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<title>module Rack::Mime - rack-2.2.8 Documentation</title>
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<h3>Methods</h3>
<ul class="link-list" role="directory">
<li ><a href="#method-c-match-3F">::match?</a>
<li ><a href="#method-c-mime_type">::mime_type</a>
<li ><a href="#method-i-match-3F">#match?</a>
<li ><a href="#method-i-mime_type">#mime_type</a>
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<main role="main" aria-labelledby="module-Rack::Mime">
<h1 id="module-Rack::Mime" class="module">
module Rack::Mime
</h1>
<section class="description">
</section>
<section id="5Buntitled-5D" class="documentation-section">
<section class="constants-list">
<header>
<h3>Constants</h3>
</header>
<dl>
<dt id="MIME_TYPES">MIME_TYPES
<dd><p>List of most common mime-types, selected various sources according to their usefulness in a webserving scope for Ruby users.</p>
<p>To amend this list with your local mime.types list you can use:</p>
<pre class="ruby"><span class="ruby-identifier">require</span> <span class="ruby-string">'webrick/httputils'</span>
<span class="ruby-identifier">list</span> = <span class="ruby-constant">WEBrick</span><span class="ruby-operator">::</span><span class="ruby-constant">HTTPUtils</span>.<span class="ruby-identifier">load_mime_types</span>(<span class="ruby-string">'/etc/mime.types'</span>)
<span class="ruby-constant">Rack</span><span class="ruby-operator">::</span><span class="ruby-constant">Mime</span><span class="ruby-operator">::</span><span class="ruby-constant">MIME_TYPES</span>.<span class="ruby-identifier">merge!</span>(<span class="ruby-identifier">list</span>)
</pre>
<p>N.B. On Ubuntu the mime.types file does not include the leading period, so users may need to modify the data before merging into the hash.</p>
</dl>
</section>
<section id="public-class-5Buntitled-5D-method-details" class="method-section">
<header>
<h3>Public Class Methods</h3>
</header>
<div id="method-c-match-3F" class="method-detail ">
<div class="method-heading">
<span class="method-name">match?</span><span
class="method-args">(value, matcher)</span>
<span class="method-click-advice">click to toggle source</span>
</div>
<div class="method-description">
<p>Returns true if the given value is a mime match for the given mime match specification, false otherwise.</p>
<pre>Rack::Mime.match?('text/html', 'text/*') => true
Rack::Mime.match?('text/plain', '*') => true
Rack::Mime.match?('text/html', 'application/json') => false</pre>
<div class="method-source-code" id="match-3F-source">
<pre><span class="ruby-comment"># File lib/rack/mime.rb, line 30</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">match?</span>(<span class="ruby-identifier">value</span>, <span class="ruby-identifier">matcher</span>)
<span class="ruby-identifier">v1</span>, <span class="ruby-identifier">v2</span> = <span class="ruby-identifier">value</span>.<span class="ruby-identifier">split</span>(<span class="ruby-string">'/'</span>, <span class="ruby-value">2</span>)
<span class="ruby-identifier">m1</span>, <span class="ruby-identifier">m2</span> = <span class="ruby-identifier">matcher</span>.<span class="ruby-identifier">split</span>(<span class="ruby-string">'/'</span>, <span class="ruby-value">2</span>)
(<span class="ruby-identifier">m1</span> <span class="ruby-operator">==</span> <span class="ruby-string">'*'</span> <span class="ruby-operator">||</span> <span class="ruby-identifier">v1</span> <span class="ruby-operator">==</span> <span class="ruby-identifier">m1</span>) <span class="ruby-operator">&&</span> (<span class="ruby-identifier">m2</span>.<span class="ruby-identifier">nil?</span> <span class="ruby-operator">||</span> <span class="ruby-identifier">m2</span> <span class="ruby-operator">==</span> <span class="ruby-string">'*'</span> <span class="ruby-operator">||</span> <span class="ruby-identifier">m2</span> <span class="ruby-operator">==</span> <span class="ruby-identifier">v2</span>)
<span class="ruby-keyword">end</span></pre>
</div>
</div>
</div>
<div id="method-c-mime_type" class="method-detail ">
<div class="method-heading">
<span class="method-name">mime_type</span><span
class="method-args">(ext, fallback = 'application/octet-stream')</span>
<span class="method-click-advice">click to toggle source</span>
</div>
<div class="method-description">
<p>Returns String with mime type if found, otherwise use <code>fallback</code>. <code>ext</code> should be filename extension in the '.ext' format that</p>
<pre>File.extname(file) returns.</pre>
<p><code>fallback</code> may be any object</p>
<p>Also see the documentation for <a href="Mime.html#MIME_TYPES"><code>MIME_TYPES</code></a></p>
<p>Usage:</p>
<pre class="ruby"><span class="ruby-constant">Rack</span><span class="ruby-operator">::</span><span class="ruby-constant">Mime</span>.<span class="ruby-identifier">mime_type</span>(<span class="ruby-string">'.foo'</span>)
</pre>
<p>This is a shortcut for:</p>
<pre class="ruby"><span class="ruby-constant">Rack</span><span class="ruby-operator">::</span><span class="ruby-constant">Mime</span><span class="ruby-operator">::</span><span class="ruby-constant">MIME_TYPES</span>.<span class="ruby-identifier">fetch</span>(<span class="ruby-string">'.foo'</span>, <span class="ruby-string">'application/octet-stream'</span>)
</pre>
<div class="method-source-code" id="mime_type-source">
<pre><span class="ruby-comment"># File lib/rack/mime.rb, line 18</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">mime_type</span>(<span class="ruby-identifier">ext</span>, <span class="ruby-identifier">fallback</span> = <span class="ruby-string">'application/octet-stream'</span>)
<span class="ruby-constant">MIME_TYPES</span>.<span class="ruby-identifier">fetch</span>(<span class="ruby-identifier">ext</span>.<span class="ruby-identifier">to_s</span>.<span class="ruby-identifier">downcase</span>, <span class="ruby-identifier">fallback</span>)
<span class="ruby-keyword">end</span></pre>
</div>
</div>
</div>
</section>
<section id="private-instance-5Buntitled-5D-method-details" class="method-section">
<header>
<h3>Private Instance Methods</h3>
</header>
<div id="method-i-match-3F" class="method-detail ">
<div class="method-heading">
<span class="method-name">match?</span><span
class="method-args">(value, matcher)</span>
<span class="method-click-advice">click to toggle source</span>
</div>
<div class="method-description">
<p>Returns true if the given value is a mime match for the given mime match specification, false otherwise.</p>
<pre>Rack::Mime.match?('text/html', 'text/*') => true
Rack::Mime.match?('text/plain', '*') => true
Rack::Mime.match?('text/html', 'application/json') => false</pre>
<div class="method-source-code" id="match-3F-source">
<pre><span class="ruby-comment"># File lib/rack/mime.rb, line 30</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">match?</span>(<span class="ruby-identifier">value</span>, <span class="ruby-identifier">matcher</span>)
<span class="ruby-identifier">v1</span>, <span class="ruby-identifier">v2</span> = <span class="ruby-identifier">value</span>.<span class="ruby-identifier">split</span>(<span class="ruby-string">'/'</span>, <span class="ruby-value">2</span>)
<span class="ruby-identifier">m1</span>, <span class="ruby-identifier">m2</span> = <span class="ruby-identifier">matcher</span>.<span class="ruby-identifier">split</span>(<span class="ruby-string">'/'</span>, <span class="ruby-value">2</span>)
(<span class="ruby-identifier">m1</span> <span class="ruby-operator">==</span> <span class="ruby-string">'*'</span> <span class="ruby-operator">||</span> <span class="ruby-identifier">v1</span> <span class="ruby-operator">==</span> <span class="ruby-identifier">m1</span>) <span class="ruby-operator">&&</span> (<span class="ruby-identifier">m2</span>.<span class="ruby-identifier">nil?</span> <span class="ruby-operator">||</span> <span class="ruby-identifier">m2</span> <span class="ruby-operator">==</span> <span class="ruby-string">'*'</span> <span class="ruby-operator">||</span> <span class="ruby-identifier">m2</span> <span class="ruby-operator">==</span> <span class="ruby-identifier">v2</span>)
<span class="ruby-keyword">end</span></pre>
</div>
</div>
</div>
<div id="method-i-mime_type" class="method-detail ">
<div class="method-heading">
<span class="method-name">mime_type</span><span
class="method-args">(ext, fallback = 'application/octet-stream')</span>
<span class="method-click-advice">click to toggle source</span>
</div>
<div class="method-description">
<p>Returns String with mime type if found, otherwise use <code>fallback</code>. <code>ext</code> should be filename extension in the '.ext' format that</p>
<pre>File.extname(file) returns.</pre>
<p><code>fallback</code> may be any object</p>
<p>Also see the documentation for <a href="Mime.html#MIME_TYPES"><code>MIME_TYPES</code></a></p>
<p>Usage:</p>
<pre class="ruby"><span class="ruby-constant">Rack</span><span class="ruby-operator">::</span><span class="ruby-constant">Mime</span>.<span class="ruby-identifier">mime_type</span>(<span class="ruby-string">'.foo'</span>)
</pre>
<p>This is a shortcut for:</p>
<pre class="ruby"><span class="ruby-constant">Rack</span><span class="ruby-operator">::</span><span class="ruby-constant">Mime</span><span class="ruby-operator">::</span><span class="ruby-constant">MIME_TYPES</span>.<span class="ruby-identifier">fetch</span>(<span class="ruby-string">'.foo'</span>, <span class="ruby-string">'application/octet-stream'</span>)
</pre>
<div class="method-source-code" id="mime_type-source">
<pre><span class="ruby-comment"># File lib/rack/mime.rb, line 18</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">mime_type</span>(<span class="ruby-identifier">ext</span>, <span class="ruby-identifier">fallback</span> = <span class="ruby-string">'application/octet-stream'</span>)
<span class="ruby-constant">MIME_TYPES</span>.<span class="ruby-identifier">fetch</span>(<span class="ruby-identifier">ext</span>.<span class="ruby-identifier">to_s</span>.<span class="ruby-identifier">downcase</span>, <span class="ruby-identifier">fallback</span>)
<span class="ruby-keyword">end</span></pre>
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