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vim/src/cmdexpand.c
zeertzjq 3baf19a2b1
patch 9.1.0948: Missing cmdline completion for :pbuffer 
Problem:  Missing cmdline completion for :pbuffer.
Solution: Add cmdline completion for :pbuffer like :buffer.
          (zeertzjq)

fixes: #16250
closes: #16251

Signed-off-by: zeertzjq <zeertzjq@outlook.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
2024-12-19 20:05:28 +01:00

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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.
*/
/*
* cmdexpand.c: functions for command-line completion
*/
#include "vim.h"
static int cmd_showtail; // Only show path tail in lists ?
static int ExpandFromContext(expand_T *xp, char_u *, char_u ***, int *, int);
static char_u *showmatches_gettail(char_u *s);
static int expand_showtail(expand_T *xp);
static int expand_shellcmd(char_u *filepat, char_u ***matches, int *numMatches, int flagsarg);
#if defined(FEAT_EVAL)
static int ExpandUserDefined(char_u *pat, expand_T *xp, regmatch_T *regmatch, char_u ***matches, int *numMatches);
static int ExpandUserList(expand_T *xp, char_u ***matches, int *numMatches);
#endif
// "compl_match_array" points the currently displayed list of entries in the
// popup menu. It is NULL when there is no popup menu.
static pumitem_T *compl_match_array = NULL;
static int compl_match_arraysize;
// First column in cmdline of the matched item for completion.
static int compl_startcol;
static int compl_selected;
#define SHOW_MATCH(m) (showtail ? showmatches_gettail(matches[m]) : matches[m])
/*
* Returns TRUE if fuzzy completion is supported for a given cmdline completion
* context.
*/
static int
cmdline_fuzzy_completion_supported(expand_T *xp)
{
return (vim_strchr(p_wop, WOP_FUZZY) != NULL
&& xp->xp_context != EXPAND_BOOL_SETTINGS
&& xp->xp_context != EXPAND_COLORS
&& xp->xp_context != EXPAND_COMPILER
&& xp->xp_context != EXPAND_DIRECTORIES
&& xp->xp_context != EXPAND_DIRS_IN_CDPATH
&& xp->xp_context != EXPAND_FILES
&& xp->xp_context != EXPAND_FILES_IN_PATH
&& xp->xp_context != EXPAND_FILETYPE
&& xp->xp_context != EXPAND_FINDFUNC
&& xp->xp_context != EXPAND_HELP
&& xp->xp_context != EXPAND_KEYMAP
&& xp->xp_context != EXPAND_OLD_SETTING
&& xp->xp_context != EXPAND_STRING_SETTING
&& xp->xp_context != EXPAND_SETTING_SUBTRACT
&& xp->xp_context != EXPAND_OWNSYNTAX
&& xp->xp_context != EXPAND_PACKADD
&& xp->xp_context != EXPAND_RUNTIME
&& xp->xp_context != EXPAND_SHELLCMD
&& xp->xp_context != EXPAND_SHELLCMDLINE
&& xp->xp_context != EXPAND_TAGS
&& xp->xp_context != EXPAND_TAGS_LISTFILES
&& xp->xp_context != EXPAND_USER_LIST);
}
/*
* Returns TRUE if fuzzy completion for cmdline completion is enabled and
* 'fuzzystr' is not empty. If search pattern is empty, then don't use fuzzy
* matching.
*/
int
cmdline_fuzzy_complete(char_u *fuzzystr)
{
return vim_strchr(p_wop, WOP_FUZZY) != NULL && *fuzzystr != NUL;
}
/*
* sort function for the completion matches.
* <SNR> functions should be sorted to the end.
*/
static int
sort_func_compare(const void *s1, const void *s2)
{
char_u *p1 = *(char_u **)s1;
char_u *p2 = *(char_u **)s2;
if (*p1 != '<' && *p2 == '<') return -1;
if (*p1 == '<' && *p2 != '<') return 1;
return STRCMP(p1, p2);
}
/*
* Escape special characters in the cmdline completion matches.
*/
static void
wildescape(
expand_T *xp,
char_u *str,
int numfiles,
char_u **files)
{
char_u *p;
int vse_what = xp->xp_context == EXPAND_BUFFERS
? VSE_BUFFER : VSE_NONE;
if (xp->xp_context == EXPAND_FILES
|| xp->xp_context == EXPAND_FILES_IN_PATH
|| xp->xp_context == EXPAND_SHELLCMD
|| xp->xp_context == EXPAND_BUFFERS
|| xp->xp_context == EXPAND_DIRECTORIES
|| xp->xp_context == EXPAND_DIRS_IN_CDPATH)
{
// Insert a backslash into a file name before a space, \, %, #
// and wildmatch characters, except '~'.
for (int i = 0; i < numfiles; ++i)
{
// for ":set path=" we need to escape spaces twice
if (xp->xp_backslash & XP_BS_THREE)
{
char *pat = (xp->xp_backslash & XP_BS_COMMA) ? " ," : " ";
p = vim_strsave_escaped(files[i], (char_u *)pat);
if (p != NULL)
{
vim_free(files[i]);
files[i] = p;
#if defined(BACKSLASH_IN_FILENAME)
p = vim_strsave_escaped(files[i], (char_u *)" ");
if (p != NULL)
{
vim_free(files[i]);
files[i] = p;
}
#endif
}
}
else if (xp->xp_backslash & XP_BS_COMMA)
{
if (vim_strchr(files[i], ',') != NULL)
{
p = vim_strsave_escaped(files[i], (char_u *)",");
if (p != NULL)
{
vim_free(files[i]);
files[i] = p;
}
}
}
#ifdef BACKSLASH_IN_FILENAME
p = vim_strsave_fnameescape(files[i], vse_what);
#else
p = vim_strsave_fnameescape(files[i],
xp->xp_shell ? VSE_SHELL : vse_what);
#endif
if (p != NULL)
{
vim_free(files[i]);
files[i] = p;
}
// If 'str' starts with "\~", replace "~" at start of
// files[i] with "\~".
if (str[0] == '\\' && str[1] == '~' && files[i][0] == '~')
escape_fname(&files[i]);
}
xp->xp_backslash = XP_BS_NONE;
// If the first file starts with a '+' escape it. Otherwise it
// could be seen as "+cmd".
if (*files[0] == '+')
escape_fname(&files[0]);
}
else if (xp->xp_context == EXPAND_TAGS)
{
// Insert a backslash before characters in a tag name that
// would terminate the ":tag" command.
for (int i = 0; i < numfiles; ++i)
{
p = vim_strsave_escaped(files[i], (char_u *)"\\|\"");
if (p != NULL)
{
vim_free(files[i]);
files[i] = p;
}
}
}
}
/*
* Escape special characters in the cmdline completion matches.
*/
static void
ExpandEscape(
expand_T *xp,
char_u *str,
int numfiles,
char_u **files,
int options)
{
// May change home directory back to "~"
if (options & WILD_HOME_REPLACE)
tilde_replace(str, numfiles, files);
if (options & WILD_ESCAPE)
wildescape(xp, str, numfiles, files);
}
/*
* Return FAIL if this is not an appropriate context in which to do
* completion of anything, return OK if it is (even if there are no matches).
* For the caller, this means that the character is just passed through like a
* normal character (instead of being expanded). This allows :s/^I^D etc.
*/
int
nextwild(
expand_T *xp,
int type,
int options, // extra options for ExpandOne()
int escape) // if TRUE, escape the returned matches
{
cmdline_info_T *ccline = get_cmdline_info();
int i, j;
char_u *p1;
char_u *p2;
int difflen;
int v;
if (xp->xp_numfiles == -1)
{
set_expand_context(xp);
cmd_showtail = expand_showtail(xp);
}
if (xp->xp_context == EXPAND_UNSUCCESSFUL)
{
beep_flush();
return OK; // Something illegal on command line
}
if (xp->xp_context == EXPAND_NOTHING)
{
// Caller can use the character as a normal char instead
return FAIL;
}
// If cmd_silent is set then don't show the dots, because redrawcmd() below
// won't remove them.
if (!cmd_silent)
{
msg_puts("..."); // show that we are busy
out_flush();
}
i = (int)(xp->xp_pattern - ccline->cmdbuff);
xp->xp_pattern_len = ccline->cmdpos - i;
if (type == WILD_NEXT || type == WILD_PREV
|| type == WILD_PAGEUP || type == WILD_PAGEDOWN)
{
// Get next/previous match for a previous expanded pattern.
p2 = ExpandOne(xp, NULL, NULL, 0, type);
}
else
{
if (cmdline_fuzzy_completion_supported(xp))
// If fuzzy matching, don't modify the search string
p1 = vim_strnsave(xp->xp_pattern, xp->xp_pattern_len);
else
p1 = addstar(xp->xp_pattern, xp->xp_pattern_len, xp->xp_context);
// Translate string into pattern and expand it.
if (p1 == NULL)
p2 = NULL;
else
{
int use_options = options |
WILD_HOME_REPLACE|WILD_ADD_SLASH|WILD_SILENT;
if (escape)
use_options |= WILD_ESCAPE;
if (p_wic)
use_options += WILD_ICASE;
p2 = ExpandOne(xp, p1,
vim_strnsave(&ccline->cmdbuff[i], xp->xp_pattern_len),
use_options, type);
vim_free(p1);
// longest match: make sure it is not shorter, happens with :help
if (p2 != NULL && type == WILD_LONGEST)
{
for (j = 0; j < xp->xp_pattern_len; ++j)
if (ccline->cmdbuff[i + j] == '*'
|| ccline->cmdbuff[i + j] == '?')
break;
if ((int)STRLEN(p2) < j)
VIM_CLEAR(p2);
}
}
}
if (p2 != NULL && !got_int)
{
difflen = (int)STRLEN(p2) - xp->xp_pattern_len;
if (ccline->cmdlen + difflen + 4 > ccline->cmdbufflen)
{
v = realloc_cmdbuff(ccline->cmdlen + difflen + 4);
xp->xp_pattern = ccline->cmdbuff + i;
}
else
v = OK;
if (v == OK)
{
mch_memmove(&ccline->cmdbuff[ccline->cmdpos + difflen],
&ccline->cmdbuff[ccline->cmdpos],
(size_t)(ccline->cmdlen - ccline->cmdpos + 1));
mch_memmove(&ccline->cmdbuff[i], p2, STRLEN(p2));
ccline->cmdlen += difflen;
ccline->cmdpos += difflen;
}
}
vim_free(p2);
redrawcmd();
cursorcmd();
// When expanding a ":map" command and no matches are found, assume that
// the key is supposed to be inserted literally
if (xp->xp_context == EXPAND_MAPPINGS && p2 == NULL)
return FAIL;
if (xp->xp_numfiles <= 0 && p2 == NULL)
beep_flush();
else if (xp->xp_numfiles == 1)
// free expanded pattern
(void)ExpandOne(xp, NULL, NULL, 0, WILD_FREE);
return OK;
}
/*
* Create and display a cmdline completion popup menu with items from
* 'matches'.
*/
static int
cmdline_pum_create(
cmdline_info_T *ccline,
expand_T *xp,
char_u **matches,
int numMatches,
int showtail)
{
int i;
int columns;
// Add all the completion matches
compl_match_arraysize = numMatches;
compl_match_array = ALLOC_MULT(pumitem_T, compl_match_arraysize);
for (i = 0; i < numMatches; i++)
{
compl_match_array[i].pum_text = SHOW_MATCH(i);
compl_match_array[i].pum_info = NULL;
compl_match_array[i].pum_extra = NULL;
compl_match_array[i].pum_kind = NULL;
compl_match_array[i].pum_user_abbr_hlattr = -1;
compl_match_array[i].pum_user_kind_hlattr = -1;
}
// Compute the popup menu starting column
compl_startcol = vim_strsize(ccline->cmdbuff) + 1;
columns = vim_strsize(xp->xp_pattern);
if (showtail)
{
columns += vim_strsize(showmatches_gettail(matches[0]));
columns -= vim_strsize(matches[0]);
}
if (columns >= compl_startcol)
compl_startcol = 0;
else
compl_startcol -= columns;
// no default selection
compl_selected = -1;
cmdline_pum_display();
return EXPAND_OK;
}
/*
* Display the cmdline completion matches in a popup menu
*/
void
cmdline_pum_display(void)
{
pum_display(compl_match_array, compl_match_arraysize, compl_selected);
}
/*
* Returns TRUE if the cmdline completion popup menu is being displayed.
*/
int
cmdline_pum_active(void)
{
return pum_visible() && compl_match_array != NULL;
}
/*
* Remove the cmdline completion popup menu (if present), free the list of
* items and refresh the screen.
*/
void
cmdline_pum_remove(void)
{
int save_p_lz = p_lz;
int save_KeyTyped = KeyTyped;
pum_undisplay();
VIM_CLEAR(compl_match_array);
p_lz = FALSE; // avoid the popup menu hanging around
update_screen(0);
p_lz = save_p_lz;
redrawcmd();
// When a function is called (e.g. for 'foldtext') KeyTyped might be reset
// as a side effect.
KeyTyped = save_KeyTyped;
}
void
cmdline_pum_cleanup(cmdline_info_T *cclp)
{
cmdline_pum_remove();
wildmenu_cleanup(cclp);
}
/*
* Returns the starting column number to use for the cmdline completion popup
* menu.
*/
int
cmdline_compl_startcol(void)
{
return compl_startcol;
}
/*
* Returns the current cmdline completion pattern.
*/
char_u *
cmdline_compl_pattern(void)
{
expand_T *xp = get_cmdline_info()->xpc;
return xp == NULL ? NULL : xp->xp_orig;
}
/*
* Returns TRUE if fuzzy cmdline completion is active, FALSE otherwise.
*/
int
cmdline_compl_is_fuzzy(void)
{
expand_T *xp = get_cmdline_info()->xpc;
return xp != NULL && cmdline_fuzzy_completion_supported(xp);
}
/*
* Return the number of characters that should be skipped in a status match.
* These are backslashes used for escaping. Do show backslashes in help tags.
*/
static int
skip_status_match_char(expand_T *xp, char_u *s)
{
if ((rem_backslash(s) && xp->xp_context != EXPAND_HELP)
#ifdef FEAT_MENU
|| ((xp->xp_context == EXPAND_MENUS
|| xp->xp_context == EXPAND_MENUNAMES)
&& (s[0] == '\t' || (s[0] == '\\' && s[1] != NUL)))
#endif
)
{
#ifndef BACKSLASH_IN_FILENAME
if (xp->xp_shell && csh_like_shell() && s[1] == '\\' && s[2] == '!')
return 2;
#endif
return 1;
}
return 0;
}
/*
* Get the length of an item as it will be shown in the status line.
*/
static int
status_match_len(expand_T *xp, char_u *s)
{
int len = 0;
#ifdef FEAT_MENU
int emenu = xp->xp_context == EXPAND_MENUS
|| xp->xp_context == EXPAND_MENUNAMES;
// Check for menu separators - replace with '|'.
if (emenu && menu_is_separator(s))
return 1;
#endif
while (*s != NUL)
{
s += skip_status_match_char(xp, s);
len += ptr2cells(s);
MB_PTR_ADV(s);
}
return len;
}
/*
* Show wildchar matches in the status line.
* Show at least the "match" item.
* We start at item 'first_match' in the list and show all matches that fit.
*
* If inversion is possible we use it. Else '=' characters are used.
*/
static void
win_redr_status_matches(
expand_T *xp,
int num_matches,
char_u **matches, // list of matches
int match,
int showtail)
{
int row;
char_u *buf;
int len;
int clen; // length in screen cells
int fillchar;
int attr;
int i;
int highlight = TRUE;
char_u *selstart = NULL;
int selstart_col = 0;
char_u *selend = NULL;
static int first_match = 0;
int add_left = FALSE;
char_u *s;
#ifdef FEAT_MENU
int emenu;
#endif
int l;
if (matches == NULL) // interrupted completion?
return;
if (has_mbyte)
buf = alloc(Columns * MB_MAXBYTES + 1);
else
buf = alloc(Columns + 1);
if (buf == NULL)
return;
if (match == -1) // don't show match but original text
{
match = 0;
highlight = FALSE;
}
// count 1 for the ending ">"
clen = status_match_len(xp, SHOW_MATCH(match)) + 3;
if (match == 0)
first_match = 0;
else if (match < first_match)
{
// jumping left, as far as we can go
first_match = match;
add_left = TRUE;
}
else
{
// check if match fits on the screen
for (i = first_match; i < match; ++i)
clen += status_match_len(xp, SHOW_MATCH(i)) + 2;
if (first_match > 0)
clen += 2;
// jumping right, put match at the left
if ((long)clen > Columns)
{
first_match = match;
// if showing the last match, we can add some on the left
clen = 2;
for (i = match; i < num_matches; ++i)
{
clen += status_match_len(xp, SHOW_MATCH(i)) + 2;
if ((long)clen >= Columns)
break;
}
if (i == num_matches)
add_left = TRUE;
}
}
if (add_left)
while (first_match > 0)
{
clen += status_match_len(xp, SHOW_MATCH(first_match - 1)) + 2;
if ((long)clen >= Columns)
break;
--first_match;
}
fillchar = fillchar_status(&attr, curwin);
if (first_match == 0)
{
*buf = NUL;
len = 0;
}
else
{
STRCPY(buf, "< ");
len = 2;
}
clen = len;
i = first_match;
while ((long)(clen + status_match_len(xp, SHOW_MATCH(i)) + 2) < Columns)
{
if (i == match)
{
selstart = buf + len;
selstart_col = clen;
}
s = SHOW_MATCH(i);
// Check for menu separators - replace with '|'
#ifdef FEAT_MENU
emenu = (xp->xp_context == EXPAND_MENUS
|| xp->xp_context == EXPAND_MENUNAMES);
if (emenu && menu_is_separator(s))
{
STRCPY(buf + len, transchar('|'));
l = (int)STRLEN(buf + len);
len += l;
clen += l;
}
else
#endif
for ( ; *s != NUL; ++s)
{
s += skip_status_match_char(xp, s);
clen += ptr2cells(s);
if (has_mbyte && (l = (*mb_ptr2len)(s)) > 1)
{
STRNCPY(buf + len, s, l);
s += l - 1;
len += l;
}
else
{
STRCPY(buf + len, transchar_byte(*s));
len += (int)STRLEN(buf + len);
}
}
if (i == match)
selend = buf + len;
*(buf + len++) = ' ';
*(buf + len++) = ' ';
clen += 2;
if (++i == num_matches)
break;
}
if (i != num_matches)
{
*(buf + len++) = '>';
++clen;
}
buf[len] = NUL;
row = cmdline_row - 1;
if (row >= 0)
{
if (wild_menu_showing == 0)
{
if (msg_scrolled > 0)
{
// Put the wildmenu just above the command line. If there is
// no room, scroll the screen one line up.
if (cmdline_row == Rows - 1)
{
screen_del_lines(0, 0, 1, (int)Rows, TRUE, 0, NULL);
++msg_scrolled;
}
else
{
++cmdline_row;
++row;
}
wild_menu_showing = WM_SCROLLED;
}
else
{
// Create status line if needed by setting 'laststatus' to 2.
// Set 'winminheight' to zero to avoid that the window is
// resized.
if (lastwin->w_status_height == 0)
{
save_p_ls = p_ls;
save_p_wmh = p_wmh;
p_ls = 2;
p_wmh = 0;
last_status(FALSE);
}
wild_menu_showing = WM_SHOWN;
}
}
screen_puts(buf, row, 0, attr);
if (selstart != NULL && highlight)
{
*selend = NUL;
screen_puts(selstart, row, selstart_col, HL_ATTR(HLF_WM));
}
screen_fill(row, row + 1, clen, (int)Columns, fillchar, fillchar, attr);
}
win_redraw_last_status(topframe);
vim_free(buf);
}
/*
* Get the next or prev cmdline completion match. The index of the match is set
* in "xp->xp_selected"
*/
static char_u *
get_next_or_prev_match(
int mode,
expand_T *xp)
{
int findex = xp->xp_selected;
int ht;
if (xp->xp_numfiles <= 0)
return NULL;
if (mode == WILD_PREV)
{
if (findex == -1)
findex = xp->xp_numfiles;
--findex;
}
else if (mode == WILD_NEXT)
++findex;
else if (mode == WILD_PAGEUP)
{
if (findex == 0)
// at the first entry, don't select any entries
findex = -1;
else if (findex == -1)
// no entry is selected. select the last entry
findex = xp->xp_numfiles - 1;
else
{
// go up by the pum height
ht = pum_get_height();
if (ht > 3)
ht -= 2;
findex -= ht;
if (findex < 0)
// few entries left, select the first entry
findex = 0;
}
}
else // mode == WILD_PAGEDOWN
{
if (findex == xp->xp_numfiles - 1)
// at the last entry, don't select any entries
findex = -1;
else if (findex == -1)
// no entry is selected. select the first entry
findex = 0;
else
{
// go down by the pum height
ht = pum_get_height();
if (ht > 3)
ht -= 2;
findex += ht;
if (findex >= xp->xp_numfiles)
// few entries left, select the last entry
findex = xp->xp_numfiles - 1;
}
}
// When wrapping around, return the original string, set findex to -1.
if (findex < 0)
{
if (xp->xp_orig == NULL)
findex = xp->xp_numfiles - 1;
else
findex = -1;
}
if (findex >= xp->xp_numfiles)
{
if (xp->xp_orig == NULL)
findex = 0;
else
findex = -1;
}
if (compl_match_array)
{
compl_selected = findex;
cmdline_pum_display();
}
else if (p_wmnu)
win_redr_status_matches(xp, xp->xp_numfiles, xp->xp_files,
findex, cmd_showtail);
xp->xp_selected = findex;
if (findex == -1)
return vim_strsave(xp->xp_orig);
return vim_strsave(xp->xp_files[findex]);
}
/*
* Start the command-line expansion and get the matches.
*/
static char_u *
ExpandOne_start(int mode, expand_T *xp, char_u *str, int options)
{
int non_suf_match; // number without matching suffix
int i;
char_u *ss = NULL;
// Do the expansion.
if (ExpandFromContext(xp, str, &xp->xp_files, &xp->xp_numfiles,
options) == FAIL)
{
#ifdef FNAME_ILLEGAL
// Illegal file name has been silently skipped. But when there
// are wildcards, the real problem is that there was no match,
// causing the pattern to be added, which has illegal characters.
if (!(options & WILD_SILENT) && (options & WILD_LIST_NOTFOUND))
semsg(_(e_no_match_str_2), str);
#endif
}
else if (xp->xp_numfiles == 0)
{
if (!(options & WILD_SILENT))
semsg(_(e_no_match_str_2), str);
}
else
{
// Escape the matches for use on the command line.
ExpandEscape(xp, str, xp->xp_numfiles, xp->xp_files, options);
// Check for matching suffixes in file names.
if (mode != WILD_ALL && mode != WILD_ALL_KEEP && mode != WILD_LONGEST)
{
if (xp->xp_numfiles)
non_suf_match = xp->xp_numfiles;
else
non_suf_match = 1;
if ((xp->xp_context == EXPAND_FILES
|| xp->xp_context == EXPAND_DIRECTORIES)
&& xp->xp_numfiles > 1)
{
// More than one match; check suffix.
// The files will have been sorted on matching suffix in
// expand_wildcards, only need to check the first two.
non_suf_match = 0;
for (i = 0; i < 2; ++i)
if (match_suffix(xp->xp_files[i]))
++non_suf_match;
}
if (non_suf_match != 1)
{
// Can we ever get here unless it's while expanding
// interactively? If not, we can get rid of this all
// together. Don't really want to wait for this message
// (and possibly have to hit return to continue!).
if (!(options & WILD_SILENT))
emsg(_(e_too_many_file_names));
else if (!(options & WILD_NO_BEEP))
beep_flush();
}
if (!(non_suf_match != 1 && mode == WILD_EXPAND_FREE))
ss = vim_strsave(xp->xp_files[0]);
}
}
return ss;
}
/*
* Return the longest common part in the list of cmdline completion matches.
*/
static char_u *
find_longest_match(expand_T *xp, int options)
{
long_u len;
int mb_len = 1;
int c0, ci;
int i;
char_u *ss;
for (len = 0; xp->xp_files[0][len]; len += mb_len)
{
if (has_mbyte)
{
mb_len = (*mb_ptr2len)(&xp->xp_files[0][len]);
c0 =(* mb_ptr2char)(&xp->xp_files[0][len]);
}
else
c0 = xp->xp_files[0][len];
for (i = 1; i < xp->xp_numfiles; ++i)
{
if (has_mbyte)
ci =(* mb_ptr2char)(&xp->xp_files[i][len]);
else
ci = xp->xp_files[i][len];
if (p_fic && (xp->xp_context == EXPAND_DIRECTORIES
|| xp->xp_context == EXPAND_FILES
|| xp->xp_context == EXPAND_SHELLCMD
|| xp->xp_context == EXPAND_BUFFERS))
{
if (MB_TOLOWER(c0) != MB_TOLOWER(ci))
break;
}
else if (c0 != ci)
break;
}
if (i < xp->xp_numfiles)
{
if (!(options & WILD_NO_BEEP))
vim_beep(BO_WILD);
break;
}
}
ss = alloc(len + 1);
if (ss)
vim_strncpy(ss, xp->xp_files[0], (size_t)len);
return ss;
}
/*
* Do wildcard expansion on the string "str".
* Chars that should not be expanded must be preceded with a backslash.
* Return a pointer to allocated memory containing the new string.
* Return NULL for failure.
*
* "orig" is the originally expanded string, copied to allocated memory. It
* should either be kept in "xp->xp_orig" or freed. When "mode" is WILD_NEXT
* or WILD_PREV "orig" should be NULL.
*
* Results are cached in xp->xp_files and xp->xp_numfiles, except when "mode"
* is WILD_EXPAND_FREE or WILD_ALL.
*
* mode = WILD_FREE: just free previously expanded matches
* mode = WILD_EXPAND_FREE: normal expansion, do not keep matches
* mode = WILD_EXPAND_KEEP: normal expansion, keep matches
* mode = WILD_NEXT: use next match in multiple match, wrap to first
* mode = WILD_PREV: use previous match in multiple match, wrap to first
* mode = WILD_ALL: return all matches concatenated
* mode = WILD_LONGEST: return longest matched part
* mode = WILD_ALL_KEEP: get all matches, keep matches
* mode = WILD_APPLY: apply the item selected in the cmdline completion
* popup menu and close the menu.
* mode = WILD_CANCEL: cancel and close the cmdline completion popup and
* use the original text.
*
* options = WILD_LIST_NOTFOUND: list entries without a match
* options = WILD_HOME_REPLACE: do home_replace() for buffer names
* options = WILD_USE_NL: Use '\n' for WILD_ALL
* options = WILD_NO_BEEP: Don't beep for multiple matches
* options = WILD_ADD_SLASH: add a slash after directory names
* options = WILD_KEEP_ALL: don't remove 'wildignore' entries
* options = WILD_SILENT: don't print warning messages
* options = WILD_ESCAPE: put backslash before special chars
* options = WILD_ICASE: ignore case for files
* options = WILD_ALLLINKS; keep broken links
*
* The variables xp->xp_context and xp->xp_backslash must have been set!
*/
char_u *
ExpandOne(
expand_T *xp,
char_u *str,
char_u *orig, // allocated copy of original of expanded string
int options,
int mode)
{
char_u *ss = NULL;
int orig_saved = FALSE;
int i;
long_u len;
// first handle the case of using an old match
if (mode == WILD_NEXT || mode == WILD_PREV
|| mode == WILD_PAGEUP || mode == WILD_PAGEDOWN)
return get_next_or_prev_match(mode, xp);
if (mode == WILD_CANCEL)
ss = vim_strsave(xp->xp_orig ? xp->xp_orig : (char_u *)"");
else if (mode == WILD_APPLY)
ss = vim_strsave(xp->xp_selected == -1
? (xp->xp_orig ? xp->xp_orig : (char_u *)"")
: xp->xp_files[xp->xp_selected]);
// free old names
if (xp->xp_numfiles != -1 && mode != WILD_ALL && mode != WILD_LONGEST)
{
FreeWild(xp->xp_numfiles, xp->xp_files);
xp->xp_numfiles = -1;
VIM_CLEAR(xp->xp_orig);
// The entries from xp_files may be used in the PUM, remove it.
if (compl_match_array != NULL)
cmdline_pum_remove();
}
xp->xp_selected = 0;
if (mode == WILD_FREE) // only release file name
return NULL;
if (xp->xp_numfiles == -1 && mode != WILD_APPLY && mode != WILD_CANCEL)
{
vim_free(xp->xp_orig);
xp->xp_orig = orig;
orig_saved = TRUE;
ss = ExpandOne_start(mode, xp, str, options);
}
// Find longest common part
if (mode == WILD_LONGEST && xp->xp_numfiles > 0)
{
ss = find_longest_match(xp, options);
xp->xp_selected = -1; // next p_wc gets first one
}
// Concatenate all matching names. Unless interrupted, this can be slow
// and the result probably won't be used.
if (mode == WILD_ALL && xp->xp_numfiles > 0 && !got_int)
{
len = 0;
for (i = 0; i < xp->xp_numfiles; ++i)
{
if (i > 0)
{
if (xp->xp_prefix == XP_PREFIX_NO)
len += 2; // prefix "no"
else if (xp->xp_prefix == XP_PREFIX_INV)
len += 3; // prefix "inv"
}
len += (long_u)STRLEN(xp->xp_files[i]) + 1;
}
ss = alloc(len);
if (ss != NULL)
{
*ss = NUL;
for (i = 0; i < xp->xp_numfiles; ++i)
{
if (i > 0)
{
if (xp->xp_prefix == XP_PREFIX_NO)
STRCAT(ss, "no");
else if (xp->xp_prefix == XP_PREFIX_INV)
STRCAT(ss, "inv");
}
STRCAT(ss, xp->xp_files[i]);
if (i != xp->xp_numfiles - 1)
STRCAT(ss, (options & WILD_USE_NL) ? "\n" : " ");
}
}
}
if (mode == WILD_EXPAND_FREE || mode == WILD_ALL)
ExpandCleanup(xp);
// Free "orig" if it wasn't stored in "xp->xp_orig".
if (!orig_saved)
vim_free(orig);
return ss;
}
/*
* Prepare an expand structure for use.
*/
void
ExpandInit(expand_T *xp)
{
CLEAR_POINTER(xp);
xp->xp_backslash = XP_BS_NONE;
xp->xp_prefix = XP_PREFIX_NONE;
xp->xp_numfiles = -1;
}
/*
* Cleanup an expand structure after use.
*/
void
ExpandCleanup(expand_T *xp)
{
if (xp->xp_numfiles >= 0)
{
FreeWild(xp->xp_numfiles, xp->xp_files);
xp->xp_numfiles = -1;
}
VIM_CLEAR(xp->xp_orig);
}
/*
* Display one line of completion matches. Multiple matches are displayed in
* each line (used by wildmode=list and CTRL-D)
* matches - list of completion match names
* numMatches - number of completion matches in "matches"
* lines - number of output lines
* linenr - line number of matches to display
* maxlen - maximum number of characters in each line
* showtail - display only the tail of the full path of a file name
* dir_attr - highlight attribute to use for directory names
*/
static void
showmatches_oneline(
expand_T *xp,
char_u **matches,
int numMatches,
int lines,
int linenr,
int maxlen,
int showtail,
int dir_attr)
{
int i, j;
int isdir;
int lastlen;
char_u *p;
lastlen = 999;
for (j = linenr; j < numMatches; j += lines)
{
if (xp->xp_context == EXPAND_TAGS_LISTFILES)
{
msg_outtrans_attr(matches[j], HL_ATTR(HLF_D));
p = matches[j] + STRLEN(matches[j]) + 1;
msg_advance(maxlen + 1);
msg_puts((char *)p);
msg_advance(maxlen + 3);
msg_outtrans_long_attr(p + 2, HL_ATTR(HLF_D));
break;
}
for (i = maxlen - lastlen; --i >= 0; )
msg_putchar(' ');
if (xp->xp_context == EXPAND_FILES
|| xp->xp_context == EXPAND_SHELLCMD
|| xp->xp_context == EXPAND_BUFFERS)
{
// highlight directories
if (xp->xp_numfiles != -1)
{
char_u *halved_slash;
char_u *exp_path;
char_u *path;
// Expansion was done before and special characters
// were escaped, need to halve backslashes. Also
// $HOME has been replaced with ~/.
exp_path = expand_env_save_opt(matches[j], TRUE);
path = exp_path != NULL ? exp_path : matches[j];
halved_slash = backslash_halve_save(path);
isdir = mch_isdir(halved_slash != NULL ? halved_slash
: matches[j]);
vim_free(exp_path);
if (halved_slash != path)
vim_free(halved_slash);
}
else
// Expansion was done here, file names are literal.
isdir = mch_isdir(matches[j]);
if (showtail)
p = SHOW_MATCH(j);
else
{
home_replace(NULL, matches[j], NameBuff, MAXPATHL,
TRUE);
p = NameBuff;
}
}
else
{
isdir = FALSE;
p = SHOW_MATCH(j);
}
lastlen = msg_outtrans_attr(p, isdir ? dir_attr : 0);
}
if (msg_col > 0) // when not wrapped around
{
msg_clr_eos();
msg_putchar('\n');
}
out_flush(); // show one line at a time
}
/*
* Show all matches for completion on the command line.
* Returns EXPAND_NOTHING when the character that triggered expansion should
* be inserted like a normal character.
*/
int
showmatches(expand_T *xp, int wildmenu UNUSED)
{
cmdline_info_T *ccline = get_cmdline_info();
int numMatches;
char_u **matches;
int i, j;
int maxlen;
int lines;
int columns;
int attr;
int showtail;
if (xp->xp_numfiles == -1)
{
set_expand_context(xp);
i = expand_cmdline(xp, ccline->cmdbuff, ccline->cmdpos,
&numMatches, &matches);
showtail = expand_showtail(xp);
if (i != EXPAND_OK)
return i;
}
else
{
numMatches = xp->xp_numfiles;
matches = xp->xp_files;
showtail = cmd_showtail;
}
if (wildmenu && vim_strchr(p_wop, WOP_PUM) != NULL)
// cmdline completion popup menu (with wildoptions=pum)
return cmdline_pum_create(ccline, xp, matches, numMatches, showtail);
if (!wildmenu)
{
msg_didany = FALSE; // lines_left will be set
msg_start(); // prepare for paging
msg_putchar('\n');
out_flush();
cmdline_row = msg_row;
msg_didany = FALSE; // lines_left will be set again
msg_start(); // prepare for paging
}
if (got_int)
got_int = FALSE; // only int. the completion, not the cmd line
else if (wildmenu)
win_redr_status_matches(xp, numMatches, matches, -1, showtail);
else
{
// find the length of the longest file name
maxlen = 0;
for (i = 0; i < numMatches; ++i)
{
if (!showtail && (xp->xp_context == EXPAND_FILES
|| xp->xp_context == EXPAND_SHELLCMD
|| xp->xp_context == EXPAND_BUFFERS))
{
home_replace(NULL, matches[i], NameBuff, MAXPATHL, TRUE);
j = vim_strsize(NameBuff);
}
else
j = vim_strsize(SHOW_MATCH(i));
if (j > maxlen)
maxlen = j;
}
if (xp->xp_context == EXPAND_TAGS_LISTFILES)
lines = numMatches;
else
{
// compute the number of columns and lines for the listing
maxlen += 2; // two spaces between file names
columns = ((int)Columns + 2) / maxlen;
if (columns < 1)
columns = 1;
lines = (numMatches + columns - 1) / columns;
}
attr = HL_ATTR(HLF_D); // find out highlighting for directories
if (xp->xp_context == EXPAND_TAGS_LISTFILES)
{
msg_puts_attr(_("tagname"), HL_ATTR(HLF_T));
msg_clr_eos();
msg_advance(maxlen - 3);
msg_puts_attr(_(" kind file\n"), HL_ATTR(HLF_T));
}
// list the files line by line
for (i = 0; i < lines; ++i)
{
showmatches_oneline(xp, matches, numMatches, lines, i,
maxlen, showtail, attr);
if (got_int)
{
got_int = FALSE;
break;
}
}
// we redraw the command below the lines that we have just listed
// This is a bit tricky, but it saves a lot of screen updating.
cmdline_row = msg_row; // will put it back later
}
if (xp->xp_numfiles == -1)
FreeWild(numMatches, matches);
return EXPAND_OK;
}
/*
* gettail() version for showmatches() and win_redr_status_matches():
* Return the tail of file name path "s", ignoring a trailing "/".
*/
static char_u *
showmatches_gettail(char_u *s)
{
char_u *p;
char_u *t = s;
int had_sep = FALSE;
for (p = s; *p != NUL; )
{
if (vim_ispathsep(*p)
#ifdef BACKSLASH_IN_FILENAME
&& !rem_backslash(p)
#endif
)
had_sep = TRUE;
else if (had_sep)
{
t = p;
had_sep = FALSE;
}
MB_PTR_ADV(p);
}
return t;
}
/*
* Return TRUE if we only need to show the tail of completion matches.
* When not completing file names or there is a wildcard in the path FALSE is
* returned.
*/
static int
expand_showtail(expand_T *xp)
{
char_u *s;
char_u *end;
// When not completing file names a "/" may mean something different.
if (xp->xp_context != EXPAND_FILES
&& xp->xp_context != EXPAND_SHELLCMD
&& xp->xp_context != EXPAND_DIRECTORIES)
return FALSE;
end = gettail(xp->xp_pattern);
if (end == xp->xp_pattern) // there is no path separator
return FALSE;
for (s = xp->xp_pattern; s < end; s++)
{
// Skip escaped wildcards. Only when the backslash is not a path
// separator, on DOS the '*' "path\*\file" must not be skipped.
if (rem_backslash(s))
++s;
else if (vim_strchr((char_u *)"*?[", *s) != NULL)
return FALSE;
}
return TRUE;
}
/*
* Prepare a string for expansion.
* When expanding file names: The string will be used with expand_wildcards().
* Copy "fname[len]" into allocated memory and add a '*' at the end.
* When expanding other names: The string will be used with regcomp(). Copy
* the name into allocated memory and prepend "^".
*/
char_u *
addstar(
char_u *fname,
int len,
int context) // EXPAND_FILES etc.
{
char_u *retval;
int i, j;
int new_len;
char_u *tail;
int ends_in_star;
if (context != EXPAND_FILES
&& context != EXPAND_FILES_IN_PATH
&& context != EXPAND_SHELLCMD
&& context != EXPAND_DIRECTORIES
&& context != EXPAND_DIRS_IN_CDPATH)
{
// Matching will be done internally (on something other than files).
// So we convert the file-matching-type wildcards into our kind for
// use with vim_regcomp(). First work out how long it will be:
// For help tags the translation is done in find_help_tags().
// For a tag pattern starting with "/" no translation is needed.
if (context == EXPAND_FINDFUNC
|| context == EXPAND_HELP
|| context == EXPAND_COLORS
|| context == EXPAND_COMPILER
|| context == EXPAND_OWNSYNTAX
|| context == EXPAND_FILETYPE
|| context == EXPAND_KEYMAP
|| context == EXPAND_PACKADD
|| context == EXPAND_RUNTIME
|| ((context == EXPAND_TAGS_LISTFILES
|| context == EXPAND_TAGS)
&& fname[0] == '/'))
retval = vim_strnsave(fname, len);
else
{
new_len = len + 2; // +2 for '^' at start, NUL at end
for (i = 0; i < len; i++)
{
if (fname[i] == '*' || fname[i] == '~')
new_len++; // '*' needs to be replaced by ".*"
// '~' needs to be replaced by "\~"
// Buffer names are like file names. "." should be literal
if (context == EXPAND_BUFFERS && fname[i] == '.')
new_len++; // "." becomes "\."
// Custom expansion takes care of special things, match
// backslashes literally (perhaps also for other types?)
if ((context == EXPAND_USER_DEFINED
|| context == EXPAND_USER_LIST) && fname[i] == '\\')
new_len++; // '\' becomes "\\"
}
retval = alloc(new_len);
if (retval != NULL)
{
retval[0] = '^';
j = 1;
for (i = 0; i < len; i++, j++)
{
// Skip backslash. But why? At least keep it for custom
// expansion.
if (context != EXPAND_USER_DEFINED
&& context != EXPAND_USER_LIST
&& fname[i] == '\\'
&& ++i == len)
break;
switch (fname[i])
{
case '*': retval[j++] = '.';
break;
case '~': retval[j++] = '\\';
break;
case '?': retval[j] = '.';
continue;
case '.': if (context == EXPAND_BUFFERS)
retval[j++] = '\\';
break;
case '\\': if (context == EXPAND_USER_DEFINED
|| context == EXPAND_USER_LIST)
retval[j++] = '\\';
break;
}
retval[j] = fname[i];
}
retval[j] = NUL;
}
}
}
else
{
retval = alloc(len + 4);
if (retval != NULL)
{
vim_strncpy(retval, fname, len);
// Don't add a star to *, ~, ~user, $var or `cmd`.
// * would become **, which walks the whole tree.
// ~ would be at the start of the file name, but not the tail.
// $ could be anywhere in the tail.
// ` could be anywhere in the file name.
// When the name ends in '$' don't add a star, remove the '$'.
tail = gettail(retval);
ends_in_star = (len > 0 && retval[len - 1] == '*');
#ifndef BACKSLASH_IN_FILENAME
for (i = len - 2; i >= 0; --i)
{
if (retval[i] != '\\')
break;
ends_in_star = !ends_in_star;
}
#endif
if ((*retval != '~' || tail != retval)
&& !ends_in_star
&& vim_strchr(tail, '$') == NULL
&& vim_strchr(retval, '`') == NULL)
retval[len++] = '*';
else if (len > 0 && retval[len - 1] == '$')
--len;
retval[len] = NUL;
}
}
return retval;
}
/*
* Must parse the command line so far to work out what context we are in.
* Completion can then be done based on that context.
* This routine sets the variables:
* xp->xp_pattern The start of the pattern to be expanded within
* the command line (ends at the cursor).
* xp->xp_context The type of thing to expand. Will be one of:
*
* EXPAND_UNSUCCESSFUL Used sometimes when there is something illegal on
* the command line, like an unknown command. Caller
* should beep.
* EXPAND_NOTHING Unrecognised context for completion, use char like
* a normal char, rather than for completion. eg
* :s/^I/
* EXPAND_COMMANDS Cursor is still touching the command, so complete
* it.
* EXPAND_BUFFERS Complete file names for :buf and :sbuf commands.
* EXPAND_FILES After command with EX_XFILE set, or after setting
* with P_EXPAND set. eg :e ^I, :w>>^I
* EXPAND_DIRECTORIES In some cases this is used instead of the latter
* when we know only directories are of interest.
* E.g. :set dir=^I and :cd ^I
* EXPAND_SHELLCMD After ":!cmd", ":r !cmd" or ":w !cmd".
* EXPAND_SETTINGS Complete variable names. eg :set d^I
* EXPAND_BOOL_SETTINGS Complete boolean variables only, eg :set no^I
* EXPAND_TAGS Complete tags from the files in p_tags. eg :ta a^I
* EXPAND_TAGS_LISTFILES As above, but list filenames on ^D, after :tselect
* EXPAND_HELP Complete tags from the file 'helpfile'/tags
* EXPAND_EVENTS Complete event names
* EXPAND_SYNTAX Complete :syntax command arguments
* EXPAND_HIGHLIGHT Complete highlight (syntax) group names
* EXPAND_AUGROUP Complete autocommand group names
* EXPAND_USER_VARS Complete user defined variable names, eg :unlet a^I
* EXPAND_MAPPINGS Complete mapping and abbreviation names,
* eg :unmap a^I , :cunab x^I
* EXPAND_FUNCTIONS Complete internal or user defined function names,
* eg :call sub^I
* EXPAND_USER_FUNC Complete user defined function names, eg :delf F^I
* EXPAND_EXPRESSION Complete internal or user defined function/variable
* names in expressions, eg :while s^I
* EXPAND_ENV_VARS Complete environment variable names
* EXPAND_USER Complete user names
*/
void
set_expand_context(expand_T *xp)
{
cmdline_info_T *ccline = get_cmdline_info();
// only expansion for ':', '>' and '=' command-lines
if (ccline->cmdfirstc != ':'
#ifdef FEAT_EVAL
&& ccline->cmdfirstc != '>' && ccline->cmdfirstc != '='
&& !ccline->input_fn
#endif
)
{
xp->xp_context = EXPAND_NOTHING;
return;
}
set_cmd_context(xp, ccline->cmdbuff, ccline->cmdlen, ccline->cmdpos, TRUE);
}
/*
* Sets the index of a built-in or user defined command 'cmd' in eap->cmdidx.
* For user defined commands, the completion context is set in 'xp' and the
* completion flags in 'complp'.
*
* Returns a pointer to the text after the command or NULL for failure.
*/
static char_u *
set_cmd_index(char_u *cmd, exarg_T *eap, expand_T *xp, int *complp)
{
char_u *p = NULL;
int len = 0;
int fuzzy = cmdline_fuzzy_complete(cmd);
// Isolate the command and search for it in the command table.
// Exceptions:
// - the 'k' command can directly be followed by any character, but do
// accept "keepmarks", "keepalt" and "keepjumps". As fuzzy matching can
// find matches anywhere in the command name, do this only for command
// expansion based on regular expression and not for fuzzy matching.
// - the 's' command can be followed directly by 'c', 'g', 'i', 'I' or 'r'
if (!fuzzy && (*cmd == 'k' && cmd[1] != 'e'))
{
eap->cmdidx = CMD_k;
p = cmd + 1;
}
else
{
p = cmd;
while (ASCII_ISALPHA(*p) || *p == '*') // Allow * wild card
++p;
// A user command may contain digits.
// Include "9" for "vim9*" commands; "vim9cmd" and "vim9script".
if (ASCII_ISUPPER(cmd[0]) || STRNCMP("vim9", cmd, 4) == 0)
while (ASCII_ISALNUM(*p) || *p == '*')
++p;
// for python 3.x: ":py3*" commands completion
if (cmd[0] == 'p' && cmd[1] == 'y' && p == cmd + 2 && *p == '3')
{
++p;
while (ASCII_ISALPHA(*p) || *p == '*')
++p;
}
// check for non-alpha command
if (p == cmd && vim_strchr((char_u *)"@*!=><&~#", *p) != NULL)
++p;
len = (int)(p - cmd);
if (len == 0)
{
xp->xp_context = EXPAND_UNSUCCESSFUL;
return NULL;
}
eap->cmdidx = excmd_get_cmdidx(cmd, len);
// User defined commands support alphanumeric characters.
// Also when doing fuzzy expansion for non-shell commands, support
// alphanumeric characters.
if ((cmd[0] >= 'A' && cmd[0] <= 'Z')
|| (fuzzy && eap->cmdidx != CMD_bang && *p != NUL))
while (ASCII_ISALNUM(*p) || *p == '*') // Allow * wild card
++p;
}
// If the cursor is touching the command, and it ends in an alphanumeric
// character, complete the command name.
if (*p == NUL && ASCII_ISALNUM(p[-1]))
return NULL;
if (eap->cmdidx == CMD_SIZE)
{
if (*cmd == 's' && vim_strchr((char_u *)"cgriI", cmd[1]) != NULL)
{
eap->cmdidx = CMD_substitute;
p = cmd + 1;
}
else if (cmd[0] >= 'A' && cmd[0] <= 'Z')
{
eap->cmd = cmd;
p = find_ucmd(eap, p, NULL, xp, complp);
if (p == NULL)
eap->cmdidx = CMD_SIZE; // ambiguous user command
}
}
if (eap->cmdidx == CMD_SIZE)
{
// Not still touching the command and it was an illegal one
xp->xp_context = EXPAND_UNSUCCESSFUL;
return NULL;
}
return p;
}
/*
* Set the completion context for a command argument with wild card characters.
*/
static void
set_context_for_wildcard_arg(
exarg_T *eap,
char_u *arg,
int usefilter,
expand_T *xp,
int *complp)
{
char_u *p;
int c;
int in_quote = FALSE;
char_u *bow = NULL; // Beginning of word
int len = 0;
// Allow spaces within back-quotes to count as part of the argument
// being expanded.
xp->xp_pattern = skipwhite(arg);
p = xp->xp_pattern;
while (*p != NUL)
{
if (has_mbyte)
c = mb_ptr2char(p);
else
c = *p;
if (c == '\\' && p[1] != NUL)
++p;
else if (c == '`')
{
if (!in_quote)
{
xp->xp_pattern = p;
bow = p + 1;
}
in_quote = !in_quote;
}
// An argument can contain just about everything, except
// characters that end the command and white space.
else if (c == '|' || c == '\n' || c == '"' || (VIM_ISWHITE(c)
#ifdef SPACE_IN_FILENAME
&& (!(eap != NULL && (eap->argt & EX_NOSPC)) || usefilter)
#endif
))
{
len = 0; // avoid getting stuck when space is in 'isfname'
while (*p != NUL)
{
if (has_mbyte)
c = mb_ptr2char(p);
else
c = *p;
if (c == '`' || vim_isfilec_or_wc(c))
break;
if (has_mbyte)
len = (*mb_ptr2len)(p);
else
len = 1;
MB_PTR_ADV(p);
}
if (in_quote)
bow = p;
else
xp->xp_pattern = p;
p -= len;
}
MB_PTR_ADV(p);
}
// If we are still inside the quotes, and we passed a space, just
// expand from there.
if (bow != NULL && in_quote)
xp->xp_pattern = bow;
xp->xp_context = EXPAND_FILES;
// For a shell command more chars need to be escaped.
if (usefilter
|| (eap != NULL
&& (eap->cmdidx == CMD_bang || eap->cmdidx == CMD_terminal))
|| *complp == EXPAND_SHELLCMDLINE)
{
#ifndef BACKSLASH_IN_FILENAME
xp->xp_shell = TRUE;
#endif
// When still after the command name expand executables.
if (xp->xp_pattern == skipwhite(arg))
xp->xp_context = EXPAND_SHELLCMD;
}
// Check for environment variable.
if (*xp->xp_pattern == '$')
{
for (p = xp->xp_pattern + 1; *p != NUL; ++p)
if (!vim_isIDc(*p))
break;
if (*p == NUL)
{
xp->xp_context = EXPAND_ENV_VARS;
++xp->xp_pattern;
// Avoid that the assignment uses EXPAND_FILES again.
if (*complp != EXPAND_USER_DEFINED && *complp != EXPAND_USER_LIST)
*complp = EXPAND_ENV_VARS;
}
}
// Check for user names.
if (*xp->xp_pattern == '~')
{
for (p = xp->xp_pattern + 1; *p != NUL && *p != '/'; ++p)
;
// Complete ~user only if it partially matches a user name.
// A full match ~user<Tab> will be replaced by user's home
// directory i.e. something like ~user<Tab> -> /home/user/
if (*p == NUL && p > xp->xp_pattern + 1
&& match_user(xp->xp_pattern + 1) >= 1)
{
xp->xp_context = EXPAND_USER;
++xp->xp_pattern;
}
}
}
/*
* Set the completion context for the "++opt=arg" argument. Always returns
* NULL.
*/
static char_u *
set_context_in_argopt(expand_T *xp, char_u *arg)
{
char_u *p;
p = vim_strchr(arg, '=');
if (p == NULL)
xp->xp_pattern = arg;
else
xp->xp_pattern = p + 1;
xp->xp_context = EXPAND_ARGOPT;
return NULL;
}
#ifdef FEAT_TERMINAL
/*
* Set the completion context for :terminal's [options]. Always returns NULL.
*/
static char_u *
set_context_in_terminalopt(expand_T *xp, char_u *arg)
{
char_u *p;
p = vim_strchr(arg, '=');
if (p == NULL)
xp->xp_pattern = arg;
else
xp->xp_pattern = p + 1;
xp->xp_context = EXPAND_TERMINALOPT;
return NULL;
}
#endif
/*
* Set the completion context for the :filter command. Returns a pointer to the
* next command after the :filter command.
*/
static char_u *
set_context_in_filter_cmd(expand_T *xp, char_u *arg)
{
if (*arg != NUL)
arg = skip_vimgrep_pat(arg, NULL, NULL);
if (arg == NULL || *arg == NUL)
{
xp->xp_context = EXPAND_NOTHING;
return NULL;
}
return skipwhite(arg);
}
#ifdef FEAT_SEARCH_EXTRA
/*
* Set the completion context for the :match command. Returns a pointer to the
* next command after the :match command.
*/
static char_u *
set_context_in_match_cmd(expand_T *xp, char_u *arg)
{
if (*arg == NUL || !ends_excmd(*arg))
{
// also complete "None"
set_context_in_echohl_cmd(xp, arg);
arg = skipwhite(skiptowhite(arg));
if (*arg != NUL)
{
xp->xp_context = EXPAND_NOTHING;
arg = skip_regexp(arg + 1, *arg, magic_isset());
}
}
return find_nextcmd(arg);
}
#endif
/*
* Returns a pointer to the next command after a :global or a :v command.
* Returns NULL if there is no next command.
*/
static char_u *
find_cmd_after_global_cmd(char_u *arg)
{
int delim;
delim = *arg; // get the delimiter
if (delim)
++arg; // skip delimiter if there is one
while (arg[0] != NUL && arg[0] != delim)
{
if (arg[0] == '\\' && arg[1] != NUL)
++arg;
++arg;
}
if (arg[0] != NUL)
return arg + 1;
return NULL;
}
/*
* Returns a pointer to the next command after a :substitute or a :& command.
* Returns NULL if there is no next command.
*/
static char_u *
find_cmd_after_substitute_cmd(char_u *arg)
{
int delim;
delim = *arg;
if (delim)
{
// skip "from" part
++arg;
arg = skip_regexp(arg, delim, magic_isset());
if (arg[0] != NUL && arg[0] == delim)
{
// skip "to" part
++arg;
while (arg[0] != NUL && arg[0] != delim)
{
if (arg[0] == '\\' && arg[1] != NUL)
++arg;
++arg;
}
if (arg[0] != NUL) // skip delimiter
++arg;
}
}
while (arg[0] && vim_strchr((char_u *)"|\"#", arg[0]) == NULL)
++arg;
if (arg[0] != NUL)
return arg;
return NULL;
}
/*
* Returns a pointer to the next command after a :isearch/:dsearch/:ilist
* :dlist/:ijump/:psearch/:djump/:isplit/:dsplit command.
* Returns NULL if there is no next command.
*/
static char_u *
find_cmd_after_isearch_cmd(expand_T *xp, char_u *arg)
{
arg = skipwhite(skipdigits(arg)); // skip count
if (*arg != '/')
return NULL;
// Match regexp, not just whole words
for (++arg; *arg && *arg != '/'; arg++)
if (*arg == '\\' && arg[1] != NUL)
arg++;
if (*arg)
{
arg = skipwhite(arg + 1);
// Check for trailing illegal characters
if (*arg == NUL || vim_strchr((char_u *)"|\"\n", *arg) == NULL)
xp->xp_context = EXPAND_NOTHING;
else
return arg;
}
return NULL;
}
#ifdef FEAT_EVAL
/*
* Set the completion context for the :unlet command. Always returns NULL.
*/
static char_u *
set_context_in_unlet_cmd(expand_T *xp, char_u *arg)
{
while ((xp->xp_pattern = vim_strchr(arg, ' ')) != NULL)
arg = xp->xp_pattern + 1;
xp->xp_context = EXPAND_USER_VARS;
xp->xp_pattern = arg;
if (*xp->xp_pattern == '$')
{
xp->xp_context = EXPAND_ENV_VARS;
++xp->xp_pattern;
}
return NULL;
}
#endif
#if defined(HAVE_LOCALE_H) || defined(X_LOCALE)
/*
* Set the completion context for the :language command. Always returns NULL.
*/
static char_u *
set_context_in_lang_cmd(expand_T *xp, char_u *arg)
{
char_u *p;
p = skiptowhite(arg);
if (*p == NUL)
{
xp->xp_context = EXPAND_LANGUAGE;
xp->xp_pattern = arg;
}
else
{
if ( STRNCMP(arg, "messages", p - arg) == 0
|| STRNCMP(arg, "ctype", p - arg) == 0
|| STRNCMP(arg, "time", p - arg) == 0
|| STRNCMP(arg, "collate", p - arg) == 0)
{
xp->xp_context = EXPAND_LOCALES;
xp->xp_pattern = skipwhite(p);
}
else
xp->xp_context = EXPAND_NOTHING;
}
return NULL;
}
#endif
#ifdef FEAT_EVAL
static enum
{
EXP_BREAKPT_ADD, // expand ":breakadd" sub-commands
EXP_BREAKPT_DEL, // expand ":breakdel" sub-commands
EXP_PROFDEL // expand ":profdel" sub-commands
} breakpt_expand_what;
/*
* Set the completion context for the :breakadd command. Always returns NULL.
*/
static char_u *
set_context_in_breakadd_cmd(expand_T *xp, char_u *arg, cmdidx_T cmdidx)
{
char_u *p;
char_u *subcmd_start;
xp->xp_context = EXPAND_BREAKPOINT;
xp->xp_pattern = arg;
if (cmdidx == CMD_breakadd)
breakpt_expand_what = EXP_BREAKPT_ADD;
else if (cmdidx == CMD_breakdel)
breakpt_expand_what = EXP_BREAKPT_DEL;
else
breakpt_expand_what = EXP_PROFDEL;
p = skipwhite(arg);
if (*p == NUL)
return NULL;
subcmd_start = p;
if (STRNCMP("file ", p, 5) == 0 || STRNCMP("func ", p, 5) == 0)
{
// :breakadd file [lnum] <filename>
// :breakadd func [lnum] <funcname>
p += 4;
p = skipwhite(p);
// skip line number (if specified)
if (VIM_ISDIGIT(*p))
{
p = skipdigits(p);
if (*p != ' ')
{
xp->xp_context = EXPAND_NOTHING;
return NULL;
}
p = skipwhite(p);
}
if (STRNCMP("file", subcmd_start, 4) == 0)
xp->xp_context = EXPAND_FILES;
else
xp->xp_context = EXPAND_USER_FUNC;
xp->xp_pattern = p;
}
else if (STRNCMP("expr ", p, 5) == 0)
{
// :breakadd expr <expression>
xp->xp_context = EXPAND_EXPRESSION;
xp->xp_pattern = skipwhite(p + 5);
}
return NULL;
}
static char_u *
set_context_in_scriptnames_cmd(expand_T *xp, char_u *arg)
{
char_u *p;
xp->xp_context = EXPAND_NOTHING;
xp->xp_pattern = NULL;
p = skipwhite(arg);
if (VIM_ISDIGIT(*p))
return NULL;
xp->xp_context = EXPAND_SCRIPTNAMES;
xp->xp_pattern = p;
return NULL;
}
#endif
/*
* Set the completion context in 'xp' for command 'cmd' with index 'cmdidx'.
* The argument to the command is 'arg' and the argument flags is 'argt'.
* For user-defined commands and for environment variables, 'compl' has the
* completion type.
* Returns a pointer to the next command. Returns NULL if there is no next
* command.
*/
static char_u *
set_context_by_cmdname(
char_u *cmd,
cmdidx_T cmdidx,
expand_T *xp,
char_u *arg,
long argt,
int compl,
int forceit)
{
switch (cmdidx)
{
case CMD_find:
case CMD_sfind:
case CMD_tabfind:
if (xp->xp_context == EXPAND_FILES)
xp->xp_context = *get_findfunc() != NUL ? EXPAND_FINDFUNC
: EXPAND_FILES_IN_PATH;
break;
case CMD_cd:
case CMD_chdir:
case CMD_tcd:
case CMD_tchdir:
case CMD_lcd:
case CMD_lchdir:
if (xp->xp_context == EXPAND_FILES)
xp->xp_context = EXPAND_DIRS_IN_CDPATH;
break;
case CMD_help:
xp->xp_context = EXPAND_HELP;
xp->xp_pattern = arg;
break;
// Command modifiers: return the argument.
// Also for commands with an argument that is a command.
case CMD_aboveleft:
case CMD_argdo:
case CMD_belowright:
case CMD_botright:
case CMD_browse:
case CMD_bufdo:
case CMD_cdo:
case CMD_cfdo:
case CMD_confirm:
case CMD_debug:
case CMD_folddoclosed:
case CMD_folddoopen:
case CMD_hide:
case CMD_horizontal:
case CMD_keepalt:
case CMD_keepjumps:
case CMD_keepmarks:
case CMD_keeppatterns:
case CMD_ldo:
case CMD_leftabove:
case CMD_lfdo:
case CMD_lockmarks:
case CMD_noautocmd:
case CMD_noswapfile:
case CMD_rightbelow:
case CMD_sandbox:
case CMD_silent:
case CMD_tab:
case CMD_tabdo:
case CMD_topleft:
case CMD_verbose:
case CMD_vertical:
case CMD_windo:
case CMD_vim9cmd:
case CMD_legacy:
return arg;
case CMD_filter:
return set_context_in_filter_cmd(xp, arg);
#ifdef FEAT_SEARCH_EXTRA
case CMD_match:
return set_context_in_match_cmd(xp, arg);
#endif
// All completion for the +cmdline_compl feature goes here.
case CMD_command:
return set_context_in_user_cmd(xp, arg);
case CMD_delcommand:
xp->xp_context = EXPAND_USER_COMMANDS;
xp->xp_pattern = arg;
break;
case CMD_global:
case CMD_vglobal:
return find_cmd_after_global_cmd(arg);
case CMD_and:
case CMD_substitute:
return find_cmd_after_substitute_cmd(arg);
case CMD_isearch:
case CMD_dsearch:
case CMD_ilist:
case CMD_dlist:
case CMD_ijump:
case CMD_psearch:
case CMD_djump:
case CMD_isplit:
case CMD_dsplit:
return find_cmd_after_isearch_cmd(xp, arg);
case CMD_autocmd:
return set_context_in_autocmd(xp, arg, FALSE);
case CMD_doautocmd:
case CMD_doautoall:
return set_context_in_autocmd(xp, arg, TRUE);
case CMD_set:
set_context_in_set_cmd(xp, arg, 0);
break;
case CMD_setglobal:
set_context_in_set_cmd(xp, arg, OPT_GLOBAL);
break;
case CMD_setlocal:
set_context_in_set_cmd(xp, arg, OPT_LOCAL);
break;
case CMD_tag:
case CMD_stag:
case CMD_ptag:
case CMD_ltag:
case CMD_tselect:
case CMD_stselect:
case CMD_ptselect:
case CMD_tjump:
case CMD_stjump:
case CMD_ptjump:
if (vim_strchr(p_wop, WOP_TAGFILE) != NULL)
xp->xp_context = EXPAND_TAGS_LISTFILES;
else
xp->xp_context = EXPAND_TAGS;
xp->xp_pattern = arg;
break;
case CMD_augroup:
xp->xp_context = EXPAND_AUGROUP;
xp->xp_pattern = arg;
break;
#ifdef FEAT_SYN_HL
case CMD_syntax:
set_context_in_syntax_cmd(xp, arg);
break;
#endif
#ifdef FEAT_EVAL
case CMD_final:
case CMD_const:
case CMD_let:
case CMD_var:
case CMD_if:
case CMD_elseif:
case CMD_while:
case CMD_for:
case CMD_echo:
case CMD_echon:
case CMD_execute:
case CMD_echomsg:
case CMD_echoerr:
case CMD_call:
case CMD_return:
case CMD_cexpr:
case CMD_caddexpr:
case CMD_cgetexpr:
case CMD_lexpr:
case CMD_laddexpr:
case CMD_lgetexpr:
set_context_for_expression(xp, arg, cmdidx);
break;
case CMD_unlet:
return set_context_in_unlet_cmd(xp, arg);
case CMD_function:
case CMD_delfunction:
xp->xp_context = EXPAND_USER_FUNC;
xp->xp_pattern = arg;
break;
case CMD_disassemble:
set_context_in_disassemble_cmd(xp, arg);
break;
case CMD_echohl:
set_context_in_echohl_cmd(xp, arg);
break;
#endif
case CMD_highlight:
set_context_in_highlight_cmd(xp, arg);
break;
#ifdef FEAT_CSCOPE
case CMD_cscope:
case CMD_lcscope:
case CMD_scscope:
set_context_in_cscope_cmd(xp, arg, cmdidx);
break;
#endif
#ifdef FEAT_SIGNS
case CMD_sign:
set_context_in_sign_cmd(xp, arg);
break;
#endif
case CMD_bdelete:
case CMD_bwipeout:
case CMD_bunload:
while ((xp->xp_pattern = vim_strchr(arg, ' ')) != NULL)
arg = xp->xp_pattern + 1;
// FALLTHROUGH
case CMD_buffer:
case CMD_sbuffer:
case CMD_pbuffer:
case CMD_checktime:
xp->xp_context = EXPAND_BUFFERS;
xp->xp_pattern = arg;
break;
#ifdef FEAT_DIFF
case CMD_diffget:
case CMD_diffput:
// If current buffer is in diff mode, complete buffer names
// which are in diff mode, and different than current buffer.
xp->xp_context = EXPAND_DIFF_BUFFERS;
xp->xp_pattern = arg;
break;
#endif
case CMD_USER:
case CMD_USER_BUF:
return set_context_in_user_cmdarg(cmd, arg, argt, compl, xp,
forceit);
case CMD_map: case CMD_noremap:
case CMD_nmap: case CMD_nnoremap:
case CMD_vmap: case CMD_vnoremap:
case CMD_omap: case CMD_onoremap:
case CMD_imap: case CMD_inoremap:
case CMD_cmap: case CMD_cnoremap:
case CMD_lmap: case CMD_lnoremap:
case CMD_smap: case CMD_snoremap:
case CMD_tmap: case CMD_tnoremap:
case CMD_xmap: case CMD_xnoremap:
return set_context_in_map_cmd(xp, cmd, arg, forceit,
FALSE, FALSE, cmdidx);
case CMD_unmap:
case CMD_nunmap:
case CMD_vunmap:
case CMD_ounmap:
case CMD_iunmap:
case CMD_cunmap:
case CMD_lunmap:
case CMD_sunmap:
case CMD_tunmap:
case CMD_xunmap:
return set_context_in_map_cmd(xp, cmd, arg, forceit,
FALSE, TRUE, cmdidx);
case CMD_mapclear:
case CMD_nmapclear:
case CMD_vmapclear:
case CMD_omapclear:
case CMD_imapclear:
case CMD_cmapclear:
case CMD_lmapclear:
case CMD_smapclear:
case CMD_tmapclear:
case CMD_xmapclear:
xp->xp_context = EXPAND_MAPCLEAR;
xp->xp_pattern = arg;
break;
case CMD_abbreviate: case CMD_noreabbrev:
case CMD_cabbrev: case CMD_cnoreabbrev:
case CMD_iabbrev: case CMD_inoreabbrev:
return set_context_in_map_cmd(xp, cmd, arg, forceit,
TRUE, FALSE, cmdidx);
case CMD_unabbreviate:
case CMD_cunabbrev:
case CMD_iunabbrev:
return set_context_in_map_cmd(xp, cmd, arg, forceit,
TRUE, TRUE, cmdidx);
#ifdef FEAT_MENU
case CMD_menu: case CMD_noremenu: case CMD_unmenu:
case CMD_amenu: case CMD_anoremenu: case CMD_aunmenu:
case CMD_nmenu: case CMD_nnoremenu: case CMD_nunmenu:
case CMD_vmenu: case CMD_vnoremenu: case CMD_vunmenu:
case CMD_omenu: case CMD_onoremenu: case CMD_ounmenu:
case CMD_imenu: case CMD_inoremenu: case CMD_iunmenu:
case CMD_cmenu: case CMD_cnoremenu: case CMD_cunmenu:
case CMD_tlmenu: case CMD_tlnoremenu: case CMD_tlunmenu:
case CMD_tmenu: case CMD_tunmenu:
case CMD_popup: case CMD_tearoff: case CMD_emenu:
return set_context_in_menu_cmd(xp, cmd, arg, forceit);
#endif
case CMD_colorscheme:
xp->xp_context = EXPAND_COLORS;
xp->xp_pattern = arg;
break;
case CMD_compiler:
xp->xp_context = EXPAND_COMPILER;
xp->xp_pattern = arg;
break;
case CMD_ownsyntax:
xp->xp_context = EXPAND_OWNSYNTAX;
xp->xp_pattern = arg;
break;
case CMD_setfiletype:
xp->xp_context = EXPAND_FILETYPE;
xp->xp_pattern = arg;
break;
case CMD_packadd:
xp->xp_context = EXPAND_PACKADD;
xp->xp_pattern = arg;
break;
case CMD_runtime:
set_context_in_runtime_cmd(xp, arg);
break;
#if defined(HAVE_LOCALE_H) || defined(X_LOCALE)
case CMD_language:
return set_context_in_lang_cmd(xp, arg);
#endif
#if defined(FEAT_PROFILE)
case CMD_profile:
set_context_in_profile_cmd(xp, arg);
break;
#endif
case CMD_behave:
xp->xp_context = EXPAND_BEHAVE;
xp->xp_pattern = arg;
break;
case CMD_messages:
xp->xp_context = EXPAND_MESSAGES;
xp->xp_pattern = arg;
break;
case CMD_history:
xp->xp_context = EXPAND_HISTORY;
xp->xp_pattern = arg;
break;
#if defined(FEAT_PROFILE)
case CMD_syntime:
xp->xp_context = EXPAND_SYNTIME;
xp->xp_pattern = arg;
break;
#endif
case CMD_argdelete:
while ((xp->xp_pattern = vim_strchr(arg, ' ')) != NULL)
arg = xp->xp_pattern + 1;
xp->xp_context = EXPAND_ARGLIST;
xp->xp_pattern = arg;
break;
#ifdef FEAT_EVAL
case CMD_breakadd:
case CMD_profdel:
case CMD_breakdel:
return set_context_in_breakadd_cmd(xp, arg, cmdidx);
case CMD_scriptnames:
return set_context_in_scriptnames_cmd(xp, arg);
#endif
default:
break;
}
return NULL;
}
/*
* This is all pretty much copied from do_one_cmd(), with all the extra stuff
* we don't need/want deleted. Maybe this could be done better if we didn't
* repeat all this stuff. The only problem is that they may not stay
* perfectly compatible with each other, but then the command line syntax
* probably won't change that much -- webb.
*/
static char_u *
set_one_cmd_context(
expand_T *xp,
char_u *buff) // buffer for command string
{
char_u *p;
char_u *cmd, *arg;
int len = 0;
exarg_T ea;
int compl = EXPAND_NOTHING;
int forceit = FALSE;
int usefilter = FALSE; // filter instead of file name
ExpandInit(xp);
xp->xp_pattern = buff;
xp->xp_line = buff;
xp->xp_context = EXPAND_COMMANDS; // Default until we get past command
ea.argt = 0;
// 1. skip comment lines and leading space, colons or bars
for (cmd = buff; vim_strchr((char_u *)" \t:|", *cmd) != NULL; cmd++)
;
xp->xp_pattern = cmd;
if (*cmd == NUL)
return NULL;
if (*cmd == '"') // ignore comment lines
{
xp->xp_context = EXPAND_NOTHING;
return NULL;
}
// 3. Skip over the range to find the command.
cmd = skip_range(cmd, TRUE, &xp->xp_context);
xp->xp_pattern = cmd;
if (*cmd == NUL)
return NULL;
if (*cmd == '"')
{
xp->xp_context = EXPAND_NOTHING;
return NULL;
}
if (*cmd == '|' || *cmd == '\n')
return cmd + 1; // There's another command
// Get the command index.
p = set_cmd_index(cmd, &ea, xp, &compl);
if (p == NULL)
return NULL;
xp->xp_context = EXPAND_NOTHING; // Default now that we're past command
if (*p == '!') // forced commands
{
forceit = TRUE;
++p;
}
// 6. parse arguments
if (!IS_USER_CMDIDX(ea.cmdidx))
ea.argt = excmd_get_argt(ea.cmdidx);
arg = skipwhite(p);
// Does command allow "++argopt" argument?
if ((ea.argt & EX_ARGOPT) || ea.cmdidx == CMD_terminal)
{
while (*arg != NUL && STRNCMP(arg, "++", 2) == 0)
{
p = arg + 2;
while (*p && !vim_isspace(*p))
MB_PTR_ADV(p);
// Still touching the command after "++"?
if (*p == NUL)
{
if (ea.argt & EX_ARGOPT)
return set_context_in_argopt(xp, arg + 2);
#ifdef FEAT_TERMINAL
if (ea.cmdidx == CMD_terminal)
return set_context_in_terminalopt(xp, arg + 2);
#endif
}
arg = skipwhite(p);
}
}
if (ea.cmdidx == CMD_write || ea.cmdidx == CMD_update)
{
if (*arg == '>') // append
{
if (*++arg == '>')
++arg;
arg = skipwhite(arg);
}
else if (*arg == '!' && ea.cmdidx == CMD_write) // :w !filter
{
++arg;
usefilter = TRUE;
}
}
if (ea.cmdidx == CMD_read)
{
usefilter = forceit; // :r! filter if forced
if (*arg == '!') // :r !filter
{
++arg;
usefilter = TRUE;
}
}
if (ea.cmdidx == CMD_lshift || ea.cmdidx == CMD_rshift)
{
while (*arg == *cmd) // allow any number of '>' or '<'
++arg;
arg = skipwhite(arg);
}
// Does command allow "+command"?
if ((ea.argt & EX_CMDARG) && !usefilter && *arg == '+')
{
// Check if we're in the +command
p = arg + 1;
arg = skip_cmd_arg(arg, FALSE);
// Still touching the command after '+'?
if (*arg == NUL)
return p;
// Skip space(s) after +command to get to the real argument
arg = skipwhite(arg);
}
// Check for '|' to separate commands and '"' to start comments.
// Don't do this for ":read !cmd" and ":write !cmd".
if ((ea.argt & EX_TRLBAR) && !usefilter)
{
p = arg;
// ":redir @" is not the start of a comment
if (ea.cmdidx == CMD_redir && p[0] == '@' && p[1] == '"')
p += 2;
while (*p)
{
if (*p == Ctrl_V)
{
if (p[1] != NUL)
++p;
}
else if ( (*p == '"' && !(ea.argt & EX_NOTRLCOM))
|| *p == '|' || *p == '\n')
{
if (*(p - 1) != '\\')
{
if (*p == '|' || *p == '\n')
return p + 1;
return NULL; // It's a comment
}
}
MB_PTR_ADV(p);
}
}
if (!(ea.argt & EX_EXTRA) && *arg != NUL
&& vim_strchr((char_u *)"|\"", *arg) == NULL)
// no arguments allowed but there is something
return NULL;
// Find start of last argument (argument just before cursor):
p = buff;
xp->xp_pattern = p;
len = (int)STRLEN(buff);
while (*p && p < buff + len)
{
if (*p == ' ' || *p == TAB)
{
// argument starts after a space
xp->xp_pattern = ++p;
}
else
{
if (*p == '\\' && *(p + 1) != NUL)
++p; // skip over escaped character
MB_PTR_ADV(p);
}
}
if (ea.argt & EX_XFILE)
set_context_for_wildcard_arg(&ea, arg, usefilter, xp, &compl);
// 6. Switch on command name.
return set_context_by_cmdname(cmd, ea.cmdidx, xp, arg, ea.argt, compl,
forceit);
}
/*
* Set the completion context in 'xp' for command 'str'
*/
void
set_cmd_context(
expand_T *xp,
char_u *str, // start of command line
int len, // length of command line (excl. NUL)
int col, // position of cursor
int use_ccline UNUSED) // use ccline for info
{
#ifdef FEAT_EVAL
cmdline_info_T *ccline = get_cmdline_info();
#endif
int old_char = NUL;
char_u *nextcomm;
// Avoid a UMR warning from Purify, only save the character if it has been
// written before.
if (col < len)
old_char = str[col];
str[col] = NUL;
nextcomm = str;
#ifdef FEAT_EVAL
if (use_ccline && ccline->cmdfirstc == '=')
{
// pass CMD_SIZE because there is no real command
set_context_for_expression(xp, str, CMD_SIZE);
}
else if (use_ccline && ccline->input_fn)
{
xp->xp_context = ccline->xp_context;
xp->xp_pattern = ccline->cmdbuff;
xp->xp_arg = ccline->xp_arg;
}
else
#endif
while (nextcomm != NULL)
nextcomm = set_one_cmd_context(xp, nextcomm);
// Store the string here so that call_user_expand_func() can get to them
// easily.
xp->xp_line = str;
xp->xp_col = col;
str[col] = old_char;
}
/*
* Expand the command line "str" from context "xp".
* "xp" must have been set by set_cmd_context().
* xp->xp_pattern points into "str", to where the text that is to be expanded
* starts.
* Returns EXPAND_UNSUCCESSFUL when there is something illegal before the
* cursor.
* Returns EXPAND_NOTHING when there is nothing to expand, might insert the
* key that triggered expansion literally.
* Returns EXPAND_OK otherwise.
*/
int
expand_cmdline(
expand_T *xp,
char_u *str, // start of command line
int col, // position of cursor
int *matchcount, // return: nr of matches
char_u ***matches) // return: array of pointers to matches
{
char_u *file_str = NULL;
int options = WILD_ADD_SLASH|WILD_SILENT;
if (xp->xp_context == EXPAND_UNSUCCESSFUL)
{
beep_flush();
return EXPAND_UNSUCCESSFUL; // Something illegal on command line
}
if (xp->xp_context == EXPAND_NOTHING)
{
// Caller can use the character as a normal char instead
return EXPAND_NOTHING;
}
// add star to file name, or convert to regexp if not exp. files.
xp->xp_pattern_len = (int)(str + col - xp->xp_pattern);
if (cmdline_fuzzy_completion_supported(xp))
// If fuzzy matching, don't modify the search string
file_str = vim_strsave(xp->xp_pattern);
else
{
file_str = addstar(xp->xp_pattern, xp->xp_pattern_len, xp->xp_context);
if (file_str == NULL)
return EXPAND_UNSUCCESSFUL;
}
if (p_wic)
options += WILD_ICASE;
// find all files that match the description
if (ExpandFromContext(xp, file_str, matches, matchcount, options) == FAIL)
{
*matchcount = 0;
*matches = NULL;
}
vim_free(file_str);
return EXPAND_OK;
}
/*
* Expand file or directory names.
* Returns OK or FAIL.
*/
static int
expand_files_and_dirs(
expand_T *xp,
char_u *pat,
char_u ***matches,
int *numMatches,
int flags,
int options)
{
int free_pat = FALSE;
int i;
int ret = FAIL;
// for ":set path=" and ":set tags=" halve backslashes for escaped
// space
if (xp->xp_backslash != XP_BS_NONE)
{
free_pat = TRUE;
pat = vim_strsave(pat);
for (i = 0; pat[i]; ++i)
if (pat[i] == '\\')
{
if (xp->xp_backslash & XP_BS_THREE
&& pat[i + 1] == '\\'
&& pat[i + 2] == '\\'
&& pat[i + 3] == ' ')
STRMOVE(pat + i, pat + i + 3);
else if (xp->xp_backslash & XP_BS_ONE
&& pat[i + 1] == ' ')
STRMOVE(pat + i, pat + i + 1);
else if ((xp->xp_backslash & XP_BS_COMMA)
&& pat[i + 1] == '\\'
&& pat[i + 2] == ',')
STRMOVE(pat + i, pat + i + 2);
#ifdef BACKSLASH_IN_FILENAME
else if ((xp->xp_backslash & XP_BS_COMMA)
&& pat[i + 1] == ',')
STRMOVE(pat + i, pat + i + 1);
#endif
}
}
if (xp->xp_context == EXPAND_FINDFUNC)
{
#ifdef FEAT_EVAL
ret = expand_findfunc(pat, matches, numMatches);
#endif
}
else
{
if (xp->xp_context == EXPAND_FILES)
flags |= EW_FILE;
else if (xp->xp_context == EXPAND_FILES_IN_PATH)
flags |= (EW_FILE | EW_PATH);
else if (xp->xp_context == EXPAND_DIRS_IN_CDPATH)
flags = (flags | EW_DIR | EW_CDPATH) & ~EW_FILE;
else
flags = (flags | EW_DIR) & ~EW_FILE;
if (options & WILD_ICASE)
flags |= EW_ICASE;
// Expand wildcards, supporting %:h and the like.
ret = expand_wildcards_eval(&pat, numMatches, matches, flags);
}
if (free_pat)
vim_free(pat);
#ifdef BACKSLASH_IN_FILENAME
if (p_csl[0] != NUL && (options & WILD_IGNORE_COMPLETESLASH) == 0)
{
int j;
for (j = 0; j < *numMatches; ++j)
{
char_u *ptr = (*matches)[j];
while (*ptr != NUL)
{
if (p_csl[0] == 's' && *ptr == '\\')
*ptr = '/';
else if (p_csl[0] == 'b' && *ptr == '/')
*ptr = '\\';
ptr += (*mb_ptr2len)(ptr);
}
}
}
#endif
return ret;
}
/*
* Function given to ExpandGeneric() to obtain the possible arguments of the
* ":behave {mswin,xterm}" command.
*/
static char_u *
get_behave_arg(expand_T *xp UNUSED, int idx)
{
if (idx == 0)
return (char_u *)"mswin";
if (idx == 1)
return (char_u *)"xterm";
return NULL;
}
#ifdef FEAT_EVAL
/*
* Function given to ExpandGeneric() to obtain the possible arguments of the
* ":breakadd {expr, file, func, here}" command.
* ":breakdel {func, file, here}" command.
*/
static char_u *
get_breakadd_arg(expand_T *xp UNUSED, int idx)
{
char *opts[] = {"expr", "file", "func", "here"};
if (idx >= 0 && idx <= 3)
{
// breakadd {expr, file, func, here}
if (breakpt_expand_what == EXP_BREAKPT_ADD)
return (char_u *)opts[idx];
else if (breakpt_expand_what == EXP_BREAKPT_DEL)
{
// breakdel {func, file, here}
if (idx <= 2)
return (char_u *)opts[idx + 1];
}
else
{
// profdel {func, file}
if (idx <= 1)
return (char_u *)opts[idx + 1];
}
}
return NULL;
}
/*
* Function given to ExpandGeneric() to obtain the possible arguments for the
* ":scriptnames" command.
*/
static char_u *
get_scriptnames_arg(expand_T *xp UNUSED, int idx)
{
scriptitem_T *si;
if (!SCRIPT_ID_VALID(idx + 1))
return NULL;
si = SCRIPT_ITEM(idx + 1);
home_replace(NULL, si->sn_name, NameBuff, MAXPATHL, TRUE);
return NameBuff;
}
#endif
/*
* Function given to ExpandGeneric() to obtain the possible arguments of the
* ":messages {clear}" command.
*/
static char_u *
get_messages_arg(expand_T *xp UNUSED, int idx)
{
if (idx == 0)
return (char_u *)"clear";
return NULL;
}
static char_u *
get_mapclear_arg(expand_T *xp UNUSED, int idx)
{
if (idx == 0)
return (char_u *)"<buffer>";
return NULL;
}
/*
* Do the expansion based on xp->xp_context and 'rmp'.
*/
static int
ExpandOther(
char_u *pat,
expand_T *xp,
regmatch_T *rmp,
char_u ***matches,
int *numMatches)
{
static struct expgen
{
int context;
char_u *((*func)(expand_T *, int));
int ic;
int escaped;
} tab[] =
{
{EXPAND_COMMANDS, get_command_name, FALSE, TRUE},
{EXPAND_BEHAVE, get_behave_arg, TRUE, TRUE},
{EXPAND_MAPCLEAR, get_mapclear_arg, TRUE, TRUE},
{EXPAND_MESSAGES, get_messages_arg, TRUE, TRUE},
{EXPAND_HISTORY, get_history_arg, TRUE, TRUE},
{EXPAND_USER_COMMANDS, get_user_commands, FALSE, TRUE},
{EXPAND_USER_ADDR_TYPE, get_user_cmd_addr_type, FALSE, TRUE},
{EXPAND_USER_CMD_FLAGS, get_user_cmd_flags, FALSE, TRUE},
{EXPAND_USER_NARGS, get_user_cmd_nargs, FALSE, TRUE},
{EXPAND_USER_COMPLETE, get_user_cmd_complete, FALSE, TRUE},
#ifdef FEAT_EVAL
{EXPAND_USER_VARS, get_user_var_name, FALSE, TRUE},
{EXPAND_FUNCTIONS, get_function_name, FALSE, TRUE},
{EXPAND_USER_FUNC, get_user_func_name, FALSE, TRUE},
{EXPAND_DISASSEMBLE, get_disassemble_argument, FALSE, TRUE},
{EXPAND_EXPRESSION, get_expr_name, FALSE, TRUE},
#endif
#ifdef FEAT_MENU
{EXPAND_MENUS, get_menu_name, FALSE, TRUE},
{EXPAND_MENUNAMES, get_menu_names, FALSE, TRUE},
#endif
#ifdef FEAT_SYN_HL
{EXPAND_SYNTAX, get_syntax_name, TRUE, TRUE},
#endif
#ifdef FEAT_PROFILE
{EXPAND_SYNTIME, get_syntime_arg, TRUE, TRUE},
#endif
{EXPAND_HIGHLIGHT, get_highlight_name, TRUE, TRUE},
{EXPAND_EVENTS, get_event_name, TRUE, FALSE},
{EXPAND_AUGROUP, get_augroup_name, TRUE, FALSE},
#ifdef FEAT_CSCOPE
{EXPAND_CSCOPE, get_cscope_name, TRUE, TRUE},
#endif
#ifdef FEAT_SIGNS
{EXPAND_SIGN, get_sign_name, TRUE, TRUE},
#endif
#ifdef FEAT_PROFILE
{EXPAND_PROFILE, get_profile_name, TRUE, TRUE},
#endif
#if defined(HAVE_LOCALE_H) || defined(X_LOCALE)
{EXPAND_LANGUAGE, get_lang_arg, TRUE, FALSE},
{EXPAND_LOCALES, get_locales, TRUE, FALSE},
#endif
{EXPAND_ENV_VARS, get_env_name, TRUE, TRUE},
{EXPAND_USER, get_users, TRUE, FALSE},
{EXPAND_ARGLIST, get_arglist_name, TRUE, FALSE},
#ifdef FEAT_EVAL
{EXPAND_BREAKPOINT, get_breakadd_arg, TRUE, TRUE},
{EXPAND_SCRIPTNAMES, get_scriptnames_arg, TRUE, FALSE},
#endif
};
int i;
int ret = FAIL;
// Find a context in the table and call the ExpandGeneric() with the
// right function to do the expansion.
for (i = 0; i < (int)ARRAY_LENGTH(tab); ++i)
{
if (xp->xp_context == tab[i].context)
{
if (tab[i].ic)
rmp->rm_ic = TRUE;
ret = ExpandGeneric(pat, xp, rmp, matches, numMatches,
tab[i].func, tab[i].escaped);
break;
}
}
return ret;
}
/*
* Map wild expand options to flags for expand_wildcards()
*/
static int
map_wildopts_to_ewflags(int options)
{
int flags;
flags = EW_DIR; // include directories
if (options & WILD_LIST_NOTFOUND)
flags |= EW_NOTFOUND;
if (options & WILD_ADD_SLASH)
flags |= EW_ADDSLASH;
if (options & WILD_KEEP_ALL)
flags |= EW_KEEPALL;
if (options & WILD_SILENT)
flags |= EW_SILENT;
if (options & WILD_NOERROR)
flags |= EW_NOERROR;
if (options & WILD_ALLLINKS)
flags |= EW_ALLLINKS;
return flags;
}
/*
* Do the expansion based on xp->xp_context and "pat".
*/
static int
ExpandFromContext(
expand_T *xp,
char_u *pat,
char_u ***matches,
int *numMatches,
int options) // WILD_ flags
{
regmatch_T regmatch;
int ret;
int flags;
char_u *tofree = NULL;
int fuzzy = cmdline_fuzzy_complete(pat)
&& cmdline_fuzzy_completion_supported(xp);
flags = map_wildopts_to_ewflags(options);
if (xp->xp_context == EXPAND_FILES
|| xp->xp_context == EXPAND_DIRECTORIES
|| xp->xp_context == EXPAND_FILES_IN_PATH
|| xp->xp_context == EXPAND_FINDFUNC
|| xp->xp_context == EXPAND_DIRS_IN_CDPATH)
return expand_files_and_dirs(xp, pat, matches, numMatches, flags,
options);
*matches = (char_u **)"";
*numMatches = 0;
if (xp->xp_context == EXPAND_HELP)
{
// With an empty argument we would get all the help tags, which is
// very slow. Get matches for "help" instead.
if (find_help_tags(*pat == NUL ? (char_u *)"help" : pat,
numMatches, matches, FALSE) == OK)
{
#ifdef FEAT_MULTI_LANG
cleanup_help_tags(*numMatches, *matches);
#endif
return OK;
}
return FAIL;
}
if (xp->xp_context == EXPAND_SHELLCMD)
return expand_shellcmd(pat, matches, numMatches, flags);
if (xp->xp_context == EXPAND_OLD_SETTING)
return ExpandOldSetting(numMatches, matches);
if (xp->xp_context == EXPAND_BUFFERS)
return ExpandBufnames(pat, numMatches, matches, options);
#ifdef FEAT_DIFF
if (xp->xp_context == EXPAND_DIFF_BUFFERS)
return ExpandBufnames(pat, numMatches, matches,
options | BUF_DIFF_FILTER);
#endif
if (xp->xp_context == EXPAND_TAGS
|| xp->xp_context == EXPAND_TAGS_LISTFILES)
return expand_tags(xp->xp_context == EXPAND_TAGS, pat, numMatches,
matches);
if (xp->xp_context == EXPAND_COLORS)
{
char *directories[] = {"colors", NULL};
return ExpandRTDir(pat, DIP_START + DIP_OPT, numMatches, matches,
directories);
}
if (xp->xp_context == EXPAND_COMPILER)
{
char *directories[] = {"compiler", NULL};
return ExpandRTDir(pat, 0, numMatches, matches, directories);
}
if (xp->xp_context == EXPAND_OWNSYNTAX)
{
char *directories[] = {"syntax", NULL};
return ExpandRTDir(pat, 0, numMatches, matches, directories);
}
if (xp->xp_context == EXPAND_FILETYPE)
{
char *directories[] = {"syntax", "indent", "ftplugin", NULL};
return ExpandRTDir(pat, 0, numMatches, matches, directories);
}
#ifdef FEAT_KEYMAP
if (xp->xp_context == EXPAND_KEYMAP)
{
char *directories[] = {"keymap", NULL};
return ExpandRTDir(pat, 0, numMatches, matches, directories);
}
#endif
#if defined(FEAT_EVAL)
if (xp->xp_context == EXPAND_USER_LIST)
return ExpandUserList(xp, matches, numMatches);
#endif
if (xp->xp_context == EXPAND_PACKADD)
return ExpandPackAddDir(pat, numMatches, matches);
if (xp->xp_context == EXPAND_RUNTIME)
return expand_runtime_cmd(pat, numMatches, matches);
// When expanding a function name starting with s:, match the <SNR>nr_
// prefix.
if ((xp->xp_context == EXPAND_USER_FUNC
|| xp->xp_context == EXPAND_DISASSEMBLE)
&& STRNCMP(pat, "^s:", 3) == 0)
{
int len = (int)STRLEN(pat) + 20;
tofree = alloc(len);
if (tofree == NULL)
return FAIL;
vim_snprintf((char *)tofree, len, "^<SNR>\\d\\+_%s", pat + 3);
pat = tofree;
}
if (!fuzzy)
{
regmatch.regprog = vim_regcomp(pat, magic_isset() ? RE_MAGIC : 0);
if (regmatch.regprog == NULL)
return FAIL;
// set ignore-case according to p_ic, p_scs and pat
regmatch.rm_ic = ignorecase(pat);
}
if (xp->xp_context == EXPAND_SETTINGS
|| xp->xp_context == EXPAND_BOOL_SETTINGS)
ret = ExpandSettings(xp, &regmatch, pat, numMatches, matches, fuzzy);
else if (xp->xp_context == EXPAND_STRING_SETTING)
ret = ExpandStringSetting(xp, &regmatch, numMatches, matches);
else if (xp->xp_context == EXPAND_SETTING_SUBTRACT)
ret = ExpandSettingSubtract(xp, &regmatch, numMatches, matches);
else if (xp->xp_context == EXPAND_MAPPINGS)
ret = ExpandMappings(pat, &regmatch, numMatches, matches);
else if (xp->xp_context == EXPAND_ARGOPT)
ret = expand_argopt(pat, xp, &regmatch, matches, numMatches);
#if defined(FEAT_TERMINAL)
else if (xp->xp_context == EXPAND_TERMINALOPT)
ret = expand_terminal_opt(pat, xp, &regmatch, matches, numMatches);
#endif
#if defined(FEAT_EVAL)
else if (xp->xp_context == EXPAND_USER_DEFINED)
ret = ExpandUserDefined(pat, xp, &regmatch, matches, numMatches);
#endif
else
ret = ExpandOther(pat, xp, &regmatch, matches, numMatches);
if (!fuzzy)
vim_regfree(regmatch.regprog);
vim_free(tofree);
return ret;
}
/*
* Expand a list of names.
*
* Generic function for command line completion. It calls a function to
* obtain strings, one by one. The strings are matched against a regexp
* program. Matching strings are copied into an array, which is returned.
*
* If 'fuzzy' is TRUE, then fuzzy matching is used. Otherwise, regex matching
* is used.
*
* Returns OK when no problems encountered, FAIL for error (out of memory).
*/
int
ExpandGeneric(
char_u *pat,
expand_T *xp,
regmatch_T *regmatch,
char_u ***matches,
int *numMatches,
char_u *((*func)(expand_T *, int)),
// returns a string from the list
int escaped)
{
int i;
garray_T ga;
char_u *str;
fuzmatch_str_T *fuzmatch = NULL;
int score = 0;
int fuzzy;
int match;
int sort_matches = FALSE;
int funcsort = FALSE;
fuzzy = cmdline_fuzzy_complete(pat);
*matches = NULL;
*numMatches = 0;
if (!fuzzy)
ga_init2(&ga, sizeof(char *), 30);
else
ga_init2(&ga, sizeof(fuzmatch_str_T), 30);
for (i = 0; ; ++i)
{
str = (*func)(xp, i);
if (str == NULL) // end of list
break;
if (*str == NUL) // skip empty strings
continue;
if (xp->xp_pattern[0] != NUL)
{
if (!fuzzy)
match = vim_regexec(regmatch, str, (colnr_T)0);
else
{
score = fuzzy_match_str(str, pat);
match = (score != 0);
}
}
else
match = TRUE;
if (!match)
continue;
if (escaped)
str = vim_strsave_escaped(str, (char_u *)" \t\\.");
else
str = vim_strsave(str);
if (str == NULL)
{
if (!fuzzy)
{
ga_clear_strings(&ga);
return FAIL;
}
fuzmatch_str_free(ga.ga_data, ga.ga_len);
return FAIL;
}
if (ga_grow(&ga, 1) == FAIL)
{
vim_free(str);
break;
}
if (fuzzy)
{
fuzmatch = &((fuzmatch_str_T *)ga.ga_data)[ga.ga_len];
fuzmatch->idx = ga.ga_len;
fuzmatch->str = str;
fuzmatch->score = score;
}
else
((char_u **)ga.ga_data)[ga.ga_len] = str;
#ifdef FEAT_MENU
if (func == get_menu_names)
{
// test for separator added by get_menu_names()
str += STRLEN(str) - 1;
if (*str == '\001')
*str = '.';
}
#endif
++ga.ga_len;
}
if (ga.ga_len == 0)
return OK;
// sort the matches when using regular expression matching and sorting
// applies to the completion context. Menus and scriptnames should be kept
// in the specified order.
if (!fuzzy && xp->xp_context != EXPAND_MENUNAMES
&& xp->xp_context != EXPAND_STRING_SETTING
&& xp->xp_context != EXPAND_MENUS
&& xp->xp_context != EXPAND_SCRIPTNAMES
&& xp->xp_context != EXPAND_ARGOPT
&& xp->xp_context != EXPAND_TERMINALOPT)
sort_matches = TRUE;
// <SNR> functions should be sorted to the end.
if (xp->xp_context == EXPAND_EXPRESSION
|| xp->xp_context == EXPAND_FUNCTIONS
|| xp->xp_context == EXPAND_USER_FUNC
|| xp->xp_context == EXPAND_DISASSEMBLE)
funcsort = TRUE;
// Sort the matches.
if (sort_matches)
{
if (funcsort)
// <SNR> functions should be sorted to the end.
qsort((void *)ga.ga_data, (size_t)ga.ga_len, sizeof(char_u *),
sort_func_compare);
else
sort_strings((char_u **)ga.ga_data, ga.ga_len);
}
if (!fuzzy)
{
*matches = ga.ga_data;
*numMatches = ga.ga_len;
}
else
{
if (fuzzymatches_to_strmatches(ga.ga_data, matches, ga.ga_len,
funcsort) == FAIL)
return FAIL;
*numMatches = ga.ga_len;
}
#if defined(FEAT_SYN_HL)
// Reset the variables used for special highlight names expansion, so that
// they don't show up when getting normal highlight names by ID.
reset_expand_highlight();
#endif
return OK;
}
/*
* Expand shell command matches in one directory of $PATH.
*/
static void
expand_shellcmd_onedir(
char_u *buf,
char_u *s,
size_t l,
char_u *pat,
char_u ***matches,
int *numMatches,
int flags,
hashtab_T *ht,
garray_T *gap)
{
int ret;
hash_T hash;
hashitem_T *hi;
vim_strncpy(buf, s, l);
add_pathsep(buf);
l = STRLEN(buf);
vim_strncpy(buf + l, pat, MAXPATHL - 1 - l);
// Expand matches in one directory of $PATH.
ret = expand_wildcards(1, &buf, numMatches, matches, flags);
if (ret != OK)
return;
if (ga_grow(gap, *numMatches) == FAIL)
{
FreeWild(*numMatches, *matches);
return;
}
for (int i = 0; i < *numMatches; ++i)
{
char_u *name = (*matches)[i];
if (STRLEN(name) > l)
{
// Check if this name was already found.
hash = hash_hash(name + l);
hi = hash_lookup(ht, name + l, hash);
if (HASHITEM_EMPTY(hi))
{
// Remove the path that was prepended.
STRMOVE(name, name + l);
((char_u **)gap->ga_data)[gap->ga_len++] = name;
hash_add_item(ht, hi, name, hash);
name = NULL;
}
}
vim_free(name);
}
vim_free(*matches);
}
/*
* Complete a shell command.
* Returns FAIL or OK;
*/
static int
expand_shellcmd(
char_u *filepat, // pattern to match with command names
char_u ***matches, // return: array with matches
int *numMatches, // return: number of matches
int flagsarg) // EW_ flags
{
char_u *pat;
int i;
char_u *path = NULL;
int mustfree = FALSE;
garray_T ga;
char_u *buf;
size_t l;
char_u *s, *e;
int flags = flagsarg;
int did_curdir = FALSE;
hashtab_T found_ht;
buf = alloc(MAXPATHL);
if (buf == NULL)
return FAIL;
// for ":set path=" and ":set tags=" halve backslashes for escaped space
pat = vim_strsave(filepat);
if (pat == NULL)
{
vim_free(buf);
return FAIL;
}
for (i = 0; pat[i]; ++i)
if (pat[i] == '\\' && pat[i + 1] == ' ')
STRMOVE(pat + i, pat + i + 1);
flags |= EW_FILE | EW_EXEC | EW_SHELLCMD;
if (pat[0] == '.' && (vim_ispathsep(pat[1])
|| (pat[1] == '.' && vim_ispathsep(pat[2]))))
path = (char_u *)".";
else
{
// For an absolute name we don't use $PATH.
if (!mch_isFullName(pat))
path = vim_getenv((char_u *)"PATH", &mustfree);
if (path == NULL)
path = (char_u *)"";
}
// Go over all directories in $PATH. Expand matches in that directory and
// collect them in "ga". When "." is not in $PATH also expand for the
// current directory, to find "subdir/cmd".
ga_init2(&ga, sizeof(char *), 10);
hash_init(&found_ht);
for (s = path; ; s = e)
{
#if defined(MSWIN)
e = vim_strchr(s, ';');
#else
e = vim_strchr(s, ':');
#endif
if (e == NULL)
e = s + STRLEN(s);
if (*s == NUL)
{
if (did_curdir)
break;
// Find directories in the current directory, path is empty.
did_curdir = TRUE;
flags |= EW_DIR;
}
else if (STRNCMP(s, ".", (int)(e - s)) == 0)
{
did_curdir = TRUE;
flags |= EW_DIR;
}
else
// Do not match directories inside a $PATH item.
flags &= ~EW_DIR;
l = e - s;
if (l > MAXPATHL - 5)
break;
expand_shellcmd_onedir(buf, s, l, pat, matches, numMatches, flags,
&found_ht, &ga);
if (*e != NUL)
++e;
}
*matches = ga.ga_data;
*numMatches = ga.ga_len;
vim_free(buf);
vim_free(pat);
if (mustfree)
vim_free(path);
hash_clear(&found_ht);
return OK;
}
#if defined(FEAT_EVAL)
/*
* Call "user_expand_func()" to invoke a user defined Vim script function and
* return the result (either a string, a List or NULL).
*/
static void *
call_user_expand_func(
void *(*user_expand_func)(char_u *, int, typval_T *),
expand_T *xp)
{
cmdline_info_T *ccline = get_cmdline_info();
int keep = 0;
typval_T args[4];
sctx_T save_current_sctx = current_sctx;
char_u *pat = NULL;
void *ret;
if (xp->xp_arg == NULL || xp->xp_arg[0] == '\0' || xp->xp_line == NULL)
return NULL;
if (ccline->cmdbuff != NULL)
{
keep = ccline->cmdbuff[ccline->cmdlen];
ccline->cmdbuff[ccline->cmdlen] = 0;
}
pat = vim_strnsave(xp->xp_pattern, xp->xp_pattern_len);
args[0].v_type = VAR_STRING;
args[0].vval.v_string = pat;
args[1].v_type = VAR_STRING;
args[1].vval.v_string = xp->xp_line;
args[2].v_type = VAR_NUMBER;
args[2].vval.v_number = xp->xp_col;
args[3].v_type = VAR_UNKNOWN;
current_sctx = xp->xp_script_ctx;
ret = user_expand_func(xp->xp_arg, 3, args);
current_sctx = save_current_sctx;
if (ccline->cmdbuff != NULL)
ccline->cmdbuff[ccline->cmdlen] = keep;
vim_free(pat);
return ret;
}
/*
* Expand names with a function defined by the user (EXPAND_USER_DEFINED and
* EXPAND_USER_LIST).
*/
static int
ExpandUserDefined(
char_u *pat,
expand_T *xp,
regmatch_T *regmatch,
char_u ***matches,
int *numMatches)
{
char_u *retstr;
char_u *s;
char_u *e;
int keep;
garray_T ga;
int fuzzy;
int match;
int score = 0;
fuzzy = cmdline_fuzzy_complete(pat);
*matches = NULL;
*numMatches = 0;
retstr = call_user_expand_func(call_func_retstr, xp);
if (retstr == NULL)
return FAIL;
if (!fuzzy)
ga_init2(&ga, sizeof(char *), 3);
else
ga_init2(&ga, sizeof(fuzmatch_str_T), 3);
for (s = retstr; *s != NUL; s = e)
{
e = vim_strchr(s, '\n');
if (e == NULL)
e = s + STRLEN(s);
keep = *e;
*e = NUL;
if (xp->xp_pattern[0] != NUL)
{
if (!fuzzy)
match = vim_regexec(regmatch, s, (colnr_T)0);
else
{
score = fuzzy_match_str(s, pat);
match = (score != 0);
}
}
else
match = TRUE; // match everything
*e = keep;
if (match)
{
if (ga_grow(&ga, 1) == FAIL)
break;
if (!fuzzy)
((char_u **)ga.ga_data)[ga.ga_len] = vim_strnsave(s, e - s);
else
{
fuzmatch_str_T *fuzmatch =
&((fuzmatch_str_T *)ga.ga_data)[ga.ga_len];
fuzmatch->idx = ga.ga_len;
fuzmatch->str = vim_strnsave(s, e - s);
fuzmatch->score = score;
}
++ga.ga_len;
}
if (*e != NUL)
++e;
}
vim_free(retstr);
if (ga.ga_len == 0)
return OK;
if (!fuzzy)
{
*matches = ga.ga_data;
*numMatches = ga.ga_len;
}
else
{
if (fuzzymatches_to_strmatches(ga.ga_data, matches, ga.ga_len,
FALSE) == FAIL)
return FAIL;
*numMatches = ga.ga_len;
}
return OK;
}
/*
* Expand names with a list returned by a function defined by the user.
*/
static int
ExpandUserList(
expand_T *xp,
char_u ***matches,
int *numMatches)
{
list_T *retlist;
listitem_T *li;
garray_T ga;
*matches = NULL;
*numMatches = 0;
retlist = call_user_expand_func(call_func_retlist, xp);
if (retlist == NULL)
return FAIL;
ga_init2(&ga, sizeof(char *), 3);
// Loop over the items in the list.
FOR_ALL_LIST_ITEMS(retlist, li)
{
if (li->li_tv.v_type != VAR_STRING || li->li_tv.vval.v_string == NULL)
continue; // Skip non-string items and empty strings
if (ga_grow(&ga, 1) == FAIL)
break;
((char_u **)ga.ga_data)[ga.ga_len] =
vim_strsave(li->li_tv.vval.v_string);
++ga.ga_len;
}
list_unref(retlist);
*matches = ga.ga_data;
*numMatches = ga.ga_len;
return OK;
}
#endif
/*
* Expand "file" for all comma-separated directories in "path".
* Adds the matches to "ga". Caller must init "ga".
* If "dirs" is TRUE only expand directory names.
*/
void
globpath(
char_u *path,
char_u *file,
garray_T *ga,
int expand_options,
int dirs)
{
expand_T xpc;
char_u *buf;
int i;
int num_p;
char_u **p;
buf = alloc(MAXPATHL);
if (buf == NULL)
return;
ExpandInit(&xpc);
xpc.xp_context = dirs ? EXPAND_DIRECTORIES : EXPAND_FILES;
// Loop over all entries in {path}.
while (*path != NUL)
{
// Copy one item of the path to buf[] and concatenate the file name.
copy_option_part(&path, buf, MAXPATHL, ",");
if (STRLEN(buf) + STRLEN(file) + 2 < MAXPATHL)
{
#if defined(MSWIN)
// Using the platform's path separator (\) makes vim incorrectly
// treat it as an escape character, use '/' instead.
if (*buf != NUL && !after_pathsep(buf, buf + STRLEN(buf)))
STRCAT(buf, "/");
#else
add_pathsep(buf);
#endif
STRCAT(buf, file);
if (ExpandFromContext(&xpc, buf, &p, &num_p,
WILD_SILENT|expand_options) != FAIL && num_p > 0)
{
ExpandEscape(&xpc, buf, num_p, p, WILD_SILENT|expand_options);
if (ga_grow(ga, num_p) == OK)
// take over the pointers and put them in "ga"
for (i = 0; i < num_p; ++i)
{
((char_u **)ga->ga_data)[ga->ga_len] = p[i];
++ga->ga_len;
}
vim_free(p);
}
}
}
vim_free(buf);
}
/*
* Translate some keys pressed when 'wildmenu' is used.
*/
int
wildmenu_translate_key(
cmdline_info_T *cclp,
int key,
expand_T *xp,
int did_wild_list)
{
int c = key;
if (cmdline_pum_active())
{
// When the popup menu is used for cmdline completion:
// Up : go to the previous item in the menu
// Down : go to the next item in the menu
// Left : go to the parent directory
// Right: list the files in the selected directory
switch (c)
{
case K_UP: c = K_LEFT; break;
case K_DOWN: c = K_RIGHT; break;
case K_LEFT: c = K_UP; break;
case K_RIGHT: c = K_DOWN; break;
default: break;
}
}
if (did_wild_list)
{
if (c == K_LEFT)
c = Ctrl_P;
else if (c == K_RIGHT)
c = Ctrl_N;
}
// Hitting CR after "emenu Name.": complete submenu
if (xp->xp_context == EXPAND_MENUNAMES
&& cclp->cmdpos > 1
&& cclp->cmdbuff[cclp->cmdpos - 1] == '.'
&& cclp->cmdbuff[cclp->cmdpos - 2] != '\\'
&& (c == '\n' || c == '\r' || c == K_KENTER))
c = K_DOWN;
return c;
}
/*
* Delete characters on the command line, from "from" to the current
* position.
*/
static void
cmdline_del(cmdline_info_T *cclp, int from)
{
mch_memmove(cclp->cmdbuff + from, cclp->cmdbuff + cclp->cmdpos,
(size_t)(cclp->cmdlen - cclp->cmdpos + 1));
cclp->cmdlen -= cclp->cmdpos - from;
cclp->cmdpos = from;
}
/*
* Handle a key pressed when the wild menu for the menu names
* (EXPAND_MENUNAMES) is displayed.
*/
static int
wildmenu_process_key_menunames(cmdline_info_T *cclp, int key, expand_T *xp)
{
int i;
int j;
// Hitting <Down> after "emenu Name.": complete submenu
if (key == K_DOWN && cclp->cmdpos > 0
&& cclp->cmdbuff[cclp->cmdpos - 1] == '.')
{
key = p_wc;
KeyTyped = TRUE; // in case the key was mapped
}
else if (key == K_UP)
{
// Hitting <Up>: Remove one submenu name in front of the
// cursor
int found = FALSE;
j = (int)(xp->xp_pattern - cclp->cmdbuff);
i = 0;
while (--j > 0)
{
// check for start of menu name
if (cclp->cmdbuff[j] == ' '
&& cclp->cmdbuff[j - 1] != '\\')
{
i = j + 1;
break;
}
// check for start of submenu name
if (cclp->cmdbuff[j] == '.'
&& cclp->cmdbuff[j - 1] != '\\')
{
if (found)
{
i = j + 1;
break;
}
else
found = TRUE;
}
}
if (i > 0)
cmdline_del(cclp, i);
key = p_wc;
KeyTyped = TRUE; // in case the key was mapped
xp->xp_context = EXPAND_NOTHING;
}
return key;
}
/*
* Handle a key pressed when the wild menu for file names (EXPAND_FILES) or
* directory names (EXPAND_DIRECTORIES) or shell command names
* (EXPAND_SHELLCMD) is displayed.
*/
static int
wildmenu_process_key_filenames(cmdline_info_T *cclp, int key, expand_T *xp)
{
int i;
int j;
char_u upseg[5];
upseg[0] = PATHSEP;
upseg[1] = '.';
upseg[2] = '.';
upseg[3] = PATHSEP;
upseg[4] = NUL;
if (key == K_DOWN
&& cclp->cmdpos > 0
&& cclp->cmdbuff[cclp->cmdpos - 1] == PATHSEP
&& (cclp->cmdpos < 3
|| cclp->cmdbuff[cclp->cmdpos - 2] != '.'
|| cclp->cmdbuff[cclp->cmdpos - 3] != '.'))
{
// go down a directory
key = p_wc;
KeyTyped = TRUE; // in case the key was mapped
}
else if (STRNCMP(xp->xp_pattern, upseg + 1, 3) == 0 && key == K_DOWN)
{
// If in a direct ancestor, strip off one ../ to go down
int found = FALSE;
j = cclp->cmdpos;
i = (int)(xp->xp_pattern - cclp->cmdbuff);
while (--j > i)
{
if (has_mbyte)
j -= (*mb_head_off)(cclp->cmdbuff, cclp->cmdbuff + j);
if (vim_ispathsep(cclp->cmdbuff[j]))
{
found = TRUE;
break;
}
}
if (found
&& cclp->cmdbuff[j - 1] == '.'
&& cclp->cmdbuff[j - 2] == '.'
&& (vim_ispathsep(cclp->cmdbuff[j - 3]) || j == i + 2))
{
cmdline_del(cclp, j - 2);
key = p_wc;
KeyTyped = TRUE; // in case the key was mapped
}
}
else if (key == K_UP)
{
// go up a directory
int found = FALSE;
j = cclp->cmdpos - 1;
i = (int)(xp->xp_pattern - cclp->cmdbuff);
while (--j > i)
{
if (has_mbyte)
j -= (*mb_head_off)(cclp->cmdbuff, cclp->cmdbuff + j);
if (vim_ispathsep(cclp->cmdbuff[j])
#ifdef BACKSLASH_IN_FILENAME
&& vim_strchr((char_u *)" *?[{`$%#",
cclp->cmdbuff[j + 1]) == NULL
#endif
)
{
if (found)
{
i = j + 1;
break;
}
else
found = TRUE;
}
}
if (!found)
j = i;
else if (STRNCMP(cclp->cmdbuff + j, upseg, 4) == 0)
j += 4;
else if (STRNCMP(cclp->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(cclp, j);
put_on_cmdline(upseg + 1, 3, FALSE);
}
else if (cclp->cmdpos > i)
cmdline_del(cclp, i);
// Now complete in the new directory. Set KeyTyped in case the
// Up key came from a mapping.
key = p_wc;
KeyTyped = TRUE;
}
return key;
}
/*
* Handle a key pressed when the wild menu is displayed
*/
int
wildmenu_process_key(cmdline_info_T *cclp, int key, expand_T *xp)
{
if (xp->xp_context == EXPAND_MENUNAMES)
return wildmenu_process_key_menunames(cclp, key, xp);
else if ((xp->xp_context == EXPAND_FILES
|| xp->xp_context == EXPAND_DIRECTORIES
|| xp->xp_context == EXPAND_SHELLCMD))
return wildmenu_process_key_filenames(cclp, key, xp);
return key;
}
/*
* Free expanded names when finished walking through the matches
*/
void
wildmenu_cleanup(cmdline_info_T *cclp UNUSED)
{
int skt = KeyTyped;
if (!p_wmnu || wild_menu_showing == 0)
return;
#ifdef FEAT_EVAL
int save_RedrawingDisabled = RedrawingDisabled;
if (cclp->input_fn)
RedrawingDisabled = 0;
#endif
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);
update_screen(UPD_VALID); // redraw the screen NOW
redrawcmd();
save_p_ls = -1;
}
else
{
win_redraw_last_status(topframe);
redraw_statuslines();
}
KeyTyped = skt;
wild_menu_showing = 0;
#ifdef FEAT_EVAL
if (cclp->input_fn)
RedrawingDisabled = save_RedrawingDisabled;
#endif
}
#if defined(FEAT_EVAL) || defined(PROTO)
/*
* "getcompletion()" function
*/
void
f_getcompletion(typval_T *argvars, typval_T *rettv)
{
char_u *pat;
char_u *type;
expand_T xpc;
int filtered = FALSE;
int options = WILD_SILENT | WILD_USE_NL | WILD_ADD_SLASH
| WILD_NO_BEEP | WILD_HOME_REPLACE;
if (in_vim9script()
&& (check_for_string_arg(argvars, 0) == FAIL
|| check_for_string_arg(argvars, 1) == FAIL
|| check_for_opt_bool_arg(argvars, 2) == FAIL))
return;
pat = tv_get_string(&argvars[0]);
if (check_for_string_arg(argvars, 1) == FAIL)
return;
type = tv_get_string(&argvars[1]);
if (argvars[2].v_type != VAR_UNKNOWN)
filtered = tv_get_bool_chk(&argvars[2], NULL);
if (p_wic)
options |= WILD_ICASE;
// For filtered results, 'wildignore' is used
if (!filtered)
options |= WILD_KEEP_ALL;
ExpandInit(&xpc);
if (STRCMP(type, "cmdline") == 0)
{
int cmdline_len = (int)STRLEN(pat);
set_cmd_context(&xpc, pat, cmdline_len, cmdline_len, FALSE);
xpc.xp_pattern_len = (int)STRLEN(xpc.xp_pattern);
xpc.xp_col = cmdline_len;
}
else
{
xpc.xp_pattern = pat;
xpc.xp_pattern_len = (int)STRLEN(xpc.xp_pattern);
xpc.xp_line = pat;
xpc.xp_context = cmdcomplete_str_to_type(type);
if (xpc.xp_context == EXPAND_NOTHING)
{
semsg(_(e_invalid_argument_str), type);
return;
}
if (xpc.xp_context == EXPAND_USER_DEFINED)
{
// Must be "custom,funcname" pattern
if (STRNCMP(type, "custom,", 7) != 0)
{
semsg(_(e_invalid_argument_str), type);
return;
}
xpc.xp_arg = type + 7;
}
if (xpc.xp_context == EXPAND_USER_LIST)
{
// Must be "customlist,funcname" pattern
if (STRNCMP(type, "customlist,", 11) != 0)
{
semsg(_(e_invalid_argument_str), type);
return;
}
xpc.xp_arg = type + 11;
}
# if defined(FEAT_MENU)
if (xpc.xp_context == EXPAND_MENUS)
{
set_context_in_menu_cmd(&xpc, (char_u *)"menu", xpc.xp_pattern, FALSE);
xpc.xp_pattern_len = (int)STRLEN(xpc.xp_pattern);
}
# endif
# ifdef FEAT_CSCOPE
if (xpc.xp_context == EXPAND_CSCOPE)
{
set_context_in_cscope_cmd(&xpc, xpc.xp_pattern, CMD_cscope);
xpc.xp_pattern_len = (int)STRLEN(xpc.xp_pattern);
}
# endif
# ifdef FEAT_SIGNS
if (xpc.xp_context == EXPAND_SIGN)
{
set_context_in_sign_cmd(&xpc, xpc.xp_pattern);
xpc.xp_pattern_len = (int)STRLEN(xpc.xp_pattern);
}
# endif
if (xpc.xp_context == EXPAND_RUNTIME)
{
set_context_in_runtime_cmd(&xpc, xpc.xp_pattern);
xpc.xp_pattern_len = (int)STRLEN(xpc.xp_pattern);
}
if (xpc.xp_context == EXPAND_SHELLCMDLINE)
{
int context = EXPAND_SHELLCMDLINE;
set_context_for_wildcard_arg(NULL, xpc.xp_pattern, FALSE, &xpc,
&context);
xpc.xp_pattern_len = (int)STRLEN(xpc.xp_pattern);
}
}
if (cmdline_fuzzy_completion_supported(&xpc))
// when fuzzy matching, don't modify the search string
pat = vim_strsave(xpc.xp_pattern);
else
pat = addstar(xpc.xp_pattern, xpc.xp_pattern_len, xpc.xp_context);
if (rettv_list_alloc(rettv) == OK && pat != NULL)
{
int i;
ExpandOne(&xpc, pat, NULL, options, WILD_ALL_KEEP);
for (i = 0; i < xpc.xp_numfiles; i++)
list_append_string(rettv->vval.v_list, xpc.xp_files[i], -1);
}
vim_free(pat);
ExpandCleanup(&xpc);
}
#endif // FEAT_EVAL
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