mirror of https://gitee.com/openkylin/bluez.git
121 lines
3.2 KiB
C
121 lines
3.2 KiB
C
/*
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*
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* Embedded Linux library
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*
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* Copyright (C) 2011-2014 Intel Corporation. All rights reserved.
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*
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* This 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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*
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* This 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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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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*/
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#ifndef __ELL_UTF8_H
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#define __ELL_UTF8_H
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#include <stdbool.h>
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#include <wchar.h>
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#include <sys/types.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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extern unsigned char l_ascii_table[];
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enum l_ascii {
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L_ASCII_CNTRL = 0x80,
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L_ASCII_PRINT = 0x40,
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L_ASCII_PUNCT = 0x20,
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L_ASCII_SPACE = 0x10,
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L_ASCII_XDIGIT = 0x08,
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L_ASCII_UPPER = 0x04,
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L_ASCII_LOWER = 0x02,
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L_ASCII_DIGIT = 0x01,
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L_ASCII_ALPHA = L_ASCII_LOWER | L_ASCII_UPPER,
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L_ASCII_ALNUM = L_ASCII_ALPHA | L_ASCII_DIGIT,
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L_ASCII_GRAPH = L_ASCII_ALNUM | L_ASCII_PUNCT,
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};
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#define l_ascii_isalnum(c) \
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((l_ascii_table[(unsigned char) (c)] & L_ASCII_ALNUM) != 0)
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#define l_ascii_isalpha(c) \
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((l_ascii_table[(unsigned char) (c)] & L_ASCII_ALPHA) != 0)
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#define l_ascii_iscntrl(c) \
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((l_ascii_table[(unsigned char) (c)] & L_ASCII_CNTRL) != 0)
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#define l_ascii_isdigit(c) \
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((l_ascii_table[(unsigned char) (c)] & L_ASCII_DIGIT) != 0)
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#define l_ascii_isgraph(c) \
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((l_ascii_table[(unsigned char) (c)] & L_ASCII_GRAPH) != 0)
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#define l_ascii_islower(c) \
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((l_ascii_table[(unsigned char) (c)] & L_ASCII_LOWER) != 0)
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#define l_ascii_isprint(c) \
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((l_ascii_table[(unsigned char) (c)] & L_ASCII_PRINT) != 0)
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#define l_ascii_ispunct(c) \
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((l_ascii_table[(unsigned char) (c)] & L_ASCII_PUNCT) != 0)
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#define l_ascii_isspace(c) \
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((l_ascii_table[(unsigned char) (c)] & L_ASCII_SPACE) != 0)
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#define l_ascii_isupper(c) \
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((l_ascii_table[(unsigned char) (c)] & L_ASCII_UPPER) != 0)
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#define l_ascii_isxdigit(c) \
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((l_ascii_table[(unsigned char) (c)] & L_ASCII_XDIGIT) != 0)
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#if __STDC_VERSION__ <= 199409L
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#define inline __inline__
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#endif
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static inline __attribute__ ((always_inline))
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bool l_ascii_isblank(unsigned char c)
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{
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if (c == ' ' || c == '\t')
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return true;
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return false;
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}
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static inline __attribute__ ((always_inline)) bool l_ascii_isascii(int c)
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{
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if (c <= 127)
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return true;
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return false;
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}
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bool l_utf8_validate(const char *src, size_t len, const char **end);
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size_t l_utf8_strlen(const char *str);
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int l_utf8_get_codepoint(const char *str, size_t len, wchar_t *cp);
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size_t l_utf8_from_wchar(wchar_t c, char *out_buf);
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char *l_utf8_from_utf16(const void *utf16, ssize_t utf16_size);
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void *l_utf8_to_utf16(const char *utf8, size_t *out_size);
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char *l_utf8_from_ucs2be(const void *ucs2be, ssize_t ucs2be_size);
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void *l_utf8_to_ucs2be(const char *utf8, size_t *out_size);
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#ifdef __cplusplus
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}
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#endif
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#endif /* __ELL_UTF8_H */
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