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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 "php-ipfs" package. |
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* |
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* (c) Robert Schönthal <[email protected]> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace IPFS\Api; |
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use Http\Client\HttpAsyncClient; |
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use Http\Message\MessageFactory; |
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use IPFS\Utils\CaseFormatter; |
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use Psr\Http\Message\ResponseInterface; |
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use Symfony\Component\DomCrawler\Crawler; |
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class ApiParser |
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{ |
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/** |
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* @var HttpAsyncClient |
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*/ |
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private $client; |
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/** |
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* @var MessageFactory |
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*/ |
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private $messageFactory; |
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/** |
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* @var Crawler |
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*/ |
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private $crawler; |
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public function __construct(HttpAsyncClient $client, MessageFactory $messageFactory, Crawler $crawler) |
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{ |
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$this->client = $client; |
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$this->messageFactory = $messageFactory; |
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$this->crawler = $crawler; |
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} |
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public function build(string $url = 'https://ipfs.io/docs/api/', string $prefix = '#apiv0'): array |
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{ |
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return $this->client |
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->sendAsyncRequest($this->messageFactory->createRequest('GET', $url)) |
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->then(function (ResponseInterface $response) use ($prefix) { |
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return $this->buildMethods($response, $prefix); |
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}) |
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->wait() |
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; |
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} |
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private function buildMethods(ResponseInterface $response, $prefix): array |
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{ |
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$this->crawler->addHtmlContent($response->getBody()->getContents()); |
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$links = $this->crawler->filter('li a[href^="' . $prefix . '"]')->each(function (Crawler $node) { |
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return $node->attr('href'); |
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}); |
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$config = []; |
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foreach ($links as $link) { |
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$anchor = $this->crawler->filter($link)->first(); |
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$description = $anchor->nextAll()->first()->getNode(0)->nodeName === 'p' ? $anchor->nextAll()->first()->text() : null; |
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$methodConfig = [ |
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'parts' => str_replace('/', ':', str_replace('/api/v0/', '', $anchor->text())), |
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'description' => $description, |
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'arguments' => $this->parseArguments($anchor, $description ? 2 : 1), |
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]; |
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$nameParts = explode(':', $methodConfig['parts']); |
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if (count($nameParts) > 1) { |
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$class = array_shift($nameParts); |
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$methodConfig['class'] = ucfirst(CaseFormatter::dashToCamel($class)); |
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$methodConfig['method'] = CaseFormatter::dashToCamel(implode('-', $nameParts)); |
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} else { |
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$methodConfig['class'] = 'Basics'; |
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$methodConfig['method'] = CaseFormatter::dashToCamel($methodConfig['parts']); |
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} |
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$config[$methodConfig['class']][] = $methodConfig; |
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} |
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return $config; |
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} |
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private function parseArguments(Crawler $anchor, int $index): array |
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{ |
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$argumentsRootNode = $anchor->nextAll()->eq($index)->first(); |
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if ($argumentsRootNode->getNode(0)->nodeName === 'ul') { |
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$names = []; |
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return $argumentsRootNode->filter('li')->each(function (Crawler $argument) use (&$names) { |
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$description = $argument->filter('code')->first()->getNode(0)->nextSibling->textContent; |
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$name = CaseFormatter::dashToCamel($argument->filter('code')->first()->text()); |
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if (!isset($names[$name])) { |
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$names[$name] = 0; |
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} else { |
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++$names[$name]; |
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} |
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$config = [ |
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'name' => $names[$name] === 0 ? $name : $name . $names[$name], |
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'required' => $argument->filter('strong')->count() > 0, |
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'description' => $this->parseDescription($description), |
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'default' => $this->parseDefaultValue($description), |
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'type' => $this->parseTypeHint($description), |
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]; |
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//fixup files |
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if ('file' === $config['type']) { |
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$config['type'] = 'string'; |
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$config['name'] = 'file'; |
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} |
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return $config; |
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}); |
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} |
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return []; |
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} |
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private function parseDefaultValue(string $description) |
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{ |
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preg_match('/Default\: \"(.+)\"/', $description, $default); |
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if (count($default) === 2) { |
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$default = $default[1]; |
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$default = CaseFormatter::stringToBool($default); |
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return $default; |
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} |
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} |
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private function parseDescription($description): string |
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{ |
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preg_match('/\]\: (.+)/', $description, $default); |
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if (count($default) > 1) { |
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return substr($default[1], 0, strpos($default[1], '.') ?: strlen($default[1])) . '.'; |
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} |
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} |
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private function parseTypeHint(string $description): string |
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{ |
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preg_match('/\[(.+)\]/', $description, $default); |
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if (count($default) > 1) { |
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return $default[1]; |
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} |
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} |
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} |
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digitalkaoz /
php-ipfs-api
