Add wmmenugen, an extensible PropList-format menu generator

Signed-off-by: Tamas TEVESZ <ice@extreme.hu>

util/wmmenugen_misc.c

@@ -0,0 +1,126 @@
+/*
+ * wmmenugen - Window Maker PropList menu generator
+ *
+ * miscellaneous functions
+ *
+ * Copyright (c) 2010. Tamas Tevesz <ice@extreme.hu>
+ *
+ * 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.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include <libgen.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <WINGs/WUtil.h>
+
+static char *terminals[] = {
+	"x-terminal-emulator", "aterm","eterm", "gnome-terminal", "konsole",
+	"kterm", "mlterm", "rxvt", "mrxvt", "pterm", "xterm", "dtterm",
+	NULL
+};
+
+/* pick a terminal emulator by finding the first existing entry of `terminals'
+ * in $PATH. the returned pointer should be wfreed later.
+ * if $WMMENU_TERMINAL exists in the environment, it's value overrides this
+ * detection.
+ */
+char *find_terminal_emulator(void)
+{
+	char *path, *t, *ret;
+	int i;
+
+	path = t = ret = NULL;
+
+	t = getenv("WMMENU_TERMINAL");
+	if (t) {
+		ret = wstrdup(t);
+		return ret;
+	}
+
+	path = getenv("PATH");
+	if (!path)
+		return NULL;
+
+	for (i = 0; terminals[i]; i++) {
+		t = wfindfile(path, terminals[i]);
+		if (t)
+			break;
+	}
+
+	if (t)
+		ret = wstrdup(basename(t));
+	else
+		ret = wstrdup(t);
+
+	wfree(t);
+
+	return ret;
+}
+
+/* tokenize `what' (LC_MESSAGES or LANG if `what' is NULL) in the form of
+ * `language[_territory][.codeset][@modifier]' into separate language, country,
+ * encoding, modifier components, which are allocated on demand and should be
+ * wfreed later. components that do not exist in `what' are set to NULL.
+ */
+void parse_locale(const char *what, char **language, char **country, char **encoding, char **modifier)
+{
+	char *e, *p;
+
+	*language = *country = *encoding = *modifier = NULL;
+
+	if (what == NULL) {
+		e = getenv("LC_MESSAGES");
+		if (e == NULL) {
+			e = getenv("LANG");	/* this violates the spec */
+			if (e == NULL)
+				return;
+		}
+		e = wstrdup(e);
+	} else {
+		e = wstrdup(what);
+	}
+
+	if (strlen(e) == 0 ||
+	    strcmp(e, "POSIX") == 0 ||
+	    strcmp(e, "C") == 0)
+		goto out;
+
+	p = strchr(e, '@');
+	if (p) {
+		*modifier = wstrdup(p + 1);
+		*p = '\0';
+	}
+
+	p = strchr(e, '.');
+	if (p) {
+		*encoding = wstrdup(p + 1);
+		*p = '\0';
+	}
+
+	p = strchr(e, '_');
+	if (p) {
+		*country = wstrdup(p + 1);
+		*p = '\0';
+	}
+
+	if (strlen(e) > 0)
+		*language = wstrdup(e);
+
+out:
+	free(e);
+	return;
+
+}