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-rw-r--r--contrib/nvi/vi/v_cmd.c505
1 files changed, 505 insertions, 0 deletions
diff --git a/contrib/nvi/vi/v_cmd.c b/contrib/nvi/vi/v_cmd.c
new file mode 100644
index 0000000..cc9e30f
--- /dev/null
+++ b/contrib/nvi/vi/v_cmd.c
@@ -0,0 +1,505 @@
+/*-
+ * Copyright (c) 1992, 1993, 1994
+ * The Regents of the University of California. All rights reserved.
+ * Copyright (c) 1992, 1993, 1994, 1995, 1996
+ * Keith Bostic. All rights reserved.
+ *
+ * See the LICENSE file for redistribution information.
+ */
+
+#include "config.h"
+
+#ifndef lint
+static const char sccsid[] = "@(#)v_cmd.c 10.9 (Berkeley) 3/28/96";
+#endif /* not lint */
+
+#include <sys/types.h>
+#include <sys/queue.h>
+#include <sys/time.h>
+
+#include <bitstring.h>
+#include <limits.h>
+#include <stdio.h>
+
+#include "../common/common.h"
+#include "vi.h"
+
+/*
+ * This array maps keystrokes to vi command functions. It is known
+ * in ex/ex_usage.c that it takes four columns to name a vi character.
+ */
+VIKEYS const vikeys [MAXVIKEY + 1] = {
+/* 000 NUL -- The code in vi.c expects key 0 to be undefined. */
+ {NULL},
+/* 001 ^A */
+ {v_searchw, V_ABS|V_CNT|V_MOVE|V_KEYW|VM_CUTREQ|VM_RCM_SET,
+ "[count]^A",
+ "^A search forward for cursor word"},
+/* 002 ^B */
+ {v_pageup, V_CNT|VM_RCM_SET,
+ "[count]^B",
+ "^B scroll up by screens"},
+/* 003 ^C */
+ {NULL, 0,
+ "^C",
+ "^C interrupt an operation (e.g. read, write, search)"},
+/* 004 ^D */
+ {v_hpagedown, V_CNT|VM_RCM_SET,
+ "[count]^D",
+ "^D scroll down by half screens (setting count)"},
+/* 005 ^E */
+ {v_linedown, V_CNT,
+ "[count]^E",
+ "^E scroll down by lines"},
+/* 006 ^F */
+ {v_pagedown, V_CNT|VM_RCM_SET,
+ "[count]^F",
+ "^F scroll down by screens"},
+/* 007 ^G */
+ {v_status, 0,
+ "^G",
+ "^G file status"},
+/* 010 ^H */
+ {v_left, V_CNT|V_MOVE|VM_RCM_SET,
+ "[count]^H",
+ "^H move left by characters"},
+/* 011 ^I */
+ {NULL},
+/* 012 ^J */
+ {v_down, V_CNT|V_MOVE|VM_LMODE|VM_RCM,
+ "[count]^J",
+ "^J move down by lines"},
+/* 013 ^K */
+ {NULL},
+/* 014 ^L */
+ {v_redraw, 0,
+ "^L",
+ "^L redraw screen"},
+/* 015 ^M */
+ {v_cr, V_CNT|V_MOVE|VM_LMODE|VM_RCM_SETFNB,
+ "[count]^M",
+ "^M move down by lines (to first non-blank)"},
+/* 016 ^N */
+ {v_down, V_CNT|V_MOVE|VM_LMODE|VM_RCM,
+ "[count]^N",
+ "^N move down by lines"},
+/* 017 ^O */
+ {NULL},
+/* 020 ^P */
+ {v_up, V_CNT|V_MOVE|VM_LMODE|VM_RCM,
+ "[count]^P",
+ "^P move up by lines"},
+/* 021 ^Q -- same as ^V if not used for hardware flow control. */
+ {NULL},
+/* 022 ^R */
+ {v_redraw, 0,
+ "^R",
+ "^R redraw screen"},
+/* 023 ^S -- not available, used for hardware flow control. */
+ {NULL},
+/* 024 ^T */
+ {v_tagpop, V_ABS|VM_RCM_SET,
+ "^T",
+ "^T tag pop"},
+/* 025 ^U */
+ {v_hpageup, V_CNT|VM_RCM_SET,
+ "[count]^U",
+ "^U half page up (set count)"},
+/* 026 ^V */
+ {NULL, 0,
+ "^V",
+ "^V input a literal character"},
+/* 027 ^W */
+ {v_screen, 0,
+ "^W",
+ "^W move to next screen"},
+/* 030 ^X */
+ {NULL},
+/* 031 ^Y */
+ {v_lineup, V_CNT,
+ "[count]^Y",
+ "^Y page up by lines"},
+/* 032 ^Z */
+ {v_suspend, V_SECURE,
+ "^Z",
+ "^Z suspend editor"},
+/* 033 ^[ */
+ {NULL, 0,
+ "^[ <escape>",
+ "^[ <escape> exit input mode, cancel partial commands"},
+/* 034 ^\ */
+ {v_exmode, 0,
+ "^\\",
+ " ^\\ switch to ex mode"},
+/* 035 ^] */
+ {v_tagpush, V_ABS|V_KEYW|VM_RCM_SET,
+ "^]",
+ "^] tag push cursor word"},
+/* 036 ^^ */
+ {v_switch, 0,
+ "^^",
+ "^^ switch to previous file"},
+/* 037 ^_ */
+ {NULL},
+/* 040 ' ' */
+ {v_right, V_CNT|V_MOVE|VM_RCM_SET,
+ "[count]' '",
+ " <space> move right by columns"},
+/* 041 ! */
+ {v_filter, V_CNT|V_DOT|V_MOTION|V_SECURE|VM_RCM_SET,
+ "[count]![count]motion command(s)",
+ " ! filter through command(s) to motion"},
+/* 042 " */
+ {NULL},
+/* 043 # */
+ {v_increment, V_CHAR|V_CNT|V_DOT|VM_RCM_SET,
+ "[count]# +|-|#",
+ " # number increment/decrement"},
+/* 044 $ */
+ {v_dollar, V_CNT|V_MOVE|VM_RCM_SETLAST,
+ " [count]$",
+ " $ move to last column"},
+/* 045 % */
+ {v_match, V_ABS|V_CNT|V_MOVE|VM_CUTREQ|VM_RCM_SET,
+ "%",
+ " % move to match"},
+/* 046 & */
+ {v_again, 0,
+ "&",
+ " & repeat substitution"},
+/* 047 ' */
+ {v_fmark, V_ABS_L|V_CHAR|V_MOVE|VM_LMODE|VM_RCM_SET,
+ "'['a-z]",
+ " ' move to mark (to first non-blank)"},
+/* 050 ( */
+ {v_sentenceb, V_ABS|V_CNT|V_MOVE|VM_CUTREQ|VM_RCM_SET,
+ "[count](",
+ " ( move back sentence"},
+/* 051 ) */
+ {v_sentencef, V_ABS|V_CNT|V_MOVE|VM_CUTREQ|VM_RCM_SET,
+ "[count])",
+ " ) move forward sentence"},
+/* 052 * */
+ {NULL},
+/* 053 + */
+ {v_down, V_CNT|V_MOVE|VM_LMODE|VM_RCM_SETFNB,
+ "[count]+",
+ " + move down by lines (to first non-blank)"},
+/* 054 , */
+ {v_chrrepeat, V_CNT|V_MOVE|VM_RCM_SET,
+ "[count],",
+ " , reverse last F, f, T or t search"},
+/* 055 - */
+ {v_up, V_CNT|V_MOVE|VM_LMODE|VM_RCM_SETFNB,
+ "[count]-",
+ " - move up by lines (to first non-blank)"},
+/* 056 . */
+ {NULL, 0,
+ ".",
+ " . repeat the last command"},
+/* 057 / */
+ {v_searchf, V_ABS_C|V_MOVE|VM_CUTREQ|VM_RCM_SET,
+ "/RE[/ offset]",
+ " / search forward"},
+/* 060 0 */
+ {v_zero, V_MOVE|VM_RCM_SET,
+ "0",
+ " 0 move to first character"},
+/* 061 1 */
+ {NULL},
+/* 062 2 */
+ {NULL},
+/* 063 3 */
+ {NULL},
+/* 064 4 */
+ {NULL},
+/* 065 5 */
+ {NULL},
+/* 066 6 */
+ {NULL},
+/* 067 7 */
+ {NULL},
+/* 070 8 */
+ {NULL},
+/* 071 9 */
+ {NULL},
+/* 072 : */
+ {v_ex, 0,
+ ":command [| command] ...",
+ " : ex command"},
+/* 073 ; */
+ {v_chrepeat, V_CNT|V_MOVE|VM_RCM_SET,
+ "[count];",
+ " ; repeat last F, f, T or t search"},
+/* 074 < */
+ {v_shiftl, V_CNT|V_DOT|V_MOTION|VM_RCM_SET,
+ "[count]<[count]motion",
+ " < shift lines left to motion"},
+/* 075 = */
+ {NULL},
+/* 076 > */
+ {v_shiftr, V_CNT|V_DOT|V_MOTION|VM_RCM_SET,
+ "[count]>[count]motion",
+ " > shift lines right to motion"},
+/* 077 ? */
+ {v_searchb, V_ABS_C|V_MOVE|VM_CUTREQ|VM_RCM_SET,
+ "?RE[? offset]",
+ " ? search backward"},
+/* 100 @ */
+ {v_at, V_CNT|V_RBUF|VM_RCM_SET,
+ "@buffer",
+ " @ execute buffer"},
+/* 101 A */
+ {v_iA, V_CNT|V_DOT|VM_RCM_SET,
+ "[count]A",
+ " A append to the line"},
+/* 102 B */
+ {v_wordB, V_CNT|V_MOVE|VM_RCM_SET,
+ "[count]B",
+ " B move back bigword"},
+/* 103 C */
+ {NULL, 0,
+ "[buffer][count]C",
+ " C change to end-of-line"},
+/* 104 D */
+ {NULL, 0,
+ "[buffer]D",
+ " D delete to end-of-line"},
+/* 105 E */
+ {v_wordE, V_CNT|V_MOVE|VM_RCM_SET,
+ "[count]E",
+ " E move to end of bigword"},
+/* 106 F */
+ {v_chF, V_CHAR|V_CNT|V_MOVE|VM_RCM_SET,
+ "[count]F character",
+ " F character in line backward search"},
+/* 107 G */
+ {v_lgoto, V_ABS_L|V_CNT|V_MOVE|VM_LMODE|VM_RCM_SETFNB,
+ "[count]G",
+ " G move to line"},
+/* 110 H */
+ {v_home, V_ABS_L|V_CNT|V_MOVE|VM_LMODE|VM_RCM_SETNNB,
+ "[count]H",
+ " H move to count lines from screen top"},
+/* 111 I */
+ {v_iI, V_CNT|V_DOT|VM_RCM_SET,
+ "[count]I",
+ " I insert before first nonblank"},
+/* 112 J */
+ {v_join, V_CNT|V_DOT|VM_RCM_SET,
+ "[count]J",
+ " J join lines"},
+/* 113 K */
+ {NULL},
+/* 114 L */
+ {v_bottom, V_ABS_L|V_CNT|V_MOVE|VM_LMODE|VM_RCM_SETNNB,
+ "[count]L",
+ " L move to screen bottom"},
+/* 115 M */
+ {v_middle, V_ABS_L|V_CNT|V_MOVE|VM_LMODE|VM_RCM_SETNNB,
+ "M",
+ " M move to screen middle"},
+/* 116 N */
+ {v_searchN, V_ABS_C|V_MOVE|VM_CUTREQ|VM_RCM_SET,
+ "n",
+ " N reverse last search"},
+/* 117 O */
+ {v_iO, V_CNT|V_DOT|VM_RCM_SET,
+ "[count]O",
+ " O insert above line"},
+/* 120 P */
+ {v_Put, V_CNT|V_DOT|V_OBUF|VM_RCM_SET,
+ "[buffer]P",
+ " P insert before cursor from buffer"},
+/* 121 Q */
+ {v_exmode, 0,
+ "Q",
+ " Q switch to ex mode"},
+/* 122 R */
+ {v_Replace, V_CNT|V_DOT|VM_RCM_SET,
+ "[count]R",
+ " R replace characters"},
+/* 123 S */
+ {NULL, 0,
+ "[buffer][count]S",
+ " S substitute for the line(s)"},
+/* 124 T */
+ {v_chT, V_CHAR|V_CNT|V_MOVE|VM_RCM_SET,
+ "[count]T character",
+ " T before character in line backward search"},
+/* 125 U */
+ {v_Undo, VM_RCM_SET,
+ "U",
+ " U Restore the current line"},
+/* 126 V */
+ {NULL},
+/* 127 W */
+ {v_wordW, V_CNT|V_MOVE|VM_RCM_SET,
+ "[count]W",
+ " W move to next bigword"},
+/* 130 X */
+ {v_Xchar, V_CNT|V_DOT|V_OBUF|VM_RCM_SET,
+ "[buffer][count]X",
+ " X delete character before cursor"},
+/* 131 Y */
+ {NULL, 0,
+ "[buffer][count]Y",
+ " Y copy line"},
+/* 132 Z */
+ {v_zexit, 0,
+ "ZZ",
+ "ZZ save file and exit"},
+/* 133 [ */
+ {v_sectionb, V_ABS|V_CNT|V_MOVE|VM_RCM_SET,
+ "[[",
+ "[[ move back section"},
+/* 134 \ */
+ {NULL},
+/* 135 ] */
+ {v_sectionf, V_ABS|V_CNT|V_MOVE|VM_RCM_SET,
+ "]]",
+ "]] move forward section"},
+/* 136 ^ */
+ /*
+ * DON'T set the VM_RCM_SETFNB flag, the function has to do the work
+ * anyway, in case it's a motion component. DO set VM_RCM_SET, so
+ * that any motion that's part of a command is preserved.
+ */
+ {v_first, V_CNT|V_MOVE|VM_RCM_SET,
+ "^",
+ " ^ move to first non-blank"},
+/* 137 _ */
+ /*
+ * Needs both to set the VM_RCM_SETFNB flag, and to do the work
+ * in the function, in case it's a delete.
+ */
+ {v_cfirst, V_CNT|V_MOVE|VM_RCM_SETFNB,
+ "_",
+ " _ move to first non-blank"},
+/* 140 ` */
+ {v_bmark, V_ABS_C|V_CHAR|V_MOVE|VM_CUTREQ|VM_RCM_SET,
+ "`[`a-z]",
+ " ` move to mark"},
+/* 141 a */
+ {v_ia, V_CNT|V_DOT|VM_RCM_SET,
+ "[count]a",
+ " a append after cursor"},
+/* 142 b */
+ {v_wordb, V_CNT|V_MOVE|VM_RCM_SET,
+ "[count]b",
+ " b move back word"},
+/* 143 c */
+ {v_change, V_CNT|V_DOT|V_MOTION|V_OBUF|VM_RCM_SET,
+ "[buffer][count]c[count]motion",
+ " c change to motion"},
+/* 144 d */
+ {v_delete, V_CNT|V_DOT|V_MOTION|V_OBUF|VM_RCM_SET,
+ "[buffer][count]d[count]motion",
+ " d delete to motion"},
+/* 145 e */
+ {v_worde, V_CNT|V_MOVE|VM_RCM_SET,
+ "[count]e",
+ " e move to end of word"},
+/* 146 f */
+ {v_chf, V_CHAR|V_CNT|V_MOVE|VM_RCM_SET,
+ "[count]f character",
+ " f character in line forward search"},
+/* 147 g */
+ {NULL},
+/* 150 h */
+ {v_left, V_CNT|V_MOVE|VM_RCM_SET,
+ "[count]h",
+ " h move left by columns"},
+/* 151 i */
+ {v_ii, V_CNT|V_DOT|VM_RCM_SET,
+ "[count]i",
+ " i insert before cursor"},
+/* 152 j */
+ {v_down, V_CNT|V_MOVE|VM_LMODE|VM_RCM,
+ "[count]j",
+ " j move down by lines"},
+/* 153 k */
+ {v_up, V_CNT|V_MOVE|VM_LMODE|VM_RCM,
+ "[count]k",
+ " k move up by lines"},
+/* 154 l */
+ {v_right, V_CNT|V_MOVE|VM_RCM_SET,
+ "[count]l",
+ " l move right by columns"},
+/* 155 m */
+ {v_mark, V_CHAR,
+ "m[a-z]",
+ " m set mark"},
+/* 156 n */
+ {v_searchn, V_ABS_C|V_MOVE|VM_CUTREQ|VM_RCM_SET,
+ "n",
+ " n repeat last search"},
+/* 157 o */
+ {v_io, V_CNT|V_DOT|VM_RCM_SET,
+ "[count]o",
+ " o append after line"},
+/* 160 p */
+ {v_put, V_CNT|V_DOT|V_OBUF|VM_RCM_SET,
+ "[buffer]p",
+ " p insert after cursor from buffer"},
+/* 161 q */
+ {NULL},
+/* 162 r */
+ {v_replace, V_CNT|V_DOT|VM_RCM_SET,
+ "[count]r character",
+ " r replace character"},
+/* 163 s */
+ {v_subst, V_CNT|V_DOT|V_OBUF|VM_RCM_SET,
+ "[buffer][count]s",
+ " s substitute character"},
+/* 164 t */
+ {v_cht, V_CHAR|V_CNT|V_MOVE|VM_RCM_SET,
+ "[count]t character",
+ " t before character in line forward search"},
+/* 165 u */
+ /*
+ * DON'T set the V_DOT flag, it' more complicated than that.
+ * See vi/vi.c for details.
+ */
+ {v_undo, VM_RCM_SET,
+ "u",
+ " u undo last change"},
+/* 166 v */
+ {NULL},
+/* 167 w */
+ {v_wordw, V_CNT|V_MOVE|VM_RCM_SET,
+ "[count]w",
+ " w move to next word"},
+/* 170 x */
+ {v_xchar, V_CNT|V_DOT|V_OBUF|VM_RCM_SET,
+ "[buffer][count]x",
+ " x delete character"},
+/* 171 y */
+ {v_yank, V_CNT|V_DOT|V_MOTION|V_OBUF|VM_RCM_SET,
+ "[buffer][count]y[count]motion",
+ " y copy text to motion into a cut buffer"},
+/* 172 z */
+ /*
+ * DON'T set the V_CHAR flag, the char isn't required,
+ * so it's handled specially in getcmd().
+ */
+ {v_z, V_ABS_L|V_CNT|VM_RCM_SETFNB,
+ "[line]z[window_size][-|.|+|^|<CR>]",
+ " z reposition the screen"},
+/* 173 { */
+ {v_paragraphb, V_ABS|V_CNT|V_MOVE|VM_CUTREQ|VM_RCM_SET,
+ "[count]{",
+ " { move back paragraph"},
+/* 174 | */
+ {v_ncol, V_CNT|V_MOVE|VM_RCM_SET,
+ "[count]|",
+ " | move to column"},
+/* 175 } */
+ {v_paragraphf, V_ABS|V_CNT|V_MOVE|VM_CUTREQ|VM_RCM_SET,
+ "[count]}",
+ " } move forward paragraph"},
+/* 176 ~ */
+ {v_ulcase, V_CNT|V_DOT|VM_RCM_SET,
+ "[count]~",
+ " ~ reverse case"},
+};
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