- added NearestName class

swig/name.i

@@ -52,5 +52,46 @@ PyObject *py_get_debug_names(ea_t ea1, ea_t ea2)
 }
 %}
 
+%pythoncode %{
+
+import bisect
+
+class NearestName:
+    """
+    Utility class to help find the nearest name in a given ea/name dictionary
+    """
+    def __init__(self, ea_names):
+        self.update(ea_names)
+
+    def update(self, ea_names):
+        """Updates the ea/names map"""
+        self._names = ea_names
+        self._addrs = ea_names.keys()
+        self._addrs.sort()
+
+    def find(self, ea):
+        """
+        Returns a tupple (ea, name, pos) that is the nearest to the passed ea
+        If no name is matched then None is returned
+        """
+        pos = bisect.bisect_left(self._addrs, ea)
+        # no match
+        if pos >= len(self._addrs):
+            return None
+        # exact match?
+        if self._addrs[pos] != ea:
+            pos -= 1 # go to previous element
+        if pos < 0:
+            return None
+        return self[pos]
+
+    def __getitem__(self, index):
+        """Returns the tupple (ea, name, index)"""
+        if index > len(self._addrs):
+            raise StopIteration
+        ea = self._addrs[index]
+        return (ea, self._names[ea], index)
+
+%}
 %include "name.hpp"