QueryParser.class.php

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<?php
/* Copyright (C) NAVER <http://www.navercorp.com> */

class QueryParser
{

    var $queryTag;

    function __construct($query = NULL, $isSubQuery = FALSE)
    {
        if($query)
        {
            $this->queryTag = new QueryTag($query, $isSubQuery);
        }
    }

    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;
    }

    function toString()
    {
        return "<?php if(!defined('__XE__')) exit();\n"
                . $this->queryTag->toString()
                . 'return $query; ?>';
    }

}
/* End of file QueryParser.class.php */
/* Location: ./classes/xml/xmlquery/QueryParser.class.php */