openrat-cms

Line.class.php (4503B)

---

 <?php
 
 /**
  * Darstellung einer Zeile in einem Freitext.<br>
  * <br>
  * Im Konstruktor wird die Zeile analysiert und es wird festgestellt, was
  * die Zeile f�r einen Inhalt hat (z.B. ein Listenelement, eine �berschrift, usw.)<br>
  * 
  * @author Jan Dankert
  * @version $Revision$
  * @package openrat.services
  */
 class Line
 {
 	var $source;                       // Der urspr�ngliche Inhalt
 	var $value;                        // Der textuelle Inhalt (sofern vorhanden)
 	
 	var $isDefinition   = false;       // Definitionseintrag
 	var $isList         = false;       // nicht-numerierte Liste
 	var $isNumberedList = false;       // numerierte Liste
 	var $indent         = 0;           // Einschubtiefe der Liste
 	
 	var $isHeadline          = false;  // �berschrift
 	var $isHeadlineUnderline = false;  // unterstrichene �berschrift
 	var $headlineLevel       = 0;      // Grad der �berschrift (1,2,3...)
 	
 	
 	var $isTableOfContent = false;     // Inhaltsverzeichnis
 	var $isTable          = false;       // Tabelle
 	var $isCode           = false;       // Code
 	var $isQuote          = false;       // Zitat
 	var $isQuotePraefix   = false;       // Zitatbeginn/-ende
 	
 	var $isUnparsed     = false;
 	
 	var $isEmpty        = false;       // Zeile ist leer
 	var $isNormal       = false;       // Zeile ist ohne besonderen Inhalt, d.h. keine Tabelle, kein Zitat, usw.
 
 	
 	
 	/**
 	 * Erzeugt einen Zeilenobjekt, der Text im Parameter wird dabei geparst.
 	 */
 	function __construct( $s )
 	{
 		global $conf;
 		$text_markup = $conf['editor']['text-markup'];
 //		Html::debug($text_markup); 
 		
 		$list_numbered   = $text_markup['list-numbered'  ];
 		$list_unnumbered = $text_markup['list-unnumbered'];
 		$headline        = $text_markup['headline'       ];
 		
 		$this->source = $s;
 		$this->value  = $s;
 		
 		$this->isList         = $this->isAnErsterStelle(ltrim($s),$list_unnumbered);
 		$this->isNumberedList = $this->isAnErsterStelle(ltrim($s),$list_numbered  );
 		$this->indent         = strlen($s) - strlen(ltrim($s)) + 1;
 
 		if	( $this->isList || $this->isNumberedList )
 			$this->value = ltrim(substr($s,$this->indent));
 
 		$this->level      = strspn( $s,$headline );
 		$this->isHeadline = $this->level >= 1;
 
 		if	( $this->isHeadline )
 			$this->value = ltrim(substr($s,$this->level));
 
 
 		$hl = array( 1 => $text_markup['headline_level1_underline'],
 		             2 => $text_markup['headline_level2_underline'],
 		             3 => $text_markup['headline_level3_underline'] );
 		             
 		foreach($hl as $lev=>$char )
 		{
 			if	( substr($s,0,3*strlen($char))==str_repeat($char,3*strlen($char)) )
 			{
 				$this->isHeadlineUnderline = true;
 				$this->isNormal            = true;
 				$this->level               = intval($lev);
 			}
 		}
 		
 		if	( $this->isAnErsterStelle($s,$text_markup['table-of-content']) )
 		{
 			$this->isTableOfContent  = true;
 			$this->isNumberedList    = false;
 			$this->isList    = false;
 			$this->value             = '';
 		}
 		elseif
 			( $this->isHeadline          ||
 		      $this->isHeadlineUnderline ||
 		      $this->isList              ||
 		      $this->isNumberedList         )
 		{
 			;
 		}
 		elseif	( $this->isAnErsterStelle($s,$text_markup['table-cell-sep']) )
 		{
 			$this->isTable           = true;
 			$this->value             = '';
 		}
 		elseif	( $this->isAnErsterStelle($s,$text_markup['pre-begin']) && !$this->isHeadlineUnderline )
 		{
 			$this->isCode            = true;
 			$this->value             = substr($s,strlen($text_markup['pre-begin']));
 		}
 		elseif	( strpos($s, $text_markup['definition-sep'])!== false )
 		{
 			$this->isDefinition = true;
 		}
 		elseif	( trim($s)==$text_markup['quote-line-begin'] )
 		{
 			$this->isQuote           = true;
 		}
 		elseif	( $this->isAnErsterStelle($s,$text_markup['quote']) && strlen(trim($s))>1 )
 		{
 			$this->isQuotePraefix = true;
 			$this->value = ltrim(substr($s,strlen($text_markup['quote'])));
 			$this->level = strspn( str_replace(' ','',$s),$text_markup['quote'] );
 		}
 		elseif	( $this->isAnErsterStelle($s,'`') )
 		{
 			$this->isUnparsed = true;
 			$this->value      = substr($this->value,1);
 		}
 		elseif	(  $s == '' )
 		{
 			$this->isEmpty  = true;
 		}
 		else
 		{
 			$this->isNormal = true;
 		}
 	}
 
 
 	/**
 	 * Stellt fest, ob $wort am Anfang von $text steht.
 	 */	
 	function isAnErsterStelle( $text,$wort )
 	{
 //		Html::debug($text,"Text");
 //		Html::debug($wort,"Wort");
 //		Html::debug(substr($text,0,strlen($wort))==$wort,'Ergebnis');
 		return substr($text,0,strlen($wort))==$wort;
 	}
 }
 
 ?>