Lechimp\Dicto\Output\RulePrinter

Complexity

Total Complexity

9

Size/Duplication

Total Lines	37
Duplicated Lines	0 %

Coupling/Cohesion

Components	0
Dependencies	5

Test Coverage

Coverage

63.64%

Importance

Changes	2
Bugs	0	Features	1

3 Methods

Rating	Name	Duplication	Size	Complexity
A	pprint()	0	3	1
A	print_head()	0	13	4
A	print_tail()	0	13	4

<?php
/******************************************************************************
 * An implementation of dicto (scg.unibe.ch/dicto) in and for PHP.
 * 
 * Copyright (c) 2016 Richard Klees <richard.klees@rwth-aachen.de>
 *
 * This software is licensed under The MIT License. You should have received 
 * a copy of the licence along with the code.
 */

namespace Lechimp\Dicto\Output;
use Lechimp\Dicto\Definition as Def;

/**
 * Prints rules.
 */
class RulePrinter {
    /**
     * @param   Def\Rules\Rule  $rule
     * @return  string
     */ 
    public function pprint(Def\Rules\Rule $rule) {
        return $this->print_head($rule).$this->print_tail($rule);
    }

    protected function print_head(Def\Rules\Rule $rule) {
        $name = $rule->subject()->name();
        switch ($rule->mode()) {
            case Def\Rules\Rule::MODE_CANNOT:
                return "$name cannot ";
            case Def\Rules\Rule::MODE_MUST:
                return "$name must ";
            case Def\Rules\Rule::MODE_ONLY_CAN:
                return "only $name can ";
            default:
                throw new \Exception("Unknown rule mode '".$rule->mode()."'");
        } 
    }

    protected function print_tail(Def\Rules\Rule $rule) {
        if ($rule instanceof Def\Rules\Invoke) {
            return "invoke ".$rule->invokes()->name();
        }
        if($rule instanceof Def\Rules\DependOn) {
            return "depend on ".$rule->dependency()->name();
        }
        if ($rule instanceof Def\Rules\ContainText) {
            return "contain text \"".$rule->regexp()."\"";
        }

        throw new \Exception("Unknown rule '".$cls."'");
    }
}