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<?
/**
* Bitrix Framework
* @package bitrix
* @subpackage sender
* @copyright 2001-2012 Bitrix
*/
namespace Bitrix\Fileman\Block\Content;
use Bitrix\Main\Localization\Loc;
use Bitrix\Fileman\Block;
Loc::loadMessages(__FILE__);
class SliceConverter implements IConverter
{
CONST SLICE_SECTION_ID = 'BX_BLOCK_EDITOR_EDITABLE_SECTION';
/**
* Check string.
*
* @param string $string String.
* @return bool
*/
public static function isValid($string)
{
$result = true;
$string = mb_strtoupper($string);
if(mb_strpos($string, '<!--START '.static::SLICE_SECTION_ID.'/') === false)
{
$result = false;
}
if(mb_strpos($string, '<!--END '.static::SLICE_SECTION_ID.'/') === false)
{
$result = false;
}
return $result;
}
/**
* Parse string of sliced content to an array of content blocks.
*
* @param string $string String.
* @return BlockContent
*/
public static function toArray($string)
{
$blockContent = new BlockContent();
$pattern = '#<!--START '
. static::SLICE_SECTION_ID . '/([\w]+?)/([\w]+?)/-->'
. '([\s\S,\n]*?)'
. '<!--END ' . static::SLICE_SECTION_ID . '[/\w]+?-->#';
$matches = array();
if(preg_match_all($pattern, $string, $matches))
{
$matchesCount = count($matches[0]);
for($i = 0; $i < $matchesCount; $i++)
{
$section = trim($matches[1][$i]);
$place = trim($matches[2][$i]);
$value = trim($matches[3][$i]);
$blockContent->add($section, $place, $value);
}
}
return $blockContent;
}
/**
* Convert block content to string.
*
* @param BlockContent $content Block content.
* @return string
*/
public static function toString(BlockContent $content)
{
$result = '';
foreach ($content->getList() as $item)
{
$result .= '<!--START '
. static::SLICE_SECTION_ID . "/{$item['type']}/{$item['place']}/-->\n"
. $item['value'] . "\n"
. '<!--END '
. static::SLICE_SECTION_ID . "/{$item['type']}/{$item['place']}/-->\n";
}
return trim($result);
}
/**
* Sanitize.
*
* @param string $string String.
* @return string
*/
public static function sanitize($string)
{
if (!self::isValid($string))
{
return Block\Sanitizer::clean($string);
}
$content = self::toArray($string);
$list = $content->getList();
foreach ($list as $index => $item)
{
if ($item['type'] !== BlockContent::TYPE_BLOCKS)
{
continue;
}
$item['value'] = Block\Sanitizer::clean($item['value']);
$list[$index] = $item;
}
$content->setList($list);
return self::toString($content);
}
}