tmux/cmd-generic.c
2008-06-29 07:04:31 +00:00

416 lines
9.1 KiB
C

/* $Id: cmd-generic.c,v 1.12 2008-06-29 07:04:30 nicm Exp $ */
/*
* Copyright (c) 2008 Nicholas Marriott <nicm@users.sourceforge.net>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
* IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
* OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/types.h>
#include <getopt.h>
#include <stdlib.h>
#include "tmux.h"
void
cmd_target_init(struct cmd *self, unused int key)
{
struct cmd_target_data *data;
self->data = data = xmalloc(sizeof *data);
data->flags = 0;
data->target = NULL;
data->arg = NULL;
}
int
cmd_target_parse(struct cmd *self, int argc, char **argv, char **cause)
{
struct cmd_target_data *data;
int opt;
/* Don't use the entry version since it may be dependent on key. */
cmd_target_init(self, 0);
data = self->data;
while ((opt = getopt(argc, argv, "dkt:")) != EOF) {
switch (opt) {
case 'd':
if (self->entry->flags & CMD_DFLAG) {
data->flags |= CMD_DFLAG;
break;
}
goto usage;
case 'k':
if (self->entry->flags & CMD_KFLAG) {
data->flags |= CMD_KFLAG;
break;
}
goto usage;
case 't':
if (data->target == NULL)
data->target = xstrdup(optarg);
break;
default:
goto usage;
}
}
argc -= optind;
argv += optind;
if (self->entry->flags & CMD_ONEARG) {
if (argc != 1)
goto usage;
data->arg = xstrdup(argv[0]);
} else if (self->entry->flags & CMD_ZEROONEARG) {
if (argc == 0)
data->arg = NULL;
else if (argc == 1)
data->arg = xstrdup(argv[0]);
else
goto usage;
} else {
if (argc != 0)
goto usage;
}
return (0);
usage:
xasprintf(cause, "usage: %s %s", self->entry->name, self->entry->usage);
self->entry->free(self);
return (-1);
}
void
cmd_target_send(struct cmd *self, struct buffer *b)
{
struct cmd_target_data *data = self->data;
buffer_write(b, data, sizeof *data);
cmd_send_string(b, data->target);
cmd_send_string(b, data->arg);
}
void
cmd_target_recv(struct cmd *self, struct buffer *b)
{
struct cmd_target_data *data;
self->data = data = xmalloc(sizeof *data);
buffer_read(b, data, sizeof *data);
data->target = cmd_recv_string(b);
data->arg = cmd_recv_string(b);
}
void
cmd_target_free(struct cmd *self)
{
struct cmd_target_data *data = self->data;
if (data->target != NULL)
xfree(data->target);
if (data->arg != NULL)
xfree(data->arg);
xfree(data);
}
void
cmd_target_print(struct cmd *self, char *buf, size_t len)
{
struct cmd_target_data *data = self->data;
size_t off = 0;
off += xsnprintf(buf, len, "%s", self->entry->name);
if (data == NULL)
return;
if (off < len && data->flags & CMD_DFLAG)
off += xsnprintf(buf + off, len - off, " -d");
if (off < len && data->flags & CMD_KFLAG)
off += xsnprintf(buf + off, len - off, " -k");
if (off < len && data->target != NULL)
off += xsnprintf(buf + off, len - off, " -t %s", data->target);
if (off < len && data->arg != NULL)
off += xsnprintf(buf + off, len - off, " %s", data->arg);
}
void
cmd_srcdst_init(struct cmd *self, unused int key)
{
struct cmd_srcdst_data *data;
self->data = data = xmalloc(sizeof *data);
data->flags = 0;
data->src = NULL;
data->dst = NULL;
data->arg = NULL;
}
int
cmd_srcdst_parse(struct cmd *self, int argc, char **argv, char **cause)
{
struct cmd_srcdst_data *data;
int opt;
cmd_srcdst_init(self, 0);
data = self->data;
while ((opt = getopt(argc, argv, "dks:t:")) != EOF) {
switch (opt) {
case 'd':
if (self->entry->flags & CMD_DFLAG) {
data->flags |= CMD_DFLAG;
break;
}
goto usage;
case 'k':
if (self->entry->flags & CMD_KFLAG) {
data->flags |= CMD_KFLAG;
break;
}
goto usage;
case 's':
if (data->src == NULL)
data->src = xstrdup(optarg);
break;
case 't':
if (data->dst == NULL)
data->dst = xstrdup(optarg);
break;
default:
goto usage;
}
}
argc -= optind;
argv += optind;
if (self->entry->flags & CMD_ONEARG) {
if (argc != 1)
goto usage;
data->arg = xstrdup(argv[0]);
} else if (self->entry->flags & CMD_ZEROONEARG) {
if (argc == 0)
data->arg = NULL;
else if (argc == 1)
data->arg = xstrdup(argv[0]);
else
goto usage;
} else {
if (argc != 0)
goto usage;
}
return (0);
usage:
xasprintf(cause, "usage: %s %s", self->entry->name, self->entry->usage);
self->entry->free(self);
return (-1);
}
void
cmd_srcdst_send(struct cmd *self, struct buffer *b)
{
struct cmd_srcdst_data *data = self->data;
buffer_write(b, data, sizeof *data);
cmd_send_string(b, data->src);
cmd_send_string(b, data->dst);
cmd_send_string(b, data->arg);
}
void
cmd_srcdst_recv(struct cmd *self, struct buffer *b)
{
struct cmd_srcdst_data *data;
self->data = data = xmalloc(sizeof *data);
buffer_read(b, data, sizeof *data);
data->src = cmd_recv_string(b);
data->dst = cmd_recv_string(b);
data->arg = cmd_recv_string(b);
}
void
cmd_srcdst_free(struct cmd *self)
{
struct cmd_srcdst_data *data = self->data;
if (data->src != NULL)
xfree(data->src);
if (data->dst != NULL)
xfree(data->dst);
if (data->arg != NULL)
xfree(data->arg);
xfree(data);
}
void
cmd_srcdst_print(struct cmd *self, char *buf, size_t len)
{
struct cmd_srcdst_data *data = self->data;
size_t off = 0;
off += xsnprintf(buf, len, "%s", self->entry->name);
if (data == NULL)
return;
if (off < len && data->flags & CMD_DFLAG)
off += xsnprintf(buf + off, len - off, " -d");
if (off < len && data->flags & CMD_KFLAG)
off += xsnprintf(buf + off, len - off, " -k");
if (off < len && data->src != NULL)
off += xsnprintf(buf + off, len - off, " -s %s", data->src);
if (off < len && data->dst != NULL)
off += xsnprintf(buf + off, len - off, " -t %s", data->dst);
if (off < len && data->arg != NULL)
off += xsnprintf(buf + off, len - off, " %s", data->arg);
}
void
cmd_buffer_init(struct cmd *self, unused int key)
{
struct cmd_buffer_data *data;
self->data = data = xmalloc(sizeof *data);
data->flags = 0;
data->target = NULL;
data->buffer = -1;
data->arg = NULL;
}
int
cmd_buffer_parse(struct cmd *self, int argc, char **argv, char **cause)
{
struct cmd_buffer_data *data;
int opt, n;
const char *errstr;
cmd_buffer_init(self, 0);
data = self->data;
while ((opt = getopt(argc, argv, "b:dkt:")) != EOF) {
switch (opt) {
case 'b':
if (data->buffer == -1) {
n = strtonum(optarg, 0, INT_MAX, &errstr);
if (errstr != NULL) {
xasprintf(
cause, "buffer index %s", errstr);
goto error;
}
data->buffer = n;
}
break;
case 'd':
if (self->entry->flags & CMD_DFLAG) {
data->flags |= CMD_DFLAG;
break;
}
goto usage;
case 'k':
if (self->entry->flags & CMD_KFLAG) {
data->flags |= CMD_KFLAG;
break;
}
goto usage;
case 't':
if (data->target == NULL)
data->target = xstrdup(optarg);
break;
default:
goto usage;
}
}
argc -= optind;
argv += optind;
if (self->entry->flags & CMD_ONEARG) {
if (argc != 1)
goto usage;
data->arg = xstrdup(argv[0]);
} else if (self->entry->flags & CMD_ZEROONEARG) {
if (argc == 0)
data->arg = NULL;
else if (argc == 1)
data->arg = xstrdup(argv[0]);
else
goto usage;
} else {
if (argc != 0)
goto usage;
}
return (0);
usage:
xasprintf(cause, "usage: %s %s", self->entry->name, self->entry->usage);
error:
self->entry->free(self);
return (-1);
}
void
cmd_buffer_send(struct cmd *self, struct buffer *b)
{
struct cmd_buffer_data *data = self->data;
buffer_write(b, data, sizeof *data);
cmd_send_string(b, data->target);
cmd_send_string(b, data->arg);
}
void
cmd_buffer_recv(struct cmd *self, struct buffer *b)
{
struct cmd_buffer_data *data;
self->data = data = xmalloc(sizeof *data);
buffer_read(b, data, sizeof *data);
data->target = cmd_recv_string(b);
data->arg = cmd_recv_string(b);
}
void
cmd_buffer_free(struct cmd *self)
{
struct cmd_buffer_data *data = self->data;
if (data->target != NULL)
xfree(data->target);
if (data->arg != NULL)
xfree(data->arg);
xfree(data);
}
void
cmd_buffer_print(struct cmd *self, char *buf, size_t len)
{
struct cmd_buffer_data *data = self->data;
size_t off = 0;
off += xsnprintf(buf, len, "%s", self->entry->name);
if (data == NULL)
return;
if (off < len && data->flags & CMD_DFLAG)
off += xsnprintf(buf + off, len - off, " -d");
if (off < len && data->flags & CMD_KFLAG)
off += xsnprintf(buf + off, len - off, " -k");
if (off < len && data->buffer != -1)
off += xsnprintf(buf + off, len - off, " -b %d", data->buffer);
if (off < len && data->target != NULL)
off += xsnprintf(buf + off, len - off, " -t %s", data->target);
if (off < len && data->arg != NULL)
off += xsnprintf(buf + off, len - off, " %s", data->arg);
}