1- /*
2- WCharacter.h - Character utility functions for Wiring & Arduino
3- Copyright (c) 2010 Hernando Barragan. All right reserved.
4-
5- This library is free software; you can redistribute it and/or
6- modify it under the terms of the GNU Lesser General Public
7- License as published by the Free Software Foundation; either
8- version 2.1 of the License, or (at your option) any later version.
9-
10- This library is distributed in the hope that it will be useful,
11- but WITHOUT ANY WARRANTY; without even the implied warranty of
12- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13- Lesser General Public License for more details.
14-
15- You should have received a copy of the GNU Lesser General Public
16- License along with this library; if not, write to the Free Software
17- Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
18- */
19-
20- #ifndef Character_h
21- #define Character_h
1+ #pragma once
222
233#include <ctype.h>
244
25- // WCharacter.h prototypes
26- inline bool isAlphaNumeric (int c ) __attribute__((always_inline ));
27- inline bool isAlpha (int c ) __attribute__((always_inline ));
28- inline bool isAscii (int c ) __attribute__((always_inline ));
29- inline bool isWhitespace (int c ) __attribute__((always_inline ));
30- inline bool isControl (int c ) __attribute__((always_inline ));
31- inline bool isDigit (int c ) __attribute__((always_inline ));
32- inline bool isGraph (int c ) __attribute__((always_inline ));
33- inline bool isLowerCase (int c ) __attribute__((always_inline ));
34- inline bool isPrintable (int c ) __attribute__((always_inline ));
35- inline bool isPunct (int c ) __attribute__((always_inline ));
36- inline bool isSpace (int c ) __attribute__((always_inline ));
37- inline bool isUpperCase (int c ) __attribute__((always_inline ));
38- inline bool isHexadecimalDigit (int c ) __attribute__((always_inline ));
39- inline int toAscii (int c ) __attribute__((always_inline ));
40- inline int toLowerCase (int c ) __attribute__((always_inline ));
41- inline int toUpperCase (int c )__attribute__((always_inline ));
42-
43-
44- // Checks for an alphanumeric character.
45- // It is equivalent to (isalpha(c) || isdigit(c)).
46- inline bool isAlphaNumeric (int c )
47- {
48- return ( isalnum (c ) == 0 ? false : true);
49- }
50-
51-
52- // Checks for an alphabetic character.
53- // It is equivalent to (isupper(c) || islower(c)).
54- inline bool isAlpha (int c )
55- {
56- return ( isalpha (c ) == 0 ? false : true);
57- }
58-
59-
60- // Checks whether c is a 7-bit unsigned char value
61- // that fits into the ASCII character set.
62- inline bool isAscii (int c )
63- {
64- return ( isascii (c ) == 0 ? false : true);
65- }
66-
67-
68- // Checks for a blank character, that is, a space or a tab.
69- inline bool isWhitespace (int c )
70- {
71- return ( isblank (c ) == 0 ? false : true);
72- }
73-
74-
75- // Checks for a control character.
76- inline bool isControl (int c )
77- {
78- return ( iscntrl (c ) == 0 ? false : true);
79- }
80-
81-
82- // Checks for a digit (0 through 9).
83- inline bool isDigit (int c )
84- {
85- return ( isdigit (c ) == 0 ? false : true);
86- }
87-
88-
89- // Checks for any printable character except space.
90- inline bool isGraph (int c )
91- {
92- return ( isgraph (c ) == 0 ? false : true);
93- }
94-
95-
96- // Checks for a lower-case character.
97- inline bool isLowerCase (int c )
98- {
99- return (islower (c ) == 0 ? false : true);
100- }
101-
102-
103- // Checks for any printable character including space.
104- inline bool isPrintable (int c )
105- {
106- return ( isprint (c ) == 0 ? false : true);
107- }
108-
109-
110- // Checks for any printable character which is not a space
111- // or an alphanumeric character.
112- inline bool isPunct (int c )
113- {
114- return ( ispunct (c ) == 0 ? false : true);
115- }
116-
117-
118- // Checks for white-space characters. For the avr-libc library,
119- // these are: space, formfeed ('\f'), newline ('\n'), carriage
120- // return ('\r'), horizontal tab ('\t'), and vertical tab ('\v').
121- inline bool isSpace (int c )
122- {
123- return ( isspace (c ) == 0 ? false : true);
124- }
125-
126-
127- // Checks for an uppercase letter.
128- inline bool isUpperCase (int c )
129- {
130- return ( isupper (c ) == 0 ? false : true);
131- }
132-
133-
134- // Checks for a hexadecimal digits, i.e. one of 0 1 2 3 4 5 6 7
135- // 8 9 a b c d e f A B C D E F.
136- inline bool isHexadecimalDigit (int c )
137- {
138- return ( isxdigit (c ) == 0 ? false : true);
139- }
140-
141-
142- // Converts c to a 7-bit unsigned char value that fits into the
143- // ASCII character set, by clearing the high-order bits.
144- inline int toAscii (int c )
145- {
146- return toascii (c );
147- }
148-
149-
150- // Warning:
151- // Many people will be unhappy if you use this function.
152- // This function will convert accented letters into random
153- // characters.
154-
155- // Converts the letter c to lower case, if possible.
156- inline int toLowerCase (int c )
157- {
158- return tolower (c );
159- }
160-
161-
162- // Converts the letter c to upper case, if possible.
163- inline int toUpperCase (int c )
164- {
165- return toupper (c );
166- }
167-
168- #endif
5+ #define isAlpha (c ) (isalpha(c) ? true : false)
6+ #define isAlphaNumeric (c ) (isalnum(c) ? true : false)
7+ #define isAscii (c ) (isascii(c) ? true : false)
8+ #define isControl (c ) (iscntrl(c) ? true : false)
9+ #define isDigit (c ) (isdigit(c) ? true : false)
10+ #define isGraph (c ) (isgraph(c) ? true : false)
11+ #define isHexadecimalDigit (c ) (isxdigit(c) ? true : false)
12+ #define isLowerCase (c ) (islower(c) ? true : false)
13+ #define isPrintable (c ) (isprint(c) ? true : false)
14+ #define isPunct (c ) (ispunct(c) ? true : false)
15+ #define isSpace (c ) (isspace(c) ? true : false)
16+ #define isUpperCase (c ) (isupper(c) ? true : false)
17+ #define isWhitespace (c ) (isblank(c) ? true : false)
18+
19+ #define toAscii (c ) (toascii(c))
20+ #define toLowerCase (c ) (tolower(c))
21+ #define toUpperCase (c ) (toupper(c))
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