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<li><a href="#method-i-parse">#parse</a></li>
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<h1 class="class">JSON::Pure::Parser</h1>
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<div id="description" class="description">
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<p>This class implements the <a href="../../JSON.html">JSON</a> parser that is
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used to parse a <a href="../../JSON.html">JSON</a> string into a Ruby data
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structure.</p>
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<!-- Constants -->
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<div id="constants-list" class="section">
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<h3 class="section-header">Constants</h3>
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<dl>
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<dt><a name="ARRAY_CLOSE">ARRAY_CLOSE</a></dt>
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<dd class="description"></dd>
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<dt><a name="ARRAY_OPEN">ARRAY_OPEN</a></dt>
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<dd class="description"></dd>
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<dt><a name="COLLECTION_DELIMITER">COLLECTION_DELIMITER</a></dt>
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<dd class="description"></dd>
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<dt><a name="EMPTY_8BIT_STRING">EMPTY_8BIT_STRING</a></dt>
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<dd class="description"></dd>
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<dt><a name="FALSE">FALSE</a></dt>
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<dd class="description"></dd>
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<dt><a name="FLOAT">FLOAT</a></dt>
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<dd class="description"></dd>
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<dt><a name="IGNORE">IGNORE</a></dt>
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<dd class="description"></dd>
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<dt><a name="INFINITY">INFINITY</a></dt>
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<dd class="description"></dd>
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<dt><a name="INTEGER">INTEGER</a></dt>
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<dd class="description"></dd>
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<dt><a name="MINUS_INFINITY">MINUS_INFINITY</a></dt>
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<dd class="description"></dd>
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<dt><a name="NAN">NAN</a></dt>
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<dd class="description"></dd>
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<dt><a name="NULL">NULL</a></dt>
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<dd class="description"></dd>
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<dt><a name="OBJECT_CLOSE">OBJECT_CLOSE</a></dt>
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<dd class="description"></dd>
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<dt><a name="OBJECT_OPEN">OBJECT_OPEN</a></dt>
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<dd class="description"></dd>
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<dt><a name="PAIR_DELIMITER">PAIR_DELIMITER</a></dt>
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<dd class="description"></dd>
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<dt><a name="STRING">STRING</a></dt>
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<dd class="description"></dd>
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<dt><a name="TRUE">TRUE</a></dt>
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<dd class="description"></dd>
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<dt><a name="UNESCAPE_MAP">UNESCAPE_MAP</a></dt>
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<dd class="description"><p>Unescape characters in strings.</p></dd>
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<dt><a name="UNPARSED">UNPARSED</a></dt>
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<dd class="description"></dd>
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</dl>
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</div>
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<!-- Methods -->
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<div id="public-class-method-details" class="method-section section">
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<h3 class="section-header">Public Class Methods</h3>
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<div id="new-method" class="method-detail ">
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<a name="method-c-new"></a>
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<div class="method-heading">
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<span class="method-name">new</span><span
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class="method-args">(source, opts = {})</span>
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<span class="method-click-advice">click to toggle source</span>
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</div>
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<div class="method-description">
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||
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||
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<p>Creates a new <a href="Parser.html">JSON::Pure::Parser</a> instance for the
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string <em>source</em>.</p>
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<p>It will be configured by the <em>opts</em> hash. <em>opts</em> can have the
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following keys:</p>
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<ul><li>
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<p><b>max_nesting</b>: The maximum depth of nesting allowed in the parsed data
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structures. Disable depth checking with :max_nesting => false|nil|0, it
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defaults to 100.</p>
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</li><li>
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||
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<p><b>allow_nan</b>: If set to true, allow NaN, Infinity and -Infinity in
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defiance of RFC 4627 to be parsed by the <a href="Parser.html">Parser</a>.
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This option defaults to false.</p>
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</li><li>
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||
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<p><b>symbolize_names</b>: If set to true, returns symbols for the names
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(keys) in a <a href="../../JSON.html">JSON</a> object. Otherwise strings
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are returned, which is also the default.</p>
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||
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</li><li>
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||
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<p><b>create_additions</b>: If set to true, the <a
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||
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href="Parser.html">Parser</a> creates additions when if a matching class
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and create_id was found. This option defaults to false.</p>
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||
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</li><li>
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<p><b>object_class</b>: Defaults to Hash</p>
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||
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</li><li>
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<p><b>array_class</b>: Defaults to Array</p>
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</li><li>
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||
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<p><b>quirks_mode</b>: Enables quirks_mode for parser, that is for example
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||
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parsing single <a href="../../JSON.html">JSON</a> values instead of
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||
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documents is possible.</p>
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</li></ul>
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<div class="method-source-code" id="new-source">
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||
|
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<pre>
|
||
|
|
<span class="ruby-comment"># File lib/json/pure/parser.rb, line 73</span>
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||
|
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<span class="ruby-keyword">def</span> <span class="ruby-identifier">initialize</span>(<span class="ruby-identifier">source</span>, <span class="ruby-identifier">opts</span> = {})
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||
|
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<span class="ruby-identifier">opts</span> <span class="ruby-operator">||=</span> {}
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||
|
|
<span class="ruby-keyword">unless</span> <span class="ruby-ivar">@quirks_mode</span> = <span class="ruby-identifier">opts</span>[<span class="ruby-value">:quirks_mode</span>]
|
||
|
|
<span class="ruby-identifier">source</span> = <span class="ruby-identifier">convert_encoding</span> <span class="ruby-identifier">source</span>
|
||
|
|
<span class="ruby-keyword">end</span>
|
||
|
|
<span class="ruby-keyword">super</span> <span class="ruby-identifier">source</span>
|
||
|
|
<span class="ruby-keyword">if</span> <span class="ruby-operator">!</span><span class="ruby-identifier">opts</span>.<span class="ruby-identifier">key?</span>(<span class="ruby-value">:max_nesting</span>) <span class="ruby-comment"># defaults to 100</span>
|
||
|
|
<span class="ruby-ivar">@max_nesting</span> = <span class="ruby-value">100</span>
|
||
|
|
<span class="ruby-keyword">elsif</span> <span class="ruby-identifier">opts</span>[<span class="ruby-value">:max_nesting</span>]
|
||
|
|
<span class="ruby-ivar">@max_nesting</span> = <span class="ruby-identifier">opts</span>[<span class="ruby-value">:max_nesting</span>]
|
||
|
|
<span class="ruby-keyword">else</span>
|
||
|
|
<span class="ruby-ivar">@max_nesting</span> = <span class="ruby-value">0</span>
|
||
|
|
<span class="ruby-keyword">end</span>
|
||
|
|
<span class="ruby-ivar">@allow_nan</span> = <span class="ruby-operator">!</span><span class="ruby-operator">!</span><span class="ruby-identifier">opts</span>[<span class="ruby-value">:allow_nan</span>]
|
||
|
|
<span class="ruby-ivar">@symbolize_names</span> = <span class="ruby-operator">!</span><span class="ruby-operator">!</span><span class="ruby-identifier">opts</span>[<span class="ruby-value">:symbolize_names</span>]
|
||
|
|
<span class="ruby-keyword">if</span> <span class="ruby-identifier">opts</span>.<span class="ruby-identifier">key?</span>(<span class="ruby-value">:create_additions</span>)
|
||
|
|
<span class="ruby-ivar">@create_additions</span> = <span class="ruby-operator">!</span><span class="ruby-operator">!</span><span class="ruby-identifier">opts</span>[<span class="ruby-value">:create_additions</span>]
|
||
|
|
<span class="ruby-keyword">else</span>
|
||
|
|
<span class="ruby-ivar">@create_additions</span> = <span class="ruby-keyword">false</span>
|
||
|
|
<span class="ruby-keyword">end</span>
|
||
|
|
<span class="ruby-ivar">@create_id</span> = <span class="ruby-ivar">@create_additions</span> <span class="ruby-operator">?</span> <span class="ruby-constant">JSON</span>.<span class="ruby-identifier">create_id</span> <span class="ruby-operator">:</span> <span class="ruby-keyword">nil</span>
|
||
|
|
<span class="ruby-ivar">@object_class</span> = <span class="ruby-identifier">opts</span>[<span class="ruby-value">:object_class</span>] <span class="ruby-operator">||</span> <span class="ruby-constant">Hash</span>
|
||
|
|
<span class="ruby-ivar">@array_class</span> = <span class="ruby-identifier">opts</span>[<span class="ruby-value">:array_class</span>] <span class="ruby-operator">||</span> <span class="ruby-constant">Array</span>
|
||
|
|
<span class="ruby-ivar">@match_string</span> = <span class="ruby-identifier">opts</span>[<span class="ruby-value">:match_string</span>]
|
||
|
|
<span class="ruby-keyword">end</span></pre>
|
||
|
|
</div><!-- new-source -->
|
||
|
|
|
||
|
|
</div>
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
</div><!-- new-method -->
|
||
|
|
|
||
|
|
|
||
|
|
</div><!-- public-class-method-details -->
|
||
|
|
|
||
|
|
<div id="public-instance-method-details" class="method-section section">
|
||
|
|
<h3 class="section-header">Public Instance Methods</h3>
|
||
|
|
|
||
|
|
|
||
|
|
<div id="parse-method" class="method-detail ">
|
||
|
|
<a name="method-i-parse"></a>
|
||
|
|
|
||
|
|
|
||
|
|
<div class="method-heading">
|
||
|
|
<span class="method-name">parse</span><span
|
||
|
|
class="method-args">()</span>
|
||
|
|
<span class="method-click-advice">click to toggle source</span>
|
||
|
|
</div>
|
||
|
|
|
||
|
|
|
||
|
|
<div class="method-description">
|
||
|
|
|
||
|
|
<p>Parses the current <a href="../../JSON.html">JSON</a> string
|
||
|
|
<em>source</em> and returns the complete data structure as a result.</p>
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
<div class="method-source-code" id="parse-source">
|
||
|
|
<pre>
|
||
|
|
<span class="ruby-comment"># File lib/json/pure/parser.rb, line 112</span>
|
||
|
|
<span class="ruby-keyword">def</span> <span class="ruby-identifier">parse</span>
|
||
|
|
<span class="ruby-identifier">reset</span>
|
||
|
|
<span class="ruby-identifier">obj</span> = <span class="ruby-keyword">nil</span>
|
||
|
|
<span class="ruby-keyword">if</span> <span class="ruby-ivar">@quirks_mode</span>
|
||
|
|
<span class="ruby-keyword">while</span> <span class="ruby-operator">!</span><span class="ruby-identifier">eos?</span> <span class="ruby-operator">&&</span> <span class="ruby-identifier">skip</span>(<span class="ruby-constant">IGNORE</span>)
|
||
|
|
<span class="ruby-keyword">end</span>
|
||
|
|
<span class="ruby-keyword">if</span> <span class="ruby-identifier">eos?</span>
|
||
|
|
<span class="ruby-identifier">raise</span> <span class="ruby-constant">ParserError</span>, <span class="ruby-string">"source did not contain any JSON!"</span>
|
||
|
|
<span class="ruby-keyword">else</span>
|
||
|
|
<span class="ruby-identifier">obj</span> = <span class="ruby-identifier">parse_value</span>
|
||
|
|
<span class="ruby-identifier">obj</span> <span class="ruby-operator">==</span> <span class="ruby-constant">UNPARSED</span> <span class="ruby-keyword">and</span> <span class="ruby-identifier">raise</span> <span class="ruby-constant">ParserError</span>, <span class="ruby-string">"source did not contain any JSON!"</span>
|
||
|
|
<span class="ruby-keyword">end</span>
|
||
|
|
<span class="ruby-keyword">else</span>
|
||
|
|
<span class="ruby-keyword">until</span> <span class="ruby-identifier">eos?</span>
|
||
|
|
<span class="ruby-keyword">case</span>
|
||
|
|
<span class="ruby-keyword">when</span> <span class="ruby-identifier">scan</span>(<span class="ruby-constant">OBJECT_OPEN</span>)
|
||
|
|
<span class="ruby-identifier">obj</span> <span class="ruby-keyword">and</span> <span class="ruby-identifier">raise</span> <span class="ruby-constant">ParserError</span>, <span class="ruby-node">"source '#{peek(20)}' not in JSON!"</span>
|
||
|
|
<span class="ruby-ivar">@current_nesting</span> = <span class="ruby-value">1</span>
|
||
|
|
<span class="ruby-identifier">obj</span> = <span class="ruby-identifier">parse_object</span>
|
||
|
|
<span class="ruby-keyword">when</span> <span class="ruby-identifier">scan</span>(<span class="ruby-constant">ARRAY_OPEN</span>)
|
||
|
|
<span class="ruby-identifier">obj</span> <span class="ruby-keyword">and</span> <span class="ruby-identifier">raise</span> <span class="ruby-constant">ParserError</span>, <span class="ruby-node">"source '#{peek(20)}' not in JSON!"</span>
|
||
|
|
<span class="ruby-ivar">@current_nesting</span> = <span class="ruby-value">1</span>
|
||
|
|
<span class="ruby-identifier">obj</span> = <span class="ruby-identifier">parse_array</span>
|
||
|
|
<span class="ruby-keyword">when</span> <span class="ruby-identifier">skip</span>(<span class="ruby-constant">IGNORE</span>)
|
||
|
|
;
|
||
|
|
<span class="ruby-keyword">else</span>
|
||
|
|
<span class="ruby-identifier">raise</span> <span class="ruby-constant">ParserError</span>, <span class="ruby-node">"source '#{peek(20)}' not in JSON!"</span>
|
||
|
|
<span class="ruby-keyword">end</span>
|
||
|
|
<span class="ruby-keyword">end</span>
|
||
|
|
<span class="ruby-identifier">obj</span> <span class="ruby-keyword">or</span> <span class="ruby-identifier">raise</span> <span class="ruby-constant">ParserError</span>, <span class="ruby-string">"source did not contain any JSON!"</span>
|
||
|
|
<span class="ruby-keyword">end</span>
|
||
|
|
<span class="ruby-identifier">obj</span>
|
||
|
|
<span class="ruby-keyword">end</span></pre>
|
||
|
|
</div><!-- parse-source -->
|
||
|
|
|
||
|
|
</div>
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
</div><!-- parse-method -->
|
||
|
|
|
||
|
|
|
||
|
|
<div id="quirks_mode-3F-method" class="method-detail ">
|
||
|
|
<a name="method-i-quirks_mode-3F"></a>
|
||
|
|
|
||
|
|
|
||
|
|
<div class="method-heading">
|
||
|
|
<span class="method-name">quirks_mode?</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="quirks_mode-3F-source">
|
||
|
|
<pre>
|
||
|
|
<span class="ruby-comment"># File lib/json/pure/parser.rb, line 101</span>
|
||
|
|
<span class="ruby-keyword">def</span> <span class="ruby-identifier">quirks_mode?</span>
|
||
|
|
<span class="ruby-operator">!</span><span class="ruby-operator">!</span><span class="ruby-ivar">@quirks_mode</span>
|
||
|
|
<span class="ruby-keyword">end</span></pre>
|
||
|
|
</div><!-- quirks_mode-3F-source -->
|
||
|
|
|
||
|
|
</div>
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
</div><!-- quirks_mode-3F-method -->
|
||
|
|
|
||
|
|
|
||
|
|
<div id="reset-method" class="method-detail ">
|
||
|
|
<a name="method-i-reset"></a>
|
||
|
|
|
||
|
|
|
||
|
|
<div class="method-heading">
|
||
|
|
<span class="method-name">reset</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="reset-source">
|
||
|
|
<pre>
|
||
|
|
<span class="ruby-comment"># File lib/json/pure/parser.rb, line 105</span>
|
||
|
|
<span class="ruby-keyword">def</span> <span class="ruby-identifier">reset</span>
|
||
|
|
<span class="ruby-keyword">super</span>
|
||
|
|
<span class="ruby-ivar">@current_nesting</span> = <span class="ruby-value">0</span>
|
||
|
|
<span class="ruby-keyword">end</span></pre>
|
||
|
|
</div><!-- reset-source -->
|
||
|
|
|
||
|
|
</div>
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
</div><!-- reset-method -->
|
||
|
|
|
||
|
|
|
||
|
|
</div><!-- public-instance-method-details -->
|
||
|
|
|
||
|
|
</div><!-- 5Buntitled-5D -->
|
||
|
|
|
||
|
|
|
||
|
|
</div><!-- documentation -->
|
||
|
|
|
||
|
|
<div id="validator-badges">
|
||
|
|
<p><small><a href="http://validator.w3.org/check/referer">[Validate]</a></small></p>
|
||
|
|
<p><small>Generated with the <a href="http://deveiate.org/projects/Darkfish-Rdoc/">Darkfish
|
||
|
|
Rdoc Generator</a> 2</small>.</p>
|
||
|
|
</div>
|
||
|
|
|
||
|
|
</body>
|
||
|
|
</html>
|
||
|
|
|