QueryArgument.class.php

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

class QueryArgument
{

    var $argument_name;

    var $variable_name;

    var $argument_validator;

    var $column_name;

    var $table_name;

    var $operation;

    var $ignore_value;

    function __construct($tag, $ignore_value = FALSE)
    {
        static $number_of_arguments = 0;

        $this->argument_name = $tag->attrs->var;
        if(!$this->argument_name)
        {
            $this->argument_name = str_replace('.', '_', $tag->attrs->name);
        }
        if(!$this->argument_name)
        {
            $this->argument_name = str_replace('.', '_', $tag->attrs->column);
        }

        $this->variable_name = $this->argument_name;

        $number_of_arguments++;
        $this->argument_name .= $number_of_arguments;

        $name = $tag->attrs->name;
        if(!$name)
        {
            $name = $tag->attrs->column;
        }
        if(strpos($name, '.') === FALSE)
        {
            $this->column_name = $name;
        }
        else
        {
            list($prefix, $name) = explode('.', $name);
            $this->column_name = $name;
            $this->table_name = $prefix;
        }

        if($tag->attrs->operation)
        {
            $this->operation = $tag->attrs->operation;
        }

        $this->argument_validator = new QueryArgumentValidator($tag, $this);
        $this->ignore_value = $ignore_value;
    }

    function getArgumentName()
    {
        return $this->argument_name;
    }

    function getColumnName()
    {
        return $this->column_name;
    }

    function getTableName()
    {
        return $this->table_name;
    }

    function getValidatorString()
    {
        return $this->argument_validator->toString();
    }

    function isConditionArgument()
    {
        if($this->operation)
        {
            return TRUE;
        }
        return FALSE;
    }

    function toString()
    {
        if($this->isConditionArgument())
        {
            // Instantiation
            $arg = sprintf("\n" . '${\'%s_argument\'} = new ConditionArgument(\'%s\', %s, \'%s\');' . "\n"
                    , $this->argument_name
                    , $this->variable_name
                    , '$args->' . $this->variable_name
                    , $this->operation
            );
            // Call methods to validate argument and ensure default value
            $arg .= $this->argument_validator->toString();

            // Prepare condition string
            $arg .= sprintf('${\'%s_argument\'}->createConditionValue();' . "\n"
                    , $this->argument_name
            );

            // Check that argument passed validation, else return
            $arg .= sprintf('if(!${\'%s_argument\'}->isValid()) return ${\'%s_argument\'}->getErrorMessage();' . "\n"
                    , $this->argument_name
                    , $this->argument_name
            );
        }
        else
        {
            $arg = sprintf("\n" . '${\'%s_argument\'} = new Argument(\'%s\', %s);' . "\n"
                    , $this->argument_name
                    , $this->variable_name
                    , $this->ignore_value ? 'NULL' : '$args->{\'' . $this->variable_name . '\'}');

            $arg .= $this->argument_validator->toString();

            $arg .= sprintf('if(!${\'%s_argument\'}->isValid()) return ${\'%s_argument\'}->getErrorMessage();' . "\n"
                    , $this->argument_name
                    , $this->argument_name
            );
        }

        // If the argument is null, skip it
        if($this->argument_validator->isIgnorable())
        {
            $arg = sprintf("if(isset(%s)) {", '$args->' . $this->variable_name)
                    . $arg
                    . sprintf("} else\n" . '${\'%s_argument\'} = NULL;', $this->argument_name);
        }

        return $arg;
    }

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