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35876eaab9
terminal to be switched between several different windows and programs displayed on one terminal be detached from one terminal and moved to another. ok deraadt pirofti
195 lines
4.0 KiB
C
195 lines
4.0 KiB
C
/* $OpenBSD$ */
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/*
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* Copyright (c) 2008 Nicholas Marriott <nicm@users.sourceforge.net>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
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* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
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* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include <sys/types.h>
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#include <fnmatch.h>
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#include <stdlib.h>
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#include <string.h>
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#include "tmux.h"
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struct client *arg_lookup_client(const char *);
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struct session *arg_lookup_session(const char *);
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struct client *
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arg_lookup_client(const char *name)
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{
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struct client *c;
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u_int i;
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for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
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c = ARRAY_ITEM(&clients, i);
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if (c != NULL && strcmp(name, c->tty.path) == 0)
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return (c);
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}
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return (NULL);
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}
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struct session *
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arg_lookup_session(const char *name)
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{
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struct session *s, *newest = NULL;
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struct timeval *tv;
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u_int i;
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tv = NULL;
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for (i = 0; i < ARRAY_LENGTH(&sessions); i++) {
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s = ARRAY_ITEM(&sessions, i);
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if (s == NULL || fnmatch(name, s->name, 0) != 0)
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continue;
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if (tv == NULL || timercmp(&s->tv, tv, >)) {
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newest = s;
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tv = &s->tv;
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}
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}
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return (newest);
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}
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struct client *
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arg_parse_client(const char *arg)
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{
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struct client *c;
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char *arg2;
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size_t n;
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if (arg != NULL && (arg[0] != ':' || arg[1] != '\0')) {
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arg2 = xstrdup(arg);
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/* Trim a trailing : if any from the argument. */
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n = strlen(arg2);
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if (arg2[n - 1] == ':')
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arg2[n - 1] = '\0';
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/* Try and look up the client name. */
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c = arg_lookup_client(arg2);
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xfree(arg2);
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return (c);
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}
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return (NULL);
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}
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struct session *
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arg_parse_session(const char *arg)
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{
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struct session *s;
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struct client *c;
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char *arg2;
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size_t n;
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if (arg != NULL && (arg[0] != ':' || arg[1] != '\0')) {
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arg2 = xstrdup(arg);
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/* Trim a trailing : if any from the argument. */
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n = strlen(arg2);
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if (arg2[n - 1] == ':')
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arg2[n - 1] = '\0';
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/* See if the argument matches a session. */
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if ((s = arg_lookup_session(arg2)) != NULL) {
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xfree(arg2);
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return (s);
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}
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/* If not try a client. */
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if ((c = arg_lookup_client(arg2)) != NULL) {
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xfree(arg2);
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return (c->session);
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}
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xfree(arg2);
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}
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return (NULL);
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}
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int
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arg_parse_window(const char *arg, struct session **s, int *idx)
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{
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char *arg2, *ptr;
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const char *errstr;
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*idx = -1;
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/* Handle no argument or a single :. */
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if (arg == NULL || (arg[0] == ':' && arg[1] == '\0')) {
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*s = arg_parse_session(NULL);
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return (0);
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}
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/* Find the separator if any. */
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arg2 = xstrdup(arg);
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ptr = strrchr(arg2, ':');
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/*
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* If it is first, this means no session name, so use current session
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* and try to convert the rest as index.
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*/
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if (ptr == arg2) {
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*idx = strtonum(ptr + 1, 0, INT_MAX, &errstr);
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if (errstr != NULL) {
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xfree(arg2);
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return (1);
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}
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xfree(arg2);
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*s = arg_parse_session(NULL);
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return (0);
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}
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/* If missing, try as an index, else look up immediately. */
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if (ptr == NULL) {
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*idx = strtonum(arg2, 0, INT_MAX, &errstr);
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if (errstr == NULL) {
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/* This is good as an index; use current session. */
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xfree(arg2);
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*s = arg_parse_session(NULL);
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return (0);
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}
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*idx = -1;
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goto lookup;
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}
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/* If last, strip it and look up as a session. */
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if (ptr[1] == '\0') {
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*ptr = '\0';
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goto lookup;
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}
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/* Present but not first and not last. Break and convert both. */
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*ptr = '\0';
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*idx = strtonum(ptr + 1, 0, INT_MAX, &errstr);
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if (errstr != NULL) {
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xfree(arg2);
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return (1);
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}
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lookup:
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/* Look up as session. */
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*s = arg_parse_session(arg2);
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xfree(arg2);
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if (*s == NULL)
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return (1);
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return (0);
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}
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