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Update advanced API docs, link to it from index.
git-svn-id: http://htmlpurifier.org/svnroot/htmlpurifier/trunk@808 48356398-32a2-884e-a903-53898d9a118a
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@ -3,7 +3,7 @@
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"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"><head>
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<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
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<meta name="description" content="Functional specification for HTML Purifier's advanced API." />
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<meta name="description" content="Functional specification for HTML Purifier's advanced API for defining custom filtering behavior." />
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<link rel="stylesheet" type="text/css" href="style.css" />
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<title>Advanced API - HTML Purifier</title>
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@ -114,6 +114,23 @@ Currently, we have two modes, which may be used together:</p>
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various levels of operation.</dd>
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</dl>
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<p>A possible call to select modes would be:</p>
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<pre>$config->set('HTML', 'Mode', array('correctional', 'lenient'));</pre>
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<p>If modes have extra parameters, a hash might work well:</p>
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<pre>$config->set('HTML', 'Mode', array(
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'correctional' => 9, // strongest level
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'lenient' => true // this one's just boolean
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));</pre>
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<p>Modes may possibly be wrapped up with the filterset declaration:</p>
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<pre>$config->set('HTML', 'Filterset', 'Rich: correctional, lenient');</pre>
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<p>Further investigation in this field is necessary.</p>
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<h3>Selecting Modules / Tags / Attributes</h3>
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<p>If this cookie cutter approach doesn't appeal to a user, they may
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@ -126,6 +143,46 @@ as a filterset author would use, except that it would go under an
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relevant module/tag/attribute selection configuration directives were
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non-null.</p>
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<p>On the highest level, a user will usually be most interested in
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directly specifying which elements and attributes are desired. For
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example:</p>
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<pre>$config->set('HTML', 'AllowedElements', 'a,b,em,p,blockquote,code,i');</pre>
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<p>Attribute declarations could be merged into this declaration as such:</p>
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<pre>$config->set('HTML', 'Allowed', 'a[href,title],b,em,p[class],blockquote[cite],code,i');</pre>
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<p>...or be kept separate:</p>
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<pre>$config->set('HTML', 'AllowedAttributes', 'a.href,a.title,p.class,blockquote.cite');</pre>
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<p class="technical">Considering that, internally speaking, as mandated by
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the XHTML 1.1 Modularization specification, we have organized our
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elements around modules, considerable gymnastics will be needed to
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get this sort of functionality working.</p>
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<p>A user may also specify a module to load a class of elements and attributes
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into their filterest:</p>
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<pre>$config->set('HTML', 'Allowed', 'Hypertext,Core');</pre>
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<p class="fixme">The granularity of these modules is too coarse for
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the average user (for example, the core module loads everything from
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the essential <code>p</code> tag to the not-so-safe <code>h1</code>
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tag). How do we make this still a viable solution?</p>
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<h3>Unified selector</h3>
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<p>Because selecting each and every one of these configuration options
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is a chore, we may wish to offer a specialized configuration method
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for selecting a filterset. Possibility:</p>
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<pre>function selectFilter($doctype, $filterset, $mode)</pre>
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<p>...which is simply a light wrapper over the individual configuration
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calls. A custom config file format or text format could also be adopted.</p>
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<div id="version">$Id$</div>
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</body></html>
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@ -54,6 +54,10 @@ conventions.</p>
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<dt><a href="dev-optimization.html">Optimization</a></dt>
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<dd>Discusses possible methods of optimizing HTML Purifier.</dd>
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<dt><a href="dev-advanced-api.html">Advanced API</a></dt>
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<dd>Functional specification for HTML Purifier's advanced API for defining
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custom filtering behavior.</dd>
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</dl>
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<h2>Proposals</h2>
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