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Code Issues Releases Wiki Activity

Implement Internet Explorer compatibility code for embedded content.

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Signed-off-by: Edward Z. Yang <ezyang@mit.edu>
This commit is contained in:
Edward Z. Yang
2010-03-08 01:56:40 -05:00
parent baa477ac08
commit 0229458f8f
8 changed files with 81 additions and 14 deletions
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43
library/HTMLPurifier/Generator.php
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@@ -31,6 +31,17 @@ class HTMLPurifier_Generator
*/
private $_sortAttr;
/**
* Cache of %Output.FlashCompat
*/
private $_flashCompat;
/**
* Stack for keeping track of object information when outputting IE
* compatibility code.
*/
private $_flashStack = array();
/**
* Configuration for the generator
*/
@@ -44,6 +55,7 @@ class HTMLPurifier_Generator
$this->config = $config;
$this->_scriptFix = $config->get('Output.CommentScriptContents');
$this->_sortAttr = $config->get('Output.SortAttr');
$this->_flashCompat = $config->get('Output.FlashCompat');
$this->_def = $config->getHTMLDefinition();
$this->_xhtml = $this->_def->doctype->xml;
}
@@ -104,12 +116,41 @@ class HTMLPurifier_Generator
} elseif ($token instanceof HTMLPurifier_Token_Start) {
$attr = $this->generateAttributes($token->attr, $token->name);
if ($this->_flashCompat) {
if ($token->name == "object") {
$flash = new stdclass();
$flash->attr = $token->attr;
$flash->param = array();
$this->_flashStack[] = $flash;
}
}
return '<' . $token->name . ($attr ? ' ' : '') . $attr . '>';
} elseif ($token instanceof HTMLPurifier_Token_End) {
return '</' . $token->name . '>';
$_extra = '';
if ($this->_flashCompat) {
if ($token->name == "object" && !empty($this->_flashStack)) {
$flash = array_pop($this->_flashStack);
$compat_token = new HTMLPurifier_Token_Empty("embed");
foreach ($flash->attr as $name => $val) {
if ($name == "classid") continue;
if ($name == "type") continue;
if ($name == "data") $name = "src";
$compat_token->attr[$name] = $val;
}
foreach ($flash->param as $name => $val) {
if ($name == "movie") $name = "src";
$compat_token->attr[$name] = $val;
}
}
$_extra = "<!--[if IE]>".$this->generateFromToken($compat_token)."<![endif]-->";
}
return $_extra . '</' . $token->name . '>';
} elseif ($token instanceof HTMLPurifier_Token_Empty) {
if ($this->_flashCompat && $token->name == "param" && !empty($this->_flashStack)) {
$this->_flashStack[count($this->_flashStack)-1]->param[$token->attr['name']] = $token->attr['value'];
}
$attr = $this->generateAttributes($token->attr, $token->name);
return '<' . $token->name . ($attr ? ' ' : '') . $attr .
( $this->_xhtml ? ' /': '' ) // <br /> v. <br>