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<h1 class="module">Rack::Utils::OkJson</h1>
<div id="description" class="description">
<p>Some parts adapted from <a
href="https://golang.org/src/encoding/json/decode.go">golang.org/src/encoding/json/decode.go</a>
and <a
href="https://golang.org/src/unicode/utf8/utf8.go">golang.org/src/unicode/utf8/utf8.go</a></p>
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<div class="method-description">
<p>Decodes a json document in string s and returns the corresponding ruby
value. String s must be valid UTF-8. If you have a string in some other
encoding, convert it first.</p>
<p>String values in the resulting structure will be UTF-8.</p>
<div class="method-source-code" id="decode-source">
<pre>
<span class="ruby-comment"># File lib/rack/utils/okjson.rb, line 42</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier">decode</span>(<span class="ruby-identifier">s</span>)
<span class="ruby-identifier">ts</span> = <span class="ruby-identifier">lex</span>(<span class="ruby-identifier">s</span>)
<span class="ruby-identifier">v</span>, <span class="ruby-identifier">ts</span> = <span class="ruby-identifier">textparse</span>(<span class="ruby-identifier">ts</span>)
<span class="ruby-keyword">if</span> <span class="ruby-identifier">ts</span>.<span class="ruby-identifier">length</span> <span class="ruby-operator">></span> <span class="ruby-value">0</span>
<span class="ruby-identifier">raise</span> <span class="ruby-constant">Error</span>, <span class="ruby-string">'trailing garbage'</span>
<span class="ruby-keyword">end</span>
<span class="ruby-identifier">v</span>
<span class="ruby-keyword">end</span></pre>
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<p>Encodes x into a json text. It may contain only Array, Hash, String,
Numeric, true, false, nil. (Note, this list excludes Symbol.) X itself must
be an Array or a Hash. No other value can be encoded, and an error will be
raised if x contains any other value, such as Nan, Infinity, Symbol, and
Proc, or if a Hash key is not a String. Strings contained in x must be
valid UTF-8.</p>
<div class="method-source-code" id="encode-source">
<pre>
<span class="ruby-comment"># File lib/rack/utils/okjson.rb, line 61</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier">encode</span>(<span class="ruby-identifier">x</span>)
<span class="ruby-keyword">case</span> <span class="ruby-identifier">x</span>
<span class="ruby-keyword">when</span> <span class="ruby-constant">Hash</span> <span class="ruby-keyword">then</span> <span class="ruby-identifier">objenc</span>(<span class="ruby-identifier">x</span>)
<span class="ruby-keyword">when</span> <span class="ruby-constant">Array</span> <span class="ruby-keyword">then</span> <span class="ruby-identifier">arrenc</span>(<span class="ruby-identifier">x</span>)
<span class="ruby-keyword">else</span>
<span class="ruby-identifier">raise</span> <span class="ruby-constant">Error</span>, <span class="ruby-string">'root value must be an Array or a Hash'</span>
<span class="ruby-keyword">end</span>
<span class="ruby-keyword">end</span></pre>
</div><!-- encode-source -->
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<div id="valenc-method" class="method-detail ">
<a name="method-i-valenc"></a>
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<span class="method-name">valenc</span><span
class="method-args">(x)</span>
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</div>
<div class="method-description">
<div class="method-source-code" id="valenc-source">
<pre>
<span class="ruby-comment"># File lib/rack/utils/okjson.rb, line 71</span>
<span class="ruby-keyword">def</span> <span class="ruby-identifier">valenc</span>(<span class="ruby-identifier">x</span>)
<span class="ruby-keyword">case</span> <span class="ruby-identifier">x</span>
<span class="ruby-keyword">when</span> <span class="ruby-constant">Hash</span> <span class="ruby-keyword">then</span> <span class="ruby-identifier">objenc</span>(<span class="ruby-identifier">x</span>)
<span class="ruby-keyword">when</span> <span class="ruby-constant">Array</span> <span class="ruby-keyword">then</span> <span class="ruby-identifier">arrenc</span>(<span class="ruby-identifier">x</span>)
<span class="ruby-keyword">when</span> <span class="ruby-constant">String</span> <span class="ruby-keyword">then</span> <span class="ruby-identifier">strenc</span>(<span class="ruby-identifier">x</span>)
<span class="ruby-keyword">when</span> <span class="ruby-constant">Numeric</span> <span class="ruby-keyword">then</span> <span class="ruby-identifier">numenc</span>(<span class="ruby-identifier">x</span>)
<span class="ruby-keyword">when</span> <span class="ruby-keyword">true</span> <span class="ruby-keyword">then</span> <span class="ruby-string">"true"</span>
<span class="ruby-keyword">when</span> <span class="ruby-keyword">false</span> <span class="ruby-keyword">then</span> <span class="ruby-string">"false"</span>
<span class="ruby-keyword">when</span> <span class="ruby-keyword">nil</span> <span class="ruby-keyword">then</span> <span class="ruby-string">"null"</span>
<span class="ruby-keyword">else</span>
<span class="ruby-identifier">raise</span> <span class="ruby-constant">Error</span>, <span class="ruby-node">"cannot encode #{x.class}: #{x.inspect}"</span>
<span class="ruby-keyword">end</span>
<span class="ruby-keyword">end</span></pre>
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