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Application.php
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BufferedConsoleOutput.php
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CacheCommandMutex.php
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Command.php
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CommandMutex.php
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Concerns
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ConfirmableTrait.php
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ContainerCommandLoader.php
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Contracts
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GeneratorCommand.php
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LICENSE.md
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MigrationGeneratorCommand.php
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OutputStyle.php
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Parser.php
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PromptValidationException.php
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QuestionHelper.php
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Scheduling
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Signals.php
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Editing: Parser.php
<?php namespace Illuminate\Console; use InvalidArgumentException; use Symfony\Component\Console\Input\InputArgument; use Symfony\Component\Console\Input\InputOption; class Parser { /** * Parse the given console command definition into an array. * * @param string $expression * @return array * * @throws \InvalidArgumentException */ public static function parse(string $expression) { $name = static::name($expression); if (preg_match_all('/\{\s*(.*?)\s*\}/', $expression, $matches) && count($matches[1])) { return array_merge([$name], static::parameters($matches[1])); } return [$name, [], []]; } /** * Extract the name of the command from the expression. * * @param string $expression * @return string * * @throws \InvalidArgumentException */ protected static function name(string $expression) { if (! preg_match('/[^\s]+/', $expression, $matches)) { throw new InvalidArgumentException('Unable to determine command name from signature.'); } return $matches[0]; } /** * Extract all parameters from the tokens. * * @param array $tokens * @return array */ protected static function parameters(array $tokens) { $arguments = []; $options = []; foreach ($tokens as $token) { if (preg_match('/^-{2,}(.*)/', $token, $matches)) { $options[] = static::parseOption($matches[1]); } else { $arguments[] = static::parseArgument($token); } } return [$arguments, $options]; } /** * Parse an argument expression. * * @param string $token * @return \Symfony\Component\Console\Input\InputArgument */ protected static function parseArgument(string $token) { [$token, $description] = static::extractDescription($token); switch (true) { case str_ends_with($token, '?*'): return new InputArgument(trim($token, '?*'), InputArgument::IS_ARRAY, $description); case str_ends_with($token, '*'): return new InputArgument(trim($token, '*'), InputArgument::IS_ARRAY | InputArgument::REQUIRED, $description); case str_ends_with($token, '?'): return new InputArgument(trim($token, '?'), InputArgument::OPTIONAL, $description); case preg_match('/(.+)\=\*(.+)/', $token, $matches): return new InputArgument($matches[1], InputArgument::IS_ARRAY, $description, preg_split('/,\s?/', $matches[2])); case preg_match('/(.+)\=(.+)/', $token, $matches): return new InputArgument($matches[1], InputArgument::OPTIONAL, $description, $matches[2]); default: return new InputArgument($token, InputArgument::REQUIRED, $description); } } /** * Parse an option expression. * * @param string $token * @return \Symfony\Component\Console\Input\InputOption */ protected static function parseOption(string $token) { [$token, $description] = static::extractDescription($token); $matches = preg_split('/\s*\|\s*/', $token, 2); $shortcut = null; if (isset($matches[1])) { $shortcut = $matches[0]; $token = $matches[1]; } switch (true) { case str_ends_with($token, '='): return new InputOption(trim($token, '='), $shortcut, InputOption::VALUE_OPTIONAL, $description); case str_ends_with($token, '=*'): return new InputOption(trim($token, '=*'), $shortcut, InputOption::VALUE_OPTIONAL | InputOption::VALUE_IS_ARRAY, $description); case preg_match('/(.+)\=\*(.+)/', $token, $matches): return new InputOption($matches[1], $shortcut, InputOption::VALUE_OPTIONAL | InputOption::VALUE_IS_ARRAY, $description, preg_split('/,\s?/', $matches[2])); case preg_match('/(.+)\=(.+)/', $token, $matches): return new InputOption($matches[1], $shortcut, InputOption::VALUE_OPTIONAL, $description, $matches[2]); default: return new InputOption($token, $shortcut, InputOption::VALUE_NONE, $description); } } /** * Parse the token into its token and description segments. * * @param string $token * @return array */ protected static function extractDescription(string $token) { $parts = preg_split('/\s+:\s+/', trim($token), 2); return count($parts) === 2 ? $parts : [$token, '']; } }
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