{-# LANGUAGE CPP #-}
module Text.Microstache.Compile
( compileMustacheDir
, getMustacheFilesInDir
, compileMustacheFile
, compileMustacheText )
where
import Control.Exception (throwIO)
import Control.Monad (filterM, foldM)
import Data.Text.Lazy (Text)
import System.Directory
import Text.Microstache.Parser
import Text.Microstache.Type
import Text.Parsec
import qualified Data.Map as Map
import qualified Data.Text as T
import qualified Data.Text.Lazy.IO as LT
import qualified System.FilePath as F
#if !MIN_VERSION_base(4,8,0)
import Control.Applicative ((<$>))
#endif
compileMustacheDir
:: PName
-> FilePath
-> IO Template
compileMustacheDir :: PName -> FilePath -> IO Template
compileMustacheDir PName
pname FilePath
path =
FilePath -> IO [FilePath]
getMustacheFilesInDir FilePath
path IO [FilePath] -> ([FilePath] -> IO Template) -> IO Template
forall (m :: * -> *) a b. Monad m => m a -> (a -> m b) -> m b
>>=
(Template -> Template) -> IO Template -> IO Template
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
fmap Template -> Template
selectKey (IO Template -> IO Template)
-> ([FilePath] -> IO Template) -> [FilePath] -> IO Template
forall b c a. (b -> c) -> (a -> b) -> a -> c
. (Template -> FilePath -> IO Template)
-> Template -> [FilePath] -> IO Template
forall (t :: * -> *) (m :: * -> *) b a.
(Foldable t, Monad m) =>
(b -> a -> m b) -> b -> t a -> m b
foldM Template -> FilePath -> IO Template
f (PName -> Map PName [Node] -> Template
Template PName
forall a. HasCallStack => a
undefined Map PName [Node]
forall k a. Map k a
Map.empty)
where
selectKey :: Template -> Template
selectKey Template
t = Template
t { templateActual :: PName
templateActual = PName
pname }
f :: Template -> FilePath -> IO Template
f (Template PName
_ Map PName [Node]
old) FilePath
fp = do
Template PName
_ Map PName [Node]
new <- FilePath -> IO Template
compileMustacheFile FilePath
fp
Template -> IO Template
forall (m :: * -> *) a. Monad m => a -> m a
return (PName -> Map PName [Node] -> Template
Template PName
forall a. HasCallStack => a
undefined (Map PName [Node] -> Map PName [Node] -> Map PName [Node]
forall k a. Ord k => Map k a -> Map k a -> Map k a
Map.union Map PName [Node]
new Map PName [Node]
old))
getMustacheFilesInDir
:: FilePath
-> IO [FilePath]
getMustacheFilesInDir :: FilePath -> IO [FilePath]
getMustacheFilesInDir FilePath
path =
FilePath -> IO [FilePath]
getDirectoryContents FilePath
path IO [FilePath] -> ([FilePath] -> IO [FilePath]) -> IO [FilePath]
forall (m :: * -> *) a b. Monad m => m a -> (a -> m b) -> m b
>>=
(FilePath -> IO Bool) -> [FilePath] -> IO [FilePath]
forall (m :: * -> *) a.
Applicative m =>
(a -> m Bool) -> [a] -> m [a]
filterM FilePath -> IO Bool
isMustacheFile ([FilePath] -> IO [FilePath])
-> ([FilePath] -> [FilePath]) -> [FilePath] -> IO [FilePath]
forall b c a. (b -> c) -> (a -> b) -> a -> c
. (FilePath -> FilePath) -> [FilePath] -> [FilePath]
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
fmap (FilePath -> FilePath -> FilePath
F.combine FilePath
path) IO [FilePath] -> ([FilePath] -> IO [FilePath]) -> IO [FilePath]
forall (m :: * -> *) a b. Monad m => m a -> (a -> m b) -> m b
>>=
(FilePath -> IO FilePath) -> [FilePath] -> IO [FilePath]
forall (t :: * -> *) (m :: * -> *) a b.
(Traversable t, Monad m) =>
(a -> m b) -> t a -> m (t b)
mapM FilePath -> IO FilePath
makeAbsolute'
compileMustacheFile
:: FilePath
-> IO Template
compileMustacheFile :: FilePath -> IO Template
compileMustacheFile FilePath
path =
FilePath -> IO Text
LT.readFile FilePath
path IO Text -> (Text -> IO Template) -> IO Template
forall (m :: * -> *) a b. Monad m => m a -> (a -> m b) -> m b
>>= Either ParseError Template -> IO Template
withException (Either ParseError Template -> IO Template)
-> (Text -> Either ParseError Template) -> Text -> IO Template
forall b c a. (b -> c) -> (a -> b) -> a -> c
. Text -> Either ParseError Template
compile
where
pname :: PName
pname = FilePath -> PName
pathToPName FilePath
path
compile :: Text -> Either ParseError Template
compile = ([Node] -> Template)
-> Either ParseError [Node] -> Either ParseError Template
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
fmap (PName -> Map PName [Node] -> Template
Template PName
pname (Map PName [Node] -> Template)
-> ([Node] -> Map PName [Node]) -> [Node] -> Template
forall b c a. (b -> c) -> (a -> b) -> a -> c
. PName -> [Node] -> Map PName [Node]
forall k a. k -> a -> Map k a
Map.singleton PName
pname) (Either ParseError [Node] -> Either ParseError Template)
-> (Text -> Either ParseError [Node])
-> Text
-> Either ParseError Template
forall b c a. (b -> c) -> (a -> b) -> a -> c
. FilePath -> Text -> Either ParseError [Node]
parseMustache FilePath
path
compileMustacheText
:: PName
-> Text
-> Either ParseError Template
compileMustacheText :: PName -> Text -> Either ParseError Template
compileMustacheText PName
pname Text
txt =
PName -> Map PName [Node] -> Template
Template PName
pname (Map PName [Node] -> Template)
-> ([Node] -> Map PName [Node]) -> [Node] -> Template
forall b c a. (b -> c) -> (a -> b) -> a -> c
. PName -> [Node] -> Map PName [Node]
forall k a. k -> a -> Map k a
Map.singleton PName
pname ([Node] -> Template)
-> Either ParseError [Node] -> Either ParseError Template
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> FilePath -> Text -> Either ParseError [Node]
parseMustache FilePath
"" Text
txt
isMustacheFile :: FilePath -> IO Bool
isMustacheFile :: FilePath -> IO Bool
isMustacheFile FilePath
path = do
Bool
exists <- FilePath -> IO Bool
doesFileExist FilePath
path
let rightExtension :: Bool
rightExtension = FilePath -> FilePath
F.takeExtension FilePath
path FilePath -> FilePath -> Bool
forall a. Eq a => a -> a -> Bool
== FilePath
".mustache"
Bool -> IO Bool
forall (m :: * -> *) a. Monad m => a -> m a
return (Bool
exists Bool -> Bool -> Bool
&& Bool
rightExtension)
pathToPName :: FilePath -> PName
pathToPName :: FilePath -> PName
pathToPName = Text -> PName
PName (Text -> PName) -> (FilePath -> Text) -> FilePath -> PName
forall b c a. (b -> c) -> (a -> b) -> a -> c
. FilePath -> Text
T.pack (FilePath -> Text) -> (FilePath -> FilePath) -> FilePath -> Text
forall b c a. (b -> c) -> (a -> b) -> a -> c
. FilePath -> FilePath
F.takeBaseName
withException
:: Either ParseError Template
-> IO Template
withException :: Either ParseError Template -> IO Template
withException = (ParseError -> IO Template)
-> (Template -> IO Template)
-> Either ParseError Template
-> IO Template
forall a c b. (a -> c) -> (b -> c) -> Either a b -> c
either (MustacheException -> IO Template
forall e a. Exception e => e -> IO a
throwIO (MustacheException -> IO Template)
-> (ParseError -> MustacheException) -> ParseError -> IO Template
forall b c a. (b -> c) -> (a -> b) -> a -> c
. ParseError -> MustacheException
MustacheParserException) Template -> IO Template
forall (m :: * -> *) a. Monad m => a -> m a
return
makeAbsolute' :: FilePath -> IO FilePath
makeAbsolute' :: FilePath -> IO FilePath
makeAbsolute' FilePath
path0 =
(FilePath -> FilePath) -> IO FilePath -> IO FilePath
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
fmap (FilePath -> FilePath -> FilePath
matchTrailingSeparator FilePath
path0 (FilePath -> FilePath)
-> (FilePath -> FilePath) -> FilePath -> FilePath
forall b c a. (b -> c) -> (a -> b) -> a -> c
. FilePath -> FilePath
F.normalise) (FilePath -> IO FilePath
prependCurrentDirectory FilePath
path0)
where
prependCurrentDirectory :: FilePath -> IO FilePath
prependCurrentDirectory :: FilePath -> IO FilePath
prependCurrentDirectory FilePath
path =
if FilePath -> Bool
F.isRelative FilePath
path
then (FilePath -> FilePath -> FilePath
F.</> FilePath
path) (FilePath -> FilePath) -> IO FilePath -> IO FilePath
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> IO FilePath
getCurrentDirectory
else FilePath -> IO FilePath
forall (m :: * -> *) a. Monad m => a -> m a
return FilePath
path
matchTrailingSeparator :: FilePath -> FilePath -> FilePath
matchTrailingSeparator :: FilePath -> FilePath -> FilePath
matchTrailingSeparator FilePath
path
| FilePath -> Bool
F.hasTrailingPathSeparator FilePath
path = FilePath -> FilePath
F.addTrailingPathSeparator
| Bool
otherwise = FilePath -> FilePath
F.dropTrailingPathSeparator