commit 69135219111be239d6088457604dcfc185e6ceee
author Paul Sokolovsky <pfalcon@users.sourceforge.net> Sat May 10 19:47:41 2014 +0300
committer Paul Sokolovsky <pfalcon@users.sourceforge.net> Sat May 10 19:49:07 2014 +0300
tree 3dc5f84ebe013924828e2bacc9dda12690e9ce54
parent 1b82e9af5c9b67cae8f7a35abc2dee3989fbdc06

objstr: Implement .lower() and .upper().

py/unicode.c

diff --git a/py/unicode.c b/py/unicode.c
index fff6030..1cd82f3 100644
--- a/py/unicode.c
+++ b/py/unicode.c
@@ -97,6 +97,7 @@
 bool char_is_alpha_or_digit(unichar c) {
     return c < 128 && (attr[c] & (FL_ALPHA | FL_DIGIT)) != 0;
 }
+*/
 
 bool char_is_upper(unichar c) {
     return c < 128 && (attr[c] & FL_UPPER) != 0;
@@ -105,4 +106,17 @@
 bool char_is_lower(unichar c) {
     return c < 128 && (attr[c] & FL_LOWER) != 0;
 }
-*/
+
+unichar unichar_tolower(unichar c) {
+    if (char_is_upper(c)) {
+        return c + 0x20;
+    }
+    return c;
+}
+
+unichar unichar_toupper(unichar c) {
+    if (char_is_lower(c)) {
+        return c - 0x20;
+    }
+    return c;
+}