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-rw-r--r--src/WindowsEnv/Environment.hs47
1 files changed, 22 insertions, 25 deletions
diff --git a/src/WindowsEnv/Environment.hs b/src/WindowsEnv/Environment.hs
index c194cbe..5bd5bf6 100644
--- a/src/WindowsEnv/Environment.hs
+++ b/src/WindowsEnv/Environment.hs
@@ -14,8 +14,8 @@ module WindowsEnv.Environment
( Profile(..)
, profileKeyPath
- , VarName
- , VarValue(..)
+ , Name
+ , Value(..)
, query
, engrave
@@ -25,8 +25,8 @@ module WindowsEnv.Environment
, pathSplit
, expand
- , pathSplitAndExpand
+ , pathSplitAndExpand
, ExpandedPath(..)
, pathOriginal
, pathExpanded
@@ -60,37 +60,34 @@ profileKeyPath AllUsers = Registry.KeyPath Registry.LocalMachine
, "Environment"
]
-type VarName = String
-
-data VarValue = VarValue
- { varValueExpandable :: Bool
- , varValueString :: String
- } deriving (Eq)
+type Name = String
-instance Show VarValue where
- show = varValueString
+data Value = Value
+ { valueExpandable :: Bool
+ , valueString :: String
+ } deriving (Eq, Show)
-valueFromRegistry :: Registry.StringValue -> VarValue
+valueFromRegistry :: Registry.StringValue -> Value
valueFromRegistry (valueType, valueData)
- | valueType == Registry.TypeString = VarValue False valueData
- | valueType == Registry.TypeExpandableString = VarValue True valueData
+ | valueType == Registry.TypeString = Value False valueData
+ | valueType == Registry.TypeExpandableString = Value True valueData
| otherwise = error "WindowsEnv.Environment: unexpected"
-valueToRegistry :: VarValue -> Registry.StringValue
+valueToRegistry :: Value -> Registry.StringValue
valueToRegistry value
- | varValueExpandable value = (Registry.TypeExpandableString, varValueString value)
- | otherwise = (Registry.TypeString, varValueString value)
+ | valueExpandable value = (Registry.TypeExpandableString, valueString value)
+ | otherwise = (Registry.TypeString, valueString value)
-query :: Profile -> VarName -> ExceptT IOError IO VarValue
+query :: Profile -> Name -> ExceptT IOError IO Value
query profile name = valueFromRegistry <$> Registry.getStringValue (profileKeyPath profile) name
-engrave :: Profile -> VarName -> VarValue -> ExceptT IOError IO ()
+engrave :: Profile -> Name -> Value -> ExceptT IOError IO ()
engrave profile name value = do
ret <- Registry.setStringValue (profileKeyPath profile) name $ valueToRegistry value
lift notifyEnvironmentUpdate
return ret
-wipe :: Profile -> VarName -> ExceptT IOError IO ()
+wipe :: Profile -> Name -> ExceptT IOError IO ()
wipe profile name = do
ret <- Registry.deleteValue (profileKeyPath profile) name `catchE` ignoreIfMissing
lift notifyEnvironmentUpdate
@@ -134,18 +131,18 @@ data ExpandedPath = UnexpandedPath String
pathOriginal :: ExpandedPath -> String
pathOriginal (UnexpandedPath path) = path
-pathOriginal (ExpandedPath original expanded) = original
+pathOriginal (ExpandedPath original _) = original
pathExpanded :: ExpandedPath -> String
pathExpanded (UnexpandedPath path) = path
-pathExpanded (ExpandedPath original expanded) = expanded
+pathExpanded (ExpandedPath _ expanded) = expanded
pathExists :: ExpandedPath -> IO Bool
pathExists = doesDirectoryExist . pathExpanded
-pathSplitAndExpand :: VarValue -> ExceptT IOError IO [ExpandedPath]
+pathSplitAndExpand :: Value -> ExceptT IOError IO [ExpandedPath]
pathSplitAndExpand value
- | varValueExpandable value = do
+ | valueExpandable value = do
expanded <- expandOnce
zipWith ExpandedPath split <$>
if length expanded == length split
@@ -153,7 +150,7 @@ pathSplitAndExpand value
else expandEach
| otherwise = return $ map UnexpandedPath $ pathSplit joined
where
- joined = varValueString value
+ joined = valueString value
split = pathSplit joined
expandOnce = pathSplit <$> expand joined
expandEach = mapM expand split