pointer to the beginning of the ctype table. The table is |
| * at least 257 bytes long; if p is the pointer returned by this |
| * function, then p[c] is valid if c is EOF or if p is any value of |
| * type unsigned char. |
| */ |
| const _Locale_mask_t * _Locale_ctype_table(struct _Locale_ctype *); |
| |
| /* |
| * c is either EOF, or an unsigned char value. |
| */ |
| int _Locale_toupper(struct _Locale_ctype *, int /* c */); |
| int _Locale_tolower(struct _Locale_ctype *, int /* c */); |
| |
| |
| #ifndef _STLP_NO_WCHAR_T |
| /* |
| * Wide character functions: |
| */ |
| _Locale_mask_t _WLocale_ctype(struct _Locale_ctype *, wint_t, _Locale_mask_t); |
| wint_t _WLocale_tolower(struct _Locale_ctype *, wint_t); |
| wint_t _WLocale_toupper(struct _Locale_ctype *, wint_t); |
| |
| /* |
| * Multibyte functions: |
| */ |
| |
| /* |
| * Returns the number of bytes of the longest allowed multibyte |
| * character in the current encoding. |
| */ |
| int _WLocale_mb_cur_max(struct _Locale_codecvt *); |
| |
| /* |
| * Returns the number of bytes of the shortest allowed multibyte |
| * character in the current encoding. |
| */ |
| int _WLocale_mb_cur_min(struct _Locale_codecvt *); |
| |
| /* |
| * Returns 1 if the current multibyte encoding is stateless |
| * and does not require the use of an mbstate_t value. |
| */ |
| int _WLocale_is_stateless(struct _Locale_codecvt *); |
| |
| /* |
| * Almost identical to mbrtowc, from 4.6.5.3.2 of NA1. The only |
| * important difference is that mbrtowc treats null wide characters |
| * as special, and we don't. Specifically: examines the characters |
| * in [from, from + n), extracts a single wide character, and stores |
| * it in *to. Modifies shift_state if appropriate. The return value, |
| * which is always positive, is the number of characters extracted from |
| * the input sequence. Return value is (size_t) -1 if there was an |
| * encoding error in the input sequence, and (size_t) -2 if |
| * [from, from + n) is correct but not complete. None of the pointer |
| * arguments may be null pointers. |
| */ |
| size_t _WLocale_mbtowc(struct _Locale_codecvt *, |
| wchar_t * /* to */, |
| const char * /* from */, size_t /* n */, |
| mbstate_t *); |
| |
| /* |
| * Again, very similar to wcrtomb. The differences are that (1) it |
| * doesn't treat null characters as special; and (2) it stores at most |
| * n characters. Converts c to a multibyte sequence, stores that |
| * sequence in the array 'to', and returns the length of the sequence. |
| * Modifies shift_state if appropriate. The return value is (size_t) -1 |
| * if c is not a valid wide character, and (size_t) -2 if the length of |
| * the multibyte character sequence is greater than n. |
| */ |
| size_t _WLocale_wctomb(struct _Locale_codecvt *, |
| char *, size_t, |
| const wchar_t, |
| mbstate_t *); |
| |
| /* |
| * Inserts whatever characters are necessary to restore st to an |
| * initial shift state. Sets *next to buf + m, where m is the number |
| * of characters inserted. (0 <= m <= n.) Returns m to indicate |
| * success, (size_t) -1 to indicate error, (size_t) -2 to indicate |
| * partial success (more than n characters needed). For success or partial |
| * success, sets *next to buf + m. |
| */ |
| size_t _WLocale_unshift(struct _Locale_codecvt *, |
| mbstate_t *, |
| char *, size_t, char **); |
| #endif |
| |
| /* |
| * FUNCTIONS THAT USE COLLATE |
| */ |
| |
| /* |
| * Compares the two sequences [s1, s1 + n1) and [s2, s2 + n2). Neither |
| * sequence is assumed to be null-terminated, and null characters |
| * aren't special. If the two sequences are the same up through |
| * min(n1, n2), then the sequence that compares less is whichever one |
| * is shorter. |
| */ |
| int _Locale_strcmp(struct _Locale_collate *, |
| const char * /* s1 */, size_t /* n1 */, |
| const char * /* s2 */, size_t /* n2 */); |
| #ifndef _STLP_NO_WCHAR_T |
| int _WLocale_strcmp(struct _Locale_collate *, |
| const wchar_t * /* s1 */, size_t /* n1 */, |
| const wchar_t * /* s2 */, size_t /* n2 */); |
| #endif |
| |
| /* |
| * Creates a transformed version of the string [s2, s2 + n2). The |
| * string may contain embedded null characters; nulls aren't special. |
| * The transformed string begins at s1, and contains at most n1 |
| * characters. The return value is the length of the transformed |
| * string. If the return value is greater than n1 then this is an |
| * error condition: it indicates that there wasn't enough space. In |
| * that case, the contents of [s1, s1 + n1) is unspecified. |
| */ |
| size_t _Locale_strxfrm(struct _Locale_collate *, |
| char * /* s1 */, size_t /* n1 */, |
| const char * /* s2 */, size_t /* n2 */); |
| |
| #ifndef _STLP_NO_WCHAR_T |
| size_t _WLocale_strxfrm(struct _Locale_collate *, |
| wchar_t * /* s1 */, size_t /* n1 */, |
| const wchar_t * /* s2 */, size_t /* n2 */); |
| #endif |
| |
| |
| /* |
| * FUNCTIONS THAT USE NUMERIC |
| */ |
| |
| /* |
| * Equivalent to the first three fields in struct lconv. (C standard, |
| * section 7.4.) |
| */ |
| char _Locale_decimal_point(struct _Locale_numeric *); |
| char _Locale_thousands_sep(struct _Locale_numeric *); |
| const char * _Locale_grouping(struct _Locale_numeric *); |
| |
| #ifndef _STLP_NO_WCHAR_T |
| wchar_t _WLocale_decimal_point(struct _Locale_numeric *); |
| wchar_t _WLocale_thousands_sep(struct _Locale_numeric *); |
| #endif |
| |
| /* |
| * Return "true" and "false" in English locales, and something |
| * appropriate in non-English locales. |
| */ |
| const char * _Locale_true(struct _Locale_numeric *); |
| const char * _Locale_false(struct _Locale_numeric *); |
| |
| #ifndef _STLP_NO_WCHAR_T |
| const wchar_t * _WLocale_true(struct _Locale_numeric *, wchar_t* /* buf */, size_t /* bufSize */); |
| const wchar_t * _WLocale_false(struct _Locale_numeric *, wchar_t* /* buf */, size_t /* bufSize */); |
| #endif |
| |
| /* |
| * FUNCTIONS THAT USE MONETARY |
| */ |
| |
| /* |
| * Return the obvious fields of struct lconv. |
| */ |
| const char * _Locale_int_curr_symbol(struct _Locale_monetary *); |
| const char * _Locale_currency_symbol(struct _Locale_monetary *); |
| char _Locale_mon_decimal_point(struct _Locale_monetary *); |
| char _Locale_mon_thousands_sep(struct _Locale_monetary *); |
| const char * _Locale_mon_grouping(struct _Locale_monetary *); |
| const char * _Locale_positive_sign(struct _Locale_monetary *); |
| const char * _Locale_negative_sign(struct _Locale_monetary *); |
| char _Locale_int_frac_digits(struct _Locale_monetary *); |
| char _Locale_frac_digits(struct _Locale_monetary *); |
| int _Locale_p_cs_precedes(struct _Locale_monetary *); |
| int _Locale_p_sep_by_space(struct _Locale_monetary *); |
| int _Locale_p_sign_posn(struct _Locale_monetary *); |
| int _Locale_n_cs_precedes(struct _Locale_monetary *); |
| int _Locale_n_sep_by_space(struct _Locale_monetary *); |
| int _Locale_n_sign_posn(struct _Locale_monetary *); |
| |
| #ifndef _STLP_NO_WCHAR_T |
| const wchar_t * _WLocale_int_curr_symbol(struct _Locale_monetary *, wchar_t* /* buf */, size_t /* bufSize */); |
| const wchar_t * _WLocale_currency_symbol(struct _Locale_monetary *, wchar_t* /* buf */, size_t /* bufSize */); |
| wchar_t _WLocale_mon_decimal_point(struct _Locale_monetary *); |
| wchar_t _WLocale_mon_thousands_sep(struct _Locale_monetary *); |
| const wchar_t * _WLocale_positive_sign(struct _Locale_monetary *, wchar_t* /* buf */, size_t /* bufSize */); |
| const wchar_t * _WLocale_negative_sign(struct _Locale_monetary *, wchar_t* /* buf */, size_t /* bufSize */); |
| #endif |
| |
| /* |
| * FUNCTIONS THAT USE TIME |
| */ |
| |
| /* |
| * month is in the range [0, 12). |
| */ |
| const char * _Locale_full_monthname(struct _Locale_time *, int /* month */); |
| const char * _Locale_abbrev_monthname(struct _Locale_time *, int /* month */); |
| |
| #ifndef _STLP_NO_WCHAR_T |
| const wchar_t * _WLocale_full_monthname(struct _Locale_time *, int /* month */, |
| wchar_t* /* buf */, size_t /* bufSize */); |
| const wchar_t * _WLocale_abbrev_monthname(struct _Locale_time *, int /* month */, |
| wchar_t* /* buf */, size_t /* bufSize */); |
| #endif |
| |
| /* |
| * day is in the range [0, 7). Sunday is 0. |
| */ |
| const char * _Locale_full_dayofweek(struct _Locale_time *, int /* day */); |
| const char * _Locale_abbrev_dayofweek(struct _Locale_time *, int /* day */); |
| |
| #ifndef _STLP_NO_WCHAR_T |
| const wchar_t * _WLocale_full_dayofweek(struct _Locale_time *, int /* day */, |
| wchar_t* /* buf */, size_t /* bufSize */); |
| const wchar_t * _WLocale_abbrev_dayofweek(struct _Locale_time *, int /* day */, |
| wchar_t* /* buf */, size_t /* bufSize */); |
| #endif |
| |
| const char * _Locale_d_t_fmt(struct _Locale_time *); |
| const char * _Locale_d_fmt(struct _Locale_time *); |
| const char * _Locale_t_fmt(struct _Locale_time *); |
| const char * _Locale_long_d_t_fmt(struct _Locale_time*); |
| const char * _Locale_long_d_fmt(struct _Locale_time*); |
| |
| const char * _Locale_am_str(struct _Locale_time *); |
| const char * _Locale_pm_str(struct _Locale_time *); |
| |
| #ifndef _STLP_NO_WCHAR_T |
| const wchar_t * _WLocale_am_str(struct _Locale_time *, |
| wchar_t* /* buf */, size_t /* bufSize */); |
| const wchar_t * _WLocale_pm_str(struct _Locale_time *, |
| wchar_t* /* buf */, size_t /* bufSize */); |
| #endif |
| |
| /* |
| * FUNCTIONS THAT USE MESSAGES |
| */ |
| |
| /* |
| * Very similar to catopen, except that it uses the given message |
| * category to determine which catalog to open. |
| */ |
| nl_catd_type _Locale_catopen(struct _Locale_messages*, const char*); |
| |
| /* Complementary to _Locale_catopen. |
| * The catalog must be a value that was returned by a previous call |
| * to _Locale_catopen. |
| */ |
| void _Locale_catclose(struct _Locale_messages*, nl_catd_type); |
| |
| /* |
| * Returns a string, identified by a set index and a message index, |
| * from an opened message catalog. Returns the supplied default if |
| * no such string exists. |
| */ |
| const char * _Locale_catgets(struct _Locale_messages *, nl_catd_type, |
| int, int,const char *); |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif /* _STLP_C_LOCALE_IMPL_H */ |