cmd-set-option.c - tmux - Rivoreo Source Code Repositories

 /* $Id: cmd-set-option.c,v 1.25 2008-06-05 21:25:00 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(struct cmd *, int, char **, char **);
 void	cmd_set_option_exec(struct cmd *, struct cmd_ctx *);
 void	cmd_set_option_send(struct cmd *, struct buffer *);
 void	cmd_set_option_recv(struct cmd *, struct buffer *);
 void	cmd_set_option_free(struct cmd *);
 void	cmd_set_option_print(struct cmd *, char *, size_t);

 struct cmd_set_option_data {
 	char	*target;
 	int	 flag_global;
 	char	*option;
 	char	*value;
 };

 const struct cmd_entry cmd_set_option_entry = {
 	"set-option", "set",
 	"[-t target-window] option value",
 	0,
 	NULL,
 	cmd_set_option_parse,
 	cmd_set_option_exec,
 	cmd_set_option_send,
 	cmd_set_option_recv,
 	cmd_set_option_free,
 	cmd_set_option_print
 };

 int
 cmd_set_option_parse(struct cmd *self, int argc, char **argv, char **cause)
 {
 	struct cmd_set_option_data	*data;
 	int				 opt;

 	self->data = data = xmalloc(sizeof *data);
 	data->target = NULL;
 	data->flag_global = 1;
 	data->option = NULL;
 	data->value = NULL;

 	while ((opt = getopt(argc, argv, "t:s:")) != EOF) {
 		switch (opt) {
 		case 't':
 			if (data->target == NULL)
 				data->target = xstrdup(optarg);
 			data->flag_global = 0;
 			break;
 		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:
 	xasprintf(cause, "usage: %s %s", self->entry->name, self->entry->usage);

 	self->entry->free(self);
 	return (-1);
 }

 void
 cmd_set_option_exec(struct cmd *self, unused struct cmd_ctx *ctx)
 {
 	struct cmd_set_option_data	*data = self->data;
 	struct client			*c;
 	struct session			*s;
 	struct options			*oo;
 	const char			*errstr;
 	u_int				 i;
 	int				 number, bool, key;
 	u_char				 colour;

 	if (data == NULL)
 		return;

 	if (data->flag_global ||
 	    ((s = cmd_find_session(ctx, data->target))) == NULL)
 		oo = &global_options;
 	else
 		oo = &s->options;

 	if (*data->option == '\0') {
 		ctx->error(ctx, "invalid option");
 		return;
 	}

 	number = -1;
 	if (data->value != NULL) {
 		number = strtonum(data->value, 0, INT_MAX, &errstr);

 		bool = -1;
 		if (number == 1 || strcasecmp(data->value, "on") == 0 ||
 		    strcasecmp(data->value, "yes") == 0)
 			bool = 1;
 		else if (number == 0 || strcasecmp(data->value, "off") == 0 ||
 		    strcasecmp(data->value, "no") == 0)
 			bool = 0;
 	} else
 		bool = -2;

 	if (strcmp(data->option, "prefix") == 0) {
 		if (data->value == NULL) {
 			ctx->error(ctx, "invalid value");
 			return;
 		}
 		key = key_string_lookup_string(data->value);
 		if (key == KEYC_NONE) {
 			ctx->error(ctx, "unknown key: %s", data->value);
 			return;
 		}
 		options_set_number(oo, "prefix-key", key);
 	} else if (strcmp(data->option, "status") == 0) {
 		if (bool == -1) {
 			ctx->error(ctx, "bad value: %s", data->value);
 			return;
 		}
 		if (bool == -2)
 			bool = !options_get_number(oo, "status-lines");
 		options_set_number(oo, "status-lines", bool);
 		recalculate_sizes();
 	} else if (strcmp(data->option, "status-fg") == 0) {
 		if (data->value == NULL) {
 			ctx->error(ctx, "invalid value");
 			return;
 		}
 		number = screen_stringcolour(data->value);
 		if (number > 8) {
 			ctx->error(ctx, "bad colour: %s", data->value);
 			return;
 		}

 		colour = options_get_number(oo, "status-colour");
 		colour &= 0x0f;
 		colour |= number << 4;
 		options_set_number(oo, "status-colour", colour);

 		for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
 			c = ARRAY_ITEM(&clients, i);
 			if (c != NULL && c->session != NULL)
 				server_redraw_client(c);
 		}
 	} else if (strcmp(data->option, "status-bg") == 0) {
 		if (data->value == NULL) {
 			ctx->error(ctx, "invalid value");
 			return;
 		}
 		number = screen_stringcolour(data->value);
 		if (number > 8) {
 			ctx->error(ctx, "bad colour: %s", data->value);
 			return;
 		}

 		colour = options_get_number(oo, "status-colour");
 		colour &= 0xf0;
 		colour |= number;
 		options_set_number(oo, "status-colour", colour);

 		for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
 			c = ARRAY_ITEM(&clients, i);
 			if (c != NULL && c->session != NULL)
 				server_redraw_client(c);
 		}
 	} else if (strcmp(data->option, "bell-action") == 0) {
 		if (data->value == NULL) {
 			ctx->error(ctx, "invalid value");
 			return;
 		}
 		if (strcmp(data->value, "any") == 0)
 			number = BELL_ANY;
 		else if (strcmp(data->value, "none") == 0)
 			number = BELL_NONE;
 		else if (strcmp(data->value, "current") == 0)
 			number = BELL_CURRENT;
 		else {
 			ctx->error(ctx, "unknown bell-action: %s", data->value);
 			return;
 		}
 		options_set_number(oo, "bell-action", number);
 	} else if (strcmp(data->option, "default-command") == 0) {
 		if (data->value == NULL) {
 			ctx->error(ctx, "invalid value");
 			return;
 		}
 		options_set_string(oo, "default-command", "%s", data->value);
 	} else if (strcmp(data->option, "history-limit") == 0) {
 		if (data->value == NULL) {
 			ctx->error(ctx, "invalid value");
 			return;
 		}
 		if (number > SHRT_MAX) {
 			ctx->error(ctx, "history-limit too big: %u", number);
 			return;
 		}
 		options_set_number(oo, "history-limit", number);
 	} else if (strcmp(data->option, "status-left") == 0) {
 		if (data->value == NULL) {
 			ctx->error(ctx, "invalid value");
 			return;
 		}

 		options_set_string(oo, "status-left", "%s", data->value);

 		for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
 			c = ARRAY_ITEM(&clients, i);
 			if (c != NULL && c->session != NULL)
 				server_redraw_client(c);
 		}
 	} else if (strcmp(data->option, "status-right") == 0) {
 		if (data->value == NULL) {
 			ctx->error(ctx, "invalid value");
 			return;
 		}

 		options_set_string(oo, "status-right", "%s", data->value);

 		for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
 			c = ARRAY_ITEM(&clients, i);
 			if (c != NULL && c->session != NULL)
 				server_redraw_client(c);
 		}
 	} else {
 		ctx->error(ctx, "unknown option: %s", data->option);
 		return;
 	}

 	if (ctx->cmdclient != NULL)
 		server_write_client(ctx->cmdclient, MSG_EXIT, NULL, 0);
 }

 void
 cmd_set_option_send(struct cmd *self, struct buffer *b)
 {
 	struct cmd_set_option_data	*data = self->data;

 	buffer_write(b, data, sizeof *data);
 	cmd_send_string(b, data->target);
 	cmd_send_string(b, data->option);
 	cmd_send_string(b, data->value);
 }

 void
 cmd_set_option_recv(struct cmd *self, struct buffer *b)
 {
 	struct cmd_set_option_data	*data;

 	self->data = data = xmalloc(sizeof *data);
 	buffer_read(b, data, sizeof *data);
 	data->target = cmd_recv_string(b);
 	data->option = cmd_recv_string(b);
 	data->value = cmd_recv_string(b);
 }

 void
 cmd_set_option_free(struct cmd *self)
 {
 	struct cmd_set_option_data	*data = self->data;

 	if (data->target != NULL)
 		xfree(data->target);
 	if (data->option != NULL)
 		xfree(data->option);
 	if (data->value != NULL)
 		xfree(data->value);
 	xfree(data);
 }

 void
 cmd_set_option_print(struct cmd *self, char *buf, size_t len)
 {
 	struct cmd_set_option_data	*data = self->data;
 	size_t				 off = 0;

 	off += xsnprintf(buf, len, "%s", self->entry->name);
 	if (data == NULL)
 		return;
 	if (off < len && data->option != NULL)
 		off += xsnprintf(buf + off, len - off, " %s", data->option);
 	if (off < len && data->value != NULL)
 		off += xsnprintf(buf + off, len - off, " %s", data->value);
 }
	/* $Id: cmd-set-option.c,v 1.25 2008-06-05 21:25:00 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(struct cmd , int, char , char *);
	void cmd_set_option_exec(struct cmd , struct cmd_ctx );
	void cmd_set_option_send(struct cmd , struct buffer );
	void cmd_set_option_recv(struct cmd , struct buffer );
	void cmd_set_option_free(struct cmd *);
	void cmd_set_option_print(struct cmd , char , size_t);

	struct cmd_set_option_data {
	char *target;
	int flag_global;
	char *option;
	char *value;
	};

	const struct cmd_entry cmd_set_option_entry = {
	"set-option", "set",
	"[-t target-window] option value",
	0,
	NULL,
	cmd_set_option_parse,
	cmd_set_option_exec,
	cmd_set_option_send,
	cmd_set_option_recv,
	cmd_set_option_free,
	cmd_set_option_print
	};

	int
	cmd_set_option_parse(struct cmd self, int argc, char argv, char *cause)
	{
	struct cmd_set_option_data *data;
	int opt;

	self->data = data = xmalloc(sizeof *data);
	data->target = NULL;
	data->flag_global = 1;
	data->option = NULL;
	data->value = NULL;

	while ((opt = getopt(argc, argv, "t:s:")) != EOF) {
	switch (opt) {
	case 't':
	if (data->target == NULL)
	data->target = xstrdup(optarg);
	data->flag_global = 0;
	break;
	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:
	xasprintf(cause, "usage: %s %s", self->entry->name, self->entry->usage);

	self->entry->free(self);
	return (-1);
	}

	void
	cmd_set_option_exec(struct cmd self, unused struct cmd_ctx ctx)
	{
	struct cmd_set_option_data *data = self->data;
	struct client *c;
	struct session *s;
	struct options *oo;
	const char *errstr;
	u_int i;
	int number, bool, key;
	u_char colour;

	if (data == NULL)
	return;

	if (data->flag_global \|\|
	((s = cmd_find_session(ctx, data->target))) == NULL)
	oo = &global_options;
	else
	oo = &s->options;

	if (*data->option == '\0') {
	ctx->error(ctx, "invalid option");
	return;
	}

	number = -1;
	if (data->value != NULL) {
	number = strtonum(data->value, 0, INT_MAX, &errstr);

	bool = -1;
	if (number == 1 \|\| strcasecmp(data->value, "on") == 0 \|\|
	strcasecmp(data->value, "yes") == 0)
	bool = 1;
	else if (number == 0 \|\| strcasecmp(data->value, "off") == 0 \|\|
	strcasecmp(data->value, "no") == 0)
	bool = 0;
	} else
	bool = -2;

	if (strcmp(data->option, "prefix") == 0) {
	if (data->value == NULL) {
	ctx->error(ctx, "invalid value");
	return;
	}
	key = key_string_lookup_string(data->value);
	if (key == KEYC_NONE) {
	ctx->error(ctx, "unknown key: %s", data->value);
	return;
	}
	options_set_number(oo, "prefix-key", key);
	} else if (strcmp(data->option, "status") == 0) {
	if (bool == -1) {
	ctx->error(ctx, "bad value: %s", data->value);
	return;
	}
	if (bool == -2)
	bool = !options_get_number(oo, "status-lines");
	options_set_number(oo, "status-lines", bool);
	recalculate_sizes();
	} else if (strcmp(data->option, "status-fg") == 0) {
	if (data->value == NULL) {
	ctx->error(ctx, "invalid value");
	return;
	}
	number = screen_stringcolour(data->value);
	if (number > 8) {
	ctx->error(ctx, "bad colour: %s", data->value);
	return;
	}

	colour = options_get_number(oo, "status-colour");
	colour &= 0x0f;
	colour \|= number << 4;
	options_set_number(oo, "status-colour", colour);

	for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
	c = ARRAY_ITEM(&clients, i);
	if (c != NULL && c->session != NULL)
	server_redraw_client(c);
	}
	} else if (strcmp(data->option, "status-bg") == 0) {
	if (data->value == NULL) {
	ctx->error(ctx, "invalid value");
	return;
	}
	number = screen_stringcolour(data->value);
	if (number > 8) {
	ctx->error(ctx, "bad colour: %s", data->value);
	return;
	}

	colour = options_get_number(oo, "status-colour");
	colour &= 0xf0;
	colour \|= number;
	options_set_number(oo, "status-colour", colour);

	for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
	c = ARRAY_ITEM(&clients, i);
	if (c != NULL && c->session != NULL)
	server_redraw_client(c);
	}
	} else if (strcmp(data->option, "bell-action") == 0) {
	if (data->value == NULL) {
	ctx->error(ctx, "invalid value");
	return;
	}
	if (strcmp(data->value, "any") == 0)
	number = BELL_ANY;
	else if (strcmp(data->value, "none") == 0)
	number = BELL_NONE;
	else if (strcmp(data->value, "current") == 0)
	number = BELL_CURRENT;
	else {
	ctx->error(ctx, "unknown bell-action: %s", data->value);
	return;
	}
	options_set_number(oo, "bell-action", number);
	} else if (strcmp(data->option, "default-command") == 0) {
	if (data->value == NULL) {
	ctx->error(ctx, "invalid value");
	return;
	}
	options_set_string(oo, "default-command", "%s", data->value);
	} else if (strcmp(data->option, "history-limit") == 0) {
	if (data->value == NULL) {
	ctx->error(ctx, "invalid value");
	return;
	}
	if (number > SHRT_MAX) {
	ctx->error(ctx, "history-limit too big: %u", number);
	return;
	}
	options_set_number(oo, "history-limit", number);
	} else if (strcmp(data->option, "status-left") == 0) {
	if (data->value == NULL) {
	ctx->error(ctx, "invalid value");
	return;
	}

	options_set_string(oo, "status-left", "%s", data->value);

	for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
	c = ARRAY_ITEM(&clients, i);
	if (c != NULL && c->session != NULL)
	server_redraw_client(c);
	}
	} else if (strcmp(data->option, "status-right") == 0) {
	if (data->value == NULL) {
	ctx->error(ctx, "invalid value");
	return;
	}

	options_set_string(oo, "status-right", "%s", data->value);

	for (i = 0; i < ARRAY_LENGTH(&clients); i++) {
	c = ARRAY_ITEM(&clients, i);
	if (c != NULL && c->session != NULL)
	server_redraw_client(c);
	}
	} else {
	ctx->error(ctx, "unknown option: %s", data->option);
	return;
	}

	if (ctx->cmdclient != NULL)
	server_write_client(ctx->cmdclient, MSG_EXIT, NULL, 0);
	}

	void
	cmd_set_option_send(struct cmd self, struct buffer b)
	{
	struct cmd_set_option_data *data = self->data;

	buffer_write(b, data, sizeof *data);
	cmd_send_string(b, data->target);
	cmd_send_string(b, data->option);
	cmd_send_string(b, data->value);
	}

	void
	cmd_set_option_recv(struct cmd self, struct buffer b)
	{
	struct cmd_set_option_data *data;

	self->data = data = xmalloc(sizeof *data);
	buffer_read(b, data, sizeof *data);
	data->target = cmd_recv_string(b);
	data->option = cmd_recv_string(b);
	data->value = cmd_recv_string(b);
	}

	void
	cmd_set_option_free(struct cmd *self)
	{
	struct cmd_set_option_data *data = self->data;

	if (data->target != NULL)
	xfree(data->target);
	if (data->option != NULL)
	xfree(data->option);
	if (data->value != NULL)
	xfree(data->value);
	xfree(data);
	}

	void
	cmd_set_option_print(struct cmd self, char buf, size_t len)
	{
	struct cmd_set_option_data *data = self->data;
	size_t off = 0;

	off += xsnprintf(buf, len, "%s", self->entry->name);
	if (data == NULL)
	return;
	if (off < len && data->option != NULL)
	off += xsnprintf(buf + off, len - off, " %s", data->option);
	if (off < len && data->value != NULL)
	off += xsnprintf(buf + off, len - off, " %s", data->value);
	}