# HG changeset patch
# User David Bateman <dbateman@free.fr>
# Date 1305144152 -7200
# Node ID 68a59630798d1aae7e23003a7196232d897f58a8
# Parent  aa3ba343a76f4d75a25beed27aae7967a2112f58
Fix case insenstive use of radio values in graphics objects (bug #33068)

* caseless-str.h (bool operator < (const std::string& s) const)):
New operator in the caseless_str class.

diff --git a/liboctave/caseless-str.h b/liboctave/caseless-str.h
--- a/liboctave/caseless-str.h
+++ b/liboctave/caseless-str.h
@@ -46,6 +46,29 @@
 
   operator std::string (void) const { return *this; }
 
+  bool operator < (const std::string& s) const
+  {
+    bool same = true;
+    const_iterator p1 = begin ();
+    const_iterator p2 = s.begin ();
+
+    while (p1 != end () && p2 != s.end ())
+      {
+        if (std::tolower (*p2) < std::tolower (*p1))
+          return false;
+        if (same && (std::tolower (*p2) != std::tolower (*p1)))
+	  same = false;
+
+        *p1++;
+        *p2++;
+      }
+
+    if (same && (length() >= s.length ()))
+      return false;
+    else
+      return true;
+  }
+
   // Case-insensitive comparison.
   bool compare (const std::string& s, size_t limit = std::string::npos) const
   {