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Rename Lexer, separate files. Also augmented benchmarks and benchmarker,

git-svn-id: http://htmlpurifier.org/svnroot/htmlpurifier/trunk@79 48356398-32a2-884e-a903-53898d9a118a
This commit is contained in:
Edward Z. Yang
2006-07-22 12:53:04 +00:00
parent e52890276b
commit 3e982c7f2c
9 changed files with 614 additions and 438 deletions

View File

@@ -1,7 +1,6 @@
<?php
/*
Forgivingly lexes SGML style documents, aka HTML, XML, XHMTML, you name it.
TODO:
* Reread the XML spec and make sure I got everything right
@@ -12,9 +11,9 @@ TODO:
*/
require_once 'HTMLPurifier/Token.php';
require_once 'HTMLPurifier/Lexer.php';
class HTMLPurifier_Lexer
class HTMLPurifier_Lexer_DirectLex extends HTMLPurifier_Lexer
{
// does this version of PHP support utf8 as entity function charset?
@@ -94,7 +93,7 @@ class HTMLPurifier_Lexer
function tokenizeHTML($string) {
// some quick checking (if empty, return empty)
$string = (string) $string;
$string = @ (string) $string;
if ($string == '') return array();
$cursor = 0; // our location in the text
@@ -343,57 +342,4 @@ class HTMLPurifier_Lexer
}
// uses the PEAR class XML_HTMLSax3 to parse XML
// only shares the tokenizeHTML() function
class HTMLPurifier_Lexer_Sax extends HTMLPurifier_Lexer
{
var $tokens = array();
function tokenizeHTML($html) {
$this->tokens = array();
$parser=& new XML_HTMLSax3();
$parser->set_object($this);
$parser->set_element_handler('openHandler','closeHandler');
$parser->set_data_handler('dataHandler');
$parser->set_escape_handler('escapeHandler');
$parser->set_option('XML_OPTION_ENTITIES_PARSED', 1);
$parser->parse($html);
return $this->tokens;
}
function openHandler(&$parser, $name, $attrs, $closed) {
if ($closed) {
$this->tokens[] = new HTMLPurifier_Token_Empty($name, $attrs);
} else {
$this->tokens[] = new HTMLPurifier_Token_Start($name, $attrs);
}
return true;
}
function closeHandler(&$parser, $name) {
// HTMLSax3 seems to always send empty tags an extra close tag
// check and ignore if you see it:
// [TESTME] to make sure it doesn't overreach
if ($this->tokens[count($this->tokens)-1]->type == 'empty') {
return true;
}
$this->tokens[] = new HTMLPurifier_Token_End($name);
return true;
}
function dataHandler(&$parser, $data) {
$this->tokens[] = new HTMLPurifier_Token_Text($data);
return true;
}
function escapeHandler(&$parser, $data) {
if (strpos($data, '-') === 0) {
$this->tokens[] = new HTMLPurifier_Token_Comment($data);
}
return true;
}
}
?>