Completed
Push — master ( a73bf0...3ca2fc )
by Maxim
03:02
created

AxessorsStartup::getAbstractParentMethods()   A

Complexity

Conditions 2
Paths 2

Size

Total Lines 8
Code Lines 5

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 6
CRAP Score 2

Importance

Changes 0
Metric Value
cc 2
eloc 5
nc 2
nop 1
dl 0
loc 8
ccs 6
cts 6
cp 1
crap 2
rs 9.4285
c 0
b 0
f 0
1
<?php
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/**
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 * This file is a part of "Axessors" library.
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 *
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 * @author <[email protected]>
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 * @license GPL
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 */
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namespace NoOne4rever\Axessors;
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use NoOne4rever\Axessors\Exceptions\InternalError;
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use NoOne4rever\Axessors\Exceptions\OopError;
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/**
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 * Class AxessorsStartup.
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 *
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 * Starts parsing classes with Axessors traits.
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 *
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 * @package NoOne4rever\Axessors
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 */
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class AxessorsStartup
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{
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    private const PREDEFINED_CLASSES = 132;
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    public static function run(): void
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    {
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        $declaredClasses = get_declared_classes();
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        $totalNumber = count($declaredClasses);
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        for ($i = self::PREDEFINED_CLASSES; $i < $totalNumber; ++$i) {
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            $reflection = new \ReflectionClass($declaredClasses[$i]);
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            if (!self::isAxessorsClass($reflection)) {
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                continue;
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            }
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            self::parseClass($reflection);
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            if ($reflection->isAbstract()) {
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                continue;
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            }
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            self::processMethods($reflection);
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        }
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    }
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    private static function isAxessorsClass(\ReflectionClass $reflection): bool
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    {
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        $traits = $reflection->getTraitNames();
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        return in_array(Axessors::class, $traits) || in_array(Axs::class, $traits);
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    }
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    private static function parseClass(\ReflectionClass $reflection): void
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    {
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        $lexer = new CommentLexer($reflection);
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        $classData = $lexer->getClassData();
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        Data::addClass($classData);
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    }
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    private static function processMethods(\ReflectionClass $reflection): void
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    {
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        $totalRequired = $totalImplemented = [];
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        $reflectionBackup = $reflection;
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        do {
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            if (!self::isAxessorsClass($reflection)) {
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                break;
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            }
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            $required = self::getRequiredMethods($reflection);
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            $totalRequired = array_merge_recursive($totalRequired, $required);
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            $implemented = self::getImplementedMethods($reflection);
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            $totalImplemented = array_merge_recursive($totalImplemented, $implemented);
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            $reflection = $reflection->getParentClass();
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        } while ($reflection !== false);
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        if (!self::areMethodsImplemented($totalRequired, $totalImplemented)) {
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            throw new OopError("class {$reflectionBackup->name} does not implement required methods");
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        }
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    }
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    private static function areMethodsImplemented(array $required, array $implemented): bool
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    {
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        foreach ($required as $modifier => $methods) {
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            foreach ($methods as $method) {
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                if (!isset($implemented[$modifier]) || !in_array($method, $implemented[$modifier])) {
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                    return false;
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                }
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            }
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        }
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        return true;
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    }
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    private static function getImplementedMethods(\ReflectionClass $reflection): array
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    {
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        try {
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            $classData = Data::getClass($reflection->name);
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        } catch (InternalError $error) {
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            $lexer = new CommentLexer($reflection);
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            $classData = $lexer->getClassData();
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        }
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        return $classData->getAllMethods(true);
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    }
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    private static function getRequiredMethods(\ReflectionClass $reflection): array
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    {
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        $requiredInterface = self::getInterfaceMethods($reflection);
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        $requiredAbstract = self::getAbstractParentMethods($reflection);
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        return array_merge_recursive($requiredAbstract, $requiredInterface);
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    }
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    private static function getInterfaceMethods(\ReflectionClass $reflection): array
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    {
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        $required = [];
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        foreach ($reflection->getInterfaces() as $interface) {
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            $lexer = new HierarchyLexer($interface);
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            $requiredByInterface = $lexer->getMethods();
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            $required = array_merge_recursive($required, $requiredByInterface);
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        }
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        return $required;
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    }
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    private static function getAbstractParentMethods(\ReflectionClass $reflection): array
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    {
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        $required = [];
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        if ($reflection->isAbstract()) {
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            $lexer = new HierarchyLexer($reflection);
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            $required = $lexer->getMethods();
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        }
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        return $required;
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    }
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}