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<title>src/Text/XML/HXT/Arrow/LibHTTPInput.hs</title>
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<pre><a name="line-1"></a><span class='hs-comment'>-- ------------------------------------------------------------</span>
<a name="line-2"></a>
<a name="line-3"></a><span class='hs-comment'>{- |
<a name="line-4"></a> Module : Text.XML.HXT.Arrow.LibCurlInput
<a name="line-5"></a> Copyright : Copyright (C) 2005 Uwe Schmidt
<a name="line-6"></a> License : MIT
<a name="line-7"></a>
<a name="line-8"></a> Maintainer : Uwe Schmidt (uwe@fh-wedel.de)
<a name="line-9"></a> Stability : experimental
<a name="line-10"></a> Portability: portable
<a name="line-11"></a>
<a name="line-12"></a> libcurl input
<a name="line-13"></a>-}</span>
<a name="line-14"></a>
<a name="line-15"></a><span class='hs-comment'>-- ------------------------------------------------------------</span>
<a name="line-16"></a>
<a name="line-17"></a><span class='hs-keyword'>module</span> <span class='hs-conid'>Text</span><span class='hs-varop'>.</span><span class='hs-conid'>XML</span><span class='hs-varop'>.</span><span class='hs-conid'>HXT</span><span class='hs-varop'>.</span><span class='hs-conid'>Arrow</span><span class='hs-varop'>.</span><span class='hs-conid'>LibHTTPInput</span>
<a name="line-18"></a> <span class='hs-layout'>(</span> <span class='hs-varid'>getHTTPNativeContents</span>
<a name="line-19"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>withHTTP</span>
<a name="line-20"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>httpOptions</span>
<a name="line-21"></a> <span class='hs-layout'>)</span>
<a name="line-22"></a><span class='hs-keyword'>where</span>
<a name="line-23"></a>
<a name="line-24"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Control</span><span class='hs-varop'>.</span><span class='hs-conid'>Arrow</span>
<a name="line-25"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Control</span><span class='hs-varop'>.</span><span class='hs-conid'>Arrow</span><span class='hs-varop'>.</span><span class='hs-conid'>ArrowIO</span>
<a name="line-26"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Control</span><span class='hs-varop'>.</span><span class='hs-conid'>Arrow</span><span class='hs-varop'>.</span><span class='hs-conid'>ArrowList</span>
<a name="line-27"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Control</span><span class='hs-varop'>.</span><span class='hs-conid'>Arrow</span><span class='hs-varop'>.</span><span class='hs-conid'>ArrowTree</span>
<a name="line-28"></a>
<a name="line-29"></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'>B</span>
<a name="line-30"></a><span class='hs-comment'>-- import qualified Data.ByteString.Lazy.Char8 as C</span>
<a name="line-31"></a>
<a name="line-32"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>System</span><span class='hs-varop'>.</span><span class='hs-conid'>Console</span><span class='hs-varop'>.</span><span class='hs-conid'>GetOpt</span>
<a name="line-33"></a>
<a name="line-34"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Text</span><span class='hs-varop'>.</span><span class='hs-conid'>XML</span><span class='hs-varop'>.</span><span class='hs-conid'>HXT</span><span class='hs-varop'>.</span><span class='hs-conid'>Arrow</span><span class='hs-varop'>.</span><span class='hs-conid'>DocumentInput</span> <span class='hs-layout'>(</span><span class='hs-varid'>addInputError</span><span class='hs-layout'>)</span>
<a name="line-35"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Text</span><span class='hs-varop'>.</span><span class='hs-conid'>XML</span><span class='hs-varop'>.</span><span class='hs-conid'>HXT</span><span class='hs-varop'>.</span><span class='hs-conid'>IO</span><span class='hs-varop'>.</span><span class='hs-conid'>GetHTTPNative</span> <span class='hs-layout'>(</span><span class='hs-varid'>getCont</span><span class='hs-layout'>)</span>
<a name="line-36"></a>
<a name="line-37"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Text</span><span class='hs-varop'>.</span><span class='hs-conid'>XML</span><span class='hs-varop'>.</span><span class='hs-conid'>HXT</span><span class='hs-varop'>.</span><span class='hs-conid'>DOM</span><span class='hs-varop'>.</span><span class='hs-conid'>Interface</span>
<a name="line-38"></a>
<a name="line-39"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Text</span><span class='hs-varop'>.</span><span class='hs-conid'>XML</span><span class='hs-varop'>.</span><span class='hs-conid'>HXT</span><span class='hs-varop'>.</span><span class='hs-conid'>Arrow</span><span class='hs-varop'>.</span><span class='hs-conid'>XmlArrow</span>
<a name="line-40"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Text</span><span class='hs-varop'>.</span><span class='hs-conid'>XML</span><span class='hs-varop'>.</span><span class='hs-conid'>HXT</span><span class='hs-varop'>.</span><span class='hs-conid'>Arrow</span><span class='hs-varop'>.</span><span class='hs-conid'>XmlState</span>
<a name="line-41"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Text</span><span class='hs-varop'>.</span><span class='hs-conid'>XML</span><span class='hs-varop'>.</span><span class='hs-conid'>HXT</span><span class='hs-varop'>.</span><span class='hs-conid'>Arrow</span><span class='hs-varop'>.</span><span class='hs-conid'>XmlState</span><span class='hs-varop'>.</span><span class='hs-conid'>TypeDefs</span>
<a name="line-42"></a>
<a name="line-43"></a><span class='hs-comment'>-- ----------------------------------------------------------</span>
<a name="line-44"></a>
<a name="line-45"></a><a name="getHTTPNativeContents"></a><span class='hs-definition'>getHTTPNativeContents</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>IOSArrow</span> <span class='hs-conid'>XmlTree</span> <span class='hs-conid'>XmlTree</span>
<a name="line-46"></a><span class='hs-definition'>getHTTPNativeContents</span>
<a name="line-47"></a> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>getC</span>
<a name="line-48"></a> <span class='hs-varop'>$<<</span>
<a name="line-49"></a> <span class='hs-layout'>(</span> <span class='hs-varid'>getAttrValue</span> <span class='hs-varid'>transferURI</span>
<a name="line-50"></a> <span class='hs-varop'>&&&</span>
<a name="line-51"></a> <span class='hs-varid'>getSysVar</span> <span class='hs-layout'>(</span><span class='hs-varid'>theInputOptions</span> <span class='hs-varop'>.&&&.</span>
<a name="line-52"></a> <span class='hs-varid'>theProxy</span> <span class='hs-varop'>.&&&.</span>
<a name="line-53"></a> <span class='hs-varid'>theStrictInput</span> <span class='hs-varop'>.&&&.</span>
<a name="line-54"></a> <span class='hs-varid'>theRedirect</span>
<a name="line-55"></a> <span class='hs-layout'>)</span>
<a name="line-56"></a> <span class='hs-layout'>)</span>
<a name="line-57"></a> <span class='hs-keyword'>where</span>
<a name="line-58"></a> <span class='hs-varid'>getC</span> <span class='hs-varid'>uri</span> <span class='hs-layout'>(</span><span class='hs-varid'>options</span><span class='hs-layout'>,</span> <span class='hs-layout'>(</span><span class='hs-varid'>proxy</span><span class='hs-layout'>,</span> <span class='hs-layout'>(</span><span class='hs-varid'>strictInput</span><span class='hs-layout'>,</span> <span class='hs-varid'>redirect</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-59"></a> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>applyA</span> <span class='hs-layout'>(</span> <span class='hs-layout'>(</span> <span class='hs-varid'>traceMsg</span> <span class='hs-num'>2</span> <span class='hs-layout'>(</span> <span class='hs-str'>"get HTTP via native HTTP interface, uri="</span> <span class='hs-varop'>++</span> <span class='hs-varid'>show</span> <span class='hs-varid'>uri</span> <span class='hs-varop'>++</span> <span class='hs-str'>" options="</span> <span class='hs-varop'>++</span> <span class='hs-varid'>show</span> <span class='hs-varid'>options</span> <span class='hs-layout'>)</span>
<a name="line-60"></a> <span class='hs-varop'>>>></span>
<a name="line-61"></a> <span class='hs-varid'>arrIO0</span> <span class='hs-layout'>(</span><span class='hs-varid'>getCont</span> <span class='hs-varid'>strictInput</span> <span class='hs-varid'>proxy</span> <span class='hs-varid'>uri</span> <span class='hs-varid'>redirect</span> <span class='hs-varid'>options</span><span class='hs-layout'>)</span>
<a name="line-62"></a> <span class='hs-layout'>)</span>
<a name="line-63"></a> <span class='hs-varop'>>>></span>
<a name="line-64"></a> <span class='hs-layout'>(</span> <span class='hs-varid'>arr</span> <span class='hs-layout'>(</span><span class='hs-varid'>uncurry</span> <span class='hs-varid'>addInputError</span><span class='hs-layout'>)</span>
<a name="line-65"></a> <span class='hs-varop'>|||</span>
<a name="line-66"></a> <span class='hs-varid'>arr</span> <span class='hs-varid'>addContent</span>
<a name="line-67"></a> <span class='hs-layout'>)</span>
<a name="line-68"></a> <span class='hs-layout'>)</span>
<a name="line-69"></a>
<a name="line-70"></a><a name="addContent"></a><span class='hs-definition'>addContent</span> <span class='hs-keyglyph'>::</span> <span class='hs-layout'>(</span><span class='hs-conid'>Attributes</span><span class='hs-layout'>,</span> <span class='hs-conid'>B</span><span class='hs-varop'>.</span><span class='hs-conid'>ByteString</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>IOSArrow</span> <span class='hs-conid'>XmlTree</span> <span class='hs-conid'>XmlTree</span>
<a name="line-71"></a><span class='hs-definition'>addContent</span> <span class='hs-layout'>(</span><span class='hs-varid'>al</span><span class='hs-layout'>,</span> <span class='hs-varid'>bc</span><span class='hs-layout'>)</span>
<a name="line-72"></a> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>replaceChildren</span> <span class='hs-layout'>(</span><span class='hs-varid'>blb</span> <span class='hs-varid'>bc</span><span class='hs-layout'>)</span> <span class='hs-comment'>-- add the contents</span>
<a name="line-73"></a> <span class='hs-varop'>>>></span>
<a name="line-74"></a> <span class='hs-varid'>seqA</span> <span class='hs-layout'>(</span><span class='hs-varid'>map</span> <span class='hs-layout'>(</span><span class='hs-varid'>uncurry</span> <span class='hs-varid'>addAttr</span><span class='hs-layout'>)</span> <span class='hs-varid'>al</span><span class='hs-layout'>)</span> <span class='hs-comment'>-- add the meta info (HTTP headers, ...)</span>
<a name="line-75"></a>
<a name="line-76"></a><span class='hs-comment'>-- ------------------------------------------------------------</span>
<a name="line-77"></a>
<a name="line-78"></a><a name="a_use_http"></a><span class='hs-definition'>a_use_http</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>String</span>
<a name="line-79"></a><span class='hs-definition'>a_use_http</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"use-http"</span>
<a name="line-80"></a>
<a name="line-81"></a><a name="withHTTP"></a><span class='hs-definition'>withHTTP</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Attributes</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>SysConfig</span>
<a name="line-82"></a><span class='hs-definition'>withHTTP</span> <span class='hs-varid'>httpOpts</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>setS</span> <span class='hs-varid'>theHttpHandler</span> <span class='hs-varid'>getHTTPNativeContents</span>
<a name="line-83"></a> <span class='hs-varop'>>>></span>
<a name="line-84"></a> <span class='hs-varid'>withInputOptions</span> <span class='hs-varid'>httpOpts</span>
<a name="line-85"></a>
<a name="line-86"></a><a name="httpOptions"></a><span class='hs-definition'>httpOptions</span> <span class='hs-keyglyph'>::</span> <span class='hs-keyglyph'>[</span><span class='hs-conid'>OptDescr</span> <span class='hs-conid'>SysConfig</span><span class='hs-keyglyph'>]</span>
<a name="line-87"></a><span class='hs-definition'>httpOptions</span> <span class='hs-keyglyph'>=</span> <span class='hs-keyglyph'>[</span> <span class='hs-conid'>Option</span> <span class='hs-str'>""</span> <span class='hs-keyglyph'>[</span><span class='hs-varid'>a_use_http</span><span class='hs-keyglyph'>]</span> <span class='hs-layout'>(</span><span class='hs-conid'>NoArg</span> <span class='hs-layout'>(</span><span class='hs-varid'>withHTTP</span> <span class='hs-conid'>[]</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span> <span class='hs-str'>"enable HTTP input with native Haskell HTTP package"</span> <span class='hs-keyglyph'>]</span>
<a name="line-88"></a>
<a name="line-89"></a><span class='hs-comment'>-- ------------------------------------------------------------</span>
<a name="line-90"></a>
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