/// Make sure win->w_cursor.col is valid. Special handling of insert-mode. /// @see mb_check_adjust_col void check_cursor_col_win(win_T *win) { colnr_T len; colnr_T oldcol = win->w_cursor.col; colnr_T oldcoladd = win->w_cursor.col + win->w_cursor.coladd; len = (colnr_T)STRLEN(ml_get_buf(win->w_buffer, win->w_cursor.lnum, false)); if (len == 0) { win->w_cursor.col = 0; } else if (win->w_cursor.col >= len) { /* Allow cursor past end-of-line when: * - in Insert mode or restarting Insert mode * - in Visual mode and 'selection' isn't "old" * - 'virtualedit' is set */ if ((State & INSERT) || restart_edit || (VIsual_active && *p_sel != 'o') || (ve_flags & VE_ONEMORE) || virtual_active()) { win->w_cursor.col = len; } else { win->w_cursor.col = len - 1; // Move the cursor to the head byte. if (has_mbyte) { mark_mb_adjustpos(win->w_buffer, &win->w_cursor); } } } else if (win->w_cursor.col < 0) { win->w_cursor.col = 0; } // If virtual editing is on, we can leave the cursor on the old position, // only we must set it to virtual. But don't do it when at the end of the // line. if (oldcol == MAXCOL) { win->w_cursor.coladd = 0; } else if (ve_flags == VE_ALL) { if (oldcoladd > win->w_cursor.col) { win->w_cursor.coladd = oldcoladd - win->w_cursor.col; // Make sure that coladd is not more than the char width. // Not for the last character, coladd is then used when the cursor // is actually after the last character. if (win->w_cursor.col + 1 < len && win->w_cursor.coladd > 0) { int cs, ce; getvcol(win, &win->w_cursor, &cs, NULL, &ce); if (win->w_cursor.coladd > ce - cs) { win->w_cursor.coladd = ce - cs; } } } else { // avoid weird number when there is a miscalculation or overflow win->w_cursor.coladd = 0; } } }
// Return the indent of the current line after a number. Return -1 if no // number was found. Used for 'n' in 'formatoptions': numbered list. // Since a pattern is used it can actually handle more than numbers. int get_number_indent(linenr_T lnum) { colnr_T col; pos_T pos; regmatch_T regmatch; int lead_len = 0; // Length of comment leader. if (lnum > curbuf->b_ml.ml_line_count) { return -1; } pos.lnum = 0; // In format_lines() (i.e. not insert mode), fo+=q is needed too... if ((State & INSERT) || has_format_option(FO_Q_COMS)) { lead_len = get_leader_len(ml_get(lnum), NULL, false, true); } regmatch.regprog = vim_regcomp(curbuf->b_p_flp, RE_MAGIC); if (regmatch.regprog != NULL) { regmatch.rm_ic = false; // vim_regexec() expects a pointer to a line. This lets us // start matching for the flp beyond any comment leader... if (vim_regexec(®match, ml_get(lnum) + lead_len, (colnr_T)0)) { pos.lnum = lnum; pos.col = (colnr_T)(*regmatch.endp - ml_get(lnum)); pos.coladd = 0; } vim_regfree(regmatch.regprog); } if ((pos.lnum == 0) || (*ml_get_pos(&pos) == '\0')) { return -1; } getvcol(curwin, &pos, &col, NULL, NULL); return (int)col; }
static int coladvance2( pos_T *pos, bool addspaces, /* change the text to achieve our goal? */ bool finetune, /* change char offset for the exact column */ colnr_T wcol /* column to move to */ ) { int idx; char_u *ptr; char_u *line; colnr_T col = 0; int csize = 0; int one_more; int head = 0; one_more = (State & INSERT) || restart_edit != NUL || (VIsual_active && *p_sel != 'o') || ((ve_flags & VE_ONEMORE) && wcol < MAXCOL); line = ml_get_buf(curbuf, pos->lnum, false); if (wcol >= MAXCOL) { idx = (int)STRLEN(line) - 1 + one_more; col = wcol; if ((addspaces || finetune) && !VIsual_active) { curwin->w_curswant = linetabsize(line) + one_more; if (curwin->w_curswant > 0) --curwin->w_curswant; } } else { int width = curwin->w_width - win_col_off(curwin); if (finetune && curwin->w_p_wrap && curwin->w_width != 0 && wcol >= (colnr_T)width) { csize = linetabsize(line); if (csize > 0) csize--; if (wcol / width > (colnr_T)csize / width && ((State & INSERT) == 0 || (int)wcol > csize + 1)) { /* In case of line wrapping don't move the cursor beyond the * right screen edge. In Insert mode allow going just beyond * the last character (like what happens when typing and * reaching the right window edge). */ wcol = (csize / width + 1) * width - 1; } } ptr = line; while (col <= wcol && *ptr != NUL) { /* Count a tab for what it's worth (if list mode not on) */ csize = win_lbr_chartabsize(curwin, line, ptr, col, &head); MB_PTR_ADV(ptr); col += csize; } idx = (int)(ptr - line); /* * Handle all the special cases. The virtual_active() check * is needed to ensure that a virtual position off the end of * a line has the correct indexing. The one_more comparison * replaces an explicit add of one_more later on. */ if (col > wcol || (!virtual_active() && one_more == 0)) { idx -= 1; /* Don't count the chars from 'showbreak'. */ csize -= head; col -= csize; } if (virtual_active() && addspaces && ((col != wcol && col != wcol + 1) || csize > 1)) { /* 'virtualedit' is set: The difference between wcol and col is * filled with spaces. */ if (line[idx] == NUL) { /* Append spaces */ int correct = wcol - col; char_u *newline = xmallocz((size_t)(idx + correct)); memcpy(newline, line, (size_t)idx); memset(newline + idx, ' ', (size_t)correct); ml_replace(pos->lnum, newline, false); changed_bytes(pos->lnum, (colnr_T)idx); idx += correct; col = wcol; } else { /* Break a tab */ int linelen = (int)STRLEN(line); int correct = wcol - col - csize + 1; /* negative!! */ char_u *newline; if (-correct > csize) return FAIL; newline = xmallocz((size_t)(linelen - 1 + csize)); // Copy first idx chars memcpy(newline, line, (size_t)idx); // Replace idx'th char with csize spaces memset(newline + idx, ' ', (size_t)csize); // Copy the rest of the line memcpy(newline + idx + csize, line + idx + 1, (size_t)(linelen - idx - 1)); ml_replace(pos->lnum, newline, false); changed_bytes(pos->lnum, idx); idx += (csize - 1 + correct); col += correct; } } } if (idx < 0) pos->col = 0; else pos->col = idx; pos->coladd = 0; if (finetune) { if (wcol == MAXCOL) { /* The width of the last character is used to set coladd. */ if (!one_more) { colnr_T scol, ecol; getvcol(curwin, pos, &scol, NULL, &ecol); pos->coladd = ecol - scol; } } else { int b = (int)wcol - (int)col; /* The difference between wcol and col is used to set coladd. */ if (b > 0 && b < (MAXCOL - 2 * curwin->w_width)) pos->coladd = b; col += b; } } // Prevent from moving onto a trail byte. if (has_mbyte) { mark_mb_adjustpos(curbuf, pos); } if (col < wcol) return FAIL; return OK; }
void normal() { register u_char c; long n; int flag = FALSE; int type = 0; /* used in some operations to modify type */ int dir = FORWARD; /* search direction */ u_char nchar = NUL; int finish_op; linenr_t Prenum1; char searchbuff[CMDBUFFSIZE]; /* buffer for search string */ FPOS *pos; register char *ptr; int command_busy = FALSE; static linenr_t redo_Quote_nlines; static int redo_Quote_type; static long redo_Quote_col; Prenum = 0; /* * If there is an operator pending, then the command we take this time * will terminate it. Finish_op tells us to finish the operation before * returning this time (unless the operation was cancelled). */ finish_op = (operator != NOP); if (!finish_op && !yankbuffer) opnum = 0; if (vpeekc() == NUL || KeyTyped == TRUE) premsg(NUL, NUL); State = NORMAL_BUSY; c = vgetc(); /* Pick up any leading digits and compute 'Prenum' */ while ((c >= '1' && c <= '9') || (Prenum > 0 && (c == DEL || c == '0'))) { if (c == DEL) Prenum /= 10; else Prenum = Prenum * 10 + (c - '0'); premsg(' ', NUL); c = vgetc(); } /* * If we're in the middle of an operator (including after entering a yank * buffer with ") AND we had a count before the * operator, then that count overrides the current value of Prenum. What * this means effectively, is that commands like "3dw" get turned into * "d3w" which makes things fall into place pretty neatly. * If you give a count before AND after the operator, they are multiplied. */ if (opnum != 0) { if (Prenum) Prenum *= opnum; else Prenum = opnum; opnum = 0; } Prenum1 = (Prenum == 0 ? 1 : Prenum); /* Prenum often defaults to 1 */ premsg(c, NUL); /* * get an additional character if we need one */ if (strchr("@zZtTfF[]rm'`\"", c) || (c == 'v' && Recording == FALSE)) { State = NOMAPPING; nchar = vgetc(); /* no macro mapping for this char */ premsg(c, nchar); } flushbuf(); /* flush the premsg() characters onto the screen so we can see them while the command is being executed */ if (c != 'z') /* the 'z' command gets another character */ { State = NORMAL; script_winsize_pp(); } if (nchar == ESC) { CLEAROP; goto normal_end; } switch (c) { /* * 0: Macros */ case 'v': /* (stop) recording into a named buffer */ CHECKCLEAROP; if (!dorecord(nchar)) CLEAROPBEEP; break; case '@': /* execute a named buffer */ CHECKCLEAROP; while (Prenum1--) if (!doexecbuf(nchar)) { CLEAROPBEEP; break; } break; /* * 1: Screen positioning commands */ case CTRL('D'): flag = TRUE; case CTRL('U'): CHECKCLEAROP; if (Prenum) p_scroll = (Prenum > Rows - 1) ? Rows - 1 : Prenum; n = (p_scroll < Rows) ? p_scroll : Rows - 1; if (flag) { scrollup(n); onedown(n); } else { scrolldown(n); oneup(n); } updateScreen(VALID); break; case CTRL('B'): case K_SUARROW: dir = BACKWARD; case CTRL('F'): case K_SDARROW: CHECKCLEAROP; onepage(dir, Prenum1); break; case CTRL('E'): CHECKCLEAROP; scrollup(Prenum1); updateScreen(VALID); break; case CTRL('Y'): CHECKCLEAROP; scrolldown(Prenum1); updateScreen(VALID); break; case 'z': CHECKCLEAROP; if (isdigit(nchar)) { /* * we misuse some variables to be able to call premsg() */ operator = c; opnum = Prenum; Prenum = nchar - '0'; for (;;) { premsg(' ', NUL); nchar = vgetc(); State = NORMAL; script_winsize_pp(); if (nchar == DEL) Prenum /= 10; else if (isdigit(nchar)) Prenum = Prenum * 10 + (nchar - '0'); else if (nchar == CR) { set_winsize((int)Columns, (int)Prenum, TRUE); break; } else { CLEAROPBEEP; break; } } operator = NOP; break; } if (Prenum) /* line number given */ { if (Prenum > line_count) Curpos.lnum = line_count; else Curpos.lnum = Prenum; } State = NORMAL; script_winsize_pp(); switch (nchar) { case NL: /* put Curpos at top of screen */ case CR: Topline = Prenum; updateScreen(VALID); break; case '.': /* put Curspos in middle of screen */ n = Rows / 2; goto dozcmd; case '-': /* put Curpos at bottom of screen */ n = Rows - 1; /* FALLTHROUGH */ dozcmd: { register linenr_t lp = Prenum; register long l = 0; while ((l < n) && (lp != 0)) { l += plines(lp); Topline = lp; --lp; } } updateScreen(VALID); break; default: CLEAROPBEEP; } break; /* * 2: Control commands */ case ':': if (Quote.lnum) goto dooperator; CHECKCLEAROP; docmdline(NULL); break; case K_HELP: CHECKCLEAROP; help(); break; case CTRL('L'): CHECKCLEAROP; updateScreen(CLEAR); break; case CTRL('G'): CHECKCLEAROP; fileinfo(); break; case K_CCIRCM: /* shorthand command */ CHECKCLEAROPQ; if (getaltfile((int)Prenum, (linenr_t)0, TRUE)) emsg(e_noalt); break; case 'Z': /* write, if changed, and exit */ CHECKCLEAROPQ; if (nchar != 'Z') { CLEAROPBEEP; break; } stuffReadbuff(":x\n"); break; case CTRL(']'): /* :ta to current identifier */ CHECKCLEAROPQ; case '*': /* / to current identifier */ case '#': /* ? to current identifier */ case 'K': /* run program for current identifier */ { register int col; ptr = nr2ptr(Curpos.lnum); col = Curpos.col; /* * skip to start of identifier. */ while (ptr[col] != NUL && !isidchar(ptr[col])) ++col; /* * Back up to start of identifier. This doesn't match the * real vi but I like it a little better and it shouldn't bother * anyone. */ while (col > 0 && isidchar(ptr[col - 1])) --col; if (!isidchar(ptr[col])) { CLEAROPBEEP; break; } if (Prenum) stuffnumReadbuff(Prenum); switch (c) { case '*': stuffReadbuff("/"); break; case '#': stuffReadbuff("?"); break; case 'K': stuffReadbuff(":! "); stuffReadbuff(p_kp); stuffReadbuff(" "); break; default: stuffReadbuff(":ta "); } /* * Now grab the chars in the identifier */ while (isidchar(ptr[col])) { stuffReadbuff(mkstr(ptr[col])); ++col; } stuffReadbuff("\n"); } break; case CTRL('T'): /* backwards in tag stack */ CHECKCLEAROPQ; dotag("", 2, (int)Prenum1); break; /* * Cursor motions */ case 'G': mtype = MLINE; setpcmark(); if (Prenum == 0 || Prenum > line_count) Curpos.lnum = line_count; else Curpos.lnum = Prenum; beginline(TRUE); break; case 'H': case 'M': if (c == 'M') n = Rows / 2; else n = Prenum; mtype = MLINE; Curpos.lnum = Topline; while (n && onedown((long)1)) --n; beginline(TRUE); break; case 'L': mtype = MLINE; Curpos.lnum = Botline - 1; for (n = Prenum; n && oneup((long)1); n--) ; beginline(TRUE); break; case 'l': case K_RARROW: case ' ': mtype = MCHAR; mincl = FALSE; n = Prenum1; while (n--) { if (!oneright()) { if (operator == NOP) beep(); else { if (lineempty(Curpos.lnum)) CLEAROPBEEP; else { mincl = TRUE; if (n) beep(); } } break; } } set_want_col = TRUE; break; case 'h': case K_LARROW: case CTRL('H'): case DEL: mtype = MCHAR; mincl = FALSE; n = Prenum1; while (n--) { if (!oneleft()) { if (operator != DELETE && operator != CHANGE) beep(); else if (Prenum1 == 1) CLEAROPBEEP; break; } } set_want_col = TRUE; break; case '-': flag = TRUE; /* FALLTHROUGH */ case 'k': case K_UARROW: case CTRL('P'): mtype = MLINE; if (!oneup(Prenum1)) CLEAROPBEEP; else if (flag) beginline(TRUE); break; case '+': case CR: flag = TRUE; /* FALLTHROUGH */ case 'j': case K_DARROW: case CTRL('N'): case NL: mtype = MLINE; if (!onedown(Prenum1)) CLEAROPBEEP; else if (flag) beginline(TRUE); break; /* * This is a strange motion command that helps make operators more * logical. It is actually implemented, but not documented in the * real 'vi'. This motion command actually refers to "the current * line". Commands like "dd" and "yy" are really an alternate form of * "d_" and "y_". It does accept a count, so "d3_" works to delete 3 * lines. */ case '_': lineop: mtype = MLINE; if (!onedown((long)(Prenum1 - 1))) CLEAROPBEEP; else if (operator != YANK) /* 'Y' does not move cursor */ beginline(TRUE); break; case '|': mtype = MCHAR; mincl = TRUE; beginline(FALSE); if (Prenum > 0) coladvance((colnr_t)(Prenum - 1)); Curswant = Prenum - 1; break; /* * Word Motions */ case 'B': type = 1; /* FALLTHROUGH */ case 'b': case K_SLARROW: mtype = MCHAR; mincl = FALSE; set_want_col = TRUE; if (bck_word(Prenum1, type)) CLEAROPBEEP; break; case 'E': type = 1; /* FALLTHROUGH */ case 'e': mincl = TRUE; goto dowrdcmd; case 'W': type = 1; /* FALLTHROUGH */ case 'w': case K_SRARROW: mincl = FALSE; flag = TRUE; /* * This is a little strange. To match what the real vi does, we * effectively map 'cw' to 'ce', and 'cW' to 'cE', provided that we are * not on a space or a TAB. This seems * impolite at first, but it's really more what we mean when we say * 'cw'. */ if (operator == CHANGE && (n = gcharCurpos()) != ' ' && n != TAB && n != NUL) { mincl = TRUE; flag = FALSE; } dowrdcmd: mtype = MCHAR; set_want_col = TRUE; if (flag) n = fwd_word(Prenum1, type); else n = end_word(Prenum1, type, operator == CHANGE); if (n) { CLEAROPBEEP; break; } /* * if we do a 'dw' for the last word in a line, we only delete the rest * of the line, not joining the two lines. */ if (operator == DELETE && Prenum1 == 1 && startop.lnum != Curpos.lnum) { Curpos = startop; while (oneright()) ; mincl = TRUE; } break; case '$': mtype = MCHAR; mincl = TRUE; Curswant = 29999; /* so we stay at the end */ if (!onedown((long)(Prenum1 - 1))) { CLEAROPBEEP; break; } if (Quote_block) updateScreen(NOT_VALID); break; case '^': flag = TRUE; /* FALLTHROUGH */ case '0': mtype = MCHAR; mincl = TRUE; beginline(flag); break; /* * 4: Searches */ case '?': case '/': if (!getcmdline(c, (u_char *)searchbuff)) { CLEAROP; break; } mtype = MCHAR; mincl = FALSE; set_want_col = TRUE; n = dosearch(c == '/' ? FORWARD : BACKWARD, searchbuff, FALSE, Prenum1); if (n == 0) CLEAROPBEEP; else if (n == 2) mtype = MLINE; break; case 'N': flag = 1; case 'n': mtype = MCHAR; mincl = FALSE; set_want_col = TRUE; if (!dosearch(0, NULL, flag, Prenum1)) CLEAROPBEEP; break; /* * Character searches */ case 'T': dir = BACKWARD; /* FALLTHROUGH */ case 't': type = 1; goto docsearch; case 'F': dir = BACKWARD; /* FALLTHROUGH */ case 'f': docsearch: mtype = MCHAR; mincl = TRUE; set_want_col = TRUE; if (!searchc(nchar, dir, type, Prenum1)) { CLEAROPBEEP; } break; case ',': flag = 1; /* FALLTHROUGH */ case ';': dir = flag; goto docsearch; /* nchar == NUL, thus repeat previous search */ /* * section or C function searches */ case '[': dir = BACKWARD; /* FALLTHROUGH */ case ']': mtype = MLINE; set_want_col = TRUE; flag = '{'; if (nchar != c) { if (nchar == '[' || nchar == ']') flag = '}'; else { CLEAROPBEEP; break; } } if (dir == FORWARD && operator != NOP) /* e.g. y]] searches for '}' */ flag = '}'; if (!findpar(dir, Prenum1, flag)) { CLEAROPBEEP; } break; case '%': mincl = TRUE; if (Prenum) /* {cnt}% : goto {cnt} percentage in file */ { if (Prenum > 100) CLEAROPBEEP; else { mtype = MLINE; setpcmark(); Curpos.lnum = line_count * Prenum / 100; Curpos.col = 0; } } else /* % : go to matching paren */ { mtype = MCHAR; if ((pos = showmatch()) == NULL) CLEAROPBEEP; else { setpcmark(); Curpos = *pos; set_want_col = TRUE; } } break; case '(': dir = BACKWARD; /* FALLTHROUGH */ case ')': mtype = MCHAR; if (c == ')') mincl = FALSE; else mincl = TRUE; set_want_col = TRUE; if (!findsent(dir, Prenum1)) CLEAROPBEEP; break; case '{': dir = BACKWARD; /* FALLTHROUGH */ case '}': mtype = MCHAR; mincl = FALSE; set_want_col = TRUE; if (!findpar(dir, Prenum1, NUL)) CLEAROPBEEP; break; /* * 5: Edits */ case '.': CHECKCLEAROPQ; if (!start_redo(Prenum)) CLEAROPBEEP; break; case 'u': if (Quote.lnum) goto dooperator; case K_UNDO: CHECKCLEAROPQ; u_undo((int)Prenum1); set_want_col = TRUE; break; case CTRL('R'): CHECKCLEAROPQ; u_redo((int)Prenum1); set_want_col = TRUE; break; case 'U': if (Quote.lnum) goto dooperator; CHECKCLEAROPQ; u_undoline(); set_want_col = TRUE; break; case 'r': if (Quote.lnum) { c = 'c'; goto dooperator; } CHECKCLEAROPQ; n = strlen(nr2ptr(Curpos.lnum)) - Curpos.col; if (n < Prenum1) /* not enough characters to replace */ { CLEAROPBEEP; break; } prep_redo(Prenum1, 'r', NUL, nchar); stuffnumReadbuff(Prenum1); stuffReadbuff("R"); stuffReadbuff(mkstr(nchar)); stuffReadbuff("\033"); break; case 'J': if (Quote.lnum) /* join the quoted lines */ { if (Curpos.lnum > Quote.lnum) { Prenum = Curpos.lnum - Quote.lnum + 1; Curpos.lnum = Quote.lnum; } else Prenum = Quote.lnum - Curpos.lnum + 1; Quote.lnum = 0; } CHECKCLEAROP; if (Prenum <= 1) Prenum = 2; /* default for join is two lines! */ if (Curpos.lnum + Prenum - 1 > line_count) /* beyond last line */ { CLEAROPBEEP; break; } prep_redo(Prenum, 'J', NUL, NUL); dodojoin(Prenum, TRUE, TRUE); break; case 'P': dir = BACKWARD; /* FALLTHROUGH */ case 'p': CHECKCLEAROPQ; prep_redo(Prenum, c, NUL, NUL); doput(dir, Prenum1); break; case CTRL('A'): /* add to number */ case CTRL('S'): /* subtract from number */ CHECKCLEAROPQ; { register int col; char buf[30]; int hex; /* 'x' or 'X': hexadecimal; '0': octal */ static int hexupper = FALSE; /* 0xABC */ ptr = nr2ptr(Curpos.lnum); col = Curpos.col; /* first check if we are on a hexadecimal number */ while (col > 0 && isxdigit(ptr[col])) --col; if (col > 0 && toupper(ptr[col]) == 'X' && ptr[col - 1] == '0' && isxdigit(ptr[col + 1])) --col; /* found hexadecimal number */ else { /* first search forward and then backward for start of number */ col = Curpos.col; while (ptr[col] != NUL && !isdigit(ptr[col])) ++col; while (col > 0 && isdigit(ptr[col - 1])) --col; } if (isdigit(ptr[col]) && u_saveCurpos()) { set_want_col = TRUE; prep_redo(Prenum1, c, NUL, NUL); if (ptr[col] != '0') hex = 0; /* decimal */ else { hex = toupper(ptr[col + 1]); /* assume hexadecimal */ if (hex != 'X' || !isxdigit(ptr[col + 2])) { if (isdigit(hex)) hex = '0'; /* octal */ else hex = 0; /* 0 by itself is decimal */ } } if (!hex && col > 0 && ptr[col - 1] == '-') --col; ptr += col; if (hex == '0') sscanf(ptr, "%lo", &n); else if (hex) sscanf(ptr, "%lx", &n); /* "%X" doesn't work! */ else n = atol(ptr); if (c == CTRL('A')) n += Prenum1; else n -= Prenum1; if (hex == 'X') /* skip the '0x' */ col += 2; Curpos.col = col; do /* delete the old number */ { if (isalpha(c)) { if (isupper(c)) hexupper = TRUE; else hexupper = FALSE; } delchar(FALSE); c = gcharCurpos(); } while (hex ? (hex == '0' ? c >= '0' && c <= '7' : isxdigit(c)) : isdigit(c)); if (hex == '0') sprintf(buf, "0%lo", n); else if (hexupper) sprintf(buf, "%lX", n); else if (hex) sprintf(buf, "%lx", n); else sprintf(buf, "%ld", n); insstr(buf); /* insert the new number */ --Curpos.col; updateline(); } else beep(); } break; /* * 6: Inserts */ case 'A': set_want_col = TRUE; while (oneright()) ; /* FALLTHROUGH */ case 'a': CHECKCLEAROPQ; /* Works just like an 'i'nsert on the next character. */ if (u_saveCurpos()) { if (!lineempty(Curpos.lnum)) incCurpos(); startinsert(c, FALSE, Prenum1); command_busy = TRUE; } break; case 'I': beginline(TRUE); /* FALLTHROUGH */ case 'i': CHECKCLEAROPQ; if (u_saveCurpos()) { startinsert(c, FALSE, Prenum1); command_busy = TRUE; } break; case 'o': if (Quote.lnum) /* switch start and end of quote */ { Prenum = Quote.lnum; Quote.lnum = Curpos.lnum; Curpos.lnum = Prenum; n = Quote.col; Quote.col = Curpos.col; Curpos.col = n; break; } CHECKCLEAROP; if (u_save(Curpos.lnum, (linenr_t)(Curpos.lnum + 1)) && Opencmd(FORWARD, TRUE)) { startinsert('o', TRUE, Prenum1); command_busy = TRUE; } break; case 'O': CHECKCLEAROPQ; if (u_save((linenr_t)(Curpos.lnum - 1), Curpos.lnum) && Opencmd(BACKWARD, TRUE)) { startinsert('O', TRUE, Prenum1); command_busy = TRUE; } break; case 'R': if (Quote.lnum) { c = 'c'; Quote.col = QUOTELINE; goto dooperator; } CHECKCLEAROPQ; if (u_saveCurpos()) { startinsert('R', FALSE, Prenum1); command_busy = TRUE; } break; /* * 7: Operators */ case '~': /* swap case */ /* * if tilde is not an operator and Quoting is off: swap case * of a single character */ if (!p_to && !Quote.lnum) { CHECKCLEAROPQ; if (lineempty(Curpos.lnum)) { CLEAROPBEEP; break; } prep_redo(Prenum, '~', NUL, NUL); if (!u_saveCurpos()) break; for (; Prenum1 > 0; --Prenum1) { if (gcharCurpos() == NUL) break; swapchar(&Curpos); incCurpos(); } set_want_col = TRUE; CHANGED; updateline(); break; } /*FALLTHROUGH*/ case 'd': case 'c': case 'y': case '>': case '<': case '!': case '=': case 'V': dooperator: n = strchr(opchars, c) - opchars + 1; if (n == operator) /* double operator works on lines */ goto lineop; CHECKCLEAROP; if (Prenum != 0) opnum = Prenum; startop = Curpos; operator = n; break; /* * 8: Abbreviations */ /* when quoting the next commands are operators */ case 'S': case 'Y': case 'D': case 'C': case 'x': case 'X': case 's': if (Quote.lnum) { static char trans[] = "ScYyDdCcxdXdsc"; if (isupper(c)) /* uppercase means linewise */ Quote.col = QUOTELINE; c = *(strchr(trans, c) + 1); goto dooperator; } case '&': CHECKCLEAROPQ; if (Prenum) stuffnumReadbuff(Prenum); if (c == 'S') { beginline((int)p_ai); substituting = TRUE; } else if (c == 'Y' && p_ye) c = 'Z'; { static char *(ar[9]) = {"dl", "dh", "d$", "c$", "cl", "c$", "yy", "y$", ":s\r"}; static char *str = "xXDCsSYZ&"; stuffReadbuff(ar[strchr(str, c) - str]); } break; /* * 9: Marks */ case 'm': CHECKCLEAROP; if (!setmark(nchar)) CLEAROPBEEP; break; case '\'': flag = TRUE; /* FALLTHROUGH */ case '`': pos = getmark(nchar, (operator == NOP)); if (pos == (FPOS *)-1) /* jumped to other file */ { if (flag) beginline(TRUE); break; } if (pos != NULL) setpcmark(); cursormark: if (pos == NULL) CLEAROPBEEP; else { Curpos = *pos; if (flag) beginline(TRUE); } mtype = flag ? MLINE : MCHAR; mincl = FALSE; /* ignored if not MCHAR */ set_want_col = TRUE; break; case CTRL('O'): /* goto older pcmark */ Prenum1 = -Prenum1; /* FALLTHROUGH */ case CTRL('I'): /* goto newer pcmark */ CHECKCLEAROPQ; pos = movemark((int)Prenum1); if (pos == (FPOS *)-1) /* jump to other file */ { set_want_col = TRUE; break; } goto cursormark; /* * 10. Buffer setting */ case '"': CHECKCLEAROP; if (isalnum(nchar) || nchar == '.') { yankbuffer = nchar; opnum = Prenum; /* remember count before '"' */ } else CLEAROPBEEP; break; /* * 11. Quoting */ case 'q': case 'Q': case CTRL('Q'): CHECKCLEAROP; Quote_block = FALSE; if (Quote.lnum) /* stop quoting */ { Quote.lnum = 0; updateScreen(NOT_VALID); /* delete the inversion */ } else /* start quoting */ { Quote = Curpos; if (c == 'Q') /* linewise */ Quote.col = QUOTELINE; else if (c == CTRL('Q')) /* blockwise */ Quote_block = TRUE; updateline(); /* start the inversion */ } break; /* * 12. Suspend */ case CTRL('Z'): CLEAROP; Quote.lnum = 0; /* stop quoting */ stuffReadbuff(":st!\r"); /* no autowrite */ break; /* * The end */ case ESC: if (Quote.lnum) { Quote.lnum = 0; /* stop quoting */ updateScreen(NOT_VALID); } default: /* not a known command */ CLEAROPBEEP; break; } /* end of switch on command character */ /* * if we didn't start or finish an operator, reset yankbuffer, unless we * need it later. */ if (!finish_op && !operator && strchr("\"DCYSsXx", c) == NULL) yankbuffer = 0; /* * If an operation is pending, handle it... */ if ((Quote.lnum || finish_op) && operator != NOP) { if (operator != YANK && !Quote.lnum) /* can't redo yank */ { prep_redo(Prenum, opchars[operator - 1], c, nchar); if (c == '/' || c == '?') /* was a search */ { AppendToRedobuff(searchbuff); AppendToRedobuff(NL_STR); } } if (redo_Quote_busy) { startop = Curpos; Curpos.lnum += redo_Quote_nlines - 1; switch (redo_Quote_type) { case 'Q': Quote.col = QUOTELINE; break; case CTRL('Q'): Quote_block = TRUE; break; case 'q': if (redo_Quote_nlines <= 1) Curpos.col += redo_Quote_col; else Curpos.col = redo_Quote_col; break; } if (redo_Quote_col == 29999) { Curswant = 29999; coladvance(29999); } } else if (Quote.lnum) startop = Quote; if (lt(startop, Curpos)) { endop = Curpos; Curpos = startop; } else { endop = startop; startop = Curpos; } nlines = endop.lnum - startop.lnum + 1; if (Quote.lnum || redo_Quote_busy) { if (Quote_block) /* block mode */ { startvcol = getvcol(&startop, 2); n = getvcol(&endop, 2); if (n < startvcol) startvcol = n; /* if '$' was used, get endvcol from longest line */ if (Curswant == 29999) { Curpos.col = 29999; endvcol = 0; for (Curpos.lnum = startop.lnum; Curpos.lnum <= endop.lnum; ++Curpos.lnum) if ((n = getvcol(&Curpos, 3)) > endvcol) endvcol = n; Curpos = startop; } else if (redo_Quote_busy) endvcol = startvcol + redo_Quote_col; else { endvcol = getvcol(&startop, 3); n = getvcol(&endop, 3); if (n > endvcol) endvcol = n; } coladvance(startvcol); } /* * prepare to redo quoting: this is based on the size * of the quoted text */ if (operator != YANK) /* can't redo yank */ { prep_redo(0L, 'q', opchars[operator - 1], NUL); if (Quote_block) redo_Quote_type = CTRL('Q'); else if (Quote.col == QUOTELINE) redo_Quote_type = 'Q'; else redo_Quote_type = 'q'; if (Curswant == 29999) redo_Quote_col = 29999; else if (Quote_block) redo_Quote_col = endvcol - startvcol; else if (nlines > 1) redo_Quote_col = endop.col; else redo_Quote_col = endop.col - startop.col; redo_Quote_nlines = nlines; } mincl = TRUE; if (Quote.col == QUOTELINE) mtype = MLINE; else mtype = MCHAR; redo_Quote_busy = FALSE; /* * Switch quoting off now, so screen updating does * not show inverted text when the screen is redrawn. * With YANK and sometimes with COLON there is no screen redraw, so * it is done here to remove the inverted part. */ Quote.lnum = 0; if (operator == YANK || operator == COLON) updateScreen(NOT_VALID); } set_want_col = 1; if (!mincl && !equal(startop, endop)) oneless = 1; else oneless = 0; switch (operator) { case LSHIFT: case RSHIFT: adjust_lnum(); doshift(operator); break; case DELETE: dodelete(); break; case YANK: doyank(FALSE); break; case CHANGE: dochange(); break; case FILTER: AppendToRedobuff("!\n"); /* strange but necessary */ case INDENT: case COLON: adjust_lnum(); sprintf(IObuff, ":%ld,%ld", (long)startop.lnum, (long)endop.lnum); stuffReadbuff(IObuff); if (operator != COLON) stuffReadbuff("!"); if (operator == INDENT) { stuffReadbuff(p_ep); stuffReadbuff("\n"); } /* docmdline() does the rest */ break; case TILDE: case UPPER: case LOWER: dotilde(); break; case FORMAT: adjust_lnum(); doformat(); break; default: CLEAROPBEEP; } operator = NOP; Quote_block = FALSE; yankbuffer = 0; } normal_end: premsg(-1, NUL); if (restart_edit && operator == NOP && Quote.lnum == 0 && !command_busy && stuff_empty() && yankbuffer == 0) startinsert(NUL, FALSE, 1L); }
void normal() { register int c; long n; int flag = FALSE; int flag2 = FALSE; int type = 0; /* type of operation */ int dir = FORWARD; /* search direction */ int nchar = NUL; int finish_op; linenr_t Prenum1; char_u searchbuff[CMDBUFFSIZE];/* buffer for search string */ FPOS *pos = NULL; /* init for gcc */ register char_u *ptr; int command_busy = FALSE; static int didwarn = FALSE; /* warned for broken inversion */ int modified = FALSE; /* changed current buffer */ int ctrl_w = FALSE; /* got CTRL-W command */ /* the visual area is remembered for reselection */ static linenr_t resel_Visual_nlines; /* number of lines */ static int resel_Visual_type = 0; /* type 'v', 'V' or CTRL-V */ static colnr_t resel_Visual_col; /* number of columns or end column */ /* the visual area is remembered for redo */ static linenr_t redo_Visual_nlines; /* number of lines */ static int redo_Visual_type = 0; /* type 'v', 'V' or CTRL-V */ static colnr_t redo_Visual_col; /* number of columns or end column */ static long redo_Visual_Prenum; /* Prenum for operator */ Prenum = 0; /* * If there is an operator pending, then the command we take this time * will terminate it. Finish_op tells us to finish the operation before * returning this time (unless the operation was cancelled). */ finish_op = (operator != NOP); if (!finish_op && !yankbuffer) opnum = 0; if (p_sc && (vpeekc() == NUL || KeyTyped == TRUE)) premsg(NUL, NUL); State = NORMAL_BUSY; c = vgetc(); getcount: /* Pick up any leading digits and compute 'Prenum' */ while ((c >= '1' && c <= '9') || (Prenum != 0 && (c == DEL || c == '0'))) { if (c == DEL) Prenum /= 10; else Prenum = Prenum * 10 + (c - '0'); if (Prenum < 0) /* got too large! */ Prenum = 999999999; premsg(ctrl_w ? Ctrl('W') : ' ', NUL); c = vgetc(); } /* * If we got CTRL-W there may be a/another count */ if (c == Ctrl('W') && !ctrl_w) { ctrl_w = TRUE; opnum = Prenum; /* remember first count */ Prenum = 0; State = ONLYKEY; /* no mapping for nchar, but keys */ premsg(c, NUL); c = vgetc(); /* get next character */ goto getcount; /* jump back */ } /* * If we're in the middle of an operator (including after entering a yank * buffer with ") AND we had a count before the * operator, then that count overrides the current value of Prenum. What * this means effectively, is that commands like "3dw" get turned into * "d3w" which makes things fall into place pretty neatly. * If you give a count before AND after the operator, they are multiplied. */ if (opnum != 0) { if (Prenum) Prenum *= opnum; else Prenum = opnum; opnum = 0; } Prenum1 = (Prenum == 0 ? 1 : Prenum); /* Prenum often defaults to 1 */ premsg(c, NUL); /* * get an additional character if we need one * for CTRL-W we already got it when looking for a count */ if (ctrl_w) { nchar = c; c = Ctrl('W'); premsg(c, nchar); } else if (strchr("@zZtTfF[]mg'`\"", c) || (c == 'q' && !Recording && !Exec_reg) || (c == 'r' && !VIsual.lnum)) { State = NOMAPPING; nchar = vgetc(); /* no macro mapping for this char */ premsg(c, nchar); } if (p_sc) flushbuf(); /* flush the premsg() characters onto the screen so we can see them while the command is being executed */ /* * For commands that don't get another character we can put the State back to * NORMAL and check for a window size change. */ if (STRCHR("z:/?", c) == NULL) State = NORMAL; if (nchar == ESC) { CLEAROP; goto normal_end; } switch (c) { /* * 0: Macros */ case 'q': /* (stop) recording into a named register */ CHECKCLEAROP; /* command is ignored while executing a register */ if (!Exec_reg && dorecord(nchar) == FAIL) CLEAROPBEEP; break; case '@': /* execute a named buffer */ CHECKCLEAROP; while (Prenum1--) { if (doexecbuf(nchar) == FAIL) { CLEAROPBEEP; break; } } break; /* * 1: Screen positioning commands */ case Ctrl('D'): flag = TRUE; case Ctrl('U'): CHECKCLEAROP; if (Prenum) curwin->w_p_scroll = (Prenum > curwin->w_height) ? curwin->w_height : Prenum; n = (curwin->w_p_scroll <= curwin->w_height) ? curwin->w_p_scroll : curwin->w_height; if (flag) { curwin->w_topline += n; if (curwin->w_topline > curbuf->b_ml.ml_line_count) curwin->w_topline = curbuf->b_ml.ml_line_count; comp_Botline(curwin); /* compute curwin->w_botline */ (void)onedown(n); } else { if (n >= curwin->w_cursor.lnum) n = curwin->w_cursor.lnum - 1; Prenum1 = curwin->w_cursor.lnum - n; scrolldown(n); if (Prenum1 < curwin->w_cursor.lnum) curwin->w_cursor.lnum = Prenum1; } beginline(TRUE); updateScreen(VALID); break; case Ctrl('B'): case K_SUARROW: dir = BACKWARD; case Ctrl('F'): case K_SDARROW: CHECKCLEAROP; (void)onepage(dir, Prenum1); break; case Ctrl('E'): CHECKCLEAROP; scrollup(Prenum1); /* We may have moved to another line -- webb */ coladvance(curwin->w_curswant); updateScreen(VALID); break; case Ctrl('Y'): CHECKCLEAROP; scrolldown(Prenum1); /* We may have moved to another line -- webb */ coladvance(curwin->w_curswant); updateScreen(VALID); break; case 'z': CHECKCLEAROP; if (isdigit(nchar)) { /* * we misuse some variables to be able to call premsg() */ operator = c; opnum = Prenum; Prenum = nchar - '0'; for (;;) { premsg(' ', NUL); nchar = vgetc(); State = NORMAL; if (nchar == DEL) Prenum /= 10; else if (isdigit(nchar)) Prenum = Prenum * 10 + (nchar - '0'); else if (nchar == CR) { win_setheight((int)Prenum); break; } else { CLEAROPBEEP; break; } } operator = NOP; break; } if (Prenum && Prenum != curwin->w_cursor.lnum) /* line number given */ { setpcmark(); if (Prenum > curbuf->b_ml.ml_line_count) curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count; else curwin->w_cursor.lnum = Prenum; } State = NORMAL; /* for updateScreen() */ switch (nchar) { case NL: /* put curwin->w_cursor at top of screen */ case CR: beginline(TRUE); case 't': curwin->w_topline = curwin->w_cursor.lnum; break; case '.': /* put curwin->w_cursor in middle of screen */ case 'z': n = (curwin->w_height + plines(curwin->w_cursor.lnum)) / 2; goto dozcmd; case '-': /* put curwin->w_cursor at bottom of screen */ case 'b': n = curwin->w_height; /* FALLTHROUGH */ dozcmd: { register linenr_t lp = curwin->w_cursor.lnum; register long l = plines(lp); do { curwin->w_topline = lp; if (--lp == 0) break; l += plines(lp); } while (l <= n); } if (nchar != 'z' && nchar != 'b') beginline(TRUE); break; case Ctrl('S'): /* ignore CTRL-S and CTRL-Q to avoid problems */ case Ctrl('Q'): /* with terminals that use xon/xoff */ break; default: CLEAROPBEEP; } updateScreen(VALID); break; /* * 2: Control commands */ case ':': if (VIsual.lnum) goto dooperator; CHECKCLEAROP; /* * translate "count:" into ":.,.+(count - 1)" */ if (Prenum) { stuffReadbuff((char_u *)"."); if (Prenum > 1) { stuffReadbuff((char_u *)",.+"); stuffnumReadbuff((long)Prenum - 1L); } } docmdline(NULL); modified = TRUE; break; case K_HELP: CHECKCLEAROP; help(); break; case Ctrl('L'): CHECKCLEAROP; updateScreen(CLEAR); break; case Ctrl('G'): CHECKCLEAROP; fileinfo(did_cd || Prenum); /* print full name if count given or :cd used */ break; case K_CCIRCM: /* CTRL-^, short for ":e #" */ CHECKCLEAROPQ; (void)buflist_getfile((int)Prenum, (linenr_t)0, TRUE); break; case 'Z': /* write, if changed, and exit */ CHECKCLEAROPQ; if (nchar != 'Z') { CLEAROPBEEP; break; } stuffReadbuff((char_u *)":x\n"); break; case Ctrl(']'): /* :ta to current identifier */ CHECKCLEAROPQ; case '*': /* / to current identifier or string */ case '#': /* ? to current identifier or string */ case 'K': /* run program for current identifier */ { register int col; register int i; /* * if i == 0: try to find an identifier * if i == 1: try to find any string */ ptr = ml_get(curwin->w_cursor.lnum); for (i = 0; i < 2; ++i) { /* * skip to start of identifier/string */ col = curwin->w_cursor.col; while (ptr[col] != NUL && (i == 0 ? !isidchar(ptr[col]) : iswhite(ptr[col]))) ++col; /* * Back up to start of identifier/string. This doesn't match the * real vi but I like it a little better and it shouldn't bother * anyone. */ while (col > 0 && (i == 0 ? isidchar(ptr[col - 1]) : (!iswhite(ptr[col - 1]) && !isidchar(ptr[col - 1])))) --col; /* * if identifier found or not '*' or '#' command, stop searching */ if (isidchar(ptr[col]) || (c != '*' && c != '#')) break; } /* * did't find an identifier of string */ if (ptr[col] == NUL || (!isidchar(ptr[col]) && i == 0)) { CLEAROPBEEP; break; } if (Prenum) stuffnumReadbuff(Prenum); switch (c) { case '*': stuffReadbuff((char_u *)"/"); goto sow; case '#': stuffReadbuff((char_u *)"?"); sow: if (i == 0) stuffReadbuff((char_u *)"\\<"); break; case 'K': stuffReadbuff((char_u *)":! "); stuffReadbuff(p_kp); stuffReadbuff((char_u *)" "); break; default: stuffReadbuff((char_u *)":ta "); } /* * Now grab the chars in the identifier */ while (i == 0 ? isidchar(ptr[col]) : (ptr[col] != NUL && !iswhite(ptr[col]))) { stuffcharReadbuff(ptr[col]); ++col; } if ((c == '*' || c == '#') && i == 0) stuffReadbuff((char_u *)"\\>"); stuffReadbuff((char_u *)"\n"); } break; case Ctrl('T'): /* backwards in tag stack */ CHECKCLEAROPQ; dotag((char_u *)"", 2, (int)Prenum1); break; /* * Cursor motions */ case 'G': mtype = MLINE; setpcmark(); if (Prenum == 0 || Prenum > curbuf->b_ml.ml_line_count) curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count; else curwin->w_cursor.lnum = Prenum; beginline(TRUE); break; case 'H': case 'M': if (c == 'M') n = (curwin->w_height - curwin->w_empty_rows) / 2; else n = Prenum; mtype = MLINE; setpcmark(); curwin->w_cursor.lnum = curwin->w_topline; while (n && onedown((long)1) == OK) --n; beginline(TRUE); break; case 'L': mtype = MLINE; setpcmark(); curwin->w_cursor.lnum = curwin->w_botline - 1; for (n = Prenum; n && oneup((long)1) == OK; n--) ; beginline(TRUE); break; case 'l': case K_RARROW: case ' ': mtype = MCHAR; mincl = FALSE; n = Prenum1; while (n--) { if (oneright() == FAIL) { /* space wraps to next line if 'whichwrap' bit 1 set */ /* 'l' wraps to next line if 'whichwrap' bit 2 set */ /* CURS_RIGHT wraps to next line if 'whichwrap' bit 3 set */ if (((c == ' ' && (p_ww & 2)) || (c == 'l' && (p_ww & 4)) || (c == K_RARROW && (p_ww & 8))) && curwin->w_cursor.lnum < curbuf->b_ml.ml_line_count) { ++curwin->w_cursor.lnum; curwin->w_cursor.col = 0; curwin->w_set_curswant = TRUE; continue; } if (operator == NOP) beep(); else { if (lineempty(curwin->w_cursor.lnum)) CLEAROPBEEP; else { mincl = TRUE; if (n) beep(); } } break; } } break; case Ctrl('H'): case 'h': case K_LARROW: case DEL: mtype = MCHAR; mincl = FALSE; n = Prenum1; while (n--) { if (oneleft() == FAIL) { /* backspace and del wrap to previous line if 'whichwrap' * bit 0 set */ /* 'h' wraps to previous line if 'whichwrap' bit 2 set */ /* CURS_LEFT wraps to previous line if 'whichwrap' bit 3 set */ if ((((c == Ctrl('H') || c == DEL) && (p_ww & 1)) || (c == 'h' && (p_ww & 4)) || (c == K_LARROW && (p_ww & 8))) && curwin->w_cursor.lnum > 1) { --(curwin->w_cursor.lnum); coladvance(MAXCOL); curwin->w_set_curswant = TRUE; continue; } else if (operator != DELETE && operator != CHANGE) beep(); else if (Prenum1 == 1) CLEAROPBEEP; break; } } break; case '-': flag = TRUE; /* FALLTHROUGH */ case 'k': case K_UARROW: case Ctrl('P'): mtype = MLINE; if (oneup(Prenum1) == FAIL) CLEAROPBEEP; else if (flag) beginline(TRUE); break; case '+': case CR: flag = TRUE; /* FALLTHROUGH */ case 'j': case K_DARROW: case Ctrl('N'): case NL: mtype = MLINE; if (onedown(Prenum1) == FAIL) CLEAROPBEEP; else if (flag) beginline(TRUE); break; /* * This is a strange motion command that helps make operators more * logical. It is actually implemented, but not documented in the * real 'vi'. This motion command actually refers to "the current * line". Commands like "dd" and "yy" are really an alternate form of * "d_" and "y_". It does accept a count, so "d3_" works to delete 3 * lines. */ case '_': lineop: mtype = MLINE; if (onedown((long)(Prenum1 - 1)) == FAIL) CLEAROPBEEP; if (operator != YANK) /* 'Y' does not move cursor */ beginline(TRUE); break; case '|': mtype = MCHAR; mincl = TRUE; beginline(FALSE); if (Prenum > 0) coladvance((colnr_t)(Prenum - 1)); curwin->w_curswant = (colnr_t)(Prenum - 1); /* keep curswant at the column where we wanted to go, not where we ended; differs is line is too short */ curwin->w_set_curswant = FALSE; break; /* * Word Motions */ case 'B': type = 1; /* FALLTHROUGH */ case 'b': case K_SLARROW: mtype = MCHAR; mincl = FALSE; curwin->w_set_curswant = TRUE; if (bck_word(Prenum1, type)) CLEAROPBEEP; break; case 'E': type = 1; /* FALLTHROUGH */ case 'e': mincl = TRUE; goto dowrdcmd; case 'W': type = 1; /* FALLTHROUGH */ case 'w': case K_SRARROW: mincl = FALSE; flag = TRUE; /* * This is a little strange. To match what the real vi does, we * effectively map 'cw' to 'ce', and 'cW' to 'cE', provided that we are * not on a space or a TAB. This seems * impolite at first, but it's really more what we mean when we say * 'cw'. * Another strangeness: When standing on the end of a word "ce" will * change until the end of the next wordt, but "cw" will change only * one character! This is done by setting type to 2. */ if (operator == CHANGE && (n = gchar_cursor()) != ' ' && n != TAB && n != NUL) { mincl = TRUE; flag = FALSE; flag2 = TRUE; } dowrdcmd: mtype = MCHAR; curwin->w_set_curswant = TRUE; if (flag) n = fwd_word(Prenum1, type, operator != NOP); else n = end_word(Prenum1, type, flag2); if (n) { CLEAROPBEEP; break; } #if 0 /* * If we do a 'dw' for the last word in a line, we only delete the rest * of the line, not joining the two lines, unless the current line is empty. */ if (operator == DELETE && Prenum1 == 1 && curbuf->b_startop.lnum != curwin->w_cursor.lnum && !lineempty(startop.lnum)) { curwin->w_cursor = curbuf->b_startop; while (oneright() == OK) ; mincl = TRUE; } #endif break; case '$': mtype = MCHAR; mincl = TRUE; curwin->w_curswant = MAXCOL; /* so we stay at the end */ if (onedown((long)(Prenum1 - 1)) == FAIL) { CLEAROPBEEP; break; } break; case '^': flag = TRUE; /* FALLTHROUGH */ case '0': mtype = MCHAR; mincl = FALSE; beginline(flag); break; /* * 4: Searches */ case '?': case '/': if (!getcmdline(c, searchbuff)) { CLEAROP; break; } mtype = MCHAR; mincl = FALSE; curwin->w_set_curswant = TRUE; n = dosearch(c, searchbuff, FALSE, Prenum1, TRUE, TRUE); if (n == 0) CLEAROP; else if (n == 2) mtype = MLINE; break; case 'N': flag = 1; case 'n': mtype = MCHAR; mincl = FALSE; curwin->w_set_curswant = TRUE; if (!dosearch(0, NULL, flag, Prenum1, TRUE, TRUE)) CLEAROP; break; /* * Character searches */ case 'T': dir = BACKWARD; /* FALLTHROUGH */ case 't': type = 1; goto docsearch; case 'F': dir = BACKWARD; /* FALLTHROUGH */ case 'f': docsearch: mtype = MCHAR; if (dir == BACKWARD) mincl = FALSE; else mincl = TRUE; curwin->w_set_curswant = TRUE; if (!searchc(nchar, dir, type, Prenum1)) CLEAROPBEEP; break; case ',': flag = 1; /* FALLTHROUGH */ case ';': dir = flag; goto docsearch; /* nchar == NUL, thus repeat previous search */ /* * section or C function searches */ case '[': dir = BACKWARD; /* FALLTHROUGH */ case ']': mtype = MCHAR; mincl = FALSE; /* * "[f" or "]f" : Edit file under the cursor (same as "gf") */ if ((c == ']' || c == '[') && nchar == 'f') goto gotofile; /* * "[{", "[(", "]}" or "])": go to Nth unclosed '{', '(', '}' or ')' */ if ((c == '[' && (nchar == '{' || nchar == '(')) || ((c == ']' && (nchar == '}' || nchar == ')')))) { FPOS old_pos; old_pos = curwin->w_cursor; while (Prenum1--) { if ((pos = showmatch(nchar)) == NULL) { CLEAROPBEEP; break; } curwin->w_cursor = *pos; } curwin->w_cursor = old_pos; if (pos != NULL) { setpcmark(); curwin->w_cursor = *pos; curwin->w_set_curswant = TRUE; } break; } /* * "[[", "[]", "]]" and "][": move to start or end of function */ if (nchar == '[' || nchar == ']') { if (nchar == c) /* "]]" or "[[" */ flag = '{'; else flag = '}'; /* "][" or "[]" */ curwin->w_set_curswant = TRUE; /* * Imitate strange vi behaviour: When using "]]" with an operator we * also stop at '}'. */ if (!findpar(dir, Prenum1, flag, (operator != NOP && dir == FORWARD && flag == '{'))) CLEAROPBEEP; break; } /* * "[p" and "]p": put with indent adjustment */ if (nchar == 'p') { doput((c == ']') ? FORWARD : BACKWARD, Prenum1, TRUE); modified = TRUE; break; } /* * end of '[' and ']': not a valid nchar */ CLEAROPBEEP; break; case '%': mincl = TRUE; if (Prenum) /* {cnt}% : goto {cnt} percentage in file */ { if (Prenum > 100) CLEAROPBEEP; else { mtype = MLINE; setpcmark(); /* round up, so CTRL-G will give same value */ curwin->w_cursor.lnum = (curbuf->b_ml.ml_line_count * Prenum + 99) / 100; beginline(TRUE); } } else /* % : go to matching paren */ { mtype = MCHAR; if ((pos = showmatch(NUL)) == NULL) CLEAROPBEEP; else { setpcmark(); curwin->w_cursor = *pos; curwin->w_set_curswant = TRUE; } } break; case '(': dir = BACKWARD; /* FALLTHROUGH */ case ')': mtype = MCHAR; if (c == ')') mincl = FALSE; else mincl = TRUE; curwin->w_set_curswant = TRUE; if (!findsent(dir, Prenum1)) CLEAROPBEEP; break; case '{': dir = BACKWARD; /* FALLTHROUGH */ case '}': mtype = MCHAR; mincl = FALSE; curwin->w_set_curswant = TRUE; if (!findpar(dir, Prenum1, NUL, FALSE)) CLEAROPBEEP; break; /* * 5: Edits */ case '.': CHECKCLEAROPQ; if (start_redo(Prenum) == FAIL) CLEAROPBEEP; modified = TRUE; break; case 'u': if (VIsual.lnum) goto dooperator; case K_UNDO: CHECKCLEAROPQ; u_undo((int)Prenum1); curwin->w_set_curswant = TRUE; modified = TRUE; break; case Ctrl('R'): CHECKCLEAROPQ; u_redo((int)Prenum1); curwin->w_set_curswant = TRUE; modified = TRUE; break; case 'U': if (VIsual.lnum) goto dooperator; CHECKCLEAROPQ; u_undoline(); curwin->w_set_curswant = TRUE; modified = TRUE; break; case 'r': if (VIsual.lnum) { c = 'c'; goto dooperator; } CHECKCLEAROPQ; ptr = ml_get_cursor(); if (STRLEN(ptr) < (unsigned)Prenum1) /* not enough characters to replace */ { CLEAROPBEEP; break; } /* * Replacing with a line break or tab is done by edit(), because it * is complicated. * Other characters are done below to avoid problems with things like * CTRL-V 048 (for edit() this would be R CTRL-V 0 ESC). */ if (nchar == '\r' || nchar == '\n' || nchar == '\t') { prep_redo(Prenum1, 'r', nchar, NUL); stuffnumReadbuff(Prenum1); stuffcharReadbuff('R'); stuffcharReadbuff(nchar); stuffcharReadbuff(ESC); break; } if (nchar == Ctrl('V')) /* get another character */ { c = Ctrl('V'); nchar = get_literal(&type); if (type) /* typeahead */ stuffcharReadbuff(type); } else c = NUL; prep_redo(Prenum1, 'r', c, nchar); if (!u_save_cursor()) /* save line for undo */ break; /* * Get ptr again, because u_save will have released the line. * At the same time we let know that the line will be changed. */ ptr = ml_get_buf(curbuf, curwin->w_cursor.lnum, TRUE) + curwin->w_cursor.col; curwin->w_cursor.col += Prenum1 - 1; while (Prenum1--) /* replace the characters */ *ptr++ = nchar; curwin->w_set_curswant = TRUE; CHANGED; updateline(); modified = TRUE; break; case 'J': if (VIsual.lnum) /* join the visual lines */ { if (curwin->w_cursor.lnum > VIsual.lnum) { Prenum = curwin->w_cursor.lnum - VIsual.lnum + 1; curwin->w_cursor.lnum = VIsual.lnum; } else Prenum = VIsual.lnum - curwin->w_cursor.lnum + 1; VIsual.lnum = 0; } CHECKCLEAROP; if (Prenum <= 1) Prenum = 2; /* default for join is two lines! */ if (curwin->w_cursor.lnum + Prenum - 1 > curbuf->b_ml.ml_line_count) /* beyond last line */ { CLEAROPBEEP; break; } prep_redo(Prenum, 'J', NUL, NUL); dodojoin(Prenum, TRUE, TRUE); modified = TRUE; break; case 'P': dir = BACKWARD; /* FALLTHROUGH */ case 'p': CHECKCLEAROPQ; prep_redo(Prenum, c, NUL, NUL); doput(dir, Prenum1, FALSE); modified = TRUE; break; case Ctrl('A'): /* add to number */ case Ctrl('X'): /* subtract from number */ CHECKCLEAROPQ; if (doaddsub((int)c, Prenum1) == OK) prep_redo(Prenum1, c, NUL, NUL); modified = TRUE; break; /* * 6: Inserts */ case 'A': curwin->w_set_curswant = TRUE; while (oneright() == OK) ; /* FALLTHROUGH */ case 'a': CHECKCLEAROPQ; /* Works just like an 'i'nsert on the next character. */ if (u_save_cursor()) { if (!lineempty(curwin->w_cursor.lnum)) inc_cursor(); startinsert(c, FALSE, Prenum1); modified = TRUE; command_busy = TRUE; } break; case 'I': beginline(TRUE); /* FALLTHROUGH */ case 'i': CHECKCLEAROPQ; if (u_save_cursor()) { startinsert(c, FALSE, Prenum1); modified = TRUE; command_busy = TRUE; } break; case 'o': if (VIsual.lnum) /* switch start and end of visual */ { Prenum = VIsual.lnum; VIsual.lnum = curwin->w_cursor.lnum; curwin->w_cursor.lnum = Prenum; if (VIsual.col != VISUALLINE) { n = VIsual.col; VIsual.col = curwin->w_cursor.col; curwin->w_cursor.col = (int)n; curwin->w_set_curswant = TRUE; } break; } CHECKCLEAROP; if (u_save(curwin->w_cursor.lnum, (linenr_t)(curwin->w_cursor.lnum + 1)) && Opencmd(FORWARD, TRUE, TRUE)) { startinsert('o', TRUE, Prenum1); modified = TRUE; command_busy = TRUE; } break; case 'O': CHECKCLEAROPQ; if (u_save((linenr_t)(curwin->w_cursor.lnum - 1), curwin->w_cursor.lnum) && Opencmd(BACKWARD, TRUE, TRUE)) { startinsert('O', TRUE, Prenum1); modified = TRUE; command_busy = TRUE; } break; case 'R': if (VIsual.lnum) { c = 'c'; VIsual.col = VISUALLINE; goto dooperator; } CHECKCLEAROPQ; if (u_save_cursor()) { startinsert('R', FALSE, Prenum1); modified = TRUE; command_busy = TRUE; } break; /* * 7: Operators */ case '~': /* swap case */ /* * if tilde is not an operator and Visual is off: swap case * of a single character */ if (!p_to && !VIsual.lnum) { CHECKCLEAROPQ; if (lineempty(curwin->w_cursor.lnum)) { CLEAROPBEEP; break; } prep_redo(Prenum, '~', NUL, NUL); if (!u_save_cursor()) break; for (; Prenum1 > 0; --Prenum1) { if (gchar_cursor() == NUL) break; swapchar(&curwin->w_cursor); inc_cursor(); } curwin->w_set_curswant = TRUE; CHANGED; updateline(); modified = TRUE; break; } /*FALLTHROUGH*/ case 'd': case 'c': case 'y': case '>': case '<': case '!': case '=': case 'Q': dooperator: n = STRCHR(opchars, c) - opchars + 1; if (n == operator) /* double operator works on lines */ goto lineop; CHECKCLEAROP; if (Prenum != 0) opnum = Prenum; curbuf->b_startop = curwin->w_cursor; operator = (int)n; break; /* * 8: Abbreviations */ /* when Visual the next commands are operators */ case 'S': case 'Y': case 'D': case 'C': case 'x': case 'X': case 's': if (VIsual.lnum) { static char_u trans[] = "ScYyDdCcxdXdsc"; if (isupper(c) && !Visual_block) /* uppercase means linewise */ VIsual.col = VISUALLINE; c = *(STRCHR(trans, c) + 1); goto dooperator; } case '&': CHECKCLEAROPQ; if (Prenum) stuffnumReadbuff(Prenum); if (c == 'Y' && p_ye) c = 'Z'; { static char_u *(ar[9]) = {(char_u *)"dl", (char_u *)"dh", (char_u *)"d$", (char_u *)"c$", (char_u *)"cl", (char_u *)"cc", (char_u *)"yy", (char_u *)"y$", (char_u *)":s\r"}; static char_u *str = (char_u *)"xXDCsSYZ&"; stuffReadbuff(ar[(int)(STRCHR(str, c) - str)]); } break; /* * 9: Marks */ case 'm': CHECKCLEAROP; if (setmark(nchar) == FAIL) CLEAROPBEEP; break; case '\'': flag = TRUE; /* FALLTHROUGH */ case '`': pos = getmark(nchar, (operator == NOP)); if (pos == (FPOS *)-1) /* jumped to other file */ { if (flag) beginline(TRUE); break; } if (pos != NULL) setpcmark(); cursormark: if (pos == NULL || pos->lnum == 0) CLEAROPBEEP; else { curwin->w_cursor = *pos; if (flag) beginline(TRUE); } mtype = flag ? MLINE : MCHAR; mincl = FALSE; /* ignored if not MCHAR */ curwin->w_set_curswant = TRUE; break; case Ctrl('O'): /* goto older pcmark */ Prenum1 = -Prenum1; /* FALLTHROUGH */ case Ctrl('I'): /* goto newer pcmark */ CHECKCLEAROPQ; pos = movemark((int)Prenum1); if (pos == (FPOS *)-1) /* jump to other file */ { curwin->w_set_curswant = TRUE; break; } goto cursormark; /* * 10. Buffer setting */ case '"': CHECKCLEAROP; if (nchar != NUL && is_yank_buffer(nchar, FALSE)) { yankbuffer = nchar; opnum = Prenum; /* remember count before '"' */ } else CLEAROPBEEP; break; /* * 11. Visual */ case 'v': case 'V': case Ctrl('V'): CHECKCLEAROP; Visual_block = FALSE; /* stop Visual */ if (VIsual.lnum) { VIsual.lnum = 0; updateScreen(NOT_VALID); /* delete the inversion */ } /* start Visual */ else { if (!didwarn && set_highlight('v') == FAIL)/* cannot highlight */ { EMSG("Warning: terminal cannot highlight"); didwarn = TRUE; } if (Prenum) /* use previously selected part */ { if (!resel_Visual_type) /* there is none */ { beep(); break; } VIsual = curwin->w_cursor; if (resel_Visual_nlines > 1) curwin->w_cursor.lnum += resel_Visual_nlines * Prenum - 1; switch (resel_Visual_type) { case 'V': VIsual.col = VISUALLINE; break; case Ctrl('V'): Visual_block = TRUE; break; case 'v': if (resel_Visual_nlines <= 1) curwin->w_cursor.col += resel_Visual_col * Prenum - 1; else curwin->w_cursor.col = resel_Visual_col; break; } if (resel_Visual_col == MAXCOL) { curwin->w_curswant = MAXCOL; coladvance(MAXCOL); } else if (Visual_block) coladvance((colnr_t)(curwin->w_virtcol + resel_Visual_col * Prenum - 1)); curs_columns(TRUE); /* recompute w_virtcol */ updateScreen(NOT_VALID); /* show the inversion */ } else { VIsual = curwin->w_cursor; if (c == 'V') /* linewise */ VIsual.col = VISUALLINE; else if (c == Ctrl('V')) /* blockwise */ Visual_block = TRUE; updateline(); /* start the inversion */ } } break; /* * 12. Suspend */ case Ctrl('Z'): CLEAROP; VIsual.lnum = 0; /* stop Visual */ stuffReadbuff((char_u *)":st\r"); /* with autowrite */ break; /* * 13. Window commands */ case Ctrl('W'): CHECKCLEAROP; do_window(nchar, Prenum); /* everything is in window.c */ break; /* * 14. extended commands (starting with 'g') */ case 'g': switch (nchar) { /* * "gf": goto file, edit file under cursor * "]f" and "[f": can also be used. */ case 'f': gotofile: ptr = file_name_at_cursor(); /* do autowrite if necessary */ if (curbuf->b_changed && curbuf->b_nwindows <= 1 && !p_hid) autowrite(curbuf); if (ptr != NULL) { setpcmark(); stuffReadbuff((char_u *) ":e "); stuffReadbuff(ptr); stuffReadbuff((char_u *) "\n"); free(ptr); } else CLEAROPBEEP; break; /* * "gs": goto sleep */ case 's': while (Prenum1-- && !got_int) { sleep(1); breakcheck(); } break; default: CLEAROPBEEP; break; } break; /* * The end */ case ESC: if (VIsual.lnum) { VIsual.lnum = 0; /* stop Visual */ updateScreen(NOT_VALID); CLEAROP; /* don't beep */ break; } /* Don't drop through and beep if we are canceling a command: */ else if (operator != NOP || opnum || Prenum || yankbuffer) { CLEAROP; /* don't beep */ break; } /* FALLTHROUGH */ default: /* not a known command */ CLEAROPBEEP; break; } /* end of switch on command character */ /* * if we didn't start or finish an operator, reset yankbuffer, unless we * need it later. */ if (!finish_op && !operator && strchr("\"DCYSsXx.", c) == NULL) yankbuffer = 0; /* * If an operation is pending, handle it... */ if ((VIsual.lnum || finish_op) && operator != NOP) { if (operator != YANK && !VIsual.lnum) /* can't redo yank */ { prep_redo(Prenum, opchars[operator - 1], c, nchar); if (c == '/' || c == '?') /* was a search */ { AppendToRedobuff(searchbuff); AppendToRedobuff(NL_STR); } } if (redo_Visual_busy) { curbuf->b_startop = curwin->w_cursor; curwin->w_cursor.lnum += redo_Visual_nlines - 1; switch (redo_Visual_type) { case 'V': VIsual.col = VISUALLINE; break; case Ctrl('V'): Visual_block = TRUE; break; case 'v': if (redo_Visual_nlines <= 1) curwin->w_cursor.col += redo_Visual_col - 1; else curwin->w_cursor.col = redo_Visual_col; break; } if (redo_Visual_col == MAXCOL) { curwin->w_curswant = MAXCOL; coladvance(MAXCOL); } Prenum = redo_Visual_Prenum; if (Prenum == 0) Prenum1 = 1L; else Prenum1 = Prenum; } else if (VIsual.lnum) curbuf->b_startop = VIsual; if (lt(curbuf->b_startop, curwin->w_cursor)) { curbuf->b_endop = curwin->w_cursor; curwin->w_cursor = curbuf->b_startop; } else { curbuf->b_endop = curbuf->b_startop; curbuf->b_startop = curwin->w_cursor; } nlines = curbuf->b_endop.lnum - curbuf->b_startop.lnum + 1; if (VIsual.lnum || redo_Visual_busy) { if (Visual_block) /* block mode */ { startvcol = getvcol(curwin, &(curbuf->b_startop), 2); n = getvcol(curwin, &(curbuf->b_endop), 2); if (n < startvcol) startvcol = (colnr_t)n; /* if '$' was used, get endvcol from longest line */ if (curwin->w_curswant == MAXCOL) { curwin->w_cursor.col = MAXCOL; endvcol = 0; for (curwin->w_cursor.lnum = curbuf->b_startop.lnum; curwin->w_cursor.lnum <= curbuf->b_endop.lnum; ++curwin->w_cursor.lnum) if ((n = getvcol(curwin, &curwin->w_cursor, 3)) > endvcol) endvcol = (colnr_t)n; curwin->w_cursor = curbuf->b_startop; } else if (redo_Visual_busy) endvcol = startvcol + redo_Visual_col - 1; else { endvcol = getvcol(curwin, &(curbuf->b_startop), 3); n = getvcol(curwin, &(curbuf->b_endop), 3); if (n > endvcol) endvcol = (colnr_t)n; } coladvance(startvcol); } /* * prepare to reselect and redo Visual: this is based on the size * of the Visual text */ if (Visual_block) resel_Visual_type = Ctrl('V'); else if (VIsual.col == VISUALLINE) resel_Visual_type = 'V'; else resel_Visual_type = 'v'; if (curwin->w_curswant == MAXCOL) resel_Visual_col = MAXCOL; else if (Visual_block) resel_Visual_col = endvcol - startvcol + 1; else if (nlines > 1) resel_Visual_col = curbuf->b_endop.col; else resel_Visual_col = curbuf->b_endop.col - curbuf->b_startop.col + 1; resel_Visual_nlines = nlines; if (operator != YANK && operator != COLON) /* can't redo yank and : */ { prep_redo(0L, 'v', opchars[operator - 1], NUL); redo_Visual_type = resel_Visual_type; redo_Visual_col = resel_Visual_col; redo_Visual_nlines = resel_Visual_nlines; redo_Visual_Prenum = Prenum; } /* * Mincl defaults to TRUE. * If endop is on a NUL (empty line) mincl becomes FALSE * This makes "d}P" and "v}dP" work the same. */ mincl = TRUE; if (VIsual.col == VISUALLINE) mtype = MLINE; else { mtype = MCHAR; if (*ml_get_pos(&(curbuf->b_endop)) == NUL) mincl = FALSE; } redo_Visual_busy = FALSE; /* * Switch Visual off now, so screen updating does * not show inverted text when the screen is redrawn. * With YANK and sometimes with COLON and FILTER there is no screen * redraw, so it is done here to remove the inverted part. */ VIsual.lnum = 0; if (operator == YANK || operator == COLON || operator == FILTER) updateScreen(NOT_VALID); } else if (operator == LSHIFT || operator == RSHIFT) Prenum1 = 1L; /* if not visual mode: shift one indent */ curwin->w_set_curswant = 1; /* no_op is set when start and end are the same */ no_op = (mtype == MCHAR && !mincl && equal(curbuf->b_startop, curbuf->b_endop)); /* * If the end of an operator is in column one while mtype is MCHAR and mincl * is FALSE, we put endop after the last character in the previous line. * If startop is on or before the first non-blank in the line, the operator * becomes linewise (strange, but that's the way vi does it). */ if (mtype == MCHAR && mincl == FALSE && curbuf->b_endop.col == 0 && nlines > 1) { --nlines; --curbuf->b_endop.lnum; if (inindent()) mtype = MLINE; else { curbuf->b_endop.col = STRLEN(ml_get(curbuf->b_endop.lnum)); if (curbuf->b_endop.col) { --curbuf->b_endop.col; mincl = TRUE; } } } switch (operator) { case LSHIFT: case RSHIFT: doshift(operator, TRUE, (int)Prenum1); modified = TRUE; break; case DELETE: if (!no_op) { dodelete(); modified = TRUE; } break; case YANK: if (!no_op) (void)doyank(FALSE); break; case CHANGE: dochange(); modified = TRUE; command_busy = TRUE; break; case FILTER: bangredo = TRUE; /* dobang() will put cmd in redo buffer */ case INDENT: case COLON: dofilter: sprintf((char *)IObuff, ":%ld,%ld", (long)curbuf->b_startop.lnum, (long)curbuf->b_endop.lnum); stuffReadbuff(IObuff); if (operator != COLON) stuffReadbuff((char_u *)"!"); if (operator == INDENT) { stuffReadbuff(p_ep); stuffReadbuff((char_u *)"\n"); } else if (operator == FORMAT) { stuffReadbuff(p_fp); stuffReadbuff((char_u *)"\n"); } /* docmdline() does the rest */ break; case TILDE: case UPPER: case LOWER: if (!no_op) { dotilde(); modified = TRUE; } break; case FORMAT: if (*p_fp != NUL) goto dofilter; /* use external command */ doformat(); /* use internal function */ modified = TRUE; break; default: CLEAROPBEEP; } operator = NOP; Visual_block = FALSE; yankbuffer = 0; } normal_end: premsg(-1, NUL); if (restart_edit && operator == NOP && VIsual.lnum == 0 && !command_busy && stuff_empty() && yankbuffer == 0) { startinsert(restart_edit, FALSE, 1L); modified = TRUE; } checkpcmark(); /* check if we moved since setting pcmark */ /* * TEMPORARY: update the other windows for the current buffer if modified */ if (modified) { WIN *wp; for (wp = firstwin; wp; wp = wp->w_next) if (wp != curwin && wp->w_buffer == curbuf) { cursor_off(); wp->w_redr_type = NOT_VALID; win_update(wp); } } }