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Speed up cleanUTF8 with iconv. Also factored out code point to character code.

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git-svn-id: http://htmlpurifier.org/svnroot/htmlpurifier/trunk@351 48356398-32a2-884e-a903-53898d9a118a
This commit is contained in:
Edward Z. Yang
2006-08-31 22:25:48 +00:00
parent 14aeafcf22
commit b621602ac1
3 changed files with 72 additions and 50 deletions
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38
library/HTMLPurifier/EntityParser.php
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@@ -1,6 +1,7 @@
<?php
require_once 'HTMLPurifier/EntityLookup.php';
require_once 'HTMLPurifier/Encoder.php';
/**
* Handles referencing and derefencing character entities
@@ -9,7 +10,7 @@ class HTMLPurifier_EntityParser
{
/**
* Reference to entity lookup talbe.
* Reference to entity lookup table.
* @protected
*/
var $_entity_lookup;
@@ -114,40 +115,7 @@ class HTMLPurifier_EntityParser
// abort for special characters
if (isset($this->_special_dec2str[$code])) return $entity;
if($code > 1114111 or $code < 0 or
($code >= 55296 and $code <= 57343) ) {
// bits are set outside the "valid" range as defined
// by UNICODE 4.1.0
return '';
}
$x = $y = $z = $w = 0;
if ($code < 128) {
// regular ASCII character
$x = $code;
} else {
// set up bits for UTF-8
$x = ($code & 63) | 128;
if ($code < 2048) {
$y = (($code & 2047) >> 6) | 192;
} else {
$y = (($code & 4032) >> 6) | 128;
if($code < 65536) {
$z = (($code >> 12) & 15) | 224;
} else {
$z = (($code >> 12) & 63) | 128;
$w = (($code >> 18) & 7) | 240;
}
}
}
// set up the actual character
$ret = '';
if($w) $ret .= chr($w);
if($z) $ret .= chr($z);
if($y) $ret .= chr($y);
$ret .= chr($x);
return $ret;
return HTMLPurifier_Encoder::unichr($code);
} else {
if (isset($this->_special_ent2dec[$matches[3]])) return $entity;
if (!$this->_entity_lookup) {