set-option command to set meta.

1 files changed, 165 insertions, 0 deletions

diff --git a/cmd-set-option.c b/cmd-set-option.c
new file mode 100644
index 00000000..c2d836ee
--- /dev/null
+++ b/cmd-set-option.c
@@ -0,0 +1,165 @@
+/* $Id: cmd-set-option.c,v 1.1 2007-10-04 10:11:32 nicm Exp $ */
+
+/*
+ * Copyright (c) 2007 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 <string.h>
+
+#include "tmux.h"
+
+/*
+ * Set an option.
+ */
+
+int		 cmd_set_option_parse(void **, int, char **, char **);
+const char	*cmd_set_option_usage(void);
+void		 cmd_set_option_exec(void *, struct cmd_ctx *);
+void		 cmd_set_option_send(void *, struct buffer *);
+void		 cmd_set_option_recv(void **, struct buffer *);
+void		 cmd_set_option_free(void *);
+
+struct cmd_set_option_data {
+	char	*option;
+	char	*value;
+};
+
+const struct cmd_entry cmd_set_option_entry = {
+	CMD_SETOPTION, "set-option", "set", CMD_NOSESSION,
+	cmd_set_option_parse,
+	cmd_set_option_usage,
+	cmd_set_option_exec, 
+	cmd_set_option_send,
+	cmd_set_option_recv,
+	cmd_set_option_free
+};
+
+int
+cmd_set_option_parse(void **ptr, int argc, char **argv, char **cause)
+{
+	struct cmd_set_option_data	*data;
+	int				 opt;
+
+	*ptr = data = xmalloc(sizeof *data);
+	data->option = NULL;
+	data->value = NULL;
+
+	while ((opt = getopt(argc, argv, "")) != EOF) {
+		switch (opt) {
+		default:
+			goto usage;
+		}
+	}	
+	argc -= optind;
+	argv += optind;
+	if (argc != 1 && argc != 2)
+		goto usage;
+
+	data->option = xstrdup(argv[0]);
+	if (argc == 2)
+		data->value = xstrdup(argv[1]);
+
+	return (0);
+
+usage:
+	usage(cause, "%s", cmd_set_option_usage());
+
+	cmd_set_option_free(data);
+	return (-1);
+}
+
+const char *
+cmd_set_option_usage(void)
+{
+	return ("set-option option value");
+}
+
+void
+cmd_set_option_exec(void *ptr, unused struct cmd_ctx *ctx)
+{
+	struct cmd_set_option_data	*data = ptr;
+	struct client			*c = ctx->client;
+	const char			*errstr;
+	u_int				 number;
+	int				 bool, key;
+
+	if (data == NULL)
+		return;
+
+	if (*data->option == '\0') {
+		ctx->error(ctx, "invalid option");
+		return;
+	}
+
+	number =  strtonum(data->value, 0, UINT_MAX, &errstr);
+
+	bool = -1;
+	if (number == 1 ||
+	    strcmp(data->value, "on") == 0 || strcmp(data->value, "yes") == 0)
+		bool = 1;
+	if (number == 0 ||
+	    strcmp(data->value, "off") == 0 || strcmp(data->value, "no") == 0)
+		bool = 0;
+	
+	if (strcmp(data->option, "prefix") == 0) {
+		key = key_string_lookup_string(data->value);
+		if (key == KEYC_NONE) {
+			ctx->error(ctx, "unknown key: %s", data->value);
+			return;
+		}
+		prefix_key = key;
+	} else {
+		ctx->error(ctx, "unknown option: %s", data->option);
+		return;
+	}
+
+	if (!(ctx->flags & CMD_KEY))
+		server_write_client(c, MSG_EXIT, NULL, 0);
+}
+
+void
+cmd_set_option_send(void *ptr, struct buffer *b)
+{
+	struct cmd_set_option_data	*data = ptr;
+
+	cmd_send_string(b, data->option);
+	cmd_send_string(b, data->value);
+}
+
+void
+cmd_set_option_recv(void **ptr, struct buffer *b)
+{
+	struct cmd_set_option_data	*data;
+
+	*ptr = data = xmalloc(sizeof *data);
+	data->option = cmd_recv_string(b);
+	data->value = cmd_recv_string(b);
+}
+
+void
+cmd_set_option_free(void *ptr)
+{
+	struct cmd_set_option_data	*data = ptr;
+
+	if (data->option != NULL)
+		xfree(data->option);
+	if (data->value != NULL)
+		xfree(data->value);
+	xfree(data);
+}