optimize wxStringOperationsUtf8::DecodeChar() for the ASCII case

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@48321 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
2007-08-22 09:24:56 +00:00
parent 7da48d4928
commit ac2d749e88
2 changed files with 10 additions and 2 deletions
--- a/include/wx/stringops.h
+++ b/include/wx/stringops.h
@@ -156,7 +156,15 @@ struct WXDLLIMPEXP_BASE wxStringOperationsUtf8
    }

    // decodes single UTF-8 character from UTF-8 string
-    static wxUniChar DecodeChar(wxStringImpl::const_iterator i);
+    static wxUniChar DecodeChar(wxStringImpl::const_iterator i)
+    {
+        if ( (unsigned char)*i < 0x80 )
+            return (int)*i;
+        return DecodeNonAsciiChar(i);
+    }
+
+private:
+    static wxUniChar DecodeNonAsciiChar(wxStringImpl::const_iterator i);
 };
 #endif // wxUSE_UNICODE_UTF8