From acccafe3daee1c94064202d38fa244bd5a15c2e7 Mon Sep 17 00:00:00 2001 From: Andrew Dolgov Date: Sun, 28 Oct 2012 12:21:21 +0400 Subject: replace htmlpurifier with htmlawed --- lib/htmlpurifier/library/HTMLPurifier/Injector.php | 239 --------------------- 1 file changed, 239 deletions(-) delete mode 100644 lib/htmlpurifier/library/HTMLPurifier/Injector.php (limited to 'lib/htmlpurifier/library/HTMLPurifier/Injector.php') diff --git a/lib/htmlpurifier/library/HTMLPurifier/Injector.php b/lib/htmlpurifier/library/HTMLPurifier/Injector.php deleted file mode 100644 index 5922f8130..000000000 --- a/lib/htmlpurifier/library/HTMLPurifier/Injector.php +++ /dev/null @@ -1,239 +0,0 @@ -processToken() - * documentation. - * - * @todo Allow injectors to request a re-run on their output. This - * would help if an operation is recursive. - */ -abstract class HTMLPurifier_Injector -{ - - /** - * Advisory name of injector, this is for friendly error messages - */ - public $name; - - /** - * Instance of HTMLPurifier_HTMLDefinition - */ - protected $htmlDefinition; - - /** - * Reference to CurrentNesting variable in Context. This is an array - * list of tokens that we are currently "inside" - */ - protected $currentNesting; - - /** - * Reference to InputTokens variable in Context. This is an array - * list of the input tokens that are being processed. - */ - protected $inputTokens; - - /** - * Reference to InputIndex variable in Context. This is an integer - * array index for $this->inputTokens that indicates what token - * is currently being processed. - */ - protected $inputIndex; - - /** - * Array of elements and attributes this injector creates and therefore - * need to be allowed by the definition. Takes form of - * array('element' => array('attr', 'attr2'), 'element2') - */ - public $needed = array(); - - /** - * Index of inputTokens to rewind to. - */ - protected $rewind = false; - - /** - * Rewind to a spot to re-perform processing. This is useful if you - * deleted a node, and now need to see if this change affected any - * earlier nodes. Rewinding does not affect other injectors, and can - * result in infinite loops if not used carefully. - * @warning HTML Purifier will prevent you from fast-forwarding with this - * function. - */ - public function rewind($index) { - $this->rewind = $index; - } - - /** - * Retrieves rewind, and then unsets it. - */ - public function getRewind() { - $r = $this->rewind; - $this->rewind = false; - return $r; - } - - /** - * Prepares the injector by giving it the config and context objects: - * this allows references to important variables to be made within - * the injector. This function also checks if the HTML environment - * will work with the Injector (see checkNeeded()). - * @param $config Instance of HTMLPurifier_Config - * @param $context Instance of HTMLPurifier_Context - * @return Boolean false if success, string of missing needed element/attribute if failure - */ - public function prepare($config, $context) { - $this->htmlDefinition = $config->getHTMLDefinition(); - // Even though this might fail, some unit tests ignore this and - // still test checkNeeded, so be careful. Maybe get rid of that - // dependency. - $result = $this->checkNeeded($config); - if ($result !== false) return $result; - $this->currentNesting =& $context->get('CurrentNesting'); - $this->inputTokens =& $context->get('InputTokens'); - $this->inputIndex =& $context->get('InputIndex'); - return false; - } - - /** - * This function checks if the HTML environment - * will work with the Injector: if p tags are not allowed, the - * Auto-Paragraphing injector should not be enabled. - * @param $config Instance of HTMLPurifier_Config - * @param $context Instance of HTMLPurifier_Context - * @return Boolean false if success, string of missing needed element/attribute if failure - */ - public function checkNeeded($config) { - $def = $config->getHTMLDefinition(); - foreach ($this->needed as $element => $attributes) { - if (is_int($element)) $element = $attributes; - if (!isset($def->info[$element])) return $element; - if (!is_array($attributes)) continue; - foreach ($attributes as $name) { - if (!isset($def->info[$element]->attr[$name])) return "$element.$name"; - } - } - return false; - } - - /** - * Tests if the context node allows a certain element - * @param $name Name of element to test for - * @return True if element is allowed, false if it is not - */ - public function allowsElement($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[$name])) { - return false; - } - // check for exclusion - for ($i = count($this->currentNesting) - 2; $i >= 0; $i--) { - $node = $this->currentNesting[$i]; - $def = $this->htmlDefinition->info[$node->name]; - if (isset($def->excludes[$name])) return false; - } - return true; - } - - /** - * Iterator function, which starts with the next token and continues until - * you reach the end of the input tokens. - * @warning Please prevent previous references from interfering with this - * functions by setting $i = null beforehand! - * @param &$i Current integer index variable for inputTokens - * @param &$current Current token variable. Do NOT use $token, as that variable is also a reference - */ - protected function forward(&$i, &$current) { - if ($i === null) $i = $this->inputIndex + 1; - else $i++; - if (!isset($this->inputTokens[$i])) return false; - $current = $this->inputTokens[$i]; - return true; - } - - /** - * Similar to _forward, but accepts a third parameter $nesting (which - * should be initialized at 0) and stops when we hit the end tag - * for the node $this->inputIndex starts in. - */ - protected function forwardUntilEndToken(&$i, &$current, &$nesting) { - $result = $this->forward($i, $current); - if (!$result) return false; - if ($nesting === null) $nesting = 0; - if ($current instanceof HTMLPurifier_Token_Start) $nesting++; - elseif ($current instanceof HTMLPurifier_Token_End) { - if ($nesting <= 0) return false; - $nesting--; - } - return true; - } - - /** - * Iterator function, starts with the previous token and continues until - * you reach the beginning of input tokens. - * @warning Please prevent previous references from interfering with this - * functions by setting $i = null beforehand! - * @param &$i Current integer index variable for inputTokens - * @param &$current Current token variable. Do NOT use $token, as that variable is also a reference - */ - protected function backward(&$i, &$current) { - if ($i === null) $i = $this->inputIndex - 1; - else $i--; - if ($i < 0) return false; - $current = $this->inputTokens[$i]; - return true; - } - - /** - * Initializes the iterator at the current position. Use in a do {} while; - * loop to force the _forward and _backward functions to start at the - * current location. - * @warning Please prevent previous references from interfering with this - * functions by setting $i = null beforehand! - * @param &$i Current integer index variable for inputTokens - * @param &$current Current token variable. Do NOT use $token, as that variable is also a reference - */ - protected function current(&$i, &$current) { - if ($i === null) $i = $this->inputIndex; - $current = $this->inputTokens[$i]; - } - - /** - * Handler that is called when a text token is processed - */ - public function handleText(&$token) {} - - /** - * Handler that is called when a start or empty token is processed - */ - public function handleElement(&$token) {} - - /** - * Handler that is called when an end token is processed - */ - public function handleEnd(&$token) { - $this->notifyEnd($token); - } - - /** - * Notifier that is called when an end token is processed - * @note This differs from handlers in that the token is read-only - * @deprecated - */ - public function notifyEnd($token) {} - - -} - -// vim: et sw=4 sts=4 -- cgit v1.2.3