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Factor some stuff into the Definition, add more docs.

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git-svn-id: http://htmlpurifier.org/svnroot/htmlpurifier/trunk@134 48356398-32a2-884e-a903-53898d9a118a
This commit is contained in:
Edward Z. Yang 2006-07-30 22:57:54 +00:00
parent 558c49a92d
commit 2b5589c884
3 changed files with 34 additions and 3 deletions
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29
library/HTMLPurifier/Definition.php
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@ -7,11 +7,33 @@ require_once 'HTMLPurifier/ChildDef.php';
require_once 'HTMLPurifier/Generator.php';
require_once 'HTMLPurifier/Token.php';
/**
* Defines the purified HTML type with large amounts of objects.
*
* The main function of this object is its $info array, which is an
* associative array of all the child and attribute definitions for
* each allowed element. It also contains special use information (always
* prefixed by info) for intelligent tag closing and global attributes.
*
* Planned improvements include attribute transformation objects as well as
* migration of auto-tag-closing from HTMLPurifier_Strategy_MakeWellFormed
* (these can likely just be extensions of ElementDef).
*
* After development drops off, the definition generation will be moved to
* a maintenance script and we will stipulate that definition be created
* by a factory method that unserializes a serialized version of Definition.
* Customization would entail copying the maintenance script, making the
* necessary changes, generating the serialized object, and then hooking it
* in via the factory method. We would also offer a LiveDefinition for
* automatic recompilation, suggesting that we would have a DefinitionGenerator.
*/
class HTMLPurifier_Definition
{
var $generator;
var $info = array();
// used solely by HTMLPurifier_Strategy_MakeWellFormed
var $info_closes_p = array(
// these are all block elements: blocks aren't allowed in P
'address' => true,
@ -34,8 +56,13 @@ class HTMLPurifier_Definition
'table' => true,
'ul' => true
);
// used solely by HTMLPurifier_Strategy_ValidateAttributes
var $info_global_attr = array();
// used solely by HTMLPurifier_Strategy_FixNesting
var $info_parent = 'div';
function instance() {
static $instance = null;
if (!$instance) {

6
library/HTMLPurifier/Strategy/FixNesting.php
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@ -14,8 +14,10 @@ class HTMLPurifier_Strategy_FixNesting extends HTMLPurifier_Strategy
function execute($tokens) {
// insert implicit "parent" node, will be removed at end
array_unshift($tokens, new HTMLPurifier_Token_Start('div'));
$tokens[] = new HTMLPurifier_Token_End('div');
$parent_name = $this->definition->info_parent;
array_unshift($tokens, new HTMLPurifier_Token_Start($parent_name));
$tokens[] = new HTMLPurifier_Token_End($parent_name);
for ($i = 0, $size = count($tokens) ; $i < $size; ) {

2
library/HTMLPurifier/Strategy/MakeWellFormed.php
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@ -61,6 +61,8 @@ class HTMLPurifier_Strategy_MakeWellFormed extends HTMLPurifier_Strategy
if (!empty($current_nesting)) {
$current_parent = array_pop($current_nesting);
// this ought to be moved to definition
// check if we're closing a P tag
if ($current_parent->name == 'p' &&
isset($this->definition->info_closes_p[$token->name])