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<title>src/URL/Request.hs</title>
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<pre><a name="line-1"></a><span class='hs-keyword'>module</span> <span class='hs-conid'>URL</span><span class='hs-varop'>.</span><span class='hs-conid'>Request</span> <span class='hs-keyword'>where</span>
<a name="line-2"></a>
<a name="line-3"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Map</span> <span class='hs-layout'>(</span> <span class='hs-conid'>Map</span> <span class='hs-layout'>)</span>
<a name="line-4"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>List</span> <span class='hs-layout'>(</span> <span class='hs-varid'>delete</span> <span class='hs-layout'>)</span>
<a name="line-5"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Foreign</span><span class='hs-varop'>.</span><span class='hs-conid'>C</span><span class='hs-varop'>.</span><span class='hs-conid'>Types</span> <span class='hs-layout'>(</span> <span class='hs-conid'>CInt</span> <span class='hs-layout'>)</span>
<a name="line-6"></a>
<a name="line-7"></a><a name="UrlRequest"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>UrlRequest</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>UrlRequest</span> <span class='hs-layout'>{</span> <span class='hs-varid'>url</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span>
<a name="line-8"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>file</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>FilePath</span>
<a name="line-9"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>cachable</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Cachable</span>
<a name="line-10"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>priority</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Priority</span> <span class='hs-layout'>}</span>
<a name="line-11"></a>
<a name="line-12"></a><a name="Cachable"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>Cachable</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Cachable</span> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Uncachable</span> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>MaxAge</span> <span class='hs-varop'>!</span><span class='hs-conid'>CInt</span>
<a name="line-13"></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'>Eq</span><span class='hs-layout'>)</span>
<a name="line-14"></a>
<a name="line-15"></a><a name="UrlState"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>UrlState</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>UrlState</span> <span class='hs-layout'>{</span> <span class='hs-varid'>inProgress</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Map</span> <span class='hs-conid'>String</span> <span class='hs-layout'>(</span> <span class='hs-conid'>FilePath</span>
<a name="line-16"></a> <span class='hs-layout'>,</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>FilePath</span><span class='hs-keyglyph'>]</span>
<a name="line-17"></a> <span class='hs-layout'>,</span> <span class='hs-conid'>Cachable</span> <span class='hs-layout'>)</span>
<a name="line-18"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>waitToStart</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Q</span> <span class='hs-conid'>String</span>
<a name="line-19"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>pipeLength</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Int</span>
<a name="line-20"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>randomJunk</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span> <span class='hs-layout'>}</span>
<a name="line-21"></a>
<a name="line-22"></a><a name="Q"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>Q</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Q</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>a</span><span class='hs-keyglyph'>]</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>a</span><span class='hs-keyglyph'>]</span>
<a name="line-23"></a>
<a name="line-24"></a><a name="readQ"></a><span class='hs-definition'>readQ</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Q</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Maybe</span> <span class='hs-layout'>(</span><span class='hs-varid'>a</span><span class='hs-layout'>,</span> <span class='hs-conid'>Q</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span>
<a name="line-25"></a><span class='hs-definition'>readQ</span> <span class='hs-layout'>(</span><span class='hs-conid'>Q</span> <span class='hs-layout'>(</span><span class='hs-varid'>x</span><span class='hs-conop'>:</span><span class='hs-varid'>xs</span><span class='hs-layout'>)</span> <span class='hs-varid'>ys</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Just</span> <span class='hs-layout'>(</span><span class='hs-varid'>x</span><span class='hs-layout'>,</span> <span class='hs-conid'>Q</span> <span class='hs-varid'>xs</span> <span class='hs-varid'>ys</span><span class='hs-layout'>)</span>
<a name="line-26"></a><span class='hs-definition'>readQ</span> <span class='hs-layout'>(</span><span class='hs-conid'>Q</span> <span class='hs-conid'>[]</span> <span class='hs-varid'>ys</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyword'>do</span> <span class='hs-varid'>x</span><span class='hs-conop'>:</span><span class='hs-varid'>xs</span> <span class='hs-keyglyph'><-</span> <span class='hs-conid'>Just</span> <span class='hs-varop'>$</span> <span class='hs-varid'>reverse</span> <span class='hs-varid'>ys</span>
<a name="line-27"></a> <span class='hs-conid'>Just</span> <span class='hs-layout'>(</span><span class='hs-varid'>x</span><span class='hs-layout'>,</span> <span class='hs-conid'>Q</span> <span class='hs-varid'>xs</span> <span class='hs-conid'>[]</span><span class='hs-layout'>)</span>
<a name="line-28"></a>
<a name="line-29"></a><a name="insertQ"></a><span class='hs-definition'>insertQ</span> <span class='hs-keyglyph'>::</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Q</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Q</span> <span class='hs-varid'>a</span>
<a name="line-30"></a><span class='hs-definition'>insertQ</span> <span class='hs-varid'>y</span> <span class='hs-layout'>(</span><span class='hs-conid'>Q</span> <span class='hs-varid'>xs</span> <span class='hs-varid'>ys</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Q</span> <span class='hs-varid'>xs</span> <span class='hs-layout'>(</span><span class='hs-varid'>y</span><span class='hs-conop'>:</span><span class='hs-varid'>ys</span><span class='hs-layout'>)</span>
<a name="line-31"></a>
<a name="line-32"></a><a name="pushQ"></a><span class='hs-definition'>pushQ</span> <span class='hs-keyglyph'>::</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Q</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Q</span> <span class='hs-varid'>a</span>
<a name="line-33"></a><span class='hs-definition'>pushQ</span> <span class='hs-varid'>x</span> <span class='hs-layout'>(</span><span class='hs-conid'>Q</span> <span class='hs-varid'>xs</span> <span class='hs-varid'>ys</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Q</span> <span class='hs-layout'>(</span><span class='hs-varid'>x</span><span class='hs-conop'>:</span><span class='hs-varid'>xs</span><span class='hs-layout'>)</span> <span class='hs-varid'>ys</span>
<a name="line-34"></a>
<a name="line-35"></a><a name="deleteQ"></a><span class='hs-definition'>deleteQ</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Eq</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>=></span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Q</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Q</span> <span class='hs-varid'>a</span>
<a name="line-36"></a><span class='hs-definition'>deleteQ</span> <span class='hs-varid'>x</span> <span class='hs-layout'>(</span><span class='hs-conid'>Q</span> <span class='hs-varid'>xs</span> <span class='hs-varid'>ys</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Q</span> <span class='hs-layout'>(</span><span class='hs-varid'>delete</span> <span class='hs-varid'>x</span> <span class='hs-varid'>xs</span><span class='hs-layout'>)</span> <span class='hs-layout'>(</span><span class='hs-varid'>delete</span> <span class='hs-varid'>x</span> <span class='hs-varid'>ys</span><span class='hs-layout'>)</span>
<a name="line-37"></a>
<a name="line-38"></a><a name="elemQ"></a><span class='hs-definition'>elemQ</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Eq</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>=></span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Q</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Bool</span>
<a name="line-39"></a><span class='hs-definition'>elemQ</span> <span class='hs-varid'>x</span> <span class='hs-layout'>(</span><span class='hs-conid'>Q</span> <span class='hs-varid'>xs</span> <span class='hs-varid'>ys</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>x</span> <span class='hs-varop'>`elem`</span> <span class='hs-varid'>xs</span> <span class='hs-varop'>||</span> <span class='hs-varid'>x</span> <span class='hs-varop'>`elem`</span> <span class='hs-varid'>ys</span>
<a name="line-40"></a>
<a name="line-41"></a><a name="emptyQ"></a><span class='hs-definition'>emptyQ</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Q</span> <span class='hs-varid'>a</span>
<a name="line-42"></a><span class='hs-definition'>emptyQ</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Q</span> <span class='hs-conid'>[]</span> <span class='hs-conid'>[]</span>
<a name="line-43"></a>
<a name="line-44"></a><a name="nullQ"></a><span class='hs-definition'>nullQ</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Q</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Bool</span>
<a name="line-45"></a><span class='hs-definition'>nullQ</span> <span class='hs-layout'>(</span><span class='hs-conid'>Q</span> <span class='hs-conid'>[]</span> <span class='hs-conid'>[]</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>True</span>
<a name="line-46"></a><span class='hs-definition'>nullQ</span> <span class='hs-keyword'>_</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>False</span>
<a name="line-47"></a>
<a name="line-48"></a><a name="Priority"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>Priority</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>High</span> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>Low</span> <span class='hs-keyword'>deriving</span> <span class='hs-conid'>Eq</span>
<a name="line-49"></a>
<a name="line-50"></a><a name="ConnectionError"></a><span class='hs-comment'>-- | Data type to represent a connection error.</span>
<a name="line-51"></a><a name="ConnectionError"></a><span class='hs-comment'>-- The following are the codes from libcurl</span>
<a name="line-52"></a><a name="ConnectionError"></a><span class='hs-comment'>-- which map to each of the constructors:</span>
<a name="line-53"></a><a name="ConnectionError"></a><span class='hs-comment'>-- * 6 -> CouldNotResolveHost : The remote host was not resolved.</span>
<a name="line-54"></a><a name="ConnectionError"></a><span class='hs-comment'>-- * 7 -> CouldNotConnectToServer : Failed to connect() to host or proxy.</span>
<a name="line-55"></a><a name="ConnectionError"></a><span class='hs-comment'>-- * 28 -> OperationTimeout: the specified time-out period was reached.</span>
<a name="line-56"></a><a name="ConnectionError"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>ConnectionError</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>CouldNotResolveHost</span> <span class='hs-keyglyph'>|</span>
<a name="line-57"></a> <span class='hs-conid'>CouldNotConnectToServer</span> <span class='hs-keyglyph'>|</span>
<a name="line-58"></a> <span class='hs-conid'>OperationTimeout</span>
<a name="line-59"></a> <span class='hs-keyword'>deriving</span> <span class='hs-layout'>(</span><span class='hs-conid'>Eq</span><span class='hs-layout'>,</span> <span class='hs-conid'>Read</span><span class='hs-layout'>,</span> <span class='hs-conid'>Show</span><span class='hs-layout'>)</span>
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