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<title>class Rack::Multipart::Parser - rack-2.2.8 Documentation</title>
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<!-- Method Quickref -->
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<h3>Methods</h3>
<ul class="link-list" role="directory">
<li ><a href="#method-c-new">::new</a>
<li ><a href="#method-c-parse">::parse</a>
<li ><a href="#method-c-parse_boundary">::parse_boundary</a>
<li ><a href="#method-i-consume_boundary">#consume_boundary</a>
<li ><a href="#method-i-full_boundary">#full_boundary</a>
<li ><a href="#method-i-get_filename">#get_filename</a>
<li ><a href="#method-i-handle_consume_token">#handle_consume_token</a>
<li ><a href="#method-i-handle_empty_content-21">#handle_empty_content!</a>
<li ><a href="#method-i-handle_fast_forward">#handle_fast_forward</a>
<li ><a href="#method-i-handle_mime_body">#handle_mime_body</a>
<li ><a href="#method-i-handle_mime_head">#handle_mime_head</a>
<li ><a href="#method-i-on_read">#on_read</a>
<li ><a href="#method-i-result">#result</a>
<li ><a href="#method-i-run_parser">#run_parser</a>
<li ><a href="#method-i-tag_multipart_encoding">#tag_multipart_encoding</a>
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<main role="main" aria-labelledby="class-Rack::Multipart::Parser">
<h1 id="class-Rack::Multipart::Parser" class="class">
class Rack::Multipart::Parser
</h1>
<section class="description">
</section>
<section id="5Buntitled-5D" class="documentation-section">
<section class="constants-list">
<header>
<h3>Constants</h3>
</header>
<dl>
<dt id="BOUNDARY_REGEX">BOUNDARY_REGEX
<dd>
<dt id="BUFSIZE">BUFSIZE
<dd>
<dt id="CHARSET">CHARSET
<dd>
<dt id="EMPTY">EMPTY
<dd>
<dt id="MultipartInfo">MultipartInfo
<dd>
<dt id="TEMPFILE_FACTORY">TEMPFILE_FACTORY
<dd>
<dt id="TEXT_PLAIN">TEXT_PLAIN
<dd>
</dl>
</section>
<section class="attribute-method-details" class="method-section">
<header>
<h3>Attributes</h3>
</header>
<div id="attribute-i-state" class="method-detail">
<div class="method-heading attribute-method-heading">
<span class="method-name">state</span><span
class="attribute-access-type">[R]</span>
</div>
<div class="method-description">
</div>
</div>
</section>
<section id="public-class-5Buntitled-5D-method-details" class="method-section">
<header>
<h3>Public Class Methods</h3>
</header>
<div id="method-c-new" class="method-detail ">
<div class="method-heading">
<span class="method-name">new</span><span
class="method-args">(boundary, tempfile, bufsize, query_parser)</span>
<span class="method-click-advice">click to toggle source</span>
</div>
<div class="method-description">
<div class="method-source-code" id="new-source">
<pre><span class="ruby-comment"># File lib/rack/multipart/parser.rb, line 180</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">initialize</span>(<span class="ruby-identifier">boundary</span>, <span class="ruby-identifier">tempfile</span>, <span class="ruby-identifier">bufsize</span>, <span class="ruby-identifier">query_parser</span>)
<span class="ruby-ivar">@query_parser</span> = <span class="ruby-identifier">query_parser</span>
<span class="ruby-ivar">@params</span> = <span class="ruby-identifier">query_parser</span>.<span class="ruby-identifier">make_params</span>
<span class="ruby-ivar">@boundary</span> = <span class="ruby-node">"--#{boundary}"</span>
<span class="ruby-ivar">@bufsize</span> = <span class="ruby-identifier">bufsize</span>
<span class="ruby-ivar">@full_boundary</span> = <span class="ruby-ivar">@boundary</span>
<span class="ruby-ivar">@end_boundary</span> = <span class="ruby-ivar">@boundary</span> <span class="ruby-operator">+</span> <span class="ruby-string">'--'</span>
<span class="ruby-ivar">@state</span> = <span class="ruby-value">:FAST_FORWARD</span>
<span class="ruby-ivar">@mime_index</span> = <span class="ruby-value">0</span>
<span class="ruby-ivar">@collector</span> = <span class="ruby-constant">Collector</span>.<span class="ruby-identifier">new</span> <span class="ruby-identifier">tempfile</span>
<span class="ruby-ivar">@sbuf</span> = <span class="ruby-constant">StringScanner</span>.<span class="ruby-identifier">new</span>(<span class="ruby-string">""</span>.<span class="ruby-identifier">dup</span>)
<span class="ruby-ivar">@body_regex</span> = <span class="ruby-regexp">/(?:#{EOL})?#{Regexp.quote(@boundary)}(?:#{EOL}|--)/m</span>
<span class="ruby-ivar">@rx_max_size</span> = <span class="ruby-constant">EOL</span>.<span class="ruby-identifier">size</span> <span class="ruby-operator">+</span> <span class="ruby-ivar">@boundary</span>.<span class="ruby-identifier">bytesize</span> <span class="ruby-operator">+</span> [<span class="ruby-constant">EOL</span>.<span class="ruby-identifier">size</span>, <span class="ruby-string">'--'</span>.<span class="ruby-identifier">size</span>].<span class="ruby-identifier">max</span>
<span class="ruby-ivar">@head_regex</span> = <span class="ruby-regexp">/(.*?#{EOL})#{EOL}/m</span>
<span class="ruby-keyword">end</span></pre>
</div>
</div>
</div>
<div id="method-c-parse" class="method-detail ">
<div class="method-heading">
<span class="method-name">parse</span><span
class="method-args">(io, content_length, content_type, tmpfile, bufsize, qp)</span>
<span class="method-click-advice">click to toggle source</span>
</div>
<div class="method-description">
<div class="method-source-code" id="parse-source">
<pre><span class="ruby-comment"># File lib/rack/multipart/parser.rb, line 66</span>
<span class="ruby-keyword">def</span> <span class="ruby-keyword">self</span>.<span class="ruby-identifier ruby-title">parse</span>(<span class="ruby-identifier">io</span>, <span class="ruby-identifier">content_length</span>, <span class="ruby-identifier">content_type</span>, <span class="ruby-identifier">tmpfile</span>, <span class="ruby-identifier">bufsize</span>, <span class="ruby-identifier">qp</span>)
<span class="ruby-keyword">return</span> <span class="ruby-constant">EMPTY</span> <span class="ruby-keyword">if</span> <span class="ruby-value">0</span> <span class="ruby-operator">==</span> <span class="ruby-identifier">content_length</span>
<span class="ruby-identifier">boundary</span> = <span class="ruby-identifier">parse_boundary</span> <span class="ruby-identifier">content_type</span>
<span class="ruby-keyword">return</span> <span class="ruby-constant">EMPTY</span> <span class="ruby-keyword">unless</span> <span class="ruby-identifier">boundary</span>
<span class="ruby-identifier">io</span> = <span class="ruby-constant">BoundedIO</span>.<span class="ruby-identifier">new</span>(<span class="ruby-identifier">io</span>, <span class="ruby-identifier">content_length</span>) <span class="ruby-keyword">if</span> <span class="ruby-identifier">content_length</span>
<span class="ruby-identifier">outbuf</span> = <span class="ruby-constant">String</span>.<span class="ruby-identifier">new</span>
<span class="ruby-identifier">parser</span> = <span class="ruby-identifier">new</span>(<span class="ruby-identifier">boundary</span>, <span class="ruby-identifier">tmpfile</span>, <span class="ruby-identifier">bufsize</span>, <span class="ruby-identifier">qp</span>)
<span class="ruby-identifier">parser</span>.<span class="ruby-identifier">on_read</span> <span class="ruby-identifier">io</span>.<span class="ruby-identifier">read</span>(<span class="ruby-identifier">bufsize</span>, <span class="ruby-identifier">outbuf</span>)
<span class="ruby-identifier">loop</span> <span class="ruby-keyword">do</span>
<span class="ruby-keyword">break</span> <span class="ruby-keyword">if</span> <span class="ruby-identifier">parser</span>.<span class="ruby-identifier">state</span> <span class="ruby-operator">==</span> <span class="ruby-value">:DONE</span>
<span class="ruby-identifier">parser</span>.<span class="ruby-identifier">on_read</span> <span class="ruby-identifier">io</span>.<span class="ruby-identifier">read</span>(<span class="ruby-identifier">bufsize</span>, <span class="ruby-identifier">outbuf</span>)
<span class="ruby-keyword">end</span>
<span class="ruby-identifier">io</span>.<span class="ruby-identifier">rewind</span>
<span class="ruby-identifier">parser</span>.<span class="ruby-identifier">result</span>
<span class="ruby-keyword">end</span></pre>
</div>
</div>
</div>
<div id="method-c-parse_boundary" class="method-detail ">
<div class="method-heading">
<span class="method-name">parse_boundary</span><span
class="method-args">(content_type)</span>
<span class="method-click-advice">click to toggle source</span>
</div>
<div class="method-description">
<div class="method-source-code" id="parse_boundary-source">
<pre><span class="ruby-comment"># File lib/rack/multipart/parser.rb, line 59</span>
<span class="ruby-keyword">def</span> <span class="ruby-keyword">self</span>.<span class="ruby-identifier ruby-title">parse_boundary</span>(<span class="ruby-identifier">content_type</span>)
<span class="ruby-keyword">return</span> <span class="ruby-keyword">unless</span> <span class="ruby-identifier">content_type</span>
<span class="ruby-identifier">data</span> = <span class="ruby-identifier">content_type</span>.<span class="ruby-identifier">match</span>(<span class="ruby-constant">MULTIPART</span>)
<span class="ruby-keyword">return</span> <span class="ruby-keyword">unless</span> <span class="ruby-identifier">data</span>
<span class="ruby-identifier">data</span>[<span class="ruby-value">1</span>]
<span class="ruby-keyword">end</span></pre>
</div>
</div>
</div>
</section>
<section id="public-instance-5Buntitled-5D-method-details" class="method-section">
<header>
<h3>Public Instance Methods</h3>
</header>
<div id="method-i-on_read" class="method-detail ">
<div class="method-heading">
<span class="method-name">on_read</span><span
class="method-args">(content)</span>
<span class="method-click-advice">click to toggle source</span>
</div>
<div class="method-description">
<div class="method-source-code" id="on_read-source">
<pre><span class="ruby-comment"># File lib/rack/multipart/parser.rb, line 198</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">on_read</span>(<span class="ruby-identifier">content</span>)
<span class="ruby-identifier">handle_empty_content!</span>(<span class="ruby-identifier">content</span>)
<span class="ruby-ivar">@sbuf</span>.<span class="ruby-identifier">concat</span> <span class="ruby-identifier">content</span>
<span class="ruby-identifier">run_parser</span>
<span class="ruby-keyword">end</span></pre>
</div>
</div>
</div>
<div id="method-i-result" class="method-detail ">
<div class="method-heading">
<span class="method-name">result</span><span
class="method-args">()</span>
<span class="method-click-advice">click to toggle source</span>
</div>
<div class="method-description">
<div class="method-source-code" id="result-source">
<pre><span class="ruby-comment"># File lib/rack/multipart/parser.rb, line 204</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">result</span>
<span class="ruby-ivar">@collector</span>.<span class="ruby-identifier">each</span> <span class="ruby-keyword">do</span> <span class="ruby-operator">|</span><span class="ruby-identifier">part</span><span class="ruby-operator">|</span>
<span class="ruby-identifier">part</span>.<span class="ruby-identifier">get_data</span> <span class="ruby-keyword">do</span> <span class="ruby-operator">|</span><span class="ruby-identifier">data</span><span class="ruby-operator">|</span>
<span class="ruby-identifier">tag_multipart_encoding</span>(<span class="ruby-identifier">part</span>.<span class="ruby-identifier">filename</span>, <span class="ruby-identifier">part</span>.<span class="ruby-identifier">content_type</span>, <span class="ruby-identifier">part</span>.<span class="ruby-identifier">name</span>, <span class="ruby-identifier">data</span>)
<span class="ruby-ivar">@query_parser</span>.<span class="ruby-identifier">normalize_params</span>(<span class="ruby-ivar">@params</span>, <span class="ruby-identifier">part</span>.<span class="ruby-identifier">name</span>, <span class="ruby-identifier">data</span>, <span class="ruby-ivar">@query_parser</span>.<span class="ruby-identifier">param_depth_limit</span>)
<span class="ruby-keyword">end</span>
<span class="ruby-keyword">end</span>
<span class="ruby-constant">MultipartInfo</span>.<span class="ruby-identifier">new</span> <span class="ruby-ivar">@params</span>.<span class="ruby-identifier">to_params_hash</span>, <span class="ruby-ivar">@collector</span>.<span class="ruby-identifier">find_all</span>(<span class="ruby-operator">&</span><span class="ruby-value">:file?</span>).<span class="ruby-identifier">map</span>(<span class="ruby-operator">&</span><span class="ruby-value">:body</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-consume_boundary" class="method-detail ">
<div class="method-heading">
<span class="method-name">consume_boundary</span><span
class="method-args">()</span>
<span class="method-click-advice">click to toggle source</span>
</div>
<div class="method-description">
<div class="method-source-code" id="consume_boundary-source">
<pre><span class="ruby-comment"># File lib/rack/multipart/parser.rb, line 296</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">consume_boundary</span>
<span class="ruby-keyword">while</span> <span class="ruby-identifier">read_buffer</span> = <span class="ruby-ivar">@sbuf</span>.<span class="ruby-identifier">scan_until</span>(<span class="ruby-constant">BOUNDARY_REGEX</span>)
<span class="ruby-keyword">case</span> <span class="ruby-identifier">read_buffer</span>.<span class="ruby-identifier">strip</span>
<span class="ruby-keyword">when</span> <span class="ruby-identifier">full_boundary</span> <span class="ruby-keyword">then</span> <span class="ruby-keyword">return</span> <span class="ruby-value">:BOUNDARY</span>
<span class="ruby-keyword">when</span> <span class="ruby-ivar">@end_boundary</span> <span class="ruby-keyword">then</span> <span class="ruby-keyword">return</span> <span class="ruby-value">:END_BOUNDARY</span>
<span class="ruby-keyword">end</span>
<span class="ruby-keyword">return</span> <span class="ruby-keyword">if</span> <span class="ruby-ivar">@sbuf</span>.<span class="ruby-identifier">eos?</span>
<span class="ruby-keyword">end</span>
<span class="ruby-keyword">end</span></pre>
</div>
</div>
</div>
<div id="method-i-full_boundary" class="method-detail ">
<div class="method-heading">
<span class="method-name">full_boundary</span><span
class="method-args">()</span>
<span class="method-click-advice">click to toggle source</span>
</div>
<div class="method-description">
<div class="method-source-code" id="full_boundary-source">
<pre><span class="ruby-comment"># File lib/rack/multipart/parser.rb, line 294</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">full_boundary</span>; <span class="ruby-ivar">@full_boundary</span>; <span class="ruby-keyword">end</span></pre>
</div>
</div>
</div>
<div id="method-i-get_filename" class="method-detail ">
<div class="method-heading">
<span class="method-name">get_filename</span><span
class="method-args">(head)</span>
<span class="method-click-advice">click to toggle source</span>
</div>
<div class="method-description">
<div class="method-source-code" id="get_filename-source">
<pre><span class="ruby-comment"># File lib/rack/multipart/parser.rb, line 306</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">get_filename</span>(<span class="ruby-identifier">head</span>)
<span class="ruby-identifier">filename</span> = <span class="ruby-keyword">nil</span>
<span class="ruby-keyword">case</span> <span class="ruby-identifier">head</span>
<span class="ruby-keyword">when</span> <span class="ruby-constant">RFC2183</span>
<span class="ruby-identifier">params</span> = <span class="ruby-constant">Hash</span>[<span class="ruby-operator">*</span><span class="ruby-identifier">head</span>.<span class="ruby-identifier">scan</span>(<span class="ruby-constant">DISPPARM</span>).<span class="ruby-identifier">flat_map</span>(<span class="ruby-operator">&</span><span class="ruby-value">:compact</span>)]
<span class="ruby-keyword">if</span> <span class="ruby-identifier">filename</span> = <span class="ruby-identifier">params</span>[<span class="ruby-string">'filename'</span>]
<span class="ruby-identifier">filename</span> = <span class="ruby-node">$1</span> <span class="ruby-keyword">if</span> <span class="ruby-identifier">filename</span> <span class="ruby-operator">=~</span> <span class="ruby-regexp">/^"(.*)"$/</span>
<span class="ruby-keyword">elsif</span> <span class="ruby-identifier">filename</span> = <span class="ruby-identifier">params</span>[<span class="ruby-string">'filename*'</span>]
<span class="ruby-identifier">encoding</span>, <span class="ruby-identifier">_</span>, <span class="ruby-identifier">filename</span> = <span class="ruby-identifier">filename</span>.<span class="ruby-identifier">split</span>(<span class="ruby-string">"'"</span>, <span class="ruby-value">3</span>)
<span class="ruby-keyword">end</span>
<span class="ruby-keyword">when</span> <span class="ruby-constant">BROKEN</span>
<span class="ruby-identifier">filename</span> = <span class="ruby-node">$1</span>
<span class="ruby-identifier">filename</span> = <span class="ruby-node">$1</span> <span class="ruby-keyword">if</span> <span class="ruby-identifier">filename</span> <span class="ruby-operator">=~</span> <span class="ruby-regexp">/^"(.*)"$/</span>
<span class="ruby-keyword">end</span>
<span class="ruby-keyword">return</span> <span class="ruby-keyword">unless</span> <span class="ruby-identifier">filename</span>
<span class="ruby-keyword">if</span> <span class="ruby-identifier">filename</span>.<span class="ruby-identifier">scan</span>(<span class="ruby-regexp">/%.?.?/</span>).<span class="ruby-identifier">all?</span> { <span class="ruby-operator">|</span><span class="ruby-identifier">s</span><span class="ruby-operator">|</span> <span class="ruby-regexp">/%[0-9a-fA-F]{2}/</span>.<span class="ruby-identifier">match?</span>(<span class="ruby-identifier">s</span>) }
<span class="ruby-identifier">filename</span> = <span class="ruby-constant">Utils</span>.<span class="ruby-identifier">unescape_path</span>(<span class="ruby-identifier">filename</span>)
<span class="ruby-keyword">end</span>
<span class="ruby-identifier">filename</span>.<span class="ruby-identifier">scrub!</span>
<span class="ruby-keyword">if</span> <span class="ruby-identifier">filename</span> <span class="ruby-operator">!~</span> <span class="ruby-regexp">/\\[^\\"]/</span>
<span class="ruby-identifier">filename</span> = <span class="ruby-identifier">filename</span>.<span class="ruby-identifier">gsub</span>(<span class="ruby-regexp">/\\(.)/</span>, <span class="ruby-string">'\1'</span>)
<span class="ruby-keyword">end</span>
<span class="ruby-keyword">if</span> <span class="ruby-identifier">encoding</span>
<span class="ruby-identifier">filename</span>.<span class="ruby-identifier">force_encoding</span> <span class="ruby-operator">::</span><span class="ruby-constant">Encoding</span>.<span class="ruby-identifier">find</span>(<span class="ruby-identifier">encoding</span>)
<span class="ruby-keyword">end</span>
<span class="ruby-identifier">filename</span>
<span class="ruby-keyword">end</span></pre>
</div>
</div>
</div>
<div id="method-i-handle_consume_token" class="method-detail ">
<div class="method-heading">
<span class="method-name">handle_consume_token</span><span
class="method-args">()</span>
<span class="method-click-advice">click to toggle source</span>
</div>
<div class="method-description">
<div class="method-source-code" id="handle_consume_token-source">
<pre><span class="ruby-comment"># File lib/rack/multipart/parser.rb, line 242</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">handle_consume_token</span>
<span class="ruby-identifier">tok</span> = <span class="ruby-identifier">consume_boundary</span>
<span class="ruby-comment"># break if we're at the end of a buffer, but not if it is the end of a field</span>
<span class="ruby-ivar">@state</span> = <span class="ruby-keyword">if</span> <span class="ruby-identifier">tok</span> <span class="ruby-operator">==</span> <span class="ruby-value">:END_BOUNDARY</span> <span class="ruby-operator">||</span> (<span class="ruby-ivar">@sbuf</span>.<span class="ruby-identifier">eos?</span> <span class="ruby-operator">&&</span> <span class="ruby-identifier">tok</span> <span class="ruby-operator">!=</span> <span class="ruby-value">:BOUNDARY</span>)
<span class="ruby-value">:DONE</span>
<span class="ruby-keyword">else</span>
<span class="ruby-value">:MIME_HEAD</span>
<span class="ruby-keyword">end</span>
<span class="ruby-keyword">end</span></pre>
</div>
</div>
</div>
<div id="method-i-handle_empty_content-21" class="method-detail ">
<div class="method-heading">
<span class="method-name">handle_empty_content!</span><span
class="method-args">(content)</span>
<span class="method-click-advice">click to toggle source</span>
</div>
<div class="method-description">
<div class="method-source-code" id="handle_empty_content-21-source">
<pre><span class="ruby-comment"># File lib/rack/multipart/parser.rb, line 371</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">handle_empty_content!</span>(<span class="ruby-identifier">content</span>)
<span class="ruby-keyword">if</span> <span class="ruby-identifier">content</span>.<span class="ruby-identifier">nil?</span> <span class="ruby-operator">||</span> <span class="ruby-identifier">content</span>.<span class="ruby-identifier">empty?</span>
<span class="ruby-identifier">raise</span> <span class="ruby-constant">EOFError</span>
<span class="ruby-keyword">end</span>
<span class="ruby-keyword">end</span></pre>
</div>
</div>
</div>
<div id="method-i-handle_fast_forward" class="method-detail ">
<div class="method-heading">
<span class="method-name">handle_fast_forward</span><span
class="method-args">()</span>
<span class="method-click-advice">click to toggle source</span>
</div>
<div class="method-description">
<div class="method-source-code" id="handle_fast_forward-source">
<pre><span class="ruby-comment"># File lib/rack/multipart/parser.rb, line 233</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">handle_fast_forward</span>
<span class="ruby-keyword">if</span> <span class="ruby-identifier">consume_boundary</span>
<span class="ruby-ivar">@state</span> = <span class="ruby-value">:MIME_HEAD</span>
<span class="ruby-keyword">else</span>
<span class="ruby-identifier">raise</span> <span class="ruby-constant">EOFError</span>, <span class="ruby-string">"bad content body"</span> <span class="ruby-keyword">if</span> <span class="ruby-ivar">@sbuf</span>.<span class="ruby-identifier">rest_size</span> <span class="ruby-operator">>=</span> <span class="ruby-ivar">@bufsize</span>
<span class="ruby-value">:want_read</span>
<span class="ruby-keyword">end</span>
<span class="ruby-keyword">end</span></pre>
</div>
</div>
</div>
<div id="method-i-handle_mime_body" class="method-detail ">
<div class="method-heading">
<span class="method-name">handle_mime_body</span><span
class="method-args">()</span>
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</div>
<div class="method-description">
<div class="method-source-code" id="handle_mime_body-source">
<pre><span class="ruby-comment"># File lib/rack/multipart/parser.rb, line 275</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">handle_mime_body</span>
<span class="ruby-keyword">if</span> (<span class="ruby-identifier">body_with_boundary</span> = <span class="ruby-ivar">@sbuf</span>.<span class="ruby-identifier">check_until</span>(<span class="ruby-ivar">@body_regex</span>)) <span class="ruby-comment"># check but do not advance the pointer yet</span>
<span class="ruby-identifier">body</span> = <span class="ruby-identifier">body_with_boundary</span>.<span class="ruby-identifier">sub</span>(<span class="ruby-regexp">/#{@body_regex}\z/m</span>, <span class="ruby-string">''</span>) <span class="ruby-comment"># remove the boundary from the string</span>
<span class="ruby-ivar">@collector</span>.<span class="ruby-identifier">on_mime_body</span> <span class="ruby-ivar">@mime_index</span>, <span class="ruby-identifier">body</span>
<span class="ruby-ivar">@sbuf</span>.<span class="ruby-identifier">pos</span> <span class="ruby-operator">+=</span> <span class="ruby-identifier">body</span>.<span class="ruby-identifier">length</span> <span class="ruby-operator">+</span> <span class="ruby-value">2</span> <span class="ruby-comment"># skip \r\n after the content</span>
<span class="ruby-ivar">@state</span> = <span class="ruby-value">:CONSUME_TOKEN</span>
<span class="ruby-ivar">@mime_index</span> <span class="ruby-operator">+=</span> <span class="ruby-value">1</span>
<span class="ruby-keyword">else</span>
<span class="ruby-comment"># Save what we have so far</span>
<span class="ruby-keyword">if</span> <span class="ruby-ivar">@rx_max_size</span> <span class="ruby-operator"><</span> <span class="ruby-ivar">@sbuf</span>.<span class="ruby-identifier">rest_size</span>
<span class="ruby-identifier">delta</span> = <span class="ruby-ivar">@sbuf</span>.<span class="ruby-identifier">rest_size</span> <span class="ruby-operator">-</span> <span class="ruby-ivar">@rx_max_size</span>
<span class="ruby-ivar">@collector</span>.<span class="ruby-identifier">on_mime_body</span> <span class="ruby-ivar">@mime_index</span>, <span class="ruby-ivar">@sbuf</span>.<span class="ruby-identifier">peek</span>(<span class="ruby-identifier">delta</span>)
<span class="ruby-ivar">@sbuf</span>.<span class="ruby-identifier">pos</span> <span class="ruby-operator">+=</span> <span class="ruby-identifier">delta</span>
<span class="ruby-ivar">@sbuf</span>.<span class="ruby-identifier">string</span> = <span class="ruby-ivar">@sbuf</span>.<span class="ruby-identifier">rest</span>
<span class="ruby-keyword">end</span>
<span class="ruby-value">:want_read</span>
<span class="ruby-keyword">end</span>
<span class="ruby-keyword">end</span></pre>
</div>
</div>
</div>
<div id="method-i-handle_mime_head" class="method-detail ">
<div class="method-heading">
<span class="method-name">handle_mime_head</span><span
class="method-args">()</span>
<span class="method-click-advice">click to toggle source</span>
</div>
<div class="method-description">
<div class="method-source-code" id="handle_mime_head-source">
<pre><span class="ruby-comment"># File lib/rack/multipart/parser.rb, line 252</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">handle_mime_head</span>
<span class="ruby-keyword">if</span> <span class="ruby-ivar">@sbuf</span>.<span class="ruby-identifier">scan_until</span>(<span class="ruby-ivar">@head_regex</span>)
<span class="ruby-identifier">head</span> = <span class="ruby-ivar">@sbuf</span>[<span class="ruby-value">1</span>]
<span class="ruby-identifier">content_type</span> = <span class="ruby-identifier">head</span>[<span class="ruby-constant">MULTIPART_CONTENT_TYPE</span>, <span class="ruby-value">1</span>]
<span class="ruby-keyword">if</span> <span class="ruby-identifier">name</span> = <span class="ruby-identifier">head</span>[<span class="ruby-constant">MULTIPART_CONTENT_DISPOSITION</span>, <span class="ruby-value">1</span>]
<span class="ruby-identifier">name</span> = <span class="ruby-constant">Rack</span><span class="ruby-operator">::</span><span class="ruby-constant">Auth</span><span class="ruby-operator">::</span><span class="ruby-constant">Digest</span><span class="ruby-operator">::</span><span class="ruby-constant">Params</span><span class="ruby-operator">::</span><span class="ruby-identifier">dequote</span>(<span class="ruby-identifier">name</span>)
<span class="ruby-keyword">else</span>
<span class="ruby-identifier">name</span> = <span class="ruby-identifier">head</span>[<span class="ruby-constant">MULTIPART_CONTENT_ID</span>, <span class="ruby-value">1</span>]
<span class="ruby-keyword">end</span>
<span class="ruby-identifier">filename</span> = <span class="ruby-identifier">get_filename</span>(<span class="ruby-identifier">head</span>)
<span class="ruby-keyword">if</span> <span class="ruby-identifier">name</span>.<span class="ruby-identifier">nil?</span> <span class="ruby-operator">||</span> <span class="ruby-identifier">name</span>.<span class="ruby-identifier">empty?</span>
<span class="ruby-identifier">name</span> = <span class="ruby-identifier">filename</span> <span class="ruby-operator">||</span> <span class="ruby-node">"#{content_type || TEXT_PLAIN}[]"</span>.<span class="ruby-identifier">dup</span>
<span class="ruby-keyword">end</span>
<span class="ruby-ivar">@collector</span>.<span class="ruby-identifier">on_mime_head</span> <span class="ruby-ivar">@mime_index</span>, <span class="ruby-identifier">head</span>, <span class="ruby-identifier">filename</span>, <span class="ruby-identifier">content_type</span>, <span class="ruby-identifier">name</span>
<span class="ruby-ivar">@state</span> = <span class="ruby-value">:MIME_BODY</span>
<span class="ruby-keyword">else</span>
<span class="ruby-value">:want_read</span>
<span class="ruby-keyword">end</span>
<span class="ruby-keyword">end</span></pre>
</div>
</div>
</div>
<div id="method-i-run_parser" class="method-detail ">
<div class="method-heading">
<span class="method-name">run_parser</span><span
class="method-args">()</span>
<span class="method-click-advice">click to toggle source</span>
</div>
<div class="method-description">
<div class="method-source-code" id="run_parser-source">
<pre><span class="ruby-comment"># File lib/rack/multipart/parser.rb, line 216</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">run_parser</span>
<span class="ruby-identifier">loop</span> <span class="ruby-keyword">do</span>
<span class="ruby-keyword">case</span> <span class="ruby-ivar">@state</span>
<span class="ruby-keyword">when</span> <span class="ruby-value">:FAST_FORWARD</span>
<span class="ruby-keyword">break</span> <span class="ruby-keyword">if</span> <span class="ruby-identifier">handle_fast_forward</span> <span class="ruby-operator">==</span> <span class="ruby-value">:want_read</span>
<span class="ruby-keyword">when</span> <span class="ruby-value">:CONSUME_TOKEN</span>
<span class="ruby-keyword">break</span> <span class="ruby-keyword">if</span> <span class="ruby-identifier">handle_consume_token</span> <span class="ruby-operator">==</span> <span class="ruby-value">:want_read</span>
<span class="ruby-keyword">when</span> <span class="ruby-value">:MIME_HEAD</span>
<span class="ruby-keyword">break</span> <span class="ruby-keyword">if</span> <span class="ruby-identifier">handle_mime_head</span> <span class="ruby-operator">==</span> <span class="ruby-value">:want_read</span>
<span class="ruby-keyword">when</span> <span class="ruby-value">:MIME_BODY</span>
<span class="ruby-keyword">break</span> <span class="ruby-keyword">if</span> <span class="ruby-identifier">handle_mime_body</span> <span class="ruby-operator">==</span> <span class="ruby-value">:want_read</span>
<span class="ruby-keyword">when</span> <span class="ruby-value">:DONE</span>
<span class="ruby-keyword">break</span>
<span class="ruby-keyword">end</span>
<span class="ruby-keyword">end</span>
<span class="ruby-keyword">end</span></pre>
</div>
</div>
</div>
<div id="method-i-tag_multipart_encoding" class="method-detail ">
<div class="method-heading">
<span class="method-name">tag_multipart_encoding</span><span
class="method-args">(filename, content_type, name, body)</span>
<span class="method-click-advice">click to toggle source</span>
</div>
<div class="method-description">
<div class="method-source-code" id="tag_multipart_encoding-source">
<pre><span class="ruby-comment"># File lib/rack/multipart/parser.rb, line 343</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier ruby-title">tag_multipart_encoding</span>(<span class="ruby-identifier">filename</span>, <span class="ruby-identifier">content_type</span>, <span class="ruby-identifier">name</span>, <span class="ruby-identifier">body</span>)
<span class="ruby-identifier">name</span> = <span class="ruby-identifier">name</span>.<span class="ruby-identifier">to_s</span>
<span class="ruby-identifier">encoding</span> = <span class="ruby-constant">Encoding</span><span class="ruby-operator">::</span><span class="ruby-constant">UTF_8</span>
<span class="ruby-identifier">name</span>.<span class="ruby-identifier">force_encoding</span>(<span class="ruby-identifier">encoding</span>)
<span class="ruby-keyword">return</span> <span class="ruby-keyword">if</span> <span class="ruby-identifier">filename</span>
<span class="ruby-keyword">if</span> <span class="ruby-identifier">content_type</span>
<span class="ruby-identifier">list</span> = <span class="ruby-identifier">content_type</span>.<span class="ruby-identifier">split</span>(<span class="ruby-string">';'</span>)
<span class="ruby-identifier">type_subtype</span> = <span class="ruby-identifier">list</span>.<span class="ruby-identifier">first</span>
<span class="ruby-identifier">type_subtype</span>.<span class="ruby-identifier">strip!</span>
<span class="ruby-keyword">if</span> <span class="ruby-constant">TEXT_PLAIN</span> <span class="ruby-operator">==</span> <span class="ruby-identifier">type_subtype</span>
<span class="ruby-identifier">rest</span> = <span class="ruby-identifier">list</span>.<span class="ruby-identifier">drop</span> <span class="ruby-value">1</span>
<span class="ruby-identifier">rest</span>.<span class="ruby-identifier">each</span> <span class="ruby-keyword">do</span> <span class="ruby-operator">|</span><span class="ruby-identifier">param</span><span class="ruby-operator">|</span>
<span class="ruby-identifier">k</span>, <span class="ruby-identifier">v</span> = <span class="ruby-identifier">param</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">strip!</span>
<span class="ruby-identifier">v</span>.<span class="ruby-identifier">strip!</span>
<span class="ruby-identifier">v</span> = <span class="ruby-identifier">v</span>[<span class="ruby-value">1</span><span class="ruby-operator">..</span><span class="ruby-value">-2</span>] <span class="ruby-keyword">if</span> <span class="ruby-identifier">v</span>.<span class="ruby-identifier">start_with?</span>(<span class="ruby-string">'"'</span>) <span class="ruby-operator">&&</span> <span class="ruby-identifier">v</span>.<span class="ruby-identifier">end_with?</span>(<span class="ruby-string">'"'</span>)
<span class="ruby-identifier">encoding</span> = <span class="ruby-constant">Encoding</span>.<span class="ruby-identifier">find</span> <span class="ruby-identifier">v</span> <span class="ruby-keyword">if</span> <span class="ruby-identifier">k</span> <span class="ruby-operator">==</span> <span class="ruby-constant">CHARSET</span>
<span class="ruby-keyword">end</span>
<span class="ruby-keyword">end</span>
<span class="ruby-keyword">end</span>
<span class="ruby-identifier">name</span>.<span class="ruby-identifier">force_encoding</span>(<span class="ruby-identifier">encoding</span>)
<span class="ruby-identifier">body</span>.<span class="ruby-identifier">force_encoding</span>(<span class="ruby-identifier">encoding</span>)
<span class="ruby-keyword">end</span></pre>
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