191 lines
7.4 KiB
HTML
191 lines
7.4 KiB
HTML
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<head>
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<title>Class: Rack::ContentLength</title>
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</head>
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<body>
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<div id="classHeader">
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<table class="header-table">
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<tr class="top-aligned-row">
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<td><strong>Class</strong></td>
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<td class="class-name-in-header">Rack::ContentLength</td>
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</tr>
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<tr class="top-aligned-row">
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<td><strong>In:</strong></td>
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<td>
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<a href="../../files/lib/rack/content_length_rb.html">
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lib/rack/content_length.rb
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</a>
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<br />
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</td>
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</tr>
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<tr class="top-aligned-row">
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<td><strong>Parent:</strong></td>
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<td>
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Object
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</td>
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</tr>
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</table>
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<div id="description">
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<p>
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Sets the Content-Length header on responses with fixed-length bodies.
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</p>
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</div>
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</div>
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<div id="method-list">
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<h3 class="section-bar">Methods</h3>
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<div class="name-list">
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<a href="#M000081">call</a>
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<a href="#M000080">new</a>
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<div id="methods">
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<h3 class="section-bar">Public Class methods</h3>
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<div id="method-M000080" class="method-detail">
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<a name="M000080"></a>
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<div class="method-heading">
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<a href="#M000080" class="method-signature">
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<span class="method-name">new</span><span class="method-args">(app)</span>
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</a>
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</div>
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<div class="method-description">
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<p><a class="source-toggle" href="#"
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onclick="toggleCode('M000080-source');return false;">[Source]</a></p>
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<div class="method-source-code" id="M000080-source">
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<pre>
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<span class="ruby-comment cmt"># File lib/rack/content_length.rb, line 4</span>
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4: <span class="ruby-keyword kw">def</span> <span class="ruby-identifier">initialize</span>(<span class="ruby-identifier">app</span>)
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5: <span class="ruby-ivar">@app</span> = <span class="ruby-identifier">app</span>
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6: <span class="ruby-keyword kw">end</span>
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</pre>
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</div>
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</div>
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</div>
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<h3 class="section-bar">Public Instance methods</h3>
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<div id="method-M000081" class="method-detail">
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<a name="M000081"></a>
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<div class="method-heading">
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<a href="#M000081" class="method-signature">
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<span class="method-name">call</span><span class="method-args">(env)</span>
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</a>
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</div>
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<div class="method-description">
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<p><a class="source-toggle" href="#"
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onclick="toggleCode('M000081-source');return false;">[Source]</a></p>
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<div class="method-source-code" id="M000081-source">
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<pre>
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<span class="ruby-comment cmt"># File lib/rack/content_length.rb, line 8</span>
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8: <span class="ruby-keyword kw">def</span> <span class="ruby-identifier">call</span>(<span class="ruby-identifier">env</span>)
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9: <span class="ruby-identifier">status</span>, <span class="ruby-identifier">headers</span>, <span class="ruby-identifier">body</span> = <span class="ruby-ivar">@app</span>.<span class="ruby-identifier">call</span>(<span class="ruby-identifier">env</span>)
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10: <span class="ruby-identifier">headers</span> = <span class="ruby-constant">Utils</span><span class="ruby-operator">::</span><span class="ruby-constant">HeaderHash</span>.<span class="ruby-identifier">new</span>(<span class="ruby-identifier">headers</span>)
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11:
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12: <span class="ruby-keyword kw">if</span> <span class="ruby-operator">!</span><span class="ruby-constant">Utils</span><span class="ruby-operator">::</span><span class="ruby-constant">STATUS_WITH_NO_ENTITY_BODY</span>.<span class="ruby-identifier">include?</span>(<span class="ruby-identifier">status</span>) <span class="ruby-operator">&&</span>
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13: <span class="ruby-operator">!</span><span class="ruby-identifier">headers</span>[<span class="ruby-value str">'Content-Length'</span>] <span class="ruby-operator">&&</span>
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14: <span class="ruby-operator">!</span><span class="ruby-identifier">headers</span>[<span class="ruby-value str">'Transfer-Encoding'</span>] <span class="ruby-operator">&&</span>
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15: (<span class="ruby-identifier">body</span>.<span class="ruby-identifier">respond_to?</span>(<span class="ruby-identifier">:to_ary</span>) <span class="ruby-operator">||</span> <span class="ruby-identifier">body</span>.<span class="ruby-identifier">respond_to?</span>(<span class="ruby-identifier">:to_str</span>))
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16:
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17: <span class="ruby-identifier">body</span> = [<span class="ruby-identifier">body</span>] <span class="ruby-keyword kw">if</span> <span class="ruby-identifier">body</span>.<span class="ruby-identifier">respond_to?</span>(<span class="ruby-identifier">:to_str</span>) <span class="ruby-comment cmt"># rack 0.4 compat</span>
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18: <span class="ruby-identifier">length</span> = <span class="ruby-identifier">body</span>.<span class="ruby-identifier">to_ary</span>.<span class="ruby-identifier">inject</span>(<span class="ruby-value">0</span>) { <span class="ruby-operator">|</span><span class="ruby-identifier">len</span>, <span class="ruby-identifier">part</span><span class="ruby-operator">|</span> <span class="ruby-identifier">len</span> <span class="ruby-operator">+</span> <span class="ruby-identifier">part</span>.<span class="ruby-identifier">length</span> }
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19: <span class="ruby-identifier">headers</span>[<span class="ruby-value str">'Content-Length'</span>] = <span class="ruby-identifier">length</span>.<span class="ruby-identifier">to_s</span>
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20: <span class="ruby-keyword kw">end</span>
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21:
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22: [<span class="ruby-identifier">status</span>, <span class="ruby-identifier">headers</span>, <span class="ruby-identifier">body</span>]
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23: <span class="ruby-keyword kw">end</span>
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</pre>
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</div>
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</div>
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</div>
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