<?php

require_once(_XE_PATH_.'classes/xml/xmlquery/tags/column/ColumnTag.class.php');
require_once(_XE_PATH_.'classes/xml/xmlquery/tags/column/SelectColumnsTag.class.php');
require_once(_XE_PATH_.'classes/xml/xmlquery/tags/column/InsertColumnsTag.class.php');
require_once(_XE_PATH_.'classes/xml/xmlquery/tags/column/UpdateColumnsTag.class.php');
require_once(_XE_PATH_.'classes/xml/xmlquery/tags/table/TablesTag.class.php');
require_once(_XE_PATH_.'classes/xml/xmlquery/tags/condition/ConditionsTag.class.php');
require_once(_XE_PATH_.'classes/xml/xmlquery/tags/condition/JoinConditionsTag.class.php');
require_once(_XE_PATH_.'classes/xml/xmlquery/tags/group/GroupsTag.class.php');
require_once(_XE_PATH_.'classes/xml/xmlquery/tags/navigation/NavigationTag.class.php');
require_once(_XE_PATH_.'classes/xml/xmlquery/tags/navigation/IndexTag.class.php');
require_once(_XE_PATH_.'classes/xml/xmlquery/tags/query/QueryTag.class.php');

class QueryParser {
	var $queryTag;
		
	function QueryParser($query, $isSubQuery = false){
		$this->queryTag = new QueryTag($query, $isSubQuery);
	}	
	 
	function getTableInfo($query_id, $table_name){
		$column_type = array();
		
	    $id_args = explode('.', $query_id);
        if(count($id_args)==2) {
       	 	$target = 'modules';
         	$module = $id_args[0];
            $id = $id_args[1];
        } elseif(count($id_args)==3) {
       		$target = $id_args[0];
            if(!in_array($target, array('modules','addons','widgets'))) 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;
	}
	
	function toString(){
		return 	"<?php if(!defined('__ZBXE__')) exit();\n"
				.$this->queryTag->toString()               
				. 'return $query; ?>';		
	}
}

?>