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+/*
+ 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);
+}
+
+
+//TODO: mspgcc does not seem to have isgraph?!?
+
+//// 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