source: arduino-1-6-7/trunk/fuentes/arduino-ide-amd64/hardware/arduino/avr/cores/arduino/WCharacter.h @ 4837

Last change on this file since 4837 was 4837, checked in by daduve, 2 years ago

Adding new version

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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
22
23#include <ctype.h>
24
25// WCharacter.h prototypes
26inline boolean isAlphaNumeric(int c) __attribute__((always_inline));
27inline boolean isAlpha(int c) __attribute__((always_inline));
28inline boolean isAscii(int c) __attribute__((always_inline));
29inline boolean isWhitespace(int c) __attribute__((always_inline));
30inline boolean isControl(int c) __attribute__((always_inline));
31inline boolean isDigit(int c) __attribute__((always_inline));
32inline boolean isGraph(int c) __attribute__((always_inline));
33inline boolean isLowerCase(int c) __attribute__((always_inline));
34inline boolean isPrintable(int c) __attribute__((always_inline));
35inline boolean isPunct(int c) __attribute__((always_inline));
36inline boolean isSpace(int c) __attribute__((always_inline));
37inline boolean isUpperCase(int c) __attribute__((always_inline));
38inline boolean isHexadecimalDigit(int c) __attribute__((always_inline));
39inline int toAscii(int c) __attribute__((always_inline));
40inline int toLowerCase(int c) __attribute__((always_inline));
41inline int toUpperCase(int c)__attribute__((always_inline));
42
43
44// Checks for an alphanumeric character.
45// It is equivalent to (isalpha(c) || isdigit(c)).
46inline boolean 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)).
54inline boolean 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.
62inline boolean 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.
69inline boolean isWhitespace(int c)
70{
71  return ( isblank (c) == 0 ? false : true);
72}
73
74
75// Checks for a control character.
76inline boolean isControl(int c)
77{
78  return ( iscntrl (c) == 0 ? false : true);
79}
80
81
82// Checks for a digit (0 through 9).
83inline boolean isDigit(int c)
84{
85  return ( isdigit (c) == 0 ? false : true);
86}
87
88
89// Checks for any printable character except space.
90inline boolean isGraph(int c)
91{
92  return ( isgraph (c) == 0 ? false : true);
93}
94
95
96// Checks for a lower-case character.
97inline boolean isLowerCase(int c)
98{
99  return (islower (c) == 0 ? false : true);
100}
101
102
103// Checks for any printable character including space.
104inline boolean 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.
112inline boolean 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').
121inline boolean isSpace(int c)
122{
123  return ( isspace (c) == 0 ? false : true);
124}
125
126
127// Checks for an uppercase letter.
128inline boolean 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.
136inline boolean 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.
144inline 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.
156inline int toLowerCase(int c)
157{
158  return tolower (c);
159}
160
161
162// Converts the letter c to upper case, if possible.
163inline int toUpperCase(int c)
164{
165  return toupper (c);
166}
167
168#endif
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