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maintain and is only going to get worse as more are used. So instead, add a new uint64_t member to cmd_entry which is a bitmask of upper and lowercase options accepted by the command. This means new single character options can be used without the need to add it explicitly to the list.
162 lines
3.8 KiB
C
162 lines
3.8 KiB
C
/* $Id: cmd-switch-client.c,v 1.16 2009-07-14 06:43:33 nicm Exp $ */
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/*
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* Copyright (c) 2007 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 <stdlib.h>
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#include <string.h>
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#include "tmux.h"
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/*
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* Switch client to a different session.
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*/
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int cmd_switch_client_parse(struct cmd *, int, char **, char **);
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int cmd_switch_client_exec(struct cmd *, struct cmd_ctx *);
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void cmd_switch_client_send(struct cmd *, struct buffer *);
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void cmd_switch_client_recv(struct cmd *, struct buffer *);
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void cmd_switch_client_free(struct cmd *);
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size_t cmd_switch_client_print(struct cmd *, char *, size_t);
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struct cmd_switch_client_data {
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char *name;
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char *target;
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};
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const struct cmd_entry cmd_switch_client_entry = {
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"switch-client", "switchc",
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"[-c target-client] [-t target-session]",
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0, 0,
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NULL,
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cmd_switch_client_parse,
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cmd_switch_client_exec,
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cmd_switch_client_send,
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cmd_switch_client_recv,
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cmd_switch_client_free,
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cmd_switch_client_print
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};
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int
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cmd_switch_client_parse(struct cmd *self, int argc, char **argv, char **cause)
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{
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struct cmd_switch_client_data *data;
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int opt;
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self->data = data = xmalloc(sizeof *data);
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data->name = NULL;
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data->target = NULL;
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while ((opt = getopt(argc, argv, "c:t:")) != -1) {
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switch (opt) {
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case 'c':
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data->name = xstrdup(optarg);
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break;
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case 't':
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data->target = xstrdup(optarg);
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break;
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default:
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goto usage;
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}
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}
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argc -= optind;
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argv += optind;
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if (argc != 0)
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goto usage;
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return (0);
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usage:
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xasprintf(cause, "usage: %s %s", self->entry->name, self->entry->usage);
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self->entry->free(self);
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return (-1);
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}
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int
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cmd_switch_client_exec(struct cmd *self, struct cmd_ctx *ctx)
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{
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struct cmd_switch_client_data *data = self->data;
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struct client *c;
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struct session *s;
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if (data == NULL)
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return (0);
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if ((c = cmd_find_client(ctx, data->name)) == NULL)
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return (-1);
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if ((s = cmd_find_session(ctx, data->target)) == NULL)
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return (-1);
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c->session = s;
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recalculate_sizes();
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server_redraw_client(c);
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return (0);
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}
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void
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cmd_switch_client_send(struct cmd *self, struct buffer *b)
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{
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struct cmd_switch_client_data *data = self->data;
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buffer_write(b, data, sizeof *data);
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cmd_send_string(b, data->name);
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cmd_send_string(b, data->target);
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}
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void
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cmd_switch_client_recv(struct cmd *self, struct buffer *b)
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{
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struct cmd_switch_client_data *data;
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self->data = data = xmalloc(sizeof *data);
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buffer_read(b, data, sizeof *data);
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data->name = cmd_recv_string(b);
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data->target = cmd_recv_string(b);
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}
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void
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cmd_switch_client_free(struct cmd *self)
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{
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struct cmd_switch_client_data *data = self->data;
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if (data->name != NULL)
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xfree(data->name);
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if (data->target != NULL)
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xfree(data->target);
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xfree(data);
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}
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size_t
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cmd_switch_client_print(struct cmd *self, char *buf, size_t len)
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{
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struct cmd_switch_client_data *data = self->data;
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size_t off = 0;
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off += xsnprintf(buf, len, "%s", self->entry->name);
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if (data == NULL)
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return (off);
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if (off < len && data->name != NULL)
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off += cmd_prarg(buf + off, len - off, " -c ", data->name);
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if (off < len && data->target != NULL)
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off += cmd_prarg(buf + off, len - off, " -t ", data->target);
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return (off);
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}
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