/*
 * Created on 28.04.2003
 *
 */
package net.sourceforge.phpeclipse.phpeditor.php;

import org.eclipse.jface.text.IDocument;

/**
 * @author slanger
 * @version $Revision: 1.2 $
 */
public class PHPPartition extends Partition
{
	private boolean fShortTagsEnabled = true;
	
    /**
     * @param document
     * @param delim
     * @param contentType
     * @param parentPartition
     */
    public PHPPartition(IDocument document, String parentPartition)
    {
        super(
            document,
            new char[] { '<', '>' },
            IPHPPartitionScannerConstants.PHP,
            parentPartition);
    }

    

    /* (non-Javadoc)
     * @see net.sourceforge.phpeclipse.phpeditor.php.Partition#allowedPartition(java.lang.String)
     */
    protected boolean allowedPartition(String type)
    {
        if(type.equals(IPHPPartitionScannerConstants.PHP_MULTILINE_COMMENT))
        	return true;
        	
        return false;
    }

    /* (non-Javadoc)
     * @see net.sourceforge.phpeclipse.phpeditor.php.Partition#scan()
     */
    protected boolean scan()
    {
    	int ch;
    	if(fShortTagsEnabled && checkPattern("<?", true))
    	{
    		scanToEnd();
    	}
    	else if(checkPattern("<?php", false))
    	{
    		scanToEnd();
    	}    
    	else
    		return false;
    	
    	return true;	
    }
	
	private void scanToEnd()
	{
		if(isEnd())
			return;
				
		while(!checkPattern("?>", true))
		{
			int offset = getOffset();
			if(checkPattern("/*", true))
			{	
				unread(2);
				return;
			}
		}		
	}
}