1 files changed, 160 insertions, 0 deletions
diff --git a/src/core/levels.c b/src/core/levels.c
new file mode 100644
index 00000000..7e55d738
--- /dev/null
+++ b/src/core/levels.c
@@ -0,0 +1,160 @@
+/*
+ levels.c : irssi
+
+    Copyright (C) 1999-2000 Timo Sirainen
+
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+*/
+
+#include "module.h"
+#include "levels.h"
+
+static char *levels[] =
+{
+	"CRAP",
+	"MSGS",
+	"PUBLICS",
+	"NOTICES",
+	"SNOTES",
+	"CTCPS",
+	"ACTIONS",
+	"JOINS",
+	"PARTS",
+	"QUITS",
+	"KICKS",
+	"MODES",
+	"TOPICS",
+	"WALLS",
+	"WALLOPS",
+	"INVITES",
+	"NICKS",
+	"DCC",
+	"CLIENTNOTICES",
+	"CLIENTCRAP",
+	"CLIENTERRORS",
+	"HILIGHT",
+
+	"NOHILIGHT",
+	NULL
+};
+
+int level_get(const char *level)
+{
+	int n, len;
+
+	if (strcmp(level, "ALL") == 0)
+		return MSGLEVEL_ALL;
+
+	if (strcmp(level, "NEVER") == 0)
+		return MSGLEVEL_NEVER;
+
+	/* I never remember if it was PUBLIC or PUBLICS, MSG or MSGS, etc.
+	   So, make it work with both. */
+	len = strlen(level);
+	if (toupper(level[len-1]) == 'S') len--;
+
+	for (n = 0; levels[n] != NULL; n++) {
+		if (strncmp(levels[n], level, len) == 0 &&
+		    (levels[n][len] == '\0' || strcmp(levels[n]+len, "S") == 0))
+			return 1 << n;
+	}
+
+	return 0;
+}
+
+int level2bits(const char *level)
+{
+	char *orig, *str, *ptr;
+	int ret, slevel, neg;
+
+	g_return_val_if_fail(level != NULL, 0);
+
+	if (*level == '\0')
+		return 0;
+
+	orig = str = g_strdup(level);
+	g_strup(str);
+
+	ret = 0;
+	for (ptr = str; ; str++) {
+		if (*str == ' ')
+			*str++ = '\0';
+		else if (*str != '\0')
+			continue;
+
+		neg = *ptr == '-' ? 1 : 0;
+		if (*ptr == '-' || *ptr == '+') ptr++;
+
+		slevel = level_get(ptr);
+		if (slevel != 0) {
+			ret = !neg ? (ret | slevel) :
+				(ret & ~slevel);
+		}
+
+       		while (*str == ' ') str++;
+		if (*str == '\0') break;
+
+       		ptr = str;
+	}
+	g_free(orig);
+
+	return ret;
+}
+
+char *bits2level(int bits)
+{
+	GString *str;
+	char *ret;
+	int n;
+
+	if (bits == MSGLEVEL_ALL)
+		return g_strdup("ALL");
+
+	str = g_string_new(NULL);
+	if (bits & MSGLEVEL_NEVER)
+		g_string_append(str, "NEVER ");
+
+	for (n = 0; levels[n] != NULL; n++) {
+		if (bits & (1 << n))
+			g_string_sprintfa(str, "%s ", levels[n]);
+	}
+	g_string_truncate(str, str->len-1);
+
+	ret = str->str;
+	g_string_free(str, FALSE);
+
+	return ret;
+}
+
+int combine_level(int dest, const char *src)
+{
+	char **list, **item;
+	int itemlevel;
+
+	g_return_val_if_fail(src != NULL, dest);
+
+	list = g_strsplit(src, " ", -1);
+	for (item = list; *item != NULL; item++) {
+                g_strup(*item);
+		itemlevel = level_get(*item + (**item == '+' || **item == '-' ? 1 : 0));
+		if (**item == '-')
+			dest &= ~(itemlevel);
+		else
+			dest |= itemlevel;
+	}
+	g_strfreev(list);
+
+	return dest;
+}