1 /* $NetBSD: v_cmd.c,v 1.2 2013/11/22 15:52:06 christos Exp $ */ 2 /*- 3 * Copyright (c) 1992, 1993, 1994 4 * The Regents of the University of California. All rights reserved. 5 * Copyright (c) 1992, 1993, 1994, 1995, 1996 6 * Keith Bostic. All rights reserved. 7 * 8 * See the LICENSE file for redistribution information. 9 */ 10 11 #include "config.h" 12 13 #ifndef lint 14 static const char sccsid[] = "Id: v_cmd.c,v 10.9 1996/03/28 15:18:39 bostic Exp (Berkeley) Date: 1996/03/28 15:18:39 "; 15 #endif /* not lint */ 16 17 #include <sys/types.h> 18 #include <sys/queue.h> 19 #include <sys/time.h> 20 21 #include <bitstring.h> 22 #include <limits.h> 23 #include <stdio.h> 24 25 #include "../common/common.h" 26 #include "vi.h" 27 28 #define VINULLKEY { NULL, 0, NULL, NULL } 29 /* 30 * This array maps keystrokes to vi command functions. It is known 31 * in ex/ex_usage.c that it takes four columns to name a vi character. 32 */ 33 VIKEYS const vikeys [MAXVIKEY + 1] = { 34 /* 000 NUL -- The code in vi.c expects key 0 to be undefined. */ 35 VINULLKEY, 36 /* 001 ^A */ 37 {v_searchw, V_ABS|V_CNT|V_MOVE|V_KEYW|VM_CUTREQ|VM_RCM_SET, 38 "[count]^A", 39 "^A search forward for cursor word"}, 40 /* 002 ^B */ 41 {v_pageup, V_CNT|VM_RCM_SET, 42 "[count]^B", 43 "^B scroll up by screens"}, 44 /* 003 ^C */ 45 {NULL, 0, 46 "^C", 47 "^C interrupt an operation (e.g. read, write, search)"}, 48 /* 004 ^D */ 49 {v_hpagedown, V_CNT|VM_RCM_SET, 50 "[count]^D", 51 "^D scroll down by half screens (setting count)"}, 52 /* 005 ^E */ 53 {v_linedown, V_CNT, 54 "[count]^E", 55 "^E scroll down by lines"}, 56 /* 006 ^F */ 57 {v_pagedown, V_CNT|VM_RCM_SET, 58 "[count]^F", 59 "^F scroll down by screens"}, 60 /* 007 ^G */ 61 {v_status, 0, 62 "^G", 63 "^G file status"}, 64 /* 010 ^H */ 65 {v_left, V_CNT|V_MOVE|VM_RCM_SET, 66 "[count]^H", 67 "^H move left by characters"}, 68 /* 011 ^I */ 69 VINULLKEY, 70 /* 012 ^J */ 71 {v_down, V_CNT|V_MOVE|VM_LMODE|VM_RCM, 72 "[count]^J", 73 "^J move down by lines"}, 74 /* 013 ^K */ 75 VINULLKEY, 76 /* 014 ^L */ 77 {v_redraw, 0, 78 "^L", 79 "^L redraw screen"}, 80 /* 015 ^M */ 81 {v_cr, V_CNT|V_MOVE|VM_LMODE|VM_RCM_SETFNB, 82 "[count]^M", 83 "^M move down by lines (to first non-blank)"}, 84 /* 016 ^N */ 85 {v_down, V_CNT|V_MOVE|VM_LMODE|VM_RCM, 86 "[count]^N", 87 "^N move down by lines"}, 88 /* 017 ^O */ 89 VINULLKEY, 90 /* 020 ^P */ 91 {v_up, V_CNT|V_MOVE|VM_LMODE|VM_RCM, 92 "[count]^P", 93 "^P move up by lines"}, 94 /* 021 ^Q -- same as ^V if not used for hardware flow control. */ 95 VINULLKEY, 96 /* 022 ^R */ 97 {v_redraw, 0, 98 "^R", 99 "^R redraw screen"}, 100 /* 023 ^S -- not available, used for hardware flow control. */ 101 VINULLKEY, 102 /* 024 ^T */ 103 {v_tagpop, V_ABS|VM_RCM_SET, 104 "^T", 105 "^T tag pop"}, 106 /* 025 ^U */ 107 {v_hpageup, V_CNT|VM_RCM_SET, 108 "[count]^U", 109 "^U half page up (set count)"}, 110 /* 026 ^V */ 111 {NULL, 0, 112 "^V", 113 "^V input a literal character"}, 114 /* 027 ^W */ 115 {v_screen, 0, 116 "^W", 117 "^W move to next screen"}, 118 /* 030 ^X */ 119 VINULLKEY, 120 /* 031 ^Y */ 121 {v_lineup, V_CNT, 122 "[count]^Y", 123 "^Y page up by lines"}, 124 /* 032 ^Z */ 125 {v_suspend, V_SECURE, 126 "^Z", 127 "^Z suspend editor"}, 128 /* 033 ^[ */ 129 {NULL, 0, 130 "^[ <escape>", 131 "^[ <escape> exit input mode, cancel partial commands"}, 132 /* 034 ^\ */ 133 {v_exmode, 0, 134 "^\\", 135 " ^\\ switch to ex mode"}, 136 /* 035 ^] */ 137 {v_tagpush, V_ABS|V_KEYW|VM_RCM_SET, 138 "^]", 139 "^] tag push cursor word"}, 140 /* 036 ^^ */ 141 {v_switch, 0, 142 "^^", 143 "^^ switch to previous file"}, 144 /* 037 ^_ */ 145 VINULLKEY, 146 /* 040 ' ' */ 147 {v_right, V_CNT|V_MOVE|VM_RCM_SET, 148 "[count]' '", 149 " <space> move right by columns"}, 150 /* 041 ! */ 151 {v_filter, V_CNT|V_DOT|V_MOTION|V_SECURE|VM_RCM_SET, 152 "[count]![count]motion command(s)", 153 " ! filter through command(s) to motion"}, 154 /* 042 " */ 155 VINULLKEY, 156 /* 043 # */ 157 {v_increment, V_CHAR|V_CNT|V_DOT|VM_RCM_SET, 158 "[count]# +|-|#", 159 " # number increment/decrement"}, 160 /* 044 $ */ 161 {v_dollar, V_CNT|V_MOVE|VM_RCM_SETLAST, 162 " [count]$", 163 " $ move to last column"}, 164 /* 045 % */ 165 {v_match, V_ABS|V_CNT|V_MOVE|VM_CUTREQ|VM_RCM_SET, 166 "%", 167 " % move to match"}, 168 /* 046 & */ 169 {v_again, 0, 170 "&", 171 " & repeat substitution"}, 172 /* 047 ' */ 173 {v_fmark, V_ABS_L|V_CHAR|V_MOVE|VM_LMODE|VM_RCM_SET, 174 "'['a-z]", 175 " ' move to mark (to first non-blank)"}, 176 /* 050 ( */ 177 {v_sentenceb, V_ABS|V_CNT|V_MOVE|VM_CUTREQ|VM_RCM_SET, 178 "[count](", 179 " ( move back sentence"}, 180 /* 051 ) */ 181 {v_sentencef, V_ABS|V_CNT|V_MOVE|VM_CUTREQ|VM_RCM_SET, 182 "[count])", 183 " ) move forward sentence"}, 184 /* 052 * */ 185 VINULLKEY, 186 /* 053 + */ 187 {v_down, V_CNT|V_MOVE|VM_LMODE|VM_RCM_SETFNB, 188 "[count]+", 189 " + move down by lines (to first non-blank)"}, 190 /* 054 , */ 191 {v_chrrepeat, V_CNT|V_MOVE|VM_RCM_SET, 192 "[count],", 193 " , reverse last F, f, T or t search"}, 194 /* 055 - */ 195 {v_up, V_CNT|V_MOVE|VM_LMODE|VM_RCM_SETFNB, 196 "[count]-", 197 " - move up by lines (to first non-blank)"}, 198 /* 056 . */ 199 {NULL, 0, 200 ".", 201 " . repeat the last command"}, 202 /* 057 / */ 203 {v_searchf, V_ABS_C|V_MOVE|VM_CUTREQ|VM_RCM_SET, 204 "/RE[/ offset]", 205 " / search forward"}, 206 /* 060 0 */ 207 {v_zero, V_MOVE|VM_RCM_SET, 208 "0", 209 " 0 move to first character"}, 210 /* 061 1 */ 211 VINULLKEY, 212 /* 062 2 */ 213 VINULLKEY, 214 /* 063 3 */ 215 VINULLKEY, 216 /* 064 4 */ 217 VINULLKEY, 218 /* 065 5 */ 219 VINULLKEY, 220 /* 066 6 */ 221 VINULLKEY, 222 /* 067 7 */ 223 VINULLKEY, 224 /* 070 8 */ 225 VINULLKEY, 226 /* 071 9 */ 227 VINULLKEY, 228 /* 072 : */ 229 {v_ex, 0, 230 ":command [| command] ...", 231 " : ex command"}, 232 /* 073 ; */ 233 {v_chrepeat, V_CNT|V_MOVE|VM_RCM_SET, 234 "[count];", 235 " ; repeat last F, f, T or t search"}, 236 /* 074 < */ 237 {v_shiftl, V_CNT|V_DOT|V_MOTION|VM_RCM_SET, 238 "[count]<[count]motion", 239 " < shift lines left to motion"}, 240 /* 075 = */ 241 VINULLKEY, 242 /* 076 > */ 243 {v_shiftr, V_CNT|V_DOT|V_MOTION|VM_RCM_SET, 244 "[count]>[count]motion", 245 " > shift lines right to motion"}, 246 /* 077 ? */ 247 {v_searchb, V_ABS_C|V_MOVE|VM_CUTREQ|VM_RCM_SET, 248 "?RE[? offset]", 249 " ? search backward"}, 250 /* 100 @ */ 251 {v_at, V_CNT|V_RBUF|VM_RCM_SET, 252 "@buffer", 253 " @ execute buffer"}, 254 /* 101 A */ 255 {v_iA, V_CNT|V_DOT|VM_RCM_SET, 256 "[count]A", 257 " A append to the line"}, 258 /* 102 B */ 259 {v_wordB, V_CNT|V_MOVE|VM_RCM_SET, 260 "[count]B", 261 " B move back bigword"}, 262 /* 103 C */ 263 {NULL, 0, 264 "[buffer][count]C", 265 " C change to end-of-line"}, 266 /* 104 D */ 267 {NULL, 0, 268 "[buffer]D", 269 " D delete to end-of-line"}, 270 /* 105 E */ 271 {v_wordE, V_CNT|V_MOVE|VM_RCM_SET, 272 "[count]E", 273 " E move to end of bigword"}, 274 /* 106 F */ 275 {v_chF, V_CHAR|V_CNT|V_MOVE|VM_RCM_SET, 276 "[count]F character", 277 " F character in line backward search"}, 278 /* 107 G */ 279 {v_lgoto, V_ABS_L|V_CNT|V_MOVE|VM_LMODE|VM_RCM_SETFNB, 280 "[count]G", 281 " G move to line"}, 282 /* 110 H */ 283 {v_home, V_ABS_L|V_CNT|V_MOVE|VM_LMODE|VM_RCM_SETNNB, 284 "[count]H", 285 " H move to count lines from screen top"}, 286 /* 111 I */ 287 {v_iI, V_CNT|V_DOT|VM_RCM_SET, 288 "[count]I", 289 " I insert before first nonblank"}, 290 /* 112 J */ 291 {v_join, V_CNT|V_DOT|VM_RCM_SET, 292 "[count]J", 293 " J join lines"}, 294 /* 113 K */ 295 VINULLKEY, 296 /* 114 L */ 297 {v_bottom, V_ABS_L|V_CNT|V_MOVE|VM_LMODE|VM_RCM_SETNNB, 298 "[count]L", 299 " L move to screen bottom"}, 300 /* 115 M */ 301 {v_middle, V_ABS_L|V_CNT|V_MOVE|VM_LMODE|VM_RCM_SETNNB, 302 "M", 303 " M move to screen middle"}, 304 /* 116 N */ 305 {v_searchN, V_ABS_C|V_MOVE|VM_CUTREQ|VM_RCM_SET, 306 "n", 307 " N reverse last search"}, 308 /* 117 O */ 309 {v_iO, V_CNT|V_DOT|VM_RCM_SET, 310 "[count]O", 311 " O insert above line"}, 312 /* 120 P */ 313 {v_Put, V_CNT|V_DOT|V_OBUF|VM_RCM_SET, 314 "[buffer]P", 315 " P insert before cursor from buffer"}, 316 /* 121 Q */ 317 {v_exmode, 0, 318 "Q", 319 " Q switch to ex mode"}, 320 /* 122 R */ 321 {v_Replace, V_CNT|V_DOT|VM_RCM_SET, 322 "[count]R", 323 " R replace characters"}, 324 /* 123 S */ 325 {NULL, 0, 326 "[buffer][count]S", 327 " S substitute for the line(s)"}, 328 /* 124 T */ 329 {v_chT, V_CHAR|V_CNT|V_MOVE|VM_RCM_SET, 330 "[count]T character", 331 " T before character in line backward search"}, 332 /* 125 U */ 333 {v_Undo, VM_RCM_SET, 334 "U", 335 " U Restore the current line"}, 336 /* 126 V */ 337 VINULLKEY, 338 /* 127 W */ 339 {v_wordW, V_CNT|V_MOVE|VM_RCM_SET, 340 "[count]W", 341 " W move to next bigword"}, 342 /* 130 X */ 343 {v_Xchar, V_CNT|V_DOT|V_OBUF|VM_RCM_SET, 344 "[buffer][count]X", 345 " X delete character before cursor"}, 346 /* 131 Y */ 347 {NULL, 0, 348 "[buffer][count]Y", 349 " Y copy line"}, 350 /* 132 Z */ 351 {v_zexit, 0, 352 "ZZ", 353 "ZZ save file and exit"}, 354 /* 133 [ */ 355 {v_sectionb, V_ABS|V_CNT|V_MOVE|VM_RCM_SET, 356 "[[", 357 "[[ move back section"}, 358 /* 134 \ */ 359 VINULLKEY, 360 /* 135 ] */ 361 {v_sectionf, V_ABS|V_CNT|V_MOVE|VM_RCM_SET, 362 "]]", 363 "]] move forward section"}, 364 /* 136 ^ */ 365 /* 366 * DON'T set the VM_RCM_SETFNB flag, the function has to do the work 367 * anyway, in case it's a motion component. DO set VM_RCM_SET, so 368 * that any motion that's part of a command is preserved. 369 */ 370 {v_first, V_CNT|V_MOVE|VM_RCM_SET, 371 "^", 372 " ^ move to first non-blank"}, 373 /* 137 _ */ 374 /* 375 * Needs both to set the VM_RCM_SETFNB flag, and to do the work 376 * in the function, in case it's a delete. 377 */ 378 {v_cfirst, V_CNT|V_MOVE|VM_RCM_SETFNB, 379 "_", 380 " _ move to first non-blank"}, 381 /* 140 ` */ 382 {v_bmark, V_ABS_C|V_CHAR|V_MOVE|VM_CUTREQ|VM_RCM_SET, 383 "`[`a-z]", 384 " ` move to mark"}, 385 /* 141 a */ 386 {v_ia, V_CNT|V_DOT|VM_RCM_SET, 387 "[count]a", 388 " a append after cursor"}, 389 /* 142 b */ 390 {v_wordb, V_CNT|V_MOVE|VM_RCM_SET, 391 "[count]b", 392 " b move back word"}, 393 /* 143 c */ 394 {v_change, V_CNT|V_DOT|V_MOTION|V_OBUF|VM_RCM_SET, 395 "[buffer][count]c[count]motion", 396 " c change to motion"}, 397 /* 144 d */ 398 {v_delete, V_CNT|V_DOT|V_MOTION|V_OBUF|VM_RCM_SET, 399 "[buffer][count]d[count]motion", 400 " d delete to motion"}, 401 /* 145 e */ 402 {v_worde, V_CNT|V_MOVE|VM_RCM_SET, 403 "[count]e", 404 " e move to end of word"}, 405 /* 146 f */ 406 {v_chf, V_CHAR|V_CNT|V_MOVE|VM_RCM_SET, 407 "[count]f character", 408 " f character in line forward search"}, 409 /* 147 g */ 410 VINULLKEY, 411 /* 150 h */ 412 {v_left, V_CNT|V_MOVE|VM_RCM_SET, 413 "[count]h", 414 " h move left by columns"}, 415 /* 151 i */ 416 {v_ii, V_CNT|V_DOT|VM_RCM_SET, 417 "[count]i", 418 " i insert before cursor"}, 419 /* 152 j */ 420 {v_down, V_CNT|V_MOVE|VM_LMODE|VM_RCM, 421 "[count]j", 422 " j move down by lines"}, 423 /* 153 k */ 424 {v_up, V_CNT|V_MOVE|VM_LMODE|VM_RCM, 425 "[count]k", 426 " k move up by lines"}, 427 /* 154 l */ 428 {v_right, V_CNT|V_MOVE|VM_RCM_SET, 429 "[count]l", 430 " l move right by columns"}, 431 /* 155 m */ 432 {v_mark, V_CHAR, 433 "m[a-z]", 434 " m set mark"}, 435 /* 156 n */ 436 {v_searchn, V_ABS_C|V_MOVE|VM_CUTREQ|VM_RCM_SET, 437 "n", 438 " n repeat last search"}, 439 /* 157 o */ 440 {v_io, V_CNT|V_DOT|VM_RCM_SET, 441 "[count]o", 442 " o append after line"}, 443 /* 160 p */ 444 {v_put, V_CNT|V_DOT|V_OBUF|VM_RCM_SET, 445 "[buffer]p", 446 " p insert after cursor from buffer"}, 447 /* 161 q */ 448 VINULLKEY, 449 /* 162 r */ 450 {v_replace, V_CNT|V_DOT|VM_RCM_SET, 451 "[count]r character", 452 " r replace character"}, 453 /* 163 s */ 454 {v_subst, V_CNT|V_DOT|V_OBUF|VM_RCM_SET, 455 "[buffer][count]s", 456 " s substitute character"}, 457 /* 164 t */ 458 {v_cht, V_CHAR|V_CNT|V_MOVE|VM_RCM_SET, 459 "[count]t character", 460 " t before character in line forward search"}, 461 /* 165 u */ 462 /* 463 * DON'T set the V_DOT flag, it' more complicated than that. 464 * See vi/vi.c for details. 465 */ 466 {v_undo, VM_RCM_SET, 467 "u", 468 " u undo last change"}, 469 /* 166 v */ 470 VINULLKEY, 471 /* 167 w */ 472 {v_wordw, V_CNT|V_MOVE|VM_RCM_SET, 473 "[count]w", 474 " w move to next word"}, 475 /* 170 x */ 476 {v_xchar, V_CNT|V_DOT|V_OBUF|VM_RCM_SET, 477 "[buffer][count]x", 478 " x delete character"}, 479 /* 171 y */ 480 {v_yank, V_CNT|V_DOT|V_MOTION|V_OBUF|VM_RCM_SET, 481 "[buffer][count]y[count]motion", 482 " y copy text to motion into a cut buffer"}, 483 /* 172 z */ 484 /* 485 * DON'T set the V_CHAR flag, the char isn't required, 486 * so it's handled specially in getcmd(). 487 */ 488 {v_z, V_ABS_L|V_CNT|VM_RCM_SETFNB, 489 "[line]z[window_size][-|.|+|^|<CR>]", 490 " z reposition the screen"}, 491 /* 173 { */ 492 {v_paragraphb, V_ABS|V_CNT|V_MOVE|VM_CUTREQ|VM_RCM_SET, 493 "[count]{", 494 " { move back paragraph"}, 495 /* 174 | */ 496 {v_ncol, V_CNT|V_MOVE|VM_RCM_SET, 497 "[count]|", 498 " | move to column"}, 499 /* 175 } */ 500 {v_paragraphf, V_ABS|V_CNT|V_MOVE|VM_CUTREQ|VM_RCM_SET, 501 "[count]}", 502 " } move forward paragraph"}, 503 /* 176 ~ */ 504 {v_ulcase, V_CNT|V_DOT|VM_RCM_SET, 505 "[count]~", 506 " ~ reverse case"}, 507 }; 508