text: /*
   *
   *  Embedded Linux library
   *
   *  Copyright (C) 2011-2014  Intel Corporation. All rights reserved.
   *
   *  This library is free software; you can redistribute it and/or
   *  modify it under the terms of the GNU Lesser General Public
   *  License as published by the Free Software Foundation; either
   *  version 2.1 of the License, or (at your option) any later version.
   *
   *  This library is distributed in the hope that it will be useful,
   *  but WITHOUT ANY WARRANTY; without even the implied warranty of
   *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   *  Lesser General Public License for more details.
   *
   *  You should have received a copy of the GNU Lesser General Public
   *  License along with this library; if not, write to the Free Software
   *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
   *
   */
  
  #ifndef __ELL_UTF8_H
  #define __ELL_UTF8_H
  
  #include <stdbool.h>
  #include <wchar.h>
  #include <sys/types.h>
  
  #ifdef __cplusplus
  extern "C" {
  #endif
  
  extern unsigned char l_ascii_table[];
  
  enum l_ascii {
  	L_ASCII_CNTRL	= 0x80,
  	L_ASCII_PRINT	= 0x40,
  	L_ASCII_PUNCT	= 0x20,
  	L_ASCII_SPACE	= 0x10,
  	L_ASCII_XDIGIT	= 0x08,
  	L_ASCII_UPPER	= 0x04,
  	L_ASCII_LOWER	= 0x02,
  	L_ASCII_DIGIT	= 0x01,
  	L_ASCII_ALPHA	= L_ASCII_LOWER | L_ASCII_UPPER,
  	L_ASCII_ALNUM	= L_ASCII_ALPHA | L_ASCII_DIGIT,
  	L_ASCII_GRAPH	= L_ASCII_ALNUM | L_ASCII_PUNCT,
  };
  
  #define l_ascii_isalnum(c) \
  	((l_ascii_table[(unsigned char) (c)] & L_ASCII_ALNUM) != 0)
  
  #define l_ascii_isalpha(c) \
  	((l_ascii_table[(unsigned char) (c)] & L_ASCII_ALPHA) != 0)
  
  #define l_ascii_iscntrl(c) \
  	((l_ascii_table[(unsigned char) (c)] & L_ASCII_CNTRL) != 0)
  
  #define l_ascii_isdigit(c) \
  	((l_ascii_table[(unsigned char) (c)] & L_ASCII_DIGIT) != 0)
  
  #define l_ascii_isgraph(c) \
  	((l_ascii_table[(unsigned char) (c)] & L_ASCII_GRAPH) != 0)
  
  #define l_ascii_islower(c) \
  	((l_ascii_table[(unsigned char) (c)] & L_ASCII_LOWER) != 0)
  
  #define l_ascii_isprint(c) \
  	((l_ascii_table[(unsigned char) (c)] & L_ASCII_PRINT) != 0)
  
  #define l_ascii_ispunct(c) \
  	((l_ascii_table[(unsigned char) (c)] & L_ASCII_PUNCT) != 0)
  
  #define l_ascii_isspace(c) \
  	((l_ascii_table[(unsigned char) (c)] & L_ASCII_SPACE) != 0)
  
  #define l_ascii_isupper(c) \
  	((l_ascii_table[(unsigned char) (c)] & L_ASCII_UPPER) != 0)
  
  #define l_ascii_isxdigit(c) \
  	((l_ascii_table[(unsigned char) (c)] & L_ASCII_XDIGIT) != 0)
  
  #if __STDC_VERSION__ <= 199409L
  #define inline __inline__
  #endif
  
  static inline __attribute__ ((always_inline))
  					bool l_ascii_isblank(unsigned char c)
  {
  	if (c == ' ' || c == '\t')
  		return true;
  
  	return false;
  }
  
  static inline __attribute__ ((always_inline)) bool l_ascii_isascii(int c)
  {
  	if (c <= 127)
  		return true;
  
  	return false;
  }
  
  bool l_utf8_validate(const char *src, size_t len, const char **end);
  size_t l_utf8_strlen(const char *str);
  
  int l_utf8_get_codepoint(const char *str, size_t len, wchar_t *cp);
  size_t l_utf8_from_wchar(wchar_t c, char *out_buf);
  
  char *l_utf8_from_utf16(const void *utf16, ssize_t utf16_size);
  void *l_utf8_to_utf16(const char *utf8, size_t *out_size);
  
  char *l_utf8_from_ucs2be(const void *ucs2be, ssize_t ucs2be_size);
  void *l_utf8_to_ucs2be(const char *utf8, size_t *out_size);
  
  #ifdef __cplusplus
  }
  #endif
  
  #endif /* __ELL_UTF8_H */
  