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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 13:18:03 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 13:18:03 +0000
commitafce081b90c1e2c50c3507758c7558a0dfa1f33e (patch)
tree3fb840f0bd9de41b463443ddf17131a0ad77f226 /src/ascii.h
parentInitial commit. (diff)
downloadvim-afce081b90c1e2c50c3507758c7558a0dfa1f33e.tar.xz
vim-afce081b90c1e2c50c3507758c7558a0dfa1f33e.zip
Adding upstream version 2:8.2.2434.upstream/2%8.2.2434upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/ascii.h')
-rw-r--r--src/ascii.h186
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+/* vi:set ts=8 sts=4 sw=4 noet:
+ *
+ * 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 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_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
+ // CTRL- [ Left Square Bracket == ESC
+#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"
+
+#define POUND 0xB1
+
+#define CTRL_F_STR "\056"
+#define CTRL_H_STR "\026"
+#define CTRL_V_STR "\062"
+
+#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
+ // CTRL- [ Left Square Bracket == ESC
+#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
+
+// TODO: EBCDIC Code page dependent (here 1047)
+#define CSI 0x9b // Control Sequence Introducer
+#define CSI_STR "\233"
+#define DCS 0x90 // Device Control String
+#define OSC 0x9d // Operating System Command
+#define STERM 0x9c // String Terminator
+
+/*
+ * 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 Acorn we use a dot.
+ */
+#ifdef BACKSLASH_IN_FILENAME
+# define PATHSEP psepc
+# define PATHSEPSTR pseps
+#else
+# define PATHSEP '/'
+# define PATHSEPSTR "/"
+#endif