1 files changed, 108 insertions, 0 deletions
diff --git a/engines/director/util.cpp b/engines/director/util.cpp
new file mode 100644
index 0000000000..ccde2b3127
--- /dev/null
+++ b/engines/director/util.cpp
@@ -0,0 +1,108 @@
+/* ScummVM - Graphic Adventure Engine
+ *
+ * ScummVM is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * 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 "common/str.h"
+#include "common/textconsole.h"
+
+#include "director/util.h"
+
+namespace Director {
+
+int castNumToNum(const char *str) {
+	if (strlen(str) != 3)
+		return -1;
+
+	if (tolower(str[0]) >= 'a' && tolower(str[0]) <= 'h' &&
+		str[1] >= '1' && str[1] <= '8' &&
+		str[2] >= '1' && str[2] <= '8') {
+
+		return (tolower(str[0]) - 'a') * 64 + (str[1] - '1') * 8 + (str[2] - '1') + 1;
+	}
+
+	return -1;
+}
+
+char *numToCastNum(int num) {
+	static char res[4];
+
+	res[0] = res[1] = res[2] = '?';
+	res[3] = '\0';
+	num--;
+
+	if (num > 0 && num <= 512) {
+		int c = num / 64;
+		res[0] = 'A' + c;
+		num -= 64 * c;
+
+		c =  num / 8;
+		res[1] = '1' + c;
+		num -= 8 * c;
+
+		res[2] = '1' + num;
+	}
+
+	return res;
+}
+
+// This is table for built-in Macintosh font lowercasing.
+// '.' means that the symbol should be not changed, rest
+// of the symbols are stripping the diacritics
+// The table starts from 0x80
+//
+// TODO: Check it for correctness.
+static char lowerCaseConvert[] =
+"aacenoua" // 80
+"aaaaacee" // 88
+"eeiiiino" // 90
+"oooouuuu" // 98
+"........" // a0
+".......o" // a8
+"........" // b0
+".......o" // b8
+"........" // c0
+".. aao.." // c8
+"--.....y";// d0-d8
+
+Common::String *toLowercaseMac(Common::String *s) {
+	Common::String *res = new Common::String;
+	const unsigned char *p = (const unsigned char *)s->c_str();
+
+	while (*p) {
+		if (*p >= 0x80 && *p <= 0xd8) {
+			if (lowerCaseConvert[*p - 0x80] != '.')
+				*res += lowerCaseConvert[*p - 0x80];
+			else
+				*res += *p;
+		} else if (*p < 0x80) {
+			*res += tolower(*p);
+		} else {
+			warning("Unacceptable symbol in toLowercaseMac: %c", *p);
+
+			*res += *p;
+		}
+		p++;
+	}
+
+	return res;
+}
+
+} // End of namespace Director