1 files changed, 0 insertions, 116 deletions
diff --git a/src-3.0/GF/Visualization/Graphviz.hs b/src-3.0/GF/Visualization/Graphviz.hs
deleted file mode 100644
index b59e3ecd2..000000000
--- a/src-3.0/GF/Visualization/Graphviz.hs
+++ /dev/null
@@ -1,116 +0,0 @@
-----------------------------------------------------------------------
--- |
--- Module      : Graphviz
--- Maintainer  : BB
--- Stability   : (stable)
--- Portability : (portable)
---
--- > CVS $Date: 2005/09/15 18:10:44 $ 
--- > CVS $Author: bringert $
--- > CVS $Revision: 1.2 $
---
--- Graphviz DOT format representation and printing.
------------------------------------------------------------------------------
-
-module GF.Visualization.Graphviz (
-				  Graph(..), GraphType(..), 
-				  Node(..), Edge(..),
-				  Attr,
-                                  addSubGraphs,
-                                  setName,
-                                  setAttr,
-				  prGraphviz
-			) where
-
-import Data.Char
-
-import GF.Data.Utilities
-
--- | Graph type, graph ID, graph attirbutes, graph nodes, graph edges, subgraphs
-data Graph = Graph {
-                    gType :: GraphType,
-                    gId :: Maybe String,
-                    gAttrs :: [Attr],
-                    gNodes :: [Node],
-                    gEdges :: [Edge],
-                    gSubgraphs :: [Graph]
-                   }
-  deriving (Show)
-
-data GraphType = Directed | Undirected
-  deriving (Show)
-
-data Node = Node String [Attr]
-  deriving Show
-
-data Edge = Edge String String [Attr]
-  deriving Show
-
-type Attr = (String,String)
-
---
--- * Graph construction
---
-
-addSubGraphs :: [Graph] -> Graph -> Graph
-addSubGraphs gs g = g { gSubgraphs = gs ++ gSubgraphs g }
-
-setName :: String -> Graph -> Graph
-setName n g = g { gId = Just n }
-
-setAttr :: String -> String -> Graph -> Graph
-setAttr n v g = g { gAttrs = tableSet n v (gAttrs g) }
-
---
--- * Pretty-printing
---
-
-prGraphviz :: Graph -> String
-prGraphviz g@(Graph t i _ _ _ _) =
-    graphtype t ++ " " ++ maybe "" esc i ++ " {\n" ++ prGraph g ++ "}\n"
-
-prSubGraph :: Graph -> String
-prSubGraph g@(Graph _ i _ _ _ _) = 
-    "subgraph" ++ " " ++ maybe "" esc i ++ " {\n" ++ prGraph g ++ "}"
-
-prGraph :: Graph -> String
-prGraph (Graph t id at ns es ss) = 
-    unlines $ map (++";") (map prAttr at
-		           ++ map prNode ns 
-		           ++ map (prEdge t) es
-                           ++ map prSubGraph ss)
-
-graphtype :: GraphType -> String
-graphtype Directed = "digraph"
-graphtype Undirected = "graph"
-
-prNode :: Node -> String
-prNode (Node n at) = esc n ++ " " ++ prAttrList at
-
-prEdge :: GraphType -> Edge -> String
-prEdge t (Edge x y at) = esc x ++ " " ++ edgeop t ++ " " ++ esc y ++ " " ++ prAttrList at
-
-edgeop :: GraphType -> String
-edgeop Directed = "->"
-edgeop Undirected = "--"
-
-prAttrList :: [Attr] -> String
-prAttrList [] = ""
-prAttrList at =	"[" ++ join "," (map prAttr at) ++ "]"
-
-prAttr :: Attr -> String
-prAttr (n,v) = esc n ++ " = " ++ esc v
-
-esc :: String -> String
-esc s | needEsc s = "\"" ++ concat [ if shouldEsc c then ['\\',c] else [c] | c <- s ] ++ "\""
-      | otherwise = s
-  where shouldEsc = (`elem` ['"', '\\'])
-
-needEsc :: String -> Bool
-needEsc [] = True
-needEsc xs | all isDigit xs = False
-needEsc (x:xs) = not (isIDFirst x && all isIDChar xs)
-
-isIDFirst, isIDChar :: Char -> Bool
-isIDFirst c = c `elem` (['_']++['a'..'z']++['A'..'Z'])
-isIDChar c = isIDFirst c || isDigit c