BindingSpecBuilder::__construct()   A
last analyzed

Complexity

Conditions 1
Paths 1

Size

Total Lines 5
Code Lines 3

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 4
CRAP Score 1

Importance

Changes 0
Metric Value
dl 0
loc 5
ccs 4
cts 4
cp 1
rs 9.4285
c 0
b 0
f 0
cc 1
eloc 3
nc 1
nop 2
crap 1
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<?php declare(strict_types=1);
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/*
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 * This file is part of the pinepain/js-sandbox PHP library.
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 *
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 * Copyright (c) 2016-2017 Bogdan Padalko <[email protected]>
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 *
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 * Licensed under the MIT license: http://opensource.org/licenses/MIT
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 *
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 * For the full copyright and license information, please view the
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 * LICENSE file that was distributed with this source or visit
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 * http://opensource.org/licenses/MIT
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 */
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namespace Pinepain\JsSandbox\Specs\Builder;
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use Pinepain\JsSandbox\Specs\BindingSpec;
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use Pinepain\JsSandbox\Specs\BindingSpecInterface;
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use Pinepain\JsSandbox\Specs\Builder\Exceptions\BindingSpecBuilderException;
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use Pinepain\JsSandbox\Specs\Builder\Exceptions\FunctionSpecBuilderException;
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use Pinepain\JsSandbox\Specs\Builder\Exceptions\PropertySpecBuilderException;
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class BindingSpecBuilder implements BindingSpecBuilderInterface
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{
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    /**
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     * @var PropertySpecBuilderInterface
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     */
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    private $property_spec_builder;
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    /**
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     * @var FunctionSpecBuilderInterface
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     */
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    private $function_spec_builder;
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    /**
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     * @param PropertySpecBuilderInterface $property_spec_builder
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     * @param FunctionSpecBuilderInterface $function_spec_builder
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     */
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    public function __construct(PropertySpecBuilderInterface $property_spec_builder, FunctionSpecBuilderInterface $function_spec_builder)
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    {
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        $this->property_spec_builder = $property_spec_builder;
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        $this->function_spec_builder = $function_spec_builder;
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    }
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    /**
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     * {@inheritdoc}
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     */
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    public function build(string $definition): BindingSpecInterface
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    {
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        $definition = trim($definition);
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        if (!$definition) {
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            throw new BindingSpecBuilderException('Definition must be non-empty string');
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        }
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        if (preg_match('/^(?<name>\w+)\s*=>\s*(?<variation>.+)$/', $definition, $matches)) {
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            /** @var PropertySpecBuilderInterface|FunctionSpecBuilderInterface $builder */
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            foreach ([$this->property_spec_builder, $this->function_spec_builder] as $builder) {
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                try {
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                    $spec = $builder->build($matches['variation']);
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                    return new BindingSpec($matches['name'], $spec);
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                } catch (FunctionSpecBuilderException | PropertySpecBuilderException $e) {
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                    // continue
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                }
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            }
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            throw new BindingSpecBuilderException("Unable to extract spec from definition: '{$definition}'");
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        }
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        throw new BindingSpecBuilderException("Unable to parse definition: '{$definition}'");
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    }
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}
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