/* $OpenBSD: format.c,v 1.287 2021/07/08 11:14:53 nicm Exp $ */ /* * Copyright (c) 2011 Nicholas Marriott * * 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 #include #include #include #include #include #include #include #include #include #include #include #include #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); fj->expanded = NULL; xasprintf(&fj->out, "<'%s' not ready>", fj->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; } free(expanded); if (ft->flags & FORMAT_STATUS) fj->status = 1; 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, ©, &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); }