911 lines
22 KiB
PHP
911 lines
22 KiB
PHP
<?php
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/**
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* Renderer output base class
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*
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* @author Harry Fuecks <hfuecks@gmail.com>
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* @author Andreas Gohr <andi@splitbrain.org>
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*/
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use dokuwiki\Extension\Plugin;
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use dokuwiki\Extension\SyntaxPlugin;
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/**
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* Allowed chars in $language for code highlighting
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* @see GeSHi::set_language()
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*/
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define('PREG_PATTERN_VALID_LANGUAGE', '#[^a-zA-Z0-9\-_]#');
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/**
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* An empty renderer, produces no output
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*
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* Inherits from dokuwiki\Plugin\DokuWiki_Plugin for giving additional functions to render plugins
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*
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* The renderer transforms the syntax instructions created by the parser and handler into the
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* desired output format. For each instruction a corresponding method defined in this class will
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* be called. That method needs to produce the desired output for the instruction and add it to the
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* $doc field. When all instructions are processed, the $doc field contents will be cached by
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* DokuWiki and sent to the user.
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*/
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abstract class Doku_Renderer extends Plugin {
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/** @var array Settings, control the behavior of the renderer */
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public $info = array(
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'cache' => true, // may the rendered result cached?
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'toc' => true, // render the TOC?
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);
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/** @var array contains the smiley configuration, set in p_render() */
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public $smileys = array();
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/** @var array contains the entity configuration, set in p_render() */
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public $entities = array();
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/** @var array contains the acronym configuration, set in p_render() */
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public $acronyms = array();
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/** @var array contains the interwiki configuration, set in p_render() */
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public $interwiki = array();
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/** @var array the list of headers used to create unique link ids */
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protected $headers = array();
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/**
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* @var string the rendered document, this will be cached after the renderer ran through
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*/
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public $doc = '';
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/**
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* clean out any per-use values
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*
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* This is called before each use of the renderer object and should be used to
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* completely reset the state of the renderer to be reused for a new document
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*/
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public function reset(){
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$this->headers = array();
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$this->doc = '';
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$this->info['cache'] = true;
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$this->info['toc'] = true;
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}
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/**
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* Allow the plugin to prevent DokuWiki from reusing an instance
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*
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* Since most renderer plugins fail to implement Doku_Renderer::reset() we default
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* to reinstantiating the renderer here
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*
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* @return bool false if the plugin has to be instantiated
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*/
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public function isSingleton() {
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return false;
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}
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/**
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* Returns the format produced by this renderer.
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*
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* Has to be overidden by sub classes
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*
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* @return string
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*/
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abstract public function getFormat();
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/**
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* Disable caching of this renderer's output
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*/
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public function nocache() {
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$this->info['cache'] = false;
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}
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/**
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* Disable TOC generation for this renderer's output
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*
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* This might not be used for certain sub renderer
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*/
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public function notoc() {
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$this->info['toc'] = false;
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}
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/**
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* Handle plugin rendering
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*
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* Most likely this needs NOT to be overwritten by sub classes
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*
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* @param string $name Plugin name
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* @param mixed $data custom data set by handler
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* @param string $state matched state if any
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* @param string $match raw matched syntax
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*/
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public function plugin($name, $data, $state = '', $match = '') {
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/** @var SyntaxPlugin $plugin */
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$plugin = plugin_load('syntax', $name);
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if($plugin != null) {
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$plugin->render($this->getFormat(), $this, $data);
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}
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}
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/**
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* handle nested render instructions
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* this method (and nest_close method) should not be overloaded in actual renderer output classes
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*
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* @param array $instructions
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*/
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public function nest($instructions) {
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foreach($instructions as $instruction) {
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// execute the callback against ourself
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if(method_exists($this, $instruction[0])) {
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call_user_func_array(array($this, $instruction[0]), $instruction[1] ? $instruction[1] : array());
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}
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}
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}
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/**
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* dummy closing instruction issued by Doku_Handler_Nest
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*
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* normally the syntax mode should override this instruction when instantiating Doku_Handler_Nest -
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* however plugins will not be able to - as their instructions require data.
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*/
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public function nest_close() {
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}
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#region Syntax modes - sub classes will need to implement them to fill $doc
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/**
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* Initialize the document
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*/
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public function document_start() {
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}
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/**
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* Finalize the document
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*/
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public function document_end() {
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}
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/**
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* Render the Table of Contents
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*
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* @return string
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*/
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public function render_TOC() {
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return '';
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}
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/**
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* Add an item to the TOC
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*
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* @param string $id the hash link
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* @param string $text the text to display
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* @param int $level the nesting level
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*/
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public function toc_additem($id, $text, $level) {
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}
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/**
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* Render a heading
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*
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* @param string $text the text to display
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* @param int $level header level
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* @param int $pos byte position in the original source
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*/
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public function header($text, $level, $pos) {
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}
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/**
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* Open a new section
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*
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* @param int $level section level (as determined by the previous header)
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*/
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public function section_open($level) {
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}
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/**
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* Close the current section
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*/
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public function section_close() {
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}
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/**
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* Render plain text data
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*
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* @param string $text
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*/
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public function cdata($text) {
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}
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/**
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* Open a paragraph
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*/
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public function p_open() {
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}
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/**
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* Close a paragraph
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*/
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public function p_close() {
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}
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/**
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* Create a line break
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*/
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public function linebreak() {
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}
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/**
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* Create a horizontal line
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*/
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public function hr() {
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}
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/**
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* Start strong (bold) formatting
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*/
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public function strong_open() {
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}
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/**
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* Stop strong (bold) formatting
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*/
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public function strong_close() {
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}
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/**
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* Start emphasis (italics) formatting
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*/
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public function emphasis_open() {
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}
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/**
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* Stop emphasis (italics) formatting
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*/
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public function emphasis_close() {
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}
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/**
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* Start underline formatting
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*/
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public function underline_open() {
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}
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/**
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* Stop underline formatting
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*/
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public function underline_close() {
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}
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/**
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* Start monospace formatting
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*/
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public function monospace_open() {
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}
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/**
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* Stop monospace formatting
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*/
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public function monospace_close() {
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}
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/**
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* Start a subscript
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*/
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public function subscript_open() {
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}
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/**
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* Stop a subscript
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*/
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public function subscript_close() {
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}
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/**
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* Start a superscript
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*/
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public function superscript_open() {
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}
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/**
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* Stop a superscript
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*/
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public function superscript_close() {
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}
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/**
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* Start deleted (strike-through) formatting
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*/
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public function deleted_open() {
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}
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/**
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* Stop deleted (strike-through) formatting
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*/
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public function deleted_close() {
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}
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/**
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* Start a footnote
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*/
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public function footnote_open() {
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}
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/**
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* Stop a footnote
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*/
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public function footnote_close() {
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}
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/**
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* Open an unordered list
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*/
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public function listu_open() {
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}
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/**
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* Close an unordered list
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*/
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public function listu_close() {
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}
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/**
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* Open an ordered list
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*/
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public function listo_open() {
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}
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/**
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* Close an ordered list
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*/
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public function listo_close() {
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}
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/**
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* Open a list item
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*
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* @param int $level the nesting level
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* @param bool $node true when a node; false when a leaf
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*/
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public function listitem_open($level,$node=false) {
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}
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/**
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* Close a list item
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*/
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public function listitem_close() {
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}
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/**
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* Start the content of a list item
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*/
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public function listcontent_open() {
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}
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/**
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* Stop the content of a list item
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*/
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public function listcontent_close() {
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}
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/**
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* Output unformatted $text
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*
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* Defaults to $this->cdata()
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*
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* @param string $text
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*/
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public function unformatted($text) {
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$this->cdata($text);
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}
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/**
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* Output inline PHP code
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*
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* If $conf['phpok'] is true this should evaluate the given code and append the result
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* to $doc
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*
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* @param string $text The PHP code
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*/
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public function php($text) {
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}
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/**
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* Output block level PHP code
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*
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* If $conf['phpok'] is true this should evaluate the given code and append the result
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* to $doc
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*
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* @param string $text The PHP code
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*/
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public function phpblock($text) {
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}
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/**
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* Output raw inline HTML
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*
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* If $conf['htmlok'] is true this should add the code as is to $doc
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*
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* @param string $text The HTML
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*/
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public function html($text) {
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}
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/**
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* Output raw block-level HTML
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*
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* If $conf['htmlok'] is true this should add the code as is to $doc
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*
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* @param string $text The HTML
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*/
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public function htmlblock($text) {
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}
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/**
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* Output preformatted text
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*
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* @param string $text
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*/
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public function preformatted($text) {
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}
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/**
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* Start a block quote
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*/
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public function quote_open() {
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}
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/**
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* Stop a block quote
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*/
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public function quote_close() {
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}
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/**
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* Display text as file content, optionally syntax highlighted
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*
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* @param string $text text to show
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* @param string $lang programming language to use for syntax highlighting
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* @param string $file file path label
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*/
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public function file($text, $lang = null, $file = null) {
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}
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/**
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* Display text as code content, optionally syntax highlighted
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*
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* @param string $text text to show
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* @param string $lang programming language to use for syntax highlighting
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* @param string $file file path label
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*/
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public function code($text, $lang = null, $file = null) {
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}
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/**
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* Format an acronym
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*
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* Uses $this->acronyms
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*
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* @param string $acronym
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*/
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public function acronym($acronym) {
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}
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/**
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* Format a smiley
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*
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* Uses $this->smiley
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*
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* @param string $smiley
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*/
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public function smiley($smiley) {
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}
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/**
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* Format an entity
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*
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* Entities are basically small text replacements
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*
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* Uses $this->entities
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*
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* @param string $entity
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*/
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public function entity($entity) {
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}
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/**
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* Typographically format a multiply sign
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*
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* Example: ($x=640, $y=480) should result in "640×480"
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*
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* @param string|int $x first value
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* @param string|int $y second value
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*/
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public function multiplyentity($x, $y) {
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}
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/**
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* Render an opening single quote char (language specific)
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*/
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public function singlequoteopening() {
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}
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/**
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* Render a closing single quote char (language specific)
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*/
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public function singlequoteclosing() {
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}
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/**
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* Render an apostrophe char (language specific)
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*/
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public function apostrophe() {
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}
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/**
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* Render an opening double quote char (language specific)
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*/
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public function doublequoteopening() {
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}
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/**
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* Render an closinging double quote char (language specific)
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*/
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public function doublequoteclosing() {
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}
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/**
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* Render a CamelCase link
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*
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* @param string $link The link name
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* @see http://en.wikipedia.org/wiki/CamelCase
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*/
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public function camelcaselink($link) {
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}
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/**
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* Render a page local link
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*
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* @param string $hash hash link identifier
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* @param string $name name for the link
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*/
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public function locallink($hash, $name = null) {
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}
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/**
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* Render a wiki internal link
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*
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* @param string $link page ID to link to. eg. 'wiki:syntax'
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* @param string|array $title name for the link, array for media file
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*/
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public function internallink($link, $title = null) {
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}
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/**
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* Render an external link
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*
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* @param string $link full URL with scheme
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* @param string|array $title name for the link, array for media file
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*/
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public function externallink($link, $title = null) {
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}
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/**
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* Render the output of an RSS feed
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*
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* @param string $url URL of the feed
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* @param array $params Finetuning of the output
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*/
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public function rss($url, $params) {
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}
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/**
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* Render an interwiki link
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*
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* You may want to use $this->_resolveInterWiki() here
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*
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* @param string $link original link - probably not much use
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* @param string|array $title name for the link, array for media file
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* @param string $wikiName indentifier (shortcut) for the remote wiki
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* @param string $wikiUri the fragment parsed from the original link
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*/
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public function interwikilink($link, $title, $wikiName, $wikiUri) {
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}
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/**
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* Link to file on users OS
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*
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* @param string $link the link
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* @param string|array $title name for the link, array for media file
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*/
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public function filelink($link, $title = null) {
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}
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/**
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* Link to windows share
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*
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* @param string $link the link
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* @param string|array $title name for the link, array for media file
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*/
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public function windowssharelink($link, $title = null) {
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}
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/**
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* Render a linked E-Mail Address
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*
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* Should honor $conf['mailguard'] setting
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*
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* @param string $address Email-Address
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* @param string|array $name name for the link, array for media file
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*/
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public function emaillink($address, $name = null) {
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}
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/**
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* Render an internal media file
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*
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* @param string $src media ID
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* @param string $title descriptive text
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* @param string $align left|center|right
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* @param int $width width of media in pixel
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* @param int $height height of media in pixel
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* @param string $cache cache|recache|nocache
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* @param string $linking linkonly|detail|nolink
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*/
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public function internalmedia($src, $title = null, $align = null, $width = null,
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$height = null, $cache = null, $linking = null) {
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}
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/**
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* Render an external media file
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*
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* @param string $src full media URL
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* @param string $title descriptive text
|
||
* @param string $align left|center|right
|
||
* @param int $width width of media in pixel
|
||
* @param int $height height of media in pixel
|
||
* @param string $cache cache|recache|nocache
|
||
* @param string $linking linkonly|detail|nolink
|
||
*/
|
||
public function externalmedia($src, $title = null, $align = null, $width = null,
|
||
$height = null, $cache = null, $linking = null) {
|
||
}
|
||
|
||
/**
|
||
* Render a link to an internal media file
|
||
*
|
||
* @param string $src media ID
|
||
* @param string $title descriptive text
|
||
* @param string $align left|center|right
|
||
* @param int $width width of media in pixel
|
||
* @param int $height height of media in pixel
|
||
* @param string $cache cache|recache|nocache
|
||
*/
|
||
public function internalmedialink($src, $title = null, $align = null,
|
||
$width = null, $height = null, $cache = null) {
|
||
}
|
||
|
||
/**
|
||
* Render a link to an external media file
|
||
*
|
||
* @param string $src media ID
|
||
* @param string $title descriptive text
|
||
* @param string $align left|center|right
|
||
* @param int $width width of media in pixel
|
||
* @param int $height height of media in pixel
|
||
* @param string $cache cache|recache|nocache
|
||
*/
|
||
public function externalmedialink($src, $title = null, $align = null,
|
||
$width = null, $height = null, $cache = null) {
|
||
}
|
||
|
||
/**
|
||
* Start a table
|
||
*
|
||
* @param int $maxcols maximum number of columns
|
||
* @param int $numrows NOT IMPLEMENTED
|
||
* @param int $pos byte position in the original source
|
||
*/
|
||
public function table_open($maxcols = null, $numrows = null, $pos = null) {
|
||
}
|
||
|
||
/**
|
||
* Close a table
|
||
*
|
||
* @param int $pos byte position in the original source
|
||
*/
|
||
public function table_close($pos = null) {
|
||
}
|
||
|
||
/**
|
||
* Open a table header
|
||
*/
|
||
public function tablethead_open() {
|
||
}
|
||
|
||
/**
|
||
* Close a table header
|
||
*/
|
||
public function tablethead_close() {
|
||
}
|
||
|
||
/**
|
||
* Open a table body
|
||
*/
|
||
public function tabletbody_open() {
|
||
}
|
||
|
||
/**
|
||
* Close a table body
|
||
*/
|
||
public function tabletbody_close() {
|
||
}
|
||
|
||
/**
|
||
* Open a table footer
|
||
*/
|
||
public function tabletfoot_open() {
|
||
}
|
||
|
||
/**
|
||
* Close a table footer
|
||
*/
|
||
public function tabletfoot_close() {
|
||
}
|
||
|
||
/**
|
||
* Open a table row
|
||
*/
|
||
public function tablerow_open() {
|
||
}
|
||
|
||
/**
|
||
* Close a table row
|
||
*/
|
||
public function tablerow_close() {
|
||
}
|
||
|
||
/**
|
||
* Open a table header cell
|
||
*
|
||
* @param int $colspan
|
||
* @param string $align left|center|right
|
||
* @param int $rowspan
|
||
*/
|
||
public function tableheader_open($colspan = 1, $align = null, $rowspan = 1) {
|
||
}
|
||
|
||
/**
|
||
* Close a table header cell
|
||
*/
|
||
public function tableheader_close() {
|
||
}
|
||
|
||
/**
|
||
* Open a table cell
|
||
*
|
||
* @param int $colspan
|
||
* @param string $align left|center|right
|
||
* @param int $rowspan
|
||
*/
|
||
public function tablecell_open($colspan = 1, $align = null, $rowspan = 1) {
|
||
}
|
||
|
||
/**
|
||
* Close a table cell
|
||
*/
|
||
public function tablecell_close() {
|
||
}
|
||
|
||
#endregion
|
||
|
||
#region util functions, you probably won't need to reimplement them
|
||
|
||
/**
|
||
* Creates a linkid from a headline
|
||
*
|
||
* @author Andreas Gohr <andi@splitbrain.org>
|
||
* @param string $title The headline title
|
||
* @param boolean $create Create a new unique ID?
|
||
* @return string
|
||
*/
|
||
public function _headerToLink($title, $create = false) {
|
||
if($create) {
|
||
return sectionID($title, $this->headers);
|
||
} else {
|
||
$check = false;
|
||
return sectionID($title, $check);
|
||
}
|
||
}
|
||
|
||
/**
|
||
* Removes any Namespace from the given name but keeps
|
||
* casing and special chars
|
||
*
|
||
* @author Andreas Gohr <andi@splitbrain.org>
|
||
*
|
||
* @param string $name
|
||
* @return string
|
||
*/
|
||
public function _simpleTitle($name) {
|
||
global $conf;
|
||
|
||
//if there is a hash we use the ancor name only
|
||
@list($name, $hash) = explode('#', $name, 2);
|
||
if($hash) return $hash;
|
||
|
||
if($conf['useslash']) {
|
||
$name = strtr($name, ';/', ';:');
|
||
} else {
|
||
$name = strtr($name, ';', ':');
|
||
}
|
||
|
||
return noNSorNS($name);
|
||
}
|
||
|
||
/**
|
||
* Resolve an interwikilink
|
||
*
|
||
* @param string $shortcut identifier for the interwiki link
|
||
* @param string $reference fragment that refers the content
|
||
* @param null|bool $exists reference which returns if an internal page exists
|
||
* @return string interwikilink
|
||
*/
|
||
public function _resolveInterWiki(&$shortcut, $reference, &$exists = null) {
|
||
//get interwiki URL
|
||
if(isset($this->interwiki[$shortcut])) {
|
||
$url = $this->interwiki[$shortcut];
|
||
}elseif(isset($this->interwiki['default'])) {
|
||
$shortcut = 'default';
|
||
$url = $this->interwiki[$shortcut];
|
||
}else{
|
||
// not parsable interwiki outputs '' to make sure string manipluation works
|
||
$shortcut = '';
|
||
$url = '';
|
||
}
|
||
|
||
//split into hash and url part
|
||
$hash = strrchr($reference, '#');
|
||
if($hash) {
|
||
$reference = substr($reference, 0, -strlen($hash));
|
||
$hash = substr($hash, 1);
|
||
}
|
||
|
||
//replace placeholder
|
||
if(preg_match('#\{(URL|NAME|SCHEME|HOST|PORT|PATH|QUERY)\}#', $url)) {
|
||
//use placeholders
|
||
$url = str_replace('{URL}', rawurlencode($reference), $url);
|
||
//wiki names will be cleaned next, otherwise urlencode unsafe chars
|
||
$url = str_replace('{NAME}', ($url[0] === ':') ? $reference :
|
||
preg_replace_callback('/[[\\\\\]^`{|}#%]/', function($match) {
|
||
return rawurlencode($match[0]);
|
||
}, $reference), $url);
|
||
$parsed = parse_url($reference);
|
||
if (empty($parsed['scheme'])) $parsed['scheme'] = '';
|
||
if (empty($parsed['host'])) $parsed['host'] = '';
|
||
if (empty($parsed['port'])) $parsed['port'] = 80;
|
||
if (empty($parsed['path'])) $parsed['path'] = '';
|
||
if (empty($parsed['query'])) $parsed['query'] = '';
|
||
$url = strtr($url,[
|
||
'{SCHEME}' => $parsed['scheme'],
|
||
'{HOST}' => $parsed['host'],
|
||
'{PORT}' => $parsed['port'],
|
||
'{PATH}' => $parsed['path'],
|
||
'{QUERY}' => $parsed['query'] ,
|
||
]);
|
||
} else if($url != '') {
|
||
// make sure when no url is defined, we keep it null
|
||
// default
|
||
$url = $url.rawurlencode($reference);
|
||
}
|
||
//handle as wiki links
|
||
if($url[0] === ':') {
|
||
$urlparam = null;
|
||
$id = $url;
|
||
if (strpos($url, '?') !== false) {
|
||
list($id, $urlparam) = explode('?', $url, 2);
|
||
}
|
||
$url = wl(cleanID($id), $urlparam);
|
||
$exists = page_exists($id);
|
||
}
|
||
if($hash) $url .= '#'.rawurlencode($hash);
|
||
|
||
return $url;
|
||
}
|
||
|
||
#endregion
|
||
}
|
||
|
||
|
||
//Setup VIM: ex: et ts=4 :
|