docnode.php

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<?php
// Muster Software Copyright (c) Henrik Bechmann, Toronto, Canada 2009-2012. All rights reserved.
// See "musterlicence.txt" for licencing information.
// mustersoftware.net

namespace Muster\Simplewiki;

#==========================================================================#
#--------------------------[ DOCUMENT NODE ]-------------------------------#
#==========================================================================#

class DocNode 
{
        const DOCUMENT = 'document';
        
        const TEXT = 'text';
        
        const PARAGRAPH = 'paragraph';
        
        const HEADING = 'heading';
        
        const EMPHASIS = 'emphasis';
        
        const STRONG = 'strong';
        
        const LINEBREAK = 'linebreak';
        
        const HORIZONTALRULE = 'horizontalrule';
        
        const LINK = 'link';
        
        const IMAGE = 'image';
        
        const ORDERED_LIST = 'ordered_list';
        
        const UNORDERED_LIST = 'unordered_list';
        
        const LIST_ITEM = 'list_item';
        
        const DEF_LIST = 'def_list';
        
        const DEF_TERM = 'def_term';
        
        const DEF_DESC = 'def_desc';
        
        const TABLE = 'table';
        
        const TABLE_ROW = 'table_row';
        
        const TABLE_HEADCELL = 'table_headcell';
        
        const TABLE_CELL = 'table_cell';
        
        const SPAN = 'span';
        
        const BLOCKDIVIDER = 'blockdivider';
        
        const CODE = 'code';
        
        const PREFORMATTED = 'preformatted';
        
        const BLOCKDEF = 'blockdef';
        
        const MACRO = 'macro';
        

        public $parent;
        public $children;
        public $type;
    public function __construct($type, $parent=NULL)
        {
        $this->children = array();
        $this->type = $type;
        $this->parent = $parent;
        if (!empty($parent))
            $parent->child_append($this);
        }
        protected function child_append($child)
        {
                $this->children[] = $child;
        }
        public function get_display_list() // for debug
        {
                $clone = clone $this;
                unset($clone->parent);
                unset($clone->children);
                return $clone;
        }
}