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Bram Moolenaar071d4272004-06-13 20:20:40 +00001/* vi:set ts=8 sts=4 sw=4:
2 *
3 * VIM - Vi IMproved by Bram Moolenaar
4 *
5 * Do ":help uganda" in Vim to read copying and usage conditions.
6 * Do ":help credits" in Vim to see a list of people who contributed.
7 */
8
9/*
10 * Definitions of various common control characters.
11 * For EBCDIC we have to use different values.
12 */
13
14#ifndef EBCDIC
15
16/* IF_EB(ASCII_constant, EBCDIC_constant) */
17#define IF_EB(a, b) a
18
19#define CharOrd(x) ((x) < 'a' ? (x) - 'A' : (x) - 'a')
20#define CharOrdLow(x) ((x) - 'a')
21#define CharOrdUp(x) ((x) - 'A')
22#define ROT13(c, a) (((((c) - (a)) + 13) % 26) + (a))
23
24#define NUL '\000'
25#define BELL '\007'
26#define BS '\010'
27#define TAB '\011'
28#define NL '\012'
29#define NL_STR (char_u *)"\012"
30#define FF '\014'
31#define CAR '\015' /* CR is used by Mac OS X */
32#define ESC '\033'
33#define ESC_STR (char_u *)"\033"
34#define ESC_STR_nc "\033"
35#define DEL 0x7f
36#define DEL_STR (char_u *)"\177"
37#define CSI 0x9b /* Control Sequence Introducer */
38#define CSI_STR "\233"
39#define DCS 0x90 /* Device Control String */
40#define STERM 0x9c /* String Terminator */
41
42#define POUND 0xA3
43
44#define Ctrl_chr(x) (TOUPPER_ASC(x) ^ 0x40) /* '?' -> DEL, '@' -> ^@, etc. */
45#define Meta(x) ((x) | 0x80)
46
47#define CTRL_F_STR "\006"
48#define CTRL_H_STR "\010"
49#define CTRL_V_STR "\026"
50#define CTRL_W_STR "\027"
51
52#define Ctrl_AT 0 /* @ */
53#define Ctrl_A 1
54#define Ctrl_B 2
55#define Ctrl_C 3
56#define Ctrl_D 4
57#define Ctrl_E 5
58#define Ctrl_F 6
59#define Ctrl_G 7
60#define Ctrl_H 8
61#define Ctrl_I 9
62#define Ctrl_J 10
63#define Ctrl_K 11
64#define Ctrl_L 12
65#define Ctrl_M 13
66#define Ctrl_N 14
67#define Ctrl_O 15
68#define Ctrl_P 16
69#define Ctrl_Q 17
70#define Ctrl_R 18
71#define Ctrl_S 19
72#define Ctrl_T 20
73#define Ctrl_U 21
74#define Ctrl_V 22
75#define Ctrl_W 23
76#define Ctrl_X 24
77#define Ctrl_Y 25
78#define Ctrl_Z 26
79#define Ctrl_LSB 27 /* [ Left Square Bracket */
80#define Ctrl_BSL 28 /* \ BackSLash */
81#define Ctrl_RSB 29 /* ] Right Square Bracket */
82#define Ctrl_HAT 30 /* ^ */
83#define Ctrl__ 31
84
85#else
86
87/* EBCDIC */
88
89/* IF_EB(ASCII_constant, EBCDIC_constant) */
90#define IF_EB(a, b) b
91
92/*
93 * Finding the position in the alphabet is not straightforward in EBCDIC.
94 * There are gaps in the code table.
95 * 'a' + 1 == 'b', but: 'i' + 7 == 'j' and 'r' + 8 == 's'
96 */
97#define CharOrd__(c) ((c) < ('j' - 'a') ? (c) : ((c) < ('s' - 'a') ? (c) - 7 : (c) - 7 - 8))
98#define CharOrdLow(x) (CharOrd__((x) - 'a'))
99#define CharOrdUp(x) (CharOrd__((x) - 'A'))
100#define CharOrd(x) (isupper(x) ? CharOrdUp(x) : CharOrdLow(x))
101
102#define EBCDIC_CHAR_ADD_(x) ((x) < 0?'a':(x)>25?'z':"abcdefghijklmnopqrstuvwxyz"[x])
103#define EBCDIC_CHAR_ADD(c,s) (isupper(c) ? toupper(EBCDIC_CHAR_ADD_(CharOrdUp(c)+(s))) : EBCDIC_CHAR_ADD_(CharOrdLow(c)+(s)))
104
105#define R13_(c) ("abcdefghijklmnopqrstuvwxyz"[((c) + 13) % 26])
106#define ROT13(c, a) (isupper(c) ? toupper(R13_(CharOrdUp(c))) : R13_(CharOrdLow(c)))
107
108#define NUL '\000'
109#define BELL '\x2f'
110#define BS '\x16'
111#define TAB '\x05'
112#define NL '\x15'
113#define NL_STR (char_u *)"\x15"
114#define FF '\x0C'
115#define CAR '\x0D'
116#define ESC '\x27'
117#define ESC_STR (char_u *)"\x27"
118#define ESC_STR_nc "\x27"
119#define DEL 0x07
120#define DEL_STR (char_u *)"\007"
121/* TODO: EBCDIC Code page dependent (here 1047) */
122#define CSI 0x9b /* Control Sequence Introducer */
123#define CSI_STR "\233"
124#define DCS 0x90 /* Device Control String */
125#define STERM 0x9c /* String Terminator */
126
127#define POUND '£'
128
129#define CTRL_F_STR "\056"
130#define CTRL_H_STR "\026"
131#define CTRL_V_STR "\062"
132#define CTRL_W_STR "\046"
133
134#define Ctrl_AT 0x00 /* @ */
135#define Ctrl_A 0x01
136#define Ctrl_B 0x02
137#define Ctrl_C 0x03
138#define Ctrl_D 0x37
139#define Ctrl_E 0x2D
140#define Ctrl_F 0x2E
141#define Ctrl_G 0x2F
142#define Ctrl_H 0x16
143#define Ctrl_I 0x05
144#define Ctrl_J 0x15
145#define Ctrl_K 0x0B
146#define Ctrl_L 0x0C
147#define Ctrl_M 0x0D
148#define Ctrl_N 0x0E
149#define Ctrl_O 0x0F
150#define Ctrl_P 0x10
151#define Ctrl_Q 0x11
152#define Ctrl_R 0x12
153#define Ctrl_S 0x13
154#define Ctrl_T 0x3C
155#define Ctrl_U 0x3D
156#define Ctrl_V 0x32
157#define Ctrl_W 0x26
158#define Ctrl_X 0x18
159#define Ctrl_Y 0x19
160#define Ctrl_Z 0x3F
161#define Ctrl_LSB 0x27 /* [ Left Square Bracket */
162#define Ctrl_RSB 0x1D /* ] Right Square Bracket */
163#define Ctrl_BSL 0x1C /* \ BackSLash */
164#define Ctrl_HAT 0x1E /* ^ */
165#define Ctrl__ 0x1F
166
167#define Ctrl_chr(x) (CtrlTable[(x)])
168extern char CtrlTable[];
169
170#define CtrlChar(x) ((x < ' ') ? CtrlCharTable[(x)] : 0)
171extern char CtrlCharTable[];
172
173#define MetaChar(x) ((x < ' ') ? MetaCharTable[(x)] : 0)
174extern char MetaCharTable[];
175
176#endif /* defined EBCDIC */
177
178/*
179 * Character that separates dir names in a path.
180 * For MS-DOS, WIN32 and OS/2 we use a backslash. A slash mostly works
181 * fine, but there are places where it doesn't (e.g. in a command name).
182 * For Macintosh we use a colon.
183 * For Acorn we use a dot.
184 */
185#ifdef BACKSLASH_IN_FILENAME
186# define PATHSEP psepc
187# define PATHSEPSTR pseps
188#else
189# ifdef COLON_AS_PATHSEP
190# define PATHSEP ':'
191# define PATHSEPSTR ":"
192# else
193# ifdef RISCOS
194# define PATHSEP '.'
195# define PATHSEPSTR "."
196# else
197# define PATHSEP '/'
198# define PATHSEPSTR "/"
199# endif
200# endif
201#endif