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[1.5.0] Add support for IDREF

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git-svn-id: http://htmlpurifier.org/svnroot/htmlpurifier/trunk@703 48356398-32a2-884e-a903-53898d9a118a
This commit is contained in:
Edward Z. Yang 2007-02-02 22:03:09 +00:00
parent e1a5d10e75
commit bda2615b30
3 changed files with 39 additions and 3 deletions
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1
NEWS
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@ -12,6 +12,7 @@ NEWS ( CHANGELOG and HISTORY ) HTMLPurifier
1.5.0, unknown release date
! Added a rudimentary I18N and L10N system modeled off MediaWiki
- Allow 'x' subtag in language codes
. Added support for IDREF attributes (i.e. for)
1.4.2, unknown release date
! docs/enduser-utf8.html explains how to use UTF-8 and HTML Purifier

22
library/HTMLPurifier/AttrDef/ID.php
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@ -39,6 +39,20 @@ HTMLPurifier_ConfigSchema::define(
class HTMLPurifier_AttrDef_ID extends HTMLPurifier_AttrDef
{
/**
* Is the ID an actual ID, or a reference to one?
* @note IDAccumulator checking is disabled for references
* @bool
*/
var $ref = false;
/**
* @param $ref bool indication if it's ID or IDREF
*/
function HTMLPurifier_AttrDef_ID($ref = false) {
$this->ref = $ref;
}
function validate($id, $config, &$context) {
$id = trim($id); // trim it first
@ -55,8 +69,10 @@ class HTMLPurifier_AttrDef_ID extends HTMLPurifier_AttrDef
'%Attr.IDPrefix is set', E_USER_WARNING);
}
$id_accumulator =& $context->get('IDAccumulator');
if (isset($id_accumulator->ids[$id])) return false;
if (!$this->ref) {
$id_accumulator =& $context->get('IDAccumulator');
if (isset($id_accumulator->ids[$id])) return false;
}
// we purposely avoid using regex, hopefully this is faster
@ -71,7 +87,7 @@ class HTMLPurifier_AttrDef_ID extends HTMLPurifier_AttrDef
$result = ($trim === '');
}
if ($result) $id_accumulator->add($id);
if (!$this->ref && $result) $id_accumulator->add($id);
// if no change was made to the ID, return the result
// else, return the new id if stripping whitespace made it

19
tests/HTMLPurifier/AttrDef/IDTest.php
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@ -74,6 +74,25 @@ class HTMLPurifier_AttrDef_IDTest extends HTMLPurifier_AttrDefHarness
}
function testIDReference() {
$this->def = new HTMLPurifier_AttrDef_ID(true);
$this->assertDef('good_id');
$this->assertDef('good_id'); // duplicates okay
$this->assertDef('<b>', false);
$this->def = new HTMLPurifier_AttrDef_ID();
$this->assertDef('good_id');
$this->assertDef('good_id', false); // duplicate now not okay
$this->def = new HTMLPurifier_AttrDef_ID(true);
$this->assertDef('good_id'); // reference still okay
}
}
?>