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ex_getln.c
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/* vi:set ts=8 sts=4 sw=4 noet:
*
* 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_getln.c: Functions for entering and editing an Ex command line.
*/
#include "vim.h"
/*
* Variables shared between getcmdline(), redrawcmdline() and others.
* These need to be saved when using CTRL-R |, that's why they are in a
* structure.
*/
struct cmdline_info
{
char_u *cmdbuff; /* pointer to command line buffer */
int cmdbufflen; /* length of cmdbuff */
int cmdlen; /* number of chars in command line */
int cmdpos; /* current cursor position */
int cmdspos; /* cursor column on screen */
int cmdfirstc; /* ':', '/', '?', '=', '>' or NUL */
int cmdindent; /* number of spaces before cmdline */
char_u *cmdprompt; /* message in front of cmdline */
int cmdattr; /* attributes for prompt */
int overstrike; /* Typing mode on the command line. Shared by
getcmdline() and put_on_cmdline(). */
expand_T *xpc; /* struct being used for expansion, xp_pattern
may point into cmdbuff */
int xp_context; /* type of expansion */
# ifdef FEAT_EVAL
char_u *xp_arg; /* user-defined expansion arg */
int input_fn; /* when TRUE Invoked for input() function */
# endif
};
/* The current cmdline_info. It is initialized in getcmdline() and after that
* used by other functions. When invoking getcmdline() recursively it needs
* to be saved with save_cmdline() and restored with restore_cmdline().
* TODO: make it local to getcmdline() and pass it around. */
static struct cmdline_info ccline;
static int cmd_showtail; /* Only show path tail in lists ? */
#ifdef FEAT_EVAL
static int new_cmdpos; /* position set by set_cmdline_pos() */
#endif
static int extra_char = NUL; /* extra character to display when redrawing
* the command line */
static int extra_char_shift;
#ifdef FEAT_CMDHIST
typedef struct hist_entry
{
int hisnum; /* identifying number */
int viminfo; /* when TRUE hisstr comes from viminfo */
char_u *hisstr; /* actual entry, separator char after the NUL */
time_t time_set; /* when it was typed, zero if unknown */
} histentry_T;
static histentry_T *(history[HIST_COUNT]) = {NULL, NULL, NULL, NULL, NULL};
static int hisidx[HIST_COUNT] = {-1, -1, -1, -1, -1}; /* lastused entry */
static int hisnum[HIST_COUNT] = {0, 0, 0, 0, 0};
/* identifying (unique) number of newest history entry */
static int hislen = 0; /* actual length of history tables */
static int hist_char2type(int c);
static int in_history(int, char_u *, int, int, int);
# ifdef FEAT_EVAL
static int calc_hist_idx(int histype, int num);
# endif
#endif
#ifdef FEAT_RIGHTLEFT
static int cmd_hkmap = 0; /* Hebrew mapping during command line */
#endif
#ifdef FEAT_FKMAP
static int cmd_fkmap = 0; /* Farsi mapping during command line */
#endif
static int cmdline_charsize(int idx);
static void set_cmdspos(void);
static void set_cmdspos_cursor(void);
#ifdef FEAT_MBYTE
static void correct_cmdspos(int idx, int cells);
#endif
static void alloc_cmdbuff(int len);
static int realloc_cmdbuff(int len);
static void draw_cmdline(int start, int len);
static void save_cmdline(struct cmdline_info *ccp);
static void restore_cmdline(struct cmdline_info *ccp);
static int cmdline_paste(int regname, int literally, int remcr);
#if defined(FEAT_XIM) && defined(FEAT_GUI_GTK)
static void redrawcmd_preedit(void);
#endif
#ifdef FEAT_WILDMENU
static void cmdline_del(int from);
#endif
static void redrawcmdprompt(void);
static void cursorcmd(void);
static int ccheck_abbr(int);
static int nextwild(expand_T *xp, int type, int options, int escape);
static void escape_fname(char_u **pp);
static int showmatches(expand_T *xp, int wildmenu);
static void set_expand_context(expand_T *xp);
static int ExpandFromContext(expand_T *xp, char_u *, int *, char_u ***, int);
static int expand_showtail(expand_T *xp);
#ifdef FEAT_CMDL_COMPL
static int expand_shellcmd(char_u *filepat, int *num_file, char_u ***file, int flagsarg);
static int ExpandRTDir(char_u *pat, int flags, int *num_file, char_u ***file, char *dirname[]);
static int ExpandPackAddDir(char_u *pat, int *num_file, char_u ***file);
# ifdef FEAT_CMDHIST
static char_u *get_history_arg(expand_T *xp, int idx);
# endif
# if defined(FEAT_USR_CMDS) && defined(FEAT_EVAL)
static int ExpandUserDefined(expand_T *xp, regmatch_T *regmatch, int *num_file, char_u ***file);
static int ExpandUserList(expand_T *xp, int *num_file, char_u ***file);
# endif
#endif
#ifdef FEAT_CMDHIST
static void clear_hist_entry(histentry_T *hisptr);
#endif
#ifdef FEAT_CMDWIN
static int open_cmdwin(void);
#endif
#if defined(FEAT_CMDL_COMPL) || defined(PROTO)
static int
#ifdef __BORLANDC__
_RTLENTRYF
#endif
sort_func_compare(const void *s1, const void *s2);
#endif
#ifdef FEAT_SEARCH_EXTRA
static void set_search_match(pos_T *t);
#endif
/*
* getcmdline() - accept a command line starting with firstc.
*
* firstc == ':' get ":" command line.
* firstc == '/' or '?' get search pattern
* firstc == '=' get expression
* firstc == '@' get text for input() function
* firstc == '>' get text for debug mode
* firstc == NUL get text for :insert command
* firstc == -1 like NUL, and break on CTRL-C
*
* The line is collected in ccline.cmdbuff, which is reallocated to fit the
* command line.
*
* Careful: getcmdline() can be called recursively!
*
* Return pointer to allocated string if there is a commandline, NULL
* otherwise.
*/
char_u *
getcmdline(
int firstc,
long count UNUSED, /* only used for incremental search */
int indent) /* indent for inside conditionals */
{
int c;
int i;
int j;
int gotesc = FALSE; /* TRUE when <ESC> just typed */
int do_abbr; /* when TRUE check for abbr. */
#ifdef FEAT_CMDHIST
char_u *lookfor = NULL; /* string to match */
int hiscnt; /* current history line in use */
int histype; /* history type to be used */
#endif
#ifdef FEAT_SEARCH_EXTRA
pos_T search_start; /* where 'incsearch' starts searching */
pos_T save_cursor;
colnr_T old_curswant;
colnr_T init_curswant = curwin->w_curswant;
colnr_T old_leftcol;
colnr_T init_leftcol = curwin->w_leftcol;
linenr_T old_topline;
linenr_T init_topline = curwin->w_topline;
pos_T match_start = curwin->w_cursor;
pos_T match_end;
# ifdef FEAT_DIFF
int old_topfill;
int init_topfill = curwin->w_topfill;
# endif
linenr_T old_botline;
linenr_T init_botline = curwin->w_botline;
int did_incsearch = FALSE;
int incsearch_postponed = FALSE;
#endif
int did_wild_list = FALSE; /* did wild_list() recently */
int wim_index = 0; /* index in wim_flags[] */
int res;
int save_msg_scroll = msg_scroll;
int save_State = State; /* remember State when called */
int some_key_typed = FALSE; /* one of the keys was typed */
#ifdef FEAT_MOUSE
/* mouse drag and release events are ignored, unless they are
* preceded with a mouse down event */
int ignore_drag_release = TRUE;
#endif
#ifdef FEAT_EVAL
int break_ctrl_c = FALSE;
#endif
expand_T xpc;
long *b_im_ptr = NULL;
#if defined(FEAT_WILDMENU) || defined(FEAT_EVAL) || defined(FEAT_SEARCH_EXTRA)
/* Everything that may work recursively should save and restore the
* current command line in save_ccline. That includes update_screen(), a
* custom status line may invoke ":normal". */
struct cmdline_info save_ccline;
#endif
#ifdef FEAT_EVAL
if (firstc == -1)
{
firstc = NUL;
break_ctrl_c = TRUE;
}
#endif
#ifdef FEAT_RIGHTLEFT
/* start without Hebrew mapping for a command line */
if (firstc == ':' || firstc == '=' || firstc == '>')
cmd_hkmap = 0;
#endif
ccline.overstrike = FALSE; /* always start in insert mode */
#ifdef FEAT_SEARCH_EXTRA
CLEAR_POS(&match_end);
save_cursor = curwin->w_cursor; /* may be restored later */
search_start = curwin->w_cursor;
old_curswant = curwin->w_curswant;
old_leftcol = curwin->w_leftcol;
old_topline = curwin->w_topline;
# ifdef FEAT_DIFF
old_topfill = curwin->w_topfill;
# endif
old_botline = curwin->w_botline;
#endif
/*
* set some variables for redrawcmd()
*/
ccline.cmdfirstc = (firstc == '@' ? 0 : firstc);
ccline.cmdindent = (firstc > 0 ? indent : 0);
/* alloc initial ccline.cmdbuff */
alloc_cmdbuff(exmode_active ? 250 : indent + 1);
if (ccline.cmdbuff == NULL)
return NULL; /* out of memory */
ccline.cmdlen = ccline.cmdpos = 0;
ccline.cmdbuff[0] = NUL;
sb_text_start_cmdline();
/* autoindent for :insert and :append */
if (firstc <= 0)
{
vim_memset(ccline.cmdbuff, ' ', indent);
ccline.cmdbuff[indent] = NUL;
ccline.cmdpos = indent;
ccline.cmdspos = indent;
ccline.cmdlen = indent;
}
ExpandInit(&xpc);
ccline.xpc = &xpc;
#ifdef FEAT_RIGHTLEFT
if (curwin->w_p_rl && *curwin->w_p_rlc == 's'
&& (firstc == '/' || firstc == '?'))
cmdmsg_rl = TRUE;
else
cmdmsg_rl = FALSE;
#endif
redir_off = TRUE; /* don't redirect the typed command */
if (!cmd_silent)
{
i = msg_scrolled;
msg_scrolled = 0; /* avoid wait_return message */
gotocmdline(TRUE);
msg_scrolled += i;
redrawcmdprompt(); /* draw prompt or indent */
set_cmdspos();
}
xpc.xp_context = EXPAND_NOTHING;
xpc.xp_backslash = XP_BS_NONE;
#ifndef BACKSLASH_IN_FILENAME
xpc.xp_shell = FALSE;
#endif
#if defined(FEAT_EVAL)
if (ccline.input_fn)
{
xpc.xp_context = ccline.xp_context;
xpc.xp_pattern = ccline.cmdbuff;
# if defined(FEAT_USR_CMDS) && defined(FEAT_CMDL_COMPL)
xpc.xp_arg = ccline.xp_arg;
# endif
}
#endif
/*
* Avoid scrolling when called by a recursive do_cmdline(), e.g. when
* doing ":@0" when register 0 doesn't contain a CR.
*/
msg_scroll = FALSE;
State = CMDLINE;
if (firstc == '/' || firstc == '?' || firstc == '@')
{
/* Use ":lmap" mappings for search pattern and input(). */
if (curbuf->b_p_imsearch == B_IMODE_USE_INSERT)
b_im_ptr = &curbuf->b_p_iminsert;
else
b_im_ptr = &curbuf->b_p_imsearch;
if (*b_im_ptr == B_IMODE_LMAP)
State |= LANGMAP;
#ifdef USE_IM_CONTROL
im_set_active(*b_im_ptr == B_IMODE_IM);
#endif
}
#ifdef USE_IM_CONTROL
else if (p_imcmdline)
im_set_active(TRUE);
#endif
#ifdef FEAT_MOUSE
setmouse();
#endif
#ifdef CURSOR_SHAPE
ui_cursor_shape(); /* may show different cursor shape */
#endif
/* When inside an autocommand for writing "exiting" may be set and
* terminal mode set to cooked. Need to set raw mode here then. */
settmode(TMODE_RAW);
#ifdef FEAT_CMDHIST
init_history();
hiscnt = hislen; /* set hiscnt to impossible history value */
histype = hist_char2type(firstc);
#endif
#ifdef FEAT_DIGRAPHS
do_digraph(-1); /* init digraph typeahead */
#endif
/* If something above caused an error, reset the flags, we do want to type
* and execute commands. Display may be messed up a bit. */
if (did_emsg)
redrawcmd();
did_emsg = FALSE;
got_int = FALSE;
/*
* Collect the command string, handling editing keys.
*/
for (;;)
{
redir_off = TRUE; /* Don't redirect the typed command.
Repeated, because a ":redir" inside
completion may switch it on. */
#ifdef USE_ON_FLY_SCROLL
dont_scroll = FALSE; /* allow scrolling here */
#endif
quit_more = FALSE; /* reset after CTRL-D which had a more-prompt */
cursorcmd(); /* set the cursor on the right spot */
/* Get a character. Ignore K_IGNORE, it should not do anything, such
* as stop completion. */
do
{
c = safe_vgetc();
} while (c == K_IGNORE);
if (KeyTyped)
{
some_key_typed = TRUE;
#ifdef FEAT_RIGHTLEFT
if (cmd_hkmap)
c = hkmap(c);
# ifdef FEAT_FKMAP
if (cmd_fkmap)
c = cmdl_fkmap(c);
# endif
if (cmdmsg_rl && !KeyStuffed)
{
/* Invert horizontal movements and operations. Only when
* typed by the user directly, not when the result of a
* mapping. */
switch (c)
{
case K_RIGHT: c = K_LEFT; break;
case K_S_RIGHT: c = K_S_LEFT; break;
case K_C_RIGHT: c = K_C_LEFT; break;
case K_LEFT: c = K_RIGHT; break;
case K_S_LEFT: c = K_S_RIGHT; break;
case K_C_LEFT: c = K_C_RIGHT; break;
}
}
#endif
}
/*
* Ignore got_int when CTRL-C was typed here.
* Don't ignore it in :global, we really need to break then, e.g., for
* ":g/pat/normal /pat" (without the <CR>).
* Don't ignore it for the input() function.
*/
if ((c == Ctrl_C
#ifdef UNIX
|| c == intr_char
#endif
)
#if defined(FEAT_EVAL) || defined(FEAT_CRYPT)
&& firstc != '@'
#endif
#ifdef FEAT_EVAL
&& !break_ctrl_c
#endif
&& !global_busy)
got_int = FALSE;
#ifdef FEAT_CMDHIST
/* free old command line when finished moving around in the history
* list */
if (lookfor != NULL
&& c != K_S_DOWN && c != K_S_UP
&& c != K_DOWN && c != K_UP
&& c != K_PAGEDOWN && c != K_PAGEUP
&& c != K_KPAGEDOWN && c != K_KPAGEUP
&& c != K_LEFT && c != K_RIGHT
&& (xpc.xp_numfiles > 0 || (c != Ctrl_P && c != Ctrl_N)))
{
vim_free(lookfor);
lookfor = NULL;
}
#endif
/*
* When there are matching completions to select <S-Tab> works like
* CTRL-P (unless 'wc' is <S-Tab>).
*/
if (c != p_wc && c == K_S_TAB && xpc.xp_numfiles > 0)
c = Ctrl_P;
#ifdef FEAT_WILDMENU
/* Special translations for 'wildmenu' */
if (did_wild_list && p_wmnu)
{
if (c == K_LEFT)
c = Ctrl_P;
else if (c == K_RIGHT)
c = Ctrl_N;
}
/* Hitting CR after "emenu Name.": complete submenu */
if (xpc.xp_context == EXPAND_MENUNAMES && p_wmnu
&& ccline.cmdpos > 1
&& ccline.cmdbuff[ccline.cmdpos - 1] == '.'
&& ccline.cmdbuff[ccline.cmdpos - 2] != '\\'
&& (c == '\n' || c == '\r' || c == K_KENTER))
c = K_DOWN;
#endif
/* free expanded names when finished walking through matches */
if (xpc.xp_numfiles != -1
&& !(c == p_wc && KeyTyped) && c != p_wcm
&& c != Ctrl_N && c != Ctrl_P && c != Ctrl_A
&& c != Ctrl_L)
{
(void)ExpandOne(&xpc, NULL, NULL, 0, WILD_FREE);
did_wild_list = FALSE;
#ifdef FEAT_WILDMENU
if (!p_wmnu || (c != K_UP && c != K_DOWN))
#endif
xpc.xp_context = EXPAND_NOTHING;
wim_index = 0;
#ifdef FEAT_WILDMENU
if (p_wmnu && wild_menu_showing != 0)
{
int skt = KeyTyped;
int old_RedrawingDisabled = RedrawingDisabled;
if (ccline.input_fn)
RedrawingDisabled = 0;
if (wild_menu_showing == WM_SCROLLED)
{
/* Entered command line, move it up */
cmdline_row--;
redrawcmd();
}
else if (save_p_ls != -1)
{
/* restore 'laststatus' and 'winminheight' */
p_ls = save_p_ls;
p_wmh = save_p_wmh;
last_status(FALSE);
save_cmdline(&save_ccline);
update_screen(VALID); /* redraw the screen NOW */
restore_cmdline(&save_ccline);
redrawcmd();
save_p_ls = -1;
}
else
{
win_redraw_last_status(topframe);
redraw_statuslines();
}
KeyTyped = skt;
wild_menu_showing = 0;
if (ccline.input_fn)
RedrawingDisabled = old_RedrawingDisabled;
}
#endif
}
#ifdef FEAT_WILDMENU
/* Special translations for 'wildmenu' */
if (xpc.xp_context == EXPAND_MENUNAMES && p_wmnu)
{
/* Hitting <Down> after "emenu Name.": complete submenu */
if (c == K_DOWN && ccline.cmdpos > 0
&& ccline.cmdbuff[ccline.cmdpos - 1] == '.')
c = p_wc;
else if (c == K_UP)
{
/* Hitting <Up>: Remove one submenu name in front of the
* cursor */
int found = FALSE;
j = (int)(xpc.xp_pattern - ccline.cmdbuff);
i = 0;
while (--j > 0)
{
/* check for start of menu name */
if (ccline.cmdbuff[j] == ' '
&& ccline.cmdbuff[j - 1] != '\\')
{
i = j + 1;
break;
}
/* check for start of submenu name */
if (ccline.cmdbuff[j] == '.'
&& ccline.cmdbuff[j - 1] != '\\')
{
if (found)
{
i = j + 1;
break;
}
else
found = TRUE;
}
}
if (i > 0)
cmdline_del(i);
c = p_wc;
xpc.xp_context = EXPAND_NOTHING;
}
}
if ((xpc.xp_context == EXPAND_FILES
|| xpc.xp_context == EXPAND_DIRECTORIES
|| xpc.xp_context == EXPAND_SHELLCMD) && p_wmnu)
{
char_u upseg[5];
upseg[0] = PATHSEP;
upseg[1] = '.';
upseg[2] = '.';
upseg[3] = PATHSEP;
upseg[4] = NUL;
if (c == K_DOWN
&& ccline.cmdpos > 0
&& ccline.cmdbuff[ccline.cmdpos - 1] == PATHSEP
&& (ccline.cmdpos < 3
|| ccline.cmdbuff[ccline.cmdpos - 2] != '.'
|| ccline.cmdbuff[ccline.cmdpos - 3] != '.'))
{
/* go down a directory */
c = p_wc;
}
else if (STRNCMP(xpc.xp_pattern, upseg + 1, 3) == 0 && c == K_DOWN)
{
/* If in a direct ancestor, strip off one ../ to go down */
int found = FALSE;
j = ccline.cmdpos;
i = (int)(xpc.xp_pattern - ccline.cmdbuff);
while (--j > i)
{
#ifdef FEAT_MBYTE
if (has_mbyte)
j -= (*mb_head_off)(ccline.cmdbuff, ccline.cmdbuff + j);
#endif
if (vim_ispathsep(ccline.cmdbuff[j]))
{
found = TRUE;
break;
}
}
if (found
&& ccline.cmdbuff[j - 1] == '.'
&& ccline.cmdbuff[j - 2] == '.'
&& (vim_ispathsep(ccline.cmdbuff[j - 3]) || j == i + 2))
{
cmdline_del(j - 2);
c = p_wc;
}
}
else if (c == K_UP)
{
/* go up a directory */
int found = FALSE;
j = ccline.cmdpos - 1;
i = (int)(xpc.xp_pattern - ccline.cmdbuff);
while (--j > i)
{
#ifdef FEAT_MBYTE
if (has_mbyte)
j -= (*mb_head_off)(ccline.cmdbuff, ccline.cmdbuff + j);
#endif
if (vim_ispathsep(ccline.cmdbuff[j])
#ifdef BACKSLASH_IN_FILENAME
&& vim_strchr((char_u *)" *?[{`$%#",
ccline.cmdbuff[j + 1]) == NULL
#endif
)
{
if (found)
{
i = j + 1;
break;
}
else
found = TRUE;
}
}
if (!found)
j = i;
else if (STRNCMP(ccline.cmdbuff + j, upseg, 4) == 0)
j += 4;
else if (STRNCMP(ccline.cmdbuff + j, upseg + 1, 3) == 0
&& j == i)
j += 3;
else
j = 0;
if (j > 0)
{
/* TODO this is only for DOS/UNIX systems - need to put in
* machine-specific stuff here and in upseg init */
cmdline_del(j);
put_on_cmdline(upseg + 1, 3, FALSE);
}
else if (ccline.cmdpos > i)
cmdline_del(i);
/* Now complete in the new directory. Set KeyTyped in case the
* Up key came from a mapping. */
c = p_wc;
KeyTyped = TRUE;
}
}
#endif /* FEAT_WILDMENU */
/* CTRL-\ CTRL-N goes to Normal mode, CTRL-\ CTRL-G goes to Insert
* mode when 'insertmode' is set, CTRL-\ e prompts for an expression. */
if (c == Ctrl_BSL)
{
++no_mapping;
++allow_keys;
c = plain_vgetc();
--no_mapping;
--allow_keys;
/* CTRL-\ e doesn't work when obtaining an expression, unless it
* is in a mapping. */
if (c != Ctrl_N && c != Ctrl_G && (c != 'e'
|| (ccline.cmdfirstc == '=' && KeyTyped)))
{
vungetc(c);
c = Ctrl_BSL;
}
#ifdef FEAT_EVAL
else if (c == 'e')
{
char_u *p = NULL;
int len;
/*
* Replace the command line with the result of an expression.
* Need to save and restore the current command line, to be
* able to enter a new one...
*/
if (ccline.cmdpos == ccline.cmdlen)
new_cmdpos = 99999; /* keep it at the end */
else
new_cmdpos = ccline.cmdpos;
save_cmdline(&save_ccline);
c = get_expr_register();
restore_cmdline(&save_ccline);
if (c == '=')
{
/* Need to save and restore ccline. And set "textlock"
* to avoid nasty things like going to another buffer when
* evaluating an expression. */
save_cmdline(&save_ccline);
++textlock;
p = get_expr_line();
--textlock;
restore_cmdline(&save_ccline);
if (p != NULL)
{
len = (int)STRLEN(p);
if (realloc_cmdbuff(len + 1) == OK)
{
ccline.cmdlen = len;
STRCPY(ccline.cmdbuff, p);
vim_free(p);
/* Restore the cursor or use the position set with
* set_cmdline_pos(). */
if (new_cmdpos > ccline.cmdlen)
ccline.cmdpos = ccline.cmdlen;
else
ccline.cmdpos = new_cmdpos;
KeyTyped = FALSE; /* Don't do p_wc completion. */
redrawcmd();
goto cmdline_changed;
}
}
}
beep_flush();
got_int = FALSE; /* don't abandon the command line */
did_emsg = FALSE;
emsg_on_display = FALSE;
redrawcmd();
goto cmdline_not_changed;
}
#endif
else
{
if (c == Ctrl_G && p_im && restart_edit == 0)
restart_edit = 'a';
gotesc = TRUE; /* will free ccline.cmdbuff after putting it
in history */
goto returncmd; /* back to Normal mode */
}
}
#ifdef FEAT_CMDWIN
if (c == cedit_key || c == K_CMDWIN)
{
if (ex_normal_busy == 0 && got_int == FALSE)
{
/*
* Open a window to edit the command line (and history).
*/
c = open_cmdwin();
some_key_typed = TRUE;
}
}
# ifdef FEAT_DIGRAPHS
else
# endif
#endif
#ifdef FEAT_DIGRAPHS
c = do_digraph(c);
#endif
if (c == '\n' || c == '\r' || c == K_KENTER || (c == ESC
&& (!KeyTyped || vim_strchr(p_cpo, CPO_ESC) != NULL)))
{
/* In Ex mode a backslash escapes a newline. */
if (exmode_active
&& c != ESC
&& ccline.cmdpos == ccline.cmdlen
&& ccline.cmdpos > 0
&& ccline.cmdbuff[ccline.cmdpos - 1] == '\\')
{
if (c == K_KENTER)
c = '\n';
}
else
{
gotesc = FALSE; /* Might have typed ESC previously, don't
truncate the cmdline now. */
if (ccheck_abbr(c + ABBR_OFF))
goto cmdline_changed;
if (!cmd_silent)
{
windgoto(msg_row, 0);
out_flush();
}
break;
}
}
/*
* Completion for 'wildchar' or 'wildcharm' key.
* - hitting <ESC> twice means: abandon command line.
* - wildcard expansion is only done when the 'wildchar' key is really
* typed, not when it comes from a macro
*/
if ((c == p_wc && !gotesc && KeyTyped) || c == p_wcm)
{
if (xpc.xp_numfiles > 0) /* typed p_wc at least twice */
{
/* if 'wildmode' contains "list" may still need to list */
if (xpc.xp_numfiles > 1
&& !did_wild_list
&& (wim_flags[wim_index] & WIM_LIST))
{
(void)showmatches(&xpc, FALSE);
redrawcmd();
did_wild_list = TRUE;
}
if (wim_flags[wim_index] & WIM_LONGEST)
res = nextwild(&xpc, WILD_LONGEST, WILD_NO_BEEP,
firstc != '@');
else if (wim_flags[wim_index] & WIM_FULL)
res = nextwild(&xpc, WILD_NEXT, WILD_NO_BEEP,
firstc != '@');
else
res = OK; /* don't insert 'wildchar' now */
}
else /* typed p_wc first time */
{
wim_index = 0;
j = ccline.cmdpos;
/* if 'wildmode' first contains "longest", get longest
* common part */
if (wim_flags[0] & WIM_LONGEST)
res = nextwild(&xpc, WILD_LONGEST, WILD_NO_BEEP,
firstc != '@');
else
res = nextwild(&xpc, WILD_EXPAND_KEEP, WILD_NO_BEEP,
firstc != '@');
/* if interrupted while completing, behave like it failed */
if (got_int)
{
(void)vpeekc(); /* remove <C-C> from input stream */
got_int = FALSE; /* don't abandon the command line */
(void)ExpandOne(&xpc, NULL, NULL, 0, WILD_FREE);
#ifdef FEAT_WILDMENU
xpc.xp_context = EXPAND_NOTHING;
#endif
goto cmdline_changed;
}
/* when more than one match, and 'wildmode' first contains
* "list", or no change and 'wildmode' contains "longest,list",
* list all matches */
if (res == OK && xpc.xp_numfiles > 1)
{
/* a "longest" that didn't do anything is skipped (but not
* "list:longest") */
if (wim_flags[0] == WIM_LONGEST && ccline.cmdpos == j)
wim_index = 1;
if ((wim_flags[wim_index] & WIM_LIST)
#ifdef FEAT_WILDMENU
|| (p_wmnu && (wim_flags[wim_index] & WIM_FULL) != 0)
#endif
)
{
if (!(wim_flags[0] & WIM_LONGEST))
{
#ifdef FEAT_WILDMENU
int p_wmnu_save = p_wmnu;
p_wmnu = 0;
#endif
/* remove match */
nextwild(&xpc, WILD_PREV, 0, firstc != '@');
#ifdef FEAT_WILDMENU
p_wmnu = p_wmnu_save;
#endif
}
#ifdef FEAT_WILDMENU
(void)showmatches(&xpc, p_wmnu
&& ((wim_flags[wim_index] & WIM_LIST) == 0));
#else
(void)showmatches(&xpc, FALSE);
#endif
redrawcmd();
did_wild_list = TRUE;
if (wim_flags[wim_index] & WIM_LONGEST)
nextwild(&xpc, WILD_LONGEST, WILD_NO_BEEP,
firstc != '@');
else if (wim_flags[wim_index] & WIM_FULL)
nextwild(&xpc, WILD_NEXT, WILD_NO_BEEP,
firstc != '@');
}
else
vim_beep(BO_WILD);
}
#ifdef FEAT_WILDMENU
else if (xpc.xp_numfiles == -1)
xpc.xp_context = EXPAND_NOTHING;
#endif
}
if (wim_index < 3)
++wim_index;
if (c == ESC)
gotesc = TRUE;
if (res == OK)
goto cmdline_changed;
}
gotesc = FALSE;
/* <S-Tab> goes to last match, in a clumsy way */
if (c == K_S_TAB && KeyTyped)
{
if (nextwild(&xpc, WILD_EXPAND_KEEP, 0, firstc != '@') == OK
&& nextwild(&xpc, WILD_PREV, 0, firstc != '@') == OK
&& nextwild(&xpc, WILD_PREV, 0, firstc != '@') == OK)
goto cmdline_changed;
}
if (c == NUL || c == K_ZERO) /* NUL is stored as NL */
c = NL;
do_abbr = TRUE; /* default: check for abbreviation */
/*
* Big switch for a typed command line character.
*/
switch (c)
{
case K_BS:
case Ctrl_H:
case K_DEL:
case K_KDEL:
case Ctrl_W:
#ifdef FEAT_FKMAP
if (cmd_fkmap && c == K_BS)
c = K_DEL;
#endif
if (c == K_KDEL)
c = K_DEL;
/*
* delete current character is the same as backspace on next
* character, except at end of line
*/
if (c == K_DEL && ccline.cmdpos != ccline.cmdlen)
++ccline.cmdpos;
#ifdef FEAT_MBYTE
if (has_mbyte && c == K_DEL)
ccline.cmdpos += mb_off_next(ccline.cmdbuff,
ccline.cmdbuff + ccline.cmdpos);
#endif
if (ccline.cmdpos > 0)
{
char_u *p;
j = ccline.cmdpos;
p = ccline.cmdbuff + j;
#ifdef FEAT_MBYTE
if (has_mbyte)
{
p = mb_prevptr(ccline.cmdbuff, p);
if (c == Ctrl_W)
{
while (p > ccline.cmdbuff && vim_isspace(*p))
p = mb_prevptr(ccline.cmdbuff, p);
i = mb_get_class(p);
while (p > ccline.cmdbuff && mb_get_class(p) == i)
p = mb_prevptr(ccline.cmdbuff, p);
if (mb_get_class(p) != i)
p += (*mb_ptr2len)(p);
}
}
else
#endif
if (c == Ctrl_W)
{
while (p > ccline.cmdbuff && vim_isspace(p[-1]))