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<title>class Rack::MediaType - rack-2.2.24 Documentation</title>
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<h3>Parent</h3>
<p class="link">Object
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<h3>Methods</h3>
<ul class="link-list" role="directory">
<li ><a href="#method-c-params">::params</a>
<li ><a href="#method-c-strip_doublequotes">::strip_doublequotes</a>
<li ><a href="#method-c-type">::type</a>
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<h1 id="class-Rack::MediaType" class="class">
class Rack::MediaType
</h1>
<section class="description">
<p><a href="MediaType.html"><code>Rack::MediaType</code></a> parse media type and parameters out of content_type string</p>
</section>
<section id="5Buntitled-5D" class="documentation-section">
<section class="constants-list">
<header>
<h3>Constants</h3>
</header>
<dl>
<dt id="SPLIT_PATTERN">SPLIT_PATTERN
<dd>
</dl>
</section>
<section id="public-class-5Buntitled-5D-method-details" class="method-section">
<header>
<h3>Public Class Methods</h3>
</header>
<div id="method-c-params" class="method-detail ">
<div class="method-heading">
<span class="method-name">params</span><span
class="method-args">(content_type)</span>
<span class="method-click-advice">click to toggle source</span>
</div>
<div class="method-description">
<p>The media type parameters provided in CONTENT_TYPE as a Hash, or an empty Hash if no CONTENT_TYPE or media-type parameters were provided. e.g., when the CONTENT_TYPE is “text/plain;charset=utf-8”, this method responds with the following Hash:</p>
<pre class="ruby">{ <span class="ruby-string">'charset'</span> <span class="ruby-operator">=></span> <span class="ruby-string">'utf-8'</span> }
</pre>
<p>This will pass back parameters with empty strings in the hash if they lack a value (e.g., “text/plain;charset=” will return { 'charset' => '' }, and “text/plain;charset” will return { 'charset' => '' }, similarly to the query params parser (barring the latter case, which returns nil instead)).</p>
<div class="method-source-code" id="params-source">
<pre><span class="ruby-comment"># File lib/rack/media_type.rb, line 35</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">params</span>(<span class="ruby-identifier">content_type</span>)
<span class="ruby-keyword">return</span> {} <span class="ruby-keyword">if</span> <span class="ruby-identifier">content_type</span>.<span class="ruby-identifier">nil?</span>
<span class="ruby-identifier">content_type</span>.<span class="ruby-identifier">split</span>(<span class="ruby-constant">SPLIT_PATTERN</span>)[<span class="ruby-value">1</span><span class="ruby-operator">..</span><span class="ruby-value">-1</span>].<span class="ruby-identifier">each_with_object</span>({}) <span class="ruby-keyword">do</span> <span class="ruby-operator">|</span><span class="ruby-identifier">s</span>, <span class="ruby-identifier">hsh</span><span class="ruby-operator">|</span>
<span class="ruby-identifier">s</span>.<span class="ruby-identifier">strip!</span>
<span class="ruby-identifier">k</span>, <span class="ruby-identifier">v</span> = <span class="ruby-identifier">s</span>.<span class="ruby-identifier">split</span>(<span class="ruby-string">'='</span>, <span class="ruby-value">2</span>)
<span class="ruby-identifier">k</span>.<span class="ruby-identifier">downcase!</span>
<span class="ruby-identifier">hsh</span>[<span class="ruby-identifier">k</span>] = <span class="ruby-identifier">strip_doublequotes</span>(<span class="ruby-identifier">v</span>)
<span class="ruby-keyword">end</span>
<span class="ruby-keyword">end</span></pre>
</div>
</div>
</div>
<div id="method-c-type" class="method-detail ">
<div class="method-heading">
<span class="method-name">type</span><span
class="method-args">(content_type)</span>
<span class="method-click-advice">click to toggle source</span>
</div>
<div class="method-description">
<p>The media type (type/subtype) portion of the CONTENT_TYPE header without any media type parameters. e.g., when CONTENT_TYPE is “text/plain;charset=utf-8”, the media-type is “text/plain”.</p>
<p>For more information on the use of media types in HTTP, see: <a href="http://www.w3.org/Protocols/rfc2616/rfc2616-sec3.html#sec3.7">www.w3.org/Protocols/rfc2616/rfc2616-sec3.html#sec3.7</a></p>
<div class="method-source-code" id="type-source">
<pre><span class="ruby-comment"># File lib/rack/media_type.rb, line 16</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">type</span>(<span class="ruby-identifier">content_type</span>)
<span class="ruby-keyword">return</span> <span class="ruby-keyword">nil</span> <span class="ruby-keyword">unless</span> <span class="ruby-identifier">content_type</span>
<span class="ruby-keyword">if</span> <span class="ruby-identifier">type</span> = <span class="ruby-identifier">content_type</span>.<span class="ruby-identifier">split</span>(<span class="ruby-constant">SPLIT_PATTERN</span>, <span class="ruby-value">2</span>).<span class="ruby-identifier">first</span>
<span class="ruby-identifier">type</span>.<span class="ruby-identifier">rstrip!</span>
<span class="ruby-identifier">type</span>.<span class="ruby-identifier">downcase!</span>
<span class="ruby-identifier">type</span>
<span class="ruby-keyword">end</span>
<span class="ruby-keyword">end</span></pre>
</div>
</div>
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</section>
<section id="private-class-5Buntitled-5D-method-details" class="method-section">
<header>
<h3>Private Class Methods</h3>
</header>
<div id="method-c-strip_doublequotes" class="method-detail ">
<div class="method-heading">
<span class="method-name">strip_doublequotes</span><span
class="method-args">(str)</span>
<span class="method-click-advice">click to toggle source</span>
</div>
<div class="method-description">
<div class="method-source-code" id="strip_doublequotes-source">
<pre><span class="ruby-comment"># File lib/rack/media_type.rb, line 48</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">strip_doublequotes</span>(<span class="ruby-identifier">str</span>)
(<span class="ruby-identifier">str</span> <span class="ruby-operator">&&</span> <span class="ruby-identifier">str</span>.<span class="ruby-identifier">start_with?</span>(<span class="ruby-string">'"'</span>) <span class="ruby-operator">&&</span> <span class="ruby-identifier">str</span>.<span class="ruby-identifier">end_with?</span>(<span class="ruby-string">'"'</span>)) <span class="ruby-operator">?</span> <span class="ruby-identifier">str</span>[<span class="ruby-value">1</span><span class="ruby-operator">..</span><span class="ruby-value">-2</span>] <span class="ruby-operator">:</span> <span class="ruby-identifier">str</span> <span class="ruby-operator">||</span> <span class="ruby-string">''</span>
<span class="ruby-keyword">end</span></pre>
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