ACharacter.h

Go to the documentation of this file.

#ifndef __A_CHARACTER_H__
#define __A_CHARACTER_H__

#include <ctype.h>

inline boolean isAlphaNumeric(int thisChar) __attribute__((always_inline));

inline boolean isAlpha(int thisChar) __attribute__((always_inline));

inline boolean isAscii(int thisChar) __attribute__((always_inline));

inline boolean isWhitespace(int thisChar) __attribute__((always_inline));

inline boolean isControl(int thisChar) __attribute__((always_inline));

inline boolean isDigit(int thisChar) __attribute__((always_inline));

inline boolean isGraph(int thisChar) __attribute__((always_inline));

inline boolean isLowerCase(int thisChar) __attribute__((always_inline));

inline boolean isPrintable(int thisChar) __attribute__((always_inline));

inline boolean isPunct(int thisChar) __attribute__((always_inline));

inline boolean isSpace(int thisChar) __attribute__((always_inline));

inline boolean isUpperCase(int thisChar) __attribute__((always_inline));

inline boolean isHexadecimalDigit(int thisChar) __attribute__((always_inline));
inline int toAscii(int thisChar) __attribute__((always_inline));
inline int toLowerCase(int thisChar) __attribute__((always_inline));
inline int toUpperCase(int thisChar)__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 
inline int toAscii(int c) {
  return toascii (c); }

// 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 //end ACharacter.h