%PDF-
%PDF-
Mini Shell
Mini Shell
<?if(!defined("B_PROLOG_INCLUDED") || B_PROLOG_INCLUDED!==true)die();
class MPLSimpleHTMLParser
{
var $data;
var $parse_search_needle = '/([^\[]*)(?:\[(.*)\])*/i';
var $parse_tag = '/((\<\s*(\/)?\s*([a-z]+).*?(?:(\/)\>|\>))[^<]*)/ism';
var $parse_beginning_spaces = '/^([\s]*)/m';
var $replace_tag_begin = '/^\s*\w+\s*/';
var $parse_params = '/([a-z]+)\s*=\s*(?:([^\s]*)|(?:[\'"]([^\'"])[\'"]))/im';
var $lastError = '';
function __construct ($data)
{
$this->data = $data;
}
function findTagStart($needle) // needle = input[name=input;class=red]
{
$offset = 0;
$search = array();
if (preg_match( $this->parse_search_needle, $needle, $matches ) == 0)
return '';
if (sizeof($matches) > 1)
$search['TAG'] = trim($matches[1]);
if (sizeof($matches) > 2)
{
$arAttr = explode(';', $matches[2]);
foreach($arAttr as $attr)
{
list($attr_name, $attr_value) = explode('=', $attr);
$search[strToUpper(trim($attr_name))] = trim($attr_value);
}
}
$tmp = $this->data;
// skip beginning spaces
if (preg_match($this->parse_beginning_spaces, $tmp, $spaces) > 0)
{
$offset = strlen($spaces[1]);
$tmp = substr($tmp, $offset);
}
while (strlen($tmp) > 0 && preg_match($this->parse_tag, $tmp, $matches) > 0)
{
$tag_name = $matches[4];
$tag = $matches[2];
$skip = $matches[1];
if (strlen($skip) < 1) return false;
if ($tag_name == $search['TAG']) // tag found
{
// parse params
$params = preg_replace($this->replace_tag_begin, '', trim($tag, "<>"));
if (preg_match_all($this->parse_params, $params, $arParams, PREG_SET_ORDER ) > 0)
{
// store tag params
$arTagParams = array();
foreach($arParams as $arParam)
$arTagParams[strToUpper(trim($arParam[1]))] = trim(trim($arParam[2]), '"\'');
// compare all search params
$found = true;
foreach($search as $key => $value)
{
if ($key == 'TAG') continue;
if (!( isset($arTagParams[$key]) && $arTagParams[$key] == $value))
{
$found = false;
break;
}
}
if ($found)
{
return $offset;
}
}
}
$offset += strlen($skip);
$tmp = substr($tmp, strlen($skip));
// skip special tags
while ($skip = $this->skipTags($tmp))
{
$offset += $skip;
$tmp = substr($tmp, $skip);
}
}
return false;
}
function skipTags($tmp)
{
static $tags_open = array('<!--', '<script');
static $tags_close = array('-->', '</script>');
static $n_tags = 2;
static $tags_quoted;
if (!is_array($tags_quoted))
for ($i=0; $i<$n_tags;$i++)
$tags_quoted[$i] = array('open' => preg_quote($tags_open[$i]), 'close' => preg_quote($tags_close[$i]));
for ($i=0; $i<$n_tags;$i++)
{
if (preg_match('#^\s*'.$tags_quoted[$i]['open'].'#i', $tmp) < 1) continue;
if (preg_match('#('.$tags_quoted[$i]['close'].'\s*)#im', $tmp, $matches) > 0)
{
$endpos = strpos($tmp, $matches[1]);
$offset = $endpos+strlen($matches[1]);
return $offset;
}
}
return false;
}
function setError($msg)
{
$this->lastError = $msg;
return false;
}
function findTagEnd($startIndex)
{
if ($startIndex === false || (intval($startIndex) == 0 && $startIndex !== 0))
return $this->setError('E_PARSE_INVALID_INDEX');
$tmp = substr($this->data, $startIndex);
$this->lastError = '';
$arStack = array();
$offset = 0;
$closeMistmatch = 2;
$tag_id = 0;
// skip beginning spaces
if (preg_match($this->parse_beginning_spaces, $tmp, $spaces) > 0)
{
$offset = strlen($spaces[1]);
$tmp = substr($tmp, $offset);
}
while (strlen($tmp) > 0 && preg_match($this->parse_tag, $tmp, $matches) > 0)
{
$tag_id++;
$tag_name = strtoupper(trim($matches[4]));
$tag = $matches[2];
$skip = $matches[1];
if (strlen($skip) < 1) return $this->setError('E_PARSE_INVALID_DOM_1');
if ($matches[3] == '/') // close tag
{
if (end($arStack) == $tag_name)
array_pop($arStack);
else // lost close tag somewhere
{
$fixed = false;
for ($i=2;$i<=$closeMistmatch+1;$i++)
{
if (sizeof($arStack) > $i && $arStack[sizeof($arStack)-$i] == $tag_name)
{
$arStack = array_slice($arStack, 0, -$i);
$fixed = true;
}
}
if (!$fixed)
{
return $this->setError('E_PARSE_INVALID_DOM_2');
}
}
}
elseif (isset($matches[5]) && $matches[5] == '/') // self close tag
{
// do nothing
}
elseif ($tag_name == 'LI' && end($arStack) == 'LI') // oh
{
// do nothing
}
else // open tag
{
$arStack[] = $tag_name;
}
if (sizeof($arStack) > 300)
return $this->setError('E_PARSE_TOO_BIG_DOM_3'); // too big DOM
elseif (sizeof($arStack) == 0) // done !
return $offset + strlen($tag);
else // continue
{
$offset += strlen($skip);
$tmp = substr($tmp, strlen($skip));
}
// skip special tags
while ($skip = $this->skipTags($tmp))
{
$offset += $skip;
$tmp = substr($tmp, $skip);
}
}
return $this->setError('E_PARSE_INVALID_DOM_4'); // not enough data in $data ?
}
function getTagHTML($search)
{
$messagePost = '';
$messageStart = $this->findTagStart($search);
if ($messageStart === false) return '';
$messageEnd = $this->findTagEnd($messageStart);
if ($messageEnd !== false)
$messagePost = substr($this->data, $messageStart, $messageEnd);
return trim($messagePost);
}
function getInnerHTML($startLabel, $endLabel, $multiple=false)
{
$startPos = strpos($this->data, $startLabel);
if ($startPos === false) return '';
$startPos += strlen($startLabel);
$endPos = strpos($this->data, $endLabel, $startPos);
if ($endPos === false) return '';
return trim(substr($this->data, $startPos, $endPos-$startPos));
}
}
function __MPLParseRecordsHTML(&$response, &$arParams, &$arResult)
{
}
?>
Zerion Mini Shell 1.0