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<div class="ChapSects"><a href="chap1.html#X87B639367C9770AE">1 <span class="Heading">GAP-JSON mapping</span></a>
<div class="ContSect"><span class="tocline"><span class="nocss"> </span><a href="chap1.html#X8606FDCE878850EF">1.1 <span class="Heading">Methods</span></a>
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<span class="ContSS"><br /><span class="nocss"> </span><a href="chap1.html#X83B041337FB4E4D1">1.1-1 GapToJsonStream</a></span>
<span class="ContSS"><br /><span class="nocss"> </span><a href="chap1.html#X855531F88506F3D0">1.1-2 GapToJsonString</a></span>
<span class="ContSS"><br /><span class="nocss"> </span><a href="chap1.html#X823A762684DC39C1">1.1-3 JsonStringToGap</a></span>
<span class="ContSS"><br /><span class="nocss"> </span><a href="chap1.html#X823DB24A7D2F7D64">1.1-4 JsonStreamToGap</a></span>
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<h3>1 <span class="Heading">GAP-JSON mapping</span></h3>
<p>This package defines a mapping between the JSON markup language and GAP. The built-in datatypes of GAP provide an easy mapping to and from JSON. This package uses the following mapping between GAP and JSON.</p>
<ul>
<li><p>JSON lists are mapped to GAP lists</p>
</li>
<li><p>JSON dictionaries are mapped to GAP records</p>
</li>
<li><p>JSON strings are mapped to GAP strings</p>
</li>
<li><p>Integers are mapped to GAP integers, non-integer numbers are mapped to Floats</p>
</li>
<li><p>true, false and null are mapped to true, false and fail respectively</p>
</li>
</ul>
<p>Note that this library is *NOT* intended to provide a general purpose library for transmitting any GAP object. If you wish to do this, look at the openmath package, or IO_Pickle in the IO package.</p>
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<h4>1.1 <span class="Heading">Methods</span></h4>
<p><a id="X83B041337FB4E4D1" name="X83B041337FB4E4D1"></a></p>
<h5>1.1-1 GapToJsonStream</h5>
<div class="func"><table class="func" width="100%"><tr><td class="tdleft"><code class="func">an style='color: green'>8227; GapToJsonStream</code>( <var class="Arg">stream</var>, <var class="Arg">value</var> )</td><td class="tdright">( function )</td></tr></table></div>
<p>Converts the <var class="Arg">value</var> to JSON, and outputs it to <var class="Arg">stream</var>. This function disables GAP's usual line splitting while JSON is being outputted.</p>
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<h5>1.1-2 GapToJsonString</h5>
<div class="func"><table class="func" width="100%"><tr><td class="tdleft"><code class="func">an style='color: green'>8227; GapToJsonString</code>( <var class="Arg">value</var> )</td><td class="tdright">( function )</td></tr></table></div>
<p>Returns: string</p>
<p>Converts a GAP <var class="Arg">value</var> to a JSON string.</p>
<p><a id="X823A762684DC39C1" name="X823A762684DC39C1"></a></p>
<h5>1.1-3 JsonStringToGap</h5>
<div class="func"><table class="func" width="100%"><tr><td class="tdleft"><code class="func">an style='color: green'>8227; JsonStringToGap</code>( <var class="Arg">string</var> )</td><td class="tdright">( function )</td></tr></table></div>
<p>Returns: value</p>
<p>Converts a JSON <var class="Arg">string</var> into a GAP value.</p>
<p><a id="X823DB24A7D2F7D64" name="X823DB24A7D2F7D64"></a></p>
<h5>1.1-4 JsonStreamToGap</h5>
<div class="func"><table class="func" width="100%"><tr><td class="tdleft"><code class="func">an style='color: green'>8227; JsonStreamToGap</code>( <var class="Arg">stream</var> )</td><td class="tdright">( function )</td></tr></table></div>
<p>Returns: value</p>
<p>Reads a single JSON object from a <var class="Arg">stream</var> and converts it to a GAP value.</p>
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