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f6bbde28 ZW |
1 | /* <ctype.h> replacement macros. |
2 | ||
3 | Copyright (C) 2000 Free Software Foundation, Inc. | |
4 | Contributed by Zack Weinberg <zackw@stanford.edu>. | |
5 | ||
6 | This file is part of the libiberty library. | |
7 | Libiberty is free software; you can redistribute it and/or | |
8 | modify it under the terms of the GNU Library General Public | |
9 | License as published by the Free Software Foundation; either | |
10 | version 2 of the License, or (at your option) any later version. | |
11 | ||
12 | Libiberty is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 | Library General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU Library General Public | |
18 | License along with libiberty; see the file COPYING.LIB. If | |
19 | not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
20 | Boston, MA 02111-1307, USA. */ | |
21 | ||
22 | /* This is a compatible replacement of the standard C library's <ctype.h> | |
23 | with the following properties: | |
24 | ||
25 | - Implements all isxxx() macros required by C99. | |
26 | - Also implements some character classes useful when | |
27 | parsing C-like languages. | |
28 | - Does not change behavior depending on the current locale. | |
29 | - Behaves properly for all values in the range of a signed or | |
30 | unsigned char. */ | |
31 | ||
a8e4a997 | 32 | #include "ansidecl.h" |
f6bbde28 ZW |
33 | #include <safe-ctype.h> |
34 | #include <stdio.h> /* for EOF */ | |
35 | ||
36 | /* Shorthand */ | |
37 | #define bl _sch_isblank | |
38 | #define cn _sch_iscntrl | |
39 | #define di _sch_isdigit | |
40 | #define is _sch_isidst | |
41 | #define lo _sch_islower | |
42 | #define nv _sch_isnvsp | |
43 | #define pn _sch_ispunct | |
44 | #define pr _sch_isprint | |
45 | #define sp _sch_isspace | |
46 | #define up _sch_isupper | |
47 | #define vs _sch_isvsp | |
48 | #define xd _sch_isxdigit | |
49 | ||
50 | /* Masks. */ | |
f08b7eee JDA |
51 | #define L (const unsigned short) (lo|is |pr) /* lower case letter */ |
52 | #define XL (const unsigned short) (lo|is|xd|pr) /* lowercase hex digit */ | |
53 | #define U (const unsigned short) (up|is |pr) /* upper case letter */ | |
54 | #define XU (const unsigned short) (up|is|xd|pr) /* uppercase hex digit */ | |
55 | #define D (const unsigned short) (di |xd|pr) /* decimal digit */ | |
56 | #define P (const unsigned short) (pn |pr) /* punctuation */ | |
57 | #define _ (const unsigned short) (pn|is |pr) /* underscore */ | |
f6bbde28 | 58 | |
f08b7eee JDA |
59 | #define C (const unsigned short) ( cn) /* control character */ |
60 | #define Z (const unsigned short) (nv |cn) /* NUL */ | |
61 | #define M (const unsigned short) (nv|sp |cn) /* cursor movement: \f \v */ | |
62 | #define V (const unsigned short) (vs|sp |cn) /* vertical space: \r \n */ | |
63 | #define T (const unsigned short) (nv|sp|bl|cn) /* tab */ | |
64 | #define S (const unsigned short) (nv|sp|bl|pr) /* space */ | |
f6bbde28 ZW |
65 | |
66 | /* Are we ASCII? */ | |
67 | #if '\n' == 0x0A && ' ' == 0x20 && '0' == 0x30 \ | |
68 | && 'A' == 0x41 && 'a' == 0x61 && '!' == 0x21 \ | |
69 | && EOF == -1 | |
70 | ||
71 | const unsigned short _sch_istable[256] = | |
72 | { | |
73 | Z, C, C, C, C, C, C, C, /* NUL SOH STX ETX EOT ENQ ACK BEL */ | |
74 | C, T, V, M, M, V, C, C, /* BS HT LF VT FF CR SO SI */ | |
75 | C, C, C, C, C, C, C, C, /* DLE DC1 DC2 DC3 DC4 NAK SYN ETB */ | |
76 | C, C, C, C, C, C, C, C, /* CAN EM SUB ESC FS GS RS US */ | |
77 | S, P, P, P, P, P, P, P, /* SP ! " # $ % & ' */ | |
78 | P, P, P, P, P, P, P, P, /* ( ) * + , - . / */ | |
79 | D, D, D, D, D, D, D, D, /* 0 1 2 3 4 5 6 7 */ | |
80 | D, D, P, P, P, P, P, P, /* 8 9 : ; < = > ? */ | |
81 | P, XU, XU, XU, XU, XU, XU, U, /* @ A B C D E F G */ | |
82 | U, U, U, U, U, U, U, U, /* H I J K L M N O */ | |
83 | U, U, U, U, U, U, U, U, /* P Q R S T U V W */ | |
84 | U, U, U, P, P, P, P, _, /* X Y Z [ \ ] ^ _ */ | |
85 | P, XL, XL, XL, XL, XL, XL, L, /* ` a b c d e f g */ | |
86 | L, L, L, L, L, L, L, L, /* h i j k l m n o */ | |
87 | L, L, L, L, L, L, L, L, /* p q r s t u v w */ | |
88 | L, L, L, P, P, P, P, C, /* x y z { | } ~ DEL */ | |
89 | ||
90 | /* high half of unsigned char is locale-specific, so all tests are | |
91 | false in "C" locale */ | |
92 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |
93 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |
94 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |
95 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |
96 | ||
97 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |
98 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |
99 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |
100 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, | |
101 | }; | |
102 | ||
103 | const unsigned char _sch_tolower[256] = | |
104 | { | |
105 | 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, | |
106 | 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, | |
107 | 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, | |
108 | 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, | |
109 | 64, | |
110 | ||
111 | 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', | |
112 | 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', | |
113 | ||
114 | 91, 92, 93, 94, 95, 96, | |
115 | ||
116 | 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', | |
117 | 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', | |
118 | ||
119 | 123,124,125,126,127, | |
120 | ||
121 | 128,129,130,131, 132,133,134,135, 136,137,138,139, 140,141,142,143, | |
122 | 144,145,146,147, 148,149,150,151, 152,153,154,155, 156,157,158,159, | |
123 | 160,161,162,163, 164,165,166,167, 168,169,170,171, 172,173,174,175, | |
124 | 176,177,178,179, 180,181,182,183, 184,185,186,187, 188,189,190,191, | |
125 | ||
126 | 192,193,194,195, 196,197,198,199, 200,201,202,203, 204,205,206,207, | |
127 | 208,209,210,211, 212,213,214,215, 216,217,218,219, 220,221,222,223, | |
128 | 224,225,226,227, 228,229,230,231, 232,233,234,235, 236,237,238,239, | |
129 | 240,241,242,243, 244,245,246,247, 248,249,250,251, 252,253,254,255, | |
130 | }; | |
131 | ||
132 | const unsigned char _sch_toupper[256] = | |
133 | { | |
134 | 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, | |
135 | 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, | |
136 | 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, | |
137 | 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, | |
138 | 64, | |
139 | ||
140 | 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', | |
141 | 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z', | |
142 | ||
143 | 91, 92, 93, 94, 95, 96, | |
144 | ||
145 | 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', | |
146 | 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z', | |
147 | ||
148 | 123,124,125,126,127, | |
149 | ||
150 | 128,129,130,131, 132,133,134,135, 136,137,138,139, 140,141,142,143, | |
151 | 144,145,146,147, 148,149,150,151, 152,153,154,155, 156,157,158,159, | |
152 | 160,161,162,163, 164,165,166,167, 168,169,170,171, 172,173,174,175, | |
153 | 176,177,178,179, 180,181,182,183, 184,185,186,187, 188,189,190,191, | |
154 | ||
155 | 192,193,194,195, 196,197,198,199, 200,201,202,203, 204,205,206,207, | |
156 | 208,209,210,211, 212,213,214,215, 216,217,218,219, 220,221,222,223, | |
157 | 224,225,226,227, 228,229,230,231, 232,233,234,235, 236,237,238,239, | |
158 | 240,241,242,243, 244,245,246,247, 248,249,250,251, 252,253,254,255, | |
159 | }; | |
160 | ||
161 | #else | |
162 | #error "Unsupported host character set" | |
163 | #endif /* not ASCII */ |