Quadrotor

/*

 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>

// WCharacter.h prototypes

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));

// 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);

}

// 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);

}

// 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);

}

#endif