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<?php |
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declare(strict_types=1); |
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/* |
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* This file is part of the box project. |
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* |
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* (c) Kevin Herrera <[email protected]> |
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* Théo Fidry <[email protected]> |
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* |
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* This source file is subject to the MIT license that is bundled |
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* with this source code in the file LICENSE. |
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*/ |
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namespace KevinGH\Box; |
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use Assert\Assertion; |
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use Herrera\Annotations\Tokenizer; |
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use function implode; |
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use KevinGH\Box\Compactor\Php; |
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use function str_replace; |
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/** |
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* Generates a new PHP bootstrap loader stub for a PHAR. |
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*/ |
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final class StubGenerator |
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{ |
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private const STUB_TEMPLATE = <<<'STUB' |
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__BOX_SHEBANG__ |
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<?php |
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__BOX_BANNER__ |
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__BOX_PHAR_CONFIG__ |
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__HALT_COMPILER(); ?> |
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STUB; |
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/** |
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* @var string|null The alias to be used in "phar://" URLs |
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*/ |
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private $alias; |
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/** |
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* @var null|string The top header comment banner text |
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*/ |
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private $banner = <<<'BANNER' |
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Generated by Box. |
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@link https://github.com/humbug/box |
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BANNER; |
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/** |
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* @var null|string The location within the PHAR of index script |
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*/ |
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private $index; |
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/** |
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* @var bool Use the Phar::interceptFileFuncs() method? |
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*/ |
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private $intercept = false; |
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/** |
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* @var string|null The shebang line |
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*/ |
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private $shebang = '#!/usr/bin/env php'; |
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/** |
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* Creates a new instance of the stub generator. |
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* |
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* @return StubGenerator the stub generator |
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*/ |
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public static function create() |
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{ |
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return new static(); |
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} |
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/** |
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* @return string The stub |
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*/ |
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public function generate(): string |
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{ |
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$stub = self::STUB_TEMPLATE; |
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$stub = str_replace( |
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"__BOX_SHEBANG__\n", |
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null === $this->shebang ? '' : $this->shebang."\n", |
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$stub |
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); |
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$stub = str_replace( |
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"__BOX_BANNER__\n", |
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$this->generateBannerStmt(), |
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$stub |
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); |
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$stub = str_replace( |
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"__BOX_PHAR_CONFIG__\n", |
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(string) $this->generatePharConfigStmt(), |
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$stub |
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); |
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return $stub; |
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} |
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public function alias(?string $alias): self |
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{ |
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$this->alias = $alias; |
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return $this; |
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} |
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public function banner(?string $banner): self |
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{ |
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$this->banner = $banner; |
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return $this; |
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} |
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public function index(?string $index): self |
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{ |
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$this->index = $index; |
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return $this; |
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} |
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public function intercept(bool $intercept): self |
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{ |
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$this->intercept = $intercept; |
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return $this; |
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} |
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public function shebang(?string $shebang): self |
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{ |
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if (null !== $shebang) { |
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Assertion::notEmpty($shebang, 'Cannot use an empty string for the shebang.'); |
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} |
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$this->shebang = $shebang; |
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return $this; |
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} |
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public function getShebang(): ?string |
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{ |
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return $this->shebang; |
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} |
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/** |
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* Escapes an argument so it can be written as a string in a call. |
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* |
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* @param string $arg |
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* @param string $quote |
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* |
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* @return string The escaped argument |
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*/ |
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private function arg(string $arg, string $quote = "'"): string |
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{ |
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return $quote.addcslashes($arg, $quote).$quote; |
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} |
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private function getAliasStmt(): ?string |
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{ |
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return null !== $this->alias ? 'Phar::mapPhar('.$this->arg($this->alias).');' : null; |
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} |
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private function generateBannerStmt(): string |
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{ |
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$banner = "/*\n * "; |
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$banner .= str_replace( |
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" \n", |
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"\n", |
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str_replace("\n", "\n * ", $this->banner) |
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); |
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$banner .= "\n */"; |
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return $banner."\n"; |
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} |
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private function generatePharConfigStmt(): ?string |
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{ |
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$stub = []; |
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if (null !== $aliasStmt = $this->getAliasStmt()) { |
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$stub[] = $aliasStmt; |
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} |
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if ($this->intercept) { |
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$stub[] = 'Phar::interceptFileFuncs();'; |
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} |
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if (null !== $this->index) { |
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$stub[] = "require 'phar://' . __FILE__ . '/{$this->index}';"; |
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} |
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if ([] === $stub) { |
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return "// No PHAR config\n"; |
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} |
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return implode("\n", $stub)."\n"; |
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} |
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} |
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humbug /
box
