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<pre><a name="line-1"></a><span class='hs-comment'>{-# LANGUAGE CPP, RankNTypes #-}</span>
<a name="line-2"></a><span class='hs-comment'>{-# LANGUAGE DeriveDataTypeable #-}</span>
<a name="line-3"></a><span class='hs-comment'>{-# LANGUAGE ScopedTypeVariables #-}</span>
<a name="line-4"></a><span class='hs-comment'>-- | Functions for interacting with bytes.</span>
<a name="line-5"></a><span class='hs-comment'>--</span>
<a name="line-6"></a><span class='hs-comment'>-- For many purposes, it's recommended to use the conduit-combinators library,</span>
<a name="line-7"></a><span class='hs-comment'>-- which provides a more complete set of functions.</span>
<a name="line-8"></a><span class='hs-keyword'>module</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Conduit</span><span class='hs-varop'>.</span><span class='hs-conid'>Binary</span>
<a name="line-9"></a> <span class='hs-layout'>(</span> <span class='hs-comment'>-- * Files and @Handle@s</span>
<a name="line-10"></a>
<a name="line-11"></a> <span class='hs-comment'>-- | Note that most of these functions live in the @MonadResource@ monad</span>
<a name="line-12"></a> <span class='hs-comment'>-- to ensure resource finalization even in the presence of exceptions. In</span>
<a name="line-13"></a> <span class='hs-comment'>-- order to run such code, you will need to use @runResourceT@.</span>
<a name="line-14"></a>
<a name="line-15"></a> <span class='hs-comment'>-- ** Sources</span>
<a name="line-16"></a> <span class='hs-varid'>sourceFile</span>
<a name="line-17"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>sourceHandle</span>
<a name="line-18"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>sourceHandleUnsafe</span>
<a name="line-19"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>sourceIOHandle</span>
<a name="line-20"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>sourceFileRange</span>
<a name="line-21"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>sourceHandleRange</span>
<a name="line-22"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>sourceHandleRangeWithBuffer</span>
<a name="line-23"></a> <span class='hs-comment'>-- ** Sinks</span>
<a name="line-24"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>sinkFile</span>
<a name="line-25"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>sinkHandle</span>
<a name="line-26"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>sinkIOHandle</span>
<a name="line-27"></a> <span class='hs-comment'>-- ** Conduits</span>
<a name="line-28"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>conduitFile</span>
<a name="line-29"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>conduitHandle</span>
<a name="line-30"></a> <span class='hs-comment'>-- * Utilities</span>
<a name="line-31"></a> <span class='hs-comment'>-- ** Sources</span>
<a name="line-32"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>sourceLbs</span>
<a name="line-33"></a> <span class='hs-comment'>-- ** Sinks</span>
<a name="line-34"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>head</span>
<a name="line-35"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>dropWhile</span>
<a name="line-36"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>take</span>
<a name="line-37"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>drop</span>
<a name="line-38"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>sinkCacheLength</span>
<a name="line-39"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>sinkLbs</span>
<a name="line-40"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>mapM_</span>
<a name="line-41"></a> <span class='hs-comment'>-- *** Storable</span>
<a name="line-42"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>sinkStorable</span>
<a name="line-43"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>sinkStorableEx</span>
<a name="line-44"></a> <span class='hs-comment'>-- ** Conduits</span>
<a name="line-45"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>isolate</span>
<a name="line-46"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>takeWhile</span>
<a name="line-47"></a> <span class='hs-layout'>,</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Conduit</span><span class='hs-varop'>.</span><span class='hs-conid'>Binary</span><span class='hs-varop'>.</span><span class='hs-varid'>lines</span>
<a name="line-48"></a> <span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-49"></a>
<a name="line-50"></a><span class='hs-keyword'>import</span> <span class='hs-keyword'>qualified</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Streaming</span><span class='hs-varop'>.</span><span class='hs-conid'>FileRead</span> <span class='hs-keyword'>as</span> <span class='hs-conid'>FR</span>
<a name="line-51"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Prelude</span> <span class='hs-varid'>hiding</span> <span class='hs-layout'>(</span><span class='hs-varid'>head</span><span class='hs-layout'>,</span> <span class='hs-varid'>take</span><span class='hs-layout'>,</span> <span class='hs-varid'>drop</span><span class='hs-layout'>,</span> <span class='hs-varid'>takeWhile</span><span class='hs-layout'>,</span> <span class='hs-varid'>dropWhile</span><span class='hs-layout'>,</span> <span class='hs-varid'>mapM_</span><span class='hs-layout'>)</span>
<a name="line-52"></a><span class='hs-keyword'>import</span> <span class='hs-keyword'>qualified</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-keyword'>as</span> <span class='hs-conid'>S</span>
<a name="line-53"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span><span class='hs-varop'>.</span><span class='hs-conid'>Unsafe</span> <span class='hs-layout'>(</span><span class='hs-varid'>unsafeUseAsCString</span><span class='hs-layout'>)</span>
<a name="line-54"></a><span class='hs-keyword'>import</span> <span class='hs-keyword'>qualified</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span><span class='hs-varop'>.</span><span class='hs-conid'>Lazy</span> <span class='hs-keyword'>as</span> <span class='hs-conid'>L</span>
<a name="line-55"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Conduit</span>
<a name="line-56"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Conduit</span><span class='hs-varop'>.</span><span class='hs-conid'>List</span> <span class='hs-layout'>(</span><span class='hs-varid'>sourceList</span><span class='hs-layout'>,</span> <span class='hs-varid'>consume</span><span class='hs-layout'>)</span>
<a name="line-57"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Control</span><span class='hs-varop'>.</span><span class='hs-conid'>Exception</span> <span class='hs-layout'>(</span><span class='hs-varid'>assert</span><span class='hs-layout'>,</span> <span class='hs-varid'>finally</span><span class='hs-layout'>)</span>
<a name="line-58"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Control</span><span class='hs-varop'>.</span><span class='hs-conid'>Monad</span> <span class='hs-layout'>(</span><span class='hs-varid'>unless</span><span class='hs-layout'>,</span> <span class='hs-varid'>when</span><span class='hs-layout'>)</span>
<a name="line-59"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Control</span><span class='hs-varop'>.</span><span class='hs-conid'>Monad</span><span class='hs-varop'>.</span><span class='hs-conid'>IO</span><span class='hs-varop'>.</span><span class='hs-conid'>Class</span> <span class='hs-layout'>(</span><span class='hs-varid'>liftIO</span><span class='hs-layout'>,</span> <span class='hs-conid'>MonadIO</span><span class='hs-layout'>)</span>
<a name="line-60"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Control</span><span class='hs-varop'>.</span><span class='hs-conid'>Monad</span><span class='hs-varop'>.</span><span class='hs-conid'>Trans</span><span class='hs-varop'>.</span><span class='hs-conid'>Resource</span> <span class='hs-layout'>(</span><span class='hs-varid'>allocate</span><span class='hs-layout'>,</span> <span class='hs-varid'>release</span><span class='hs-layout'>)</span>
<a name="line-61"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Control</span><span class='hs-varop'>.</span><span class='hs-conid'>Monad</span><span class='hs-varop'>.</span><span class='hs-conid'>Trans</span><span class='hs-varop'>.</span><span class='hs-conid'>Class</span> <span class='hs-layout'>(</span><span class='hs-varid'>lift</span><span class='hs-layout'>)</span>
<a name="line-62"></a><span class='hs-keyword'>import</span> <span class='hs-keyword'>qualified</span> <span class='hs-conid'>System</span><span class='hs-varop'>.</span><span class='hs-conid'>IO</span> <span class='hs-keyword'>as</span> <span class='hs-conid'>IO</span>
<a name="line-63"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Word</span> <span class='hs-layout'>(</span><span class='hs-conid'>Word8</span><span class='hs-layout'>,</span> <span class='hs-conid'>Word64</span><span class='hs-layout'>)</span>
<a name="line-64"></a><span class='hs-cpp'>#if (__GLASGOW_HASKELL__ < 710)</span>
<a name="line-65"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Control</span><span class='hs-varop'>.</span><span class='hs-conid'>Applicative</span> <span class='hs-layout'>(</span><span class='hs-layout'>(</span><span class='hs-varop'><$></span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-66"></a><span class='hs-cpp'>#endif</span>
<a name="line-67"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>System</span><span class='hs-varop'>.</span><span class='hs-conid'>Directory</span> <span class='hs-layout'>(</span><span class='hs-varid'>getTemporaryDirectory</span><span class='hs-layout'>,</span> <span class='hs-varid'>removeFile</span><span class='hs-layout'>)</span>
<a name="line-68"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span><span class='hs-varop'>.</span><span class='hs-conid'>Lazy</span><span class='hs-varop'>.</span><span class='hs-conid'>Internal</span> <span class='hs-layout'>(</span><span class='hs-varid'>defaultChunkSize</span><span class='hs-layout'>)</span>
<a name="line-69"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span><span class='hs-varop'>.</span><span class='hs-conid'>Internal</span> <span class='hs-layout'>(</span><span class='hs-conid'>ByteString</span> <span class='hs-layout'>(</span><span class='hs-conid'>PS</span><span class='hs-layout'>)</span><span class='hs-layout'>,</span> <span class='hs-varid'>inlinePerformIO</span><span class='hs-layout'>)</span>
<a name="line-70"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Foreign</span><span class='hs-varop'>.</span><span class='hs-conid'>ForeignPtr</span><span class='hs-varop'>.</span><span class='hs-conid'>Unsafe</span> <span class='hs-layout'>(</span><span class='hs-varid'>unsafeForeignPtrToPtr</span><span class='hs-layout'>)</span>
<a name="line-71"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Foreign</span><span class='hs-varop'>.</span><span class='hs-conid'>ForeignPtr</span> <span class='hs-layout'>(</span><span class='hs-varid'>touchForeignPtr</span><span class='hs-layout'>)</span>
<a name="line-72"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Foreign</span><span class='hs-varop'>.</span><span class='hs-conid'>Ptr</span> <span class='hs-layout'>(</span><span class='hs-varid'>plusPtr</span><span class='hs-layout'>,</span> <span class='hs-varid'>castPtr</span><span class='hs-layout'>)</span>
<a name="line-73"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Foreign</span><span class='hs-varop'>.</span><span class='hs-conid'>Storable</span> <span class='hs-layout'>(</span><span class='hs-conid'>Storable</span><span class='hs-layout'>,</span> <span class='hs-varid'>peek</span><span class='hs-layout'>,</span> <span class='hs-varid'>sizeOf</span><span class='hs-layout'>)</span>
<a name="line-74"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>GHC</span><span class='hs-varop'>.</span><span class='hs-conid'>ForeignPtr</span> <span class='hs-layout'>(</span><span class='hs-varid'>mallocPlainForeignPtrBytes</span><span class='hs-layout'>)</span>
<a name="line-75"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Control</span><span class='hs-varop'>.</span><span class='hs-conid'>Monad</span><span class='hs-varop'>.</span><span class='hs-conid'>Trans</span><span class='hs-varop'>.</span><span class='hs-conid'>Resource</span> <span class='hs-layout'>(</span><span class='hs-conid'>MonadResource</span><span class='hs-layout'>)</span>
<a name="line-76"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Control</span><span class='hs-varop'>.</span><span class='hs-conid'>Monad</span><span class='hs-varop'>.</span><span class='hs-conid'>Catch</span> <span class='hs-layout'>(</span><span class='hs-conid'>MonadThrow</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-77"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Control</span><span class='hs-varop'>.</span><span class='hs-conid'>Exception</span> <span class='hs-layout'>(</span><span class='hs-conid'>Exception</span><span class='hs-layout'>)</span>
<a name="line-78"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Typeable</span> <span class='hs-layout'>(</span><span class='hs-conid'>Typeable</span><span class='hs-layout'>)</span>
<a name="line-79"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Foreign</span><span class='hs-varop'>.</span><span class='hs-conid'>Ptr</span> <span class='hs-layout'>(</span><span class='hs-conid'>Ptr</span><span class='hs-layout'>)</span>
<a name="line-80"></a><span class='hs-cpp'>#ifndef ALLOW_UNALIGNED_ACCESS</span>
<a name="line-81"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Foreign</span><span class='hs-varop'>.</span><span class='hs-conid'>Marshal</span> <span class='hs-layout'>(</span><span class='hs-varid'>alloca</span><span class='hs-layout'>,</span> <span class='hs-varid'>copyBytes</span><span class='hs-layout'>)</span>
<a name="line-82"></a><span class='hs-cpp'>#endif</span>
<a name="line-83"></a>
<a name="line-84"></a><a name="sourceFile"></a><span class='hs-comment'>-- | Stream the contents of a file as binary data.</span>
<a name="line-85"></a><span class='hs-comment'>--</span>
<a name="line-86"></a><span class='hs-comment'>-- Since 0.3.0</span>
<a name="line-87"></a><span class='hs-definition'>sourceFile</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>MonadResource</span> <span class='hs-varid'>m</span>
<a name="line-88"></a> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>FilePath</span>
<a name="line-89"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Producer</span> <span class='hs-varid'>m</span> <span class='hs-conid'>S</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span>
<a name="line-90"></a><span class='hs-definition'>sourceFile</span> <span class='hs-varid'>fp</span> <span class='hs-keyglyph'>=</span>
<a name="line-91"></a> <span class='hs-varid'>bracketP</span>
<a name="line-92"></a> <span class='hs-layout'>(</span><span class='hs-conid'>FR</span><span class='hs-varop'>.</span><span class='hs-varid'>openFile</span> <span class='hs-varid'>fp</span><span class='hs-layout'>)</span>
<a name="line-93"></a> <span class='hs-conid'>FR</span><span class='hs-varop'>.</span><span class='hs-varid'>closeFile</span>
<a name="line-94"></a> <span class='hs-varid'>loop</span>
<a name="line-95"></a> <span class='hs-keyword'>where</span>
<a name="line-96"></a> <span class='hs-varid'>loop</span> <span class='hs-varid'>h</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-97"></a> <span class='hs-varid'>bs</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>liftIO</span> <span class='hs-varop'>$</span> <span class='hs-conid'>FR</span><span class='hs-varop'>.</span><span class='hs-varid'>readChunk</span> <span class='hs-varid'>h</span>
<a name="line-98"></a> <span class='hs-varid'>unless</span> <span class='hs-layout'>(</span><span class='hs-conid'>S</span><span class='hs-varop'>.</span><span class='hs-varid'>null</span> <span class='hs-varid'>bs</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>do</span>
<a name="line-99"></a> <span class='hs-varid'>yield</span> <span class='hs-varid'>bs</span>
<a name="line-100"></a> <span class='hs-varid'>loop</span> <span class='hs-varid'>h</span>
<a name="line-101"></a>
<a name="line-102"></a><a name="sourceHandle"></a><span class='hs-comment'>-- | Stream the contents of a 'IO.Handle' as binary data. Note that this</span>
<a name="line-103"></a><span class='hs-comment'>-- function will /not/ automatically close the @Handle@ when processing</span>
<a name="line-104"></a><span class='hs-comment'>-- completes, since it did not acquire the @Handle@ in the first place.</span>
<a name="line-105"></a><span class='hs-comment'>--</span>
<a name="line-106"></a><span class='hs-comment'>-- Since 0.3.0</span>
<a name="line-107"></a><span class='hs-definition'>sourceHandle</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>MonadIO</span> <span class='hs-varid'>m</span>
<a name="line-108"></a> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>IO</span><span class='hs-varop'>.</span><span class='hs-conid'>Handle</span>
<a name="line-109"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Producer</span> <span class='hs-varid'>m</span> <span class='hs-conid'>S</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span>
<a name="line-110"></a><span class='hs-definition'>sourceHandle</span> <span class='hs-varid'>h</span> <span class='hs-keyglyph'>=</span>
<a name="line-111"></a> <span class='hs-varid'>loop</span>
<a name="line-112"></a> <span class='hs-keyword'>where</span>
<a name="line-113"></a> <span class='hs-varid'>loop</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-114"></a> <span class='hs-varid'>bs</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>liftIO</span> <span class='hs-layout'>(</span><span class='hs-conid'>S</span><span class='hs-varop'>.</span><span class='hs-varid'>hGetSome</span> <span class='hs-varid'>h</span> <span class='hs-varid'>defaultChunkSize</span><span class='hs-layout'>)</span>
<a name="line-115"></a> <span class='hs-keyword'>if</span> <span class='hs-conid'>S</span><span class='hs-varop'>.</span><span class='hs-varid'>null</span> <span class='hs-varid'>bs</span>
<a name="line-116"></a> <span class='hs-keyword'>then</span> <span class='hs-varid'>return</span> <span class='hs-conid'>()</span>
<a name="line-117"></a> <span class='hs-keyword'>else</span> <span class='hs-varid'>yield</span> <span class='hs-varid'>bs</span> <span class='hs-varop'>>></span> <span class='hs-varid'>loop</span>
<a name="line-118"></a>
<a name="line-119"></a><a name="sourceHandleUnsafe"></a><span class='hs-comment'>-- | Same as @sourceHandle@, but instead of allocating a new buffer for each</span>
<a name="line-120"></a><span class='hs-comment'>-- incoming chunk of data, reuses the same buffer. Therefore, the @ByteString@s</span>
<a name="line-121"></a><span class='hs-comment'>-- yielded by this function are not referentially transparent between two</span>
<a name="line-122"></a><span class='hs-comment'>-- different @yield@s.</span>
<a name="line-123"></a><span class='hs-comment'>--</span>
<a name="line-124"></a><span class='hs-comment'>-- This function will be slightly more efficient than @sourceHandle@ by</span>
<a name="line-125"></a><span class='hs-comment'>-- avoiding allocations and reducing garbage collections, but should only be</span>
<a name="line-126"></a><span class='hs-comment'>-- used if you can guarantee that you do not reuse a @ByteString@ (or any slice</span>
<a name="line-127"></a><span class='hs-comment'>-- thereof) between two calls to @await@.</span>
<a name="line-128"></a><span class='hs-comment'>--</span>
<a name="line-129"></a><span class='hs-comment'>-- Since 1.0.12</span>
<a name="line-130"></a><span class='hs-definition'>sourceHandleUnsafe</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>MonadIO</span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>IO</span><span class='hs-varop'>.</span><span class='hs-conid'>Handle</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Source</span> <span class='hs-varid'>m</span> <span class='hs-conid'>ByteString</span>
<a name="line-131"></a><span class='hs-definition'>sourceHandleUnsafe</span> <span class='hs-varid'>handle</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-132"></a> <span class='hs-varid'>fptr</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>liftIO</span> <span class='hs-varop'>$</span> <span class='hs-varid'>mallocPlainForeignPtrBytes</span> <span class='hs-varid'>defaultChunkSize</span>
<a name="line-133"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>ptr</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>unsafeForeignPtrToPtr</span> <span class='hs-varid'>fptr</span>
<a name="line-134"></a> <span class='hs-varid'>loop</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-135"></a> <span class='hs-varid'>count</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>liftIO</span> <span class='hs-varop'>$</span> <span class='hs-conid'>IO</span><span class='hs-varop'>.</span><span class='hs-varid'>hGetBuf</span> <span class='hs-varid'>handle</span> <span class='hs-varid'>ptr</span> <span class='hs-varid'>defaultChunkSize</span>
<a name="line-136"></a> <span class='hs-varid'>when</span> <span class='hs-layout'>(</span><span class='hs-varid'>count</span> <span class='hs-varop'>></span> <span class='hs-num'>0</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>do</span>
<a name="line-137"></a> <span class='hs-varid'>yield</span> <span class='hs-layout'>(</span><span class='hs-conid'>PS</span> <span class='hs-varid'>fptr</span> <span class='hs-num'>0</span> <span class='hs-varid'>count</span><span class='hs-layout'>)</span>
<a name="line-138"></a> <span class='hs-varid'>loop</span>
<a name="line-139"></a>
<a name="line-140"></a> <span class='hs-varid'>loop</span>
<a name="line-141"></a>
<a name="line-142"></a> <span class='hs-varid'>liftIO</span> <span class='hs-varop'>$</span> <span class='hs-varid'>touchForeignPtr</span> <span class='hs-varid'>fptr</span>
<a name="line-143"></a>
<a name="line-144"></a><a name="sourceIOHandle"></a><span class='hs-comment'>-- | An alternative to 'sourceHandle'.</span>
<a name="line-145"></a><span class='hs-comment'>-- Instead of taking a pre-opened 'IO.Handle', it takes an action that opens</span>
<a name="line-146"></a><span class='hs-comment'>-- a 'IO.Handle' (in read mode), so that it can open it only when needed</span>
<a name="line-147"></a><span class='hs-comment'>-- and close it as soon as possible.</span>
<a name="line-148"></a><span class='hs-comment'>--</span>
<a name="line-149"></a><span class='hs-comment'>-- Since 0.3.0</span>
<a name="line-150"></a><span class='hs-definition'>sourceIOHandle</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>MonadResource</span> <span class='hs-varid'>m</span>
<a name="line-151"></a> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>IO</span><span class='hs-varop'>.</span><span class='hs-conid'>Handle</span>
<a name="line-152"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Producer</span> <span class='hs-varid'>m</span> <span class='hs-conid'>S</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span>
<a name="line-153"></a><span class='hs-definition'>sourceIOHandle</span> <span class='hs-varid'>alloc</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>bracketP</span> <span class='hs-varid'>alloc</span> <span class='hs-conid'>IO</span><span class='hs-varop'>.</span><span class='hs-varid'>hClose</span> <span class='hs-varid'>sourceHandle</span>
<a name="line-154"></a>
<a name="line-155"></a><a name="sinkHandle"></a><span class='hs-comment'>-- | Stream all incoming data to the given 'IO.Handle'. Note that this function</span>
<a name="line-156"></a><span class='hs-comment'>-- will /not/ automatically close the @Handle@ when processing completes.</span>
<a name="line-157"></a><span class='hs-comment'>--</span>
<a name="line-158"></a><span class='hs-comment'>-- Since 0.3.0</span>
<a name="line-159"></a><span class='hs-definition'>sinkHandle</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>MonadIO</span> <span class='hs-varid'>m</span>
<a name="line-160"></a> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>IO</span><span class='hs-varop'>.</span><span class='hs-conid'>Handle</span>
<a name="line-161"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Consumer</span> <span class='hs-conid'>S</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-conid'>()</span>
<a name="line-162"></a><span class='hs-definition'>sinkHandle</span> <span class='hs-varid'>h</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>awaitForever</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>bs</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>liftIO</span> <span class='hs-varop'>$</span> <span class='hs-keyword'>do</span>
<a name="line-163"></a> <span class='hs-conid'>S</span><span class='hs-varop'>.</span><span class='hs-varid'>hPut</span> <span class='hs-varid'>h</span> <span class='hs-varid'>bs</span>
<a name="line-164"></a> <span class='hs-conid'>IO</span><span class='hs-varop'>.</span><span class='hs-varid'>hFlush</span> <span class='hs-varid'>h</span>
<a name="line-165"></a>
<a name="line-166"></a><a name="sinkIOHandle"></a><span class='hs-comment'>-- | An alternative to 'sinkHandle'.</span>
<a name="line-167"></a><span class='hs-comment'>-- Instead of taking a pre-opened 'IO.Handle', it takes an action that opens</span>
<a name="line-168"></a><span class='hs-comment'>-- a 'IO.Handle' (in write mode), so that it can open it only when needed</span>
<a name="line-169"></a><span class='hs-comment'>-- and close it as soon as possible.</span>
<a name="line-170"></a><span class='hs-comment'>--</span>
<a name="line-171"></a><span class='hs-comment'>-- Since 0.3.0</span>
<a name="line-172"></a><span class='hs-definition'>sinkIOHandle</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>MonadResource</span> <span class='hs-varid'>m</span>
<a name="line-173"></a> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>IO</span> <span class='hs-conid'>IO</span><span class='hs-varop'>.</span><span class='hs-conid'>Handle</span>
<a name="line-174"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Consumer</span> <span class='hs-conid'>S</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-conid'>()</span>
<a name="line-175"></a><span class='hs-definition'>sinkIOHandle</span> <span class='hs-varid'>alloc</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>bracketP</span> <span class='hs-varid'>alloc</span> <span class='hs-conid'>IO</span><span class='hs-varop'>.</span><span class='hs-varid'>hClose</span> <span class='hs-varid'>sinkHandle</span>
<a name="line-176"></a>
<a name="line-177"></a><a name="sourceFileRange"></a><span class='hs-comment'>-- | Stream the contents of a file as binary data, starting from a certain</span>
<a name="line-178"></a><span class='hs-comment'>-- offset and only consuming up to a certain number of bytes.</span>
<a name="line-179"></a><span class='hs-comment'>--</span>
<a name="line-180"></a><span class='hs-comment'>-- Since 0.3.0</span>
<a name="line-181"></a><span class='hs-definition'>sourceFileRange</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>MonadResource</span> <span class='hs-varid'>m</span>
<a name="line-182"></a> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>FilePath</span>
<a name="line-183"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Maybe</span> <span class='hs-conid'>Integer</span> <span class='hs-comment'>-- ^ Offset</span>
<a name="line-184"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Maybe</span> <span class='hs-conid'>Integer</span> <span class='hs-comment'>-- ^ Maximum count</span>
<a name="line-185"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Producer</span> <span class='hs-varid'>m</span> <span class='hs-conid'>S</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span>
<a name="line-186"></a><span class='hs-definition'>sourceFileRange</span> <span class='hs-varid'>fp</span> <span class='hs-varid'>offset</span> <span class='hs-varid'>count</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>bracketP</span>
<a name="line-187"></a> <span class='hs-layout'>(</span><span class='hs-conid'>IO</span><span class='hs-varop'>.</span><span class='hs-varid'>openBinaryFile</span> <span class='hs-varid'>fp</span> <span class='hs-conid'>IO</span><span class='hs-varop'>.</span><span class='hs-conid'>ReadMode</span><span class='hs-layout'>)</span>
<a name="line-188"></a> <span class='hs-conid'>IO</span><span class='hs-varop'>.</span><span class='hs-varid'>hClose</span>
<a name="line-189"></a> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-varid'>h</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>sourceHandleRange</span> <span class='hs-varid'>h</span> <span class='hs-varid'>offset</span> <span class='hs-varid'>count</span><span class='hs-layout'>)</span>
<a name="line-190"></a>
<a name="line-191"></a><a name="sourceHandleRange"></a><span class='hs-comment'>-- | Stream the contents of a handle as binary data, starting from a certain</span>
<a name="line-192"></a><span class='hs-comment'>-- offset and only consuming up to a certain number of bytes.</span>
<a name="line-193"></a><span class='hs-comment'>--</span>
<a name="line-194"></a><span class='hs-comment'>-- Since 1.0.8</span>
<a name="line-195"></a><span class='hs-definition'>sourceHandleRange</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>MonadIO</span> <span class='hs-varid'>m</span>
<a name="line-196"></a> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>IO</span><span class='hs-varop'>.</span><span class='hs-conid'>Handle</span>
<a name="line-197"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Maybe</span> <span class='hs-conid'>Integer</span> <span class='hs-comment'>-- ^ Offset</span>
<a name="line-198"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Maybe</span> <span class='hs-conid'>Integer</span> <span class='hs-comment'>-- ^ Maximum count</span>
<a name="line-199"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Producer</span> <span class='hs-varid'>m</span> <span class='hs-conid'>S</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span>
<a name="line-200"></a><span class='hs-definition'>sourceHandleRange</span> <span class='hs-varid'>handle</span> <span class='hs-varid'>offset</span> <span class='hs-varid'>count</span> <span class='hs-keyglyph'>=</span>
<a name="line-201"></a> <span class='hs-varid'>sourceHandleRangeWithBuffer</span> <span class='hs-varid'>handle</span> <span class='hs-varid'>offset</span> <span class='hs-varid'>count</span> <span class='hs-varid'>defaultChunkSize</span>
<a name="line-202"></a>
<a name="line-203"></a><a name="sourceHandleRangeWithBuffer"></a><span class='hs-comment'>-- | Stream the contents of a handle as binary data, starting from a certain</span>
<a name="line-204"></a><span class='hs-comment'>-- offset and only consuming up to a certain number of bytes. This function</span>
<a name="line-205"></a><span class='hs-comment'>-- consumes chunks as specified by the buffer size.</span>
<a name="line-206"></a><span class='hs-comment'>--</span>
<a name="line-207"></a><span class='hs-comment'>-- Since 1.1.8</span>
<a name="line-208"></a><span class='hs-definition'>sourceHandleRangeWithBuffer</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>MonadIO</span> <span class='hs-varid'>m</span>
<a name="line-209"></a> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>IO</span><span class='hs-varop'>.</span><span class='hs-conid'>Handle</span>
<a name="line-210"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Maybe</span> <span class='hs-conid'>Integer</span> <span class='hs-comment'>-- ^ Offset</span>
<a name="line-211"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Maybe</span> <span class='hs-conid'>Integer</span> <span class='hs-comment'>-- ^ Maximum count</span>
<a name="line-212"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Int</span> <span class='hs-comment'>-- ^ Buffer size</span>
<a name="line-213"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Producer</span> <span class='hs-varid'>m</span> <span class='hs-conid'>S</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span>
<a name="line-214"></a><span class='hs-definition'>sourceHandleRangeWithBuffer</span> <span class='hs-varid'>handle</span> <span class='hs-varid'>offset</span> <span class='hs-varid'>count</span> <span class='hs-varid'>buffer</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-215"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>offset</span> <span class='hs-keyword'>of</span>
<a name="line-216"></a> <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>return</span> <span class='hs-conid'>()</span>
<a name="line-217"></a> <span class='hs-conid'>Just</span> <span class='hs-varid'>off</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>liftIO</span> <span class='hs-varop'>$</span> <span class='hs-conid'>IO</span><span class='hs-varop'>.</span><span class='hs-varid'>hSeek</span> <span class='hs-varid'>handle</span> <span class='hs-conid'>IO</span><span class='hs-varop'>.</span><span class='hs-conid'>AbsoluteSeek</span> <span class='hs-varid'>off</span>
<a name="line-218"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>count</span> <span class='hs-keyword'>of</span>
<a name="line-219"></a> <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>pullUnlimited</span>
<a name="line-220"></a> <span class='hs-conid'>Just</span> <span class='hs-varid'>c</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>pullLimited</span> <span class='hs-layout'>(</span><span class='hs-varid'>fromInteger</span> <span class='hs-varid'>c</span><span class='hs-layout'>)</span>
<a name="line-221"></a> <span class='hs-keyword'>where</span>
<a name="line-222"></a> <span class='hs-varid'>pullUnlimited</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-223"></a> <span class='hs-varid'>bs</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>liftIO</span> <span class='hs-varop'>$</span> <span class='hs-conid'>S</span><span class='hs-varop'>.</span><span class='hs-varid'>hGetSome</span> <span class='hs-varid'>handle</span> <span class='hs-varid'>buffer</span>
<a name="line-224"></a> <span class='hs-keyword'>if</span> <span class='hs-conid'>S</span><span class='hs-varop'>.</span><span class='hs-varid'>null</span> <span class='hs-varid'>bs</span>
<a name="line-225"></a> <span class='hs-keyword'>then</span> <span class='hs-varid'>return</span> <span class='hs-conid'>()</span>
<a name="line-226"></a> <span class='hs-keyword'>else</span> <span class='hs-keyword'>do</span>
<a name="line-227"></a> <span class='hs-varid'>yield</span> <span class='hs-varid'>bs</span>
<a name="line-228"></a> <span class='hs-varid'>pullUnlimited</span>
<a name="line-229"></a>
<a name="line-230"></a> <span class='hs-varid'>pullLimited</span> <span class='hs-varid'>c</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-231"></a> <span class='hs-varid'>bs</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>liftIO</span> <span class='hs-varop'>$</span> <span class='hs-conid'>S</span><span class='hs-varop'>.</span><span class='hs-varid'>hGetSome</span> <span class='hs-varid'>handle</span> <span class='hs-layout'>(</span><span class='hs-varid'>min</span> <span class='hs-varid'>c</span> <span class='hs-varid'>buffer</span><span class='hs-layout'>)</span>
<a name="line-232"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>c'</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>c</span> <span class='hs-comment'>-</span> <span class='hs-conid'>S</span><span class='hs-varop'>.</span><span class='hs-varid'>length</span> <span class='hs-varid'>bs</span>
<a name="line-233"></a> <span class='hs-varid'>assert</span> <span class='hs-layout'>(</span><span class='hs-varid'>c'</span> <span class='hs-varop'>>=</span> <span class='hs-num'>0</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span>
<a name="line-234"></a> <span class='hs-keyword'>if</span> <span class='hs-conid'>S</span><span class='hs-varop'>.</span><span class='hs-varid'>null</span> <span class='hs-varid'>bs</span>
<a name="line-235"></a> <span class='hs-keyword'>then</span> <span class='hs-varid'>return</span> <span class='hs-conid'>()</span>
<a name="line-236"></a> <span class='hs-keyword'>else</span> <span class='hs-keyword'>do</span>
<a name="line-237"></a> <span class='hs-varid'>yield</span> <span class='hs-varid'>bs</span>
<a name="line-238"></a> <span class='hs-varid'>pullLimited</span> <span class='hs-varid'>c'</span>
<a name="line-239"></a>
<a name="line-240"></a><a name="sinkFile"></a><span class='hs-comment'>-- | Stream all incoming data to the given file.</span>
<a name="line-241"></a><span class='hs-comment'>--</span>
<a name="line-242"></a><span class='hs-comment'>-- Since 0.3.0</span>
<a name="line-243"></a><span class='hs-definition'>sinkFile</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>MonadResource</span> <span class='hs-varid'>m</span>
<a name="line-244"></a> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>FilePath</span>
<a name="line-245"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Consumer</span> <span class='hs-conid'>S</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-conid'>()</span>
<a name="line-246"></a><span class='hs-definition'>sinkFile</span> <span class='hs-varid'>fp</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>sinkIOHandle</span> <span class='hs-layout'>(</span><span class='hs-conid'>IO</span><span class='hs-varop'>.</span><span class='hs-varid'>openBinaryFile</span> <span class='hs-varid'>fp</span> <span class='hs-conid'>IO</span><span class='hs-varop'>.</span><span class='hs-conid'>WriteMode</span><span class='hs-layout'>)</span>
<a name="line-247"></a>
<a name="line-248"></a><a name="conduitFile"></a><span class='hs-comment'>-- | Stream the contents of the input to a file, and also send it along the</span>
<a name="line-249"></a><span class='hs-comment'>-- pipeline. Similar in concept to the Unix command @tee@.</span>
<a name="line-250"></a><span class='hs-comment'>--</span>
<a name="line-251"></a><span class='hs-comment'>-- Since 0.3.0</span>
<a name="line-252"></a><span class='hs-definition'>conduitFile</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>MonadResource</span> <span class='hs-varid'>m</span>
<a name="line-253"></a> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>FilePath</span>
<a name="line-254"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Conduit</span> <span class='hs-conid'>S</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-conid'>S</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span>
<a name="line-255"></a><span class='hs-definition'>conduitFile</span> <span class='hs-varid'>fp</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>bracketP</span>
<a name="line-256"></a> <span class='hs-layout'>(</span><span class='hs-conid'>IO</span><span class='hs-varop'>.</span><span class='hs-varid'>openBinaryFile</span> <span class='hs-varid'>fp</span> <span class='hs-conid'>IO</span><span class='hs-varop'>.</span><span class='hs-conid'>WriteMode</span><span class='hs-layout'>)</span>
<a name="line-257"></a> <span class='hs-conid'>IO</span><span class='hs-varop'>.</span><span class='hs-varid'>hClose</span>
<a name="line-258"></a> <span class='hs-varid'>conduitHandle</span>
<a name="line-259"></a>
<a name="line-260"></a><a name="conduitHandle"></a><span class='hs-comment'>-- | Stream the contents of the input to a @Handle@, and also send it along the</span>
<a name="line-261"></a><span class='hs-comment'>-- pipeline. Similar in concept to the Unix command @tee@. Like @sourceHandle@,</span>
<a name="line-262"></a><span class='hs-comment'>-- does not close the handle on completion. Related to: @conduitFile@.</span>
<a name="line-263"></a><span class='hs-comment'>--</span>
<a name="line-264"></a><span class='hs-comment'>-- Since 1.0.9</span>
<a name="line-265"></a><span class='hs-definition'>conduitHandle</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>MonadIO</span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>IO</span><span class='hs-varop'>.</span><span class='hs-conid'>Handle</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Conduit</span> <span class='hs-conid'>S</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-conid'>S</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span>
<a name="line-266"></a><span class='hs-definition'>conduitHandle</span> <span class='hs-varid'>h</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>awaitForever</span> <span class='hs-varop'>$</span> <span class='hs-keyglyph'>\</span><span class='hs-varid'>bs</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>liftIO</span> <span class='hs-layout'>(</span><span class='hs-conid'>S</span><span class='hs-varop'>.</span><span class='hs-varid'>hPut</span> <span class='hs-varid'>h</span> <span class='hs-varid'>bs</span><span class='hs-layout'>)</span> <span class='hs-varop'>>></span> <span class='hs-varid'>yield</span> <span class='hs-varid'>bs</span>
<a name="line-267"></a>
<a name="line-268"></a><a name="isolate"></a><span class='hs-comment'>-- | Ensure that only up to the given number of bytes are consumed by the inner</span>
<a name="line-269"></a><span class='hs-comment'>-- sink. Note that this does /not/ ensure that all of those bytes are in fact</span>
<a name="line-270"></a><span class='hs-comment'>-- consumed.</span>
<a name="line-271"></a><span class='hs-comment'>--</span>
<a name="line-272"></a><span class='hs-comment'>-- Since 0.3.0</span>
<a name="line-273"></a><span class='hs-definition'>isolate</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Monad</span> <span class='hs-varid'>m</span>
<a name="line-274"></a> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>Int</span>
<a name="line-275"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Conduit</span> <span class='hs-conid'>S</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-conid'>S</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span>
<a name="line-276"></a><span class='hs-definition'>isolate</span> <span class='hs-keyglyph'>=</span>
<a name="line-277"></a> <span class='hs-varid'>loop</span>
<a name="line-278"></a> <span class='hs-keyword'>where</span>
<a name="line-279"></a> <span class='hs-varid'>loop</span> <span class='hs-num'>0</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>return</span> <span class='hs-conid'>()</span>
<a name="line-280"></a> <span class='hs-varid'>loop</span> <span class='hs-varid'>count</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-281"></a> <span class='hs-varid'>mbs</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>await</span>
<a name="line-282"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>mbs</span> <span class='hs-keyword'>of</span>
<a name="line-283"></a> <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>return</span> <span class='hs-conid'>()</span>
<a name="line-284"></a> <span class='hs-conid'>Just</span> <span class='hs-varid'>bs</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span>
<a name="line-285"></a> <span class='hs-keyword'>let</span> <span class='hs-layout'>(</span><span class='hs-varid'>a</span><span class='hs-layout'>,</span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>S</span><span class='hs-varop'>.</span><span class='hs-varid'>splitAt</span> <span class='hs-varid'>count</span> <span class='hs-varid'>bs</span>
<a name="line-286"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>count</span> <span class='hs-comment'>-</span> <span class='hs-conid'>S</span><span class='hs-varop'>.</span><span class='hs-varid'>length</span> <span class='hs-varid'>a</span> <span class='hs-keyword'>of</span>
<a name="line-287"></a> <span class='hs-num'>0</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span>
<a name="line-288"></a> <span class='hs-varid'>unless</span> <span class='hs-layout'>(</span><span class='hs-conid'>S</span><span class='hs-varop'>.</span><span class='hs-varid'>null</span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span> <span class='hs-varid'>leftover</span> <span class='hs-varid'>b</span>
<a name="line-289"></a> <span class='hs-varid'>yield</span> <span class='hs-varid'>a</span>
<a name="line-290"></a> <span class='hs-varid'>count'</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>assert</span> <span class='hs-layout'>(</span><span class='hs-conid'>S</span><span class='hs-varop'>.</span><span class='hs-varid'>null</span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span> <span class='hs-varid'>yield</span> <span class='hs-varid'>a</span> <span class='hs-varop'>>></span> <span class='hs-varid'>loop</span> <span class='hs-varid'>count'</span>
<a name="line-291"></a>
<a name="line-292"></a><a name="head"></a><span class='hs-comment'>-- | Return the next byte from the stream, if available.</span>
<a name="line-293"></a><span class='hs-comment'>--</span>
<a name="line-294"></a><span class='hs-comment'>-- Since 0.3.0</span>
<a name="line-295"></a><span class='hs-definition'>head</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Monad</span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>Consumer</span> <span class='hs-conid'>S</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-layout'>(</span><span class='hs-conid'>Maybe</span> <span class='hs-conid'>Word8</span><span class='hs-layout'>)</span>
<a name="line-296"></a><span class='hs-definition'>head</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-297"></a> <span class='hs-varid'>mbs</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>await</span>
<a name="line-298"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>mbs</span> <span class='hs-keyword'>of</span>
<a name="line-299"></a> <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>return</span> <span class='hs-conid'>Nothing</span>
<a name="line-300"></a> <span class='hs-conid'>Just</span> <span class='hs-varid'>bs</span> <span class='hs-keyglyph'>-></span>
<a name="line-301"></a> <span class='hs-keyword'>case</span> <span class='hs-conid'>S</span><span class='hs-varop'>.</span><span class='hs-varid'>uncons</span> <span class='hs-varid'>bs</span> <span class='hs-keyword'>of</span>
<a name="line-302"></a> <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>head</span>
<a name="line-303"></a> <span class='hs-conid'>Just</span> <span class='hs-layout'>(</span><span class='hs-varid'>w</span><span class='hs-layout'>,</span> <span class='hs-varid'>bs'</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>leftover</span> <span class='hs-varid'>bs'</span> <span class='hs-varop'>>></span> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-conid'>Just</span> <span class='hs-varid'>w</span><span class='hs-layout'>)</span>
<a name="line-304"></a>
<a name="line-305"></a><a name="takeWhile"></a><span class='hs-comment'>-- | Return all bytes while the predicate returns @True@.</span>
<a name="line-306"></a><span class='hs-comment'>--</span>
<a name="line-307"></a><span class='hs-comment'>-- Since 0.3.0</span>
<a name="line-308"></a><span class='hs-definition'>takeWhile</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Monad</span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'>=></span> <span class='hs-layout'>(</span><span class='hs-conid'>Word8</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Bool</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Conduit</span> <span class='hs-conid'>S</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-conid'>S</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span>
<a name="line-309"></a><span class='hs-definition'>takeWhile</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>=</span>
<a name="line-310"></a> <span class='hs-varid'>loop</span>
<a name="line-311"></a> <span class='hs-keyword'>where</span>
<a name="line-312"></a> <span class='hs-varid'>loop</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>await</span> <span class='hs-varop'>>>=</span> <span class='hs-varid'>maybe</span> <span class='hs-layout'>(</span><span class='hs-varid'>return</span> <span class='hs-conid'>()</span><span class='hs-layout'>)</span> <span class='hs-varid'>go</span>
<a name="line-313"></a>
<a name="line-314"></a> <span class='hs-varid'>go</span> <span class='hs-varid'>bs</span>
<a name="line-315"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>S</span><span class='hs-varop'>.</span><span class='hs-varid'>null</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>next</span>
<a name="line-316"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>yield</span> <span class='hs-varid'>x</span> <span class='hs-varop'>>></span> <span class='hs-varid'>next</span>
<a name="line-317"></a> <span class='hs-keyword'>where</span>
<a name="line-318"></a> <span class='hs-varid'>next</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>if</span> <span class='hs-conid'>S</span><span class='hs-varop'>.</span><span class='hs-varid'>null</span> <span class='hs-varid'>y</span> <span class='hs-keyword'>then</span> <span class='hs-varid'>loop</span> <span class='hs-keyword'>else</span> <span class='hs-varid'>leftover</span> <span class='hs-varid'>y</span>
<a name="line-319"></a> <span class='hs-layout'>(</span><span class='hs-varid'>x</span><span class='hs-layout'>,</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>S</span><span class='hs-varop'>.</span><span class='hs-varid'>span</span> <span class='hs-varid'>p</span> <span class='hs-varid'>bs</span>
<a name="line-320"></a>
<a name="line-321"></a><a name="dropWhile"></a><span class='hs-comment'>-- | Ignore all bytes while the predicate returns @True@.</span>
<a name="line-322"></a><span class='hs-comment'>--</span>
<a name="line-323"></a><span class='hs-comment'>-- Since 0.3.0</span>
<a name="line-324"></a><span class='hs-definition'>dropWhile</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Monad</span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'>=></span> <span class='hs-layout'>(</span><span class='hs-conid'>Word8</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Bool</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Consumer</span> <span class='hs-conid'>S</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-conid'>()</span>
<a name="line-325"></a><span class='hs-definition'>dropWhile</span> <span class='hs-varid'>p</span> <span class='hs-keyglyph'>=</span>
<a name="line-326"></a> <span class='hs-varid'>loop</span>
<a name="line-327"></a> <span class='hs-keyword'>where</span>
<a name="line-328"></a> <span class='hs-varid'>loop</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-329"></a> <span class='hs-varid'>mbs</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>await</span>
<a name="line-330"></a> <span class='hs-keyword'>case</span> <span class='hs-conid'>S</span><span class='hs-varop'>.</span><span class='hs-varid'>dropWhile</span> <span class='hs-varid'>p</span> <span class='hs-varop'><$></span> <span class='hs-varid'>mbs</span> <span class='hs-keyword'>of</span>
<a name="line-331"></a> <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>return</span> <span class='hs-conid'>()</span>
<a name="line-332"></a> <span class='hs-conid'>Just</span> <span class='hs-varid'>bs</span>
<a name="line-333"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>S</span><span class='hs-varop'>.</span><span class='hs-varid'>null</span> <span class='hs-varid'>bs</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>loop</span>
<a name="line-334"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>leftover</span> <span class='hs-varid'>bs</span>
<a name="line-335"></a>
<a name="line-336"></a><a name="take"></a><span class='hs-comment'>-- | Take the given number of bytes, if available.</span>
<a name="line-337"></a><span class='hs-comment'>--</span>
<a name="line-338"></a><span class='hs-comment'>-- Since 0.3.0</span>
<a name="line-339"></a><span class='hs-definition'>take</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Monad</span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>Int</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Consumer</span> <span class='hs-conid'>S</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-conid'>L</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span>
<a name="line-340"></a><span class='hs-definition'>take</span> <span class='hs-num'>0</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>return</span> <span class='hs-conid'>L</span><span class='hs-varop'>.</span><span class='hs-varid'>empty</span>
<a name="line-341"></a><span class='hs-definition'>take</span> <span class='hs-varid'>n0</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>go</span> <span class='hs-varid'>n0</span> <span class='hs-varid'>id</span>
<a name="line-342"></a> <span class='hs-keyword'>where</span>
<a name="line-343"></a> <span class='hs-varid'>go</span> <span class='hs-varid'>n</span> <span class='hs-varid'>front</span> <span class='hs-keyglyph'>=</span>
<a name="line-344"></a> <span class='hs-varid'>await</span> <span class='hs-varop'>>>=</span> <span class='hs-varid'>maybe</span> <span class='hs-layout'>(</span><span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-conid'>L</span><span class='hs-varop'>.</span><span class='hs-varid'>fromChunks</span> <span class='hs-varop'>$</span> <span class='hs-varid'>front</span> <span class='hs-conid'>[]</span><span class='hs-layout'>)</span> <span class='hs-varid'>go'</span>
<a name="line-345"></a> <span class='hs-keyword'>where</span>
<a name="line-346"></a> <span class='hs-varid'>go'</span> <span class='hs-varid'>bs</span> <span class='hs-keyglyph'>=</span>
<a name="line-347"></a> <span class='hs-keyword'>case</span> <span class='hs-conid'>S</span><span class='hs-varop'>.</span><span class='hs-varid'>length</span> <span class='hs-varid'>bs</span> <span class='hs-varop'>`compare`</span> <span class='hs-varid'>n</span> <span class='hs-keyword'>of</span>
<a name="line-348"></a> <span class='hs-conid'>LT</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>go</span> <span class='hs-layout'>(</span><span class='hs-varid'>n</span> <span class='hs-comment'>-</span> <span class='hs-conid'>S</span><span class='hs-varop'>.</span><span class='hs-varid'>length</span> <span class='hs-varid'>bs</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>front</span> <span class='hs-varop'>.</span> <span class='hs-layout'>(</span><span class='hs-varid'>bs</span><span class='hs-conop'>:</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-349"></a> <span class='hs-conid'>EQ</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>return</span> <span class='hs-varop'>$</span> <span class='hs-conid'>L</span><span class='hs-varop'>.</span><span class='hs-varid'>fromChunks</span> <span class='hs-varop'>$</span> <span class='hs-varid'>front</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>bs</span><span class='hs-keyglyph'>]</span>
<a name="line-350"></a> <span class='hs-conid'>GT</span> <span class='hs-keyglyph'>-></span>
<a name="line-351"></a> <span class='hs-keyword'>let</span> <span class='hs-layout'>(</span><span class='hs-varid'>x</span><span class='hs-layout'>,</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>S</span><span class='hs-varop'>.</span><span class='hs-varid'>splitAt</span> <span class='hs-varid'>n</span> <span class='hs-varid'>bs</span>
<a name="line-352"></a> <span class='hs-keyword'>in</span> <span class='hs-varid'>assert</span> <span class='hs-layout'>(</span><span class='hs-varid'>not</span> <span class='hs-varop'>$</span> <span class='hs-conid'>S</span><span class='hs-varop'>.</span><span class='hs-varid'>null</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span> <span class='hs-varid'>leftover</span> <span class='hs-varid'>y</span> <span class='hs-varop'>>></span> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-conid'>L</span><span class='hs-varop'>.</span><span class='hs-varid'>fromChunks</span> <span class='hs-varop'>$</span> <span class='hs-varid'>front</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>x</span><span class='hs-keyglyph'>]</span><span class='hs-layout'>)</span>
<a name="line-353"></a>
<a name="line-354"></a><a name="drop"></a><span class='hs-comment'>-- | Drop up to the given number of bytes.</span>
<a name="line-355"></a><span class='hs-comment'>--</span>
<a name="line-356"></a><span class='hs-comment'>-- Since 0.5.0</span>
<a name="line-357"></a><span class='hs-definition'>drop</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Monad</span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>Int</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Consumer</span> <span class='hs-conid'>S</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-conid'>()</span>
<a name="line-358"></a><span class='hs-definition'>drop</span> <span class='hs-num'>0</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>return</span> <span class='hs-conid'>()</span>
<a name="line-359"></a><span class='hs-definition'>drop</span> <span class='hs-varid'>n0</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>go</span> <span class='hs-varid'>n0</span>
<a name="line-360"></a> <span class='hs-keyword'>where</span>
<a name="line-361"></a> <span class='hs-varid'>go</span> <span class='hs-varid'>n</span> <span class='hs-keyglyph'>=</span>
<a name="line-362"></a> <span class='hs-varid'>await</span> <span class='hs-varop'>>>=</span> <span class='hs-varid'>maybe</span> <span class='hs-layout'>(</span><span class='hs-varid'>return</span> <span class='hs-conid'>()</span><span class='hs-layout'>)</span> <span class='hs-varid'>go'</span>
<a name="line-363"></a> <span class='hs-keyword'>where</span>
<a name="line-364"></a> <span class='hs-varid'>go'</span> <span class='hs-varid'>bs</span> <span class='hs-keyglyph'>=</span>
<a name="line-365"></a> <span class='hs-keyword'>case</span> <span class='hs-conid'>S</span><span class='hs-varop'>.</span><span class='hs-varid'>length</span> <span class='hs-varid'>bs</span> <span class='hs-varop'>`compare`</span> <span class='hs-varid'>n</span> <span class='hs-keyword'>of</span>
<a name="line-366"></a> <span class='hs-conid'>LT</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>go</span> <span class='hs-layout'>(</span><span class='hs-varid'>n</span> <span class='hs-comment'>-</span> <span class='hs-conid'>S</span><span class='hs-varop'>.</span><span class='hs-varid'>length</span> <span class='hs-varid'>bs</span><span class='hs-layout'>)</span>
<a name="line-367"></a> <span class='hs-conid'>EQ</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>return</span> <span class='hs-conid'>()</span>
<a name="line-368"></a> <span class='hs-conid'>GT</span> <span class='hs-keyglyph'>-></span>
<a name="line-369"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>y</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>S</span><span class='hs-varop'>.</span><span class='hs-varid'>drop</span> <span class='hs-varid'>n</span> <span class='hs-varid'>bs</span>
<a name="line-370"></a> <span class='hs-keyword'>in</span> <span class='hs-varid'>assert</span> <span class='hs-layout'>(</span><span class='hs-varid'>not</span> <span class='hs-varop'>$</span> <span class='hs-conid'>S</span><span class='hs-varop'>.</span><span class='hs-varid'>null</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span> <span class='hs-varop'>$</span> <span class='hs-varid'>leftover</span> <span class='hs-varid'>y</span> <span class='hs-varop'>>></span> <span class='hs-varid'>return</span> <span class='hs-conid'>()</span>
<a name="line-371"></a>
<a name="line-372"></a><a name="lines"></a><span class='hs-comment'>-- | Split the input bytes into lines. In other words, split on the LF byte</span>
<a name="line-373"></a><span class='hs-comment'>-- (10), and strip it from the output.</span>
<a name="line-374"></a><span class='hs-comment'>--</span>
<a name="line-375"></a><span class='hs-comment'>-- Since 0.3.0</span>
<a name="line-376"></a><span class='hs-definition'>lines</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Monad</span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>Conduit</span> <span class='hs-conid'>S</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-conid'>S</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span>
<a name="line-377"></a><span class='hs-definition'>lines</span> <span class='hs-keyglyph'>=</span>
<a name="line-378"></a> <span class='hs-varid'>loop</span> <span class='hs-conid'>[]</span>
<a name="line-379"></a> <span class='hs-keyword'>where</span>
<a name="line-380"></a> <span class='hs-varid'>loop</span> <span class='hs-varid'>acc</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>await</span> <span class='hs-varop'>>>=</span> <span class='hs-varid'>maybe</span> <span class='hs-layout'>(</span><span class='hs-varid'>finish</span> <span class='hs-varid'>acc</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>go</span> <span class='hs-varid'>acc</span><span class='hs-layout'>)</span>
<a name="line-381"></a>
<a name="line-382"></a> <span class='hs-varid'>finish</span> <span class='hs-varid'>acc</span> <span class='hs-keyglyph'>=</span>
<a name="line-383"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>final</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>S</span><span class='hs-varop'>.</span><span class='hs-varid'>concat</span> <span class='hs-varop'>$</span> <span class='hs-varid'>reverse</span> <span class='hs-varid'>acc</span>
<a name="line-384"></a> <span class='hs-keyword'>in</span> <span class='hs-varid'>unless</span> <span class='hs-layout'>(</span><span class='hs-conid'>S</span><span class='hs-varop'>.</span><span class='hs-varid'>null</span> <span class='hs-varid'>final</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>yield</span> <span class='hs-varid'>final</span><span class='hs-layout'>)</span>
<a name="line-385"></a>
<a name="line-386"></a> <span class='hs-varid'>go</span> <span class='hs-varid'>acc</span> <span class='hs-varid'>more</span> <span class='hs-keyglyph'>=</span>
<a name="line-387"></a> <span class='hs-keyword'>case</span> <span class='hs-conid'>S</span><span class='hs-varop'>.</span><span class='hs-varid'>uncons</span> <span class='hs-varid'>second</span> <span class='hs-keyword'>of</span>
<a name="line-388"></a> <span class='hs-conid'>Just</span> <span class='hs-layout'>(</span><span class='hs-keyword'>_</span><span class='hs-layout'>,</span> <span class='hs-varid'>second'</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>yield</span> <span class='hs-layout'>(</span><span class='hs-conid'>S</span><span class='hs-varop'>.</span><span class='hs-varid'>concat</span> <span class='hs-varop'>$</span> <span class='hs-varid'>reverse</span> <span class='hs-varop'>$</span> <span class='hs-varid'>first</span><span class='hs-conop'>:</span><span class='hs-varid'>acc</span><span class='hs-layout'>)</span> <span class='hs-varop'>>></span> <span class='hs-varid'>go</span> <span class='hs-conid'>[]</span> <span class='hs-varid'>second'</span>
<a name="line-389"></a> <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>loop</span> <span class='hs-varop'>$</span> <span class='hs-varid'>more</span><span class='hs-conop'>:</span><span class='hs-varid'>acc</span>
<a name="line-390"></a> <span class='hs-keyword'>where</span>
<a name="line-391"></a> <span class='hs-layout'>(</span><span class='hs-varid'>first</span><span class='hs-layout'>,</span> <span class='hs-varid'>second</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>S</span><span class='hs-varop'>.</span><span class='hs-varid'>break</span> <span class='hs-layout'>(</span><span class='hs-varop'>==</span> <span class='hs-num'>10</span><span class='hs-layout'>)</span> <span class='hs-varid'>more</span>
<a name="line-392"></a>
<a name="line-393"></a><a name="sourceLbs"></a><span class='hs-comment'>-- | Stream the chunks from a lazy bytestring.</span>
<a name="line-394"></a><span class='hs-comment'>--</span>
<a name="line-395"></a><span class='hs-comment'>-- Since 0.5.0</span>
<a name="line-396"></a><span class='hs-definition'>sourceLbs</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Monad</span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>L</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Producer</span> <span class='hs-varid'>m</span> <span class='hs-conid'>S</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span>
<a name="line-397"></a><span class='hs-definition'>sourceLbs</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>sourceList</span> <span class='hs-varop'>.</span> <span class='hs-conid'>L</span><span class='hs-varop'>.</span><span class='hs-varid'>toChunks</span>
<a name="line-398"></a>
<a name="line-399"></a><a name="sinkCacheLength"></a><span class='hs-comment'>-- | Stream the input data into a temp file and count the number of bytes</span>
<a name="line-400"></a><span class='hs-comment'>-- present. When complete, return a new @Source@ reading from the temp file</span>
<a name="line-401"></a><span class='hs-comment'>-- together with the length of the input in bytes.</span>
<a name="line-402"></a><span class='hs-comment'>--</span>
<a name="line-403"></a><span class='hs-comment'>-- All resources will be cleaned up automatically.</span>
<a name="line-404"></a><span class='hs-comment'>--</span>
<a name="line-405"></a><span class='hs-comment'>-- Since 1.0.5</span>
<a name="line-406"></a><span class='hs-definition'>sinkCacheLength</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>MonadResource</span> <span class='hs-varid'>m1</span><span class='hs-layout'>,</span> <span class='hs-conid'>MonadResource</span> <span class='hs-varid'>m2</span><span class='hs-layout'>)</span>
<a name="line-407"></a> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>Sink</span> <span class='hs-conid'>S</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m1</span> <span class='hs-layout'>(</span><span class='hs-conid'>Word64</span><span class='hs-layout'>,</span> <span class='hs-conid'>Source</span> <span class='hs-varid'>m2</span> <span class='hs-conid'>S</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span><span class='hs-layout'>)</span>
<a name="line-408"></a><span class='hs-definition'>sinkCacheLength</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-409"></a> <span class='hs-varid'>tmpdir</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>liftIO</span> <span class='hs-varid'>getTemporaryDirectory</span>
<a name="line-410"></a> <span class='hs-layout'>(</span><span class='hs-varid'>releaseKey</span><span class='hs-layout'>,</span> <span class='hs-layout'>(</span><span class='hs-varid'>fp</span><span class='hs-layout'>,</span> <span class='hs-varid'>h</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>allocate</span>
<a name="line-411"></a> <span class='hs-layout'>(</span><span class='hs-conid'>IO</span><span class='hs-varop'>.</span><span class='hs-varid'>openBinaryTempFile</span> <span class='hs-varid'>tmpdir</span> <span class='hs-str'>"conduit.cache"</span><span class='hs-layout'>)</span>
<a name="line-412"></a> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-layout'>(</span><span class='hs-varid'>fp</span><span class='hs-layout'>,</span> <span class='hs-varid'>h</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span><span class='hs-varop'>.</span><span class='hs-varid'>hClose</span> <span class='hs-varid'>h</span> <span class='hs-varop'>`finally`</span> <span class='hs-varid'>removeFile</span> <span class='hs-varid'>fp</span><span class='hs-layout'>)</span>
<a name="line-413"></a> <span class='hs-varid'>len</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>sinkHandleLen</span> <span class='hs-varid'>h</span>
<a name="line-414"></a> <span class='hs-varid'>liftIO</span> <span class='hs-varop'>$</span> <span class='hs-conid'>IO</span><span class='hs-varop'>.</span><span class='hs-varid'>hClose</span> <span class='hs-varid'>h</span>
<a name="line-415"></a> <span class='hs-varid'>return</span> <span class='hs-layout'>(</span><span class='hs-varid'>len</span><span class='hs-layout'>,</span> <span class='hs-varid'>sourceFile</span> <span class='hs-varid'>fp</span> <span class='hs-varop'>>></span> <span class='hs-varid'>release</span> <span class='hs-varid'>releaseKey</span><span class='hs-layout'>)</span>
<a name="line-416"></a> <span class='hs-keyword'>where</span>
<a name="line-417"></a> <span class='hs-varid'>sinkHandleLen</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>MonadResource</span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>IO</span><span class='hs-varop'>.</span><span class='hs-conid'>Handle</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Sink</span> <span class='hs-conid'>S</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-conid'>Word64</span>
<a name="line-418"></a> <span class='hs-varid'>sinkHandleLen</span> <span class='hs-varid'>h</span> <span class='hs-keyglyph'>=</span>
<a name="line-419"></a> <span class='hs-varid'>loop</span> <span class='hs-num'>0</span>
<a name="line-420"></a> <span class='hs-keyword'>where</span>
<a name="line-421"></a> <span class='hs-varid'>loop</span> <span class='hs-varid'>x</span> <span class='hs-keyglyph'>=</span>
<a name="line-422"></a> <span class='hs-varid'>await</span> <span class='hs-varop'>>>=</span> <span class='hs-varid'>maybe</span> <span class='hs-layout'>(</span><span class='hs-varid'>return</span> <span class='hs-varid'>x</span><span class='hs-layout'>)</span> <span class='hs-varid'>go</span>
<a name="line-423"></a> <span class='hs-keyword'>where</span>
<a name="line-424"></a> <span class='hs-varid'>go</span> <span class='hs-varid'>bs</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-425"></a> <span class='hs-varid'>liftIO</span> <span class='hs-varop'>$</span> <span class='hs-conid'>S</span><span class='hs-varop'>.</span><span class='hs-varid'>hPut</span> <span class='hs-varid'>h</span> <span class='hs-varid'>bs</span>
<a name="line-426"></a> <span class='hs-varid'>loop</span> <span class='hs-varop'>$</span> <span class='hs-varid'>x</span> <span class='hs-varop'>+</span> <span class='hs-varid'>fromIntegral</span> <span class='hs-layout'>(</span><span class='hs-conid'>S</span><span class='hs-varop'>.</span><span class='hs-varid'>length</span> <span class='hs-varid'>bs</span><span class='hs-layout'>)</span>
<a name="line-427"></a>
<a name="line-428"></a><a name="sinkLbs"></a><span class='hs-comment'>-- | Consume a stream of input into a lazy bytestring. Note that no lazy I\/O</span>
<a name="line-429"></a><span class='hs-comment'>-- is performed, but rather all content is read into memory strictly.</span>
<a name="line-430"></a><span class='hs-comment'>--</span>
<a name="line-431"></a><span class='hs-comment'>-- Since 1.0.5</span>
<a name="line-432"></a><span class='hs-definition'>sinkLbs</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Monad</span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>Sink</span> <span class='hs-conid'>S</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-conid'>L</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span>
<a name="line-433"></a><span class='hs-definition'>sinkLbs</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>fmap</span> <span class='hs-conid'>L</span><span class='hs-varop'>.</span><span class='hs-varid'>fromChunks</span> <span class='hs-varid'>consume</span>
<a name="line-434"></a>
<a name="line-435"></a><a name="mapM_BS"></a><span class='hs-definition'>mapM_BS</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Monad</span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'>=></span> <span class='hs-layout'>(</span><span class='hs-conid'>Word8</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>m</span> <span class='hs-conid'>()</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>S</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>m</span> <span class='hs-conid'>()</span>
<a name="line-436"></a><span class='hs-definition'>mapM_BS</span> <span class='hs-varid'>f</span> <span class='hs-layout'>(</span><span class='hs-conid'>PS</span> <span class='hs-varid'>fptr</span> <span class='hs-varid'>offset</span> <span class='hs-varid'>len</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-437"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>start</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>unsafeForeignPtrToPtr</span> <span class='hs-varid'>fptr</span> <span class='hs-varop'>`plusPtr`</span> <span class='hs-varid'>offset</span>
<a name="line-438"></a> <span class='hs-varid'>end</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>start</span> <span class='hs-varop'>`plusPtr`</span> <span class='hs-varid'>len</span>
<a name="line-439"></a> <span class='hs-varid'>loop</span> <span class='hs-varid'>ptr</span>
<a name="line-440"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>ptr</span> <span class='hs-varop'>>=</span> <span class='hs-varid'>end</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>inlinePerformIO</span> <span class='hs-layout'>(</span><span class='hs-varid'>touchForeignPtr</span> <span class='hs-varid'>fptr</span><span class='hs-layout'>)</span> <span class='hs-varop'>`seq`</span> <span class='hs-varid'>return</span> <span class='hs-conid'>()</span>
<a name="line-441"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-442"></a> <span class='hs-varid'>f</span> <span class='hs-layout'>(</span><span class='hs-varid'>inlinePerformIO</span> <span class='hs-layout'>(</span><span class='hs-varid'>peek</span> <span class='hs-varid'>ptr</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-443"></a> <span class='hs-varid'>loop</span> <span class='hs-layout'>(</span><span class='hs-varid'>ptr</span> <span class='hs-varop'>`plusPtr`</span> <span class='hs-num'>1</span><span class='hs-layout'>)</span>
<a name="line-444"></a> <span class='hs-varid'>loop</span> <span class='hs-varid'>start</span>
<a name="line-445"></a><span class='hs-comment'>{-# INLINE mapM_BS #-}</span>
<a name="line-446"></a>
<a name="line-447"></a><a name="mapM_"></a><span class='hs-comment'>-- | Perform a computation on each @Word8@ in a stream.</span>
<a name="line-448"></a><span class='hs-comment'>--</span>
<a name="line-449"></a><span class='hs-comment'>-- Since 1.0.10</span>
<a name="line-450"></a><span class='hs-definition'>mapM_</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Monad</span> <span class='hs-varid'>m</span> <span class='hs-keyglyph'>=></span> <span class='hs-layout'>(</span><span class='hs-conid'>Word8</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>m</span> <span class='hs-conid'>()</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Consumer</span> <span class='hs-conid'>S</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-conid'>()</span>
<a name="line-451"></a><span class='hs-definition'>mapM_</span> <span class='hs-varid'>f</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>awaitForever</span> <span class='hs-layout'>(</span><span class='hs-varid'>lift</span> <span class='hs-varop'>.</span> <span class='hs-varid'>mapM_BS</span> <span class='hs-varid'>f</span><span class='hs-layout'>)</span>
<a name="line-452"></a><span class='hs-comment'>{-# INLINE mapM_ #-}</span>
<a name="line-453"></a>
<a name="line-454"></a><a name="sinkStorable"></a><span class='hs-comment'>-- | Consume some instance of @Storable@ from the incoming byte stream. In the</span>
<a name="line-455"></a><span class='hs-comment'>-- event of insufficient bytes in the stream, returns a @Nothing@ and returns</span>
<a name="line-456"></a><span class='hs-comment'>-- all unused input as leftovers.</span>
<a name="line-457"></a><span class='hs-comment'>--</span>
<a name="line-458"></a><span class='hs-comment'>-- @since 1.1.13</span>
<a name="line-459"></a><span class='hs-definition'>sinkStorable</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>Monad</span> <span class='hs-varid'>m</span><span class='hs-layout'>,</span> <span class='hs-conid'>Storable</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>Consumer</span> <span class='hs-conid'>S</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-layout'>(</span><span class='hs-conid'>Maybe</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span>
<a name="line-460"></a><span class='hs-definition'>sinkStorable</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>sinkStorableHelper</span> <span class='hs-conid'>Just</span> <span class='hs-layout'>(</span><span class='hs-varid'>return</span> <span class='hs-conid'>Nothing</span><span class='hs-layout'>)</span>
<a name="line-461"></a>
<a name="line-462"></a><a name="sinkStorableEx"></a><span class='hs-comment'>-- | Same as 'sinkStorable', but throws a 'SinkStorableInsufficientBytes'</span>
<a name="line-463"></a><span class='hs-comment'>-- exception (via 'throwM') in the event of insufficient bytes. This can be</span>
<a name="line-464"></a><span class='hs-comment'>-- more efficient to use than 'sinkStorable' as it avoids the need to</span>
<a name="line-465"></a><span class='hs-comment'>-- construct/deconstruct a @Maybe@ wrapper in the success case.</span>
<a name="line-466"></a><span class='hs-comment'>--</span>
<a name="line-467"></a><span class='hs-comment'>-- @since 1.1.13</span>
<a name="line-468"></a><span class='hs-definition'>sinkStorableEx</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>MonadThrow</span> <span class='hs-varid'>m</span><span class='hs-layout'>,</span> <span class='hs-conid'>Storable</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>Consumer</span> <span class='hs-conid'>S</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-varid'>a</span>
<a name="line-469"></a><span class='hs-definition'>sinkStorableEx</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>sinkStorableHelper</span> <span class='hs-varid'>id</span> <span class='hs-layout'>(</span><span class='hs-varid'>throwM</span> <span class='hs-conid'>SinkStorableInsufficientBytes</span><span class='hs-layout'>)</span>
<a name="line-470"></a>
<a name="line-471"></a><a name="sinkStorableHelper"></a><span class='hs-definition'>sinkStorableHelper</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyword'>forall</span> <span class='hs-varid'>m</span> <span class='hs-varid'>a</span> <span class='hs-varid'>b</span><span class='hs-varop'>.</span> <span class='hs-layout'>(</span><span class='hs-conid'>Monad</span> <span class='hs-varid'>m</span><span class='hs-layout'>,</span> <span class='hs-conid'>Storable</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span>
<a name="line-472"></a> <span class='hs-keyglyph'>=></span> <span class='hs-layout'>(</span><span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span>
<a name="line-473"></a> <span class='hs-keyglyph'>-></span> <span class='hs-layout'>(</span><span class='hs-conid'>Consumer</span> <span class='hs-conid'>S</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-varid'>b</span><span class='hs-layout'>)</span>
<a name="line-474"></a> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Consumer</span> <span class='hs-conid'>S</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span> <span class='hs-varid'>m</span> <span class='hs-varid'>b</span>
<a name="line-475"></a><span class='hs-definition'>sinkStorableHelper</span> <span class='hs-varid'>wrap</span> <span class='hs-varid'>failure</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-476"></a> <span class='hs-varid'>start</span>
<a name="line-477"></a> <span class='hs-keyword'>where</span>
<a name="line-478"></a> <span class='hs-varid'>size</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>sizeOf</span> <span class='hs-layout'>(</span><span class='hs-varid'>undefined</span> <span class='hs-keyglyph'>::</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span>
<a name="line-479"></a>
<a name="line-480"></a> <span class='hs-comment'>-- try the optimal case: next chunk has all the data we need</span>
<a name="line-481"></a> <span class='hs-varid'>start</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span>
<a name="line-482"></a> <span class='hs-varid'>mbs</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>await</span>
<a name="line-483"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>mbs</span> <span class='hs-keyword'>of</span>
<a name="line-484"></a> <span class='hs-conid'>Nothing</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>failure</span>
<a name="line-485"></a> <span class='hs-conid'>Just</span> <span class='hs-varid'>bs</span>
<a name="line-486"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>S</span><span class='hs-varop'>.</span><span class='hs-varid'>null</span> <span class='hs-varid'>bs</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>start</span>
<a name="line-487"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>-></span>
<a name="line-488"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>compare</span> <span class='hs-layout'>(</span><span class='hs-conid'>S</span><span class='hs-varop'>.</span><span class='hs-varid'>length</span> <span class='hs-varid'>bs</span><span class='hs-layout'>)</span> <span class='hs-varid'>size</span> <span class='hs-keyword'>of</span>
<a name="line-489"></a> <span class='hs-conid'>LT</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span>
<a name="line-490"></a> <span class='hs-comment'>-- looks like we're stuck concating</span>
<a name="line-491"></a> <span class='hs-varid'>leftover</span> <span class='hs-varid'>bs</span>
<a name="line-492"></a> <span class='hs-varid'>lbs</span> <span class='hs-keyglyph'><-</span> <span class='hs-varid'>take</span> <span class='hs-varid'>size</span>
<a name="line-493"></a> <span class='hs-keyword'>let</span> <span class='hs-varid'>bs</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>S</span><span class='hs-varop'>.</span><span class='hs-varid'>concat</span> <span class='hs-varop'>$</span> <span class='hs-conid'>L</span><span class='hs-varop'>.</span><span class='hs-varid'>toChunks</span> <span class='hs-varid'>lbs</span>
<a name="line-494"></a> <span class='hs-keyword'>case</span> <span class='hs-varid'>compare</span> <span class='hs-layout'>(</span><span class='hs-conid'>S</span><span class='hs-varop'>.</span><span class='hs-varid'>length</span> <span class='hs-varid'>bs</span><span class='hs-layout'>)</span> <span class='hs-varid'>size</span> <span class='hs-keyword'>of</span>
<a name="line-495"></a> <span class='hs-conid'>LT</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span>
<a name="line-496"></a> <span class='hs-varid'>leftover</span> <span class='hs-varid'>bs</span>
<a name="line-497"></a> <span class='hs-varid'>failure</span>
<a name="line-498"></a> <span class='hs-conid'>EQ</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>process</span> <span class='hs-varid'>bs</span>
<a name="line-499"></a> <span class='hs-conid'>GT</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>assert</span> <span class='hs-conid'>False</span> <span class='hs-layout'>(</span><span class='hs-varid'>process</span> <span class='hs-varid'>bs</span><span class='hs-layout'>)</span>
<a name="line-500"></a> <span class='hs-conid'>EQ</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>process</span> <span class='hs-varid'>bs</span>
<a name="line-501"></a> <span class='hs-conid'>GT</span> <span class='hs-keyglyph'>-></span> <span class='hs-keyword'>do</span>
<a name="line-502"></a> <span class='hs-keyword'>let</span> <span class='hs-layout'>(</span><span class='hs-varid'>x</span><span class='hs-layout'>,</span> <span class='hs-varid'>y</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>S</span><span class='hs-varop'>.</span><span class='hs-varid'>splitAt</span> <span class='hs-varid'>size</span> <span class='hs-varid'>bs</span>
<a name="line-503"></a> <span class='hs-varid'>leftover</span> <span class='hs-varid'>y</span>
<a name="line-504"></a> <span class='hs-varid'>process</span> <span class='hs-varid'>x</span>
<a name="line-505"></a>
<a name="line-506"></a> <span class='hs-comment'>-- Given a bytestring of exactly the correct size, grab the value</span>
<a name="line-507"></a> <span class='hs-varid'>process</span> <span class='hs-varid'>bs</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>return</span> <span class='hs-varop'>$!</span> <span class='hs-varid'>wrap</span> <span class='hs-varop'>$!</span> <span class='hs-varid'>inlinePerformIO</span> <span class='hs-varop'>$!</span>
<a name="line-508"></a> <span class='hs-varid'>unsafeUseAsCString</span> <span class='hs-varid'>bs</span> <span class='hs-layout'>(</span><span class='hs-varid'>safePeek</span> <span class='hs-varid'>undefined</span> <span class='hs-varop'>.</span> <span class='hs-varid'>castPtr</span><span class='hs-layout'>)</span>
<a name="line-509"></a>
<a name="line-510"></a> <span class='hs-varid'>safePeek</span> <span class='hs-keyglyph'>::</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Ptr</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IO</span> <span class='hs-varid'>a</span>
<a name="line-511"></a><span class='hs-cpp'>#ifdef ALLOW_UNALIGNED_ACCESS</span>
<a name="line-512"></a> <span class='hs-varid'>safePeek</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>peek</span>
<a name="line-513"></a><span class='hs-cpp'>#else</span>
<a name="line-514"></a> <span class='hs-varid'>safePeek</span> <span class='hs-varid'>val</span> <span class='hs-varid'>ptr</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>alloca</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>\</span><span class='hs-varid'>t</span> <span class='hs-keyglyph'>-></span> <span class='hs-varid'>copyBytes</span> <span class='hs-varid'>t</span> <span class='hs-varid'>ptr</span> <span class='hs-layout'>(</span><span class='hs-varid'>sizeOf</span> <span class='hs-varid'>val</span><span class='hs-layout'>)</span> <span class='hs-varop'>>></span> <span class='hs-varid'>peek</span> <span class='hs-varid'>t</span><span class='hs-layout'>)</span>
<a name="line-515"></a><span class='hs-cpp'>#endif</span>
<a name="line-516"></a><span class='hs-comment'>{-# INLINE sinkStorableHelper #-}</span>
<a name="line-517"></a>
<a name="line-518"></a><a name="SinkStorableException"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>SinkStorableException</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>SinkStorableInsufficientBytes</span>
<a name="line-519"></a> <span class='hs-keyword'>deriving</span> <span class='hs-layout'>(</span><span class='hs-conid'>Show</span><span class='hs-layout'>,</span> <span class='hs-conid'>Typeable</span><span class='hs-layout'>)</span>
<a name="line-520"></a><a name="instance%20Exception%20SinkStorableException"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>Exception</span> <span class='hs-conid'>SinkStorableException</span>
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