1 files changed, 108 insertions, 0 deletions
diff --git a/attributes.c b/attributes.c
new file mode 100644
index 0000000..b839f06
--- /dev/null
+++ b/attributes.c
@@ -0,0 +1,108 @@
+/* $OpenBSD$ */
+
+/*
+ * 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[512];
+	size_t		len;
+
+	if (attr == 0)
+		return ("none");
+
+	len = xsnprintf(buf, sizeof buf, "%s%s%s%s%s%s%s%s%s%s%s%s%s%s",
+	    (attr & GRID_ATTR_CHARSET) ? "acs," : "",
+	    (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," : "",
+	    (attr & GRID_ATTR_UNDERSCORE_2) ? "double-underscore," : "",
+	    (attr & GRID_ATTR_UNDERSCORE_3) ? "curly-underscore," : "",
+	    (attr & GRID_ATTR_UNDERSCORE_4) ? "dotted-underscore," : "",
+	    (attr & GRID_ATTR_UNDERSCORE_5) ? "dashed-underscore," : "",
+	    (attr & GRID_ATTR_OVERLINE) ? "overline," : "");
+	if (len > 0)
+		buf[len - 1] = '\0';
+
+	return (buf);
+}
+
+int
+attributes_fromstring(const char *str)
+{
+	const char	delimiters[] = " ,|";
+	int		attr;
+	size_t		end;
+	u_int		i;
+	struct {
+		const char	*name;
+		int		 attr;
+	} table[] = {
+		{ "acs", GRID_ATTR_CHARSET },
+		{ "bright", GRID_ATTR_BRIGHT },
+		{ "bold", GRID_ATTR_BRIGHT },
+		{ "dim", GRID_ATTR_DIM },
+		{ "underscore", GRID_ATTR_UNDERSCORE },
+		{ "blink", GRID_ATTR_BLINK },
+		{ "reverse", GRID_ATTR_REVERSE },
+		{ "hidden", GRID_ATTR_HIDDEN },
+		{ "italics", GRID_ATTR_ITALICS },
+		{ "strikethrough", GRID_ATTR_STRIKETHROUGH },
+		{ "double-underscore", GRID_ATTR_UNDERSCORE_2 },
+		{ "curly-underscore", GRID_ATTR_UNDERSCORE_3 },
+		{ "dotted-underscore", GRID_ATTR_UNDERSCORE_4 },
+		{ "dashed-underscore", GRID_ATTR_UNDERSCORE_5 },
+		{ "overline", GRID_ATTR_OVERLINE }
+	};
+
+	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);
+		for (i = 0; i < nitems(table); i++) {
+			if (end != strlen(table[i].name))
+				continue;
+			if (strncasecmp(str, table[i].name, end) == 0) {
+				attr |= table[i].attr;
+				break;
+			}
+		}
+		if (i == nitems(table))
+			return (-1);
+		str += end + strspn(str + end, delimiters);
+	} while (*str != '\0');
+
+	return (attr);
+}