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[2.0.1] Implement error collection for RemoveForeignElements.

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- Register Generator context variable.
- Implement special substitutions for error collector.
- Also sort by order the errors came in.
- Fix line number determination bug in Lexer::create().
- Remove vestigial variables.
- Force all tag transforms to use copy(), implement serialize, unserialize algorithm for copy() in tokens.

git-svn-id: http://htmlpurifier.org/svnroot/htmlpurifier/trunk@1238 48356398-32a2-884e-a903-53898d9a118a
This commit is contained in:
Edward Z. Yang
2007-06-26 02:49:21 +00:00
parent 98b4e70a93
commit 7a8edc88f9
15 changed files with 203 additions and 42 deletions
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23
library/HTMLPurifier/Strategy/RemoveForeignElements.php
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@@ -56,6 +56,11 @@ class HTMLPurifier_Strategy_RemoveForeignElements extends HTMLPurifier_Strategy
$token = false;
$context->register('CurrentToken', $token);
$e = false;
if ($config->get('Core', 'CollectErrors')) {
$e =& $context->get('ErrorCollector');
}
foreach($tokens as $token) {
if ($remove_until) {
if (empty($token->is_tag) || $token->name !== $remove_until) {
@@ -69,11 +74,13 @@ class HTMLPurifier_Strategy_RemoveForeignElements extends HTMLPurifier_Strategy
if (
isset($definition->info_tag_transform[$token->name])
) {
$original_name = $token->name;
// there is a transformation for this tag
// DEFINITION CALL
$token = $definition->
info_tag_transform[$token->name]->
transform($token, $config, $context);
if ($e) $e->send(E_NOTICE, 'Strategy_RemoveForeignElements: Tag transform', $original_name);
}
if (isset($definition->info[$token->name])) {
@@ -92,7 +99,10 @@ class HTMLPurifier_Strategy_RemoveForeignElements extends HTMLPurifier_Strategy
break;
}
}
if (!$ok) continue;
if (!$ok) {
if ($e) $e->send(E_ERROR, 'Strategy_RemoveForeignElements: Missing required attribute', $token->name, $name);
continue;
}
$token->armor['ValidateAttributes'] = true;
}
@@ -104,7 +114,8 @@ class HTMLPurifier_Strategy_RemoveForeignElements extends HTMLPurifier_Strategy
}
} elseif ($escape_invalid_tags) {
// invalid tag, generate HTML and insert in
// invalid tag, generate HTML representation and insert in
if ($e) $e->send(E_WARNING, 'Strategy_RemoveForeignElements: Foreign element to text', $token->name);
$token = new HTMLPurifier_Token_Text(
$generator->generateFromToken($token, $config, $context)
);
@@ -119,6 +130,9 @@ class HTMLPurifier_Strategy_RemoveForeignElements extends HTMLPurifier_Strategy
} else {
$remove_until = false;
}
if ($e) $e->send(E_ERROR, 'Strategy_RemoveForeignElements: Script removed');
} else {
if ($e) $e->send(E_ERROR, 'Strategy_RemoveForeignElements: Foreign element removed', $token->name);
}
continue;
}
@@ -129,6 +143,7 @@ class HTMLPurifier_Strategy_RemoveForeignElements extends HTMLPurifier_Strategy
$token = new HTMLPurifier_Token_Text($data);
} else {
// strip comments
if ($e) $e->send(E_ERROR, 'Strategy_RemoveForeignElements: Comment removed', $token->data);
continue;
}
} elseif ($token->type == 'text') {
@@ -137,6 +152,10 @@ class HTMLPurifier_Strategy_RemoveForeignElements extends HTMLPurifier_Strategy
}
$result[] = $token;
}
if ($remove_until && $e) {
// we removed tokens until the end, throw error
$e->send(E_ERROR, 'Strategy_RemoveForeignElements: Token removed to end', $remove_until);
}
$context->destroy('CurrentToken');