Location: PHPKode > scripts > PHPTAL > phptal/PHPTAL-1.2.1/PHPTAL/Dom/Node.php
<?php
/**
 * PHPTAL templating engine
 *
 * PHP Version 5
 *
 * @category HTML
 * @package  PHPTAL
 * @author   Laurent Bedubourg <hide@address.com>
 * @author   Kornel Lesiński <hide@address.com>
 * @license  http://www.gnu.org/licenses/lgpl.html GNU Lesser General Public License
 * @version  SVN: $Id: Node.php 749 2009-10-24 22:00:29Z kornel $
 * @link     http://phptal.org/
 */

/**
 * Document node abstract class.
 *
 * @package PHPTAL
 * @subpackage Dom
 */
abstract class PHPTAL_Dom_Node
{
    public $parentNode;

    private $value_escaped, $source_file, $source_line, $encoding;

    public function __construct($value_escaped, $encoding)
    {
        $this->value_escaped = $value_escaped;
        $this->encoding = $encoding;
    }

    /**
     * hint where this node is in source code
     */
    public function setSource($file, $line)
    {
        $this->source_file = $file;
        $this->source_line = $line;
    }

    /**
     * file from which this node comes from
     */
    public function getSourceFile()
    {
        return $this->source_file;
    }

    /**
     * line on which this node was defined
     */
    public function getSourceLine()
    {
        return $this->source_line;
    }

    /**
     * depends on node type. Value will be escaped according to context that node comes from.
     */
    function getValueEscaped()
    {
        return $this->value_escaped;
    }
    
    /**
     * Set value of the node (type-dependent) to this exact string. 
     * String must be HTML-escaped and use node's encoding.
     * 
     * @param string $value_escaped new content
     */
    function setValueEscaped($value_escaped)
    {
        $this->value_escaped = $value_escaped;
    }


    /**
     * get value as plain text. Depends on node type.
     */
    function getValue()
    {
        return html_entity_decode($this->getValueEscaped(),ENT_QUOTES, $this->encoding);
    }

    /**
     * encoding used by vaule of this node.
     */
    public function getEncoding()
    {
        return $this->encoding;
    }

    /**
     * use CodeWriter to compile this element to PHP code
     */
    public abstract function generateCode(PHPTAL_Php_CodeWriter $gen);


    /**
     * For backwards compatibility only! Do not use!
     * @deprecated
     */
    public function generate()
    {
        $this->generateCode(self::$_codewriter_bc_hack_);
    }

    /**
     * @deprecated
     */
    static $_codewriter_bc_hack_;

    /**
     * For backwards compatibility only
     * @deprecated
     */
    function __get($prop)
    {
        if ($prop === 'children') return $this->childNodes;
        if ($prop === 'node') return $this;
        if ($prop === 'generator') return self::$_codewriter_bc_hack_;
        if ($prop === 'attributes') {
            $tmp = array(); 
            foreach($this->getAttributeNodes() as $att) {
                $tmp[$att->getQualifiedName()] = $att->getValueEscaped();
            }
            return $tmp;
        }
        throw new PHPTAL_Exception("There is no property $prop on ".get_class($this));
    }

    /**
     * For backwards compatibility only
     * @deprecated
     */
    function getName(){ return $this->getQualifiedName(); }
    
    function __toString()
    {
        return " “".$this->getValue()."” ";
    }
}

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