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Implement "carryover" functionality, requested by Kinderlehrer <bitweaver@7doves.com>

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This commit is a limited implementation of the "active formatting
elements" algorithm implemented in HTML5, which preserves certain
formatting elements such as <a> and <b> when exiting or entering nodes.

Signed-off-by: Edward Z. Yang <edwardzyang@thewritingpot.com>
This commit is contained in:
Edward Z. Yang
2008-12-20 13:06:00 -05:00
parent 119ebcda71
commit bfe474042f
17 changed files with 121 additions and 33 deletions
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16
library/HTMLPurifier/HTMLModule/Text.php
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@ -26,15 +26,21 @@ class HTMLPurifier_HTMLModule_Text extends HTMLPurifier_HTMLModule
$this->addElement('abbr', 'Inline', 'Inline', 'Common');
$this->addElement('acronym', 'Inline', 'Inline', 'Common');
$this->addElement('cite', 'Inline', 'Inline', 'Common');
$this->addElement('code', 'Inline', 'Inline', 'Common');
$this->addElement('dfn', 'Inline', 'Inline', 'Common');
$this->addElement('em', 'Inline', 'Inline', 'Common');
$this->addElement('kbd', 'Inline', 'Inline', 'Common');
$this->addElement('q', 'Inline', 'Inline', 'Common', array('cite' => 'URI'));
$this->addElement('samp', 'Inline', 'Inline', 'Common');
$this->addElement('strong', 'Inline', 'Inline', 'Common');
$this->addElement('var', 'Inline', 'Inline', 'Common');
$em = $this->addElement('em', 'Inline', 'Inline', 'Common');
$em->formatting = true;
$strong = $this->addElement('strong', 'Inline', 'Inline', 'Common');
$strong->formatting = true;
$code = $this->addElement('code', 'Inline', 'Inline', 'Common');
$code->formatting = true;
// Inline Structural ----------------------------------------------
$this->addElement('span', 'Inline', 'Inline', 'Common');
$this->addElement('br', 'Inline', 'Empty', 'Core');
@ -53,7 +59,9 @@ class HTMLPurifier_HTMLModule_Text extends HTMLPurifier_HTMLModule
$this->addElement('h6', 'Heading', 'Inline', 'Common');
// Block Structural -----------------------------------------------
$this->addElement('p', 'Block', 'Inline', 'Common');
$p = $this->addElement('p', 'Block', 'Inline', 'Common');
$p->autoclose = array_flip(array("address", "blockquote", "center", "dir", "div", "dl", "fieldset", "ol", "p", "ul"));
$this->addElement('div', 'Block', 'Flow', 'Common');
}