ACC SHELL

<?php
class TF_Html
{
    protected $_tag = null;
    protected $_singleTag = false;
    protected $_attributes = array();
    protected $_children = array();
    protected $_isXhtml = true;
    protected $_stripSpaces = false;
    const INDENT = "  ";
    function __construct ($tag, $firstChild = null, $attributes = array(), $singleTag = false, $isXhtml = true)
    {
        $this->_singleTag = $singleTag;
        $this->_tag = $tag;
        $this->setAttributes($attributes, true);
        $this->_isXhtml = $isXhtml;
        $this->addChild($firstChild);
    }
    function __toString ()
    {
        $attr = array();
        foreach ($this->_attributes as $attribute => $value) {
            $attr[] = $attribute . '="' . $value . '"';
        }
        if ($attr === array()) {
            $attributes = '';
        } else {
            $attributes = ' ' . implode(" ", $attr);
        }
        if ($this->_singleTag) {
            if ($this->_isXhtml) {
                $endTag = ' />';
            } else {
                $endTag = '>';
            }
            $startTag = '<' . $this->_tag . $attributes;
            return $startTag . $endTag;
        } else {
            if (! is_null($this->_children) && is_array($this->_children)) {
                $childRes = array();
                foreach ($this->_children as $child) {
                    if ($child instanceof TF_Html) {
                        $x = str_ireplace(
                            "\r\n", 
                            "\r\n" .
                                 TF_Html::INDENT, 
                                $child->__toString());
                        $childRes[] = $x;
                    } else if (is_string(
                        $child)) {
                        $childRes[] = $child;
                    } else {
                        try {
                            $childRes[] = (string) $child;
                        }
                        catch (Exception $e) {
                            throw new Zend_Exception(
                                "Neplatný obsah tagu!");
                        }
                    }
                }
            }
            $startTag = '<' . $this->_tag . $attributes . '>';
            $endTag = '</' . $this->_tag . '>';
            if ($this->_stripSpaces) {
                return $startTag . implode('', $childRes) .
                     $endTag;
            } else {
                return $startTag . "\r\n" . TF_Html::INDENT .
                     implode(
                        "\r\n" .
                         TF_Html::INDENT, 
                        $childRes) .
                     "\r\n" . $endTag;
            }
        }
    }
    	/**
    	 * setStripSpaces
    	 */
    	public function setStripSpaces($flag){
    		$this->_stripSpaces = $flag;
    	}  /* of setStripSpaces -------------------------------------*/
    
    function addChild ($child, $content = null)
    {
        if ($child instanceof TF_Html) {
            $this->_children[] = $child;
            return $this;
        }
        if (is_null($child)) {
            return $this;
        }
        if (is_string((string) $child)) {
            if (is_null($content)) {
                $this->_children[] = $child;
                return $this;
            } else {
                $this->_children[] = new TF_Html($child, 
                    $content);
                return $this;
            }
        }
        throw new Zend_Exception("Invalid child", 500);
    }
    function addChildByReference (&$child)
    {
        if ($child instanceof TF_Html) {
            $this->_children[] = $child;
            return $this;
        } else
            throw new Zend_Exception("Invalid child", 500);
    }
    function setAttributes ($attributes, $clear = false)
    {
        if ($clear) {
            $this->_attributes = array();
        }
        foreach ($attributes as $attribute => $value) {
            $this->_attributes[$attribute] = $value;
        }
    }
}