MessageHeadersIter.hs

{- |
Copyright  : Will Thompson, Iñaki García Etxebarria and Jonas Platte
License    : LGPL-2.1
Maintainer : Iñaki García Etxebarria (garetxe@gmail.com)

An opaque type used to iterate over a %SoupMessageHeaders
structure.

After intializing the iterator with
soup_message_headers_iter_init(), call
soup_message_headers_iter_next() to fetch data from it.

You may not modify the headers while iterating over them.
-}

module GI.Soup.Structs.MessageHeadersIter
    ( 

-- * Exported types
    MessageHeadersIter(..)                  ,
    noMessageHeadersIter                    ,


 -- * Methods
-- ** messageHeadersIterNext
    messageHeadersIterNext                  ,




    ) where

import Prelude ()
import Data.GI.Base.ShortPrelude

import qualified Data.Text as T
import qualified Data.ByteString.Char8 as B
import qualified Data.Map as Map

import GI.Soup.Types
import GI.Soup.Callbacks

newtype MessageHeadersIter = MessageHeadersIter (ForeignPtr MessageHeadersIter)
noMessageHeadersIter :: Maybe MessageHeadersIter
noMessageHeadersIter = Nothing

-- method MessageHeadersIter::next
-- method type : OrdinaryMethod
-- Args : [Arg {argName = "_obj", argType = TInterface "Soup" "MessageHeadersIter", direction = DirectionIn, mayBeNull = False, argScope = ScopeTypeInvalid, argClosure = -1, argDestroy = -1, transfer = TransferNothing},Arg {argName = "name", argType = TBasicType TUTF8, direction = DirectionOut, mayBeNull = False, argScope = ScopeTypeInvalid, argClosure = -1, argDestroy = -1, transfer = TransferNothing},Arg {argName = "value", argType = TBasicType TUTF8, direction = DirectionOut, mayBeNull = False, argScope = ScopeTypeInvalid, argClosure = -1, argDestroy = -1, transfer = TransferNothing}]
-- Lengths : []
-- hInArgs : [Arg {argName = "_obj", argType = TInterface "Soup" "MessageHeadersIter", direction = DirectionIn, mayBeNull = False, argScope = ScopeTypeInvalid, argClosure = -1, argDestroy = -1, transfer = TransferNothing}]
-- returnType : TBasicType TBoolean
-- throws : False
-- Skip return : False

foreign import ccall "soup_message_headers_iter_next" soup_message_headers_iter_next :: 
    Ptr MessageHeadersIter ->               -- _obj : TInterface "Soup" "MessageHeadersIter"
    Ptr CString ->                          -- name : TBasicType TUTF8
    Ptr CString ->                          -- value : TBasicType TUTF8
    IO CInt


messageHeadersIterNext ::
    (MonadIO m) =>
    MessageHeadersIter ->                   -- _obj
    m (Bool,T.Text,T.Text)
messageHeadersIterNext _obj = liftIO $ do
    let _obj' = unsafeManagedPtrGetPtr _obj
    name <- allocMem :: IO (Ptr CString)
    value <- allocMem :: IO (Ptr CString)
    result <- soup_message_headers_iter_next _obj' name value
    let result' = (/= 0) result
    name' <- peek name
    name'' <- cstringToText name'
    value' <- peek value
    value'' <- cstringToText value'
    touchManagedPtr _obj
    freeMem name
    freeMem value
    return (result', name'', value'')