Mercurial > vim
view src/ex_cmds.c @ 100:1f3902f3eb5c v7.0038
updated for version 7.0038
| author | vimboss |
|---|---|
| date | Fri, 14 Jan 2005 21:53:12 +0000 |
| parents | 0ef9cebc4f5d |
| children | c5b05f6de1ad |
line wrap: on
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/* vi:set ts=8 sts=4 sw=4: * * VIM - Vi IMproved by Bram Moolenaar * * Do ":help uganda" in Vim to read copying and usage conditions. * Do ":help credits" in Vim to see a list of people who contributed. * See README.txt for an overview of the Vim source code. */ /* * ex_cmds.c: some functions for command line commands */ #include "vim.h" #include "version.h" #ifdef FEAT_EX_EXTRA static int linelen __ARGS((int *has_tab)); #endif static void do_filter __ARGS((linenr_T line1, linenr_T line2, exarg_T *eap, char_u *cmd, int do_in, int do_out)); #ifdef FEAT_VIMINFO static char_u *viminfo_filename __ARGS((char_u *)); static void do_viminfo __ARGS((FILE *fp_in, FILE *fp_out, int want_info, int want_marks, int force_read)); static int viminfo_encoding __ARGS((vir_T *virp)); static int read_viminfo_up_to_marks __ARGS((vir_T *virp, int forceit, int writing)); #endif static int check_overwrite __ARGS((exarg_T *eap, buf_T *buf, char_u *fname, char_u *ffname, int other)); static int check_readonly __ARGS((int *forceit, buf_T *buf)); #ifdef FEAT_AUTOCMD static void delbuf_msg __ARGS((char_u *name)); #endif static int do_sub_msg __ARGS((void)); static int #ifdef __BORLANDC__ _RTLENTRYF #endif help_compare __ARGS((const void *s1, const void *s2)); /* * ":ascii" and "ga". */ /*ARGSUSED*/ void do_ascii(eap) exarg_T *eap; { int c; char buf1[20]; char buf2[20]; char_u buf3[7]; #ifdef FEAT_MBYTE int c1 = 0; int c2 = 0; int len; if (enc_utf8) c = utfc_ptr2char(ml_get_cursor(), &c1, &c2); else #endif c = gchar_cursor(); if (c == NUL) { MSG("NUL"); return; } #ifdef FEAT_MBYTE IObuff[0] = NUL; if (!has_mbyte || (enc_dbcs != 0 && c < 0x100) || c < 0x80) #endif { if (c == NL) /* NUL is stored as NL */ c = NUL; if (vim_isprintc_strict(c) && (c < ' ' #ifndef EBCDIC || c > '~' #endif )) { transchar_nonprint(buf3, c); sprintf(buf1, " <%s>", (char *)buf3); } else buf1[0] = NUL; #ifndef EBCDIC if (c >= 0x80) sprintf(buf2, " <M-%s>", transchar(c & 0x7f)); else #endif buf2[0] = NUL; sprintf((char *)IObuff, _("<%s>%s%s %d, Hex %02x, Octal %03o"), transchar(c), buf1, buf2, c, c, c); #ifdef FEAT_MBYTE c = c1; c1 = c2; c2 = 0; #endif } #ifdef FEAT_MBYTE /* Repeat for combining characters. */ while (has_mbyte && (c >= 0x100 || (enc_utf8 && c >= 0x80))) { len = (int)STRLEN(IObuff); /* This assumes every multi-byte char is printable... */ if (len > 0) IObuff[len++] = ' '; IObuff[len++] = '<'; if (utf_iscomposing(c) #ifdef USE_GUI && !gui.in_use #endif ) IObuff[len++] = ' '; /* draw composing char on top of a space */ IObuff[len + (*mb_char2bytes)(c, IObuff + len)] = NUL; sprintf((char *)IObuff + STRLEN(IObuff), c < 0x10000 ? _("> %d, Hex %04x, Octal %o") : _("> %d, Hex %08x, Octal %o"), c, c, c); c = c1; c1 = c2; c2 = 0; } #endif msg(IObuff); } #if defined(FEAT_EX_EXTRA) || defined(PROTO) /* * ":left", ":center" and ":right": align text. */ void ex_align(eap) exarg_T *eap; { pos_T save_curpos; int len; int indent = 0; int new_indent; int has_tab; int width; #ifdef FEAT_RIGHTLEFT if (curwin->w_p_rl) { /* switch left and right aligning */ if (eap->cmdidx == CMD_right) eap->cmdidx = CMD_left; else if (eap->cmdidx == CMD_left) eap->cmdidx = CMD_right; } #endif width = atoi((char *)eap->arg); save_curpos = curwin->w_cursor; if (eap->cmdidx == CMD_left) /* width is used for new indent */ { if (width >= 0) indent = width; } else { /* * if 'textwidth' set, use it * else if 'wrapmargin' set, use it * if invalid value, use 80 */ if (width <= 0) width = curbuf->b_p_tw; if (width == 0 && curbuf->b_p_wm > 0) width = W_WIDTH(curwin) - curbuf->b_p_wm; if (width <= 0) width = 80; } if (u_save((linenr_T)(eap->line1 - 1), (linenr_T)(eap->line2 + 1)) == FAIL) return; for (curwin->w_cursor.lnum = eap->line1; curwin->w_cursor.lnum <= eap->line2; ++curwin->w_cursor.lnum) { if (eap->cmdidx == CMD_left) /* left align */ new_indent = indent; else { len = linelen(eap->cmdidx == CMD_right ? &has_tab : NULL) - get_indent(); if (len <= 0) /* skip blank lines */ continue; if (eap->cmdidx == CMD_center) new_indent = (width - len) / 2; else { new_indent = width - len; /* right align */ /* * Make sure that embedded TABs don't make the text go too far * to the right. */ if (has_tab) while (new_indent > 0) { (void)set_indent(new_indent, 0); if (linelen(NULL) <= width) { /* * Now try to move the line as much as possible to * the right. Stop when it moves too far. */ do (void)set_indent(++new_indent, 0); while (linelen(NULL) <= width); --new_indent; break; } --new_indent; } } } if (new_indent < 0) new_indent = 0; (void)set_indent(new_indent, 0); /* set indent */ } changed_lines(eap->line1, 0, eap->line2 + 1, 0L); curwin->w_cursor = save_curpos; beginline(BL_WHITE | BL_FIX); } /* * Get the length of the current line, excluding trailing white space. */ static int linelen(has_tab) int *has_tab; { char_u *line; char_u *first; char_u *last; int save; int len; /* find the first non-blank character */ line = ml_get_curline(); first = skipwhite(line); /* find the character after the last non-blank character */ for (last = first + STRLEN(first); last > first && vim_iswhite(last[-1]); --last) ; save = *last; *last = NUL; len = linetabsize(line); /* get line length */ if (has_tab != NULL) /* check for embedded TAB */ *has_tab = (vim_strrchr(first, TAB) != NULL); *last = save; return len; } /* * ":retab". */ void ex_retab(eap) exarg_T *eap; { linenr_T lnum; int got_tab = FALSE; long num_spaces = 0; long num_tabs; long len; long col; long vcol; long start_col = 0; /* For start of white-space string */ long start_vcol = 0; /* For start of white-space string */ int temp; long old_len; char_u *ptr; char_u *new_line = (char_u *)1; /* init to non-NULL */ int did_undo; /* called u_save for current line */ int new_ts; int save_list; linenr_T first_line = 0; /* first changed line */ linenr_T last_line = 0; /* last changed line */ save_list = curwin->w_p_list; curwin->w_p_list = 0; /* don't want list mode here */ new_ts = getdigits(&(eap->arg)); if (new_ts < 0) { EMSG(_(e_positive)); return; } if (new_ts == 0) new_ts = curbuf->b_p_ts; for (lnum = eap->line1; !got_int && lnum <= eap->line2; ++lnum) { ptr = ml_get(lnum); col = 0; vcol = 0; did_undo = FALSE; for (;;) { if (vim_iswhite(ptr[col])) { if (!got_tab && num_spaces == 0) { /* First consecutive white-space */ start_vcol = vcol; start_col = col; } if (ptr[col] == ' ') num_spaces++; else got_tab = TRUE; } else { if (got_tab || (eap->forceit && num_spaces > 1)) { /* Retabulate this string of white-space */ /* len is virtual length of white string */ len = num_spaces = vcol - start_vcol; num_tabs = 0; if (!curbuf->b_p_et) { temp = new_ts - (start_vcol % new_ts); if (num_spaces >= temp) { num_spaces -= temp; num_tabs++; } num_tabs += num_spaces / new_ts; num_spaces -= (num_spaces / new_ts) * new_ts; } if (curbuf->b_p_et || got_tab || (num_spaces + num_tabs < len)) { if (did_undo == FALSE) { did_undo = TRUE; if (u_save((linenr_T)(lnum - 1), (linenr_T)(lnum + 1)) == FAIL) { new_line = NULL; /* flag out-of-memory */ break; } } /* len is actual number of white characters used */ len = num_spaces + num_tabs; old_len = (long)STRLEN(ptr); new_line = lalloc(old_len - col + start_col + len + 1, TRUE); if (new_line == NULL) break; if (start_col > 0) mch_memmove(new_line, ptr, (size_t)start_col); mch_memmove(new_line + start_col + len, ptr + col, (size_t)(old_len - col + 1)); ptr = new_line + start_col; for (col = 0; col < len; col++) ptr[col] = (col < num_tabs) ? '\t' : ' '; ml_replace(lnum, new_line, FALSE); if (first_line == 0) first_line = lnum; last_line = lnum; ptr = new_line; col = start_col + len; } } got_tab = FALSE; num_spaces = 0; } if (ptr[col] == NUL) break; vcol += chartabsize(ptr + col, (colnr_T)vcol); #ifdef FEAT_MBYTE if (has_mbyte) col += (*mb_ptr2len_check)(ptr + col); else #endif ++col; } if (new_line == NULL) /* out of memory */ break; line_breakcheck(); } if (got_int) EMSG(_(e_interr)); if (curbuf->b_p_ts != new_ts) redraw_curbuf_later(NOT_VALID); if (first_line != 0) changed_lines(first_line, 0, last_line + 1, 0L); curwin->w_p_list = save_list; /* restore 'list' */ curbuf->b_p_ts = new_ts; coladvance(curwin->w_curswant); u_clearline(); } #endif /* * :move command - move lines line1-line2 to line dest * * return FAIL for failure, OK otherwise */ int do_move(line1, line2, dest) linenr_T line1; linenr_T line2; linenr_T dest; { char_u *str; linenr_T l; linenr_T extra; /* Num lines added before line1 */ linenr_T num_lines; /* Num lines moved */ linenr_T last_line; /* Last line in file after adding new text */ if (dest >= line1 && dest < line2) { EMSG(_("E134: Move lines into themselves")); return FAIL; } num_lines = line2 - line1 + 1; /* * First we copy the old text to its new location -- webb * Also copy the flag that ":global" command uses. */ if (u_save(dest, dest + 1) == FAIL) return FAIL; for (extra = 0, l = line1; l <= line2; l++) { str = vim_strsave(ml_get(l + extra)); if (str != NULL) { ml_append(dest + l - line1, str, (colnr_T)0, FALSE); vim_free(str); if (dest < line1) extra++; } } /* * Now we must be careful adjusting our marks so that we don't overlap our * mark_adjust() calls. * * We adjust the marks within the old text so that they refer to the * last lines of the file (temporarily), because we know no other marks * will be set there since these line numbers did not exist until we added * our new lines. * * Then we adjust the marks on lines between the old and new text positions * (either forwards or backwards). * * And Finally we adjust the marks we put at the end of the file back to * their final destination at the new text position -- webb */ last_line = curbuf->b_ml.ml_line_count; mark_adjust(line1, line2, last_line - line2, 0L); if (dest >= line2) { mark_adjust(line2 + 1, dest, -num_lines, 0L); curbuf->b_op_start.lnum = dest - num_lines + 1; curbuf->b_op_end.lnum = dest; } else { mark_adjust(dest + 1, line1 - 1, num_lines, 0L); curbuf->b_op_start.lnum = dest + 1; curbuf->b_op_end.lnum = dest + num_lines; } curbuf->b_op_start.col = curbuf->b_op_end.col = 0; mark_adjust(last_line - num_lines + 1, last_line, -(last_line - dest - extra), 0L); /* * Now we delete the original text -- webb */ if (u_save(line1 + extra - 1, line2 + extra + 1) == FAIL) return FAIL; for (l = line1; l <= line2; l++) ml_delete(line1 + extra, TRUE); if (!global_busy && num_lines > p_report) { if (num_lines == 1) MSG(_("1 line moved")); else smsg((char_u *)_("%ld lines moved"), num_lines); } /* * Leave the cursor on the last of the moved lines. */ if (dest >= line1) curwin->w_cursor.lnum = dest; else curwin->w_cursor.lnum = dest + (line2 - line1) + 1; if (line1 < dest) changed_lines(line1, 0, dest + num_lines + 1, 0L); else changed_lines(dest + 1, 0, line1 + num_lines, 0L); return OK; } /* * ":copy" */ void ex_copy(line1, line2, n) linenr_T line1; linenr_T line2; linenr_T n; { linenr_T count; char_u *p; count = line2 - line1 + 1; curbuf->b_op_start.lnum = n + 1; curbuf->b_op_end.lnum = n + count; curbuf->b_op_start.col = curbuf->b_op_end.col = 0; /* * there are three situations: * 1. destination is above line1 * 2. destination is between line1 and line2 * 3. destination is below line2 * * n = destination (when starting) * curwin->w_cursor.lnum = destination (while copying) * line1 = start of source (while copying) * line2 = end of source (while copying) */ if (u_save(n, n + 1) == FAIL) return; curwin->w_cursor.lnum = n; while (line1 <= line2) { /* need to use vim_strsave() because the line will be unlocked within * ml_append() */ p = vim_strsave(ml_get(line1)); if (p != NULL) { ml_append(curwin->w_cursor.lnum, p, (colnr_T)0, FALSE); vim_free(p); } /* situation 2: skip already copied lines */ if (line1 == n) line1 = curwin->w_cursor.lnum; ++line1; if (curwin->w_cursor.lnum < line1) ++line1; if (curwin->w_cursor.lnum < line2) ++line2; ++curwin->w_cursor.lnum; } appended_lines_mark(n, count); msgmore((long)count); } /* * Handle the ":!cmd" command. Also for ":r !cmd" and ":w !cmd" * Bangs in the argument are replaced with the previously entered command. * Remember the argument. * * RISCOS: Bangs only replaced when followed by a space, since many * pathnames contain one. */ void do_bang(addr_count, eap, forceit, do_in, do_out) int addr_count; exarg_T *eap; int forceit; int do_in, do_out; { char_u *arg = eap->arg; /* command */ linenr_T line1 = eap->line1; /* start of range */ linenr_T line2 = eap->line2; /* end of range */ static char_u *prevcmd = NULL; /* the previous command */ char_u *newcmd = NULL; /* the new command */ int free_newcmd = FALSE; /* need to free() newcmd */ int ins_prevcmd; char_u *t; char_u *p; char_u *trailarg; int len; int scroll_save = msg_scroll; /* * Disallow shell commands for "rvim". * Disallow shell commands from .exrc and .vimrc in current directory for * security reasons. */ if (check_restricted() || check_secure()) return; if (addr_count == 0) /* :! */ { msg_scroll = FALSE; /* don't scroll here */ autowrite_all(); msg_scroll = scroll_save; } /* * Try to find an embedded bang, like in :!<cmd> ! [args] * (:!! is indicated by the 'forceit' variable) */ ins_prevcmd = forceit; trailarg = arg; do { len = (int)STRLEN(trailarg) + 1; if (newcmd != NULL) len += (int)STRLEN(newcmd); if (ins_prevcmd) { if (prevcmd == NULL) { EMSG(_(e_noprev)); vim_free(newcmd); return; } len += (int)STRLEN(prevcmd); } if ((t = alloc(len)) == NULL) { vim_free(newcmd); return; } *t = NUL; if (newcmd != NULL) STRCAT(t, newcmd); if (ins_prevcmd) STRCAT(t, prevcmd); p = t + STRLEN(t); STRCAT(t, trailarg); vim_free(newcmd); newcmd = t; /* * Scan the rest of the argument for '!', which is replaced by the * previous command. "\!" is replaced by "!" (this is vi compatible). */ trailarg = NULL; while (*p) { if (*p == '!' #ifdef RISCOS && (p[1] == ' ' || p[1] == NUL) #endif ) { if (p > newcmd && p[-1] == '\\') mch_memmove(p - 1, p, (size_t)(STRLEN(p) + 1)); else { trailarg = p; *trailarg++ = NUL; ins_prevcmd = TRUE; break; } } ++p; } } while (trailarg != NULL); vim_free(prevcmd); prevcmd = newcmd; if (bangredo) /* put cmd in redo buffer for ! command */ { AppendToRedobuffLit(prevcmd); AppendToRedobuff((char_u *)"\n"); bangredo = FALSE; } /* * Add quotes around the command, for shells that need them. */ if (*p_shq != NUL) { newcmd = alloc((unsigned)(STRLEN(prevcmd) + 2 * STRLEN(p_shq) + 1)); if (newcmd == NULL) return; STRCPY(newcmd, p_shq); STRCAT(newcmd, prevcmd); STRCAT(newcmd, p_shq); free_newcmd = TRUE; } if (addr_count == 0) /* :! */ { /* echo the command */ msg_start(); msg_putchar(':'); msg_putchar('!'); msg_outtrans(newcmd); msg_clr_eos(); windgoto(msg_row, msg_col); do_shell(newcmd, 0); } else /* :range! */ /* Careful: This may recursively call do_bang() again! (because of * autocommands) */ do_filter(line1, line2, eap, newcmd, do_in, do_out); if (free_newcmd) vim_free(newcmd); } /* * do_filter: filter lines through a command given by the user * * We use temp files and the call_shell() routine here. This would normally * be done using pipes on a UNIX machine, but this is more portable to * non-unix machines. The call_shell() routine needs to be able * to deal with redirection somehow, and should handle things like looking * at the PATH env. variable, and adding reasonable extensions to the * command name given by the user. All reasonable versions of call_shell() * do this. * We use input redirection if do_in is TRUE. * We use output redirection if do_out is TRUE. */ static void do_filter(line1, line2, eap, cmd, do_in, do_out) linenr_T line1, line2; exarg_T *eap; /* for forced 'ff' and 'fenc' */ char_u *cmd; int do_in, do_out; { char_u *itmp = NULL; char_u *otmp = NULL; linenr_T linecount; linenr_T read_linecount; pos_T cursor_save; char_u *cmd_buf; #ifdef FEAT_AUTOCMD buf_T *old_curbuf = curbuf; #endif if (*cmd == NUL) /* no filter command */ return; #ifdef WIN3264 /* * Check if external commands are allowed now. */ if (can_end_termcap_mode(TRUE) == FALSE) return; #endif cursor_save = curwin->w_cursor; linecount = line2 - line1 + 1; curwin->w_cursor.lnum = line1; curwin->w_cursor.col = 0; changed_line_abv_curs(); invalidate_botline(); /* * 1. Form temp file names * 2. Write the lines to a temp file * 3. Run the filter command on the temp file * 4. Read the output of the command into the buffer * 5. Delete the original lines to be filtered * 6. Remove the temp files */ if ((do_in && (itmp = vim_tempname('i')) == NULL) || (do_out && (otmp = vim_tempname('o')) == NULL)) { EMSG(_(e_notmp)); goto filterend; } /* * The writing and reading of temp files will not be shown. * Vi also doesn't do this and the messages are not very informative. */ ++no_wait_return; /* don't call wait_return() while busy */ if (do_in && buf_write(curbuf, itmp, NULL, line1, line2, eap, FALSE, FALSE, FALSE, TRUE) == FAIL) { msg_putchar('\n'); /* keep message from buf_write() */ --no_wait_return; #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) if (!aborting()) #endif (void)EMSG2(_(e_notcreate), itmp); /* will call wait_return */ goto filterend; } #ifdef FEAT_AUTOCMD if (curbuf != old_curbuf) goto filterend; #endif if (!do_out) msg_putchar('\n'); cmd_buf = make_filter_cmd(cmd, itmp, otmp); if (cmd_buf == NULL) goto filterend; windgoto((int)Rows - 1, 0); cursor_on(); /* * When not redirecting the output the command can write anything to the * screen. If 'shellredir' is equal to ">", screen may be messed up by * stderr output of external command. Clear the screen later. * If do_in is FALSE, this could be something like ":r !cat", which may * also mess up the screen, clear it later. */ if (!do_out || STRCMP(p_srr, ">") == 0 || !do_in) redraw_later_clear(); /* * When call_shell() fails wait_return() is called to give the user a * chance to read the error messages. Otherwise errors are ignored, so you * can see the error messages from the command that appear on stdout; use * 'u' to fix the text * Switch to cooked mode when not redirecting stdin, avoids that something * like ":r !cat" hangs. * Pass on the SHELL_DOOUT flag when the output is being redirected. */ if (call_shell(cmd_buf, SHELL_FILTER | SHELL_COOKED | (do_out ? SHELL_DOOUT : 0))) { redraw_later_clear(); wait_return(FALSE); } vim_free(cmd_buf); did_check_timestamps = FALSE; need_check_timestamps = TRUE; /* When interrupting the shell command, it may still have produced some * useful output. Reset got_int here, so that readfile() won't cancel * reading. */ ui_breakcheck(); got_int = FALSE; if (do_out) { if (u_save((linenr_T)(line2), (linenr_T)(line2 + 1)) == FAIL) goto error; redraw_curbuf_later(VALID); read_linecount = curbuf->b_ml.ml_line_count; if (readfile(otmp, NULL, line2, (linenr_T)0, (linenr_T)MAXLNUM, eap, READ_FILTER) == FAIL) { #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) if (!aborting()) #endif { msg_putchar('\n'); EMSG2(_(e_notread), otmp); } goto error; } #ifdef FEAT_AUTOCMD if (curbuf != old_curbuf) goto filterend; #endif if (do_in) { if (cmdmod.keepmarks || vim_strchr(p_cpo, CPO_REMMARK) == NULL) { read_linecount = curbuf->b_ml.ml_line_count - read_linecount; if (read_linecount >= linecount) /* move all marks from old lines to new lines */ mark_adjust(line1, line2, linecount, 0L); else { /* move marks from old lines to new lines, delete marks * that are in deleted lines */ mark_adjust(line1, line1 + read_linecount - 1, linecount, 0L); mark_adjust(line1 + read_linecount, line2, MAXLNUM, 0L); } } /* * Put cursor on first filtered line for ":range!cmd". * Adjust '[ and '] (set by buf_write()). */ curwin->w_cursor.lnum = line1; del_lines(linecount, TRUE); curbuf->b_op_start.lnum -= linecount; /* adjust '[ */ curbuf->b_op_end.lnum -= linecount; /* adjust '] */ write_lnum_adjust(-linecount); /* adjust last line for next write */ #ifdef FEAT_FOLDING foldUpdate(curwin, curbuf->b_op_start.lnum, curbuf->b_op_end.lnum); #endif } else { /* * Put cursor on last new line for ":r !cmd". */ curwin->w_cursor.lnum = curbuf->b_op_end.lnum; linecount = curbuf->b_op_end.lnum - curbuf->b_op_start.lnum + 1; } beginline(BL_WHITE | BL_FIX); /* cursor on first non-blank */ --no_wait_return; if (linecount > p_report) { if (do_in) { sprintf((char *)msg_buf, _("%ld lines filtered"), (long)linecount); if (msg(msg_buf) && !msg_scroll) { /* save message to display it after redraw */ set_keep_msg(msg_buf); keep_msg_attr = 0; } } else msgmore((long)linecount); } } else { error: /* put cursor back in same position for ":w !cmd" */ curwin->w_cursor = cursor_save; --no_wait_return; wait_return(FALSE); } filterend: #ifdef FEAT_AUTOCMD if (curbuf != old_curbuf) { --no_wait_return; EMSG(_("E135: *Filter* Autocommands must not change current buffer")); } #endif if (itmp != NULL) mch_remove(itmp); if (otmp != NULL) mch_remove(otmp); vim_free(itmp); vim_free(otmp); } /* * Call a shell to execute a command. * When "cmd" is NULL start an interactive shell. */ void do_shell(cmd, flags) char_u *cmd; int flags; /* may be SHELL_DOOUT when output is redirected */ { buf_T *buf; #ifndef FEAT_GUI_MSWIN int save_nwr; #endif #ifdef MSWIN int winstart = FALSE; #endif /* * Disallow shell commands for "rvim". * Disallow shell commands from .exrc and .vimrc in current directory for * security reasons. */ if (check_restricted() || check_secure()) { msg_end(); return; } #ifdef MSWIN /* * Check if external commands are allowed now. */ if (can_end_termcap_mode(TRUE) == FALSE) return; /* * Check if ":!start" is used. */ if (cmd != NULL) winstart = (STRNICMP(cmd, "start ", 6) == 0); #endif /* * For autocommands we want to get the output on the current screen, to * avoid having to type return below. */ msg_putchar('\r'); /* put cursor at start of line */ #ifdef FEAT_AUTOCMD if (!autocmd_busy) #endif { #ifdef MSWIN if (!winstart) #endif stoptermcap(); } #ifdef MSWIN if (!winstart) #endif msg_putchar('\n'); /* may shift screen one line up */ /* warning message before calling the shell */ if (p_warn #ifdef FEAT_AUTOCMD && !autocmd_busy #endif && msg_silent == 0) for (buf = firstbuf; buf; buf = buf->b_next) if (bufIsChanged(buf)) { #ifdef FEAT_GUI_MSWIN if (!winstart) starttermcap(); /* don't want a message box here */ #endif MSG_PUTS(_("[No write since last change]\n")); #ifdef FEAT_GUI_MSWIN if (!winstart) stoptermcap(); #endif break; } /* This windgoto is required for when the '\n' resulted in a "delete line * 1" command to the terminal. */ if (!swapping_screen()) windgoto(msg_row, msg_col); cursor_on(); (void)call_shell(cmd, SHELL_COOKED | flags); did_check_timestamps = FALSE; need_check_timestamps = TRUE; /* * put the message cursor at the end of the screen, avoids wait_return() * to overwrite the text that the external command showed */ if (!swapping_screen()) { msg_row = Rows - 1; msg_col = 0; } #ifdef FEAT_AUTOCMD if (autocmd_busy) { if (msg_silent == 0) redraw_later_clear(); } else #endif { /* * For ":sh" there is no need to call wait_return(), just redraw. * Also for the Win32 GUI (the output is in a console window). * Otherwise there is probably text on the screen that the user wants * to read before redrawing, so call wait_return(). */ #ifndef FEAT_GUI_MSWIN if (cmd == NULL # ifdef WIN3264 || (winstart && !need_wait_return) # endif ) { if (msg_silent == 0) redraw_later_clear(); need_wait_return = FALSE; } else { /* * If we switch screens when starttermcap() is called, we really * want to wait for "hit return to continue". */ save_nwr = no_wait_return; if (swapping_screen()) no_wait_return = FALSE; # ifdef AMIGA wait_return(term_console ? -1 : msg_silent == 0); /* see below */ # else wait_return(msg_silent == 0); # endif no_wait_return = save_nwr; } #endif /* FEAT_GUI_W32 */ #ifdef MSWIN if (!winstart) /* if winstart==TRUE, never stopped termcap! */ #endif starttermcap(); /* start termcap if not done by wait_return() */ /* * In an Amiga window redrawing is caused by asking the window size. * If we got an interrupt this will not work. The chance that the * window size is wrong is very small, but we need to redraw the * screen. Don't do this if ':' hit in wait_return(). THIS IS UGLY * but it saves an extra redraw. */ #ifdef AMIGA if (skip_redraw) /* ':' hit in wait_return() */ { if (msg_silent == 0) redraw_later_clear(); } else if (term_console) { OUT_STR(IF_EB("\033[0 q", ESC_STR "[0 q")); /* get window size */ if (got_int && msg_silent == 0) redraw_later_clear(); /* if got_int is TRUE, redraw needed */ else must_redraw = 0; /* no extra redraw needed */ } #endif } /* display any error messages now */ display_errors(); } /* * Create a shell command from a command string, input redirection file and * output redirection file. * Returns an allocated string with the shell command, or NULL for failure. */ char_u * make_filter_cmd(cmd, itmp, otmp) char_u *cmd; /* command */ char_u *itmp; /* NULL or name of input file */ char_u *otmp; /* NULL or name of output file */ { char_u *buf; long_u len; len = (long_u)STRLEN(cmd) + 3; /* "()" + NUL */ if (itmp != NULL) len += (long_u)STRLEN(itmp) + 9; /* " { < " + " } " */ if (otmp != NULL) len += (long_u)STRLEN(otmp) + (long_u)STRLEN(p_srr) + 2; /* " " */ buf = lalloc(len, TRUE); if (buf == NULL) return NULL; #if (defined(UNIX) && !defined(ARCHIE)) || defined(OS2) /* * put braces around the command (for concatenated commands) */ sprintf((char *)buf, "(%s)", (char *)cmd); if (itmp != NULL) { STRCAT(buf, " < "); STRCAT(buf, itmp); } #else /* * for shells that don't understand braces around commands, at least allow * the use of commands in a pipe. */ STRCPY(buf, cmd); if (itmp != NULL) { char_u *p; /* * If there is a pipe, we have to put the '<' in front of it. * Don't do this when 'shellquote' is not empty, otherwise the * redirection would be inside the quotes. */ if (*p_shq == NUL) { p = vim_strchr(buf, '|'); if (p != NULL) *p = NUL; } # ifdef RISCOS STRCAT(buf, " { < "); /* Use RISC OS notation for input. */ STRCAT(buf, itmp); STRCAT(buf, " } "); # else STRCAT(buf, " <"); /* " < " causes problems on Amiga */ STRCAT(buf, itmp); # endif if (*p_shq == NUL) { p = vim_strchr(cmd, '|'); if (p != NULL) { STRCAT(buf, " "); /* insert a space before the '|' for DOS */ STRCAT(buf, p); } } } #endif if (otmp != NULL) append_redir(buf, p_srr, otmp); return buf; } /* * Append output redirection for file "fname" to the end of string buffer "buf" * Works with the 'shellredir' and 'shellpipe' options. * The caller should make sure that there is enough room: * STRLEN(opt) + STRLEN(fname) + 3 */ void append_redir(buf, opt, fname) char_u *buf; char_u *opt; char_u *fname; { char_u *p; buf += STRLEN(buf); /* find "%s", skipping "%%" */ for (p = opt; (p = vim_strchr(p, '%')) != NULL; ++p) if (p[1] == 's') break; if (p != NULL) { *buf = ' '; /* not really needed? Not with sh, ksh or bash */ sprintf((char *)buf + 1, (char *)opt, (char *)fname); } else sprintf((char *)buf, #ifdef FEAT_QUICKFIX # ifndef RISCOS opt != p_sp ? " %s%s" : # endif " %s %s", #else # ifndef RISCOS " %s%s", /* " > %s" causes problems on Amiga */ # else " %s %s", /* But is needed for 'shellpipe' and RISC OS */ # endif #endif (char *)opt, (char *)fname); } #ifdef FEAT_VIMINFO static int no_viminfo __ARGS((void)); static int viminfo_errcnt; static int no_viminfo() { /* "vim -i NONE" does not read or write a viminfo file */ return (use_viminfo != NULL && STRCMP(use_viminfo, "NONE") == 0); } /* * Report an error for reading a viminfo file. * Count the number of errors. When there are more than 10, return TRUE. */ int viminfo_error(errnum, message, line) char *errnum; char *message; char_u *line; { sprintf((char *)IObuff, _("%sviminfo: %s in line: "), errnum, message); STRNCAT(IObuff, line, IOSIZE - STRLEN(IObuff)); emsg(IObuff); if (++viminfo_errcnt >= 10) { EMSG(_("E136: viminfo: Too many errors, skipping rest of file")); return TRUE; } return FALSE; } /* * read_viminfo() -- Read the viminfo file. Registers etc. which are already * set are not over-written unless force is TRUE. -- webb */ int read_viminfo(file, want_info, want_marks, forceit) char_u *file; int want_info; int want_marks; int forceit; { FILE *fp; char_u *fname; if (no_viminfo()) return FAIL; fname = viminfo_filename(file); /* may set to default if NULL */ if (fname == NULL) return FAIL; fp = mch_fopen((char *)fname, READBIN); if (p_verbose > 0) { char_u *s; s = fname; if (STRLEN(fname) > IOSIZE - 100) s = fname + STRLEN(fname) - (IOSIZE - 100); smsg((char_u *)_("Reading viminfo file \"%s\"%s%s%s"), s, want_info ? _(" info") : "", want_marks ? _(" marks") : "", fp == NULL ? _(" FAILED") : ""); } vim_free(fname); if (fp == NULL) return FAIL; viminfo_errcnt = 0; do_viminfo(fp, NULL, want_info, want_marks, forceit); fclose(fp); return OK; } /* * write_viminfo() -- Write the viminfo file. The old one is read in first so * that effectively a merge of current info and old info is done. This allows * multiple vims to run simultaneously, without losing any marks etc. If * forceit is TRUE, then the old file is not read in, and only internal info is * written to the file. -- webb */ void write_viminfo(file, forceit) char_u *file; int forceit; { char_u *fname; FILE *fp_in = NULL; /* input viminfo file, if any */ FILE *fp_out = NULL; /* output viminfo file */ char_u *tempname = NULL; /* name of temp viminfo file */ struct stat st_new; /* mch_stat() of potential new file */ char_u *wp; #if defined(UNIX) || defined(VMS) mode_t umask_save; #endif #ifdef UNIX int shortname = FALSE; /* use 8.3 file name */ struct stat st_old; /* mch_stat() of existing viminfo file */ #endif if (no_viminfo()) return; fname = viminfo_filename(file); /* may set to default if NULL */ if (fname == NULL) return; fp_in = mch_fopen((char *)fname, READBIN); if (fp_in == NULL) { /* if it does exist, but we can't read it, don't try writing */ if (mch_stat((char *)fname, &st_new) == 0) goto end; #if defined(UNIX) || defined(VMS) /* * For Unix we create the .viminfo non-accessible for others, * because it may contain text from non-accessible documents. */ umask_save = umask(077); #endif fp_out = mch_fopen((char *)fname, WRITEBIN); #if defined(UNIX) || defined(VMS) (void)umask(umask_save); #endif } else { /* * There is an existing viminfo file. Create a temporary file to * write the new viminfo into, in the same directory as the * existing viminfo file, which will be renamed later. */ #ifdef UNIX /* * For Unix we check the owner of the file. It's not very nice to * overwrite a user's viminfo file after a "su root", with a * viminfo file that the user can't read. */ st_old.st_dev = st_old.st_ino = 0; st_old.st_mode = 0600; if (mch_stat((char *)fname, &st_old) == 0 && getuid() && !(st_old.st_uid == getuid() ? (st_old.st_mode & 0200) : (st_old.st_gid == getgid() ? (st_old.st_mode & 0020) : (st_old.st_mode & 0002)))) { int tt; /* avoid a wait_return for this message, it's annoying */ tt = msg_didany; EMSG2(_("E137: Viminfo file is not writable: %s"), fname); msg_didany = tt; goto end; } #endif /* * Make tempname. * May try twice: Once normal and once with shortname set, just in * case somebody puts his viminfo file in an 8.3 filesystem. */ for (;;) { tempname = buf_modname( #ifdef UNIX shortname, #else # ifdef SHORT_FNAME TRUE, # else # ifdef FEAT_GUI_W32 gui_is_win32s(), # else FALSE, # endif # endif #endif fname, #ifdef VMS (char_u *)"-tmp", #else # ifdef RISCOS (char_u *)"/tmp", # else (char_u *)".tmp", # endif #endif FALSE); if (tempname == NULL) /* out of memory */ break; /* * Check if tempfile already exists. Never overwrite an * existing file! */ if (mch_stat((char *)tempname, &st_new) == 0) { #ifdef UNIX /* * Check if tempfile is same as original file. May happen * when modname() gave the same file back. E.g. silly * link, or file name-length reached. Try again with * shortname set. */ if (!shortname && st_new.st_dev == st_old.st_dev && st_new.st_ino == st_old.st_ino) { vim_free(tempname); tempname = NULL; shortname = TRUE; continue; } #endif /* * Try another name. Change one character, just before * the extension. This should also work for an 8.3 * file name, when after adding the extension it still is * the same file as the original. */ wp = tempname + STRLEN(tempname) - 5; if (wp < gettail(tempname)) /* empty file name? */ wp = gettail(tempname); for (*wp = 'z'; mch_stat((char *)tempname, &st_new) == 0; --*wp) { /* * They all exist? Must be something wrong! Don't * write the viminfo file then. */ if (*wp == 'a') { vim_free(tempname); tempname = NULL; break; } } } break; } if (tempname != NULL) { fp_out = mch_fopen((char *)tempname, WRITEBIN); /* * If we can't create in the same directory, try creating a * "normal" temp file. */ if (fp_out == NULL) { vim_free(tempname); if ((tempname = vim_tempname('o')) != NULL) fp_out = mch_fopen((char *)tempname, WRITEBIN); } #ifdef UNIX /* * Set file protection same as original file, but strip s-bit * and make sure the owner can read/write it. */ if (fp_out != NULL) { (void)mch_setperm(tempname, (long)((st_old.st_mode & 0777) | 0600)); /* this only works for root: */ (void)chown((char *)tempname, st_old.st_uid, st_old.st_gid); } #endif } } /* * Check if the new viminfo file can be written to. */ if (fp_out == NULL) { EMSG2(_("E138: Can't write viminfo file %s!"), (fp_in == NULL || tempname == NUL) ? fname : tempname); if (fp_in != NULL) fclose(fp_in); goto end; } if (p_verbose > 0) msg_str((char_u *)_("Writing viminfo file \"%s\""), fname); viminfo_errcnt = 0; do_viminfo(fp_in, fp_out, !forceit, !forceit, FALSE); fclose(fp_out); /* errors are ignored !? */ if (fp_in != NULL) { fclose(fp_in); /* * In case of an error, don't overwrite the original viminfo file. */ if (viminfo_errcnt || vim_rename(tempname, fname) == -1) mch_remove(tempname); } end: vim_free(fname); vim_free(tempname); } /* * Get the viminfo file name to use. * If "file" is given and not empty, use it (has already been expanded by * cmdline functions). * Otherwise use "-i file_name", value from 'viminfo' or the default, and * expand environment variables. * Returns an allocated string. NULL when out of memory. */ static char_u * viminfo_filename(file) char_u *file; { if (file == NULL || *file == NUL) { if (use_viminfo != NULL) file = use_viminfo; else if ((file = find_viminfo_parameter('n')) == NULL || *file == NUL) { #ifdef VIMINFO_FILE2 /* don't use $HOME when not defined (turned into "c:/"!). */ # ifdef VMS if (mch_getenv((char_u *)"SYS$LOGIN") == NULL) # else if (mch_getenv((char_u *)"HOME") == NULL) # endif { /* don't use $VIM when not available. */ expand_env((char_u *)"$VIM", NameBuff, MAXPATHL); if (STRCMP("$VIM", NameBuff) != 0) /* $VIM was expanded */ file = (char_u *)VIMINFO_FILE2; else file = (char_u *)VIMINFO_FILE; } else #endif file = (char_u *)VIMINFO_FILE; } expand_env(file, NameBuff, MAXPATHL); file = NameBuff; } return vim_strsave(file); } /* * do_viminfo() -- Should only be called from read_viminfo() & write_viminfo(). */ static void do_viminfo(fp_in, fp_out, want_info, want_marks, force_read) FILE *fp_in; FILE *fp_out; int want_info; int want_marks; int force_read; { int count = 0; int eof = FALSE; vir_T vir; if ((vir.vir_line = alloc(LSIZE)) == NULL) return; vir.vir_fd = fp_in; #ifdef FEAT_MBYTE vir.vir_conv.vc_type = CONV_NONE; #endif if (fp_in != NULL) { if (want_info) eof = read_viminfo_up_to_marks(&vir, force_read, fp_out != NULL); else /* Skip info, find start of marks */ while (!(eof = viminfo_readline(&vir)) && vir.vir_line[0] != '>') ; } if (fp_out != NULL) { /* Write the info: */ fprintf(fp_out, _("# This viminfo file was generated by Vim %s.\n"), VIM_VERSION_MEDIUM); fprintf(fp_out, _("# You may edit it if you're careful!\n\n")); #ifdef FEAT_MBYTE fprintf(fp_out, _("# Value of 'encoding' when this file was written\n")); fprintf(fp_out, "*encoding=%s\n\n", p_enc); #endif write_viminfo_search_pattern(fp_out); write_viminfo_sub_string(fp_out); #ifdef FEAT_CMDHIST write_viminfo_history(fp_out); #endif write_viminfo_registers(fp_out); #ifdef FEAT_EVAL write_viminfo_varlist(fp_out); #endif write_viminfo_filemarks(fp_out); write_viminfo_bufferlist(fp_out); count = write_viminfo_marks(fp_out); } if (fp_in != NULL && want_marks) copy_viminfo_marks(&vir, fp_out, count, eof); vim_free(vir.vir_line); #ifdef FEAT_MBYTE if (vir.vir_conv.vc_type != CONV_NONE) convert_setup(&vir.vir_conv, NULL, NULL); #endif } /* * read_viminfo_up_to_marks() -- Only called from do_viminfo(). Reads in the * first part of the viminfo file which contains everything but the marks that * are local to a file. Returns TRUE when end-of-file is reached. -- webb */ static int read_viminfo_up_to_marks(virp, forceit, writing) vir_T *virp; int forceit; int writing; { int eof; buf_T *buf; #ifdef FEAT_CMDHIST prepare_viminfo_history(forceit ? 9999 : 0); #endif eof = viminfo_readline(virp); while (!eof && virp->vir_line[0] != '>') { switch (virp->vir_line[0]) { /* Characters reserved for future expansion, ignored now */ case '+': /* "+40 /path/dir file", for running vim without args */ case '|': /* to be defined */ case '^': /* to be defined */ case '<': /* long line - ignored */ /* A comment or empty line. */ case NUL: case '\r': case '\n': case '#': eof = viminfo_readline(virp); break; case '*': /* "*encoding=value" */ eof = viminfo_encoding(virp); break; case '!': /* global variable */ #ifdef FEAT_EVAL eof = read_viminfo_varlist(virp, writing); #else eof = viminfo_readline(virp); #endif break; case '%': /* entry for buffer list */ eof = read_viminfo_bufferlist(virp, writing); break; case '"': eof = read_viminfo_register(virp, forceit); break; case '/': /* Search string */ case '&': /* Substitute search string */ case '~': /* Last search string, followed by '/' or '&' */ eof = read_viminfo_search_pattern(virp, forceit); break; case '$': eof = read_viminfo_sub_string(virp, forceit); break; case ':': case '?': case '=': case '@': #ifdef FEAT_CMDHIST eof = read_viminfo_history(virp); #else eof = viminfo_readline(virp); #endif break; case '-': case '\'': eof = read_viminfo_filemark(virp, forceit); break; default: if (viminfo_error("E575: ", _("Illegal starting char"), virp->vir_line)) eof = TRUE; else eof = viminfo_readline(virp); break; } } #ifdef FEAT_CMDHIST /* Finish reading history items. */ finish_viminfo_history(); #endif /* Change file names to buffer numbers for fmarks. */ for (buf = firstbuf; buf != NULL; buf = buf->b_next) fmarks_check_names(buf); return eof; } /* * Compare the 'encoding' value in the viminfo file with the current value of * 'encoding'. If different and the 'c' flag is in 'viminfo', setup for * conversion of text with iconv() in viminfo_readstring(). */ static int viminfo_encoding(virp) vir_T *virp; { #ifdef FEAT_MBYTE char_u *p; int i; if (get_viminfo_parameter('c') != 0) { p = vim_strchr(virp->vir_line, '='); if (p != NULL) { /* remove trailing newline */ ++p; for (i = 0; vim_isprintc(p[i]); ++i) ; p[i] = NUL; convert_setup(&virp->vir_conv, p, p_enc); } } #endif return viminfo_readline(virp); } /* * Read a line from the viminfo file. * Returns TRUE for end-of-file; */ int viminfo_readline(virp) vir_T *virp; { return vim_fgets(virp->vir_line, LSIZE, virp->vir_fd); } /* * check string read from viminfo file * remove '\n' at the end of the line * - replace CTRL-V CTRL-V with CTRL-V * - replace CTRL-V 'n' with '\n' * * Check for a long line as written by viminfo_writestring(). * * Return the string in allocated memory (NULL when out of memory). */ /*ARGSUSED*/ char_u * viminfo_readstring(virp, off, convert) vir_T *virp; int off; /* offset for virp->vir_line */ int convert; /* convert the string */ { char_u *retval; char_u *s, *d; long len; if (virp->vir_line[off] == Ctrl_V && vim_isdigit(virp->vir_line[off + 1])) { len = atol((char *)virp->vir_line + off + 1); retval = lalloc(len, TRUE); if (retval == NULL) { /* Line too long? File messed up? Skip next line. */ (void)vim_fgets(virp->vir_line, 10, virp->vir_fd); return NULL; } (void)vim_fgets(retval, (int)len, virp->vir_fd); s = retval + 1; /* Skip the leading '<' */ } else { retval = vim_strsave(virp->vir_line + off); if (retval == NULL) return NULL; s = retval; } /* Change CTRL-V CTRL-V to CTRL-V and CTRL-V n to \n in-place. */ d = retval; while (*s != NUL && *s != '\n') { if (s[0] == Ctrl_V && s[1] != NUL) { if (s[1] == 'n') *d++ = '\n'; else *d++ = Ctrl_V; s += 2; } else *d++ = *s++; } *d = NUL; #ifdef FEAT_MBYTE if (convert && virp->vir_conv.vc_type != CONV_NONE && *retval != NUL) { d = string_convert(&virp->vir_conv, retval, NULL); if (d != NULL) { vim_free(retval); retval = d; } } #endif return retval; } /* * write string to viminfo file * - replace CTRL-V with CTRL-V CTRL-V * - replace '\n' with CTRL-V 'n' * - add a '\n' at the end * * For a long line: * - write " CTRL-V <length> \n " in first line * - write " < <string> \n " in second line */ void viminfo_writestring(fd, p) FILE *fd; char_u *p; { int c; char_u *s; int len = 0; for (s = p; *s != NUL; ++s) { if (*s == Ctrl_V || *s == '\n') ++len; ++len; } /* If the string will be too long, write its length and put it in the next * line. Take into account that some room is needed for what comes before * the string (e.g., variable name). Add something to the length for the * '<', NL and trailing NUL. */ if (len > LSIZE / 2) fprintf(fd, IF_EB("\026%d\n<", CTRL_V_STR "%d\n<"), len + 3); while ((c = *p++) != NUL) { if (c == Ctrl_V || c == '\n') { putc(Ctrl_V, fd); if (c == '\n') c = 'n'; } putc(c, fd); } putc('\n', fd); } #endif /* FEAT_VIMINFO */ /* * Implementation of ":fixdel", also used by get_stty(). * <BS> resulting <Del> * ^? ^H * not ^? ^? */ /*ARGSUSED*/ void do_fixdel(eap) exarg_T *eap; { char_u *p; p = find_termcode((char_u *)"kb"); add_termcode((char_u *)"kD", p != NULL && *p == DEL ? (char_u *)CTRL_H_STR : DEL_STR, FALSE); } void print_line_no_prefix(lnum, use_number) linenr_T lnum; int use_number; { char_u numbuf[30]; if (curwin->w_p_nu || use_number) { sprintf((char *)numbuf, "%*ld ", number_width(curwin), (long)lnum); msg_puts_attr(numbuf, hl_attr(HLF_N)); /* Highlight line nrs */ } msg_prt_line(ml_get(lnum)); } /* * Print a text line. Also in silent mode ("ex -s"). */ void print_line(lnum, use_number) linenr_T lnum; int use_number; { int save_silent = silent_mode; silent_mode = FALSE; msg_start(); print_line_no_prefix(lnum, use_number); if (save_silent) { msg_putchar('\n'); cursor_on(); /* msg_start() switches it off */ out_flush(); silent_mode = save_silent; } } /* * ":file[!] [fname]". */ void ex_file(eap) exarg_T *eap; { char_u *fname, *sfname, *xfname; buf_T *buf; /* ":0file" removes the file name. Check for illegal uses ":3file", * "0file name", etc. */ if (eap->addr_count > 0 && (*eap->arg != NUL || eap->line2 > 0 || eap->addr_count > 1)) { EMSG(_(e_invarg)); return; } if (*eap->arg != NUL || eap->addr_count == 1) { #ifdef FEAT_AUTOCMD buf = curbuf; apply_autocmds(EVENT_BUFFILEPRE, NULL, NULL, FALSE, curbuf); /* buffer changed, don't change name now */ if (buf != curbuf) return; # ifdef FEAT_EVAL if (aborting()) /* autocmds may abort script processing */ return; # endif #endif /* * The name of the current buffer will be changed. * A new (unlisted) buffer entry needs to be made to hold the old file * name, which will become the alternate file name. * But don't set the alternate file name if the buffer didn't have a * name. */ fname = curbuf->b_ffname; sfname = curbuf->b_sfname; xfname = curbuf->b_fname; curbuf->b_ffname = NULL; curbuf->b_sfname = NULL; if (setfname(curbuf, eap->arg, NULL, TRUE) == FAIL) { curbuf->b_ffname = fname; curbuf->b_sfname = sfname; return; } curbuf->b_flags |= BF_NOTEDITED; if (xfname != NULL && *xfname != NUL) { buf = buflist_new(fname, xfname, curwin->w_cursor.lnum, 0); if (buf != NULL && !cmdmod.keepalt) curwin->w_alt_fnum = buf->b_fnum; } vim_free(fname); vim_free(sfname); #ifdef FEAT_AUTOCMD apply_autocmds(EVENT_BUFFILEPOST, NULL, NULL, FALSE, curbuf); #endif } /* print full file name if :cd used */ fileinfo(FALSE, FALSE, eap->forceit); } /* * ":update". */ void ex_update(eap) exarg_T *eap; { if (curbufIsChanged()) (void)do_write(eap); } /* * ":write" and ":saveas". */ void ex_write(eap) exarg_T *eap; { if (eap->usefilter) /* input lines to shell command */ do_bang(1, eap, FALSE, TRUE, FALSE); else (void)do_write(eap); } /* * write current buffer to file 'eap->arg' * if 'eap->append' is TRUE, append to the file * * if *eap->arg == NUL write to current file * * return FAIL for failure, OK otherwise */ int do_write(eap) exarg_T *eap; { int other; char_u *fname = NULL; /* init to shut up gcc */ char_u *ffname; int retval = FAIL; char_u *free_fname = NULL; #ifdef FEAT_BROWSE char_u *browse_file = NULL; #endif buf_T *alt_buf = NULL; if (not_writing()) /* check 'write' option */ return FAIL; ffname = eap->arg; #ifdef FEAT_BROWSE if (cmdmod.browse) { browse_file = do_browse(BROWSE_SAVE, (char_u *)_("Save As"), ffname, NULL, NULL, NULL, curbuf); if (browse_file == NULL) goto theend; ffname = browse_file; } #endif if (*ffname == NUL) { if (eap->cmdidx == CMD_saveas) { EMSG(_(e_argreq)); goto theend; } other = FALSE; } else { fname = ffname; free_fname = fix_fname(ffname); /* * When out-of-memory, keep unexpanded file name, because we MUST be * able to write the file in this situation. */ if (free_fname != NULL) ffname = free_fname; other = otherfile(ffname); } /* * If we have a new file, put its name in the list of alternate file names. */ if (other) { if (vim_strchr(p_cpo, CPO_ALTWRITE) != NULL || eap->cmdidx == CMD_saveas) alt_buf = setaltfname(ffname, fname, (linenr_T)1); else alt_buf = buflist_findname(ffname); if (alt_buf != NULL && alt_buf->b_ml.ml_mfp != NULL) { /* Overwriting a file that is loaded in another buffer is not a * good idea. */ EMSG(_("E139: File is loaded in another buffer")); goto theend; } } /* * Writing to the current file is not allowed in readonly mode * and a file name is required. * "nofile" and "nowrite" buffers cannot be written implicitly either. */ if (!other && ( #ifdef FEAT_QUICKFIX bt_dontwrite_msg(curbuf) || #endif check_fname() == FAIL || check_readonly(&eap->forceit, curbuf))) goto theend; if (!other) { ffname = curbuf->b_ffname; fname = curbuf->b_fname; /* * Not writing the whole file is only allowed with '!'. */ if ( (eap->line1 != 1 || eap->line2 != curbuf->b_ml.ml_line_count) && !eap->forceit && !eap->append && !p_wa) { #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) if (p_confirm || cmdmod.confirm) { if (vim_dialog_yesno(VIM_QUESTION, NULL, (char_u *)_("Write partial file?"), 2) != VIM_YES) goto theend; eap->forceit = TRUE; } else #endif { EMSG(_("E140: Use ! to write partial buffer")); goto theend; } } } if (check_overwrite(eap, curbuf, fname, ffname, other) == OK) { if (eap->cmdidx == CMD_saveas && alt_buf != NULL) { #ifdef FEAT_AUTOCMD buf_T *was_curbuf = curbuf; apply_autocmds(EVENT_BUFFILEPRE, NULL, NULL, FALSE, curbuf); apply_autocmds(EVENT_BUFFILEPRE, NULL, NULL, FALSE, alt_buf); # ifdef FEAT_EVAL if (curbuf != was_curbuf || aborting()) # else if (curbuf != was_curbuf) # endif { /* buffer changed, don't change name now */ retval = FAIL; goto theend; } #endif /* Exchange the file names for the current and the alternate * buffer. This makes it look like we are now editing the buffer * under the new name. Must be done before buf_write(), because * if there is no file name and 'cpo' contains 'F', it will set * the file name. */ fname = alt_buf->b_fname; alt_buf->b_fname = curbuf->b_fname; curbuf->b_fname = fname; fname = alt_buf->b_ffname; alt_buf->b_ffname = curbuf->b_ffname; curbuf->b_ffname = fname; fname = alt_buf->b_sfname; alt_buf->b_sfname = curbuf->b_sfname; curbuf->b_sfname = fname; buf_name_changed(curbuf); #ifdef FEAT_AUTOCMD apply_autocmds(EVENT_BUFFILEPOST, NULL, NULL, FALSE, curbuf); apply_autocmds(EVENT_BUFFILEPOST, NULL, NULL, FALSE, alt_buf); if (!alt_buf->b_p_bl) { alt_buf->b_p_bl = TRUE; apply_autocmds(EVENT_BUFADD, NULL, NULL, FALSE, alt_buf); } # ifdef FEAT_EVAL if (curbuf != was_curbuf || aborting()) # else if (curbuf != was_curbuf) # endif { /* buffer changed, don't write the file */ retval = FAIL; goto theend; } #endif } retval = buf_write(curbuf, ffname, fname, eap->line1, eap->line2, eap, eap->append, eap->forceit, TRUE, FALSE); } theend: #ifdef FEAT_BROWSE vim_free(browse_file); #endif vim_free(free_fname); return retval; } /* * Check if it is allowed to overwrite a file. If b_flags has BF_NOTEDITED, * BF_NEW or BF_READERR, check for overwriting current file. * May set eap->forceit if a dialog says it's OK to overwrite. * Return OK if it's OK, FAIL if it is not. */ /*ARGSUSED*/ static int check_overwrite(eap, buf, fname, ffname, other) exarg_T *eap; buf_T *buf; char_u *fname; /* file name to be used (can differ from buf->ffname) */ char_u *ffname; /* full path version of fname */ int other; /* writing under other name */ { /* * write to other file or b_flags set or not writing the whole file: * overwriting only allowed with '!' */ if ( (other || (buf->b_flags & BF_NOTEDITED) || ((buf->b_flags & BF_NEW) && vim_strchr(p_cpo, CPO_OVERNEW) == NULL) || (buf->b_flags & BF_READERR)) && !eap->forceit && !eap->append && !p_wa && vim_fexists(ffname)) { #ifdef UNIX /* with UNIX it is possible to open a directory */ if (mch_isdir(ffname)) { EMSG2(_(e_isadir2), ffname); return FAIL; } #endif #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) if (p_confirm || cmdmod.confirm) { char_u buff[IOSIZE]; dialog_msg(buff, _("Overwrite existing file \"%.*s\"?"), fname); if (vim_dialog_yesno(VIM_QUESTION, NULL, buff, 2) != VIM_YES) return FAIL; eap->forceit = TRUE; } else #endif { EMSG(_(e_exists)); return FAIL; } } return OK; } /* * Handle ":wnext", ":wNext" and ":wprevious" commands. */ void ex_wnext(eap) exarg_T *eap; { int i; if (eap->cmd[1] == 'n') i = curwin->w_arg_idx + (int)eap->line2; else i = curwin->w_arg_idx - (int)eap->line2; eap->line1 = 1; eap->line2 = curbuf->b_ml.ml_line_count; if (do_write(eap) != FAIL) do_argfile(eap, i); } /* * ":wall", ":wqall" and ":xall": Write all changed files (and exit). */ void do_wqall(eap) exarg_T *eap; { buf_T *buf; int error = 0; int save_forceit = eap->forceit; if (eap->cmdidx == CMD_xall || eap->cmdidx == CMD_wqall) exiting = TRUE; for (buf = firstbuf; buf != NULL; buf = buf->b_next) { if (bufIsChanged(buf)) { /* * Check if there is a reason the buffer cannot be written: * 1. if the 'write' option is set * 2. if there is no file name (even after browsing) * 3. if the 'readonly' is set (even after a dialog) * 4. if overwriting is allowed (even after a dialog) */ if (not_writing()) { ++error; break; } #ifdef FEAT_BROWSE /* ":browse wall": ask for file name if there isn't one */ if (buf->b_ffname == NULL && cmdmod.browse) browse_save_fname(buf); #endif if (buf->b_ffname == NULL) { EMSGN(_("E141: No file name for buffer %ld"), (long)buf->b_fnum); ++error; } else if (check_readonly(&eap->forceit, buf) || check_overwrite(eap, buf, buf->b_fname, buf->b_ffname, FALSE) == FAIL) { ++error; } else { if (buf_write_all(buf, eap->forceit) == FAIL) ++error; #ifdef FEAT_AUTOCMD /* an autocommand may have deleted the buffer */ if (!buf_valid(buf)) buf = firstbuf; #endif } eap->forceit = save_forceit; /* check_overwrite() may set it */ } } if (exiting) { if (!error) getout(0); /* exit Vim */ not_exiting(); } } /* * Check the 'write' option. * Return TRUE and give a message when it's not st. */ int not_writing() { if (p_write) return FALSE; EMSG(_("E142: File not written: Writing is disabled by 'write' option")); return TRUE; } /* * Check if a buffer is read-only. Ask for overruling in a dialog. * Return TRUE and give an error message when the buffer is readonly. */ static int check_readonly(forceit, buf) int *forceit; buf_T *buf; { if (!*forceit && buf->b_p_ro) { #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) if ((p_confirm || cmdmod.confirm) && buf->b_fname != NULL) { char_u buff[IOSIZE]; dialog_msg(buff, _("'readonly' option is set for \"%.*s\".\nDo you wish to write anyway?"), buf->b_fname); if (vim_dialog_yesno(VIM_QUESTION, NULL, buff, 2) == VIM_YES) { /* Set forceit, to force the writing of a readonly file */ *forceit = TRUE; return FALSE; } else return TRUE; } else #endif EMSG(_(e_readonly)); return TRUE; } return FALSE; } /* * try to abandon current file and edit a new or existing file * 'fnum' is the number of the file, if zero use ffname/sfname * * return 1 for "normal" error, 2 for "not written" error, 0 for success * -1 for succesfully opening another file * 'lnum' is the line number for the cursor in the new file (if non-zero). */ int getfile(fnum, ffname, sfname, setpm, lnum, forceit) int fnum; char_u *ffname; char_u *sfname; int setpm; linenr_T lnum; int forceit; { int other; int retval; char_u *free_me = NULL; #ifdef FEAT_CMDWIN if (cmdwin_type != 0) return 1; #endif if (fnum == 0) { /* make ffname full path, set sfname */ fname_expand(curbuf, &ffname, &sfname); other = otherfile(ffname); free_me = ffname; /* has been allocated, free() later */ } else other = (fnum != curbuf->b_fnum); if (other) ++no_wait_return; /* don't wait for autowrite message */ if (other && !forceit && curbuf->b_nwindows == 1 && !P_HID(curbuf) && curbufIsChanged() && autowrite(curbuf, forceit) == FAIL) { #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) if (p_confirm && p_write) dialog_changed(curbuf, FALSE); if (curbufIsChanged()) #endif { if (other) --no_wait_return; EMSG(_(e_nowrtmsg)); retval = 2; /* file has been changed */ goto theend; } } if (other) --no_wait_return; if (setpm) setpcmark(); if (!other) { if (lnum != 0) curwin->w_cursor.lnum = lnum; check_cursor_lnum(); beginline(BL_SOL | BL_FIX); retval = 0; /* it's in the same file */ } else if (do_ecmd(fnum, ffname, sfname, NULL, lnum, (P_HID(curbuf) ? ECMD_HIDE : 0) + (forceit ? ECMD_FORCEIT : 0)) == OK) retval = -1; /* opened another file */ else retval = 1; /* error encountered */ theend: vim_free(free_me); return retval; } /* * start editing a new file * * fnum: file number; if zero use ffname/sfname * ffname: the file name * - full path if sfname used, * - any file name if sfname is NULL * - empty string to re-edit with the same file name (but may be * in a different directory) * - NULL to start an empty buffer * sfname: the short file name (or NULL) * eap: contains the command to be executed after loading the file and * forced 'ff' and 'fenc' * newlnum: if > 0: put cursor on this line number (if possible) * if ECMD_LASTL: use last position in loaded file * if ECMD_LAST: use last position in all files * if ECMD_ONE: use first line * flags: * ECMD_HIDE: if TRUE don't free the current buffer * ECMD_SET_HELP: set b_help flag of (new) buffer before opening file * ECMD_OLDBUF: use existing buffer if it exists * ECMD_FORCEIT: ! used for Ex command * ECMD_ADDBUF: don't edit, just add to buffer list * * return FAIL for failure, OK otherwise */ int do_ecmd(fnum, ffname, sfname, eap, newlnum, flags) int fnum; char_u *ffname; char_u *sfname; exarg_T *eap; /* can be NULL! */ linenr_T newlnum; int flags; { int other_file; /* TRUE if editing another file */ int oldbuf; /* TRUE if using existing buffer */ #ifdef FEAT_AUTOCMD int auto_buf = FALSE; /* TRUE if autocommands brought us into the buffer unexpectedly */ char_u *new_name = NULL; #endif buf_T *buf; #if defined(FEAT_AUTOCMD) || defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) buf_T *old_curbuf = curbuf; #endif char_u *free_fname = NULL; #ifdef FEAT_BROWSE char_u *browse_file = NULL; #endif int retval = FAIL; long n; linenr_T lnum; linenr_T topline = 0; int newcol = -1; int solcol = -1; pos_T *pos; #ifdef FEAT_SUN_WORKSHOP char_u *cp; #endif char_u *command = NULL; if (eap != NULL) command = eap->do_ecmd_cmd; if (fnum != 0) { if (fnum == curbuf->b_fnum) /* file is already being edited */ return OK; /* nothing to do */ other_file = TRUE; } else { #ifdef FEAT_BROWSE if (cmdmod.browse) { browse_file = do_browse(0, (char_u *)_("Edit File"), ffname, NULL, NULL, NULL, curbuf); if (browse_file == NULL) goto theend; ffname = browse_file; } #endif /* if no short name given, use ffname for short name */ if (sfname == NULL) sfname = ffname; #ifdef USE_FNAME_CASE # ifdef USE_LONG_FNAME if (USE_LONG_FNAME) # endif fname_case(sfname, 0); /* set correct case for short file name */ #endif #ifdef FEAT_LISTCMDS if ((flags & ECMD_ADDBUF) && (ffname == NULL || *ffname == NUL)) goto theend; #endif if (ffname == NULL) other_file = TRUE; /* there is no file name */ else if (*ffname == NUL && curbuf->b_ffname == NULL) other_file = FALSE; else { if (*ffname == NUL) /* re-edit with same file name */ { ffname = curbuf->b_ffname; sfname = curbuf->b_fname; } free_fname = fix_fname(ffname); /* may expand to full path name */ if (free_fname != NULL) ffname = free_fname; other_file = otherfile(ffname); #ifdef FEAT_SUN_WORKSHOP if (usingSunWorkShop && p_acd && (cp = vim_strrchr(sfname, '/')) != NULL) sfname = ++cp; #endif } } /* * if the file was changed we may not be allowed to abandon it * - if we are going to re-edit the same file * - or if we are the only window on this file and if ECMD_HIDE is FALSE */ if ( ((!other_file && !(flags & ECMD_OLDBUF)) || (curbuf->b_nwindows == 1 && !(flags & (ECMD_HIDE | ECMD_ADDBUF)))) && check_changed(curbuf, p_awa, !other_file, (flags & ECMD_FORCEIT), FALSE)) { if (fnum == 0 && other_file && ffname != NULL) (void)setaltfname(ffname, sfname, newlnum < 0 ? 0 : newlnum); goto theend; } #ifdef FEAT_VISUAL /* * End Visual mode before switching to another buffer, so the text can be * copied into the GUI selection buffer. */ reset_VIsual(); #endif /* * If we are starting to edit another file, open a (new) buffer. * Otherwise we re-use the current buffer. */ if (other_file) { #ifdef FEAT_LISTCMDS if (!(flags & ECMD_ADDBUF)) #endif { if (!cmdmod.keepalt) curwin->w_alt_fnum = curbuf->b_fnum; buflist_altfpos(); } if (fnum) buf = buflist_findnr(fnum); else { #ifdef FEAT_LISTCMDS if (flags & ECMD_ADDBUF) { linenr_T tlnum = 1L; if (command != NULL) { tlnum = atol((char *)command); if (tlnum <= 0) tlnum = 1L; } (void)buflist_new(ffname, sfname, tlnum, BLN_LISTED); goto theend; } #endif buf = buflist_new(ffname, sfname, 0L, BLN_CURBUF | ((flags & ECMD_SET_HELP) ? 0 : BLN_LISTED)); } if (buf == NULL) goto theend; if (buf->b_ml.ml_mfp == NULL) /* no memfile yet */ { oldbuf = FALSE; buf->b_nwindows = 0; } else /* existing memfile */ { oldbuf = TRUE; (void)buf_check_timestamp(buf, FALSE); /* Check if autocommands made buffer invalid or changed the current * buffer. */ if (!buf_valid(buf) #ifdef FEAT_AUTOCMD || curbuf != old_curbuf #endif ) goto theend; #ifdef FEAT_EVAL if (aborting()) /* autocmds may abort script processing */ goto theend; #endif } /* May jump to last used line number for a loaded buffer or when asked * for explicitly */ if ((oldbuf && newlnum == ECMD_LASTL) || newlnum == ECMD_LAST) { pos = buflist_findfpos(buf); newlnum = pos->lnum; solcol = pos->col; } /* * Make the (new) buffer the one used by the current window. * If the old buffer becomes unused, free it if ECMD_HIDE is FALSE. * If the current buffer was empty and has no file name, curbuf * is returned by buflist_new(). */ if (buf != curbuf) { #ifdef FEAT_AUTOCMD /* * Be careful: The autocommands may delete any buffer and change * the current buffer. * - If the buffer we are going to edit is deleted, give up. * - If the current buffer is deleted, prefer to load the new * buffer when loading a buffer is required. This avoids * loading another buffer which then must be closed again. * - If we ended up in the new buffer already, need to skip a few * things, set auto_buf. */ if (buf->b_fname != NULL) new_name = vim_strsave(buf->b_fname); au_new_curbuf = buf; apply_autocmds(EVENT_BUFLEAVE, NULL, NULL, FALSE, curbuf); if (!buf_valid(buf)) /* new buffer has been deleted */ { delbuf_msg(new_name); /* frees new_name */ goto theend; } # ifdef FEAT_EVAL if (aborting()) /* autocmds may abort script processing */ { vim_free(new_name); goto theend; } # endif if (buf == curbuf) /* already in new buffer */ auto_buf = TRUE; else { if (curbuf == old_curbuf) #endif buf_copy_options(buf, BCO_ENTER); /* close the link to the current buffer */ close_buffer(curwin, curbuf, (flags & ECMD_HIDE) ? 0 : DOBUF_UNLOAD); #ifdef FEAT_AUTOCMD # ifdef FEAT_EVAL if (aborting()) /* autocmds may abort script processing */ { vim_free(new_name); goto theend; } # endif /* Be careful again, like above. */ if (!buf_valid(buf)) /* new buffer has been deleted */ { delbuf_msg(new_name); /* frees new_name */ goto theend; } if (buf == curbuf) /* already in new buffer */ auto_buf = TRUE; else #endif { curwin->w_buffer = buf; curbuf = buf; ++curbuf->b_nwindows; /* set 'fileformat' */ if (*p_ffs && !oldbuf) set_fileformat(default_fileformat(), OPT_LOCAL); } /* May get the window options from the last time this buffer * was in this window (or another window). If not used * before, reset the local window options to the global * values. Also restores old folding stuff. */ get_winopts(buf); #ifdef FEAT_AUTOCMD } vim_free(new_name); au_new_curbuf = NULL; #endif } else ++curbuf->b_nwindows; curwin->w_pcmark.lnum = 1; curwin->w_pcmark.col = 0; } else /* !other_file */ { if ( #ifdef FEAT_LISTCMDS (flags & ECMD_ADDBUF) || #endif check_fname() == FAIL) goto theend; oldbuf = (flags & ECMD_OLDBUF); } if ((flags & ECMD_SET_HELP) || keep_help_flag) { char_u *p; curbuf->b_help = TRUE; #ifdef FEAT_QUICKFIX set_string_option_direct((char_u *)"buftype", -1, (char_u *)"help", OPT_FREE|OPT_LOCAL); #endif /* * Always set these options after jumping to a help tag, because the * user may have an autocommand that gets in the way. * Accept all ASCII chars for keywords, except ' ', '*', '"', '|', and * latin1 word characters (for translated help files). * Only set it when needed, buf_init_chartab() is some work. */ p = #ifdef EBCDIC (char_u *)"65-255,^*,^|,^\""; #else (char_u *)"!-~,^*,^|,^\",192-255"; #endif if (STRCMP(curbuf->b_p_isk, p) != 0) { set_string_option_direct((char_u *)"isk", -1, p, OPT_FREE|OPT_LOCAL); check_buf_options(curbuf); (void)buf_init_chartab(curbuf, FALSE); } curbuf->b_p_ts = 8; /* 'tabstop' is 8 */ curwin->w_p_list = FALSE; /* no list mode */ curbuf->b_p_ma = FALSE; /* not modifiable */ curbuf->b_p_bin = FALSE; /* reset 'bin' before reading file */ curwin->w_p_nu = 0; /* no line numbers */ #ifdef FEAT_SCROLLBIND curwin->w_p_scb = FALSE; /* no scroll binding */ #endif #ifdef FEAT_ARABIC curwin->w_p_arab = FALSE; /* no arabic mode */ #endif #ifdef FEAT_RIGHTLEFT curwin->w_p_rl = FALSE; /* help window is left-to-right */ #endif #ifdef FEAT_FOLDING curwin->w_p_fen = FALSE; /* No folding in the help window */ #endif #ifdef FEAT_DIFF curwin->w_p_diff = FALSE; /* No 'diff' */ #endif #ifdef FEAT_AUTOCMD buf = curbuf; #endif set_buflisted(FALSE); } else { #ifdef FEAT_AUTOCMD buf = curbuf; #endif /* Don't make a buffer listed if it's a help buffer. Useful when * using CTRL-O to go back to a help file. */ if (!curbuf->b_help) set_buflisted(TRUE); } #ifdef FEAT_AUTOCMD /* If autocommands change buffers under our fingers, forget about * editing the file. */ if (buf != curbuf) goto theend; # ifdef FEAT_EVAL if (aborting()) /* autocmds may abort script processing */ goto theend; # endif /* Since we are starting to edit a file, consider the filetype to be * unset. Helps for when an autocommand changes files and expects syntax * highlighting to work in the other file. */ did_filetype = FALSE; #endif /* * other_file oldbuf * FALSE FALSE re-edit same file, buffer is re-used * FALSE TRUE re-edit same file, nothing changes * TRUE FALSE start editing new file, new buffer * TRUE TRUE start editing in existing buffer (nothing to do) */ if (!other_file && !oldbuf) /* re-use the buffer */ { set_last_cursor(curwin); /* may set b_last_cursor */ if (newlnum == ECMD_LAST || newlnum == ECMD_LASTL) { newlnum = curwin->w_cursor.lnum; solcol = curwin->w_cursor.col; } #ifdef FEAT_AUTOCMD buf = curbuf; if (buf->b_fname != NULL) new_name = vim_strsave(buf->b_fname); else new_name = NULL; #endif buf_freeall(curbuf, FALSE, FALSE); /* free all things for buffer */ #ifdef FEAT_AUTOCMD /* If autocommands deleted the buffer we were going to re-edit, give * up and jump to the end. */ if (!buf_valid(buf)) { delbuf_msg(new_name); /* frees new_name */ goto theend; } vim_free(new_name); /* If autocommands change buffers under our fingers, forget about * re-editing the file. Should do the buf_clear_file(), but perhaps * the autocommands changed the buffer... */ if (buf != curbuf) goto theend; # ifdef FEAT_EVAL if (aborting()) /* autocmds may abort script processing */ goto theend; # endif #endif buf_clear_file(curbuf); curbuf->b_op_start.lnum = 0; /* clear '[ and '] marks */ curbuf->b_op_end.lnum = 0; } /* * If we get here we are sure to start editing */ /* don't redraw until the cursor is in the right line */ ++RedrawingDisabled; /* Assume success now */ retval = OK; /* * Reset cursor position, could be used by autocommands. */ check_cursor(); /* * Check if we are editing the w_arg_idx file in the argument list. */ check_arg_idx(curwin); #ifdef FEAT_AUTOCMD if (!auto_buf) #endif { /* * Set cursor and init window before reading the file and executing * autocommands. This allows for the autocommands to position the * cursor. */ win_init(curwin); #ifdef FEAT_FOLDING /* It's like all lines in the buffer changed. Need to update * automatic folding. */ foldUpdateAll(curwin); #endif #if defined(FEAT_SUN_WORKSHOP) || defined(FEAT_NETBEANS_INTG) if (p_acd && curbuf->b_ffname != NULL && vim_chdirfile(curbuf->b_ffname) == OK) shorten_fnames(TRUE); #endif /* * Careful: open_buffer() and apply_autocmds() may change the current * buffer and window. */ lnum = curwin->w_cursor.lnum; topline = curwin->w_topline; if (!oldbuf) /* need to read the file */ { #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) swap_exists_action = SEA_DIALOG; #endif curbuf->b_flags |= BF_CHECK_RO; /* set/reset 'ro' flag */ /* * Open the buffer and read the file. */ #if defined(FEAT_AUTOCMD) && defined(FEAT_EVAL) if (should_abort(open_buffer(FALSE, eap))) retval = FAIL; #else (void)open_buffer(FALSE, eap); #endif #if defined(FEAT_GUI_DIALOG) || defined(FEAT_CON_DIALOG) if (swap_exists_action == SEA_QUIT) retval = FAIL; handle_swap_exists(old_curbuf); #endif } #ifdef FEAT_AUTOCMD else { /* Read the modelines, but only to set window-local options. Any * buffer-local options have already been set and may have been * changed by the user. */ do_modelines(TRUE); apply_autocmds_retval(EVENT_BUFENTER, NULL, NULL, FALSE, curbuf, &retval); apply_autocmds_retval(EVENT_BUFWINENTER, NULL, NULL, FALSE, curbuf, &retval); } check_arg_idx(curwin); #endif /* * If autocommands change the cursor position or topline, we should * keep it. */ if (curwin->w_cursor.lnum != lnum) { newlnum = curwin->w_cursor.lnum; newcol = curwin->w_cursor.col; } if (curwin->w_topline == topline) topline = 0; /* Even when cursor didn't move we need to recompute topline. */ changed_line_abv_curs(); #ifdef FEAT_TITLE maketitle(); #endif } #ifdef FEAT_DIFF /* Tell the diff stuff that this buffer is new and/or needs updating. * Also needed when re-editing the same buffer, because unloading will * have removed it as a diff buffer. */ diff_new_buffer(); diff_invalidate(); #endif if (command == NULL) { if (newcol >= 0) /* position set by autocommands */ { curwin->w_cursor.lnum = newlnum; curwin->w_cursor.col = newcol; check_cursor(); } else if (newlnum > 0) /* line number from caller or old position */ { curwin->w_cursor.lnum = newlnum; check_cursor_lnum(); if (solcol >= 0 && !p_sol) { /* 'sol' is off: Use last known column. */ curwin->w_cursor.col = solcol; check_cursor_col(); #ifdef FEAT_VIRTUALEDIT curwin->w_cursor.coladd = 0; #endif curwin->w_set_curswant = TRUE; } else beginline(BL_SOL | BL_FIX); } else /* no line number, go to last line in Ex mode */ { if (exmode_active) curwin->w_cursor.lnum = curbuf->b_ml.ml_line_count; beginline(BL_WHITE | BL_FIX); } } #ifdef FEAT_WINDOWS /* Check if cursors in other windows on the same buffer are still valid */ check_lnums(FALSE); #endif /* * Did not read the file, need to show some info about the file. * Do this after setting the cursor. */ if (oldbuf #ifdef FEAT_AUTOCMD && !auto_buf #endif ) { int msg_scroll_save = msg_scroll; /* Obey the 'O' flag in 'cpoptions': overwrite any previous file * message. */ if (shortmess(SHM_OVERALL) && !exiting && p_verbose == 0) msg_scroll = FALSE; if (!msg_scroll) /* wait a bit when overwriting an error msg */ check_for_delay(FALSE); msg_start(); msg_scroll = msg_scroll_save; msg_scrolled_ign = TRUE; fileinfo(FALSE, TRUE, FALSE); msg_scrolled_ign = FALSE; } if (command != NULL) do_cmdline(command, NULL, NULL, DOCMD_VERBOSE); #ifdef FEAT_KEYMAP if (curbuf->b_kmap_state & KEYMAP_INIT) keymap_init(); #endif --RedrawingDisabled; if (!skip_redraw) { n = p_so; if (topline == 0 && command == NULL) p_so = 999; /* force cursor halfway the window */ update_topline(); #ifdef FEAT_SCROLLBIND curwin->w_scbind_pos = curwin->w_topline; #endif p_so = n; redraw_curbuf_later(NOT_VALID); /* redraw this buffer later */ } if (p_im) need_start_insertmode = TRUE; #if defined(FEAT_SUN_WORKSHOP) || defined(FEAT_NETBEANS_INTG) /* Change directories when the acd option is set on. */ if (p_acd && curbuf->b_ffname != NULL && vim_chdirfile(curbuf->b_ffname) == OK) shorten_fnames(TRUE); if (gui.in_use && curbuf->b_ffname != NULL) { # ifdef FEAT_SUN_WORKSHOP if (usingSunWorkShop) workshop_file_opened((char *)curbuf->b_ffname, curbuf->b_p_ro); # endif # ifdef FEAT_NETBEANS_INTG if (usingNetbeans & ((flags & ECMD_SET_HELP) != ECMD_SET_HELP)) netbeans_file_opened(curbuf); # endif } #endif theend: #ifdef FEAT_BROWSE vim_free(browse_file); #endif vim_free(free_fname); return retval; } #ifdef FEAT_AUTOCMD static void delbuf_msg(name) char_u *name; { EMSG2(_("E143: Autocommands unexpectedly deleted new buffer %s"), name == NULL ? (char_u *)"" : name); vim_free(name); au_new_curbuf = NULL; } #endif /* * ":insert" and ":append", also used by ":change" */ void ex_append(eap) exarg_T *eap; { char_u *theline; int did_undo = FALSE; linenr_T lnum = eap->line2; if (eap->cmdidx != CMD_append) --lnum; State = INSERT; /* behave like in Insert mode */ if (curbuf->b_p_iminsert == B_IMODE_LMAP) State |= LANGMAP; while (1) { msg_scroll = TRUE; need_wait_return = FALSE; if (eap->getline == NULL) theline = getcmdline( #ifdef FEAT_EVAL eap->cstack->cs_looplevel > 0 ? -1 : #endif NUL, 0L, 0); else theline = eap->getline( #ifdef FEAT_EVAL eap->cstack->cs_looplevel > 0 ? -1 : #endif NUL, eap->cookie, 0); lines_left = Rows - 1; if (theline == NULL || (theline[0] == '.' && theline[1] == NUL) || (!did_undo && u_save(lnum, lnum + 1) == FAIL)) { vim_free(theline); break; } did_undo = TRUE; ml_append(lnum, theline, (colnr_T)0, FALSE); appended_lines_mark(lnum, 1L); vim_free(theline); ++lnum; msg_didout = TRUE; /* also scroll for empty line */ } State = NORMAL; /* "start" is set to eap->line2+1 unless that position is invalid (when * eap->line2 pointed to the end of the buffer and nothig was appended) * "end" is set to lnum when something has been appended, otherwise * it is the same than "start" -- Acevedo */ curbuf->b_op_start.lnum = (eap->line2 < curbuf->b_ml.ml_line_count) ? eap->line2 + 1 : curbuf->b_ml.ml_line_count; if (eap->cmdidx != CMD_append) --curbuf->b_op_start.lnum; curbuf->b_op_end.lnum = (eap->line2 < lnum) ? lnum : curbuf->b_op_start.lnum; curbuf->b_op_start.col = curbuf->b_op_end.col = 0; curwin->w_cursor.lnum = lnum; check_cursor_lnum(); beginline(BL_SOL | BL_FIX); need_wait_return = FALSE; /* don't use wait_return() now */ ex_no_reprint = TRUE; } /* * ":change" */ void ex_change(eap) exarg_T *eap; { linenr_T lnum; if (eap->line2 >= eap->line1 && u_save(eap->line1 - 1, eap->line2 + 1) == FAIL) return; for (lnum = eap->line2; lnum >= eap->line1; --lnum) { if (curbuf->b_ml.ml_flags & ML_EMPTY) /* nothing to delete */ break; ml_delete(eap->line1, FALSE); } deleted_lines_mark(eap->line1, (long)(eap->line2 - lnum)); /* ":append" on the line above the deleted lines. */ eap->line2 = eap->line1; ex_append(eap); } void ex_z(eap) exarg_T *eap; { char_u *x; int bigness = curwin->w_height - 3; char_u kind; int numbered = FALSE; int minus = 0; linenr_T start, end, curs, i; int j; linenr_T lnum = eap->line2; if (bigness < 1) bigness = 1; x = eap->arg; if (*x == '#') { numbered = TRUE; ++x; } kind = *x; if (kind == '-' || kind == '+' || kind == '=' || kind == '^' || kind == '.') ++x; if (*x != 0) { if (!VIM_ISDIGIT(*x)) { EMSG(_("E144: non-numeric argument to :z")); return; } else bigness = atoi((char *)x); } switch (kind) { case '-': start = lnum - bigness; end = lnum; curs = lnum; break; case '=': start = lnum - bigness / 2 + 1; end = lnum + bigness / 2 - 1; curs = lnum; minus = 1; break; case '^': start = lnum - bigness * 2; end = lnum - bigness; curs = lnum - bigness; break; case '.': start = lnum - bigness / 2; end = lnum + bigness / 2; curs = end; break; default: /* '+' */ start = lnum; end = lnum + bigness; curs = end; break; } if (start < 1) start = 1; if (end > curbuf->b_ml.ml_line_count) end = curbuf->b_ml.ml_line_count; if (curs > curbuf->b_ml.ml_line_count) curs = curbuf->b_ml.ml_line_count; for (i = start; i <= end; i++) { if (minus && i == lnum) { msg_putchar('\n'); for (j = 1; j < Columns; j++) msg_putchar('-'); } print_line(i, numbered); if (minus && i == lnum) { msg_putchar('\n'); for (j = 1; j < Columns; j++) msg_putchar('-'); } } curwin->w_cursor.lnum = curs; ex_no_reprint = TRUE; } /* * Check if the restricted flag is set. * If so, give an error message and return TRUE. * Otherwise, return FALSE. */ int check_restricted() { if (restricted) { EMSG(_("E145: Shell commands not allowed in rvim")); return TRUE; } return FALSE; } /* * Check if the secure flag is set (.exrc or .vimrc in current directory). * If so, give an error message and return TRUE. * Otherwise, return FALSE. */ int check_secure() { if (secure) { secure = 2; EMSG(_(e_curdir)); return TRUE; } #ifdef HAVE_SANDBOX /* * In the sandbox more things are not allowed, including the things * disallowed in secure mode. */ if (sandbox != 0) { EMSG(_(e_sandbox)); return TRUE; } #endif return FALSE; } static char_u *old_sub = NULL; /* previous substitute pattern */ static int global_need_beginline; /* call beginline() after ":g" */ /* * When ":global" is used to number of substitutions and changed lines is * accumulated until it's finished. */ static long sub_nsubs; /* total number of substitutions */ static linenr_T sub_nlines; /* total number of lines changed */ /* do_sub() * * Perform a substitution from line eap->line1 to line eap->line2 using the * command pointed to by eap->arg which should be of the form: * * /pattern/substitution/{flags} * * The usual escapes are supported as described in the regexp docs. */ void do_sub(eap) exarg_T *eap; { linenr_T lnum; long i = 0; regmmatch_T regmatch; static int do_all = FALSE; /* do multiple substitutions per line */ static int do_ask = FALSE; /* ask for confirmation */ static int do_error = TRUE; /* if false, ignore errors */ static int do_print = FALSE; /* print last line with subs. */ static int do_ic = 0; /* ignore case flag */ char_u *pat = NULL, *sub = NULL; /* init for GCC */ int delimiter; int sublen; int got_quit = FALSE; int got_match = FALSE; int temp; int which_pat; char_u *cmd; int save_State; linenr_T first_line = 0; /* first changed line */ linenr_T last_line= 0; /* below last changed line AFTER the * change */ linenr_T old_line_count = curbuf->b_ml.ml_line_count; linenr_T line2; long nmatch; /* number of lines in match */ linenr_T sub_firstlnum; /* nr of first sub line */ char_u *sub_firstline; /* allocated copy of first sub line */ cmd = eap->arg; if (!global_busy) { sub_nsubs = 0; sub_nlines = 0; } #ifdef FEAT_FKMAP /* reverse the flow of the Farsi characters */ if (p_altkeymap && curwin->w_p_rl) lrF_sub(cmd); #endif if (eap->cmdidx == CMD_tilde) which_pat = RE_LAST; /* use last used regexp */ else which_pat = RE_SUBST; /* use last substitute regexp */ /* new pattern and substitution */ if (eap->cmd[0] == 's' && *cmd != NUL && !vim_iswhite(*cmd) && vim_strchr((char_u *)"0123456789cegriIp|\"", *cmd) == NULL) { /* don't accept alphanumeric for separator */ if (isalpha(*cmd)) { EMSG(_("E146: Regular expressions can't be delimited by letters")); return; } /* * undocumented vi feature: * "\/sub/" and "\?sub?" use last used search pattern (almost like * //sub/r). "\&sub&" use last substitute pattern (like //sub/). */ if (*cmd == '\\') { ++cmd; if (vim_strchr((char_u *)"/?&", *cmd) == NULL) { EMSG(_(e_backslash)); return; } if (*cmd != '&') which_pat = RE_SEARCH; /* use last '/' pattern */ pat = (char_u *)""; /* empty search pattern */ delimiter = *cmd++; /* remember delimiter character */ } else /* find the end of the regexp */ { which_pat = RE_LAST; /* use last used regexp */ delimiter = *cmd++; /* remember delimiter character */ pat = cmd; /* remember start of search pat */ cmd = skip_regexp(cmd, delimiter, p_magic, &eap->arg); if (cmd[0] == delimiter) /* end delimiter found */ *cmd++ = NUL; /* replace it with a NUL */ } /* * Small incompatibility: vi sees '\n' as end of the command, but in * Vim we want to use '\n' to find/substitute a NUL. */ sub = cmd; /* remember the start of the substitution */ while (cmd[0]) { if (cmd[0] == delimiter) /* end delimiter found */ { *cmd++ = NUL; /* replace it with a NUL */ break; } if (cmd[0] == '\\' && cmd[1] != 0) /* skip escaped characters */ ++cmd; mb_ptr_adv(cmd); } if (!eap->skip) { vim_free(old_sub); old_sub = vim_strsave(sub); } } else if (!eap->skip) /* use previous pattern and substitution */ { if (old_sub == NULL) /* there is no previous command */ { EMSG(_(e_nopresub)); return; } pat = NULL; /* search_regcomp() will use previous pattern */ sub = old_sub; } /* * Find trailing options. When '&' is used, keep old options. */ if (*cmd == '&') ++cmd; else { if (!p_ed) { if (p_gd) /* default is global on */ do_all = TRUE; else do_all = FALSE; do_ask = FALSE; } do_error = TRUE; do_print = FALSE; do_ic = 0; } while (*cmd) { /* * Note that 'g' and 'c' are always inverted, also when p_ed is off. * 'r' is never inverted. */ if (*cmd == 'g') do_all = !do_all; else if (*cmd == 'c') do_ask = !do_ask; else if (*cmd == 'e') do_error = !do_error; else if (*cmd == 'r') /* use last used regexp */ which_pat = RE_LAST; else if (*cmd == 'p') do_print = TRUE; else if (*cmd == 'i') /* ignore case */ do_ic = 'i'; else if (*cmd == 'I') /* don't ignore case */ do_ic = 'I'; else break; ++cmd; } /* * check for a trailing count */ cmd = skipwhite(cmd); if (VIM_ISDIGIT(*cmd)) { i = getdigits(&cmd); if (i <= 0 && !eap->skip && do_error) { EMSG(_(e_zerocount)); return; } eap->line1 = eap->line2; eap->line2 += i - 1; if (eap->line2 > curbuf->b_ml.ml_line_count) eap->line2 = curbuf->b_ml.ml_line_count; } /* * check for trailing command or garbage */ cmd = skipwhite(cmd); if (*cmd && *cmd != '"') /* if not end-of-line or comment */ { eap->nextcmd = check_nextcmd(cmd); if (eap->nextcmd == NULL) { EMSG(_(e_trailing)); return; } } if (eap->skip) /* not executing commands, only parsing */ return; if (search_regcomp(pat, RE_SUBST, which_pat, SEARCH_HIS, ®match) == FAIL) { if (do_error) EMSG(_(e_invcmd)); return; } /* the 'i' or 'I' flag overrules 'ignorecase' and 'smartcase' */ if (do_ic == 'i') regmatch.rmm_ic = TRUE; else if (do_ic == 'I') regmatch.rmm_ic = FALSE; sub_firstline = NULL; /* * ~ in the substitute pattern is replaced with the old pattern. * We do it here once to avoid it to be replaced over and over again. * But don't do it when it starts with "\=", then it's an expression. */ if (!(sub[0] == '\\' && sub[1] == '=')) sub = regtilde(sub, p_magic); /* * Check for a match on each line. */ line2 = eap->line2; for (lnum = eap->line1; lnum <= line2 && !(got_quit #if defined(FEAT_EVAL) && defined(FEAT_AUTOCMD) || aborting() #endif ); ++lnum) { sub_firstlnum = lnum; nmatch = vim_regexec_multi(®match, curwin, curbuf, lnum, (colnr_T)0); if (nmatch) { colnr_T copycol; colnr_T matchcol; colnr_T prev_matchcol = MAXCOL; char_u *new_end, *new_start = NULL; unsigned new_start_len = 0; char_u *p1; int did_sub = FALSE; int lastone; unsigned len, needed_len; long nmatch_tl = 0; /* nr of lines matched below lnum */ int do_again; /* do it again after joining lines */ int skip_match = FALSE; /* * The new text is build up step by step, to avoid too much * copying. There are these pieces: * sub_firstline The old text, unmodifed. * copycol Column in the old text where we started * looking for a match; from here old text still * needs to be copied to the new text. * matchcol Column number of the old text where to look * for the next match. It's just after the * previous match or one further. * prev_matchcol Column just after the previous match (if any). * Mostly equal to matchcol, except for the first * match and after skipping an empty match. * regmatch.*pos Where the pattern matched in the old text. * new_start The new text, all that has been produced so * far. * new_end The new text, where to append new text. * * lnum The line number where we were looking for the * first match in the old line. * sub_firstlnum The line number in the buffer where to look * for a match. Can be different from "lnum" * when the pattern or substitute string contains * line breaks. * * Special situations: * - When the substitute string contains a line break, the part up * to the line break is inserted in the text, but the copy of * the original line is kept. "sub_firstlnum" is adjusted for * the inserted lines. * - When the matched pattern contains a line break, the old line * is taken from the line at the end of the pattern. The lines * in the match are deleted later, "sub_firstlnum" is adjusted * accordingly. * * The new text is built up in new_start[]. It has some extra * room to avoid using alloc()/free() too often. new_start_len is * the lenght of the allocated memory at new_start. * * Make a copy of the old line, so it won't be taken away when * updating the screen or handling a multi-line match. The "old_" * pointers point into this copy. */ sub_firstline = vim_strsave(ml_get(sub_firstlnum)); if (sub_firstline == NULL) { vim_free(new_start); goto outofmem; } copycol = 0; matchcol = 0; /* At first match, remember current cursor position. */ if (!got_match) { setpcmark(); got_match = TRUE; } /* * Loop until nothing more to replace in this line. * 1. Handle match with empty string. * 2. If do_ask is set, ask for confirmation. * 3. substitute the string. * 4. if do_all is set, find next match * 5. break if there isn't another match in this line */ for (;;) { /* Save the line number of the last change for the final * cursor position (just like Vi). */ curwin->w_cursor.lnum = lnum; do_again = FALSE; /* * 1. Match empty string does not count, except for first * match. This reproduces the strange vi behaviour. * This also catches endless loops. */ if (matchcol == prev_matchcol && regmatch.endpos[0].lnum == 0 && matchcol == regmatch.endpos[0].col) { if (sub_firstline[matchcol] == NUL) /* We already were at the end of the line. Don't look * for a match in this line again. */ skip_match = TRUE; else ++matchcol; /* search for a match at next column */ goto skip; } /* Normally we continue searching for a match just after the * previous match. */ matchcol = regmatch.endpos[0].col; prev_matchcol = matchcol; /* * 2. If do_ask is set, ask for confirmation. */ if (do_ask) { /* change State to CONFIRM, so that the mouse works * properly */ save_State = State; State = CONFIRM; #ifdef FEAT_MOUSE setmouse(); /* disable mouse in xterm */ #endif curwin->w_cursor.col = regmatch.startpos[0].col; /* When 'cpoptions' contains "u" don't sync undo when * asking for confirmation. */ if (vim_strchr(p_cpo, CPO_UNDO) != NULL) ++no_u_sync; /* * Loop until 'y', 'n', 'q', CTRL-E or CTRL-Y typed. */ while (do_ask) { #ifdef FEAT_FOLDING int save_p_fen = curwin->w_p_fen; curwin->w_p_fen = FALSE; #endif /* Invert the matched string. * Remove the inversion afterwards. */ temp = RedrawingDisabled; RedrawingDisabled = 0; search_match_lines = regmatch.endpos[0].lnum; search_match_endcol = regmatch.endpos[0].col; highlight_match = TRUE; update_topline(); validate_cursor(); update_screen(NOT_VALID); highlight_match = FALSE; redraw_later(NOT_VALID); #ifdef FEAT_FOLDING curwin->w_p_fen = save_p_fen; #endif if (msg_row == Rows - 1) msg_didout = FALSE; /* avoid a scroll-up */ msg_starthere(); i = msg_scroll; msg_scroll = 0; /* truncate msg when needed */ msg_no_more = TRUE; /* write message same highlighting as for wait_return */ smsg_attr(hl_attr(HLF_R), (char_u *)_("replace with %s (y/n/a/q/l/^E/^Y)?"), sub); msg_no_more = FALSE; msg_scroll = i; showruler(TRUE); windgoto(msg_row, msg_col); RedrawingDisabled = temp; #ifdef USE_ON_FLY_SCROLL dont_scroll = FALSE; /* allow scrolling here */ #endif ++no_mapping; /* don't map this key */ ++allow_keys; /* allow special keys */ i = safe_vgetc(); --allow_keys; --no_mapping; /* clear the question */ msg_didout = FALSE; /* don't scroll up */ msg_col = 0; gotocmdline(TRUE); need_wait_return = FALSE; /* no hit-return prompt */ if (i == 'q' || i == ESC || i == Ctrl_C #ifdef UNIX || i == intr_char #endif ) { got_quit = TRUE; break; } if (i == 'n') break; if (i == 'y') break; if (i == 'l') { /* last: replace and then stop */ do_all = FALSE; line2 = lnum; break; } if (i == 'a') { do_ask = FALSE; break; } #ifdef FEAT_INS_EXPAND if (i == Ctrl_E) scrollup_clamp(); else if (i == Ctrl_Y) scrolldown_clamp(); #endif } State = save_State; #ifdef FEAT_MOUSE setmouse(); #endif if (vim_strchr(p_cpo, CPO_UNDO) != NULL) --no_u_sync; if (i == 'n') { /* For a multi-line match, put matchcol at the NUL at * the end of the line and set nmatch to one, so that * we continue looking for a match on the next line. * Avoids that ":s/\nB\@=//gc" get stuck. */ if (nmatch > 1) { matchcol = STRLEN(sub_firstline); nmatch = 1; } goto skip; } if (got_quit) break; } /* Move the cursor to the start of the match, so that we can * use "\=col("."). */ curwin->w_cursor.col = regmatch.startpos[0].col; /* * 3. substitute the string. */ /* get length of substitution part */ sublen = vim_regsub_multi(®match, sub_firstlnum, sub, sub_firstline, FALSE, p_magic, TRUE); /* Need room for: * - result so far in new_start (not for first sub in line) * - original text up to match * - length of substituted part * - original text after match */ if (nmatch == 1) p1 = sub_firstline; else { p1 = ml_get(sub_firstlnum + nmatch - 1); nmatch_tl += nmatch - 1; } i = regmatch.startpos[0].col - copycol; needed_len = i + ((unsigned)STRLEN(p1) - regmatch.endpos[0].col) + sublen + 1; if (new_start == NULL) { /* * Get some space for a temporary buffer to do the * substitution into (and some extra space to avoid * too many calls to alloc()/free()). */ new_start_len = needed_len + 50; if ((new_start = alloc_check(new_start_len)) == NULL) goto outofmem; *new_start = NUL; new_end = new_start; } else { /* * Check if the temporary buffer is long enough to do the * substitution into. If not, make it larger (with a bit * extra to avoid too many calls to alloc()/free()). */ len = (unsigned)STRLEN(new_start); needed_len += len; if (needed_len > new_start_len) { new_start_len = needed_len + 50; if ((p1 = alloc_check(new_start_len)) == NULL) { vim_free(new_start); goto outofmem; } mch_memmove(p1, new_start, (size_t)(len + 1)); vim_free(new_start); new_start = p1; } new_end = new_start + len; } /* * copy the text up to the part that matched */ mch_memmove(new_end, sub_firstline + copycol, (size_t)i); new_end += i; (void)vim_regsub_multi(®match, sub_firstlnum, sub, new_end, TRUE, p_magic, TRUE); sub_nsubs++; did_sub = TRUE; /* Move the cursor to the start of the line, to avoid that it * is beyond the end of the line after the substitution. */ curwin->w_cursor.col = 0; /* For a multi-line match, make a copy of the last matched * line and continue in that one. */ if (nmatch > 1) { sub_firstlnum += nmatch - 1; vim_free(sub_firstline); sub_firstline = vim_strsave(ml_get(sub_firstlnum)); /* When going beyond the last line, stop substituting. */ if (sub_firstlnum <= line2) do_again = TRUE; else do_all = FALSE; } /* Remember next character to be copied. */ copycol = regmatch.endpos[0].col; /* * Now the trick is to replace CTRL-M chars with a real line * break. This would make it impossible to insert a CTRL-M in * the text. The line break can be avoided by preceding the * CTRL-M with a backslash. To be able to insert a backslash, * they must be doubled in the string and are halved here. * That is Vi compatible. */ for (p1 = new_end; *p1; ++p1) { if (p1[0] == '\\' && p1[1] != NUL) /* remove backslash */ mch_memmove(p1, p1 + 1, STRLEN(p1)); else if (*p1 == CAR) { if (u_inssub(lnum) == OK) /* prepare for undo */ { *p1 = NUL; /* truncate up to the CR */ ml_append(lnum - 1, new_start, (colnr_T)(p1 - new_start + 1), FALSE); mark_adjust(lnum + 1, (linenr_T)MAXLNUM, 1L, 0L); if (do_ask) appended_lines(lnum - 1, 1L); else { if (first_line == 0) first_line = lnum; last_line = lnum + 1; } /* All line numbers increase. */ ++sub_firstlnum; ++lnum; ++line2; /* move the cursor to the new line, like Vi */ ++curwin->w_cursor.lnum; STRCPY(new_start, p1 + 1); /* copy the rest */ p1 = new_start - 1; } } #ifdef FEAT_MBYTE else if (has_mbyte) p1 += (*mb_ptr2len_check)(p1) - 1; #endif } /* * 4. If do_all is set, find next match. * Prevent endless loop with patterns that match empty * strings, e.g. :s/$/pat/g or :s/[a-z]* /(&)/g. * But ":s/\n/#/" is OK. */ skip: /* We already know that we did the last subst when we are at * the end of the line, except that a pattern like * "bar\|\nfoo" may match at the NUL. */ lastone = (skip_match || got_int || got_quit || !(do_all || do_again) || (sub_firstline[matchcol] == NUL && nmatch <= 1 && !re_multiline(regmatch.regprog))); nmatch = -1; /* * Replace the line in the buffer when needed. This is * skipped when there are more matches. * The check for nmatch_tl is needed for when multi-line * matching must replace the lines before trying to do another * match, otherwise "\@<=" won't work. * When asking the user we like to show the already replaced * text, but don't do it when "\<@=" or "\<@!" is used, it * changes what matches. */ if (lastone || (do_ask && !re_lookbehind(regmatch.regprog)) || nmatch_tl > 0 || (nmatch = vim_regexec_multi(®match, curwin, curbuf, sub_firstlnum, matchcol)) == 0) { if (new_start != NULL) { /* * Copy the rest of the line, that didn't match. * "matchcol" has to be adjusted, we use the end of * the line as reference, because the substitute may * have changed the number of characters. Same for * "prev_matchcol". */ STRCAT(new_start, sub_firstline + copycol); matchcol = (colnr_T)STRLEN(sub_firstline) - matchcol; prev_matchcol = (colnr_T)STRLEN(sub_firstline) - prev_matchcol; if (u_savesub(lnum) != OK) break; ml_replace(lnum, new_start, TRUE); if (nmatch_tl > 0) { /* * Matched lines have now been substituted and are * useless, delete them. The part after the match * has been appended to new_start, we don't need * it in the buffer. */ ++lnum; if (u_savedel(lnum, nmatch_tl) != OK) break; for (i = 0; i < nmatch_tl; ++i) ml_delete(lnum, (int)FALSE); mark_adjust(lnum, lnum + nmatch_tl - 1, (long)MAXLNUM, -nmatch_tl); if (do_ask) deleted_lines(lnum, nmatch_tl); --lnum; line2 -= nmatch_tl; /* nr of lines decreases */ nmatch_tl = 0; } /* When asking, undo is saved each time, must also set * changed flag each time. */ if (do_ask) changed_bytes(lnum, 0); else { if (first_line == 0) first_line = lnum; last_line = lnum + 1; } sub_firstlnum = lnum; vim_free(sub_firstline); /* free the temp buffer */ sub_firstline = new_start; new_start = NULL; matchcol = (colnr_T)STRLEN(sub_firstline) - matchcol; prev_matchcol = (colnr_T)STRLEN(sub_firstline) - prev_matchcol; copycol = 0; } if (nmatch == -1 && !lastone) nmatch = vim_regexec_multi(®match, curwin, curbuf, sub_firstlnum, matchcol); /* * 5. break if there isn't another match in this line */ if (nmatch <= 0) break; } line_breakcheck(); } if (did_sub) ++sub_nlines; vim_free(sub_firstline); /* free the copy of the original line */ sub_firstline = NULL; } line_breakcheck(); } if (first_line != 0) { /* Need to subtract the number of added lines from "last_line" to get * the line number before the change (same as adding the number of * deleted lines). */ i = curbuf->b_ml.ml_line_count - old_line_count; changed_lines(first_line, 0, last_line - i, i); } outofmem: vim_free(sub_firstline); /* may have to free allocated copy of the line */ if (sub_nsubs) { /* Set the '[ and '] marks. */ curbuf->b_op_start.lnum = eap->line1; curbuf->b_op_end.lnum = line2; curbuf->b_op_start.col = curbuf->b_op_end.col = 0; if (!global_busy) { beginline(BL_WHITE | BL_FIX); if (!do_sub_msg() && do_ask) MSG(""); } else global_need_beginline = TRUE; if (do_print) print_line(curwin->w_cursor.lnum, FALSE); } else if (!global_busy) { if (got_int) /* interrupted */ EMSG(_(e_interr)); else if (got_match) /* did find something but nothing substituted */ MSG(""); else if (do_error) /* nothing found */ EMSG2(_(e_patnotf2), get_search_pat()); } vim_free(regmatch.regprog); } /* * Give message for number of substitutions. * Can also be used after a ":global" command. * Return TRUE if a message was given. */ static int do_sub_msg() { /* * Only report substitutions when: * - more than 'report' substitutions * - command was typed by user, or number of changed lines > 'report' * - giving messages is not disabled by 'lazyredraw' */ if (sub_nsubs > p_report && (KeyTyped || sub_nlines > 1 || p_report < 1) && messaging()) { if (got_int) STRCPY(msg_buf, _("(Interrupted) ")); else msg_buf[0] = NUL; if (sub_nsubs == 1) STRCAT(msg_buf, _("1 substitution")); else sprintf((char *)msg_buf + STRLEN(msg_buf), _("%ld substitutions"), sub_nsubs); if (sub_nlines == 1) STRCAT(msg_buf, _(" on 1 line")); else sprintf((char *)msg_buf + STRLEN(msg_buf), _(" on %ld lines"), (long)sub_nlines); if (msg(msg_buf)) { /* save message to display it after redraw */ set_keep_msg(msg_buf); keep_msg_attr = 0; } return TRUE; } if (got_int) { EMSG(_(e_interr)); return TRUE; } return FALSE; } /* * Execute a global command of the form: * * g/pattern/X : execute X on all lines where pattern matches * v/pattern/X : execute X on all lines where pattern does not match * * where 'X' is an EX command * * The command character (as well as the trailing slash) is optional, and * is assumed to be 'p' if missing. * * This is implemented in two passes: first we scan the file for the pattern and * set a mark for each line that (not) matches. secondly we execute the command * for each line that has a mark. This is required because after deleting * lines we do not know where to search for the next match. */ void ex_global(eap) exarg_T *eap; { linenr_T lnum; /* line number according to old situation */ int ndone; int type; /* first char of cmd: 'v' or 'g' */ char_u *cmd; /* command argument */ char_u delim; /* delimiter, normally '/' */ char_u *pat; regmmatch_T regmatch; int match; int which_pat; if (global_busy) { EMSG(_("E147: Cannot do :global recursive")); /* will increment global_busy */ return; } if (eap->forceit) /* ":global!" is like ":vglobal" */ type = 'v'; else type = *eap->cmd; cmd = eap->arg; which_pat = RE_LAST; /* default: use last used regexp */ sub_nsubs = 0; sub_nlines = 0; /* * undocumented vi feature: * "\/" and "\?": use previous search pattern. * "\&": use previous substitute pattern. */ if (*cmd == '\\') { ++cmd; if (vim_strchr((char_u *)"/?&", *cmd) == NULL) { EMSG(_(e_backslash)); return; } if (*cmd == '&') which_pat = RE_SUBST; /* use previous substitute pattern */ else which_pat = RE_SEARCH; /* use previous search pattern */ ++cmd; pat = (char_u *)""; } else if (*cmd == NUL) { EMSG(_("E148: Regular expression missing from global")); return; } else { delim = *cmd; /* get the delimiter */ if (delim) ++cmd; /* skip delimiter if there is one */ pat = cmd; /* remember start of pattern */ cmd = skip_regexp(cmd, delim, p_magic, &eap->arg); if (cmd[0] == delim) /* end delimiter found */ *cmd++ = NUL; /* replace it with a NUL */ } #ifdef FEAT_FKMAP /* when in Farsi mode, reverse the character flow */ if (p_altkeymap && curwin->w_p_rl) lrFswap(pat,0); #endif if (search_regcomp(pat, RE_BOTH, which_pat, SEARCH_HIS, ®match) == FAIL) { EMSG(_(e_invcmd)); return; } /* * pass 1: set marks for each (not) matching line */ ndone = 0; for (lnum = eap->line1; lnum <= eap->line2 && !got_int; ++lnum) { /* a match on this line? */ match = vim_regexec_multi(®match, curwin, curbuf, lnum, (colnr_T)0); if ((type == 'g' && match) || (type == 'v' && !match)) { ml_setmarked(lnum); ndone++; } line_breakcheck(); } /* * pass 2: execute the command for each line that has been marked */ if (got_int) MSG(_(e_interr)); else if (ndone == 0) { if (type == 'v') msg_str((char_u *)_("Pattern found in every line: %s"), pat); else msg_str((char_u *)_(e_patnotf2), pat); } else global_exe(cmd); ml_clearmarked(); /* clear rest of the marks */ vim_free(regmatch.regprog); } /* * Execute "cmd" on lines marked with ml_setmarked(). */ void global_exe(cmd) char_u *cmd; { linenr_T old_lcount; /* b_ml.ml_line_count before the command */ linenr_T lnum; /* line number according to old situation */ /* * Set current position only once for a global command. * If global_busy is set, setpcmark() will not do anything. * If there is an error, global_busy will be incremented. */ setpcmark(); /* When the command writes a message, don't overwrite the command. */ msg_didout = TRUE; global_need_beginline = FALSE; global_busy = 1; old_lcount = curbuf->b_ml.ml_line_count; while (!got_int && (lnum = ml_firstmarked()) != 0 && global_busy == 1) { curwin->w_cursor.lnum = lnum; curwin->w_cursor.col = 0; if (*cmd == NUL || *cmd == '\n') do_cmdline((char_u *)"p", NULL, NULL, DOCMD_NOWAIT); else do_cmdline(cmd, NULL, NULL, DOCMD_NOWAIT); ui_breakcheck(); } global_busy = 0; if (global_need_beginline) beginline(BL_WHITE | BL_FIX); else check_cursor(); /* cursor may be beyond the end of the line */ /* the cursor may not have moved in the text but a change in a previous * line may move it on the screen */ changed_line_abv_curs(); /* If it looks like no message was written, allow overwriting the * command with the report for number of changes. */ if (msg_col == 0 && msg_scrolled == 0) msg_didout = FALSE; /* If subsitutes done, report number of substitues, otherwise report * number of extra or deleted lines. */ if (!do_sub_msg()) msgmore(curbuf->b_ml.ml_line_count - old_lcount); } #ifdef FEAT_VIMINFO int read_viminfo_sub_string(virp, force) vir_T *virp; int force; { if (old_sub != NULL && force) vim_free(old_sub); if (force || old_sub == NULL) old_sub = viminfo_readstring(virp, 1, TRUE); return viminfo_readline(virp); } void write_viminfo_sub_string(fp) FILE *fp; { if (get_viminfo_parameter('/') != 0 && old_sub != NULL) { fprintf(fp, _("\n# Last Substitute String:\n$")); viminfo_writestring(fp, old_sub); } } #endif /* FEAT_VIMINFO */ #if (defined(FEAT_WINDOWS) && defined(FEAT_QUICKFIX)) || defined(PROTO) /* * Set up for a tagpreview. */ void prepare_tagpreview() { win_T *wp; # ifdef FEAT_GUI need_mouse_correct = TRUE; # endif /* * If there is already a preview window open, use that one. */ if (!curwin->w_p_pvw) { for (wp = firstwin; wp != NULL; wp = wp->w_next) if (wp->w_p_pvw) break; if (wp != NULL) win_enter(wp, TRUE); else { /* * There is no preview window open yet. Create one. */ if (win_split(g_do_tagpreview > 0 ? g_do_tagpreview : 0, 0) == FAIL) return; curwin->w_p_pvw = TRUE; curwin->w_p_wfh = TRUE; # ifdef FEAT_SCROLLBIND curwin->w_p_scb = FALSE; /* don't take over 'scrollbind' */ # endif # ifdef FEAT_DIFF curwin->w_p_diff = FALSE; /* no 'diff' */ # endif # ifdef FEAT_FOLDING curwin->w_p_fdc = 0; /* no 'foldcolumn' */ # endif } } } #endif /* * ":help": open a read-only window on a help file */ void ex_help(eap) exarg_T *eap; { char_u *arg; char_u *tag; FILE *helpfd; /* file descriptor of help file */ int n; int i; #ifdef FEAT_WINDOWS win_T *wp; #endif int num_matches; char_u **matches; char_u *p; int empty_fnum = 0; int alt_fnum = 0; buf_T *buf; #ifdef FEAT_MULTI_LANG int len; char_u *lang; #endif if (eap != NULL) { /* * A ":help" command ends at the first LF, or at a '|' that is * followed by some text. Set nextcmd to the following command. */ for (arg = eap->arg; *arg; ++arg) { if (*arg == '\n' || *arg == '\r' || (*arg == '|' && arg[1] != NUL && arg[1] != '|')) { *arg++ = NUL; eap->nextcmd = arg; break; } } arg = eap->arg; if (eap->forceit && *arg == NUL) { EMSG(_("E478: Don't panic!")); return; } if (eap->skip) /* not executing commands */ return; } else arg = (char_u *)""; /* remove trailing blanks */ p = arg + STRLEN(arg) - 1; while (p > arg && vim_iswhite(*p) && p[-1] != '\\') *p-- = NUL; #ifdef FEAT_MULTI_LANG /* Check for a specified language */ lang = check_help_lang(arg); #endif /* When no argument given go to the index. */ if (*arg == NUL) arg = (char_u *)"help.txt"; /* * Check if there is a match for the argument. */ n = find_help_tags(arg, &num_matches, &matches, eap != NULL && eap->forceit); i = 0; #ifdef FEAT_MULTI_LANG if (n != FAIL && lang != NULL) /* Find first item with the requested language. */ for (i = 0; i < num_matches; ++i) { len = STRLEN(matches[i]); if (len > 3 && matches[i][len - 3] == '@' && STRICMP(matches[i] + len - 2, lang) == 0) break; } #endif if (i >= num_matches || n == FAIL) { #ifdef FEAT_MULTI_LANG if (lang != NULL) EMSG3(_("E661: Sorry, no '%s' help for %s"), lang, arg); else #endif EMSG2(_("E149: Sorry, no help for %s"), arg); if (n != FAIL) FreeWild(num_matches, matches); return; } /* The first match (in the requested language) is the best match. */ tag = vim_strsave(matches[i]); FreeWild(num_matches, matches); #ifdef FEAT_GUI need_mouse_correct = TRUE; #endif /* * Re-use an existing help window or open a new one. */ if (!curwin->w_buffer->b_help) { #ifdef FEAT_WINDOWS for (wp = firstwin; wp != NULL; wp = wp->w_next) if (wp->w_buffer != NULL && wp->w_buffer->b_help) break; if (wp != NULL && wp->w_buffer->b_nwindows > 0) win_enter(wp, TRUE); else #endif { /* * There is no help window yet. * Try to open the file specified by the "helpfile" option. */ if ((helpfd = mch_fopen((char *)p_hf, READBIN)) == NULL) { msg_str((char_u *)_("Sorry, help file \"%s\" not found"), p_hf); goto erret; } fclose(helpfd); #ifdef FEAT_WINDOWS /* Split off help window; put it at far top if no position * specified, the current window is vertically split and narrow. */ n = WSP_HELP; # ifdef FEAT_VERTSPLIT if (cmdmod.split == 0 && curwin->w_width != Columns && curwin->w_width < 80) n |= WSP_TOP; # endif if (win_split(0, n) == FAIL) #else /* use current window */ if (!can_abandon(curbuf, FALSE)) #endif goto erret; #ifdef FEAT_WINDOWS if (curwin->w_height < p_hh) win_setheight((int)p_hh); #endif /* * Open help file (do_ecmd() will set b_help flag, readfile() will * set b_p_ro flag). * Set the alternate file to the previously edited file. */ alt_fnum = curbuf->b_fnum; (void)do_ecmd(0, NULL, NULL, NULL, ECMD_LASTL, ECMD_HIDE + ECMD_SET_HELP); if (!cmdmod.keepalt) curwin->w_alt_fnum = alt_fnum; empty_fnum = curbuf->b_fnum; } } if (!p_im) restart_edit = 0; /* don't want insert mode in help file */ if (tag != NULL) do_tag(tag, DT_HELP, 1, FALSE, TRUE); /* Delete the empty buffer if we're not using it. */ if (empty_fnum != 0 && curbuf->b_fnum != empty_fnum) { buf = buflist_findnr(empty_fnum); if (buf != NULL) wipe_buffer(buf, TRUE); } /* keep the previous alternate file */ if (alt_fnum != 0 && curwin->w_alt_fnum == empty_fnum && !cmdmod.keepalt) curwin->w_alt_fnum = alt_fnum; erret: vim_free(tag); } #if defined(FEAT_MULTI_LANG) || defined(PROTO) /* * In an argument search for a language specifiers in the form "@xx". * Changes the "@" to NUL if found, and returns a pointer to "xx". * Returns NULL if not found. */ char_u * check_help_lang(arg) char_u *arg; { int len = STRLEN(arg); if (len >= 3 && arg[len - 3] == '@' && ASCII_ISALPHA(arg[len - 2]) && ASCII_ISALPHA(arg[len - 1])) { arg[len - 3] = NUL; /* remove the '@' */ return arg + len - 2; } return NULL; } #endif /* * Return a heuristic indicating how well the given string matches. The * smaller the number, the better the match. This is the order of priorities, * from best match to worst match: * - Match with least alpha-numeric characters is better. * - Match with least total characters is better. * - Match towards the start is better. * - Match starting with "+" is worse (feature instead of command) * Assumption is made that the matched_string passed has already been found to * match some string for which help is requested. webb. */ int help_heuristic(matched_string, offset, wrong_case) char_u *matched_string; int offset; /* offset for match */ int wrong_case; /* no matching case */ { int num_letters; char_u *p; num_letters = 0; for (p = matched_string; *p; p++) if (ASCII_ISALNUM(*p)) num_letters++; /* * Multiply the number of letters by 100 to give it a much bigger * weighting than the number of characters. * If there only is a match while ignoring case, add 5000. * If the match starts in the middle of a word, add 10000 to put it * somewhere in the last half. * If the match is more than 2 chars from the start, multiply by 200 to * put it after matches at the start. */ if (ASCII_ISALNUM(matched_string[offset]) && offset > 0 && ASCII_ISALNUM(matched_string[offset - 1])) offset += 10000; else if (offset > 2) offset *= 200; if (wrong_case) offset += 5000; /* Features are less interesting than the subjects themselves, but "+" * alone is not a feature. */ if (matched_string[0] == '+' && matched_string[1] != NUL) offset += 100; return (int)(100 * num_letters + STRLEN(matched_string) + offset); } /* * Compare functions for qsort() below, that checks the help heuristics number * that has been put after the tagname by find_tags(). */ static int #ifdef __BORLANDC__ _RTLENTRYF #endif help_compare(s1, s2) const void *s1; const void *s2; { char *p1; char *p2; p1 = *(char **)s1 + strlen(*(char **)s1) + 1; p2 = *(char **)s2 + strlen(*(char **)s2) + 1; return strcmp(p1, p2); } /* * Find all help tags matching "arg", sort them and return in matches[], with * the number of matches in num_matches. * The matches will be sorted with a "best" match algorithm. * When "keep_lang" is TRUE try keeping the language of the current buffer. */ int find_help_tags(arg, num_matches, matches, keep_lang) char_u *arg; int *num_matches; char_u ***matches; int keep_lang; { char_u *s, *d; int i; static char *(mtable[]) = {"*", "g*", "[*", "]*", ":*", "/*", "/\\*", "\"*", "/\\(\\)", "?", ":?", "?<CR>", "g?", "g?g?", "g??", "/\\?", "/\\z(\\)", "[count]", "[quotex]", "[range]", "[pattern]", "\\|", "\\%$"}; static char *(rtable[]) = {"star", "gstar", "[star", "]star", ":star", "/star", "/\\\\star", "quotestar", "/\\\\(\\\\)", "?", ":?", "?<CR>", "g?", "g?g?", "g??", "/\\\\?", "/\\\\z(\\\\)", "\\[count]", "\\[quotex]", "\\[range]", "\\[pattern]", "\\\\bar", "/\\\\%\\$"}; int flags; d = IObuff; /* assume IObuff is long enough! */ /* * Recognize a few exceptions to the rule. Some strings that contain '*' * with "star". Otherwise '*' is recognized as a wildcard. */ for (i = sizeof(mtable) / sizeof(char *); --i >= 0; ) if (STRCMP(arg, mtable[i]) == 0) { STRCPY(d, rtable[i]); break; } if (i < 0) /* no match in table */ { /* Replace "\S" with "/\\S", etc. Otherwise every tag is matched. * Also replace "\%^" and "\%(", they match every tag too. * Also "\zs", "\z1", etc. * Also "\@<", "\@=", "\@<=", etc. * And also "\_$" and "\_^". */ if (arg[0] == '\\' && ((arg[1] != NUL && arg[2] == NUL) || (vim_strchr((char_u *)"%_z@", arg[1]) != NULL && arg[2] != NUL))) { STRCPY(d, "/\\\\"); STRCPY(d + 3, arg + 1); /* Check for "/\\_$", should be "/\\_\$" */ if (d[3] == '_' && d[4] == '$') STRCPY(d + 4, "\\$"); } else { /* replace "[:...:]" with "\[:...:]"; "[+...]" with "\[++...]" */ if (arg[0] == '[' && (arg[1] == ':' || (arg[1] == '+' && arg[2] == '+'))) *d++ = '\\'; for (s = arg; *s; ++s) { /* * Replace "|" with "bar" and '"' with "quote" to match the name of * the tags for these commands. * Replace "*" with ".*" and "?" with "." to match command line * completion. * Insert a backslash before '~', '$' and '.' to avoid their * special meaning. */ if (d - IObuff > IOSIZE - 10) /* getting too long!? */ break; switch (*s) { case '|': STRCPY(d, "bar"); d += 3; continue; case '"': STRCPY(d, "quote"); d += 5; continue; case '*': *d++ = '.'; break; case '?': *d++ = '.'; continue; case '$': case '.': case '~': *d++ = '\\'; break; } /* * Replace "^x" by "CTRL-X". Don't do this for "^_" to make * ":help i_^_CTRL-D" work. * Insert '-' before and after "CTRL-X" when applicable. */ if (*s < ' ' || (*s == '^' && s[1] && (ASCII_ISALPHA(s[1]) || vim_strchr((char_u *)"?@[\\]^", s[1]) != NULL))) { if (d > IObuff && d[-1] != '_') *d++ = '_'; /* prepend a '_' */ STRCPY(d, "CTRL-"); d += 5; if (*s < ' ') { #ifdef EBCDIC *d++ = CtrlChar(*s); #else *d++ = *s + '@'; #endif if (d[-1] == '\\') *d++ = '\\'; /* double a backslash */ } else *d++ = *++s; if (s[1] != NUL && s[1] != '_') *d++ = '_'; /* append a '_' */ continue; } else if (*s == '^') /* "^" or "CTRL-^" or "^_" */ *d++ = '\\'; /* * Insert a backslash before a backslash after a slash, for search * pattern tags: "/\|" --> "/\\|". */ else if (s[0] == '\\' && s[1] != '\\' && *arg == '/' && s == arg + 1) *d++ = '\\'; /* "CTRL-\_" -> "CTRL-\\_" to avoid the special meaning of "\_" in * "CTRL-\_CTRL-N" */ if (STRNICMP(s, "CTRL-\\_", 7) == 0) { STRCPY(d, "CTRL-\\\\"); d += 7; s += 6; } *d++ = *s; /* * If tag starts with ', toss everything after a second '. Fixes * CTRL-] on 'option'. (would include the trailing '.'). */ if (*s == '\'' && s > arg && *arg == '\'') break; } *d = NUL; } } *matches = (char_u **)""; *num_matches = 0; flags = TAG_HELP | TAG_REGEXP | TAG_NAMES | TAG_VERBOSE; if (keep_lang) flags |= TAG_KEEP_LANG; if (find_tags(IObuff, num_matches, matches, flags, (int)MAXCOL, NULL) == OK && *num_matches > 0) /* Sort the matches found on the heuristic number that is after the * tag name. */ qsort((void *)*matches, (size_t)*num_matches, sizeof(char_u *), help_compare); return OK; } /* * After reading a help file: May cleanup a help buffer when syntax * highlighting is not used. */ void fix_help_buffer() { linenr_T lnum; char_u *line; int in_example = FALSE; int len; char_u *p; char_u *rt; int mustfree; /* set filetype to "help". */ set_option_value((char_u *)"ft", 0L, (char_u *)"help", OPT_LOCAL); #ifdef FEAT_SYN_HL if (!syntax_present(curbuf)) #endif { for (lnum = 1; lnum <= curbuf->b_ml.ml_line_count; ++lnum) { line = ml_get_buf(curbuf, lnum, FALSE); len = (int)STRLEN(line); if (in_example && len > 0 && !vim_iswhite(line[0])) { /* End of example: non-white or '<' in first column. */ if (line[0] == '<') { /* blank-out a '<' in the first column */ line = ml_get_buf(curbuf, lnum, TRUE); line[0] = ' '; } in_example = FALSE; } if (!in_example && len > 0) { if (line[len - 1] == '>' && (len == 1 || line[len - 2] == ' ')) { /* blank-out a '>' in the last column (start of example) */ line = ml_get_buf(curbuf, lnum, TRUE); line[len - 1] = ' '; in_example = TRUE; } else if (line[len - 1] == '~') { /* blank-out a '~' at the end of line (header marker) */ line = ml_get_buf(curbuf, lnum, TRUE); line[len - 1] = ' '; } } } } /* * In the "help.txt" file, add the locally added help files. * This uses the very first line in the help file. */ if (fnamecmp(gettail(curbuf->b_fname), "help.txt") == 0) { for (lnum = 1; lnum < curbuf->b_ml.ml_line_count; ++lnum) { line = ml_get_buf(curbuf, lnum, FALSE); if (strstr((char *)line, "*local-additions*") != NULL) { /* Go through all directories in 'runtimepath', skipping * $VIMRUNTIME. */ p = p_rtp; while (*p != NUL) { copy_option_part(&p, NameBuff, MAXPATHL, ","); mustfree = FALSE; rt = vim_getenv((char_u *)"VIMRUNTIME", &mustfree); if (fullpathcmp(rt, NameBuff, FALSE) != FPC_SAME) { int fcount; char_u **fnames; FILE *fd; char_u *s; int fi; #ifdef FEAT_MBYTE vimconv_T vc; char_u *cp; #endif /* Find all "doc/ *.txt" files in this directory. */ add_pathsep(NameBuff); STRCAT(NameBuff, "doc/*.txt"); if (gen_expand_wildcards(1, &NameBuff, &fcount, &fnames, EW_FILE|EW_SILENT) == OK && fcount > 0) { for (fi = 0; fi < fcount; ++fi) { fd = fopen((char *)fnames[fi], "r"); if (fd != NULL) { vim_fgets(IObuff, IOSIZE, fd); if (IObuff[0] == '*' && (s = vim_strchr(IObuff + 1, '*')) != NULL) { #ifdef FEAT_MBYTE int this_utf = MAYBE; #endif /* Change tag definition to a * reference and remove <CR>/<NL>. */ IObuff[0] = '|'; *s = '|'; while (*s != NUL) { if (*s == '\r' || *s == '\n') *s = NUL; #ifdef FEAT_MBYTE /* The text is utf-8 when a byte * above 127 is found and no * illegal byte sequence is found. */ if (*s >= 0x80 && this_utf != FALSE) { int l; this_utf = TRUE; l = utf_ptr2len_check(s); if (l == 1) this_utf = FALSE; s += l - 1; } #endif ++s; } #ifdef FEAT_MBYTE /* The help file is latin1 or utf-8; * conversion to the current * 'encoding' may be required. */ vc.vc_type = CONV_NONE; convert_setup(&vc, (char_u *)( this_utf == TRUE ? "utf-8" : "latin1"), p_enc); if (vc.vc_type == CONV_NONE) /* No conversion needed. */ cp = IObuff; else { /* Do the conversion. If it fails * use the unconverted text. */ cp = string_convert(&vc, IObuff, NULL); if (cp == NULL) cp = IObuff; } convert_setup(&vc, NULL, NULL); ml_append(lnum, cp, (colnr_T)0, FALSE); if (cp != IObuff) vim_free(cp); #else ml_append(lnum, IObuff, (colnr_T)0, FALSE); #endif ++lnum; } fclose(fd); } } FreeWild(fcount, fnames); } } if (mustfree) vim_free(rt); } break; } } } } /* * ":exusage" */ /*ARGSUSED*/ void ex_exusage(eap) exarg_T *eap; { do_cmdline_cmd((char_u *)"help ex-cmd-index"); } /* * ":viusage" */ /*ARGSUSED*/ void ex_viusage(eap) exarg_T *eap; { do_cmdline_cmd((char_u *)"help normal-index"); } #if defined(FEAT_EX_EXTRA) || defined(PROTO) static void helptags_one __ARGS((char_u *dir, char_u *ext, char_u *lang)); /* * ":helptags" */ void ex_helptags(eap) exarg_T *eap; { garray_T ga; int i, j; int len; #ifdef FEAT_MULTI_LANG char_u lang[2]; #endif char_u ext[5]; char_u fname[8]; int filecount; char_u **files; if (!mch_isdir(eap->arg)) { EMSG2(_("E150: Not a directory: %s"), eap->arg); return; } #ifdef FEAT_MULTI_LANG /* Get a list of all files in the directory. */ STRCPY(NameBuff, eap->arg); add_pathsep(NameBuff); STRCAT(NameBuff, "*"); if (gen_expand_wildcards(1, &NameBuff, &filecount, &files, EW_FILE|EW_SILENT) == FAIL || filecount == 0) { EMSG2("E151: No match: %s", NameBuff); return; } /* Go over all files in the directory to find out what languages are * present. */ ga_init2(&ga, 1, 10); for (i = 0; i < filecount; ++i) { len = STRLEN(files[i]); if (len > 4) { if (STRICMP(files[i] + len - 4, ".txt") == 0) { /* ".txt" -> language "en" */ lang[0] = 'e'; lang[1] = 'n'; } else if (files[i][len - 4] == '.' && ASCII_ISALPHA(files[i][len - 3]) && ASCII_ISALPHA(files[i][len - 2]) && TOLOWER_ASC(files[i][len - 1]) == 'x') { /* ".abx" -> language "ab" */ lang[0] = TOLOWER_ASC(files[i][len - 3]); lang[1] = TOLOWER_ASC(files[i][len - 2]); } else continue; /* Did we find this language already? */ for (j = 0; j < ga.ga_len; j += 2) if (STRNCMP(lang, ((char_u *)ga.ga_data) + j, 2) == 0) break; if (j == ga.ga_len) { /* New language, add it. */ if (ga_grow(&ga, 2) == FAIL) break; ((char_u *)ga.ga_data)[ga.ga_len++] = lang[0]; ((char_u *)ga.ga_data)[ga.ga_len++] = lang[1]; } } } /* * Loop over the found languages to generate a tags file for each one. */ for (j = 0; j < ga.ga_len; j += 2) { STRCPY(fname, "tags-xx"); fname[5] = ((char_u *)ga.ga_data)[j]; fname[6] = ((char_u *)ga.ga_data)[j + 1]; if (fname[5] == 'e' && fname[6] == 'n') { /* English is an exception: use ".txt" and "tags". */ fname[4] = NUL; STRCPY(ext, ".txt"); } else { /* Language "ab" uses ".abx" and "tags-ab". */ STRCPY(ext, ".xxx"); ext[1] = fname[5]; ext[2] = fname[6]; } helptags_one(eap->arg, ext, fname); } ga_clear(&ga); FreeWild(filecount, files); #else /* No language support, just use "*.txt" and "tags". */ helptags_one(eap->arg, (char_u *)".txt", (char_u *)"tags"); #endif } static void helptags_one(dir, ext, tagfname) char_u *dir; /* doc directory */ char_u *ext; /* suffix, ".txt", ".itx", ".frx", etc. */ char_u *tagfname; /* "tags" for English, "tags-it" for Italian. */ { FILE *fd_tags; FILE *fd; garray_T ga; int filecount; char_u **files; char_u *p1, *p2; int fi; char_u *s; int i; char_u *fname; # ifdef FEAT_MBYTE int utf8 = MAYBE; int this_utf8; int firstline; int mix = FALSE; /* detected mixed encodings */ # endif /* * Find all *.txt files. */ STRCPY(NameBuff, dir); add_pathsep(NameBuff); STRCAT(NameBuff, "*"); STRCAT(NameBuff, ext); if (gen_expand_wildcards(1, &NameBuff, &filecount, &files, EW_FILE|EW_SILENT) == FAIL || filecount == 0) { if (!got_int) EMSG2("E151: No match: %s", NameBuff); return; } /* * Open the tags file for writing. * Do this before scanning through all the files. */ STRCPY(NameBuff, dir); add_pathsep(NameBuff); STRCAT(NameBuff, tagfname); fd_tags = fopen((char *)NameBuff, "w"); if (fd_tags == NULL) { EMSG2(_("E152: Cannot open %s for writing"), NameBuff); FreeWild(filecount, files); return; } /* * If generating tags for "$VIMRUNTIME/doc" add the "help-tags" tag. */ ga_init2(&ga, (int)sizeof(char_u *), 100); if (fullpathcmp((char_u *)"$VIMRUNTIME/doc", dir, FALSE) == FPC_SAME) { if (ga_grow(&ga, 1) == FAIL) got_int = TRUE; else { s = alloc(30); if (s == NULL) got_int = TRUE; else { sprintf((char *)s, "help-tags\t%s\t1\n", tagfname); ((char_u **)ga.ga_data)[ga.ga_len] = s; ++ga.ga_len; } } } /* * Go over all the files and extract the tags. */ for (fi = 0; fi < filecount && !got_int; ++fi) { fd = fopen((char *)files[fi], "r"); if (fd == NULL) { EMSG2(_("E153: Unable to open %s for reading"), files[fi]); continue; } fname = gettail(files[fi]); # ifdef FEAT_MBYTE firstline = TRUE; # endif while (!vim_fgets(IObuff, IOSIZE, fd) && !got_int) { # ifdef FEAT_MBYTE if (firstline) { /* Detect utf-8 file by a non-ASCII char in the first line. */ this_utf8 = MAYBE; for (s = IObuff; *s != NUL; ++s) if (*s >= 0x80) { int l; this_utf8 = TRUE; l = utf_ptr2len_check(s); if (l == 1) { /* Illegal UTF-8 byte sequence. */ this_utf8 = FALSE; break; } s += l - 1; } if (this_utf8 == MAYBE) /* only ASCII characters found */ this_utf8 = FALSE; if (utf8 == MAYBE) /* first file */ utf8 = this_utf8; else if (utf8 != this_utf8) { EMSG2(_("E670: Mix of help file encodings within a language: %s"), files[fi]); mix = !got_int; got_int = TRUE; } firstline = FALSE; } # endif p1 = vim_strchr(IObuff, '*'); /* find first '*' */ while (p1 != NULL) { p2 = vim_strchr(p1 + 1, '*'); /* find second '*' */ if (p2 != NULL && p2 > p1 + 1) /* skip "*" and "**" */ { for (s = p1 + 1; s < p2; ++s) if (*s == ' ' || *s == '\t' || *s == '|') break; /* * Only accept a *tag* when it consists of valid * characters, there is white space before it and is * followed by a white character or end-of-line. */ if (s == p2 && (p1 == IObuff || p1[-1] == ' ' || p1[-1] == '\t') && (vim_strchr((char_u *)" \t\n\r", s[1]) != NULL || s[1] == '\0')) { *p2 = '\0'; ++p1; if (ga_grow(&ga, 1) == FAIL) { got_int = TRUE; break; } s = alloc((unsigned)(p2 - p1 + STRLEN(fname) + 2)); if (s == NULL) { got_int = TRUE; break; } ((char_u **)ga.ga_data)[ga.ga_len] = s; ++ga.ga_len; sprintf((char *)s, "%s\t%s", p1, fname); /* find next '*' */ p2 = vim_strchr(p2 + 1, '*'); } } p1 = p2; } line_breakcheck(); } fclose(fd); } FreeWild(filecount, files); if (!got_int) { /* * Sort the tags. */ sort_strings((char_u **)ga.ga_data, ga.ga_len); /* * Check for duplicates. */ for (i = 1; i < ga.ga_len; ++i) { p1 = ((char_u **)ga.ga_data)[i - 1]; p2 = ((char_u **)ga.ga_data)[i]; while (*p1 == *p2) { if (*p2 == '\t') { *p2 = NUL; sprintf((char *)NameBuff, _("E154: Duplicate tag \"%s\" in file %s/%s"), ((char_u **)ga.ga_data)[i], dir, p2 + 1); EMSG(NameBuff); *p2 = '\t'; break; } ++p1; ++p2; } } # ifdef FEAT_MBYTE if (utf8 == TRUE) fprintf(fd_tags, "!_TAG_FILE_ENCODING\tutf-8\t//\n"); # endif /* * Write the tags into the file. */ for (i = 0; i < ga.ga_len; ++i) { s = ((char_u **)ga.ga_data)[i]; if (STRNCMP(s, "help-tags", 9) == 0) /* help-tags entry was added in formatted form */ fprintf(fd_tags, (char *)s); else { fprintf(fd_tags, "%s\t/*", s); for (p1 = s; *p1 != '\t'; ++p1) { /* insert backslash before '\\' and '/' */ if (*p1 == '\\' || *p1 == '/') putc('\\', fd_tags); putc(*p1, fd_tags); } fprintf(fd_tags, "*\n"); } } } #ifdef FEAT_MBYTE if (mix) got_int = FALSE; /* continue with other languages */ #endif for (i = 0; i < ga.ga_len; ++i) vim_free(((char_u **)ga.ga_data)[i]); ga_clear(&ga); fclose(fd_tags); /* there is no check for an error... */ } #endif #if defined(FEAT_SIGNS) || defined(PROTO) /* * Struct to hold the sign properties. */ typedef struct sign sign_T; struct sign { sign_T *sn_next; /* next sign in list */ int sn_typenr; /* type number of sign (negative if not equal to name) */ char_u *sn_name; /* name of sign */ char_u *sn_icon; /* name of pixmap */ #ifdef FEAT_SIGN_ICONS void *sn_image; /* icon image */ #endif char_u *sn_text; /* text used instead of pixmap */ int sn_line_hl; /* highlight ID for line */ int sn_text_hl; /* highlight ID for text */ }; #define MAX_TYPENR 255 /* depends on sattr_T */ static sign_T *first_sign = NULL; static int last_sign_typenr = MAX_TYPENR; /* is decremented */ static void sign_list_defined __ARGS((sign_T *sp)); /* * ":sign" command */ void ex_sign(eap) exarg_T *eap; { char_u *arg = eap->arg; char_u *p; int idx; sign_T *sp; sign_T *sp_prev; buf_T *buf; static char *cmds[] = { "define", #define SIGNCMD_DEFINE 0 "undefine", #define SIGNCMD_UNDEFINE 1 "list", #define SIGNCMD_LIST 2 "place", #define SIGNCMD_PLACE 3 "unplace", #define SIGNCMD_UNPLACE 4 "jump", #define SIGNCMD_JUMP 5 #define SIGNCMD_LAST 6 }; /* Parse the subcommand. */ p = skiptowhite(arg); if (*p != NUL) *p++ = NUL; for (idx = 0; ; ++idx) { if (idx == SIGNCMD_LAST) { EMSG2(_("E160: Unknown sign command: %s"), arg); return; } if (STRCMP(arg, cmds[idx]) == 0) break; } arg = skipwhite(p); if (idx <= SIGNCMD_LIST) { /* * Define, undefine or list signs. */ if (idx == SIGNCMD_LIST && *arg == NUL) { /* ":sign list": list all defined signs */ for (sp = first_sign; sp != NULL; sp = sp->sn_next) sign_list_defined(sp); } else if (*arg == NUL) EMSG(_("E156: Missing sign name")); else { p = skiptowhite(arg); if (*p != NUL) *p++ = NUL; sp_prev = NULL; for (sp = first_sign; sp != NULL; sp = sp->sn_next) { if (STRCMP(sp->sn_name, arg) == 0) break; sp_prev = sp; } if (idx == SIGNCMD_DEFINE) { /* ":sign define {name} ...": define a sign */ if (sp == NULL) { /* Allocate a new sign. */ sp = (sign_T *)alloc_clear((unsigned)sizeof(sign_T)); if (sp == NULL) return; if (sp_prev == NULL) first_sign = sp; else sp_prev->sn_next = sp; sp->sn_name = vim_strnsave(arg, (int)(p - arg)); /* If the name is a number use that for the typenr, * otherwise use a negative number. */ if (VIM_ISDIGIT(*arg)) sp->sn_typenr = atoi((char *)arg); else { sign_T *lp; int start = last_sign_typenr; for (lp = first_sign; lp != NULL; lp = lp->sn_next) { if (lp->sn_typenr == last_sign_typenr) { --last_sign_typenr; if (last_sign_typenr == 0) last_sign_typenr = MAX_TYPENR; if (last_sign_typenr == start) { EMSG(_("E612: Too many signs defined")); return; } lp = first_sign; continue; } } sp->sn_typenr = last_sign_typenr--; if (last_sign_typenr == 0) last_sign_typenr = MAX_TYPENR; /* wrap around */ } } /* set values for a defined sign. */ for (;;) { arg = skipwhite(p); if (*arg == NUL) break; p = skiptowhite_esc(arg); if (STRNCMP(arg, "icon=", 5) == 0) { arg += 5; vim_free(sp->sn_icon); sp->sn_icon = vim_strnsave(arg, (int)(p - arg)); backslash_halve(sp->sn_icon); #ifdef FEAT_SIGN_ICONS if (gui.in_use) { out_flush(); if (sp->sn_image != NULL) gui_mch_destroy_sign(sp->sn_image); sp->sn_image = gui_mch_register_sign(sp->sn_icon); } #endif } else if (STRNCMP(arg, "text=", 5) == 0) { char_u *s; int cells; int len; arg += 5; #ifdef FEAT_MBYTE /* Count cells and check for non-printable chars */ if (has_mbyte) { cells = 0; for (s = arg; s < p; s += (*mb_ptr2len_check)(s)) { if (!vim_isprintc((*mb_ptr2char)(s))) break; cells += (*mb_ptr2cells)(s); } } else #endif { for (s = arg; s < p; ++s) if (!vim_isprintc(*s)) break; cells = s - arg; } /* Currently must be one or two display cells */ if (s != p || cells < 1 || cells > 2) { *p = NUL; EMSG2(_("E239: Invalid sign text: %s"), arg); return; } vim_free(sp->sn_text); /* Allocate one byte more if we need to pad up * with a space. */ len = p - arg + ((cells == 1) ? 1 : 0); sp->sn_text = vim_strnsave(arg, len); if (sp->sn_text != NULL && cells == 1) STRCPY(sp->sn_text + len - 1, " "); } else if (STRNCMP(arg, "linehl=", 7) == 0) { arg += 7; sp->sn_line_hl = syn_check_group(arg, (int)(p - arg)); } else if (STRNCMP(arg, "texthl=", 7) == 0) { arg += 7; sp->sn_text_hl = syn_check_group(arg, (int)(p - arg)); } else { EMSG2(_(e_invarg2), arg); return; } } } else if (sp == NULL) EMSG2(_("E155: Unknown sign: %s"), arg); else if (idx == SIGNCMD_LIST) /* ":sign list {name}" */ sign_list_defined(sp); else { /* ":sign undefine {name}" */ vim_free(sp->sn_name); vim_free(sp->sn_icon); #ifdef FEAT_SIGN_ICONS if (sp->sn_image != NULL) { out_flush(); gui_mch_destroy_sign(sp->sn_image); } #endif vim_free(sp->sn_text); if (sp_prev == NULL) first_sign = sp->sn_next; else sp_prev->sn_next = sp->sn_next; vim_free(sp); } } } else { int id = -1; linenr_T lnum = -1; char_u *sign_name = NULL; char_u *arg1; if (*arg == NUL) { if (idx == SIGNCMD_PLACE) { /* ":sign place": list placed signs in all buffers */ sign_list_placed(NULL); } else if (idx == SIGNCMD_UNPLACE) { /* ":sign unplace": remove placed sign at cursor */ id = buf_findsign_id(curwin->w_buffer, curwin->w_cursor.lnum); if (id > 0) { buf_delsign(curwin->w_buffer, id); update_debug_sign(curwin->w_buffer, curwin->w_cursor.lnum); } else EMSG(_("E159: Missing sign number")); } else EMSG(_(e_argreq)); return; } if (idx == SIGNCMD_UNPLACE && arg[0] == '*' && arg[1] == NUL) { /* ":sign unplace *": remove all placed signs */ buf_delete_all_signs(); return; } /* first arg could be placed sign id */ arg1 = arg; if (VIM_ISDIGIT(*arg)) { id = getdigits(&arg); if (!vim_iswhite(*arg) && *arg != NUL) { id = -1; arg = arg1; } else { arg = skipwhite(arg); if (idx == SIGNCMD_UNPLACE && *arg == NUL) { /* ":sign unplace {id}": remove placed sign by number */ for (buf = firstbuf; buf != NULL; buf = buf->b_next) if ((lnum = buf_delsign(buf, id)) != 0) update_debug_sign(buf, lnum); return; } } } /* * Check for line={lnum} name={name} and file={fname} or buffer={nr}. * Leave "arg" pointing to {fname}. */ for (;;) { if (STRNCMP(arg, "line=", 5) == 0) { arg += 5; lnum = atoi((char *)arg); arg = skiptowhite(arg); } else if (STRNCMP(arg, "name=", 5) == 0) { arg += 5; sign_name = arg; arg = skiptowhite(arg); if (*arg != NUL) *arg++ = NUL; } else if (STRNCMP(arg, "file=", 5) == 0) { arg += 5; buf = buflist_findname(arg); break; } else if (STRNCMP(arg, "buffer=", 7) == 0) { arg += 7; buf = buflist_findnr((int)getdigits(&arg)); if (*skipwhite(arg) != NUL) EMSG(_(e_trailing)); break; } else { EMSG(_(e_invarg)); return; } arg = skipwhite(arg); } if (buf == NULL) { EMSG2(_("E158: Invalid buffer name: %s"), arg); } else if (id <= 0) { if (lnum >= 0 || sign_name != NULL) EMSG(_(e_invarg)); else /* ":sign place file={fname}": list placed signs in one file */ sign_list_placed(buf); } else if (idx == SIGNCMD_JUMP) { /* ":sign jump {id} file={fname}" */ if (lnum >= 0 || sign_name != NULL) EMSG(_(e_invarg)); else if ((lnum = buf_findsign(buf, id)) > 0) { /* goto a sign ... */ if (buf_jump_open_win(buf) != NULL) { /* ... in a current window */ curwin->w_cursor.lnum = lnum; check_cursor_lnum(); beginline(BL_WHITE); } else { /* ... not currently in a window */ char_u *cmd; cmd = alloc((unsigned)STRLEN(buf->b_fname) + 25); if (cmd == NULL) return; sprintf((char *)cmd, "e +%ld %s", (long)lnum, buf->b_fname); do_cmdline_cmd(cmd); vim_free(cmd); } #ifdef FEAT_FOLDING foldOpenCursor(); #endif } else EMSGN(_("E157: Invalid sign ID: %ld"), id); } else if (idx == SIGNCMD_UNPLACE) { /* ":sign unplace {id} file={fname}" */ if (lnum >= 0 || sign_name != NULL) EMSG(_(e_invarg)); else { lnum = buf_delsign(buf, id); update_debug_sign(buf, lnum); } } /* idx == SIGNCMD_PLACE */ else if (sign_name != NULL) { for (sp = first_sign; sp != NULL; sp = sp->sn_next) if (STRCMP(sp->sn_name, sign_name) == 0) break; if (sp == NULL) { EMSG2(_("E155: Unknown sign: %s"), sign_name); return; } if (lnum > 0) /* ":sign place {id} line={lnum} name={name} file={fname}": * place a sign */ buf_addsign(buf, id, lnum, sp->sn_typenr); else /* ":sign place {id} file={fname}": change sign type */ lnum = buf_change_sign_type(buf, id, sp->sn_typenr); update_debug_sign(buf, lnum); } else EMSG(_(e_invarg)); } } #if defined(FEAT_SIGN_ICONS) || defined(PROTO) /* * Allocate the icons. Called when the GUI has started. Allows defining * signs before it starts. */ void sign_gui_started() { sign_T *sp; for (sp = first_sign; sp != NULL; sp = sp->sn_next) if (sp->sn_icon != NULL) sp->sn_image = gui_mch_register_sign(sp->sn_icon); } #endif /* * List one sign. */ static void sign_list_defined(sp) sign_T *sp; { char_u *p; smsg((char_u *)"sign %s", sp->sn_name); if (sp->sn_icon != NULL) { MSG_PUTS(" icon="); msg_outtrans(sp->sn_icon); #ifdef FEAT_SIGN_ICONS if (sp->sn_image == NULL) MSG_PUTS(_(" (NOT FOUND)")); #else MSG_PUTS(_(" (not supported)")); #endif } if (sp->sn_text != NULL) { MSG_PUTS(" text="); msg_outtrans(sp->sn_text); } if (sp->sn_line_hl > 0) { MSG_PUTS(" linehl="); p = get_highlight_name(NULL, sp->sn_line_hl - 1); if (p == NULL) MSG_PUTS("NONE"); else msg_puts(p); } if (sp->sn_text_hl > 0) { MSG_PUTS(" texthl="); p = get_highlight_name(NULL, sp->sn_text_hl - 1); if (p == NULL) MSG_PUTS("NONE"); else msg_puts(p); } } /* * Get highlighting attribute for sign "typenr". * If "line" is TRUE: line highl, if FALSE: text highl. */ int sign_get_attr(typenr, line) int typenr; int line; { sign_T *sp; for (sp = first_sign; sp != NULL; sp = sp->sn_next) if (sp->sn_typenr == typenr) { if (line) { if (sp->sn_line_hl > 0) return syn_id2attr(sp->sn_line_hl); } else { if (sp->sn_text_hl > 0) return syn_id2attr(sp->sn_text_hl); } break; } return 0; } /* * Get text mark for sign "typenr". * Returns NULL if there isn't one. */ char_u * sign_get_text(typenr) int typenr; { sign_T *sp; for (sp = first_sign; sp != NULL; sp = sp->sn_next) if (sp->sn_typenr == typenr) return sp->sn_text; return NULL; } #if defined(FEAT_SIGN_ICONS) || defined(PROTO) void * sign_get_image(typenr) int typenr; /* the attribute which may have a sign */ { sign_T *sp; for (sp = first_sign; sp != NULL; sp = sp->sn_next) if (sp->sn_typenr == typenr) return sp->sn_image; return NULL; } #endif /* * Get the name of a sign by its typenr. */ char_u * sign_typenr2name(typenr) int typenr; { sign_T *sp; for (sp = first_sign; sp != NULL; sp = sp->sn_next) if (sp->sn_typenr == typenr) return sp->sn_name; return (char_u *)_("[Deleted]"); } #endif #if defined(FEAT_GUI) || defined(FEAT_CLIENTSERVER) || defined(PROTO) /* * ":drop" * Opens the first argument in a window. When there are two or more arguments * the argument list is redefined. */ void ex_drop(eap) exarg_T *eap; { int split = FALSE; int incurwin = FALSE; char_u *arg; char_u *first = NULL; win_T *wp; buf_T *buf; /* * Check if the first argument is already being edited in a window. If * so, jump to that window. * We would actually need to check all arguments, but that's complicated * and mostly only one file is dropped. * This also ignores wildcards, since it is very unlikely the user is * editing a file name with a wildcard character. */ arg = vim_strsave(eap->arg); if (arg != NULL) { /* Get the first argument, remove quotes, make it a full path. */ first = fix_fname(arg); if (first != NULL) { buf = buflist_findname(first); FOR_ALL_WINDOWS(wp) { if (wp->w_buffer == buf) { incurwin = TRUE; # ifdef FEAT_WINDOWS win_enter(wp, TRUE); break; # endif } } vim_free(first); if (incurwin) { /* Already editing the file. Redefine the argument list. */ set_arglist(eap->arg); curwin->w_arg_idx = 0; vim_free(arg); return; } } vim_free(arg); } /* * Check whether the current buffer is changed. If so, we will need * to split the current window or data could be lost. * Skip the check if the 'hidden' option is set, as in this case the * buffer won't be lost. */ if (!P_HID(curbuf)) { # ifdef FEAT_WINDOWS ++emsg_off; # endif split = check_changed(curbuf, TRUE, FALSE, FALSE, FALSE); # ifdef FEAT_WINDOWS --emsg_off; # else if (split) return; # endif } /* Fake a ":snext" or ":next" command, redefine the arglist. */ if (split) { eap->cmdidx = CMD_snext; eap->cmd[0] = 's'; } else eap->cmdidx = CMD_next; ex_next(eap); } #endif