1 files changed, 0 insertions, 87 deletions
diff --git a/TreeSearch.hs b/TreeSearch.hs
deleted file mode 100644
index 518c4d9..0000000
--- a/TreeSearch.hs
+++ /dev/null
@@ -1,87 +0,0 @@
-module TreeSearch where
-
-import Data.Tree.Zipper
-
-
-findTree :: (a -> Bool) -> TreePos Full a -> Maybe (TreePos Full a)
-findTree p loc = if p (label loc)
-    then Just loc
-    else depthFirst loc >>= findTree p
-
-
-depthFirst :: TreePos Full a -> Maybe (TreePos Full a)
-depthFirst loc = case firstChild loc of
-    Just x -> Just x
-    Nothing -> case next loc of
-        Just x -> Just x
-        Nothing -> parentWithNext loc
-  where
-    parentWithNext x =
-        case parent x of
-            Nothing -> Nothing
-            Just x' -> case next x' of
-                Just x'' -> Just x''
-                Nothing -> parentWithNext x'
-
-
-findNext :: TreePos Full a -> Maybe (TreePos Full a)
-findNext = depthFirst
-
-
-findPrev :: TreePos Full a -> Maybe (TreePos Full a)
-findPrev loc =
-    case prev loc of
-        Just x -> trans_lastChild x
-        Nothing -> parent loc
-  where
-    trans_lastChild x =
-        case lastChild x of
-            Nothing -> Just x
-            Just x' -> trans_lastChild x'
-
-
-
-findNextN :: Eq a => Int -> TreePos Full a -> TreePos Full a
-findNextN n loc
-    | n <= 0 = loc
-    | otherwise =
-        maybe loc (findNextN $ n - 1) (skipSame findNext loc)
-
-
-findPrevN :: Eq a => Int -> TreePos Full a -> TreePos Full a
-findPrevN n loc
-    | n <= 0 = loc
-    | otherwise =
-        maybe loc (findPrevN $ n - 1) (skipSame findPrev loc)
-
-
-
-findParent :: (a -> Bool) -> TreePos Full a -> Maybe (TreePos Full a)
-findParent p loc =
-    if p (label loc)
-        then Just loc
-        else parent loc >>= findParent p
-
-
-linearPos :: TreePos Full a -> Int
-linearPos =
-    rec 0
-  where
-    rec i loc = case findPrev loc of
-        Just loc' -> rec (i + 1) loc'
-        Nothing -> i
-
-
-
-skipSame
-    :: Eq a =>
-      (TreePos Full a -> Maybe (TreePos Full a)) ->
-      TreePos Full a ->
-      Maybe (TreePos Full a)
-skipSame next' loc =
-    case next' loc of
-        Nothing -> Nothing
-        Just loc' ->
-            if label loc' == label loc
-                then skipSame next' loc'
-                else Just loc'