tmux/attributes.c
nicm df3ab87964 Add support for the strikethrough attribute (SGR 9), using the new smxx
terminfo capability. This means there are now nine attribute bits, so
anything above 0xff uses an extended cell.
2017-03-22 07:16:54 +00:00

91 lines
2.7 KiB
C

/* $OpenBSD$ */
/*
* Copyright (c) 2009 Joshua Elsasser <josh@elsasser.org>
*
* 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 <string.h>
#include "tmux.h"
const char *
attributes_tostring(int attr)
{
static char buf[128];
size_t len;
if (attr == 0)
return ("none");
len = xsnprintf(buf, sizeof buf, "%s%s%s%s%s%s%s%s",
(attr & GRID_ATTR_BRIGHT) ? "bright," : "",
(attr & GRID_ATTR_DIM) ? "dim," : "",
(attr & GRID_ATTR_UNDERSCORE) ? "underscore," : "",
(attr & GRID_ATTR_BLINK)? "blink," : "",
(attr & GRID_ATTR_REVERSE) ? "reverse," : "",
(attr & GRID_ATTR_HIDDEN) ? "hidden," : "",
(attr & GRID_ATTR_ITALICS) ? "italics," : "",
(attr & GRID_ATTR_STRIKETHROUGH) ? "strikethrough," : "");
if (len > 0)
buf[len - 1] = '\0';
return (buf);
}
int
attributes_fromstring(const char *str)
{
const char delimiters[] = " ,|";
int attr;
size_t end;
if (*str == '\0' || strcspn(str, delimiters) == 0)
return (-1);
if (strchr(delimiters, str[strlen(str) - 1]) != NULL)
return (-1);
if (strcasecmp(str, "default") == 0 || strcasecmp(str, "none") == 0)
return (0);
attr = 0;
do {
end = strcspn(str, delimiters);
if ((end == 6 && strncasecmp(str, "bright", end) == 0) ||
(end == 4 && strncasecmp(str, "bold", end) == 0))
attr |= GRID_ATTR_BRIGHT;
else if (end == 3 && strncasecmp(str, "dim", end) == 0)
attr |= GRID_ATTR_DIM;
else if (end == 10 && strncasecmp(str, "underscore", end) == 0)
attr |= GRID_ATTR_UNDERSCORE;
else if (end == 5 && strncasecmp(str, "blink", end) == 0)
attr |= GRID_ATTR_BLINK;
else if (end == 7 && strncasecmp(str, "reverse", end) == 0)
attr |= GRID_ATTR_REVERSE;
else if (end == 6 && strncasecmp(str, "hidden", end) == 0)
attr |= GRID_ATTR_HIDDEN;
else if (end == 7 && strncasecmp(str, "italics", end) == 0)
attr |= GRID_ATTR_ITALICS;
else if (end == 13 && strncasecmp(str, "strikethrough", end) == 0)
attr |= GRID_ATTR_STRIKETHROUGH;
else
return (-1);
str += end + strspn(str + end, delimiters);
} while (*str != '\0');
return (attr);
}