X-Git-Url: http://git.cielonegro.org/gitweb.cgi?p=Lucu.git;a=blobdiff_plain;f=Network%2FHTTP%2FLucu%2FMIMEType%2FGuess.hs;h=3917cf25dac133c9487454090fbb5ac63b30dba5;hp=3e3df1631b7af87c29012159681bc2474df5c10f;hb=ea2b7838f1b3d9d4923a220a601be2e04cc559d7;hpb=17020e406a20cbef8ec17594868db559c4c5a5db diff --git a/Network/HTTP/Lucu/MIMEType/Guess.hs b/Network/HTTP/Lucu/MIMEType/Guess.hs index 3e3df16..3917cf2 100644 --- a/Network/HTTP/Lucu/MIMEType/Guess.hs +++ b/Network/HTTP/Lucu/MIMEType/Guess.hs @@ -1,6 +1,5 @@ {-# LANGUAGE - BangPatterns - , UnicodeSyntax + UnicodeSyntax #-} -- |MIME Type guessing by a file extension. This is a poor man's way -- of guessing MIME Types. It is simple and fast. @@ -25,8 +24,10 @@ import Data.Maybe import Data.Text (Text) import qualified Data.Text as T import Data.Text.Encoding -import Language.Haskell.Pretty -import Language.Haskell.Syntax +import Language.Haskell.Exts.Build +import Language.Haskell.Exts.Extension +import Language.Haskell.Exts.Pretty +import Language.Haskell.Exts.Syntax import Network.HTTP.Lucu.MIMEType import Prelude.Unicode import System.FilePath @@ -36,7 +37,7 @@ type ExtMap = Map Text MIMEType -- |Guess the MIME Type of file. guessTypeByFileName ∷ ExtMap → FilePath → Maybe MIMEType -guessTypeByFileName !extMap !fpath +guessTypeByFileName extMap fpath = let ext = T.pack $ takeExtension fpath in M.lookup ext extMap @@ -99,45 +100,39 @@ compile = M.fromList ∘ concat ∘ map tr -- surely generated using this function. serializeExtMap ∷ ExtMap → String → String → String serializeExtMap extMap moduleName variableName - = let hsModule = HsModule (⊥) modName (Just exports) imports decls - modName = Module moduleName - exports = [HsEVar (UnQual (HsIdent variableName))] - imports = [ HsImportDecl (⊥) (Module "Network.HTTP.Lucu.MIMEType") False Nothing Nothing - , HsImportDecl (⊥) (Module "Network.HTTP.Lucu.MIMEType.Guess") False Nothing Nothing - , HsImportDecl (⊥) (Module "Data.Ascii") True (Just (Module "A")) Nothing - , HsImportDecl (⊥) (Module "Data.Map") True (Just (Module "M")) Nothing - , HsImportDecl (⊥) (Module "Data.Text") True (Just (Module "T")) Nothing - ] - decls = [ HsTypeSig (⊥) [HsIdent variableName] - (HsQualType [] - (HsTyCon (UnQual (HsIdent "ExtMap")))) - , HsFunBind [HsMatch (⊥) (HsIdent variableName) - [] (HsUnGuardedRhs extMapExp) []] - ] - extMapExp = HsApp (HsVar (Qual (Module "M") (HsIdent "fromList"))) (HsList records) - comment = "{- !!! WARNING !!!\n" - ⧺ " This file is automatically generated.\n" - ⧺ " DO NOT EDIT BY HAND OR YOU WILL REGRET -}\n\n" + = let hsModule = Module (⊥) (ModuleName moduleName) modPragma + Nothing (Just exports) imports decls + modPragma = [ LanguagePragma (⊥) [ name (show OverloadedStrings) ] ] + exports = [ EVar (UnQual (name variableName)) ] + imports = [ ImportDecl (⊥) (ModuleName "Network.HTTP.Lucu.MIMEType") + False False Nothing Nothing Nothing + , ImportDecl (⊥) (ModuleName "Network.HTTP.Lucu.MIMEType.Guess") + False False Nothing Nothing Nothing + , ImportDecl (⊥) (ModuleName "Data.Ascii") + False False Nothing Nothing (Just (False, [])) + , ImportDecl (⊥) (ModuleName "Data.Map") + True False Nothing (Just (ModuleName "M")) Nothing + ] + decls = [ TypeSig (⊥) [name variableName] + (TyCon (UnQual (name "ExtMap"))) + , nameBind (⊥) (name variableName) extMapExp + ] + comment = concat [ "{- !!! WARNING !!!\n" + , " This file is automatically generated.\n" + , " DO NOT EDIT BY HAND OR YOU WILL REGRET -}\n\n" + ] + extMapExp = qvar (ModuleName "M") (name "fromList") `app` listE records in comment ⧺ prettyPrint hsModule ⧺ "\n" where - records ∷ [HsExp] + records ∷ [Exp] records = map record $ M.assocs extMap - record ∷ (Text, MIMEType) → HsExp + record ∷ (Text, MIMEType) → Exp record (ext, mime) - = HsTuple - [ HsApp (HsVar (Qual (Module "T") (HsIdent "pack"))) - (HsLit (HsString (T.unpack ext))) - , mimeToExp mime - ] - - mimeToExp ∷ MIMEType → HsExp - mimeToExp mt - = HsApp (HsVar (UnQual (HsIdent "parseMIMEType"))) - (HsParen - (HsApp (HsVar (Qual (Module "A") (HsIdent "unsafeFromString"))) - (HsLit (HsString $ mimeToString mt)))) + = tuple [ strE (T.unpack ext) + , metaFunction "parseMIMEType" [strE $ mimeToString mime] + ] mimeToString ∷ MIMEType → String mimeToString = A.toString ∘ A.fromAsciiBuilder ∘ printMIMEType