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cmdexpand.c
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/* vi:set ts=8 sts=4 sw=4 noet:
*
* VIM - Vi IMproved by Bram Moolenaar
*
* Do ":help uganda" in Vim to read copying and usage conditions.
* Do ":help credits" in Vim to see a list of people who contributed.
* See README.txt for an overview of the Vim source code.
*/
/*
* cmdexpand.c: functions for command-line completion
*/
#include "vim.h"
static int cmd_showtail; // Only show path tail in lists ?
static int ExpandGeneric(char_u *pat, expand_T *xp, regmatch_T *regmatch,
char_u ***matches, int *numMatches,
char_u *((*func)(expand_T *, int)), int escaped);
static int ExpandFromContext(expand_T *xp, char_u *, char_u ***, int *, int);
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
#ifdef FEAT_WILDMENU
// "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;
#endif
#define SHOW_FILE_TEXT(m) (showtail ? sm_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_FILES
&& xp->xp_context != EXPAND_FILES_IN_PATH
&& xp->xp_context != EXPAND_FILETYPE
&& xp->xp_context != EXPAND_HELP
&& xp->xp_context != EXPAND_OLD_SETTING
&& xp->xp_context != EXPAND_OWNSYNTAX
&& xp->xp_context != EXPAND_PACKADD
&& xp->xp_context != EXPAND_SHELLCMD
&& 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
ExpandEscape(
expand_T *xp,
char_u *str,
int numfiles,
char_u **files,
int options)
{
int i;
char_u *p;
int vse_what = xp->xp_context == EXPAND_BUFFERS
? VSE_BUFFER : VSE_NONE;
// May change home directory back to "~"
if (options & WILD_HOME_REPLACE)
tilde_replace(str, numfiles, files);
if (options & WILD_ESCAPE)
{
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)
{
// Insert a backslash into a file name before a space, \, %, #
// and wildmatch characters, except '~'.
for (i = 0; i < numfiles; ++i)
{
// for ":set path=" we need to escape spaces twice
if (xp->xp_backslash == XP_BS_THREE)
{
p = vim_strsave_escaped(files[i], (char_u *)" ");
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
}
}
#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 (i = 0; i < numfiles; ++i)
{
p = vim_strsave_escaped(files[i], (char_u *)"\\|\"");
if (p != NULL)
{
vim_free(files[i]);
files[i] = p;
}
}
}
}
}
/*
* 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;
}
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_strsave(xp->xp_pattern);
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;
}
#if defined(FEAT_WILDMENU) || defined(PROTO)
/*
* 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_FILE_TEXT(i);
compl_match_array[i].pum_info = NULL;
compl_match_array[i].pum_extra = NULL;
compl_match_array[i].pum_kind = NULL;
}
// Compute the popup menu starting column
compl_startcol = vim_strsize(ccline->cmdbuff) + 1;
columns = vim_strsize(xp->xp_pattern);
if (showtail)
{
columns += vim_strsize(sm_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 p_wmnu && 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;
}
#endif
/*
* Get the next or prev cmdline completion match. The index of the match is set
* in "p_findex"
*/
static char_u *
get_next_or_prev_match(
int mode,
expand_T *xp,
int *p_findex,
char_u *orig_save)
{
int findex = *p_findex;
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 (orig_save == NULL)
findex = xp->xp_numfiles - 1;
else
findex = -1;
}
if (findex >= xp->xp_numfiles)
{
if (orig_save == NULL)
findex = 0;
else
findex = -1;
}
#ifdef FEAT_WILDMENU
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);
#endif
*p_findex = findex;
if (findex == -1)
return vim_strsave(orig_save);
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 orig_save 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;
static int findex;
static char_u *orig_save = NULL; // kept value of orig
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, &findex, orig_save);
if (mode == WILD_CANCEL)
ss = vim_strsave(orig_save ? orig_save : (char_u *)"");
else if (mode == WILD_APPLY)
ss = vim_strsave(findex == -1 ? (orig_save ?
orig_save : (char_u *)"") : xp->xp_files[findex]);
// 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(orig_save);
}
findex = 0;
if (mode == WILD_FREE) // only release file name
return NULL;
if (xp->xp_numfiles == -1 && mode != WILD_APPLY && mode != WILD_CANCEL)
{
vim_free(orig_save);
orig_save = 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);
findex = -1; // next p_wc gets first one
}
// Concatenate all matching names
if (mode == WILD_ALL && xp->xp_numfiles > 0)
{
len = 0;
for (i = 0; i < xp->xp_numfiles; ++i)
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)
{
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 "orig_save".
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_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;
}
}
/*
* 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_FILE_TEXT(j);
else
{
home_replace(NULL, matches[j], NameBuff, MAXPATHL,
TRUE);
p = NameBuff;
}
}
else
{
isdir = FALSE;
p = SHOW_FILE_TEXT(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;
}
#ifdef FEAT_WILDMENU
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);
#endif
#ifdef FEAT_WILDMENU
if (!wildmenu)
{
#endif
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
#ifdef FEAT_WILDMENU
}
#endif
if (got_int)
got_int = FALSE; // only int. the completion, not the cmd line
#ifdef FEAT_WILDMENU
else if (wildmenu)
win_redr_status_matches(xp, numMatches, matches, -1, showtail);
#endif
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_FILE_TEXT(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;
}
/*
* Private gettail for showmatches() (and win_redr_status_matches()):
* Find tail of file name path, but ignore trailing "/".
*/
char_u *
sm_gettail(char_u *s)