bufferarea.php

<?
namespace Bitrix\Main\Composite;
 
use Bitrix\Main\NotSupportedException;
 
class BufferArea extends StaticArea
{
    private $staticPart = null;
    private $dynamicPart = null;
    private $started = false;
    private $ended = false;
 
    public function __construct($id, $autoContainer = true)
    {
        parent::__construct($id);
        if (!$autoContainer)
        {
            $this->setContainerId($id);
        }
    }
 
    public function begin($stub = null)
    {
        if ($this->started)
        {
            throw new NotSupportedException("begin() has been called. Frame id: ".$this->getId().".");
        }
 
        $this->startDynamicArea();
 
        $this->started = true;
        $this->staticPart = $stub;
        ob_start();
        return $this;
    }
 
    public function beginStub()
    {
        if (!$this->started)
        {
            throw new NotSupportedException("begin() has not been called. Frame id: ".$this->getId().".");
        }
 
        $this->dynamicPart = ob_get_contents();
        ob_end_clean();
        ob_start();
        return $this;
    }
 
    public function end()
    {
        if (!$this->started)
        {
            throw new NotSupportedException("begin() has not been called. Frame id: ".$this->getId().".");
        }
 
        if ($this->ended)
        {
            throw new NotSupportedException("begin() has been called. Frame id: ".$this->getId().".");
        }
 
        //if beginStub() was called
        if ($this->dynamicPart !== null)
        {
            if ($this->staticPart !== null)
            {
                throw new NotSupportedException("begin() was called with a stub. Frame id: ".$this->getId().".");
            }
 
            $this->staticPart = ob_get_contents();
            ob_end_clean();
            echo $this->dynamicPart;
        }
        else
        {
            $this->dynamicPart = ob_get_contents();
            if ($this->staticPart === null)
            {
                $this->staticPart = $this->dynamicPart;
            }
            ob_end_flush();
        }
 
        $this->setStub($this->staticPart);
        $this->finishDynamicArea();
 
        $this->ended = true;
        return $this;
    }
 
    public function isStarted()
    {
        return $this->started;
    }
 
    public function isEnded()
    {
        return $this->ended;
    }
}
 
class_alias("Bitrix\\Main\\Composite\\BufferArea", "Bitrix\\Main\\Page\\FrameBuffered");
class_alias("Bitrix\\Main\\Composite\\BufferArea", "Bitrix\\Main\\Page\\FrameHelper");