Injector that converts http, https and ftp text URLs to actual links. More...

Inheritance diagram for HTMLPurifier_Injector_Linkify:

Collaboration diagram for HTMLPurifier_Injector_Linkify:

Public Member Functions
	handleText (&$token)

Public Member Functions inherited from HTMLPurifier_Injector
	rewindOffset ($offset)
	Rewind to a spot to re-perform processing. More...

	getRewindOffset ()
	Retrieves rewind offset, and then unsets it. More...

	prepare ($config, $context)
	Prepares the injector by giving it the config and context objects: this allows references to important variables to be made within the injector. More...

	checkNeeded ($config)
	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. More...

	allowsElement ($name)
	Tests if the context node allows a certain element. More...

	handleText (&$token)
	Handler that is called when a text token is processed. More...

	handleElement (&$token)
	Handler that is called when a start or empty token is processed. More...

	handleEnd (&$token)
	Handler that is called when an end token is processed. More...

	notifyEnd ($token)
	Notifier that is called when an end token is processed. More...

Data Fields
	$name = 'Linkify'
	string More...

	$needed = array('a' => array('href'))
	array More...

Data Fields inherited from HTMLPurifier_Injector
	$name
	Advisory name of injector, this is for friendly error messages. More...

	$needed = array()
	Array of elements and attributes this injector creates and therefore need to be allowed by the definition. More...

Additional Inherited Members
Protected Member Functions inherited from HTMLPurifier_Injector
	forward (&$i, &$current)
	Iterator function, which starts with the next token and continues until you reach the end of the input tokens. More...

	forwardUntilEndToken (&$i, &$current, &$nesting)
	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. More...

	backward (&$i, &$current)
	Iterator function, starts with the previous token and continues until you reach the beginning of input tokens. More...

Protected Attributes inherited from HTMLPurifier_Injector
	$htmlDefinition
	HTMLPurifier_HTMLDefinition More...

	$currentNesting
	Reference to CurrentNesting variable in Context. More...

	$currentToken
	Reference to current token. More...

	$inputZipper
	Reference to InputZipper variable in Context. More...

	$rewindOffset = false
	Number of elements to rewind backwards (relative). More...

Detailed Description

Injector that converts http, https and ftp text URLs to actual links.

Definition at line 6 of file Linkify.php.

Member Function Documentation

◆ handleText()

HTMLPurifier_Injector_Linkify::handleText ( & $token )

Parameters

HTMLPurifier_Token $token

Definition at line 21 of file Linkify.php.

References $i, $l, HTMLPurifier_Injector\allowsElement(), and array.

     {
         if (!$this->allowsElement('a')) {
             return;
         }
 
         if (strpos($token->data, '://') === false) {
             // our really quick heuristic failed, abort
             // this may not work so well if we want to match things like
             // "google.com", but then again, most people don't
             return;
         }
 
         // there is/are URL(s). Let's split the string.
         // We use this regex:
         // https://gist.github.com/gruber/249502
         // but with @cscott's backtracking fix and also
         // the Unicode characters un-Unicodified.
         $bits = preg_split(
             '/\\b((?:[a-z][\\w\\-]+:(?:\\/{1,3}|[a-z0-9%])|www\\d{0,3}[.]|[a-z0-9.\\-]+[.][a-z]{2,4}\\/)(?:[^\\s()<>]|\\((?:[^\\s()<>]|(?:\\([^\\s()<>]+\\)))*\\))+(?:\\((?:[^\\s()<>]|(?:\\([^\\s()<>]+\\)))*\\)|[^\\s`!()\\[\\]{};:\'".,<>?\x{00ab}\x{00bb}\x{201c}\x{201d}\x{2018}\x{2019}]))/iu',
             $token->data, -1, PREG_SPLIT_DELIM_CAPTURE);
 
 
         $token = array();
 
         // $i = index
         // $c = count
         // $l = is link
         for ($i = 0, $c = count($bits), $l = false; $i < $c; $i++, $l = !$l) {
             if (!$l) {
                 if ($bits[$i] === '') {
                     continue;
                 }
                 $token[] = new HTMLPurifier_Token_Text($bits[$i]);
             } else {
                 $token[] = new HTMLPurifier_Token_Start('a', array('href' => $bits[$i]));
                 $token[] = new HTMLPurifier_Token_Text($bits[$i]);
                 $token[] = new HTMLPurifier_Token_End('a');
             }
         }
     }

Here is the call graph for this function:

Field Documentation

◆ $name

HTMLPurifier_Injector_Linkify::$name = 'Linkify'

string

Definition at line 11 of file Linkify.php.

◆ $needed

HTMLPurifier_Injector_Linkify::$needed = array('a' => array('href'))

array

Definition at line 16 of file Linkify.php.

The documentation for this class was generated from the following file:

libs/composer/vendor/ezyang/htmlpurifier/library/HTMLPurifier/Injector/Linkify.php

Public Member Functions