*/
/**
* File containing the QueryParser class
*/
/**
* Parses an XML Object and returns a string used for generating the PHP cache file
* The XML Object structure must be the one defined in the XmlParser class
*
* @author Corina Udrescu (corina.udrescu@arnia.ro)
* @package classes\xml\xmlquery
* @version 0.1
*/
class QueryParser
{
/**
* Property containing the associated QueryTag object
*
* @var QueryTag object
*/
var $queryTag;
/**
* Constructor
*
* @param object $query XML object obtained after reading the XML Query file
* @param bool $isSubQuery
* @return void
*/
function __construct($query = NULL, $isSubQuery = FALSE)
{
if($query)
{
$this->queryTag = new QueryTag($query, $isSubQuery);
}
}
/**
* Returns table information
*
* Used for finding column type info (string/numeric)
* Obtains the table info from XE's XML schema files
*
* @param object $query_id
* @param bool $table_name
* @return array
*/
function getTableInfo($query_id, $table_name)
{
$column_type = array();
$module = '';
$id_args = explode('.', $query_id);
if(count($id_args) == 2)
{
$target = 'modules';
$module = $id_args[0];
$id = $id_args[1];
}
else if(count($id_args) == 3)
{
$target = $id_args[0];
$targetList = array('modules' => 1, 'addons' => 1, 'widgets' => 1);
if(!isset($targetList[$target]))
{
return;
}
$module = $id_args[1];
$id = $id_args[2];
}
// get column properties from the table
$table_file = sprintf('%s%s/%s/schemas/%s.xml', _XE_PATH_, 'modules', $module, $table_name);
if(!file_exists($table_file))
{
$searched_list = FileHandler::readDir(_XE_PATH_ . 'modules');
$searched_count = count($searched_list);
for($i = 0; $i < $searched_count; $i++)
{
$table_file = sprintf('%s%s/%s/schemas/%s.xml', _XE_PATH_, 'modules', $searched_list[$i], $table_name);
if(file_exists($table_file))
{
break;
}
}
}
if(file_exists($table_file))
{
$table_xml = FileHandler::readFile($table_file);
$xml_parser = new XmlParser();
$table_obj = $xml_parser->parse($table_xml);
if($table_obj->table)
{
if(isset($table_obj->table->column) && !is_array($table_obj->table->column))
{
$table_obj->table->column = array($table_obj->table->column);
}
foreach($table_obj->table->column as $k => $v)
{
$column_type[$v->attrs->name] = $v->attrs->type;
}
}
}
return $column_type;
}
/**
* Returns the contents for the query cache file
*
* @return string
*/
function toString()
{
return "queryTag->toString()
. 'return $query; ?>';
}
}
/* End of file QueryParser.class.php */
/* Location: ./classes/xml/xmlquery/QueryParser.class.php */