Add R format modifier to repeat an argument.

This commit is contained in:
nicm
2025-05-12 10:26:19 +00:00
parent 1ce1e7ef27
commit 79b02998a6
2 changed files with 45 additions and 14 deletions

View File

@ -106,6 +106,7 @@ format_job_cmp(struct format_job *fj1, struct format_job *fj2)
#define FORMAT_CLIENTS 0x40000
#define FORMAT_NOT 0x80000
#define FORMAT_NOT_NOT 0x100000
#define FORMAT_REPEAT 0x200000
/* Limit on recursion. */
#define FORMAT_LOOP_LIMIT 100
@ -3988,7 +3989,7 @@ format_build_modifiers(struct format_expand_state *es, const char **s,
/*
* Modifiers are a ; separated list of the forms:
* l,m,C,a,b,c,d,n,t,w,q,E,T,S,W,P,<,>
* l,m,C,a,b,c,d,n,t,w,q,E,T,S,W,P,R,<,>
* =a
* =/a
* =/a/
@ -4027,7 +4028,7 @@ format_build_modifiers(struct format_expand_state *es, const char **s,
}
/* Now try single character with arguments. */
if (strchr("mCNst=peq", cp[0]) == NULL)
if (strchr("mCNst=pReq", cp[0]) == NULL)
break;
c = cp[0];
@ -4582,7 +4583,7 @@ format_replace(struct format_expand_state *es, const char *key, size_t keylen,
struct format_modifier *list, *cmp = NULL, *search = NULL;
struct format_modifier **sub = NULL, *mexp = NULL, *fm;
struct format_modifier *bool_op_n = NULL;
u_int i, count, nsub = 0;
u_int i, count, nsub = 0, nrep;
struct format_expand_state next;
/* Make a copy of the key. */
@ -4704,6 +4705,9 @@ format_replace(struct format_expand_state *es, const char *key, size_t keylen,
case 'L':
modifiers |= FORMAT_CLIENTS;
break;
case 'R':
modifiers |= FORMAT_REPEAT;
break;
}
} else if (fm->size == 2) {
if (strcmp(fm->modifier, "||") == 0 ||
@ -4786,6 +4790,25 @@ format_replace(struct format_expand_state *es, const char *key, size_t keylen,
value = format_search(search, wp, new);
}
free(new);
} else if (modifiers & FORMAT_REPEAT) {
/* Repeat multiple times. */
if (format_choose(es, copy, &left, &right, 1) != 0) {
format_log(es, "repeat syntax error: %s", copy);
goto fail;
}
nrep = strtonum(right, 1, 10000, &errstr);
if (errstr != NULL)
value = xstrdup("");
else {
value = xstrdup("");
for (i = 0; i < nrep; i++) {
xasprintf(&new, "%s%s", value, left);
free(value);
value = new;
}
}
free(right);
free(left);
} else if (modifiers & FORMAT_NOT) {
value = format_bool_op_1(es, copy, 1);
} else if (modifiers & FORMAT_NOT_NOT) {

10
tmux.1
View File

@ -5833,6 +5833,12 @@ expands to the length of the variable and
.Ql w
to its width when displayed, for example
.Ql #{n:window_name} .
.Ql R
repeats the first argument by a number of times given by the second argument,
so
.Ql #{R:a,3}
will result in
.Ql aaa .
.Pp
Prefixing a time variable with
.Ql t:\&
@ -7281,7 +7287,7 @@ Lock each client individually by running the command specified by the
option.
.Tg run
.It Xo Ic run-shell
.Op Fl bC
.Op Fl bCE
.Op Fl c Ar start-directory
.Op Fl d Ar delay
.Op Fl t Ar target-pane
@ -7309,6 +7315,8 @@ the command is run in the background.
waits for
.Ar delay
seconds before starting the command.
.Fl E
redirects the command's stderr to stdout instead of ignoring it.
If
.Fl c
is given, the current working directory is set to