text: /*
   Copyright (c) 2013 OpenSourceRF.com.  All right 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
  
   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
   EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
   MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
   IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
   CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
   TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
   SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  */
  
  /*
   WCharacter.h - Character utility functions for Wiring & Arduino
   Copyright (c) 2010 Hernando Barragan.  All right 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 Character_h
  #define Character_h
  
  #include <ctype.h>
  
  #ifdef __cplusplus
  extern "C" {
  #endif
  
  // WCharacter.h prototypes
  #if defined (  __GNUC__  )
  inline boolean isAlphaNumeric(int c) __attribute__((always_inline));
  inline boolean isAlpha(int c) __attribute__((always_inline));
  inline boolean isAscii(int c) __attribute__((always_inline));
  inline boolean isWhitespace(int c) __attribute__((always_inline));
  inline boolean isControl(int c) __attribute__((always_inline));
  inline boolean isDigit(int c) __attribute__((always_inline));
  inline boolean isGraph(int c) __attribute__((always_inline));
  inline boolean isLowerCase(int c) __attribute__((always_inline));
  inline boolean isPrintable(int c) __attribute__((always_inline));
  inline boolean isPunct(int c) __attribute__((always_inline));
  inline boolean isSpace(int c) __attribute__((always_inline));
  inline boolean isUpperCase(int c) __attribute__((always_inline));
  inline boolean isHexadecimalDigit(int c) __attribute__((always_inline));
  inline int toAscii(int c) __attribute__((always_inline));
  inline int toLowerCase(int c) __attribute__((always_inline));
  inline int toUpperCase(int c)__attribute__((always_inline));
  #elif defined ( __ICCARM__ )
  #endif
  
  // Checks for an alphanumeric character.
  // It is equivalent to (isalpha(c) || isdigit(c)).
  inline boolean isAlphaNumeric(int c)
  {
    return ( isalnum(c) == 0 ? false : true);
  }
  
  
  // Checks for an alphabetic character.
  // It is equivalent to (isupper(c) || islower(c)).
  inline boolean isAlpha(int c)
  {
    return ( isalpha(c) == 0 ? false : true);
  }
  
  
  // Checks whether c is a 7-bit unsigned char value
  // that fits into the ASCII character set.
  inline boolean isAscii(int c)
  {
  /*  return ( isascii(c) == 0 ? false : true); */
    return ( (c & ~0x7f) != 0 ? false : true);
  }
  
  
  // Checks for a blank character, that is, a space or a tab.
  inline boolean isWhitespace(int c)
  {
    return ( isblank (c) == 0 ? false : true);
  }
  
  
  // Checks for a control character.
  inline boolean isControl(int c)
  {
    return ( iscntrl (c) == 0 ? false : true);
  }
  
  
  // Checks for a digit (0 through 9).
  inline boolean isDigit(int c)
  {
    return ( isdigit (c) == 0 ? false : true);
  }
  
  
  // Checks for any printable character except space.
  inline boolean isGraph(int c)
  {
    return ( isgraph (c) == 0 ? false : true);
  }
  
  
  // Checks for a lower-case character.
  inline boolean isLowerCase(int c)
  {
    return (islower (c) == 0 ? false : true);
  }
  
  
  // Checks for any printable character including space.
  inline boolean isPrintable(int c)
  {
    return ( isprint (c) == 0 ? false : true);
  }
  
  
  // Checks for any printable character which is not a space
  // or an alphanumeric character.
  inline boolean isPunct(int c)
  {
    return ( ispunct (c) == 0 ? false : true);
  }
  
  
  // Checks for white-space characters. For the avr-libc library,
  // these are: space, formfeed ('\f'), newline ('\n'), carriage
  // return ('\r'), horizontal tab ('\t'), and vertical tab ('\v').
  inline boolean isSpace(int c)
  {
    return ( isspace (c) == 0 ? false : true);
  }
  
  
  // Checks for an uppercase letter.
  inline boolean isUpperCase(int c)
  {
    return ( isupper (c) == 0 ? false : true);
  }
  
  
  // Checks for a hexadecimal digits, i.e. one of 0 1 2 3 4 5 6 7
  // 8 9 a b c d e f A B C D E F.
  inline boolean isHexadecimalDigit(int c)
  {
    return ( isxdigit (c) == 0 ? false : true);
  }
  
  
  // Converts c to a 7-bit unsigned char value that fits into the
  // ASCII character set, by clearing the high-order bits.
  inline int toAscii(int c)
  {
  /*  return toascii (c); */
    return (c & 0x7f);
  }
  
  
  // Warning:
  // Many people will be unhappy if you use this function.
  // This function will convert accented letters into random
  // characters.
  
  // Converts the letter c to lower case, if possible.
  inline int toLowerCase(int c)
  {
    return tolower (c);
  }
  
  
  // Converts the letter c to upper case, if possible.
  inline int toUpperCase(int c)
  {
    return toupper (c);
  }
  
  #ifdef __cplusplus
  }
  #endif
  
  #endif
  