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/* $OpenBSD$ */
/*
* Copyright (c) 2011 Nicholas Marriott <nicholas.marriott@gmail.com>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/types.h>
#include <sys/wait.h>
#include <ctype.h>
#include <errno.h>
#include <fnmatch.h>
#include <libgen.h>
#include <math.h>
#include <regex.h>
#include <stdarg.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <unistd.h>
#include "tmux.h"
/*
* Build a list of key-value pairs and use them to expand #{key} entries in a
* string.
*/
struct format_expand_state;
static char *format_job_get(struct format_expand_state *, const char *);
static char *format_expand1(struct format_expand_state *, const char *);
static int format_replace(struct format_expand_state *, const char *,
size_t, char **, size_t *, size_t *);
static void format_defaults_session(struct format_tree *,
struct session *);
static void format_defaults_client(struct format_tree *, struct client *);
static void format_defaults_winlink(struct format_tree *,
struct winlink *);
/* Entry in format job tree. */
struct format_job {
struct client *client;
u_int tag;
const char *cmd;
const char *expanded;
time_t last;
char *out;
int updated;
struct job *job;
int status;
RB_ENTRY(format_job) entry;
};
/* Format job tree. */
static int format_job_cmp(struct format_job *, struct format_job *);
static RB_HEAD(format_job_tree, format_job) format_jobs = RB_INITIALIZER();
RB_GENERATE_STATIC(format_job_tree, format_job, entry, format_job_cmp);
/* Format job tree comparison function. */
static int
format_job_cmp(struct format_job *fj1, struct format_job *fj2)
{
if (fj1->tag < fj2->tag)
return (-1);
if (fj1->tag > fj2->tag)
return (1);
return (strcmp(fj1->cmd, fj2->cmd));
}
/* Format modifiers. */
#define FORMAT_TIMESTRING 0x1
#define FORMAT_BASENAME 0x2
#define FORMAT_DIRNAME 0x4
#define FORMAT_QUOTE_SHELL 0x8
#define FORMAT_LITERAL 0x10
#define FORMAT_EXPAND 0x20
#define FORMAT_EXPANDTIME 0x40
#define FORMAT_SESSIONS 0x80
#define FORMAT_WINDOWS 0x100
#define FORMAT_PANES 0x200
#define FORMAT_PRETTY 0x400
#define FORMAT_LENGTH 0x800
#define FORMAT_WIDTH 0x1000
#define FORMAT_QUOTE_STYLE 0x2000
#define FORMAT_WINDOW_NAME 0x4000
#define FORMAT_SESSION_NAME 0x8000
#define FORMAT_CHARACTER 0x10000
/* Limit on recursion. */
#define FORMAT_LOOP_LIMIT 100
/* Format expand flags. */
#define FORMAT_EXPAND_TIME 0x1
#define FORMAT_EXPAND_NOJOBS 0x2
/* Entry in format tree. */
struct format_entry {
char *key;
char *value;
time_t time;
format_cb cb;
RB_ENTRY(format_entry) entry;
};
/* Format type. */
enum format_type {
FORMAT_TYPE_UNKNOWN,
FORMAT_TYPE_SESSION,
FORMAT_TYPE_WINDOW,
FORMAT_TYPE_PANE
};
struct format_tree {
enum format_type type;
struct client *c;
struct session *s;
struct winlink *wl;
struct window *w;
struct window_pane *wp;
struct paste_buffer *pb;
struct cmdq_item *item;
struct client *client;
int flags;
u_int tag;
struct mouse_event m;
RB_HEAD(format_entry_tree, format_entry) tree;
};
static int format_entry_cmp(struct format_entry *, struct format_entry *);
RB_GENERATE_STATIC(format_entry_tree, format_entry, entry, format_entry_cmp);
/* Format expand state. */
struct format_expand_state {
struct format_tree *ft;
u_int loop;
time_t time;
struct tm tm;
int flags;
};
/* Format modifier. */
struct format_modifier {
char modifier[3];
u_int size;
char **argv;
int argc;
};
/* Format entry tree comparison function. */
static int
format_entry_cmp(struct format_entry *fe1, struct format_entry *fe2)
{
return (strcmp(fe1->key, fe2->key));
}
/* Single-character uppercase aliases. */
static const char *format_upper[] = {
NULL, /* A */
NULL, /* B */
NULL, /* C */
"pane_id", /* D */
NULL, /* E */
"window_flags", /* F */
NULL, /* G */
"host", /* H */
"window_index", /* I */
NULL, /* J */
NULL, /* K */
NULL, /* L */
NULL, /* M */
NULL, /* N */
NULL, /* O */
"pane_index", /* P */
NULL, /* Q */
NULL, /* R */
"session_name", /* S */
"pane_title", /* T */
NULL, /* U */
NULL, /* V */
"window_name", /* W */
NULL, /* X */
NULL, /* Y */
NULL /* Z */
};
/* Single-character lowercase aliases. */
static const char *format_lower[] = {
NULL, /* a */
NULL, /* b */
NULL, /* c */
NULL, /* d */
NULL, /* e */
NULL, /* f */
NULL, /* g */
"host_short", /* h */
NULL, /* i */
NULL, /* j */
NULL, /* k */
NULL, /* l */
NULL, /* m */
NULL, /* n */
NULL, /* o */
NULL, /* p */
NULL, /* q */
NULL, /* r */
NULL, /* s */
NULL, /* t */
NULL, /* u */
NULL, /* v */
NULL, /* w */
NULL, /* x */
NULL, /* y */
NULL /* z */
};
/* Is logging enabled? */
static inline int
format_logging(struct format_tree *ft)
{
return (log_get_level() != 0 || (ft->flags & FORMAT_VERBOSE));
}
/* Log a message if verbose. */
static void printflike(3, 4)
format_log1(struct format_expand_state *es, const char *from, const char *fmt,
...)
{
struct format_tree *ft = es->ft;
va_list ap;
char *s;
static const char spaces[] = " ";
if (!format_logging(ft))
return;
va_start(ap, fmt);
xvasprintf(&s, fmt, ap);
va_end(ap);
log_debug("%s: %s", from, s);
if (ft->item != NULL && (ft->flags & FORMAT_VERBOSE))
cmdq_print(ft->item, "#%.*s%s", es->loop, spaces, s);
free(s);
}
#define format_log(es, fmt, ...) format_log1(es, __func__, fmt, ##__VA_ARGS__)
/* Copy expand state. */
static void
format_copy_state(struct format_expand_state *to,
struct format_expand_state *from, int flags)
{
to->ft = from->ft;
to->loop = from->loop;
to->time = from->time;
memcpy(&to->tm, &from->tm, sizeof to->tm);
to->flags = from->flags|flags;
}
/* Format job update callback. */
static void
format_job_update(struct job *job)
{
struct format_job *fj = job_get_data(job);
struct evbuffer *evb = job_get_event(job)->input;
char *line = NULL, *next;
time_t t;
while ((next = evbuffer_readline(evb)) != NULL) {
free(line);
line = next;
}
if (line == NULL)
return;
fj->updated = 1;
free(fj->out);
fj->out = line;
log_debug("%s: %p %s: %s", __func__, fj, fj->cmd, fj->out);
t = time(NULL);
if (fj->status && fj->last != t) {
if (fj->client != NULL)
server_status_client(fj->client);
fj->last = t;
}
}
/* Format job complete callback. */
static void
format_job_complete(struct job *job)
{
struct format_job *fj = job_get_data(job);
struct evbuffer *evb = job_get_event(job)->input;
char *line, *buf;
size_t len;
fj->job = NULL;
buf = NULL;
if ((line = evbuffer_readline(evb)) == NULL) {
len = EVBUFFER_LENGTH(evb);
buf = xmalloc(len + 1);
if (len != 0)
memcpy(buf, EVBUFFER_DATA(evb), len);
buf[len] = '\0';
} else
buf = line;
log_debug("%s: %p %s: %s", __func__, fj, fj->cmd, buf);
if (*buf != '\0' || !fj->updated) {
free(fj->out);
fj->out = buf;
} else
free(buf);
if (fj->status) {
if (fj->client != NULL)
server_status_client(fj->client);
fj->status = 0;
}
}
/* Find a job. */
static char *
format_job_get(struct format_expand_state *es, const char *cmd)
{
struct format_tree *ft = es->ft;
struct format_job_tree *jobs;
struct format_job fj0, *fj;
time_t t;
char *expanded;
int force;
struct format_expand_state next;
if (ft->client == NULL)
jobs = &format_jobs;
else if (ft->client->jobs != NULL)
jobs = ft->client->jobs;
else {
jobs = ft->client->jobs = xmalloc(sizeof *ft->client->jobs);
RB_INIT(jobs);
}
fj0.tag = ft->tag;
fj0.cmd = cmd;
if ((fj = RB_FIND(format_job_tree, jobs, &fj0)) == NULL) {
fj = xcalloc(1, sizeof *fj);
fj->client = ft->client;
fj->tag = ft->tag;
fj->cmd = xstrdup(cmd);
RB_INSERT(format_job_tree, jobs, fj);
}
format_copy_state(&next, es, FORMAT_EXPAND_NOJOBS);
next.flags &= ~FORMAT_EXPAND_TIME;
expanded = format_expand1(&next, cmd);
if (fj->expanded == NULL || strcmp(expanded, fj->expanded) != 0) {
free((void *)fj->expanded);
fj->expanded = xstrdup(expanded);
force = 1;
} else
force = (ft->flags & FORMAT_FORCE);
t = time(NULL);
if (force && fj->job != NULL)
job_free(fj->job);
if (force || (fj->job == NULL && fj->last != t)) {
fj->job = job_run(expanded, 0, NULL, NULL,
server_client_get_cwd(ft->client, NULL), format_job_update,
format_job_complete, NULL, fj, JOB_NOWAIT, -1, -1);
if (fj->job == NULL) {
free(fj->out);
xasprintf(&fj->out, "<'%s' didn't start>", fj->cmd);
}
fj->last = t;
fj->updated = 0;
} else if (fj->job != NULL && (t - fj->last) > 1 && fj->out == NULL)
xasprintf(&fj->out, "<'%s' not ready>", fj->cmd);
free(expanded);
if (ft->flags & FORMAT_STATUS)
fj->status = 1;
if (fj->out == NULL)
return (xstrdup(""));
return (format_expand1(&next, fj->out));
}
/* Remove old jobs. */
static void
format_job_tidy(struct format_job_tree *jobs, int force)
{
struct format_job *fj, *fj1;
time_t now;
now = time(NULL);
RB_FOREACH_SAFE(fj, format_job_tree, jobs, fj1) {
if (!force && (fj->last > now || now - fj->last < 3600))
continue;
RB_REMOVE(format_job_tree, jobs, fj);
log_debug("%s: %s", __func__, fj->cmd);
if (fj->job != NULL)
job_free(fj->job);
free((void *)fj->expanded);
free((void *)fj->cmd);
free(fj->out);
free(fj);
}
}
/* Tidy old jobs for all clients. */
void
format_tidy_jobs(void)
{
struct client *c;
format_job_tidy(&format_jobs, 0);
TAILQ_FOREACH(c, &clients, entry) {
if (c->jobs != NULL)
format_job_tidy(c->jobs, 0);
}
}
/* Remove old jobs for client. */
void
format_lost_client(struct client *c)
{
if (c->jobs != NULL)
format_job_tidy(c->jobs, 1);
free(c->jobs);
}
/* Wrapper for asprintf. */
static char * printflike(1, 2)
format_printf(const char *fmt, ...)
{
va_list ap;
char *s;
va_start(ap, fmt);
xvasprintf(&s, fmt, ap);
va_end(ap);
return (s);
}
/* Callback for host. */
static void *
format_cb_host(__unused struct format_tree *ft)
{
char host[HOST_NAME_MAX + 1];
if (gethostname(host, sizeof host) != 0)
return (xstrdup(""));
return (xstrdup(host));
}
/* Callback for host_short. */
static void *
format_cb_host_short(__unused struct format_tree *ft)
{
char host[HOST_NAME_MAX + 1], *cp;
if (gethostname(host, sizeof host) != 0)
return (xstrdup(""));
if ((cp = strchr(host, '.')) != NULL)
*cp = '\0';
return (xstrdup(host));
}
/* Callback for pid. */
static void *
format_cb_pid(__unused struct format_tree *ft)
{
char *value;
xasprintf(&value, "%ld", (long)getpid());
return (value);
}
/* Callback for session_attached_list. */
static void *
format_cb_session_attached_list(struct format_tree *ft)
{
struct session *s = ft->s;
struct client *loop;
struct evbuffer *buffer;
int size;
char *value = NULL;
if (s == NULL)
return (NULL);
buffer = evbuffer_new();
if (buffer == NULL)
fatalx("out of memory");
TAILQ_FOREACH(loop, &clients, entry) {
if (loop->session == s) {
if (EVBUFFER_LENGTH(buffer) > 0)
evbuffer_add(buffer, ",", 1);
evbuffer_add_printf(buffer, "%s", loop->name);
}
}
if ((size = EVBUFFER_LENGTH(buffer)) != 0)
xasprintf(&value, "%.*s", size, EVBUFFER_DATA(buffer));
evbuffer_free(buffer);
return (value);
}
/* Callback for session_alerts. */
static void *
format_cb_session_alerts(struct format_tree *ft)
{
struct session *s = ft->s;
struct winlink *wl;
char alerts[1024], tmp[16];
if (s == NULL)
return (NULL);
*alerts = '\0';
RB_FOREACH(wl, winlinks, &s->windows) {
if ((wl->flags & WINLINK_ALERTFLAGS) == 0)
continue;
xsnprintf(tmp, sizeof tmp, "%u", wl->idx);
if (*alerts != '\0')
strlcat(alerts, ",", sizeof alerts);
strlcat(alerts, tmp, sizeof alerts);
if (wl->flags & WINLINK_ACTIVITY)
strlcat(alerts, "#", sizeof alerts);
if (wl->flags & WINLINK_BELL)
strlcat(alerts, "!", sizeof alerts);
if (wl->flags & WINLINK_SILENCE)
strlcat(alerts, "~", sizeof alerts);
}
return (xstrdup(alerts));
}
/* Callback for session_stack. */
static void *
format_cb_session_stack(struct format_tree *ft)
{
struct session *s = ft->s;
struct winlink *wl;
char result[1024], tmp[16];
if (s == NULL)
return (NULL);
xsnprintf(result, sizeof result, "%u", s->curw->idx);
TAILQ_FOREACH(wl, &s->lastw, sentry) {
xsnprintf(tmp, sizeof tmp, "%u", wl->idx);
if (*result != '\0')
strlcat(result, ",", sizeof result);
strlcat(result, tmp, sizeof result);
}
return (xstrdup(result));
}
/* Callback for window_stack_index. */
static void *
format_cb_window_stack_index(struct format_tree *ft)
{
struct session *s;
struct winlink *wl;
u_int idx;
char *value = NULL;
if (ft->wl == NULL)
return (NULL);
s = ft->wl->session;
idx = 0;
TAILQ_FOREACH(wl, &s->lastw, sentry) {
idx++;
if (wl == ft->wl)
break;
}
if (wl == NULL)
return (xstrdup("0"));
xasprintf(&value, "%u", idx);
return (value);
}
/* Callback for window_linked_sessions_list. */
static void *
format_cb_window_linked_sessions_list(struct format_tree *ft)
{
struct window *w;
struct winlink *wl;
struct evbuffer *buffer;
int size;
char *value = NULL;
if (ft->wl == NULL)
return (NULL);
w = ft->wl->window;
buffer = evbuffer_new();
if (buffer == NULL)
fatalx("out of memory");
TAILQ_FOREACH(wl, &w->winlinks, wentry) {
if (EVBUFFER_LENGTH(buffer) > 0)
evbuffer_add(buffer, ",", 1);
evbuffer_add_printf(buffer, "%s", wl->session->name);
}
if ((size = EVBUFFER_LENGTH(buffer)) != 0)
xasprintf(&value, "%.*s", size, EVBUFFER_DATA(buffer));
evbuffer_free(buffer);
return (value);
}
/* Callback for window_active_sessions. */
static void *
format_cb_window_active_sessions(struct format_tree *ft)
{
struct window *w;
struct winlink *wl;
u_int n = 0;
char *value;
if (ft->wl == NULL)
return (NULL);
w = ft->wl->window;
TAILQ_FOREACH(wl, &w->winlinks, wentry) {
if (wl->session->curw == wl)
n++;
}
xasprintf(&value, "%u", n);
return (value);
}
/* Callback for window_active_sessions_list. */
static void *
format_cb_window_active_sessions_list(struct format_tree *ft)
{
struct window *w;
struct winlink *wl;
struct evbuffer *buffer;
int size;
char *value = NULL;
if (ft->wl == NULL)
return (NULL);
w = ft->wl->window;
buffer = evbuffer_new();
if (buffer == NULL)
fatalx("out of memory");
TAILQ_FOREACH(wl, &w->winlinks, wentry) {
if (wl->session->curw == wl) {
if (EVBUFFER_LENGTH(buffer) > 0)
evbuffer_add(buffer, ",", 1);
evbuffer_add_printf(buffer, "%s", wl->session->name);
}
}
if ((size = EVBUFFER_LENGTH(buffer)) != 0)
xasprintf(&value, "%.*s", size, EVBUFFER_DATA(buffer));
evbuffer_free(buffer);
return (value);
}
/* Callback for window_active_clients. */
static void *
format_cb_window_active_clients(struct format_tree *ft)
{
struct window *w;
struct client *loop;
struct session *client_session;
u_int n = 0;
char *value;
if (ft->wl == NULL)
return (NULL);
w = ft->wl->window;
TAILQ_FOREACH(loop, &clients, entry) {
client_session = loop->session;
if (client_session == NULL)
continue;
if (w == client_session->curw->window)
n++;
}
xasprintf(&value, "%u", n);
return (value);
}
/* Callback for window_active_clients_list. */
static void *
format_cb_window_active_clients_list(struct format_tree *ft)
{
struct window *w;
struct client *loop;
struct session *client_session;
struct evbuffer *buffer;
int size;
char *value = NULL;
if (ft->wl == NULL)
return (NULL);
w = ft->wl->window;
buffer = evbuffer_new();
if (buffer == NULL)
fatalx("out of memory");
TAILQ_FOREACH(loop, &clients, entry) {
client_session = loop->session;
if (client_session == NULL)
continue;
if (w == client_session->curw->window) {
if (EVBUFFER_LENGTH(buffer) > 0)
evbuffer_add(buffer, ",", 1);
evbuffer_add_printf(buffer, "%s", loop->name);
}
}
if ((size = EVBUFFER_LENGTH(buffer)) != 0)
xasprintf(&value, "%.*s", size, EVBUFFER_DATA(buffer));
evbuffer_free(buffer);
return (value);
}
/* Callback for window_layout. */
static void *
format_cb_window_layout(struct format_tree *ft)
{
struct window *w = ft->w;
if (w == NULL)
return (NULL);
if (w->saved_layout_root != NULL)
return (layout_dump(w->saved_layout_root));
return (layout_dump(w->layout_root));
}
/* Callback for window_visible_layout. */
static void *
format_cb_window_visible_layout(struct format_tree *ft)
{
struct window *w = ft->w;
if (w == NULL)
return (NULL);
return (layout_dump(w->layout_root));
}
/* Callback for pane_start_command. */
static void *
format_cb_start_command(struct format_tree *ft)
{
struct window_pane *wp = ft->wp;
if (wp == NULL)
return (NULL);
return (cmd_stringify_argv(wp->argc, wp->argv));
}
/* Callback for pane_current_command. */
static void *
format_cb_current_command(struct format_tree *ft)
{
struct window_pane *wp = ft->wp;
char *cmd, *value;
if (wp == NULL || wp->shell == NULL)
return (NULL);
cmd = get_proc_name(wp->fd, wp->tty);
if (cmd == NULL || *cmd == '\0') {
free(cmd);
cmd = cmd_stringify_argv(wp->argc, wp->argv);
if (cmd == NULL || *cmd == '\0') {
free(cmd);
cmd = xstrdup(wp->shell);
}
}
value = parse_window_name(cmd);
free(cmd);
return (value);
}
/* Callback for pane_current_path. */
static void *
format_cb_current_path(struct format_tree *ft)
{
struct window_pane *wp = ft->wp;
char *cwd;
if (wp == NULL)
return (NULL);
cwd = get_proc_cwd(wp->fd);
if (cwd == NULL)
return (NULL);
return (xstrdup(cwd));
}
/* Callback for history_bytes. */
static void *
format_cb_history_bytes(struct format_tree *ft)
{
struct window_pane *wp = ft->wp;
struct grid *gd;
struct grid_line *gl;
size_t size = 0;
u_int i;
char *value;
if (wp == NULL)
return (NULL);
gd = wp->base.grid;
for (i = 0; i < gd->hsize + gd->sy; i++) {
gl = grid_get_line(gd, i);
size += gl->cellsize * sizeof *gl->celldata;
size += gl->extdsize * sizeof *gl->extddata;
}
size += (gd->hsize + gd->sy) * sizeof *gl;
xasprintf(&value, "%zu", size);
return (value);
}
/* Callback for history_all_bytes. */
static void *
format_cb_history_all_bytes(struct format_tree *ft)
{
struct window_pane *wp = ft->wp;
struct grid *gd;
struct grid_line *gl;
u_int i, lines, cells = 0, extended_cells = 0;
char *value;
if (wp == NULL)
return (NULL);
gd = wp->base.grid;
lines = gd->hsize + gd->sy;
for (i = 0; i < lines; i++) {
gl = grid_get_line(gd, i);
cells += gl->cellsize;
extended_cells += gl->extdsize;
}
xasprintf(&value, "%u,%zu,%u,%zu,%u,%zu", lines,
lines * sizeof *gl, cells, cells * sizeof *gl->celldata,
extended_cells, extended_cells * sizeof *gl->extddata);
return (value);
}
/* Callback for pane_tabs. */
static void *
format_cb_pane_tabs(struct format_tree *ft)
{
struct window_pane *wp = ft->wp;
struct evbuffer *buffer;
u_int i;
int size;
char *value = NULL;
if (wp == NULL)
return (NULL);
buffer = evbuffer_new();
if (buffer == NULL)
fatalx("out of memory");
for (i = 0; i < wp->base.grid->sx; i++) {
if (!bit_test(wp->base.tabs, i))
continue;
if (EVBUFFER_LENGTH(buffer) > 0)
evbuffer_add(buffer, ",", 1);
evbuffer_add_printf(buffer, "%u", i);
}
if ((size = EVBUFFER_LENGTH(buffer)) != 0)
xasprintf(&value, "%.*s", size, EVBUFFER_DATA(buffer));
evbuffer_free(buffer);
return (value);
}
/* Callback for pane_fg. */
static void *
format_cb_pane_fg(struct format_tree *ft)
{
struct window_pane *wp = ft->wp;
struct grid_cell gc;
tty_default_colours(&gc, wp);
return (xstrdup(colour_tostring(gc.fg)));
}
/* Callback for pane_bg. */
static void *
format_cb_pane_bg(struct format_tree *ft)
{
struct window_pane *wp = ft->wp;
struct grid_cell gc;
tty_default_colours(&gc, wp);
return (xstrdup(colour_tostring(gc.bg)));
}
/* Callback for session_group_list. */
static void *
format_cb_session_group_list(struct format_tree *ft)
{
struct session *s = ft->s;
struct session_group *sg;
struct session *loop;
struct evbuffer *buffer;
int size;
char *value = NULL;
if (s == NULL)
return (NULL);
sg = session_group_contains(s);
if (sg == NULL)
return (NULL);
buffer = evbuffer_new();
if (buffer == NULL)
fatalx("out of memory");
TAILQ_FOREACH(loop, &sg->sessions, gentry) {
if (EVBUFFER_LENGTH(buffer) > 0)
evbuffer_add(buffer, ",", 1);
evbuffer_add_printf(buffer, "%s", loop->name);
}
if ((size = EVBUFFER_LENGTH(buffer)) != 0)
xasprintf(&value, "%.*s", size, EVBUFFER_DATA(buffer));
evbuffer_free(buffer);
return (value);
}
/* Callback for session_group_attached_list. */
static void *
format_cb_session_group_attached_list(struct format_tree *ft)
{
struct session *s = ft->s, *client_session, *session_loop;
struct session_group *sg;
struct client *loop;
struct evbuffer *buffer;
int size;
char *value = NULL;
if (s == NULL)
return (NULL);
sg = session_group_contains(s);
if (sg == NULL)
return (NULL);
buffer = evbuffer_new();
if (buffer == NULL)
fatalx("out of memory");
TAILQ_FOREACH(loop, &clients, entry) {
client_session = loop->session;
if (client_session == NULL)
continue;
TAILQ_FOREACH(session_loop, &sg->sessions, gentry) {
if (session_loop == client_session){
if (EVBUFFER_LENGTH(buffer) > 0)
evbuffer_add(buffer, ",", 1);
evbuffer_add_printf(buffer, "%s", loop->name);
}
}
}
if ((size = EVBUFFER_LENGTH(buffer)) != 0)
xasprintf(&value, "%.*s", size, EVBUFFER_DATA(buffer));
evbuffer_free(buffer);
return (value);
}
/* Callback for pane_in_mode. */
static void *
format_cb_pane_in_mode(struct format_tree *ft)
{
struct window_pane *wp = ft->wp;
u_int n = 0;
struct window_mode_entry *wme;
char *value;
if (wp == NULL)
return (NULL);
TAILQ_FOREACH(wme, &wp->modes, entry)
n++;
xasprintf(&value, "%u", n);
return (value);
}
/* Callback for pane_at_top. */
static void *
format_cb_pane_at_top(struct format_tree *ft)
{
struct window_pane *wp = ft->wp;
struct window *w;
int status, flag;
char *value;
if (wp == NULL)
return (NULL);
w = wp->window;
status = options_get_number(w->options, "pane-border-status");
if (status == PANE_STATUS_TOP)
flag = (wp->yoff == 1);
else
flag = (wp->yoff == 0);
xasprintf(&value, "%d", flag);
return (value);
}
/* Callback for pane_at_bottom. */
static void *
format_cb_pane_at_bottom(struct format_tree *ft)
{
struct window_pane *wp = ft->wp;
struct window *w;
int status, flag;
char *value;
if (wp == NULL)
return (NULL);
w = wp->window;
status = options_get_number(w->options, "pane-border-status");
if (status == PANE_STATUS_BOTTOM)
flag = (wp->yoff + wp->sy == w->sy - 1);
else
flag = (wp->yoff + wp->sy == w->sy);
xasprintf(&value, "%d", flag);
return (value);
}
/* Callback for cursor_character. */
static void *
format_cb_cursor_character(struct format_tree *ft)
{
struct window_pane *wp = ft->wp;
struct grid_cell gc;
char *value = NULL;
if (wp == NULL)
return (NULL);
grid_view_get_cell(wp->base.grid, wp->base.cx, wp->base.cy, &gc);
if (~gc.flags & GRID_FLAG_PADDING)
xasprintf(&value, "%.*s", (int)gc.data.size, gc.data.data);
return (value);
}
/* Callback for mouse_word. */
static void *
format_cb_mouse_word(struct format_tree *ft)
{
struct window_pane *wp;
struct grid *gd;
u_int x, y;
char *s;
if (!ft->m.valid)
return (NULL);
wp = cmd_mouse_pane(&ft->m, NULL, NULL);
if (wp == NULL)
return (NULL);
if (cmd_mouse_at(wp, &ft->m, &x, &y, 0) != 0)
return (NULL);
if (!TAILQ_EMPTY(&wp->modes)) {
if (TAILQ_FIRST(&wp->modes)->mode == &window_copy_mode ||
TAILQ_FIRST(&wp->modes)->mode == &window_view_mode)
return (s = window_copy_get_word(wp, x, y));
return (NULL);
}
gd = wp->base.grid;
return (format_grid_word(gd, x, gd->hsize + y));
}
/* Callback for mouse_line. */
static void *
format_cb_mouse_line(struct format_tree *ft)
{
struct window_pane *wp;
struct grid *gd;
u_int x, y;
if (!ft->m.valid)
return (NULL);
wp = cmd_mouse_pane(&ft->m, NULL, NULL);
if (wp == NULL)
return (NULL);
if (cmd_mouse_at(wp, &ft->m, &x, &y, 0) != 0)
return (NULL);
if (!TAILQ_EMPTY(&wp->modes)) {
if (TAILQ_FIRST(&wp->modes)->mode == &window_copy_mode ||
TAILQ_FIRST(&wp->modes)->mode == &window_view_mode)
return (window_copy_get_line(wp, y));
return (NULL);
}
gd = wp->base.grid;
return (format_grid_line(gd, gd->hsize + y));
}
/* Callback for alternate_on. */
static void *
format_cb_alternate_on(struct format_tree *ft)
{
if (ft->wp != NULL) {
if (ft->wp->base.saved_grid != NULL)
return (xstrdup("1"));
return (xstrdup("0"));
}
return (NULL);
}
/* Callback for alternate_saved_x. */
static void *
format_cb_alternate_saved_x(struct format_tree *ft)
{
if (ft->wp != NULL)
return (format_printf("%u", ft->wp->base.saved_cx));
return (NULL);
}
/* Callback for alternate_saved_y. */
static void *
format_cb_alternate_saved_y(struct format_tree *ft)
{
if (ft->wp != NULL)
return (format_printf("%u", ft->wp->base.saved_cy));
return (NULL);
}
/* Callback for buffer_name. */
static void *
format_cb_buffer_name(struct format_tree *ft)
{
if (ft->pb != NULL)
return (xstrdup(paste_buffer_name(ft->pb)));
return (NULL);
}
/* Callback for buffer_sample. */
static void *
format_cb_buffer_sample(struct format_tree *ft)
{
if (ft->pb != NULL)
return (paste_make_sample(ft->pb));
return (NULL);
}
/* Callback for buffer_size. */
static void *
format_cb_buffer_size(struct format_tree *ft)
{
size_t size;
if (ft->pb != NULL) {
paste_buffer_data(ft->pb, &size);
return (format_printf("%zu", size));
}
return (NULL);
}
/* Callback for client_cell_height. */
static void *
format_cb_client_cell_height(struct format_tree *ft)
{
if (ft->c != NULL && (ft->c->tty.flags & TTY_STARTED))
return (format_printf("%u", ft->c->tty.ypixel));
return (NULL);
}
/* Callback for client_cell_width. */
static void *
format_cb_client_cell_width(struct format_tree *ft)
{
if (ft->c != NULL && (ft->c->tty.flags & TTY_STARTED))
return (format_printf("%u", ft->c->tty.xpixel));
return (NULL);
}
/* Callback for client_control_mode. */
static void *
format_cb_client_control_mode(struct format_tree *ft)
{
if (ft->c != NULL) {
if (ft->c->flags & CLIENT_CONTROL)
return (xstrdup("1"));
return (xstrdup("0"));
}
return (NULL);
}
/* Callback for client_discarded. */
static void *
format_cb_client_discarded(struct format_tree *ft)
{
if (ft->c != NULL)
return (format_printf("%zu", ft->c->discarded));
return (NULL);
}
/* Callback for client_flags. */
static void *
format_cb_client_flags(struct format_tree *ft)
{
if (ft->c != NULL)
return (xstrdup(server_client_get_flags(ft->c)));
return (NULL);
}
/* Callback for client_height. */
static void *
format_cb_client_height(struct format_tree *ft)
{
if (ft->c != NULL && (ft->c->tty.flags & TTY_STARTED))
return (format_printf("%u", ft->c->tty.sy));
return (NULL);
}
/* Callback for client_key_table. */
static void *
format_cb_client_key_table(struct format_tree *ft)
{
if (ft->c != NULL)
return (xstrdup(ft->c->keytable->name));
return (NULL);
}
/* Callback for client_last_session. */
static void *
format_cb_client_last_session(struct format_tree *ft)
{
if (ft->c != NULL &&
ft->c->last_session != NULL &&
session_alive(ft->c->last_session))
return (xstrdup(ft->c->last_session->name));
return (NULL);
}
/* Callback for client_name. */
static void *
format_cb_client_name(struct format_tree *ft)
{
if (ft->c != NULL)
return (xstrdup(ft->c->name));
return (NULL);
}
/* Callback for client_pid. */
static void *
format_cb_client_pid(struct format_tree *ft)
{
if (ft->c != NULL)
return (format_printf("%ld", (long)ft->c->pid));
return (NULL);
}
/* Callback for client_prefix. */
static void *
format_cb_client_prefix(struct format_tree *ft)
{
const char *name;
if (ft->c != NULL) {
name = server_client_get_key_table(ft->c);
if (strcmp(ft->c->keytable->name, name) == 0)
return (xstrdup("0"));
return (xstrdup("1"));
}
return (NULL);
}
/* Callback for client_readonly. */
static void *
format_cb_client_readonly(struct format_tree *ft)
{
if (ft->c != NULL) {
if (ft->c->flags & CLIENT_READONLY)
return (xstrdup("1"));
return (xstrdup("0"));
}
return (NULL);
}
/* Callback for client_session. */
static void *
format_cb_client_session(struct format_tree *ft)
{
if (ft->c != NULL && ft->c->session != NULL)
return (xstrdup(ft->c->session->name));
return (NULL);
}
/* Callback for client_termfeatures. */
static void *
format_cb_client_termfeatures(struct format_tree *ft)
{
if (ft->c != NULL)
return (xstrdup(tty_get_features(ft->c->term_features)));
return (NULL);
}
/* Callback for client_termname. */
static void *
format_cb_client_termname(struct format_tree *ft)
{
if (ft->c != NULL)
return (xstrdup(ft->c->term_name));
return (NULL);
}
/* Callback for client_termtype. */
static void *
format_cb_client_termtype(struct format_tree *ft)
{
if (ft->c != NULL) {
if (ft->c->term_type == NULL)
return (xstrdup(""));
return (xstrdup(ft->c->term_type));
}
return (NULL);
}
/* Callback for client_tty. */
static void *
format_cb_client_tty(struct format_tree *ft)
{
if (ft->c != NULL)
return (xstrdup(ft->c->ttyname));
return (NULL);
}
/* Callback for client_utf8. */
static void *
format_cb_client_utf8(struct format_tree *ft)
{
if (ft->c != NULL) {
if (ft->c->flags & CLIENT_UTF8)
return (xstrdup("1"));
return (xstrdup("0"));
}
return (NULL);
}
/* Callback for client_width. */
static void *
format_cb_client_width(struct format_tree *ft)
{
if (ft->c != NULL)
return (format_printf("%u", ft->c->tty.sx));
return (NULL);
}
/* Callback for client_written. */
static void *
format_cb_client_written(struct format_tree *ft)
{
if (ft->c != NULL)
return (format_printf("%zu", ft->c->written));
return (NULL);
}
/* Callback for config_files. */
static void *
format_cb_config_files(__unused struct format_tree *ft)
{
char *s = NULL;
size_t slen = 0;
u_int i;
size_t n;
for (i = 0; i < cfg_nfiles; i++) {
n = strlen(cfg_files[i]) + 1;
s = xrealloc(s, slen + n + 1);
slen += xsnprintf(s + slen, n + 1, "%s,", cfg_files[i]);
}
if (s == NULL)
return (xstrdup(""));
s[slen - 1] = '\0';
return (s);
}
/* Callback for cursor_flag. */
static void *
format_cb_cursor_flag(struct format_tree *ft)
{
if (ft->wp != NULL) {
if (ft->wp->base.mode & MODE_CURSOR)
return (xstrdup("1"));
return (xstrdup("0"));
}
return (NULL);
}
/* Callback for cursor_x. */
static void *
format_cb_cursor_x(struct format_tree *ft)
{
if (ft->wp != NULL)
return (format_printf("%u", ft->wp->base.cx));
return (NULL);
}
/* Callback for cursor_y. */
static void *
format_cb_cursor_y(struct format_tree *ft)
{
if (ft->wp != NULL)
return (format_printf("%u", ft->wp->base.cy));
return (NULL);
}
/* Callback for history_limit. */
static void *
format_cb_history_limit(struct format_tree *ft)
{
if (ft->wp != NULL)
return (format_printf("%u", ft->wp->base.grid->hlimit));
return (NULL);
}
/* Callback for history_size. */
static void *
format_cb_history_size(struct format_tree *ft)
{
if (ft->wp != NULL)
return (format_printf("%u", ft->wp->base.grid->hsize));
return (NULL);
}
/* Callback for insert_flag. */
static void *
format_cb_insert_flag(struct format_tree *ft)
{
if (ft->wp != NULL) {
if (ft->wp->base.mode & MODE_INSERT)
return (xstrdup("1"));
return (xstrdup("0"));
}
return (NULL);
}
/* Callback for keypad_cursor_flag. */
static void *
format_cb_keypad_cursor_flag(struct format_tree *ft)
{
if (ft->wp != NULL) {
if (ft->wp->base.mode & MODE_KCURSOR)
return (xstrdup("1"));
return (xstrdup("0"));
}
return (NULL);
}
/* Callback for keypad_flag. */
static void *
format_cb_keypad_flag(struct format_tree *ft)
{
if (ft->wp != NULL) {
if (ft->wp->base.mode & MODE_KKEYPAD)
return (xstrdup("1"));
return (xstrdup("0"));
}
return (NULL);
}
/* Callback for mouse_all_flag. */
static void *
format_cb_mouse_all_flag(struct format_tree *ft)
{
if (ft->wp != NULL) {
if (ft->wp->base.mode & MODE_MOUSE_ALL)
return (xstrdup("1"));
return (xstrdup("0"));
}
return (NULL);
}
/* Callback for mouse_any_flag. */
static void *
format_cb_mouse_any_flag(struct format_tree *ft)
{
if (ft->wp != NULL) {
if (ft->wp->base.mode & ALL_MOUSE_MODES)
return (xstrdup("1"));
return (xstrdup("0"));
}
return (NULL);
}
/* Callback for mouse_button_flag. */
static void *
format_cb_mouse_button_flag(struct format_tree *ft)
{
if (ft->wp != NULL) {
if (ft->wp->base.mode & MODE_MOUSE_BUTTON)
return (xstrdup("1"));
return (xstrdup("0"));
}
return (NULL);
}
/* Callback for mouse_pane. */
static void *
format_cb_mouse_pane(struct format_tree *ft)
{
struct window_pane *wp;
if (ft->m.valid) {
wp = cmd_mouse_pane(&ft->m, NULL, NULL);
if (wp != NULL)
return (format_printf("%%%u", wp->id));
return (NULL);
}
return (NULL);
}
/* Callback for mouse_sgr_flag. */
static void *
format_cb_mouse_sgr_flag(struct format_tree *ft)
{
if (ft->wp != NULL) {
if (ft->wp->base.mode & MODE_MOUSE_SGR)
return (xstrdup("1"));
return (xstrdup("0"));
}
return (NULL);
}
/* Callback for mouse_standard_flag. */
static void *
format_cb_mouse_standard_flag(struct format_tree *ft)
{
if (ft->wp != NULL) {
if (ft->wp->base.mode & MODE_MOUSE_STANDARD)
return (xstrdup("1"));
return (xstrdup("0"));
}
return (NULL);
}
/* Callback for mouse_utf8_flag. */
static void *
format_cb_mouse_utf8_flag(struct format_tree *ft)
{
if (ft->wp != NULL) {
if (ft->wp->base.mode & MODE_MOUSE_UTF8)
return (xstrdup("1"));
return (xstrdup("0"));
}
return (NULL);
}
/* Callback for mouse_x. */
static void *
format_cb_mouse_x(struct format_tree *ft)
{
struct window_pane *wp;
u_int x, y;
if (ft->m.valid) {
wp = cmd_mouse_pane(&ft->m, NULL, NULL);
if (wp != NULL && cmd_mouse_at(wp, &ft->m, &x, &y, 0) == 0)
return (format_printf("%u", x));
return (NULL);
}
return (NULL);
}
/* Callback for mouse_y. */
static void *
format_cb_mouse_y(struct format_tree *ft)
{
struct window_pane *wp;
u_int x, y;
if (ft->m.valid) {
wp = cmd_mouse_pane(&ft->m, NULL, NULL);
if (wp != NULL && cmd_mouse_at(wp, &ft->m, &x, &y, 0) == 0)
return (format_printf("%u", y));
return (NULL);
}
return (NULL);
}
/* Callback for origin_flag. */
static void *
format_cb_origin_flag(struct format_tree *ft)
{
if (ft->wp != NULL) {
if (ft->wp->base.mode & MODE_ORIGIN)
return (xstrdup("1"));
return (xstrdup("0"));
}
return (NULL);
}
/* Callback for pane_active. */
static void *
format_cb_pane_active(struct format_tree *ft)
{
if (ft->wp != NULL) {
if (ft->wp == ft->wp->window->active)
return (xstrdup("1"));
return (xstrdup("0"));
}
return (NULL);
}
/* Callback for pane_at_left. */
static void *
format_cb_pane_at_left(struct format_tree *ft)
{
if (ft->wp != NULL) {
if (ft->wp->xoff == 0)
return (xstrdup("1"));
return (xstrdup("0"));
}
return (NULL);
}
/* Callback for pane_at_right. */
static void *
format_cb_pane_at_right(struct format_tree *ft)
{
if (ft->wp != NULL) {
if (ft->wp->xoff + ft->wp->sx == ft->wp->window->sx)
return (xstrdup("1"));
return (xstrdup("0"));
}
return (NULL);
}
/* Callback for pane_bottom. */
static void *
format_cb_pane_bottom(struct format_tree *ft)
{
if (ft->wp != NULL)
return (format_printf("%u", ft->wp->yoff + ft->wp->sy - 1));
return (NULL);
}
/* Callback for pane_dead. */
static void *
format_cb_pane_dead(struct format_tree *ft)
{
if (ft->wp != NULL) {
if (ft->wp->fd == -1)
return (xstrdup("1"));
return (xstrdup("0"));
}
return (NULL);
}
/* Callback for pane_dead_status. */
static void *
format_cb_pane_dead_status(struct format_tree *ft)
{
struct window_pane *wp = ft->wp;
if (wp != NULL) {
if ((wp->flags & PANE_STATUSREADY) && WIFEXITED(wp->status))
return (format_printf("%d", WEXITSTATUS(wp->status)));
return (NULL);
}
return (NULL);
}
/* Callback for pane_format. */
static void *
format_cb_pane_format(struct format_tree *ft)
{
if (ft->type == FORMAT_TYPE_PANE)
return (xstrdup("1"));
return (xstrdup("0"));
}
/* Callback for pane_height. */
static void *
format_cb_pane_height(struct format_tree *ft)
{
if (ft->wp != NULL)
return (format_printf("%u", ft->wp->sy));
return (NULL);
}
/* Callback for pane_id. */
static void *
format_cb_pane_id(struct format_tree *ft)
{
if (ft->wp != NULL)
return (format_printf("%%%u", ft->wp->id));
return (NULL);
}
/* Callback for pane_index. */
static void *
format_cb_pane_index(struct format_tree *ft)
{
u_int idx;
if (ft->wp != NULL && window_pane_index(ft->wp, &idx) == 0)
return (format_printf("%u", idx));
return (NULL);
}
/* Callback for pane_input_off. */
static void *
format_cb_pane_input_off(struct format_tree *ft)
{
if (ft->wp != NULL) {
if (ft->wp->flags & PANE_INPUTOFF)
return (xstrdup("1"));
return (xstrdup("0"));
}
return (NULL);
}
/* Callback for pane_last. */
static void *
format_cb_pane_last(struct format_tree *ft)
{
if (ft->wp != NULL) {
if (ft->wp == ft->wp->window->last)
return (xstrdup("1"));
return (xstrdup("0"));
}
return (NULL);
}
/* Callback for pane_left. */
static void *
format_cb_pane_left(struct format_tree *ft)
{
if (ft->wp != NULL)
return (format_printf("%u", ft->wp->xoff));
return (NULL);
}
/* Callback for pane_marked. */
static void *
format_cb_pane_marked(struct format_tree *ft)
{
if (ft->wp != NULL) {
if (server_check_marked() && marked_pane.wp == ft->wp)
return (xstrdup("1"));
return (xstrdup("0"));
}
return (NULL);
}
/* Callback for pane_marked_set. */
static void *
format_cb_pane_marked_set(struct format_tree *ft)
{
if (ft->wp != NULL) {
if (server_check_marked())
return (xstrdup("1"));
return (xstrdup("0"));
}
return (NULL);
}
/* Callback for pane_mode. */
static void *
format_cb_pane_mode(struct format_tree *ft)
{
struct window_mode_entry *wme;
if (ft->wp != NULL) {
wme = TAILQ_FIRST(&ft->wp->modes);
if (wme != NULL)
return (xstrdup(wme->mode->name));
return (NULL);
}
return (NULL);
}
/* Callback for pane_path. */
static void *
format_cb_pane_path(struct format_tree *ft)
{
if (ft->wp != NULL) {
if (ft->wp->base.path == NULL)
return (xstrdup(""));
return (xstrdup(ft->wp->base.path));
}
return (NULL);
}
/* Callback for pane_pid. */
static void *
format_cb_pane_pid(struct format_tree *ft)
{
if (ft->wp != NULL)
return (format_printf("%ld", (long)ft->wp->pid));
return (NULL);
}
/* Callback for pane_pipe. */
static void *
format_cb_pane_pipe(struct format_tree *ft)
{
if (ft->wp != NULL) {
if (ft->wp->pipe_fd != -1)
return (xstrdup("1"));
return (xstrdup("0"));
}
return (NULL);
}
/* Callback for pane_right. */
static void *
format_cb_pane_right(struct format_tree *ft)
{
if (ft->wp != NULL)
return (format_printf("%u", ft->wp->xoff + ft->wp->sx - 1));
return (NULL);
}
/* Callback for pane_search_string. */
static void *
format_cb_pane_search_string(struct format_tree *ft)
{
if (ft->wp != NULL) {
if (ft->wp->searchstr == NULL)
return (xstrdup(""));
return (xstrdup(ft->wp->searchstr));
}
return (NULL);
}
/* Callback for pane_synchronized. */
static void *
format_cb_pane_synchronized(struct format_tree *ft)
{
if (ft->wp != NULL) {
if (options_get_number(ft->wp->options, "synchronize-panes"))
return (xstrdup("1"));
return (xstrdup("0"));
}
return (NULL);
}
/* Callback for pane_title. */
static void *
format_cb_pane_title(struct format_tree *ft)
{
if (ft->wp != NULL)
return (xstrdup(ft->wp->base.title));
return (NULL);
}
/* Callback for pane_top. */
static void *
format_cb_pane_top(struct format_tree *ft)
{
if (ft->wp != NULL)
return (format_printf("%u", ft->wp->yoff));
return (NULL);
}
/* Callback for pane_tty. */
static void *
format_cb_pane_tty(struct format_tree *ft)
{
if (ft->wp != NULL)
return (xstrdup(ft->wp->tty));
return (NULL);
}
/* Callback for pane_width. */
static void *
format_cb_pane_width(struct format_tree *ft)
{
if (ft->wp != NULL)
return (format_printf("%u", ft->wp->sx));
return (NULL);
}
/* Callback for scroll_region_lower. */
static void *
format_cb_scroll_region_lower(struct format_tree *ft)
{
if (ft->wp != NULL)
return (format_printf("%u", ft->wp->base.rlower));
return (NULL);
}
/* Callback for scroll_region_upper. */
static void *
format_cb_scroll_region_upper(struct format_tree *ft)
{
if (ft->wp != NULL)
return (format_printf("%u", ft->wp->base.rupper));
return (NULL);
}
/* Callback for session_attached. */
static void *
format_cb_session_attached(struct format_tree *ft)
{
if (ft->s != NULL)
return (format_printf("%u", ft->s->attached));
return (NULL);
}
/* Callback for session_format. */
static void *
format_cb_session_format(struct format_tree *ft)
{
if (ft->type == FORMAT_TYPE_SESSION)
return (xstrdup("1"));
return (xstrdup("0"));
}
/* Callback for session_group. */
static void *
format_cb_session_group(struct format_tree *ft)
{
struct session_group *sg;
if (ft->s != NULL && (sg = session_group_contains(ft->s)) != NULL)
return (xstrdup(sg->name));
return (NULL);
}
/* Callback for session_group_attached. */
static void *
format_cb_session_group_attached(struct format_tree *ft)
{
struct session_group *sg;
if (ft->s != NULL && (sg = session_group_contains(ft->s)) != NULL)
return (format_printf("%u", session_group_attached_count (sg)));
return (NULL);
}
/* Callback for session_group_many_attached. */
static void *
format_cb_session_group_many_attached(struct format_tree *ft)
{
struct session_group *sg;
if (ft->s != NULL && (sg = session_group_contains(ft->s)) != NULL) {
if (session_group_attached_count (sg) > 1)
return (xstrdup("1"));
return (xstrdup("0"));
}
return (NULL);
}
/* Callback for session_group_size. */
static void *
format_cb_session_group_size(struct format_tree *ft)
{
struct session_group *sg;
if (ft->s != NULL && (sg = session_group_contains(ft->s)) != NULL)
return (format_printf("%u", session_group_count (sg)));
return (NULL);
}
/* Callback for session_grouped. */
static void *
format_cb_session_grouped(struct format_tree *ft)
{
if (ft->s != NULL) {
if (session_group_contains(ft->s) != NULL)
return (xstrdup("1"));
return (xstrdup("0"));
}
return (NULL);
}
/* Callback for session_id. */
static void *
format_cb_session_id(struct format_tree *ft)
{
if (ft->s != NULL)
return (format_printf("$%u", ft->s->id));
return (NULL);
}
/* Callback for session_many_attached. */
static void *
format_cb_session_many_attached(struct format_tree *ft)
{
if (ft->s != NULL) {
if (ft->s->attached > 1)
return (xstrdup("1"));
return (xstrdup("0"));
}
return (NULL);
}
/* Callback for session_marked. */
static void *
format_cb_session_marked(struct format_tree *ft)
{
if (ft->s != NULL) {
if (server_check_marked() && marked_pane.s == ft->s)
return (xstrdup("1"));
return (xstrdup("0"));
}
return (NULL);
}
/* Callback for session_name. */
static void *
format_cb_session_name(struct format_tree *ft)
{
if (ft->s != NULL)
return (xstrdup(ft->s->name));
return (NULL);
}
/* Callback for session_path. */
static void *
format_cb_session_path(struct format_tree *ft)
{
if (ft->s != NULL)
return (xstrdup(ft->s->cwd));
return (NULL);
}
/* Callback for session_windows. */
static void *
format_cb_session_windows(struct format_tree *ft)
{
if (ft->s != NULL)
return (format_printf ("%u", winlink_count(&ft->s->windows)));
return (NULL);
}
/* Callback for socket_path. */
static void *
format_cb_socket_path(__unused struct format_tree *ft)
{
return (xstrdup(socket_path));
}
/* Callback for version. */
static void *
format_cb_version(__unused struct format_tree *ft)
{
return (xstrdup(getversion()));
}
/* Callback for active_window_index. */
static void *
format_cb_active_window_index(struct format_tree *ft)
{
if (ft->s != NULL)
return (format_printf("%u", ft->s->curw->idx));
return (NULL);
}
/* Callback for last_window_index. */
static void *
format_cb_last_window_index(struct format_tree *ft)
{
struct winlink *wl;
if (ft->s != NULL) {
wl = RB_MAX(winlinks, &ft->s->windows);
return (format_printf("%u", wl->idx));
}
return (NULL);
}
/* Callback for window_active. */
static void *
format_cb_window_active(struct format_tree *ft)
{
if (ft->wl != NULL) {
if (ft->wl == ft->wl->session->curw)
return (xstrdup("1"));
return (xstrdup("0"));
}
return (NULL);
}
/* Callback for window_activity_flag. */
static void *
format_cb_window_activity_flag(struct format_tree *ft)
{
if (ft->wl != NULL) {
if (ft->wl->flags & WINLINK_ACTIVITY)
return (xstrdup("1"));
return (xstrdup("0"));
}
return (NULL);
}
/* Callback for window_bell_flag. */
static void *
format_cb_window_bell_flag(struct format_tree *ft)
{
if (ft->wl != NULL) {
if (ft->wl->flags & WINLINK_BELL)
return (xstrdup("1"));
return (xstrdup("0"));
}
return (NULL);
}
/* Callback for window_bigger. */
static void *
format_cb_window_bigger(struct format_tree *ft)
{
u_int ox, oy, sx, sy;
if (ft->c != NULL) {
if (tty_window_offset(&ft->c->tty, &ox, &oy, &sx, &sy))
return (xstrdup("1"));
return (xstrdup("0"));
}
return (NULL);
}
/* Callback for window_cell_height. */
static void *
format_cb_window_cell_height(struct format_tree *ft)
{
if (ft->w != NULL)
return (format_printf("%u", ft->w->ypixel));
return (NULL);
}
/* Callback for window_cell_width. */
static void *
format_cb_window_cell_width(struct format_tree *ft)
{
if (ft->w != NULL)
return (format_printf("%u", ft->w->xpixel));
return (NULL);
}
/* Callback for window_end_flag. */
static void *
format_cb_window_end_flag(struct format_tree *ft)
{
if (ft->wl != NULL) {
if (ft->wl == RB_MAX(winlinks, &ft->wl->session->windows))
return (xstrdup("1"));
return (xstrdup("0"));
}
return (NULL);
}
/* Callback for window_flags. */
static void *
format_cb_window_flags(struct format_tree *ft)
{
if (ft->wl != NULL)
return (xstrdup(window_printable_flags(ft->wl, 1)));
return (NULL);
}
/* Callback for window_format. */
static void *
format_cb_window_format(struct format_tree *ft)
{
if (ft->type == FORMAT_TYPE_WINDOW)
return (xstrdup("1"));
return (xstrdup("0"));
}
/* Callback for window_height. */
static void *
format_cb_window_height(struct format_tree *ft)
{
if (ft->w != NULL)
return (format_printf("%u", ft->w->sy));
return (NULL);
}
/* Callback for window_id. */
static void *
format_cb_window_id(struct format_tree *ft)
{
if (ft->w != NULL)
return (format_printf("@%u", ft->w->id));
return (NULL);
}
/* Callback for window_index. */
static void *
format_cb_window_index(struct format_tree *ft)
{
if (ft->wl != NULL)
return (format_printf("%d", ft->wl->idx));
return (NULL);
}
/* Callback for window_last_flag. */
static void *
format_cb_window_last_flag(struct format_tree *ft)
{
if (ft->wl != NULL) {
if (ft->wl == TAILQ_FIRST(&ft->wl->session->lastw))
return (xstrdup("1"));
return (xstrdup("0"));
}
return (NULL);
}
/* Callback for window_linked. */
static void *
format_cb_window_linked(struct format_tree *ft)
{
if (ft->wl != NULL) {
if (session_is_linked(ft->wl->session, ft->wl->window))
return (xstrdup("1"));
return (xstrdup("0"));
}
return (NULL);
}
/* Callback for window_linked_sessions. */
static void *
format_cb_window_linked_sessions(struct format_tree *ft)
{
if (ft->wl != NULL)
return (format_printf("%u", ft->wl->window->references));
return (NULL);
}
/* Callback for window_marked_flag. */
static void *
format_cb_window_marked_flag(struct format_tree *ft)
{
if (ft->wl != NULL) {
if (server_check_marked() && marked_pane.wl == ft->wl)
return (xstrdup("1"));
return (xstrdup("0"));
}
return (NULL);
}
/* Callback for window_name. */
static void *
format_cb_window_name(struct format_tree *ft)
{
if (ft->w != NULL)
return (format_printf("%s", ft->w->name));
return (NULL);
}
/* Callback for window_offset_x. */
static void *
format_cb_window_offset_x(struct format_tree *ft)
{
u_int ox, oy, sx, sy;
if (ft->c != NULL) {
if (tty_window_offset(&ft->c->tty, &ox, &oy, &sx, &sy))
return (format_printf("%u", ox));
return (NULL);
}
return (NULL);
}
/* Callback for window_offset_y. */
static void *
format_cb_window_offset_y(struct format_tree *ft)
{
u_int ox, oy, sx, sy;
if (ft->c != NULL) {
if (tty_window_offset(&ft->c->tty, &ox, &oy, &sx, &sy))
return (format_printf("%u", oy));
return (NULL);
}
return (NULL);
}
/* Callback for window_panes. */
static void *
format_cb_window_panes(struct format_tree *ft)
{
if (ft->w != NULL)
return (format_printf("%u", window_count_panes(ft->w)));
return (NULL);
}
/* Callback for window_raw_flags. */
static void *
format_cb_window_raw_flags(struct format_tree *ft)
{
if (ft->wl != NULL)
return (xstrdup(window_printable_flags(ft->wl, 0)));
return (NULL);
}
/* Callback for window_silence_flag. */
static void *
format_cb_window_silence_flag(struct format_tree *ft)
{
if (ft->wl != NULL) {
if (ft->wl->flags & WINLINK_SILENCE)
return (xstrdup("1"));
return (xstrdup("0"));
}
return (NULL);
}
/* Callback for window_start_flag. */
static void *
format_cb_window_start_flag(struct format_tree *ft)
{
if (ft->wl != NULL) {
if (ft->wl == RB_MIN(winlinks, &ft->wl->session->windows))
return (xstrdup("1"));
return (xstrdup("0"));
}
return (NULL);
}
/* Callback for window_width. */
static void *
format_cb_window_width(struct format_tree *ft)
{
if (ft->w != NULL)
return (format_printf("%u", ft->w->sx));
return (NULL);
}
/* Callback for window_zoomed_flag. */
static void *
format_cb_window_zoomed_flag(struct format_tree *ft)
{
if (ft->w != NULL) {
if (ft->w->flags & WINDOW_ZOOMED)
return (xstrdup("1"));
return (xstrdup("0"));
}
return (NULL);
}
/* Callback for wrap_flag. */
static void *
format_cb_wrap_flag(struct format_tree *ft)
{
if (ft->wp != NULL) {
if (ft->wp->base.mode & MODE_WRAP)
return (xstrdup("1"));
return (xstrdup("0"));
}
return (NULL);
}
/* Callback for buffer_created. */
static void *
format_cb_buffer_created(struct format_tree *ft)
{
static struct timeval tv;
if (ft->pb != NULL) {
timerclear(&tv);
tv.tv_sec = paste_buffer_created(ft->pb);
return (&tv);
}
return (NULL);
}
/* Callback for client_activity. */
static void *
format_cb_client_activity(struct format_tree *ft)
{
if (ft->c != NULL)
return (&ft->c->activity_time);
return (NULL);
}
/* Callback for client_created. */
static void *
format_cb_client_created(struct format_tree *ft)
{
if (ft->c != NULL)
return (&ft->c->creation_time);
return (NULL);
}
/* Callback for session_activity. */
static void *
format_cb_session_activity(struct format_tree *ft)
{
if (ft->s != NULL)
return (&ft->s->activity_time);
return (NULL);
}
/* Callback for session_created. */
static void *
format_cb_session_created(struct format_tree *ft)
{
if (ft->s != NULL)
return (&ft->s->creation_time);
return (NULL);
}
/* Callback for session_last_attached. */
static void *
format_cb_session_last_attached(struct format_tree *ft)
{
if (ft->s != NULL)
return (&ft->s->last_attached_time);
return (NULL);
}
/* Callback for start_time. */
static void *
format_cb_start_time(__unused struct format_tree *ft)
{
return (&start_time);
}
/* Callback for window_activity. */
static void *
format_cb_window_activity(struct format_tree *ft)
{
if (ft->w != NULL)
return (&ft->w->activity_time);
return (NULL);
}
/* Callback for buffer_mode_format, */
static void *
format_cb_buffer_mode_format(__unused struct format_tree *ft)
{
return (xstrdup(window_buffer_mode.default_format));
}
/* Callback for client_mode_format, */
static void *
format_cb_client_mode_format(__unused struct format_tree *ft)
{
return (xstrdup(window_client_mode.default_format));
}
/* Callback for tree_mode_format, */
static void *
format_cb_tree_mode_format(__unused struct format_tree *ft)
{
return (xstrdup(window_tree_mode.default_format));
}
/* Format table type. */
enum format_table_type {
FORMAT_TABLE_STRING,
FORMAT_TABLE_TIME
};
/* Format table entry. */
struct format_table_entry {
const char *key;
enum format_table_type type;
format_cb cb;
};
/*
* Format table. Default format variables (that are almost always in the tree
* and where the value is expanded by a callback in this file) are listed here.
* Only variables which are added by the caller go into the tree.
*/
static const struct format_table_entry format_table[] = {
{ "active_window_index", FORMAT_TABLE_STRING,
format_cb_active_window_index
},
{ "alternate_on", FORMAT_TABLE_STRING,
format_cb_alternate_on
},
{ "alternate_saved_x", FORMAT_TABLE_STRING,
format_cb_alternate_saved_x
},
{ "alternate_saved_y", FORMAT_TABLE_STRING,
format_cb_alternate_saved_y
},
{ "buffer_created", FORMAT_TABLE_TIME,
format_cb_buffer_created
},
{ "buffer_mode_format", FORMAT_TABLE_STRING,
format_cb_buffer_mode_format
},
{ "buffer_name", FORMAT_TABLE_STRING,
format_cb_buffer_name
},
{ "buffer_sample", FORMAT_TABLE_STRING,
format_cb_buffer_sample
},
{ "buffer_size", FORMAT_TABLE_STRING,
format_cb_buffer_size
},
{ "client_activity", FORMAT_TABLE_TIME,
format_cb_client_activity
},
{ "client_cell_height", FORMAT_TABLE_STRING,
format_cb_client_cell_height
},
{ "client_cell_width", FORMAT_TABLE_STRING,
format_cb_client_cell_width
},
{ "client_control_mode", FORMAT_TABLE_STRING,
format_cb_client_control_mode
},
{ "client_created", FORMAT_TABLE_TIME,
format_cb_client_created
},
{ "client_discarded", FORMAT_TABLE_STRING,
format_cb_client_discarded
},
{ "client_flags", FORMAT_TABLE_STRING,
format_cb_client_flags
},
{ "client_height", FORMAT_TABLE_STRING,
format_cb_client_height
},
{ "client_key_table", FORMAT_TABLE_STRING,
format_cb_client_key_table
},
{ "client_last_session", FORMAT_TABLE_STRING,
format_cb_client_last_session
},
{ "client_mode_format", FORMAT_TABLE_STRING,
format_cb_client_mode_format
},
{ "client_name", FORMAT_TABLE_STRING,
format_cb_client_name
},
{ "client_pid", FORMAT_TABLE_STRING,
format_cb_client_pid
},
{ "client_prefix", FORMAT_TABLE_STRING,
format_cb_client_prefix
},
{ "client_readonly", FORMAT_TABLE_STRING,
format_cb_client_readonly
},
{ "client_session", FORMAT_TABLE_STRING,
format_cb_client_session
},
{ "client_termfeatures", FORMAT_TABLE_STRING,
format_cb_client_termfeatures
},
{ "client_termname", FORMAT_TABLE_STRING,
format_cb_client_termname
},
{ "client_termtype", FORMAT_TABLE_STRING,
format_cb_client_termtype
},
{ "client_tty", FORMAT_TABLE_STRING,
format_cb_client_tty
},
{ "client_utf8", FORMAT_TABLE_STRING,
format_cb_client_utf8
},
{ "client_width", FORMAT_TABLE_STRING,
format_cb_client_width
},
{ "client_written", FORMAT_TABLE_STRING,
format_cb_client_written
},
{ "config_files", FORMAT_TABLE_STRING,
format_cb_config_files
},
{ "cursor_character", FORMAT_TABLE_STRING,
format_cb_cursor_character
},
{ "cursor_flag", FORMAT_TABLE_STRING,
format_cb_cursor_flag
},
{ "cursor_x", FORMAT_TABLE_STRING,
format_cb_cursor_x
},
{ "cursor_y", FORMAT_TABLE_STRING,
format_cb_cursor_y
},
{ "history_all_bytes", FORMAT_TABLE_STRING,
format_cb_history_all_bytes
},
{ "history_bytes", FORMAT_TABLE_STRING,
format_cb_history_bytes
},
{ "history_limit", FORMAT_TABLE_STRING,
format_cb_history_limit
},
{ "history_size", FORMAT_TABLE_STRING,
format_cb_history_size
},
{ "host", FORMAT_TABLE_STRING,
format_cb_host
},
{ "host_short", FORMAT_TABLE_STRING,
format_cb_host_short
},
{ "insert_flag", FORMAT_TABLE_STRING,
format_cb_insert_flag
},
{ "keypad_cursor_flag", FORMAT_TABLE_STRING,
format_cb_keypad_cursor_flag
},
{ "keypad_flag", FORMAT_TABLE_STRING,
format_cb_keypad_flag
},
{ "last_window_index", FORMAT_TABLE_STRING,
format_cb_last_window_index
},
{ "mouse_all_flag", FORMAT_TABLE_STRING,
format_cb_mouse_all_flag
},
{ "mouse_any_flag", FORMAT_TABLE_STRING,
format_cb_mouse_any_flag
},
{ "mouse_button_flag", FORMAT_TABLE_STRING,
format_cb_mouse_button_flag
},
{ "mouse_line", FORMAT_TABLE_STRING,
format_cb_mouse_line
},
{ "mouse_pane", FORMAT_TABLE_STRING,
format_cb_mouse_pane
},
{ "mouse_sgr_flag", FORMAT_TABLE_STRING,
format_cb_mouse_sgr_flag
},
{ "mouse_standard_flag", FORMAT_TABLE_STRING,
format_cb_mouse_standard_flag
},
{ "mouse_utf8_flag", FORMAT_TABLE_STRING,
format_cb_mouse_utf8_flag
},
{ "mouse_word", FORMAT_TABLE_STRING,
format_cb_mouse_word
},
{ "mouse_x", FORMAT_TABLE_STRING,
format_cb_mouse_x
},
{ "mouse_y", FORMAT_TABLE_STRING,
format_cb_mouse_y
},
{ "origin_flag", FORMAT_TABLE_STRING,
format_cb_origin_flag
},
{ "pane_active", FORMAT_TABLE_STRING,
format_cb_pane_active
},
{ "pane_at_bottom", FORMAT_TABLE_STRING,
format_cb_pane_at_bottom
},
{ "pane_at_left", FORMAT_TABLE_STRING,
format_cb_pane_at_left
},
{ "pane_at_right", FORMAT_TABLE_STRING,
format_cb_pane_at_right
},
{ "pane_at_top", FORMAT_TABLE_STRING,
format_cb_pane_at_top
},
{ "pane_bg", FORMAT_TABLE_STRING,
format_cb_pane_bg
},
{ "pane_bottom", FORMAT_TABLE_STRING,
format_cb_pane_bottom
},
{ "pane_current_command", FORMAT_TABLE_STRING,
format_cb_current_command
},
{ "pane_current_path", FORMAT_TABLE_STRING,
format_cb_current_path
},
{ "pane_dead", FORMAT_TABLE_STRING,
format_cb_pane_dead
},
{ "pane_dead_status", FORMAT_TABLE_STRING,
format_cb_pane_dead_status
},
{ "pane_fg", FORMAT_TABLE_STRING,
format_cb_pane_fg
},
{ "pane_format", FORMAT_TABLE_STRING,
format_cb_pane_format
},
{ "pane_height", FORMAT_TABLE_STRING,
format_cb_pane_height
},
{ "pane_id", FORMAT_TABLE_STRING,
format_cb_pane_id
},
{ "pane_in_mode", FORMAT_TABLE_STRING,
format_cb_pane_in_mode
},
{ "pane_index", FORMAT_TABLE_STRING,
format_cb_pane_index
},
{ "pane_input_off", FORMAT_TABLE_STRING,
format_cb_pane_input_off
},
{ "pane_last", FORMAT_TABLE_STRING,
format_cb_pane_last
},
{ "pane_left", FORMAT_TABLE_STRING,
format_cb_pane_left
},
{ "pane_marked", FORMAT_TABLE_STRING,
format_cb_pane_marked
},
{ "pane_marked_set", FORMAT_TABLE_STRING,
format_cb_pane_marked_set
},
{ "pane_mode", FORMAT_TABLE_STRING,
format_cb_pane_mode
},
{ "pane_path", FORMAT_TABLE_STRING,
format_cb_pane_path
},
{ "pane_pid", FORMAT_TABLE_STRING,
format_cb_pane_pid
},
{ "pane_pipe", FORMAT_TABLE_STRING,
format_cb_pane_pipe
},
{ "pane_right", FORMAT_TABLE_STRING,
format_cb_pane_right
},
{ "pane_search_string", FORMAT_TABLE_STRING,
format_cb_pane_search_string
},
{ "pane_start_command", FORMAT_TABLE_STRING,
format_cb_start_command
},
{ "pane_synchronized", FORMAT_TABLE_STRING,
format_cb_pane_synchronized
},
{ "pane_tabs", FORMAT_TABLE_STRING,
format_cb_pane_tabs
},
{ "pane_title", FORMAT_TABLE_STRING,
format_cb_pane_title
},
{ "pane_top", FORMAT_TABLE_STRING,
format_cb_pane_top
},
{ "pane_tty", FORMAT_TABLE_STRING,
format_cb_pane_tty
},
{ "pane_width", FORMAT_TABLE_STRING,
format_cb_pane_width
},
{ "pid", FORMAT_TABLE_STRING,
format_cb_pid
},
{ "scroll_region_lower", FORMAT_TABLE_STRING,
format_cb_scroll_region_lower
},
{ "scroll_region_upper", FORMAT_TABLE_STRING,
format_cb_scroll_region_upper
},
{ "session_activity", FORMAT_TABLE_TIME,
format_cb_session_activity
},
{ "session_alerts", FORMAT_TABLE_STRING,
format_cb_session_alerts
},
{ "session_attached", FORMAT_TABLE_STRING,
format_cb_session_attached
},
{ "session_attached_list", FORMAT_TABLE_STRING,
format_cb_session_attached_list
},
{ "session_created", FORMAT_TABLE_TIME,
format_cb_session_created
},
{ "session_format", FORMAT_TABLE_STRING,
format_cb_session_format
},
{ "session_group", FORMAT_TABLE_STRING,
format_cb_session_group
},
{ "session_group_attached", FORMAT_TABLE_STRING,
format_cb_session_group_attached
},
{ "session_group_attached_list", FORMAT_TABLE_STRING,
format_cb_session_group_attached_list
},
{ "session_group_list", FORMAT_TABLE_STRING,
format_cb_session_group_list
},
{ "session_group_many_attached", FORMAT_TABLE_STRING,
format_cb_session_group_many_attached
},
{ "session_group_size", FORMAT_TABLE_STRING,
format_cb_session_group_size
},
{ "session_grouped", FORMAT_TABLE_STRING,
format_cb_session_grouped
},
{ "session_id", FORMAT_TABLE_STRING,
format_cb_session_id
},
{ "session_last_attached", FORMAT_TABLE_TIME,
format_cb_session_last_attached
},
{ "session_many_attached", FORMAT_TABLE_STRING,
format_cb_session_many_attached
},
{ "session_marked", FORMAT_TABLE_STRING,
format_cb_session_marked,
},
{ "session_name", FORMAT_TABLE_STRING,
format_cb_session_name
},
{ "session_path", FORMAT_TABLE_STRING,
format_cb_session_path
},
{ "session_stack", FORMAT_TABLE_STRING,
format_cb_session_stack
},
{ "session_windows", FORMAT_TABLE_STRING,
format_cb_session_windows
},
{ "socket_path", FORMAT_TABLE_STRING,
format_cb_socket_path
},
{ "start_time", FORMAT_TABLE_TIME,
format_cb_start_time
},
{ "tree_mode_format", FORMAT_TABLE_STRING,
format_cb_tree_mode_format
},
{ "version", FORMAT_TABLE_STRING,
format_cb_version
},
{ "window_active", FORMAT_TABLE_STRING,
format_cb_window_active
},
{ "window_active_clients", FORMAT_TABLE_STRING,
format_cb_window_active_clients
},
{ "window_active_clients_list", FORMAT_TABLE_STRING,
format_cb_window_active_clients_list
},
{ "window_active_sessions", FORMAT_TABLE_STRING,
format_cb_window_active_sessions
},
{ "window_active_sessions_list", FORMAT_TABLE_STRING,
format_cb_window_active_sessions_list
},
{ "window_activity", FORMAT_TABLE_TIME,
format_cb_window_activity
},
{ "window_activity_flag", FORMAT_TABLE_STRING,
format_cb_window_activity_flag
},
{ "window_bell_flag", FORMAT_TABLE_STRING,
format_cb_window_bell_flag
},
{ "window_bigger", FORMAT_TABLE_STRING,
format_cb_window_bigger
},
{ "window_cell_height", FORMAT_TABLE_STRING,
format_cb_window_cell_height
},
{ "window_cell_width", FORMAT_TABLE_STRING,
format_cb_window_cell_width
},
{ "window_end_flag", FORMAT_TABLE_STRING,
format_cb_window_end_flag
},
{ "window_flags", FORMAT_TABLE_STRING,
format_cb_window_flags
},
{ "window_format", FORMAT_TABLE_STRING,
format_cb_window_format
},
{ "window_height", FORMAT_TABLE_STRING,
format_cb_window_height
},
{ "window_id", FORMAT_TABLE_STRING,
format_cb_window_id
},
{ "window_index", FORMAT_TABLE_STRING,
format_cb_window_index
},
{ "window_last_flag", FORMAT_TABLE_STRING,
format_cb_window_last_flag
},
{ "window_layout", FORMAT_TABLE_STRING,
format_cb_window_layout
},
{ "window_linked", FORMAT_TABLE_STRING,
format_cb_window_linked
},
{ "window_linked_sessions", FORMAT_TABLE_STRING,
format_cb_window_linked_sessions
},
{ "window_linked_sessions_list", FORMAT_TABLE_STRING,
format_cb_window_linked_sessions_list
},
{ "window_marked_flag", FORMAT_TABLE_STRING,
format_cb_window_marked_flag
},
{ "window_name", FORMAT_TABLE_STRING,
format_cb_window_name
},
{ "window_offset_x", FORMAT_TABLE_STRING,
format_cb_window_offset_x
},
{ "window_offset_y", FORMAT_TABLE_STRING,
format_cb_window_offset_y
},
{ "window_panes", FORMAT_TABLE_STRING,
format_cb_window_panes
},
{ "window_raw_flags", FORMAT_TABLE_STRING,
format_cb_window_raw_flags
},
{ "window_silence_flag", FORMAT_TABLE_STRING,
format_cb_window_silence_flag
},
{ "window_stack_index", FORMAT_TABLE_STRING,
format_cb_window_stack_index
},
{ "window_start_flag", FORMAT_TABLE_STRING,
format_cb_window_start_flag
},
{ "window_visible_layout", FORMAT_TABLE_STRING,
format_cb_window_visible_layout
},
{ "window_width", FORMAT_TABLE_STRING,
format_cb_window_width
},
{ "window_zoomed_flag", FORMAT_TABLE_STRING,
format_cb_window_zoomed_flag
},
{ "wrap_flag", FORMAT_TABLE_STRING,
format_cb_wrap_flag
}
};
/* Compare format table entries. */
static int
format_table_compare(const void *key0, const void *entry0)
{
const char *key = key0;
const struct format_table_entry *entry = entry0;
return (strcmp(key, entry->key));
}
/* Get a format callback. */
static struct format_table_entry *
format_table_get(const char *key)
{
return (bsearch(key, format_table, nitems(format_table),
sizeof *format_table, format_table_compare));
}
/* Merge one format tree into another. */
void
format_merge(struct format_tree *ft, struct format_tree *from)
{
struct format_entry *fe;
RB_FOREACH(fe, format_entry_tree, &from->tree) {
if (fe->value != NULL)
format_add(ft, fe->key, "%s", fe->value);
}
}
/* Get format pane. */
struct window_pane *
format_get_pane(struct format_tree *ft)
{
return (ft->wp);
}
/* Add item bits to tree. */
static void
format_create_add_item(struct format_tree *ft, struct cmdq_item *item)
{
struct key_event *event = cmdq_get_event(item);
struct mouse_event *m = &event->m;
cmdq_merge_formats(item, ft);
memcpy(&ft->m, m, sizeof ft->m);
}
/* Create a new tree. */
struct format_tree *
format_create(struct client *c, struct cmdq_item *item, int tag, int flags)
{
struct format_tree *ft;
ft = xcalloc(1, sizeof *ft);
RB_INIT(&ft->tree);
if (c != NULL) {
ft->client = c;
ft->client->references++;
}
ft->item = item;
ft->tag = tag;
ft->flags = flags;
if (item != NULL)
format_create_add_item(ft, item);
return (ft);
}
/* Free a tree. */
void
format_free(struct format_tree *ft)
{
struct format_entry *fe, *fe1;
RB_FOREACH_SAFE(fe, format_entry_tree, &ft->tree, fe1) {
RB_REMOVE(format_entry_tree, &ft->tree, fe);
free(fe->value);
free(fe->key);
free(fe);
}
if (ft->client != NULL)
server_client_unref(ft->client);
free(ft);
}
/* Walk each format. */
void
format_each(struct format_tree *ft, void (*cb)(const char *, const char *,
void *), void *arg)
{
const struct format_table_entry *fte;
struct format_entry *fe;
u_int i;
char s[64];
void *value;
struct timeval *tv;
for (i = 0; i < nitems(format_table); i++) {
fte = &format_table[i];
value = fte->cb(ft);
if (value == NULL)
continue;
if (fte->type == FORMAT_TABLE_TIME) {
tv = value;
xsnprintf(s, sizeof s, "%lld", (long long)tv->tv_sec);
cb(fte->key, s, arg);
} else {
cb(fte->key, value, arg);
free(value);
}
}
RB_FOREACH(fe, format_entry_tree, &ft->tree) {
if (fe->time != 0) {
xsnprintf(s, sizeof s, "%lld", (long long)fe->time);
cb(fe->key, s, arg);
} else {
if (fe->value == NULL && fe->cb != NULL) {
fe->value = fe->cb(ft);
if (fe->value == NULL)
fe->value = xstrdup("");
}
cb(fe->key, fe->value, arg);
}
}
}
/* Add a key-value pair. */
void
format_add(struct format_tree *ft, const char *key, const char *fmt, ...)
{
struct format_entry *fe;
struct format_entry *fe_now;
va_list ap;
fe = xmalloc(sizeof *fe);
fe->key = xstrdup(key);
fe_now = RB_INSERT(format_entry_tree, &ft->tree, fe);
if (fe_now != NULL) {
free(fe->key);
free(fe);
free(fe_now->value);
fe = fe_now;
}
fe->cb = NULL;
fe->time = 0;
va_start(ap, fmt);
xvasprintf(&fe->value, fmt, ap);
va_end(ap);
}
/* Add a key and time. */
void
format_add_tv(struct format_tree *ft, const char *key, struct timeval *tv)
{
struct format_entry *fe, *fe_now;
fe = xmalloc(sizeof *fe);
fe->key = xstrdup(key);
fe_now = RB_INSERT(format_entry_tree, &ft->tree, fe);
if (fe_now != NULL) {
free(fe->key);
free(fe);
free(fe_now->value);
fe = fe_now;
}
fe->cb = NULL;
fe->time = tv->tv_sec;
fe->value = NULL;
}
/* Add a key and function. */
void
format_add_cb(struct format_tree *ft, const char *key, format_cb cb)
{
struct format_entry *fe;
struct format_entry *fe_now;
fe = xmalloc(sizeof *fe);
fe->key = xstrdup(key);
fe_now = RB_INSERT(format_entry_tree, &ft->tree, fe);
if (fe_now != NULL) {
free(fe->key);
free(fe);
free(fe_now->value);
fe = fe_now;
}
fe->cb = cb;
fe->time = 0;
fe->value = NULL;
}
/* Quote shell special characters in string. */
static char *
format_quote_shell(const char *s)
{
const char *cp;
char *out, *at;
at = out = xmalloc(strlen(s) * 2 + 1);
for (cp = s; *cp != '\0'; cp++) {
if (strchr("|&;<>()$`\\\"'*?[# =%", *cp) != NULL)
*at++ = '\\';
*at++ = *cp;
}
*at = '\0';
return (out);
}
/* Quote #s in string. */
static char *
format_quote_style(const char *s)
{
const char *cp;
char *out, *at;
at = out = xmalloc(strlen(s) * 2 + 1);
for (cp = s; *cp != '\0'; cp++) {
if (*cp == '#')
*at++ = '#';
*at++ = *cp;
}
*at = '\0';
return (out);
}
/* Make a prettier time. */
static char *
format_pretty_time(time_t t)
{
struct tm now_tm, tm;
time_t now, age;
char s[6];
time(&now);
if (now < t)
now = t;
age = now - t;
localtime_r(&now, &now_tm);
localtime_r(&t, &tm);
/* Last 24 hours. */
if (age < 24 * 3600) {
strftime(s, sizeof s, "%H:%M", &tm);
return (xstrdup(s));
}
/* This month or last 28 days. */
if ((tm.tm_year == now_tm.tm_year && tm.tm_mon == now_tm.tm_mon) ||
age < 28 * 24 * 3600) {
strftime(s, sizeof s, "%a%d", &tm);
return (xstrdup(s));
}
/* Last 12 months. */
if ((tm.tm_year == now_tm.tm_year && tm.tm_mon < now_tm.tm_mon) ||
(tm.tm_year == now_tm.tm_year - 1 && tm.tm_mon > now_tm.tm_mon)) {
strftime(s, sizeof s, "%d%b", &tm);
return (xstrdup(s));
}
/* Older than that. */
strftime(s, sizeof s, "%h%y", &tm);
return (xstrdup(s));
}
/* Find a format entry. */
static char *
format_find(struct format_tree *ft, const char *key, int modifiers,
const char *time_format)
{
struct format_table_entry *fte;
void *value;
struct format_entry *fe, fe_find;
struct environ_entry *envent;
struct options_entry *o;
int idx;
char *found = NULL, *saved, s[512];
const char *errstr;
time_t t = 0;
struct tm tm;
o = options_parse_get(global_options, key, &idx, 0);
if (o == NULL && ft->wp != NULL)
o = options_parse_get(ft->wp->options, key, &idx, 0);
if (o == NULL && ft->w != NULL)
o = options_parse_get(ft->w->options, key, &idx, 0);
if (o == NULL)
o = options_parse_get(global_w_options, key, &idx, 0);
if (o == NULL && ft->s != NULL)
o = options_parse_get(ft->s->options, key, &idx, 0);
if (o == NULL)
o = options_parse_get(global_s_options, key, &idx, 0);
if (o != NULL) {
found = options_to_string(o, idx, 1);
goto found;
}
fte = format_table_get(key);
if (fte != NULL) {
value = fte->cb(ft);
if (fte->type == FORMAT_TABLE_TIME)
t = ((struct timeval *)value)->tv_sec;
else
found = value;
goto found;
}
fe_find.key = (char *)key;
fe = RB_FIND(format_entry_tree, &ft->tree, &fe_find);
if (fe != NULL) {
if (fe->time != 0) {
t = fe->time;
goto found;
}
if (fe->value == NULL && fe->cb != NULL) {
fe->value = fe->cb(ft);
if (fe->value == NULL)
fe->value = xstrdup("");
}
found = xstrdup(fe->value);
goto found;
}
if (~modifiers & FORMAT_TIMESTRING) {
envent = NULL;
if (ft->s != NULL)
envent = environ_find(ft->s->environ, key);
if (envent == NULL)
envent = environ_find(global_environ, key);
if (envent != NULL && envent->value != NULL) {
found = xstrdup(envent->value);
goto found;
}
}
return (NULL);
found:
if (modifiers & FORMAT_TIMESTRING) {
if (t == 0 && found != NULL) {
t = strtonum(found, 0, INT64_MAX, &errstr);
if (errstr != NULL)
t = 0;
free(found);
}
if (t == 0)
return (NULL);
if (modifiers & FORMAT_PRETTY)
found = format_pretty_time(t);
else {
if (time_format != NULL) {
localtime_r(&t, &tm);
strftime(s, sizeof s, time_format, &tm);
} else {
ctime_r(&t, s);
s[strcspn(s, "\n")] = '\0';
}
found = xstrdup(s);
}
return (found);
}
if (t != 0)
xasprintf(&found, "%lld", (long long)t);
else if (found == NULL)
return (NULL);
if (modifiers & FORMAT_BASENAME) {
saved = found;
found = xstrdup(basename(saved));
free(saved);
}
if (modifiers & FORMAT_DIRNAME) {
saved = found;
found = xstrdup(dirname(saved));
free(saved);
}
if (modifiers & FORMAT_QUOTE_SHELL) {
saved = found;
found = xstrdup(format_quote_shell(saved));
free(saved);
}
if (modifiers & FORMAT_QUOTE_STYLE) {
saved = found;
found = xstrdup(format_quote_style(saved));
free(saved);
}
return (found);
}
/* Remove escaped characters from string. */
static char *
format_strip(const char *s)
{
char *out, *cp;
int brackets = 0;
cp = out = xmalloc(strlen(s) + 1);
for (; *s != '\0'; s++) {
if (*s == '#' && s[1] == '{')
brackets++;
if (*s == '#' && strchr(",#{}:", s[1]) != NULL) {
if (brackets != 0)
*cp++ = *s;
continue;
}
if (*s == '}')
brackets--;
*cp++ = *s;
}
*cp = '\0';
return (out);
}
/* Skip until end. */
const char *
format_skip(const char *s, const char *end)
{
int brackets = 0;
for (; *s != '\0'; s++) {
if (*s == '#' && s[1] == '{')
brackets++;
if (*s == '#' && strchr(",#{}:", s[1]) != NULL) {
s++;
continue;
}
if (*s == '}')
brackets--;
if (strchr(end, *s) != NULL && brackets == 0)
break;
}
if (*s == '\0')
return (NULL);
return (s);
}
/* Return left and right alternatives separated by commas. */
static int
format_choose(struct format_expand_state *es, const char *s, char **left,
char **right, int expand)
{
const char *cp;
char *left0, *right0;
cp = format_skip(s, ",");
if (cp == NULL)
return (-1);
left0 = xstrndup(s, cp - s);
right0 = xstrdup(cp + 1);
if (expand) {
*left = format_expand1(es, left0);
free(left0);
*right = format_expand1(es, right0);
free(right0);
} else {
*left = left0;
*right = right0;
}
return (0);
}
/* Is this true? */
int
format_true(const char *s)
{
if (s != NULL && *s != '\0' && (s[0] != '0' || s[1] != '\0'))
return (1);
return (0);
}
/* Check if modifier end. */
static int
format_is_end(char c)
{
return (c == ';' || c == ':');
}
/* Add to modifier list. */
static void
format_add_modifier(struct format_modifier **list, u_int *count,
const char *c, size_t n, char **argv, int argc)
{
struct format_modifier *fm;
*list = xreallocarray(*list, (*count) + 1, sizeof **list);
fm = &(*list)[(*count)++];
memcpy(fm->modifier, c, n);
fm->modifier[n] = '\0';
fm->size = n;
fm->argv = argv;
fm->argc = argc;
}
/* Free modifier list. */
static void
format_free_modifiers(struct format_modifier *list, u_int count)
{
u_int i;
for (i = 0; i < count; i++)
cmd_free_argv(list[i].argc, list[i].argv);
free(list);
}
/* Build modifier list. */
static struct format_modifier *
format_build_modifiers(struct format_expand_state *es, const char **s,
u_int *count)
{
const char *cp = *s, *end;
struct format_modifier *list = NULL;
char c, last[] = "X;:", **argv, *value;
int argc;
/*
* Modifiers are a ; separated list of the forms:
* l,m,C,a,b,d,n,t,w,q,E,T,S,W,P,<,>
* =a
* =/a
* =/a/
* s/a/b/
* s/a/b
* ||,&&,!=,==,<=,>=
*/
*count = 0;
while (*cp != '\0' && *cp != ':') {
/* Skip any separator character. */
if (*cp == ';')
cp++;
/* Check single character modifiers with no arguments. */
if (strchr("labdnwETSWP<>", cp[0]) != NULL &&
format_is_end(cp[1])) {
format_add_modifier(&list, count, cp, 1, NULL, 0);
cp++;
continue;
}
/* Then try double character with no arguments. */
if ((memcmp("||", cp, 2) == 0 ||
memcmp("&&", cp, 2) == 0 ||
memcmp("!=", cp, 2) == 0 ||
memcmp("==", cp, 2) == 0 ||
memcmp("<=", cp, 2) == 0 ||
memcmp(">=", cp, 2) == 0) &&
format_is_end(cp[2])) {
format_add_modifier(&list, count, cp, 2, NULL, 0);
cp += 2;
continue;
}
/* Now try single character with arguments. */
if (strchr("mCNst=peq", cp[0]) == NULL)
break;
c = cp[0];
/* No arguments provided. */
if (format_is_end(cp[1])) {
format_add_modifier(&list, count, cp, 1, NULL, 0);
cp++;
continue;
}
argv = NULL;
argc = 0;
/* Single argument with no wrapper character. */
if (!ispunct(cp[1]) || cp[1] == '-') {
end = format_skip(cp + 1, ":;");
if (end == NULL)
break;
argv = xcalloc(1, sizeof *argv);
value = xstrndup(cp + 1, end - (cp + 1));
argv[0] = format_expand1(es, value);
free(value);
argc = 1;
format_add_modifier(&list, count, &c, 1, argv, argc);
cp = end;
continue;
}
/* Multiple arguments with a wrapper character. */
last[0] = cp[1];
cp++;
do {
if (cp[0] == last[0] && format_is_end(cp[1])) {
cp++;
break;
}
end = format_skip(cp + 1, last);
if (end == NULL)
break;
cp++;
argv = xreallocarray (argv, argc + 1, sizeof *argv);
value = xstrndup(cp, end - cp);
argv[argc++] = format_expand1(es, value);
free(value);
cp = end;
} while (!format_is_end(cp[0]));
format_add_modifier(&list, count, &c, 1, argv, argc);
}
if (*cp != ':') {
format_free_modifiers(list, *count);
*count = 0;
return (NULL);
}
*s = cp + 1;
return (list);
}
/* Match against an fnmatch(3) pattern or regular expression. */
static char *
format_match(struct format_modifier *fm, const char *pattern, const char *text)
{
const char *s = "";
regex_t r;
int flags = 0;
if (fm->argc >= 1)
s = fm->argv[0];
if (strchr(s, 'r') == NULL) {
if (strchr(s, 'i') != NULL)
flags |= FNM_CASEFOLD;
if (fnmatch(pattern, text, flags) != 0)
return (xstrdup("0"));
} else {
flags = REG_EXTENDED|REG_NOSUB;
if (strchr(s, 'i') != NULL)
flags |= REG_ICASE;
if (regcomp(&r, pattern, flags) != 0)
return (xstrdup("0"));
if (regexec(&r, text, 0, NULL, 0) != 0) {
regfree(&r);
return (xstrdup("0"));
}
regfree(&r);
}
return (xstrdup("1"));
}
/* Perform substitution in string. */
static char *
format_sub(struct format_modifier *fm, const char *text, const char *pattern,
const char *with)
{
char *value;
int flags = REG_EXTENDED;
if (fm->argc >= 3 && strchr(fm->argv[2], 'i') != NULL)
flags |= REG_ICASE;
value = regsub(pattern, with, text, flags);
if (value == NULL)
return (xstrdup(text));
return (value);
}
/* Search inside pane. */
static char *
format_search(struct format_modifier *fm, struct window_pane *wp, const char *s)
{
int ignore = 0, regex = 0;
char *value;
if (fm->argc >= 1) {
if (strchr(fm->argv[0], 'i') != NULL)
ignore = 1;
if (strchr(fm->argv[0], 'r') != NULL)
regex = 1;
}
xasprintf(&value, "%u", window_pane_search(wp, s, regex, ignore));
return (value);
}
/* Does session name exist? */
static char *
format_session_name(struct format_expand_state *es, const char *fmt)
{
char *name;
struct session *s;
name = format_expand1(es, fmt);
RB_FOREACH(s, sessions, &sessions) {
if (strcmp(s->name, name) == 0) {
free(name);
return (xstrdup("1"));
}
}
free(name);
return (xstrdup("0"));
}
/* Loop over sessions. */
static char *
format_loop_sessions(struct format_expand_state *es, const char *fmt)
{
struct format_tree *ft = es->ft;
struct client *c = ft->client;
struct cmdq_item *item = ft->item;
struct format_tree *nft;
struct format_expand_state next;
char *expanded, *value;
size_t valuelen;
struct session *s;
value = xcalloc(1, 1);
valuelen = 1;
RB_FOREACH(s, sessions, &sessions) {
format_log(es, "session loop: $%u", s->id);
nft = format_create(c, item, FORMAT_NONE, ft->flags);
format_defaults(nft, ft->c, s, NULL, NULL);
format_copy_state(&next, es, 0);
next.ft = nft;
expanded = format_expand1(&next, fmt);
format_free(next.ft);
valuelen += strlen(expanded);
value = xrealloc(value, valuelen);
strlcat(value, expanded, valuelen);
free(expanded);
}
return (value);
}
/* Does window name exist? */
static char *
format_window_name(struct format_expand_state *es, const char *fmt)
{
struct format_tree *ft = es->ft;
char *name;
struct winlink *wl;
if (ft->s == NULL) {
format_log(es, "window name but no session");
return (NULL);
}
name = format_expand1(es, fmt);
RB_FOREACH(wl, winlinks, &ft->s->windows) {
if (strcmp(wl->window->name, name) == 0) {
free(name);
return (xstrdup("1"));
}
}
free(name);
return (xstrdup("0"));
}
/* Loop over windows. */
static char *
format_loop_windows(struct format_expand_state *es, const char *fmt)
{
struct format_tree *ft = es->ft;
struct client *c = ft->client;
struct cmdq_item *item = ft->item;
struct format_tree *nft;
struct format_expand_state next;
char *all, *active, *use, *expanded, *value;
size_t valuelen;
struct winlink *wl;
struct window *w;
if (ft->s == NULL) {
format_log(es, "window loop but no session");
return (NULL);
}
if (format_choose(es, fmt, &all, &active, 0) != 0) {
all = xstrdup(fmt);
active = NULL;
}
value = xcalloc(1, 1);
valuelen = 1;
RB_FOREACH(wl, winlinks, &ft->s->windows) {
w = wl->window;
format_log(es, "window loop: %u @%u", wl->idx, w->id);
if (active != NULL && wl == ft->s->curw)
use = active;
else
use = all;
nft = format_create(c, item, FORMAT_WINDOW|w->id, ft->flags);
format_defaults(nft, ft->c, ft->s, wl, NULL);
format_copy_state(&next, es, 0);
next.ft = nft;
expanded = format_expand1(&next, use);
format_free(nft);
valuelen += strlen(expanded);
value = xrealloc(value, valuelen);
strlcat(value, expanded, valuelen);
free(expanded);
}
free(active);
free(all);
return (value);
}
/* Loop over panes. */
static char *
format_loop_panes(struct format_expand_state *es, const char *fmt)
{
struct format_tree *ft = es->ft;
struct client *c = ft->client;
struct cmdq_item *item = ft->item;
struct format_tree *nft;
struct format_expand_state next;
char *all, *active, *use, *expanded, *value;
size_t valuelen;
struct window_pane *wp;
if (ft->w == NULL) {
format_log(es, "pane loop but no window");
return (NULL);
}
if (format_choose(es, fmt, &all, &active, 0) != 0) {
all = xstrdup(fmt);
active = NULL;
}
value = xcalloc(1, 1);
valuelen = 1;
TAILQ_FOREACH(wp, &ft->w->panes, entry) {
format_log(es, "pane loop: %%%u", wp->id);
if (active != NULL && wp == ft->w->active)
use = active;
else
use = all;
nft = format_create(c, item, FORMAT_PANE|wp->id, ft->flags);
format_defaults(nft, ft->c, ft->s, ft->wl, wp);
format_copy_state(&next, es, 0);
next.ft = nft;
expanded = format_expand1(&next, use);
format_free(nft);
valuelen += strlen(expanded);
value = xrealloc(value, valuelen);
strlcat(value, expanded, valuelen);
free(expanded);
}
free(active);
free(all);
return (value);
}
static char *
format_replace_expression(struct format_modifier *mexp,
struct format_expand_state *es, const char *copy)
{
int argc = mexp->argc;
const char *errstr;
char *endch, *value, *left = NULL, *right = NULL;
int use_fp = 0;
u_int prec = 0;
double mleft, mright, result;
enum { ADD,
SUBTRACT,
MULTIPLY,
DIVIDE,
MODULUS,
EQUAL,
NOT_EQUAL,
GREATER_THAN,
GREATER_THAN_EQUAL,
LESS_THAN,
LESS_THAN_EQUAL } operator;
if (strcmp(mexp->argv[0], "+") == 0)
operator = ADD;
else if (strcmp(mexp->argv[0], "-") == 0)
operator = SUBTRACT;
else if (strcmp(mexp->argv[0], "*") == 0)
operator = MULTIPLY;
else if (strcmp(mexp->argv[0], "/") == 0)
operator = DIVIDE;
else if (strcmp(mexp->argv[0], "%") == 0 ||
strcmp(mexp->argv[0], "m") == 0)
operator = MODULUS;
else if (strcmp(mexp->argv[0], "==") == 0)
operator = EQUAL;
else if (strcmp(mexp->argv[0], "!=") == 0)
operator = NOT_EQUAL;
else if (strcmp(mexp->argv[0], ">") == 0)
operator = GREATER_THAN;
else if (strcmp(mexp->argv[0], "<") == 0)
operator = LESS_THAN;
else if (strcmp(mexp->argv[0], ">=") == 0)
operator = GREATER_THAN_EQUAL;
else if (strcmp(mexp->argv[0], "<=") == 0)
operator = LESS_THAN_EQUAL;
else {
format_log(es, "expression has no valid operator: '%s'",
mexp->argv[0]);
goto fail;
}
/* The second argument may be flags. */
if (argc >= 2 && strchr(mexp->argv[1], 'f') != NULL) {
use_fp = 1;
prec = 2;
}
/* The third argument may be precision. */
if (argc >= 3) {
prec = strtonum(mexp->argv[2], INT_MIN, INT_MAX, &errstr);
if (errstr != NULL) {
format_log(es, "expression precision %s: %s", errstr,
mexp->argv[2]);
goto fail;
}
}
if (format_choose(es, copy, &left, &right, 1) != 0) {
format_log(es, "expression syntax error");
goto fail;
}
mleft = strtod(left, &endch);
if (*endch != '\0') {
format_log(es, "expression left side is invalid: %s", left);
goto fail;
}
mright = strtod(right, &endch);
if (*endch != '\0') {
format_log(es, "expression right side is invalid: %s", right);
goto fail;
}
if (!use_fp) {
mleft = (long long)mleft;
mright = (long long)mright;
}
format_log(es, "expression left side is: %.*f", prec, mleft);
format_log(es, "expression right side is: %.*f", prec, mright);
switch (operator) {
case ADD:
result = mleft + mright;
break;
case SUBTRACT:
result = mleft - mright;
break;
case MULTIPLY:
result = mleft * mright;
break;
case DIVIDE:
result = mleft / mright;
break;
case MODULUS:
result = fmod(mleft, mright);
break;
case EQUAL:
result = fabs(mleft - mright) < 1e-9;
break;
case NOT_EQUAL:
result = fabs(mleft - mright) > 1e-9;
break;
case GREATER_THAN:
result = (mleft > mright);
break;
case GREATER_THAN_EQUAL:
result = (mleft >= mright);
break;
case LESS_THAN:
result = (mleft < mright);
break;
case LESS_THAN_EQUAL:
result = (mleft <= mright);
break;
}
if (use_fp)
xasprintf(&value, "%.*f", prec, result);
else
xasprintf(&value, "%.*f", prec, (double)(long long)result);
format_log(es, "expression result is %s", value);
free(right);
free(left);
return (value);
fail:
free(right);
free(left);
return (NULL);
}
/* Replace a key. */
static int
format_replace(struct format_expand_state *es, const char *key, size_t keylen,
char **buf, size_t *len, size_t *off)
{
struct format_tree *ft = es->ft;
struct window_pane *wp = ft->wp;
const char *errstr, *copy, *cp, *marker = NULL;
const char *time_format = NULL;
char *copy0, *condition, *found, *new;
char *value, *left, *right, c;
size_t valuelen;
int modifiers = 0, limit = 0, width = 0;
int j;
struct format_modifier *list, *cmp = NULL, *search = NULL;
struct format_modifier **sub = NULL, *mexp = NULL, *fm;
u_int i, count, nsub = 0;
struct format_expand_state next;
/* Make a copy of the key. */
copy = copy0 = xstrndup(key, keylen);
/* Process modifier list. */
list = format_build_modifiers(es, &copy, &count);
for (i = 0; i < count; i++) {
fm = &list[i];
if (format_logging(ft)) {
format_log(es, "modifier %u is %s", i, fm->modifier);
for (j = 0; j < fm->argc; j++) {
format_log(es, "modifier %u argument %d: %s", i,
j, fm->argv[j]);
}
}
if (fm->size == 1) {
switch (fm->modifier[0]) {
case 'm':
case '<':
case '>':
cmp = fm;
break;
case 'C':
search = fm;
break;
case 's':
if (fm->argc < 2)
break;
sub = xreallocarray (sub, nsub + 1,
sizeof *sub);
sub[nsub++] = fm;
break;
case '=':
if (fm->argc < 1)
break;
limit = strtonum(fm->argv[0], INT_MIN, INT_MAX,
&errstr);
if (errstr != NULL)
limit = 0;
if (fm->argc >= 2 && fm->argv[1] != NULL)
marker = fm->argv[1];
break;
case 'p':
if (fm->argc < 1)
break;
width = strtonum(fm->argv[0], INT_MIN, INT_MAX,
&errstr);
if (errstr != NULL)
width = 0;
break;
case 'w':
modifiers |= FORMAT_WIDTH;
break;
case 'e':
if (fm->argc < 1 || fm->argc > 3)
break;
mexp = fm;
break;
case 'l':
modifiers |= FORMAT_LITERAL;
break;
case 'a':
modifiers |= FORMAT_CHARACTER;
break;
case 'b':
modifiers |= FORMAT_BASENAME;
break;
case 'd':
modifiers |= FORMAT_DIRNAME;
break;
case 'n':
modifiers |= FORMAT_LENGTH;
break;
case 't':
modifiers |= FORMAT_TIMESTRING;
if (fm->argc < 1)
break;
if (strchr(fm->argv[0], 'p') != NULL)
modifiers |= FORMAT_PRETTY;
else if (fm->argc >= 2 &&
strchr(fm->argv[0], 'f') != NULL)
time_format = format_strip(fm->argv[1]);
break;
case 'q':
if (fm->argc < 1)
modifiers |= FORMAT_QUOTE_SHELL;
else if (strchr(fm->argv[0], 'e') != NULL ||
strchr(fm->argv[0], 'h') != NULL)
modifiers |= FORMAT_QUOTE_STYLE;
break;
case 'E':
modifiers |= FORMAT_EXPAND;
break;
case 'T':
modifiers |= FORMAT_EXPANDTIME;
break;
case 'N':
if (fm->argc < 1 ||
strchr(fm->argv[0], 'w') != NULL)
modifiers |= FORMAT_WINDOW_NAME;
else if (strchr(fm->argv[0], 's') != NULL)
modifiers |= FORMAT_SESSION_NAME;
break;
case 'S':
modifiers |= FORMAT_SESSIONS;
break;
case 'W':
modifiers |= FORMAT_WINDOWS;
break;
case 'P':
modifiers |= FORMAT_PANES;
break;
}
} else if (fm->size == 2) {
if (strcmp(fm->modifier, "||") == 0 ||
strcmp(fm->modifier, "&&") == 0 ||
strcmp(fm->modifier, "==") == 0 ||
strcmp(fm->modifier, "!=") == 0 ||
strcmp(fm->modifier, ">=") == 0 ||
strcmp(fm->modifier, "<=") == 0)
cmp = fm;
}
}
/* Is this a literal string? */
if (modifiers & FORMAT_LITERAL) {
value = xstrdup(copy);
goto done;
}
/* Is this a character? */
if (modifiers & FORMAT_CHARACTER) {
new = format_expand1(es, copy);
c = strtonum(new, 32, 126, &errstr);
if (errstr != NULL)
value = xstrdup("");
else
xasprintf(&value, "%c", c);
free (new);
goto done;
}
/* Is this a loop, comparison or condition? */
if (modifiers & FORMAT_SESSIONS) {
value = format_loop_sessions(es, copy);
if (value == NULL)
goto fail;
} else if (modifiers & FORMAT_WINDOWS) {
value = format_loop_windows(es, copy);
if (value == NULL)
goto fail;
} else if (modifiers & FORMAT_PANES) {
value = format_loop_panes(es, copy);
if (value == NULL)
goto fail;
} else if (modifiers & FORMAT_WINDOW_NAME) {
value = format_window_name(es, copy);
if (value == NULL)
goto fail;
} else if (modifiers & FORMAT_SESSION_NAME) {
value = format_session_name(es, copy);
if (value == NULL)
goto fail;
} else if (search != NULL) {
/* Search in pane. */
new = format_expand1(es, copy);
if (wp == NULL) {
format_log(es, "search '%s' but no pane", new);
value = xstrdup("0");
} else {
format_log(es, "search '%s' pane %%%u", new, wp->id);
value = format_search(search, wp, new);
}
free(new);
} else if (cmp != NULL) {
/* Comparison of left and right. */
if (format_choose(es, copy, &left, &right, 1) != 0) {
format_log(es, "compare %s syntax error: %s",
cmp->modifier, copy);
goto fail;
}
format_log(es, "compare %s left is: %s", cmp->modifier, left);
format_log(es, "compare %s right is: %s", cmp->modifier, right);
if (strcmp(cmp->modifier, "||") == 0) {
if (format_true(left) || format_true(right))
value = xstrdup("1");
else
value = xstrdup("0");
} else if (strcmp(cmp->modifier, "&&") == 0) {
if (format_true(left) && format_true(right))
value = xstrdup("1");
else
value = xstrdup("0");
} else if (strcmp(cmp->modifier, "==") == 0) {
if (strcmp(left, right) == 0)
value = xstrdup("1");
else
value = xstrdup("0");
} else if (strcmp(cmp->modifier, "!=") == 0) {
if (strcmp(left, right) != 0)
value = xstrdup("1");
else
value = xstrdup("0");
} else if (strcmp(cmp->modifier, "<") == 0) {
if (strcmp(left, right) < 0)
value = xstrdup("1");
else
value = xstrdup("0");
} else if (strcmp(cmp->modifier, ">") == 0) {
if (strcmp(left, right) > 0)
value = xstrdup("1");
else
value = xstrdup("0");
} else if (strcmp(cmp->modifier, "<=") == 0) {
if (strcmp(left, right) <= 0)
value = xstrdup("1");
else
value = xstrdup("0");
} else if (strcmp(cmp->modifier, ">=") == 0) {
if (strcmp(left, right) >= 0)
value = xstrdup("1");
else
value = xstrdup("0");
} else if (strcmp(cmp->modifier, "m") == 0)
value = format_match(cmp, left, right);
free(right);
free(left);
} else if (*copy == '?') {
/* Conditional: check first and choose second or third. */
cp = format_skip(copy + 1, ",");
if (cp == NULL) {
format_log(es, "condition syntax error: %s", copy + 1);
goto fail;
}
condition = xstrndup(copy + 1, cp - (copy + 1));
format_log(es, "condition is: %s", condition);
found = format_find(ft, condition, modifiers, time_format);
if (found == NULL) {
/*
* If the condition not found, try to expand it. If
* the expansion doesn't have any effect, then assume
* false.
*/
found = format_expand1(es, condition);
if (strcmp(found, condition) == 0) {
free(found);
found = xstrdup("");
format_log(es, "condition '%s' found: %s",
condition, found);
} else {
format_log(es,
"condition '%s' not found; assuming false",
condition);
}
} else
format_log(es, "condition '%s' found", condition);
if (format_choose(es, cp + 1, &left, &right, 0) != 0) {
format_log(es, "condition '%s' syntax error: %s",
condition, cp + 1);
free(found);
goto fail;
}
if (format_true(found)) {
format_log(es, "condition '%s' is true", condition);
value = format_expand1(es, left);
} else {
format_log(es, "condition '%s' is false", condition);
value = format_expand1(es, right);
}
free(right);
free(left);
free(condition);
free(found);
} else if (mexp != NULL) {
value = format_replace_expression(mexp, es, copy);
if (value == NULL)
value = xstrdup("");
} else {
if (strstr(copy, "#{") != 0) {
format_log(es, "expanding inner format '%s'", copy);
value = format_expand1(es, copy);
} else {
value = format_find(ft, copy, modifiers, time_format);
if (value == NULL) {
format_log(es, "format '%s' not found", copy);
value = xstrdup("");
} else {
format_log(es, "format '%s' found: %s", copy,
value);
}
}
}
done:
/* Expand again if required. */
if (modifiers & FORMAT_EXPAND) {
new = format_expand1(es, value);
free(value);
value = new;
} else if (modifiers & FORMAT_EXPANDTIME) {
format_copy_state(&next, es, FORMAT_EXPAND_TIME);
new = format_expand1(&next, value);
free(value);
value = new;
}
/* Perform substitution if any. */
for (i = 0; i < nsub; i++) {
left = format_expand1(es, sub[i]->argv[0]);
right = format_expand1(es, sub[i]->argv[1]);
new = format_sub(sub[i], value, left, right);
format_log(es, "substitute '%s' to '%s': %s", left, right, new);
free(value);
value = new;
free(right);
free(left);
}
/* Truncate the value if needed. */
if (limit > 0) {
new = format_trim_left(value, limit);
if (marker != NULL && strcmp(new, value) != 0) {
free(value);
xasprintf(&value, "%s%s", new, marker);
} else {
free(value);
value = new;
}
format_log(es, "applied length limit %d: %s", limit, value);
} else if (limit < 0) {
new = format_trim_right(value, -limit);
if (marker != NULL && strcmp(new, value) != 0) {
free(value);
xasprintf(&value, "%s%s", marker, new);
} else {
free(value);
value = new;
}
format_log(es, "applied length limit %d: %s", limit, value);
}
/* Pad the value if needed. */
if (width > 0) {
new = utf8_padcstr(value, width);
free(value);
value = new;
format_log(es, "applied padding width %d: %s", width, value);
} else if (width < 0) {
new = utf8_rpadcstr(value, -width);
free(value);
value = new;
format_log(es, "applied padding width %d: %s", width, value);
}
/* Replace with the length or width if needed. */
if (modifiers & FORMAT_LENGTH) {
xasprintf(&new, "%zu", strlen(value));
free(value);
value = new;
format_log(es, "replacing with length: %s", new);
}
if (modifiers & FORMAT_WIDTH) {
xasprintf(&new, "%u", format_width(value));
free(value);
value = new;
format_log(es, "replacing with width: %s", new);
}
/* Expand the buffer and copy in the value. */
valuelen = strlen(value);
while (*len - *off < valuelen + 1) {
*buf = xreallocarray(*buf, 2, *len);
*len *= 2;
}
memcpy(*buf + *off, value, valuelen);
*off += valuelen;
format_log(es, "replaced '%s' with '%s'", copy0, value);
free(value);
free(sub);
format_free_modifiers(list, count);
free(copy0);
return (0);
fail:
format_log(es, "failed %s", copy0);
free(sub);
format_free_modifiers(list, count);
free(copy0);
return (-1);
}
/* Expand keys in a template. */
static char *
format_expand1(struct format_expand_state *es, const char *fmt)
{
struct format_tree *ft = es->ft;
char *buf, *out, *name;
const char *ptr, *s;
size_t off, len, n, outlen;
int ch, brackets;
char expanded[8192];
if (fmt == NULL || *fmt == '\0')
return (xstrdup(""));
if (es->loop == FORMAT_LOOP_LIMIT) {
format_log(es, "reached loop limit (%u)", FORMAT_LOOP_LIMIT);
return (xstrdup(""));
}
es->loop++;
format_log(es, "expanding format: %s", fmt);
if ((es->flags & FORMAT_EXPAND_TIME) && strchr(fmt, '%') != NULL) {
if (es->time == 0) {
es->time = time(NULL);
localtime_r(&es->time, &es->tm);
}
if (strftime(expanded, sizeof expanded, fmt, &es->tm) == 0) {
format_log(es, "format is too long");
return (xstrdup(""));
}
if (format_logging(ft) && strcmp(expanded, fmt) != 0)
format_log(es, "after time expanded: %s", expanded);
fmt = expanded;
}
len = 64;
buf = xmalloc(len);
off = 0;
while (*fmt != '\0') {
if (*fmt != '#') {
while (len - off < 2) {
buf = xreallocarray(buf, 2, len);
len *= 2;
}
buf[off++] = *fmt++;
continue;
}
fmt++;
ch = (u_char)*fmt++;
switch (ch) {
case '(':
brackets = 1;
for (ptr = fmt; *ptr != '\0'; ptr++) {
if (*ptr == '(')
brackets++;
if (*ptr == ')' && --brackets == 0)
break;
}
if (*ptr != ')' || brackets != 0)
break;
n = ptr - fmt;
name = xstrndup(fmt, n);
format_log(es, "found #(): %s", name);
if ((ft->flags & FORMAT_NOJOBS) ||
(es->flags & FORMAT_EXPAND_NOJOBS)) {
out = xstrdup("");
format_log(es, "#() is disabled");
} else {
out = format_job_get(es, name);
format_log(es, "#() result: %s", out);
}
free(name);
outlen = strlen(out);
while (len - off < outlen + 1) {
buf = xreallocarray(buf, 2, len);
len *= 2;
}
memcpy(buf + off, out, outlen);
off += outlen;
free(out);
fmt += n + 1;
continue;
case '{':
ptr = format_skip((char *)fmt - 2, "}");
if (ptr == NULL)
break;
n = ptr - fmt;
format_log(es, "found #{}: %.*s", (int)n, fmt);
if (format_replace(es, fmt, n, &buf, &len, &off) != 0)
break;
fmt += n + 1;
continue;
case '#':
/*
* If ##[ (with two or more #s), then it is a style and
* can be left for format_draw to handle.
*/
ptr = fmt;
n = 2;
while (*ptr == '#') {
ptr++;
n++;
}
if (*ptr == '[') {
format_log(es, "found #*%zu[", n);
while (len - off < n + 2) {
buf = xreallocarray(buf, 2, len);
len *= 2;
}
memcpy(buf + off, fmt - 2, n + 1);
off += n + 1;
fmt = ptr + 1;
continue;
}
/* FALLTHROUGH */
case '}':
case ',':
format_log(es, "found #%c", ch);
while (len - off < 2) {
buf = xreallocarray(buf, 2, len);
len *= 2;
}
buf[off++] = ch;
continue;
default:
s = NULL;
if (ch >= 'A' && ch <= 'Z')
s = format_upper[ch - 'A'];
else if (ch >= 'a' && ch <= 'z')
s = format_lower[ch - 'a'];
if (s == NULL) {
while (len - off < 3) {
buf = xreallocarray(buf, 2, len);
len *= 2;
}
buf[off++] = '#';
buf[off++] = ch;
continue;
}
n = strlen(s);
format_log(es, "found #%c: %s", ch, s);
if (format_replace(es, s, n, &buf, &len, &off) != 0)
break;
continue;
}
break;
}
buf[off] = '\0';
format_log(es, "result is: %s", buf);
es->loop--;
return (buf);
}
/* Expand keys in a template, passing through strftime first. */
char *
format_expand_time(struct format_tree *ft, const char *fmt)
{
struct format_expand_state es;
memset(&es, 0, sizeof es);
es.ft = ft;
es.flags = FORMAT_EXPAND_TIME;
return (format_expand1(&es, fmt));
}
/* Expand keys in a template. */
char *
format_expand(struct format_tree *ft, const char *fmt)
{
struct format_expand_state es;
memset(&es, 0, sizeof es);
es.ft = ft;
es.flags = 0;
return (format_expand1(&es, fmt));
}
/* Expand a single string. */
char *
format_single(struct cmdq_item *item, const char *fmt, struct client *c,
struct session *s, struct winlink *wl, struct window_pane *wp)
{
struct format_tree *ft;
char *expanded;
ft = format_create_defaults(item, c, s, wl, wp);
expanded = format_expand(ft, fmt);
format_free(ft);
return (expanded);
}
/* Expand a single string using state. */
char *
format_single_from_state(struct cmdq_item *item, const char *fmt,
struct client *c, struct cmd_find_state *fs)
{
return (format_single(item, fmt, c, fs->s, fs->wl, fs->wp));
}
/* Expand a single string using target. */
char *
format_single_from_target(struct cmdq_item *item, const char *fmt)
{
struct client *tc = cmdq_get_target_client(item);
return (format_single_from_state(item, fmt, tc, cmdq_get_target(item)));
}
/* Create and add defaults. */
struct format_tree *
format_create_defaults(struct cmdq_item *item, struct client *c,
struct session *s, struct winlink *wl, struct window_pane *wp)
{
struct format_tree *ft;
if (item != NULL)
ft = format_create(cmdq_get_client(item), item, FORMAT_NONE, 0);
else
ft = format_create(NULL, item, FORMAT_NONE, 0);
format_defaults(ft, c, s, wl, wp);
return (ft);
}
/* Create and add defaults using state. */
struct format_tree *
format_create_from_state(struct cmdq_item *item, struct client *c,
struct cmd_find_state *fs)
{
return (format_create_defaults(item, c, fs->s, fs->wl, fs->wp));
}
/* Create and add defaults using target. */
struct format_tree *
format_create_from_target(struct cmdq_item *item)
{
struct client *tc = cmdq_get_target_client(item);
return (format_create_from_state(item, tc, cmdq_get_target(item)));
}
/* Set defaults for any of arguments that are not NULL. */
void
format_defaults(struct format_tree *ft, struct client *c, struct session *s,
struct winlink *wl, struct window_pane *wp)
{
struct paste_buffer *pb;
if (c != NULL && c->name != NULL)
log_debug("%s: c=%s", __func__, c->name);
else
log_debug("%s: c=none", __func__);
if (s != NULL)
log_debug("%s: s=$%u", __func__, s->id);
else
log_debug("%s: s=none", __func__);
if (wl != NULL)
log_debug("%s: wl=%u", __func__, wl->idx);
else
log_debug("%s: wl=none", __func__);
if (wp != NULL)
log_debug("%s: wp=%%%u", __func__, wp->id);
else
log_debug("%s: wp=none", __func__);
if (c != NULL && s != NULL && c->session != s)
log_debug("%s: session does not match", __func__);
if (wp != NULL)
ft->type = FORMAT_TYPE_PANE;
else if (wl != NULL)
ft->type = FORMAT_TYPE_WINDOW;
else if (s != NULL)
ft->type = FORMAT_TYPE_SESSION;
else
ft->type = FORMAT_TYPE_UNKNOWN;
if (s == NULL && c != NULL)
s = c->session;
if (wl == NULL && s != NULL)
wl = s->curw;
if (wp == NULL && wl != NULL)
wp = wl->window->active;
if (c != NULL)
format_defaults_client(ft, c);
if (s != NULL)
format_defaults_session(ft, s);
if (wl != NULL)
format_defaults_winlink(ft, wl);
if (wp != NULL)
format_defaults_pane(ft, wp);
pb = paste_get_top (NULL);
if (pb != NULL)
format_defaults_paste_buffer(ft, pb);
}
/* Set default format keys for a session. */
static void
format_defaults_session(struct format_tree *ft, struct session *s)
{
ft->s = s;
}
/* Set default format keys for a client. */
static void
format_defaults_client(struct format_tree *ft, struct client *c)
{
if (ft->s == NULL)
ft->s = c->session;
ft->c = c;
}
/* Set default format keys for a window. */
void
format_defaults_window(struct format_tree *ft, struct window *w)
{
ft->w = w;
}
/* Set default format keys for a winlink. */
static void
format_defaults_winlink(struct format_tree *ft, struct winlink *wl)
{
if (ft->w == NULL)
format_defaults_window(ft, wl->window);
ft->wl = wl;
}
/* Set default format keys for a window pane. */
void
format_defaults_pane(struct format_tree *ft, struct window_pane *wp)
{
struct window_mode_entry *wme;
if (ft->w == NULL)
format_defaults_window(ft, wp->window);
ft->wp = wp;
wme = TAILQ_FIRST(&wp->modes);
if (wme != NULL && wme->mode->formats != NULL)
wme->mode->formats(wme, ft);
}
/* Set default format keys for paste buffer. */
void
format_defaults_paste_buffer(struct format_tree *ft, struct paste_buffer *pb)
{
ft->pb = pb;
}
/* Return word at given coordinates. Caller frees. */
char *
format_grid_word(struct grid *gd, u_int x, u_int y)
{
const struct grid_line *gl;
struct grid_cell gc;
const char *ws;
struct utf8_data *ud = NULL;
u_int end;
size_t size = 0;
int found = 0;
char *s = NULL;
ws = options_get_string(global_s_options, "word-separators");
for (;;) {
grid_get_cell(gd, x, y, &gc);
if (gc.flags & GRID_FLAG_PADDING)
break;
if (utf8_cstrhas(ws, &gc.data) ||
(gc.data.size == 1 && *gc.data.data == ' ')) {
found = 1;
break;
}
if (x == 0) {
if (y == 0)
break;
gl = grid_peek_line(gd, y - 1);
if (~gl->flags & GRID_LINE_WRAPPED)
break;
y--;
x = grid_line_length(gd, y);
if (x == 0)
break;
}
x--;
}
for (;;) {
if (found) {
end = grid_line_length(gd, y);
if (end == 0 || x == end - 1) {
if (y == gd->hsize + gd->sy - 1)
break;
gl = grid_peek_line(gd, y);
if (~gl->flags & GRID_LINE_WRAPPED)
break;
y++;
x = 0;
} else
x++;
}
found = 1;
grid_get_cell(gd, x, y, &gc);
if (gc.flags & GRID_FLAG_PADDING)
break;
if (utf8_cstrhas(ws, &gc.data) ||
(gc.data.size == 1 && *gc.data.data == ' '))
break;
ud = xreallocarray(ud, size + 2, sizeof *ud);
memcpy(&ud[size++], &gc.data, sizeof *ud);
}
if (size != 0) {
ud[size].size = 0;
s = utf8_tocstr(ud);
free(ud);
}
return (s);
}
/* Return line at given coordinates. Caller frees. */
char *
format_grid_line(struct grid *gd, u_int y)
{
struct grid_cell gc;
struct utf8_data *ud = NULL;
u_int x;
size_t size = 0;
char *s = NULL;
for (x = 0; x < grid_line_length(gd, y); x++) {
grid_get_cell(gd, x, y, &gc);
if (gc.flags & GRID_FLAG_PADDING)
break;
ud = xreallocarray(ud, size + 2, sizeof *ud);
memcpy(&ud[size++], &gc.data, sizeof *ud);
}
if (size != 0) {
ud[size].size = 0;
s = utf8_tocstr(ud);
free(ud);
}
return (s);
}