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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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1
library/HTMLPurifier/HTMLModule/Hypertext.php
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@ -22,6 +22,7 @@ class HTMLPurifier_HTMLModule_Hypertext extends HTMLPurifier_HTMLModule
// 'type' => 'ContentType',
)
);
$a->formatting = true;
$a->excludes = array('a' => true);
}

12
library/HTMLPurifier/HTMLModule/Legacy.php
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@ -41,9 +41,15 @@ class HTMLPurifier_HTMLModule_Legacy extends HTMLPurifier_HTMLModule
$this->addElement('menu', 'Block', 'Required: li', 'Common', array(
'compact' => 'Bool#compact'
));
$this->addElement('s', 'Inline', 'Inline', 'Common');
$this->addElement('strike', 'Inline', 'Inline', 'Common');
$this->addElement('u', 'Inline', 'Inline', 'Common');
$s = $this->addElement('s', 'Inline', 'Inline', 'Common');
$s->formatting = true;
$strike = $this->addElement('strike', 'Inline', 'Inline', 'Common');
$strike->formatting = true;
$u = $this->addElement('u', 'Inline', 'Inline', 'Common');
$u->formatting = true;
// setup modifications to old elements

15
library/HTMLPurifier/HTMLModule/Presentation.php
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@ -16,14 +16,19 @@ class HTMLPurifier_HTMLModule_Presentation extends HTMLPurifier_HTMLModule
public $name = 'Presentation';
public function setup($config) {
$this->addElement('b', 'Inline', 'Inline', 'Common');
$this->addElement('big', 'Inline', 'Inline', 'Common');
$this->addElement('hr', 'Block', 'Empty', 'Common');
$this->addElement('i', 'Inline', 'Inline', 'Common');
$this->addElement('small', 'Inline', 'Inline', 'Common');
$this->addElement('sub', 'Inline', 'Inline', 'Common');
$this->addElement('sup', 'Inline', 'Inline', 'Common');
$this->addElement('tt', 'Inline', 'Inline', 'Common');
$b = $this->addElement('b', 'Inline', 'Inline', 'Common');
$b->formatting = true;
$big = $this->addElement('big', 'Inline', 'Inline', 'Common');
$big->formatting = true;
$i = $this->addElement('i', 'Inline', 'Inline', 'Common');
$i->formatting = true;
$small = $this->addElement('small', 'Inline', 'Inline', 'Common');
$small->formatting = true;
$tt = $this->addElement('tt', 'Inline', 'Inline', 'Common');
$tt->formatting = true;
}
}

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');
}