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synced 2025-10-30 09:47:20 -04:00
e60acc180b
Problem: The RISC OS port has obvious errors and is not being maintained. Solution: Remove the RISC OS files and code.
189 lines
4.8 KiB
C
189 lines
4.8 KiB
C
/* vi:set ts=8 sts=4 sw=4:
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*
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* VIM - Vi IMproved by Bram Moolenaar
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*
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* Do ":help uganda" in Vim to read copying and usage conditions.
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* Do ":help credits" in Vim to see a list of people who contributed.
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*/
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/*
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* Definitions of various common control characters.
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* For EBCDIC we have to use different values.
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*/
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#ifndef EBCDIC
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/* IF_EB(ASCII_constant, EBCDIC_constant) */
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#define IF_EB(a, b) a
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#define CharOrd(x) ((x) < 'a' ? (x) - 'A' : (x) - 'a')
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#define CharOrdLow(x) ((x) - 'a')
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#define CharOrdUp(x) ((x) - 'A')
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#define ROT13(c, a) (((((c) - (a)) + 13) % 26) + (a))
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#define NUL '\000'
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#define BELL '\007'
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#define BS '\010'
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#define TAB '\011'
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#define NL '\012'
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#define NL_STR (char_u *)"\012"
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#define FF '\014'
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#define CAR '\015' /* CR is used by Mac OS X */
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#define ESC '\033'
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#define ESC_STR (char_u *)"\033"
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#define ESC_STR_nc "\033"
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#define DEL 0x7f
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#define DEL_STR (char_u *)"\177"
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#define CSI 0x9b /* Control Sequence Introducer */
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#define CSI_STR "\233"
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#define DCS 0x90 /* Device Control String */
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#define STERM 0x9c /* String Terminator */
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#define POUND 0xA3
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#define Ctrl_chr(x) (TOUPPER_ASC(x) ^ 0x40) /* '?' -> DEL, '@' -> ^@, etc. */
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#define Meta(x) ((x) | 0x80)
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#define CTRL_F_STR "\006"
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#define CTRL_H_STR "\010"
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#define CTRL_V_STR "\026"
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#define Ctrl_AT 0 /* @ */
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#define Ctrl_A 1
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#define Ctrl_B 2
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#define Ctrl_C 3
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#define Ctrl_D 4
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#define Ctrl_E 5
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#define Ctrl_F 6
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#define Ctrl_G 7
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#define Ctrl_H 8
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#define Ctrl_I 9
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#define Ctrl_J 10
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#define Ctrl_K 11
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#define Ctrl_L 12
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#define Ctrl_M 13
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#define Ctrl_N 14
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#define Ctrl_O 15
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#define Ctrl_P 16
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#define Ctrl_Q 17
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#define Ctrl_R 18
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#define Ctrl_S 19
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#define Ctrl_T 20
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#define Ctrl_U 21
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#define Ctrl_V 22
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#define Ctrl_W 23
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#define Ctrl_X 24
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#define Ctrl_Y 25
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#define Ctrl_Z 26
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/* CTRL- [ Left Square Bracket == ESC*/
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#define Ctrl_BSL 28 /* \ BackSLash */
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#define Ctrl_RSB 29 /* ] Right Square Bracket */
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#define Ctrl_HAT 30 /* ^ */
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#define Ctrl__ 31
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#else
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/* EBCDIC */
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/* IF_EB(ASCII_constant, EBCDIC_constant) */
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#define IF_EB(a, b) b
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/*
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* Finding the position in the alphabet is not straightforward in EBCDIC.
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* There are gaps in the code table.
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* 'a' + 1 == 'b', but: 'i' + 7 == 'j' and 'r' + 8 == 's'
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*/
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#define CharOrd__(c) ((c) < ('j' - 'a') ? (c) : ((c) < ('s' - 'a') ? (c) - 7 : (c) - 7 - 8))
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#define CharOrdLow(x) (CharOrd__((x) - 'a'))
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#define CharOrdUp(x) (CharOrd__((x) - 'A'))
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#define CharOrd(x) (isupper(x) ? CharOrdUp(x) : CharOrdLow(x))
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#define EBCDIC_CHAR_ADD_(x) ((x) < 0?'a':(x)>25?'z':"abcdefghijklmnopqrstuvwxyz"[x])
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#define EBCDIC_CHAR_ADD(c,s) (isupper(c) ? toupper(EBCDIC_CHAR_ADD_(CharOrdUp(c)+(s))) : EBCDIC_CHAR_ADD_(CharOrdLow(c)+(s)))
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#define R13_(c) ("abcdefghijklmnopqrstuvwxyz"[((c) + 13) % 26])
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#define ROT13(c, a) (isupper(c) ? toupper(R13_(CharOrdUp(c))) : R13_(CharOrdLow(c)))
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#define NUL '\000'
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#define BELL '\x2f'
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#define BS '\x16'
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#define TAB '\x05'
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#define NL '\x15'
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#define NL_STR (char_u *)"\x15"
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#define FF '\x0C'
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#define CAR '\x0D'
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#define ESC '\x27'
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#define ESC_STR (char_u *)"\x27"
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#define ESC_STR_nc "\x27"
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#define DEL 0x07
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#define DEL_STR (char_u *)"\007"
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/* TODO: EBCDIC Code page dependent (here 1047) */
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#define CSI 0x9b /* Control Sequence Introducer */
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#define CSI_STR "\233"
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#define DCS 0x90 /* Device Control String */
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#define STERM 0x9c /* String Terminator */
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#define POUND '<27>'
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#define CTRL_F_STR "\056"
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#define CTRL_H_STR "\026"
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#define CTRL_V_STR "\062"
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#define Ctrl_AT 0x00 /* @ */
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#define Ctrl_A 0x01
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#define Ctrl_B 0x02
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#define Ctrl_C 0x03
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#define Ctrl_D 0x37
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#define Ctrl_E 0x2D
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#define Ctrl_F 0x2E
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#define Ctrl_G 0x2F
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#define Ctrl_H 0x16
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#define Ctrl_I 0x05
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#define Ctrl_J 0x15
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#define Ctrl_K 0x0B
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#define Ctrl_L 0x0C
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#define Ctrl_M 0x0D
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#define Ctrl_N 0x0E
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#define Ctrl_O 0x0F
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#define Ctrl_P 0x10
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#define Ctrl_Q 0x11
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#define Ctrl_R 0x12
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#define Ctrl_S 0x13
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#define Ctrl_T 0x3C
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#define Ctrl_U 0x3D
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#define Ctrl_V 0x32
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#define Ctrl_W 0x26
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#define Ctrl_X 0x18
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#define Ctrl_Y 0x19
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#define Ctrl_Z 0x3F
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/* CTRL- [ Left Square Bracket == ESC*/
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#define Ctrl_RSB 0x1D /* ] Right Square Bracket */
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#define Ctrl_BSL 0x1C /* \ BackSLash */
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#define Ctrl_HAT 0x1E /* ^ */
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#define Ctrl__ 0x1F
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#define Ctrl_chr(x) (CtrlTable[(x)])
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extern char CtrlTable[];
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#define CtrlChar(x) ((x < ' ') ? CtrlCharTable[(x)] : 0)
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extern char CtrlCharTable[];
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#define MetaChar(x) ((x < ' ') ? MetaCharTable[(x)] : 0)
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extern char MetaCharTable[];
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#endif /* defined EBCDIC */
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/*
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* Character that separates dir names in a path.
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* For MS-DOS, WIN32 and OS/2 we use a backslash. A slash mostly works
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* fine, but there are places where it doesn't (e.g. in a command name).
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* For Acorn we use a dot.
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*/
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#ifdef BACKSLASH_IN_FILENAME
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# define PATHSEP psepc
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# define PATHSEPSTR pseps
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#else
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# define PATHSEP '/'
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# define PATHSEPSTR "/"
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#endif
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