From 071d4279d6ab81b7187b48f3a0fc61e587b6db6c Mon Sep 17 00:00:00 2001 From: Bram Moolenaar Date: Sun, 13 Jun 2004 20:20:40 +0000 Subject: updated for version 7.0001 --- src/ascii.h | 201 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 201 insertions(+) create mode 100644 src/ascii.h (limited to 'src/ascii.h') diff --git a/src/ascii.h b/src/ascii.h new file mode 100644 index 000000000..8a344ef55 --- /dev/null +++ b/src/ascii.h @@ -0,0 +1,201 @@ +/* vi:set ts=8 sts=4 sw=4: + * + * VIM - Vi IMproved by Bram Moolenaar + * + * Do ":help uganda" in Vim to read copying and usage conditions. + * Do ":help credits" in Vim to see a list of people who contributed. + */ + +/* + * Definitions of various common control characters. + * For EBCDIC we have to use different values. + */ + +#ifndef EBCDIC + +/* IF_EB(ASCII_constant, EBCDIC_constant) */ +#define IF_EB(a, b) a + +#define CharOrd(x) ((x) < 'a' ? (x) - 'A' : (x) - 'a') +#define CharOrdLow(x) ((x) - 'a') +#define CharOrdUp(x) ((x) - 'A') +#define ROT13(c, a) (((((c) - (a)) + 13) % 26) + (a)) + +#define NUL '\000' +#define BELL '\007' +#define BS '\010' +#define TAB '\011' +#define NL '\012' +#define NL_STR (char_u *)"\012" +#define FF '\014' +#define CAR '\015' /* CR is used by Mac OS X */ +#define ESC '\033' +#define ESC_STR (char_u *)"\033" +#define ESC_STR_nc "\033" +#define DEL 0x7f +#define DEL_STR (char_u *)"\177" +#define CSI 0x9b /* Control Sequence Introducer */ +#define CSI_STR "\233" +#define DCS 0x90 /* Device Control String */ +#define STERM 0x9c /* String Terminator */ + +#define POUND 0xA3 + +#define Ctrl_chr(x) (TOUPPER_ASC(x) ^ 0x40) /* '?' -> DEL, '@' -> ^@, etc. */ +#define Meta(x) ((x) | 0x80) + +#define CTRL_F_STR "\006" +#define CTRL_H_STR "\010" +#define CTRL_V_STR "\026" +#define CTRL_W_STR "\027" + +#define Ctrl_AT 0 /* @ */ +#define Ctrl_A 1 +#define Ctrl_B 2 +#define Ctrl_C 3 +#define Ctrl_D 4 +#define Ctrl_E 5 +#define Ctrl_F 6 +#define Ctrl_G 7 +#define Ctrl_H 8 +#define Ctrl_I 9 +#define Ctrl_J 10 +#define Ctrl_K 11 +#define Ctrl_L 12 +#define Ctrl_M 13 +#define Ctrl_N 14 +#define Ctrl_O 15 +#define Ctrl_P 16 +#define Ctrl_Q 17 +#define Ctrl_R 18 +#define Ctrl_S 19 +#define Ctrl_T 20 +#define Ctrl_U 21 +#define Ctrl_V 22 +#define Ctrl_W 23 +#define Ctrl_X 24 +#define Ctrl_Y 25 +#define Ctrl_Z 26 +#define Ctrl_LSB 27 /* [ Left Square Bracket */ +#define Ctrl_BSL 28 /* \ BackSLash */ +#define Ctrl_RSB 29 /* ] Right Square Bracket */ +#define Ctrl_HAT 30 /* ^ */ +#define Ctrl__ 31 + +#else + +/* EBCDIC */ + +/* IF_EB(ASCII_constant, EBCDIC_constant) */ +#define IF_EB(a, b) b + +/* + * Finding the position in the alphabet is not straightforward in EBCDIC. + * There are gaps in the code table. + * 'a' + 1 == 'b', but: 'i' + 7 == 'j' and 'r' + 8 == 's' + */ +#define CharOrd__(c) ((c) < ('j' - 'a') ? (c) : ((c) < ('s' - 'a') ? (c) - 7 : (c) - 7 - 8)) +#define CharOrdLow(x) (CharOrd__((x) - 'a')) +#define CharOrdUp(x) (CharOrd__((x) - 'A')) +#define CharOrd(x) (isupper(x) ? CharOrdUp(x) : CharOrdLow(x)) + +#define EBCDIC_CHAR_ADD_(x) ((x) < 0?'a':(x)>25?'z':"abcdefghijklmnopqrstuvwxyz"[x]) +#define EBCDIC_CHAR_ADD(c,s) (isupper(c) ? toupper(EBCDIC_CHAR_ADD_(CharOrdUp(c)+(s))) : EBCDIC_CHAR_ADD_(CharOrdLow(c)+(s))) + +#define R13_(c) ("abcdefghijklmnopqrstuvwxyz"[((c) + 13) % 26]) +#define ROT13(c, a) (isupper(c) ? toupper(R13_(CharOrdUp(c))) : R13_(CharOrdLow(c))) + +#define NUL '\000' +#define BELL '\x2f' +#define BS '\x16' +#define TAB '\x05' +#define NL '\x15' +#define NL_STR (char_u *)"\x15" +#define FF '\x0C' +#define CAR '\x0D' +#define ESC '\x27' +#define ESC_STR (char_u *)"\x27" +#define ESC_STR_nc "\x27" +#define DEL 0x07 +#define DEL_STR (char_u *)"\007" +/* TODO: EBCDIC Code page dependent (here 1047) */ +#define CSI 0x9b /* Control Sequence Introducer */ +#define CSI_STR "\233" +#define DCS 0x90 /* Device Control String */ +#define STERM 0x9c /* String Terminator */ + +#define POUND '£' + +#define CTRL_F_STR "\056" +#define CTRL_H_STR "\026" +#define CTRL_V_STR "\062" +#define CTRL_W_STR "\046" + +#define Ctrl_AT 0x00 /* @ */ +#define Ctrl_A 0x01 +#define Ctrl_B 0x02 +#define Ctrl_C 0x03 +#define Ctrl_D 0x37 +#define Ctrl_E 0x2D +#define Ctrl_F 0x2E +#define Ctrl_G 0x2F +#define Ctrl_H 0x16 +#define Ctrl_I 0x05 +#define Ctrl_J 0x15 +#define Ctrl_K 0x0B +#define Ctrl_L 0x0C +#define Ctrl_M 0x0D +#define Ctrl_N 0x0E +#define Ctrl_O 0x0F +#define Ctrl_P 0x10 +#define Ctrl_Q 0x11 +#define Ctrl_R 0x12 +#define Ctrl_S 0x13 +#define Ctrl_T 0x3C +#define Ctrl_U 0x3D +#define Ctrl_V 0x32 +#define Ctrl_W 0x26 +#define Ctrl_X 0x18 +#define Ctrl_Y 0x19 +#define Ctrl_Z 0x3F +#define Ctrl_LSB 0x27 /* [ Left Square Bracket */ +#define Ctrl_RSB 0x1D /* ] Right Square Bracket */ +#define Ctrl_BSL 0x1C /* \ BackSLash */ +#define Ctrl_HAT 0x1E /* ^ */ +#define Ctrl__ 0x1F + +#define Ctrl_chr(x) (CtrlTable[(x)]) +extern char CtrlTable[]; + +#define CtrlChar(x) ((x < ' ') ? CtrlCharTable[(x)] : 0) +extern char CtrlCharTable[]; + +#define MetaChar(x) ((x < ' ') ? MetaCharTable[(x)] : 0) +extern char MetaCharTable[]; + +#endif /* defined EBCDIC */ + +/* + * Character that separates dir names in a path. + * For MS-DOS, WIN32 and OS/2 we use a backslash. A slash mostly works + * fine, but there are places where it doesn't (e.g. in a command name). + * For Macintosh we use a colon. + * For Acorn we use a dot. + */ +#ifdef BACKSLASH_IN_FILENAME +# define PATHSEP psepc +# define PATHSEPSTR pseps +#else +# ifdef COLON_AS_PATHSEP +# define PATHSEP ':' +# define PATHSEPSTR ":" +# else +# ifdef RISCOS +# define PATHSEP '.' +# define PATHSEPSTR "." +# else +# define PATHSEP '/' +# define PATHSEPSTR "/" +# endif +# endif +#endif -- cgit v1.2.1