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Refactor MakeWellFormed/Injector for performance and as little code duplication as possible. Also, make AutoParagraph smarter about root nodes that don't like p tags.

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git-svn-id: http://htmlpurifier.org/svnroot/htmlpurifier/trunk@1221 48356398-32a2-884e-a903-53898d9a118a
This commit is contained in:
Edward Z. Yang
2007-06-24 17:44:27 +00:00
parent 75e52a12a6
commit 5f0663cad7
5 changed files with 169 additions and 128 deletions
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67
library/HTMLPurifier/Injector.php
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@@ -8,15 +8,78 @@
class HTMLPurifier_Injector
{
/**
* Amount of tokens the injector needs to skip + 1. Because
* the decrement is the first thing that happens, this needs to
* be one greater than the "real" skip count.
*/
var $skip = 1;
/**
* Instance of HTMLPurifier_HTMLDefinition
*/
var $htmlDefinition;
/**
* Reference to CurrentNesting variable in Context. This is an array
* list of tokens that we are currently "inside"
*/
var $currentNesting;
/**
* Reference to InputTokens variable in Context. This is an array
* list of the input tokens that are being processed.
*/
var $inputTokens;
/**
* Reference to InputIndex variable in Context. This is an integer
* array index for $this->inputTokens that indicates what token
* is currently being processed.
*/
var $inputIndex;
/**
* Prepares the injector by giving it the config and context objects,
* so that important variables can be extracted and not passed via
* parameter constantly. Remember: always instantiate a new injector
* when handling a set of HTML.
*/
function prepare($config, &$context) {
$this->htmlDefinition = $config->getHTMLDefinition();
$this->currentNesting =& $context->get('CurrentNesting');
$this->inputTokens =& $context->get('InputTokens');
$this->inputIndex =& $context->get('InputIndex');
}
/**
* Tests if the context node allows a certain element
* @param $name Name of element to test for
* @return True if element is allowed, false if it is not
*/
function allowsElement($name) {
if (!empty($this->currentNesting)) {
$parent_token = array_pop($this->currentNesting);
$this->currentNesting[] = $parent_token;
$parent = $this->htmlDefinition->info[$parent_token->name];
} else {
$parent = $this->htmlDefinition->info_parent_def;
}
if (!isset($parent->child->elements[$name]) || isset($parent->excludes[$name])) {
return false;
}
return true;
}
/**
* Handler that is called when a text token is processed
*/
function handleText(&$token, $config, &$context) {}
function handleText(&$token) {}
/**
* Handler that is called when a start token is processed
*/
function handleStart(&$token, $config, &$context) {}
function handleStart(&$token) {}
}