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-<head>
- <title>json.rb</title>
- <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
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- <h1>
- json.rb
- </h1>
- <ul class="files">
- <li>lib/json.rb</li>
- <li>Last modified: 2011-06-20 14:53:00 +0200</li>
- </ul>
- </div>
-
- <div id="bodyContent">
- <div id="content">
-
- <div class="description">
- <h1>JavaScript <a href="../../classes/Object.html">Object</a> Notation (<a href="../../classes/JSON.html">JSON</a>)</h1>
-<p>
-<a href="../../classes/JSON.html">JSON</a> is a lightweight
-data-interchange format. It is easy for us humans to read and write. Plus,
-equally simple for machines to generate or parse. <a
-href="../../classes/JSON.html">JSON</a> is completely language agnostic,
-making it the ideal interchange format.
-</p>
-<p>
-Built on two universally available structures:
-</p>
-<pre>
- 1. A collection of name/value pairs. Often referred to as an _object_, hash table, record, struct, keyed list, or associative array.
- 2. An orderd list of values. More commonly named as an _array_, vector, sequence, or list.
-</pre>
-<p>
-To read more about <a href="../../classes/JSON.html">JSON</a> visit: <a
-href="http://json.org">json.org</a>
-</p>
-<h2>Parsing <a href="../../classes/JSON.html">JSON</a></h2>
-<p>
-To parse a <a href="../../classes/JSON.html">JSON</a> string received by
-another application, or generated within your existing application:
-</p>
-<pre>
- require 'json'
-
- my_hash = JSON.parse('{&quot;hello&quot;: &quot;goodbye&quot;}')
- puts my_hash[&quot;hello&quot;] =&gt; &quot;goodbye&quot;
-</pre>
-<p>
-Notice the extra quotes <tt>''</tt> around the hash notation. Ruby expects
-the argument to be a string and can&#8217;t convert objects like a hash or
-array.
-</p>
-<p>
-Ruby converts your string into a hash
-</p>
-<h2>Generating <a href="../../classes/JSON.html">JSON</a></h2>
-<p>
-Creating a <a href="../../classes/JSON.html">JSON</a> string for
-communication or serialization is just as simple.
-</p>
-<pre>
- require 'json'
-
- my_hash = {:hello =&gt; &quot;goodbye&quot;}
- puts JSON.generate(my_hash) =&gt; &quot;{\&quot;hello\&quot;:\&quot;goodbye\&quot;}&quot;
-</pre>
-<p>
-Or an alternative way:
-</p>
-<pre>
- require 'json'
- puts {:hello =&gt; &quot;goodbye&quot;}.to_json =&gt; &quot;{\&quot;hello\&quot;:\&quot;goodbye\&quot;}&quot;
-</pre>
-<p>
-<tt><a href="../../classes/JSON.html#M000063">JSON.generate</a></tt> only
-allows objects or arrays to be converted to <a
-href="../../classes/JSON.html">JSON</a> syntax. While <tt>to_json</tt>
-accepts many Ruby classes even though it only acts a method for
-serialization:
-</p>
-<pre>
- require 'json'
-
- 1.to_json =&gt; &quot;1&quot;
-</pre>
-
- </div>
-
-
-
- <div class="sectiontitle">Required Files</div>
- <ul>
-
- <li>json/version</li>
-
- <li>json/ext</li>
-
- <li>json/pure</li>
-
- </ul>
-
-
-
-
-
-
-
-
-
-
-
-
-
- <div class="sectiontitle">Classes and Modules</div>
- <ul>
-
- <li><span class="type">MODULE</span> <a href="../../classes/JSON.html">JSON</a></li>
-
- <li><span class="type">CLASS</span> <a href="../../classes/Object.html">Object</a></li>
-
- </ul>
-
-
-
-
-
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