vi/v_cmd.c

   1 /*-
   2  * Copyright (c) 1992, 1993
   3  *      The Regents of the University of California.  All rights reserved.
   4  *
   5  * %sccs.include.redist.c%
   6  */
   7
   8 #ifndef lint
   9 static char sccsid[] = "$Id: v_cmd.c,v 8.22 1994/01/08 17:07:27 bostic Exp $ (Berkeley) $Date: 1994/01/08 17:07:27 $";
  10 #endif /* not lint */
  11
  12 #include <sys/types.h>
  13
  14 #include "vi.h"
  15 #include "vcmd.h"
  16
  17 /*
  18  * This array maps keystrokes to vi command functions.  It is known
  19  * in ex/ex_usage.c that it takes four columns to name a vi character.
  20  */
  21 VIKEYS const vikeys [MAXVIKEY + 1] = {
  22 /* 000 NUL -- The code in vi.c expects key 0 to be undefined. */
  23         {NULL},
  24 /* 001  ^A */
  25         {v_searchw,     V_ABS|V_CNT|V_MOVE|V_KEYW|V_RCM_SET,
  26             "[count]^A",
  27             "^A search forward for cursor word"},
  28 /* 002  ^B */
  29         {v_pageup,      V_ABS|V_CNT|V_RCM_SETLFNB,
  30             "[count]^B",
  31             "^B page up by screens"},
  32 /* 003  ^C */
  33         {NULL,          0,
  34             "^C",
  35             "^C interrupt a search or global command"},
  36 /* 004  ^D */
  37         {v_hpagedown,   V_ABS|V_CNT|V_RCM_SETLFNB,
  38             "[count]^D",
  39             "^D page down by half screens (setting count)"},
  40 /* 005  ^E */
  41         {v_linedown,    V_CNT,
  42             "[count]^E",
  43             "^E page down by lines"},
  44 /* 006  ^F */
  45         {v_pagedown,    V_ABS|V_CNT|V_RCM_SETLFNB,
  46             "[count]^F",
  47             "^F page down by screens"},
  48 /* 007  ^G */
  49         {v_status,      0,
  50             "^G",
  51             "^G file status"},
  52 /* 010  ^H */
  53         {v_left,        V_CNT|V_MOVE|V_RCM_SET,
  54             "[count]^H",
  55             "^H move left by columns"},
  56 /* 011  ^I */
  57         {NULL},
  58 /* 012  ^J */
  59         {v_down,        V_CNT|V_LMODE|V_MOVE|V_RCM,
  60             "[count]^J",
  61             "^J move down by lines"},
  62 /* 013  ^K */
  63         {NULL},
  64 /* 014  ^L */
  65         {v_redraw,      0,
  66             "^L",
  67             "^L redraw screen"},
  68 /* 015  ^M */
  69         {v_cr,          V_CNT|V_LMODE|V_MOVE|V_RCM_SETFNB,
  70             "[count]^M",
  71             "^M move down by lines (to first non-blank)"},
  72 /* 016  ^N */
  73         {v_down,        V_CNT|V_LMODE|V_MOVE|V_RCM,
  74             "[count]^N",
  75             "^N move down by lines"},
  76 /* 017  ^O */
  77         {NULL},
  78 /* 020  ^P */
  79         {v_up,          V_CNT|V_LMODE|V_MOVE|V_RCM,
  80             "[count]^P",
  81             "^P move up by lines"},
  82 /* 021  ^Q -- not available, used for hardware flow control. */
  83         {NULL},
  84 /* 022  ^R */
  85         {v_redraw,      0,
  86             "^R",
  87             "^R redraw screen"},
  88 /* 023  ^S -- not available, used for hardware flow control. */
  89         {NULL},
  90 /* 024  ^T */
  91         {v_tagpop,      V_RCM_SET,
  92             "^T",
  93             "^T tag pop"},
  94 /* 025  ^U */
  95         {v_hpageup,     V_ABS|V_CNT|V_RCM_SETLFNB,
  96             "[count]^U",
  97             "^U half page up (set count)"},
  98 /* 026  ^V */
  99         {NULL,          0,
 100             "^V",
 101             "^V input a literal character"},
 102 /* 027  ^W */
 103         {v_screen,      0,
 104             "^W",
 105             "^W move to next screen"},
 106 /* 030  ^X */
 107         {NULL},
 108 /* 031  ^Y */
 109         {v_lineup,      V_CNT,
 110             "[count]^Y",
 111             "^Y page up by lines"},
 112 /* 032  ^Z */
 113         {v_stop,        0,
 114             "^Z",
 115             "^Z suspend editor"},
 116 /* 033  ^[ */
 117         {NULL,          0,
 118             "^[ <escape>",
 119             "^[ <escape> leave input mode, return to command mode"},
 120 /* 034  ^\ */
 121         {NULL},
 122 /* 035  ^] */
 123         {v_tagpush,     V_KEYW|V_RCM_SET,
 124             "^]",
 125             "^] tag push cursor word"},
 126 /* 036  ^^ */
 127         {v_switch,      0,
 128             "^^",
 129             "^^ switch to previous file"},
 130 /* 037  ^_ */
 131         {NULL},
 132 /* 040 ' ' */
 133         {v_right,       V_CNT|V_MOVE|V_RCM_SET,
 134             "[count]' '",
 135             "   <space> move right by columns"},
 136 /* 041   ! */
 137         {v_filter,      V_CNT|V_DOT|V_MOTION|V_RCM_SET,
 138             "[count]![count]motion command(s)",
 139             " ! filter through command(s) to motion"},
 140 /* 042   " */
 141         {NULL},
 142 /* 043   # */
 143         {v_increment,   V_CHAR|V_CNT|V_DOT|V_KEYNUM|V_RCM_SET,
 144             "[count]#[#+-]",
 145             " # number increment/decrement"},
 146 /* 044   $ */
 147         {v_dollar,      V_CNT|V_MOVE|V_RCM_SETLAST,
 148             " [count]$",
 149             " $ move to last column"},
 150 /* 045   % */
 151         {v_match,       V_ABS|V_MOVE|V_RCM_SET,
 152             "%",
 153             " % move to match"},
 154 /* 046   & */
 155         {v_again,       0,
 156             "&",
 157             " & repeat substitution"},
 158 /* 047   ' */
 159         {v_gomark,      V_ABS|V_CHAR|V_LMODE|V_MOVE|V_RCM_SETFNB,
 160             "'['a-z]",
 161             " ' move to mark (to first non-blank)"},
 162 /* 050   ( */
 163         {v_sentenceb,   V_CNT|V_MOVE|V_RCM_SET,
 164             "[count](",
 165             " ( move back sentence"},
 166 /* 051   ) */
 167         {v_sentencef,   V_ABS|V_CNT|V_MOVE|V_RCM_SET,
 168             "[count])",
 169             " ) move forward sentence"},
 170 /* 052   * */
 171         {NULL},
 172 /* 053   + */
 173         {v_down,        V_CNT|V_LMODE|V_MOVE|V_RCM_SETFNB,
 174             "[count]+",
 175             " + move down by lines (to first non-blank)"},
 176 /* 054   , */
 177         {v_chrrepeat,   V_CNT|V_MOVE|V_RCM_SET,
 178             "[count],",
 179             " , reverse last F, f, T or t search"},
 180 /* 055   - */
 181         {v_up,          V_CNT|V_LMODE|V_MOVE|V_RCM_SETFNB,
 182             "[count]-",
 183             " - move up by lines (to first non-blank)"},
 184 /* 056   . */
 185         {NULL,          0,
 186             ".",
 187             " . repeat the last command"},
 188 /* 057   / */
 189         {v_searchf,     V_ABS|V_MOVE|V_RCM_SET,
 190             "/RE[/ offset]",
 191             " / search forward"},
 192 /* 060   0 */
 193         {v_zero,        V_MOVE|V_RCM_SET,
 194             "0",
 195             " 0 move to first character"},
 196 /* 061   1 */
 197         {NULL},
 198 /* 062   2 */
 199         {NULL},
 200 /* 063   3 */
 201         {NULL},
 202 /* 064   4 */
 203         {NULL},
 204 /* 065   5 */
 205         {NULL},
 206 /* 066   6 */
 207         {NULL},
 208 /* 067   7 */
 209         {NULL},
 210 /* 070   8 */
 211         {NULL},
 212 /* 071   9 */
 213         {NULL},
 214 /* 072   : */
 215         {v_ex,          0,
 216             ":command [| command] ...",
 217             " : ex command"},
 218 /* 073   ; */
 219         {v_chrepeat,    V_CNT|V_MOVE|V_RCM_SET,
 220             "[count];",
 221             " ; repeat last F, f, T or t search"},
 222 /* 074   < */
 223         {v_shiftl,      V_CNT|V_DOT|V_MOTION|V_RCM_SET|VC_SH,
 224             "[count]<[count]motion",
 225             " < shift lines left to motion"},
 226 /* 075   = */
 227         {NULL},
 228 /* 076   > */
 229         {v_shiftr,      V_CNT|V_DOT|V_MOTION|V_RCM_SET|VC_SH,
 230             "[count]>[count]motion",
 231             " > shift lines right to motion"},
 232 /* 077   ? */
 233         {v_searchb,     V_ABS|V_MOVE|V_RCM_SET,
 234             "?RE[? offset]",
 235             " ? search backward"},
 236 /* 100   @ */
 237         {v_at,          V_RBUF|V_RCM_SET,
 238             "@buffer",
 239             " @ execute buffer"},
 240 /* 101   A */
 241         {v_iA,          V_CNT|V_DOT|V_RCM_SET,
 242             "[count]A",
 243             " A append to the line"},
 244 /* 102   B */
 245         {v_wordB,       V_CNT|V_MOVE|V_RCM_SET,
 246             "[count]B",
 247             " B move back bigword"},
 248 /* 103   C */
 249         {v_Change,      V_CNT|V_DOT|V_OBUF|V_RCM_SET,
 250             "[buffer][count]C",
 251             " C change to end-of-line"},
 252 /* 104   D */
 253         {v_Delete,      V_CNT|V_DOT|V_OBUF|V_RCM_SET,
 254             "[buffer][count]D",
 255             " D delete to end-of-line"},
 256 /* 105   E */
 257         {v_wordE,       V_CNT|V_MOVE|V_RCM_SET,
 258             "[count]E",
 259             " E move to end of bigword"},
 260 /* 106   F */
 261         {v_chF,         V_CHAR|V_CNT|V_MOVE|V_RCM_SET,
 262             "[count]F character",
 263             " F character in line backward search"},
 264 /* 107   G */
 265         {v_lgoto,       V_ABS|V_CNT|V_LMODE|V_MOVE|V_RCM_SETFNB,
 266             "[count]G",
 267             " G move to line"},
 268 /* 110   H */
 269         {v_home,        V_CNT|V_LMODE|V_MOVE|V_RCM_SETNNB,
 270             "[count]H",
 271             " H move to count lines from screen top"},
 272 /* 111   I */
 273         {v_iI,          V_CNT|V_DOT|V_RCM_SET,
 274             "[count]I",
 275             " I insert at line beginning"},
 276 /* 112   J */
 277         {v_join,        V_CNT|V_DOT|V_RCM_SET,
 278             "[count]J",
 279             " J join lines"},
 280 /* 113   K */
 281         {NULL},
 282 /* 114   L */
 283         {v_bottom,      V_CNT|V_LMODE|V_MOVE|V_RCM_SETNNB,
 284             "[count]L",
 285             " L move to screen bottom"},
 286 /* 115   M */
 287         {v_middle,      V_CNT|V_LMODE|V_MOVE|V_RCM_SETNNB,
 288             "M",
 289             " M move to screen middle"},
 290 /* 116   N */
 291         {v_searchN,     V_ABS|V_MOVE|V_RCM_SET,
 292             "n",
 293             " N reverse last search"},
 294 /* 117   O */
 295         {v_iO,          V_CNT|V_DOT|V_RCM_SET,
 296             "[count]O",
 297             " O insert above line"},
 298 /* 120   P */
 299         {v_Put,         V_CNT|V_DOT|V_OBUF|V_RCM_SET,
 300             "[buffer]P",
 301             " P insert before cursor from buffer"},
 302 /* 121   Q */
 303         {v_exmode,      0,
 304             "Q",
 305             " Q switch to ex mode"},
 306 /* 122   R */
 307         {v_Replace,     V_CNT|V_DOT|V_RCM_SET,
 308             "[count]R",
 309             " R replace characters"},
 310 /* 123   S */
 311         {v_Subst,       V_CNT|V_DOT|V_LMODE|V_OBUF|V_RCM_SET,
 312             "[buffer][count]S",
 313             " S substitute for the line(s)"},
 314 /* 124   T */
 315         {v_chT,         V_CHAR|V_CNT|V_MOVE|V_RCM_SET,
 316             "[count]T character",
 317             " T before character in line backward search"},
 318 /* 125   U */
 319         {v_Undo,        V_RCM_SET,
 320             "U",
 321             " U Restore the current line"},
 322 /* 126   V */
 323         {NULL},
 324 /* 127   W */
 325         {v_wordW,       V_CNT|V_MOVE|V_RCM_SET,
 326             "[count]W",
 327             " W move to next bigword"},
 328 /* 130   X */
 329         {v_Xchar,       V_CNT|V_DOT|V_OBUF|V_RCM_SET,
 330             "[buffer][count]X",
 331             " X delete character before cursor"},
 332 /* 131   Y */
 333         {v_Yank,        V_CNT|V_LMODE|V_OBUF,
 334             "[buffer][count]Y",
 335             " Y copy line"},
 336 /* 132   Z */
 337         {v_exit,        0,
 338             "ZZ",
 339             "ZZ save file and exit"},
 340 /* 133   [ */
 341         {v_sectionb,    V_ABS|V_LMODE|V_MOVE|V_RCM_SET,
 342             "[[",
 343             "[[ move back section"},
 344 /* 134   \ */
 345         {NULL},
 346 /* 135   ] */
 347         {v_sectionf,    V_ABS|V_LMODE|V_MOVE|V_RCM_SET,
 348             "]]",
 349             "]] move forward section"},
 350 /* 136   ^ */
 351         /*
 352          * DON'T set the V_RCM_SETFNB flag, the function has to do
 353          * the work anyway, in case it's a motion component.  DO set
 354          * V_RCM_SET, so that any motion that's part of a command is
 355          * preserved.
 356          */
 357         {v_first,       V_CNT|V_MOVE|V_RCM_SET,
 358             "^",
 359             " ^ move to first non-blank"},
 360 /* 137   _ */
 361         /*
 362          * DON'T set the V_RCM_SETFNB flag, the function has to do
 363          * the work anyway, in case it's a motion component.  DO set
 364          * V_RCM_SET, so that any motion that's part of a command is
 365          * preserved.
 366          */
 367         {v_cfirst,      V_CNT|V_MOVE|V_RCM_SET,
 368             "_",
 369             " _ move to first non-blank"},
 370 /* 140   ` */
 371         {v_gomark,      V_ABS|V_CHAR|V_MOVE|V_RCM_SET,
 372             "`[`a-z]",
 373             " ` move to mark"},
 374 /* 141   a */
 375         {v_ia,          V_CNT|V_DOT|V_RCM_SET,
 376             "[count]a",
 377             " a append after cursor"},
 378 /* 142   b */
 379         {v_wordb,       V_CNT|V_MOVE|V_RCM_SET,
 380             "[count]b",
 381             " b move back word"},
 382 /* 143   c */
 383         {v_change,      V_CNT|V_DOT|V_MOTION|V_OBUF|V_RCM_SET|VC_C,
 384             "[buffer][count]c[count]motion",
 385             " c change to motion"},
 386 /* 144   d */
 387         {v_delete,      V_CNT|V_DOT|V_MOTION|V_OBUF|V_RCM_SET|VC_D,
 388             "[buffer][count]d[count]motion",
 389             " d delete to motion"},
 390 /* 145   e */
 391         {v_worde,       V_CNT|V_MOVE|V_RCM_SET,
 392             "[count]e",
 393             " e move to end of word"},
 394 /* 146   f */
 395         {v_chf,         V_CHAR|V_CNT|V_MOVE|V_RCM_SET,
 396             "[count]f character",
 397             " f character in line forward search"},
 398 /* 147   g */
 399         {NULL},
 400 /* 150   h */
 401         {v_left,        V_CNT|V_MOVE|V_RCM_SET,
 402             "[count]h",
 403             " h move left by columns"},
 404 /* 151   i */
 405         {v_ii,          V_CNT|V_DOT|V_RCM_SET,
 406             "[count]i",
 407             " i insert before cursor"},
 408 /* 152   j */
 409         {v_down,        V_CNT|V_LMODE|V_MOVE|V_RCM,
 410             "[count]j",
 411             " j move down by lines"},
 412 /* 153   k */
 413         {v_up,          V_CNT|V_LMODE|V_MOVE|V_RCM,
 414             "[count]k",
 415             " k move up by lines"},
 416 /* 154   l */
 417         {v_right,       V_CNT|V_MOVE|V_RCM_SET,
 418             "[count]l",
 419             " l move right by columns"},
 420 /* 155   m */
 421         {v_mark,        V_CHAR,
 422             "m[a-z]",
 423             " m set mark"},
 424 /* 156   n */
 425         {v_searchn,     V_ABS|V_MOVE|V_RCM_SET,
 426             "n",
 427             " n repeat last search"},
 428 /* 157   o */
 429         {v_io,          V_CNT|V_DOT|V_RCM_SET,
 430             "[count]o",
 431             " o append after line"},
 432 /* 160   p */
 433         {v_put,         V_CNT|V_DOT|V_OBUF|V_RCM_SET,
 434             "[buffer]p",
 435             " p insert after cursor from buffer"},
 436 /* 161   q */
 437         {NULL},
 438 /* 162   r */
 439         {v_replace,     V_CNT|V_DOT|V_RCM_SET,
 440             "[count]r character",
 441             " r replace character"},
 442 /* 163   s */
 443         {v_subst,       V_CNT|V_DOT|V_OBUF|V_RCM_SET,
 444             "[buffer][count]s",
 445             " s substitute character"},
 446 /* 164   t */
 447         {v_cht,         V_CHAR|V_CNT|V_MOVE|V_RCM_SET,
 448             "[count]t character",
 449             " t before character in line forward search"},
 450 /* 165   u */
 451         /*
 452          * DON'T set the V_DOT flag, it' more complicated than that.
 453          * See vi/vi.c for details.
 454          */
 455         {v_undo,        V_RCM_SET,
 456             "u",
 457             " u undo last change"},
 458 /* 166   v */
 459         {NULL},
 460 /* 167   w */
 461         {v_wordw,       V_CNT|V_MOVE|V_RCM_SET,
 462             "[count]w",
 463             " w move to next word"},
 464 /* 170   x */
 465         {v_xchar,       V_CNT|V_DOT|V_OBUF|V_RCM_SET,
 466             "[buffer][count]x",
 467             " x delete character"},
 468 /* 171   y */
 469         {v_yank,        V_CNT|V_MOTION|V_OBUF|V_RCM_SET|VC_Y,
 470             "[buffer][count]y[count]motion",
 471             " y copy text to motion into a cut buffer"},
 472 /* 172   z */
 473         /*
 474          * DON'T set the V_CHAR flag, the char isn't required,
 475          * so it's handled specially in getcmd().
 476          */
 477         {v_z,           V_CNT|V_RCM_SETFNB,
 478             "[line]z[window_size][-|.|+|^|<CR>]",
 479             " z redraw window"},
 480 /* 173   { */
 481         {v_paragraphb,  V_ABS|V_CNT|V_LMODE|V_MOVE|V_RCM_SET,
 482             "[count]{",
 483             " { move back paragraph"},
 484 /* 174   | */
 485         {v_ncol,        V_ABS|V_CNT|V_MOVE|V_RCM_SET,
 486             "[count]|",
 487             " | move to column"},
 488 /* 175   } */
 489         {v_paragraphf,  V_ABS|V_CNT|V_LMODE|V_MOVE|V_RCM_SET,
 490             "[count]}",
 491             " } move forward paragraph"},
 492 /* 176   ~ */
 493         {v_ulcase,      V_CNT|V_DOT|V_RCM_SET,
 494             "[count]~",
 495             " ~ reverse case"},
 496 };