From 93b8e66b5d80f8042635b526efc190a15fe59271 Mon Sep 17 00:00:00 2001
From: Lance Stout <lancestout@gmail.com>
Date: Sun, 20 Jan 2013 16:24:50 -0800
Subject: Remove unused portions of XMLMask

---
 sleekxmpp/xmlstream/matcher/xmlmask.py | 67 +++++++---------------------------
 1 file changed, 13 insertions(+), 54 deletions(-)

(limited to 'sleekxmpp/xmlstream')

diff --git a/sleekxmpp/xmlstream/matcher/xmlmask.py b/sleekxmpp/xmlstream/matcher/xmlmask.py
index a0568f08..cb202448 100644
--- a/sleekxmpp/xmlstream/matcher/xmlmask.py
+++ b/sleekxmpp/xmlstream/matcher/xmlmask.py
@@ -14,12 +14,6 @@ from sleekxmpp.xmlstream.stanzabase import ET
 from sleekxmpp.xmlstream.matcher.base import MatcherBase
 
 
-# Flag indicating if the builtin XPath matcher should be used, which
-# uses namespaces, or a custom matcher that ignores namespaces.
-# Changing this will affect ALL XMLMask matchers.
-IGNORE_NS = False
-
-
 log = logging.getLogger(__name__)
 
 
@@ -39,10 +33,6 @@ class MatchXMLMask(MatcherBase):
     :class:`~sleekxmpp.xmlstream.matcher.stanzapath.StanzaPath`
     should be used instead.
 
-    The use of namespaces in the mask comparison is controlled by
-    ``IGNORE_NS``. Setting ``IGNORE_NS`` to ``True`` will disable namespace
-    based matching for ALL XMLMask matchers.
-
     :param criteria: Either an :class:`~xml.etree.ElementTree.Element` XML
                      object or XML string to use as a mask.
     """
@@ -84,8 +74,6 @@ class MatchXMLMask(MatcherBase):
                      do not have a specified namespace.
                      Defaults to ``"__no_ns__"``.
         """
-        use_ns = not IGNORE_NS
-
         if source is None:
             # If the element was not found. May happend during recursive calls.
             return False
@@ -96,17 +84,10 @@ class MatchXMLMask(MatcherBase):
                 mask = ET.fromstring(mask)
             except ExpatError:
                 log.warning("Expat error: %s\nIn parsing: %s", '', mask)
-        if not use_ns:
-            # Compare the element without using namespaces.
-            source_tag = source.tag.split('}', 1)[-1]
-            mask_tag = mask.tag.split('}', 1)[-1]
-            if source_tag != mask_tag:
-                return False
-        else:
-            # Compare the element using namespaces
-            mask_ns_tag = "{%s}%s" % (self.default_ns, mask.tag)
-            if source.tag not in [mask.tag, mask_ns_tag]:
-                return False
+
+        mask_ns_tag = "{%s}%s" % (self.default_ns, mask.tag)
+        if source.tag not in [mask.tag, mask_ns_tag]:
+            return False
 
         # If the mask includes text, compare it.
         if mask.text and source.text and \
@@ -122,37 +103,15 @@ class MatchXMLMask(MatcherBase):
         # Recursively check subelements.
         matched_elements = {}
         for subelement in mask:
-            if use_ns:
-                matched = False
-                for other in source.findall(subelement.tag):
-                    matched_elements[other] = False
-                    if self._mask_cmp(other, subelement, use_ns):
-                        if not matched_elements.get(other, False):
-                            matched_elements[other] = True
-                            matched = True
-                if not matched:
-                    return False
-            else:
-                if not self._mask_cmp(self._get_child(source, subelement.tag),
-                                      subelement, use_ns):
-                    return False
+            matched = False
+            for other in source.findall(subelement.tag):
+                matched_elements[other] = False
+                if self._mask_cmp(other, subelement, use_ns):
+                    if not matched_elements.get(other, False):
+                        matched_elements[other] = True
+                        matched = True
+            if not matched:
+                return False
 
         # Everything matches.
         return True
-
-    def _get_child(self, xml, tag):
-        """Return a child element given its tag, ignoring namespace values.
-
-        Returns ``None`` if the child was not found.
-
-        :param xml: The :class:`~xml.etree.ElementTree.Element` XML object
-                    to search for the given child tag.
-        :param tag: The name of the subelement to find.
-        """
-        tag = tag.split('}')[-1]
-        try:
-            children = [c.tag.split('}')[-1] for c in xml]
-            index = children.index(tag)
-        except ValueError:
-            return None
-        return list(xml)[index]
-- 
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