Add WCharacter support (#100)

thanks!

Author: KenjutsuGH

cores/arduino/Arduino.h

@@ -49,6 +49,14 @@ void yield(void);
 } // extern "C"
 #endif // __cplusplus
 
+#ifdef __cplusplus
+#  include "WCharacter.h"
+#  include "WString.h"
+#  include "WMath.h"
+//#  include <Tone.h>
+#  include <HardwareSerial.h>
+#endif
+
 // Include pins variant
 #include "pins_arduino.h"
 

cores/arduino/WCharacter.h

@@ -0,0 +1,157 @@
+/*
+ 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>
+
+// #define isascii(c) ((unsigned int)c < 0x7F)
+// #define toascii(c) ((unsigned char)c)
+
+// WCharacter.h prototypes
+inline bool isAlphaNumeric(int c) __attribute__((always_inline));
+inline bool isAlpha(int c) __attribute__((always_inline));
+inline bool isAscii(int c) __attribute__((always_inline));
+inline bool isWhitespace(int c) __attribute__((always_inline));
+inline bool isControl(int c) __attribute__((always_inline));
+inline bool isDigit(int c) __attribute__((always_inline));
+inline bool isGraph(int c) __attribute__((always_inline));
+inline bool isLowerCase(int c) __attribute__((always_inline));
+inline bool isPrintable(int c) __attribute__((always_inline));
+inline bool isPunct(int c) __attribute__((always_inline));
+inline bool isSpace(int c) __attribute__((always_inline));
+inline bool isUpperCase(int c) __attribute__((always_inline));
+inline bool 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 bool isAlphaNumeric(int c) 
+{
+  return ( isalnum(c) == 0 ? false : true);
+}
+
+
+// Checks for an alphabetic character. 
+// It is equivalent to (isupper(c) || islower(c)).
+inline bool 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 bool isAscii(int c)
+{
+  return ( isascii (c) == 0 ? false : true);
+}
+
+// Checks for a blank character, that is, a space or a tab.
+inline bool isWhitespace(int c)
+{
+  return ( isblank (c) == 0 ? false : true);
+}
+
+// Checks for a control character.
+inline bool isControl(int c)
+{
+  return ( iscntrl (c) == 0 ? false : true);
+}
+
+// Checks for a digit (0 through 9).
+inline bool isDigit(int c)
+{
+  return ( isdigit (c) == 0 ? false : true);
+}
+
+
+// Checks for any printable character except space.
+inline bool isGraph(int c)
+{
+  return ( isgraph (c) == 0 ? false : true);
+}
+
+// Checks for a lower-case character.
+inline bool isLowerCase(int c)
+{
+  return (islower (c) == 0 ? false : true);
+}
+
+// Checks for any printable character including space.
+inline bool isPrintable(int c)
+{
+  return ( isprint (c) == 0 ? false : true);
+}
+
+// Checks for any printable character which is not a space 
+// or an alphanumeric character.
+inline bool 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 bool isSpace(int c)
+{
+  return ( isspace (c) == 0 ? false : true);
+}
+
+// Checks for an uppercase letter.
+inline bool 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 bool 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