SelectColumnTag.class.php

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

class SelectColumnTag extends ColumnTag
{

    var $alias;

    var $click_count;

    function __construct($column)
    {
        if($column == "*" || $column->attrs->name == '*')
        {
            parent::__construct(NULL);
            $this->name = "*";
        }
        else
        {
            parent::__construct($column->attrs->name);
            $dbParser = DB::getParser();
            $this->name = $dbParser->parseExpression($this->name);

            $this->alias = $column->attrs->alias;
            $this->click_count = $column->attrs->click_count;
        }
    }

    function getExpressionString()
    {
        if($this->name == '*')
        {
            return "new StarExpression()";
        }
        if($this->click_count)
        {
            return sprintf('new ClickCountExpression(\'%s\', %s, $args->%s)', $this->name, $this->alias ? '\'' . $this->alias . '\'' : "''", $this->click_count);
        }
        if(strpos($this->name, '$') === 0)
        {
            return sprintf('new SelectExpression($args->%s)', substr($this->name, 1));
        }
        $dbParser = DB::getParser();
        return sprintf('new SelectExpression(\'%s\'%s)', $this->name, $this->alias ? ', \'' . $dbParser->escape($this->alias) . '\'' : '');
    }

}
/* End of file SelectColumnTag.class.php */
/* Location: ./classes/xml/xmlquery/tags/column/SelectColumnTag.class.php */