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authorJed Barber <jjbarber@y7mail.com>2014-05-11 22:07:09 +1000
committerJed Barber <jjbarber@y7mail.com>2014-05-11 22:07:09 +1000
commit4a5d01677ae457425336bf7de6ddffadf09bae83 (patch)
tree7cdfe6ce89bce948b6a5369d116207914cab9396 /src
parentfd90e7cc9e2a3a792e3256b0604ea8c03176a889 (diff)
Function to find all named nodes in a grasp program
Diffstat (limited to 'src')
-rw-r--r--src/Grasp/Types.hs13
1 files changed, 13 insertions, 0 deletions
diff --git a/src/Grasp/Types.hs b/src/Grasp/Types.hs
index 72f835a..af43d51 100644
--- a/src/Grasp/Types.hs
+++ b/src/Grasp/Types.hs
@@ -1,6 +1,7 @@
module Grasp.Types (
GraspProgram(..),
+ namedNodes,
nodesWithName,
normalise,
iso
@@ -28,6 +29,18 @@ instance (Ord a, Ord b) => Eq (Gr a b) where
+namedNodes :: GraspProgram -> [LNode String]
+namedNodes g =
+ let nodes = Graph.labNodes g
+ edges = Graph.labEdges g
+
+ nameEdges = filter (\(_,_,z) -> z == "name") edges
+ nameNodes = map (\(x,_,_) -> x) nameEdges
+
+ in filter (\(x,_) -> x `elem` nameNodes) nodes
+
+
+
nodesWithName :: GraspProgram -> String -> [LNode String]
nodesWithName g s =
let nodes = Graph.labNodes g