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<h1><a href="../For_Developers/Creating_a_Processor.html">For Developers</a> <svg class="Page__header--separator" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 477.175 477.175"><path d="M360.73 229.075l-225.1-225.1c-5.3-5.3-13.8-5.3-19.1 0s-5.3 13.8 0 19.1l215.5 215.5-215.5 215.5c-5.3 5.3-5.3 13.8 0 19.1 2.6 2.6 6.1 4 9.5 4 3.4 0 6.9-1.3 9.5-4l225.1-225.1c5.3-5.2 5.3-13.8.1-19z"/></svg> <a href="../For_Developers/Creating_a_Processor.html">Creating a Processor</a></h1>
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Thursday, June 7, 2018 11:42 AM </span>
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<p>The recommended way to extend Daux is through Processors.</p>
<p>The main advantage, is that you can run it with the source or with <code>daux</code> independently. You don't need to hack in the core.</p>
<h2 id="page_Adding-classes">Adding classes</h2>
<p>Next to your <code>docs</code> directory, you can create a <code>daux</code> directory that can contain your Processor.</p>
<p>The classes must respect the PSR-4 Naming convention. And have <code>\Todaymade\Daux\Extension</code> as a base namespace.</p>
<p>By default, we created a <code>daux/Processor.php</code> file to get you started.</p>
<h2 id="page_A-quick-test">A quick test ?</h2>
<p>For the example we're just going to dump the tree and exit.</p>
<pre><code class="language-php">public function manipulateTree(Root $root)
{
print_r($root-&gt;dump());
exit;
}
</code></pre>
<p>also, add this at the beginning of the file:</p>
<pre><code class="language-php">use Todaymade\Daux\Tree\Root;
</code></pre>
<p>Let's just try if it works by running <code>daux --processor=Processor</code></p>
<p>Yes, you get a big array dump! You're good to go.</p>
<h2 id="page_What-can-I-achieve">What can I achieve ?</h2>
<p>There are a few methods that you can override to add some</p>
<h3 id="page_Change-the-parsed-tree">Change the parsed tree.</h3>
<p>By default, Daux.io parses your directory to find pages. but, for a reason or another, you might want to programmatically add some pages.</p>
<p>This can be done with:</p>
<pre><code class="language-php">public function manipulateTree(Root $root)
{
}
</code></pre>
<p>Two helpers from the class <code>Todaymade\Daux\Tree\Builder</code> will greatly help you doing that:</p>
<pre><code class="language-php">$new = Builder::getOrCreateDir($root, 'New Pages');
$page = Builder::getOrCreatePage($new, 'index');
$page-&gt;setContent('The index page for the new folder');
$page = Builder::getOrCreatePage($new, 'A New Hope');
$page-&gt;setContent('A long time ago in a galaxy far away');
</code></pre>
<p>Both methods <code>getOrCreateDir</code> and <code>getOrCreatePage</code> take two parameters : <code>parent</code> and <code>title</code></p>
<p>The page will automatically be treated as markdown and converted like a normal page.</p>
<p>If you create a new ContentType, like let's say LaTeX, you would set the title <code>My Page.tex</code> it will keep the title <code>My Page</code> and use your renderer.</p>
<p>If the extension is not mapped to a Generator, it will simply create the file as-is without manipulation.</p>
<h3 id="page_Extend-the-Markdown-Generator">Extend the Markdown Generator</h3>
<p>You can extend the Markdown Parser in any way wou want with this method.</p>
<pre><code class="language-php">public function extendCommonMarkEnvironment(Environment $environment)
{
}
</code></pre>
<p>See the details on <a href="http://commonmark.thephpleague.com/customization/overview/" class="Link--external">CommonMark's website</a>.</p>
<h3 id="page_Add-new-generators">Add new generators</h3>
<p>You can add new generators to Daux.io and use them right away, they must implement the
<code>\Todaymade\Daux\Format\Base\Generator</code> interface and if you want to use the live mode with your generator
you have to implement <code>\Todaymade\Daux\Format\Base\LiveGenerator</code>.</p>
<pre><code class="language-php">public function addGenerators()
{
return ['custom_generator' =&gt; '\Todaymade\Daux\Extension\MyNewGenerator'];
}
</code></pre>
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