/usr/share/doc/libghc-http-media-doc/html/src/Network-HTTP-Media-Quality.html is in libghc-http-media-doc 0.6.4-3build5.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 | <?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html>
<head>
<!-- Generated by HsColour, http://code.haskell.org/~malcolm/hscolour/ -->
<title>src/Network/HTTP/Media/Quality.hs</title>
<link type='text/css' rel='stylesheet' href='hscolour.css' />
</head>
<body>
<pre><a name="line-1"></a><span class='hs-comment'>------------------------------------------------------------------------------</span>
<a name="line-2"></a><span class='hs-comment'>-- | Defines the quality value data type.</span>
<a name="line-3"></a><span class='hs-keyword'>module</span> <span class='hs-conid'>Network</span><span class='hs-varop'>.</span><span class='hs-conid'>HTTP</span><span class='hs-varop'>.</span><span class='hs-conid'>Media</span><span class='hs-varop'>.</span><span class='hs-conid'>Quality</span>
<a name="line-4"></a> <span class='hs-layout'>(</span> <span class='hs-conid'>Quality</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span>
<a name="line-5"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>maxQuality</span>
<a name="line-6"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>minQuality</span>
<a name="line-7"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>showQ</span>
<a name="line-8"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>readQ</span>
<a name="line-9"></a> <span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-10"></a>
<a name="line-11"></a><span class='hs-comment'>------------------------------------------------------------------------------</span>
<a name="line-12"></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'>Char8</span> <span class='hs-keyword'>as</span> <span class='hs-conid'>BS</span>
<a name="line-13"></a>
<a name="line-14"></a><span class='hs-comment'>------------------------------------------------------------------------------</span>
<a name="line-15"></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-layout'>(</span><span class='hs-conid'>ByteString</span><span class='hs-layout'>)</span>
<a name="line-16"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Char</span> <span class='hs-layout'>(</span><span class='hs-varid'>isDigit</span><span class='hs-layout'>)</span>
<a name="line-17"></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'>dropWhileEnd</span><span class='hs-layout'>)</span>
<a name="line-18"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Data</span><span class='hs-varop'>.</span><span class='hs-conid'>Monoid</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-19"></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'>Word16</span><span class='hs-layout'>)</span>
<a name="line-20"></a>
<a name="line-21"></a><span class='hs-comment'>------------------------------------------------------------------------------</span>
<a name="line-22"></a><span class='hs-keyword'>import</span> <span class='hs-conid'>Network</span><span class='hs-varop'>.</span><span class='hs-conid'>HTTP</span><span class='hs-varop'>.</span><span class='hs-conid'>Media</span><span class='hs-varop'>.</span><span class='hs-conid'>RenderHeader</span> <span class='hs-layout'>(</span><span class='hs-conid'>RenderHeader</span> <span class='hs-layout'>(</span><span class='hs-keyglyph'>..</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-23"></a>
<a name="line-24"></a><a name="Quality"></a><span class='hs-comment'>------------------------------------------------------------------------------</span>
<a name="line-25"></a><a name="Quality"></a><span class='hs-comment'>-- | Attaches a quality value to data.</span>
<a name="line-26"></a><a name="Quality"></a><span class='hs-keyword'>data</span> <span class='hs-conid'>Quality</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Quality</span>
<a name="line-27"></a> <span class='hs-layout'>{</span> <span class='hs-varid'>qualityData</span> <span class='hs-keyglyph'>::</span> <span class='hs-varid'>a</span>
<a name="line-28"></a> <span class='hs-layout'>,</span> <span class='hs-varid'>qualityValue</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Word16</span>
<a name="line-29"></a> <span class='hs-layout'>}</span> <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'>Ord</span><span class='hs-layout'>)</span>
<a name="line-30"></a>
<a name="line-31"></a><a name="instance%20Show%20(Quality%20a)"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>RenderHeader</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>Show</span> <span class='hs-layout'>(</span><span class='hs-conid'>Quality</span> <span class='hs-varid'>a</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-32"></a> <span class='hs-varid'>show</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>BS</span><span class='hs-varop'>.</span><span class='hs-varid'>unpack</span> <span class='hs-varop'>.</span> <span class='hs-varid'>renderHeader</span>
<a name="line-33"></a>
<a name="line-34"></a><a name="instance%20RenderHeader%20(Quality%20h)"></a><span class='hs-keyword'>instance</span> <span class='hs-conid'>RenderHeader</span> <span class='hs-varid'>h</span> <span class='hs-keyglyph'>=></span> <span class='hs-conid'>RenderHeader</span> <span class='hs-layout'>(</span><span class='hs-conid'>Quality</span> <span class='hs-varid'>h</span><span class='hs-layout'>)</span> <span class='hs-keyword'>where</span>
<a name="line-35"></a> <span class='hs-varid'>renderHeader</span> <span class='hs-layout'>(</span><span class='hs-conid'>Quality</span> <span class='hs-varid'>a</span> <span class='hs-varid'>q</span><span class='hs-layout'>)</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>renderHeader</span> <span class='hs-varid'>a</span> <span class='hs-varop'><></span> <span class='hs-str'>";q="</span> <span class='hs-varop'><></span> <span class='hs-varid'>showQ</span> <span class='hs-varid'>q</span>
<a name="line-36"></a>
<a name="line-37"></a>
<a name="line-38"></a><a name="maxQuality"></a><span class='hs-comment'>------------------------------------------------------------------------------</span>
<a name="line-39"></a><span class='hs-comment'>-- | Attaches the quality value '1'.</span>
<a name="line-40"></a><span class='hs-definition'>maxQuality</span> <span class='hs-keyglyph'>::</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Quality</span> <span class='hs-varid'>a</span>
<a name="line-41"></a><span class='hs-definition'>maxQuality</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>flip</span> <span class='hs-conid'>Quality</span> <span class='hs-num'>1000</span>
<a name="line-42"></a>
<a name="line-43"></a>
<a name="line-44"></a><a name="minQuality"></a><span class='hs-comment'>------------------------------------------------------------------------------</span>
<a name="line-45"></a><span class='hs-comment'>-- | Attaches the quality value '0'.</span>
<a name="line-46"></a><span class='hs-definition'>minQuality</span> <span class='hs-keyglyph'>::</span> <span class='hs-varid'>a</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Quality</span> <span class='hs-varid'>a</span>
<a name="line-47"></a><span class='hs-definition'>minQuality</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>flip</span> <span class='hs-conid'>Quality</span> <span class='hs-num'>0</span>
<a name="line-48"></a>
<a name="line-49"></a>
<a name="line-50"></a><a name="showQ"></a><span class='hs-comment'>------------------------------------------------------------------------------</span>
<a name="line-51"></a><span class='hs-comment'>-- | Converts the integral value into its standard quality representation.</span>
<a name="line-52"></a><span class='hs-definition'>showQ</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>Word16</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>ByteString</span>
<a name="line-53"></a><span class='hs-definition'>showQ</span> <span class='hs-num'>1000</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"1"</span>
<a name="line-54"></a><span class='hs-definition'>showQ</span> <span class='hs-num'>0</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"0"</span>
<a name="line-55"></a><span class='hs-definition'>showQ</span> <span class='hs-varid'>q</span> <span class='hs-keyglyph'>=</span> <span class='hs-str'>"0."</span> <span class='hs-varop'><></span> <span class='hs-conid'>BS</span><span class='hs-varop'>.</span><span class='hs-varid'>replicate</span> <span class='hs-layout'>(</span><span class='hs-num'>3</span> <span class='hs-comment'>-</span> <span class='hs-varid'>length</span> <span class='hs-varid'>s</span><span class='hs-layout'>)</span> <span class='hs-chr'>'0'</span> <span class='hs-varop'><></span> <span class='hs-varid'>b</span>
<a name="line-56"></a> <span class='hs-keyword'>where</span>
<a name="line-57"></a> <span class='hs-varid'>s</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>show</span> <span class='hs-varid'>q</span>
<a name="line-58"></a> <span class='hs-varid'>b</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>BS</span><span class='hs-varop'>.</span><span class='hs-varid'>pack</span> <span class='hs-layout'>(</span><span class='hs-varid'>dropWhileEnd</span> <span class='hs-layout'>(</span><span class='hs-varop'>==</span> <span class='hs-chr'>'0'</span><span class='hs-layout'>)</span> <span class='hs-varid'>s</span><span class='hs-layout'>)</span>
<a name="line-59"></a>
<a name="line-60"></a>
<a name="line-61"></a><a name="readQ"></a><span class='hs-comment'>------------------------------------------------------------------------------</span>
<a name="line-62"></a><span class='hs-comment'>-- | Reads the standard quality representation into an integral value.</span>
<a name="line-63"></a><span class='hs-definition'>readQ</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>ByteString</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Maybe</span> <span class='hs-conid'>Word16</span>
<a name="line-64"></a><span class='hs-definition'>readQ</span> <span class='hs-varid'>bs</span>
<a name="line-65"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>BS</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-conid'>Nothing</span>
<a name="line-66"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>h</span> <span class='hs-varop'>==</span> <span class='hs-chr'>'1'</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>read1</span> <span class='hs-varid'>t</span>
<a name="line-67"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>h</span> <span class='hs-varop'>==</span> <span class='hs-chr'>'0'</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>read0</span> <span class='hs-varid'>t</span>
<a name="line-68"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Nothing</span>
<a name="line-69"></a> <span class='hs-keyword'>where</span>
<a name="line-70"></a> <span class='hs-varid'>h</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>BS</span><span class='hs-varop'>.</span><span class='hs-varid'>head</span> <span class='hs-varid'>bs</span>
<a name="line-71"></a> <span class='hs-varid'>t</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>BS</span><span class='hs-varop'>.</span><span class='hs-varid'>tail</span> <span class='hs-varid'>bs</span>
<a name="line-72"></a>
<a name="line-73"></a><a name="read1"></a><span class='hs-definition'>read1</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>ByteString</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Maybe</span> <span class='hs-conid'>Word16</span>
<a name="line-74"></a><span class='hs-definition'>read1</span> <span class='hs-varid'>bs</span>
<a name="line-75"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>BS</span><span class='hs-varop'>.</span><span class='hs-varid'>null</span> <span class='hs-varid'>bs</span> <span class='hs-varop'>||</span> <span class='hs-varid'>h</span> <span class='hs-varop'>==</span> <span class='hs-chr'>'.'</span> <span class='hs-varop'>&&</span> <span class='hs-conid'>BS</span><span class='hs-varop'>.</span><span class='hs-varid'>length</span> <span class='hs-varid'>t</span> <span class='hs-varop'><</span> <span class='hs-num'>4</span> <span class='hs-varop'>&&</span> <span class='hs-conid'>BS</span><span class='hs-varop'>.</span><span class='hs-varid'>all</span> <span class='hs-layout'>(</span><span class='hs-varop'>==</span> <span class='hs-chr'>'0'</span><span class='hs-layout'>)</span> <span class='hs-varid'>t</span>
<a name="line-76"></a> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Just</span> <span class='hs-num'>1000</span>
<a name="line-77"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Nothing</span>
<a name="line-78"></a> <span class='hs-keyword'>where</span>
<a name="line-79"></a> <span class='hs-varid'>h</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>BS</span><span class='hs-varop'>.</span><span class='hs-varid'>head</span> <span class='hs-varid'>bs</span>
<a name="line-80"></a> <span class='hs-varid'>t</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>BS</span><span class='hs-varop'>.</span><span class='hs-varid'>tail</span> <span class='hs-varid'>bs</span>
<a name="line-81"></a>
<a name="line-82"></a><a name="read0"></a><span class='hs-definition'>read0</span> <span class='hs-keyglyph'>::</span> <span class='hs-conid'>ByteString</span> <span class='hs-keyglyph'>-></span> <span class='hs-conid'>Maybe</span> <span class='hs-conid'>Word16</span>
<a name="line-83"></a><span class='hs-definition'>read0</span> <span class='hs-varid'>bs</span>
<a name="line-84"></a> <span class='hs-keyglyph'>|</span> <span class='hs-conid'>BS</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-conid'>Just</span> <span class='hs-num'>0</span>
<a name="line-85"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>h</span> <span class='hs-varop'>==</span> <span class='hs-chr'>'.'</span> <span class='hs-varop'>&&</span> <span class='hs-conid'>BS</span><span class='hs-varop'>.</span><span class='hs-varid'>length</span> <span class='hs-varid'>t</span> <span class='hs-varop'><</span> <span class='hs-num'>4</span> <span class='hs-varop'>&&</span> <span class='hs-conid'>BS</span><span class='hs-varop'>.</span><span class='hs-varid'>all</span> <span class='hs-varid'>isDigit</span> <span class='hs-varid'>t</span>
<a name="line-86"></a> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Just</span> <span class='hs-layout'>(</span><span class='hs-varid'>toWord</span> <span class='hs-layout'>(</span><span class='hs-varid'>t</span> <span class='hs-varop'><></span> <span class='hs-conid'>BS</span><span class='hs-varop'>.</span><span class='hs-varid'>replicate</span> <span class='hs-layout'>(</span><span class='hs-num'>3</span> <span class='hs-comment'>-</span> <span class='hs-conid'>BS</span><span class='hs-varop'>.</span><span class='hs-varid'>length</span> <span class='hs-varid'>t</span><span class='hs-layout'>)</span> <span class='hs-chr'>'0'</span><span class='hs-layout'>)</span><span class='hs-layout'>)</span>
<a name="line-87"></a> <span class='hs-keyglyph'>|</span> <span class='hs-varid'>otherwise</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>Nothing</span>
<a name="line-88"></a> <span class='hs-keyword'>where</span>
<a name="line-89"></a> <span class='hs-varid'>h</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>BS</span><span class='hs-varop'>.</span><span class='hs-varid'>head</span> <span class='hs-varid'>bs</span>
<a name="line-90"></a> <span class='hs-varid'>t</span> <span class='hs-keyglyph'>=</span> <span class='hs-conid'>BS</span><span class='hs-varop'>.</span><span class='hs-varid'>tail</span> <span class='hs-varid'>bs</span>
<a name="line-91"></a> <span class='hs-varid'>toWord</span> <span class='hs-keyglyph'>=</span> <span class='hs-varid'>read</span> <span class='hs-varop'>.</span> <span class='hs-conid'>BS</span><span class='hs-varop'>.</span><span class='hs-varid'>unpack</span>
</pre></body>
</html>
|