Annotation of src/usr.bin/tmux/cmd-switch-client.c, Revision 1.6
1.6 ! nicm 1: /* $OpenBSD: cmd-switch-client.c,v 1.5 2010/01/23 17:50:56 nicm Exp $ */
1.1 nicm 2:
3: /*
4: * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
5: *
6: * Permission to use, copy, modify, and distribute this software for any
7: * purpose with or without fee is hereby granted, provided that the above
8: * copyright notice and this permission notice appear in all copies.
9: *
10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14: * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
15: * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
16: * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17: */
18:
19: #include <sys/types.h>
20:
21: #include <stdlib.h>
22: #include <string.h>
23:
24: #include "tmux.h"
25:
26: /*
27: * Switch client to a different session.
28: */
29:
1.6 ! nicm 30: void cmd_switch_client_init(struct cmd *, int);
1.1 nicm 31: int cmd_switch_client_parse(struct cmd *, int, char **, char **);
32: int cmd_switch_client_exec(struct cmd *, struct cmd_ctx *);
33: void cmd_switch_client_free(struct cmd *);
34: size_t cmd_switch_client_print(struct cmd *, char *, size_t);
35:
36: struct cmd_switch_client_data {
37: char *name;
38: char *target;
1.6 ! nicm 39: int flag_next;
! 40: int flag_previous;
1.1 nicm 41: };
42:
43: const struct cmd_entry cmd_switch_client_entry = {
44: "switch-client", "switchc",
1.6 ! nicm 45: "[-np] [-c target-client] [-t target-session]",
1.4 nicm 46: 0, "",
1.6 ! nicm 47: cmd_switch_client_init,
1.1 nicm 48: cmd_switch_client_parse,
49: cmd_switch_client_exec,
50: cmd_switch_client_free,
51: cmd_switch_client_print
52: };
53:
1.6 ! nicm 54: void
! 55: cmd_switch_client_init(struct cmd *self, int key)
! 56: {
! 57: struct cmd_switch_client_data *data;
! 58:
! 59: self->data = data = xmalloc(sizeof *data);
! 60: data->name = NULL;
! 61: data->target = NULL;
! 62: data->flag_next = 0;
! 63: data->flag_previous = 0;
! 64:
! 65: switch (key) {
! 66: case '(':
! 67: data->flag_previous = 1;
! 68: break;
! 69: case ')':
! 70: data->flag_next = 1;
! 71: break;
! 72: }
! 73: }
! 74:
1.1 nicm 75: int
76: cmd_switch_client_parse(struct cmd *self, int argc, char **argv, char **cause)
77: {
78: struct cmd_switch_client_data *data;
79: int opt;
80:
1.6 ! nicm 81: self->entry->init(self, KEYC_NONE);
! 82: data = self->data;
1.1 nicm 83:
84: while ((opt = getopt(argc, argv, "c:t:")) != -1) {
85: switch (opt) {
86: case 'c':
1.5 nicm 87: if (data->name == NULL)
88: data->name = xstrdup(optarg);
1.1 nicm 89: break;
90: case 't':
1.6 ! nicm 91: if (data->flag_next || data->flag_previous)
! 92: goto usage;
1.5 nicm 93: if (data->target == NULL)
94: data->target = xstrdup(optarg);
1.1 nicm 95: break;
1.6 ! nicm 96: case 'n':
! 97: if (data->flag_previous || data->target != NULL)
! 98: goto usage;
! 99: data->flag_next = 1;
! 100: break;
! 101: case 'p':
! 102: if (data->flag_next || data->target != NULL)
! 103: goto usage;
! 104: data->flag_next = 1;
! 105: break;
1.1 nicm 106: default:
107: goto usage;
108: }
109: }
110: argc -= optind;
111: argv += optind;
112: if (argc != 0)
113: goto usage;
114:
115: return (0);
116:
117: usage:
118: xasprintf(cause, "usage: %s %s", self->entry->name, self->entry->usage);
119:
120: self->entry->free(self);
121: return (-1);
122: }
123:
124: int
125: cmd_switch_client_exec(struct cmd *self, struct cmd_ctx *ctx)
126: {
127: struct cmd_switch_client_data *data = self->data;
128: struct client *c;
129: struct session *s;
130:
131: if (data == NULL)
132: return (0);
133:
134: if ((c = cmd_find_client(ctx, data->name)) == NULL)
135: return (-1);
1.6 ! nicm 136:
! 137: if (data->flag_next) {
! 138: if ((s = session_next_session(c->session)) == NULL) {
! 139: ctx->error(ctx, "can't find next session");
! 140: return (-1);
! 141: }
! 142: } else if (data->flag_previous) {
! 143: if ((s = session_previous_session(c->session)) == NULL) {
! 144: ctx->error(ctx, "can't find previous session");
! 145: return (-1);
! 146: }
! 147: } else
! 148: s = cmd_find_session(ctx, data->target);
! 149:
! 150: if (s == NULL)
1.1 nicm 151: return (-1);
152: c->session = s;
153:
154: recalculate_sizes();
155: server_redraw_client(c);
156:
157: return (0);
158: }
159:
160: void
161: cmd_switch_client_free(struct cmd *self)
162: {
163: struct cmd_switch_client_data *data = self->data;
164:
165: if (data->name != NULL)
166: xfree(data->name);
167: if (data->target != NULL)
168: xfree(data->target);
169: xfree(data);
170: }
171:
172: size_t
173: cmd_switch_client_print(struct cmd *self, char *buf, size_t len)
174: {
175: struct cmd_switch_client_data *data = self->data;
176: size_t off = 0;
177:
178: off += xsnprintf(buf, len, "%s", self->entry->name);
179: if (data == NULL)
180: return (off);
1.6 ! nicm 181: if (off < len && data->flag_next)
! 182: off += xsnprintf(buf + off, len - off, "%s", " -n");
! 183: if (off < len && data->flag_previous)
! 184: off += xsnprintf(buf + off, len - off, "%s", " -p");
1.1 nicm 185: if (off < len && data->name != NULL)
186: off += cmd_prarg(buf + off, len - off, " -c ", data->name);
187: if (off < len && data->target != NULL)
188: off += cmd_prarg(buf + off, len - off, " -t ", data->target);
189: return (off);
190: }
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