diff options
Diffstat (limited to 'src/Hakyll/Core/Compiler/Internal.hs')
| -rw-r--r-- | src/Hakyll/Core/Compiler/Internal.hs | 33 |
1 files changed, 29 insertions, 4 deletions
diff --git a/src/Hakyll/Core/Compiler/Internal.hs b/src/Hakyll/Core/Compiler/Internal.hs index 89227ef..981ddda 100644 --- a/src/Hakyll/Core/Compiler/Internal.hs +++ b/src/Hakyll/Core/Compiler/Internal.hs @@ -25,16 +25,18 @@ module Hakyll.Core.Compiler.Internal -------------------------------------------------------------------------------- -import Control.Applicative (Alternative (..), - Applicative (..)) -import Control.Exception (SomeException, handle) -import Data.Monoid (Monoid (..)) +import Control.Applicative (Alternative (..), + Applicative (..), (<$>)) +import Control.Exception (SomeException, handle) +import Data.Monoid (Monoid (..)) -------------------------------------------------------------------------------- import Hakyll.Core.Dependencies import Hakyll.Core.Identifier +import Hakyll.Core.Identifier.Pattern import Hakyll.Core.Logger +import Hakyll.Core.Metadata import Hakyll.Core.Provider import Hakyll.Core.Routes import Hakyll.Core.Store @@ -128,6 +130,12 @@ instance Applicative Compiler where -------------------------------------------------------------------------------- +instance MonadMetadata Compiler where + getMetadata = compilerGetMetadata + getMatches = compilerGetMatches + + +-------------------------------------------------------------------------------- runCompiler :: Compiler a -> CompilerRead -> IO (CompilerResult a) runCompiler compiler read' = handle handler $ unCompiler compiler read' where @@ -195,3 +203,20 @@ compilerTellDependencies ds = compilerTell mempty {compilerDependencies = ds} compilerTellCacheHits :: Int -> Compiler () compilerTellCacheHits ch = compilerTell mempty {compilerCacheHits = ch} {-# INLINE compilerTellCacheHits #-} + + +-------------------------------------------------------------------------------- +compilerGetMetadata :: Identifier -> Compiler Metadata +compilerGetMetadata identifier = do + provider <- compilerProvider <$> compilerAsk + compilerTellDependencies [IdentifierDependency identifier] + compilerUnsafeIO $ resourceMetadata provider identifier + + +-------------------------------------------------------------------------------- +compilerGetMatches :: Pattern -> Compiler [Identifier] +compilerGetMatches pattern = do + universe <- compilerUniverse <$> compilerAsk + let matching = filterMatches pattern universe + compilerTellDependencies [PatternDependency pattern matching] + return matching |