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Edit File : ShellInput.php \| Size : 11.12 KB
<?php /* * This file is part of Psy Shell. * * (c) 2012-2020 Justin Hileman * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. / namespace Psy\Input; use Symfony\Component\Console\Input\InputDefinition; use Symfony\Component\Console\Input\StringInput; /* * A StringInput subclass specialized for code arguments. / class ShellInput extends StringInput { private $hasCodeArgument = false; /* * Unlike the parent implementation's tokens, this contains an array of * token/rest pairs, so that code arguments can be handled while parsing. / private $tokenPairs; private $parsed; /* * Constructor. * * @param string $input An array of parameters from the CLI (in the argv format) / public function __construct($input) { parent::__construct($input); $this->tokenPairs = $this->tokenize($input); } /* * {@inheritdoc} * * @throws \InvalidArgumentException if $definition has CodeArgument before the final argument position / public function bind(InputDefinition $definition) { $hasCodeArgument = false; if ($definition->getArgumentCount() > 0) { $args = $definition->getArguments(); $lastArg = \array_pop($args); foreach ($args as $arg) { if ($arg instanceof CodeArgument) { $msg = \sprintf('Unexpected CodeArgument before the final position: %s', $arg->getName()); throw new \InvalidArgumentException($msg); } } if ($lastArg instanceof CodeArgument) { $hasCodeArgument = true; } } $this->hasCodeArgument = $hasCodeArgument; return parent::bind($definition); } /* * Tokenizes a string. * * The version of this on StringInput is good, but doesn't handle code * arguments if they're at all complicated. This does :) * * @param string $input The input to tokenize * * @return array An array of token/rest pairs * * @throws \InvalidArgumentException When unable to parse input (should never happen) / private function tokenize($input) { $tokens = []; $length = \strlen($input); $cursor = 0; while ($cursor < $length) { if (\preg_match('/\s+/A', $input, $match, 0, $cursor)) { } elseif (\preg_match('/([^="\'\s]+?)(=?)('.StringInput::REGEX_QUOTED_STRING.'+)/A', $input, $match, 0, $cursor)) { $tokens[] = [ $match[1].$match[2].\stripcslashes(\str_replace(['"\'', '\'"', '\'\'', '""'], '', \substr($match[3], 1, \strlen($match[3]) - 2))), \stripcslashes(\substr($input, $cursor)), ]; } elseif (\preg_match('/'.StringInput::REGEX_QUOTED_STRING.'/A', $input, $match, 0, $cursor)) { $tokens[] = [ \stripcslashes(\substr($match[0], 1, \strlen($match[0]) - 2)), \stripcslashes(\substr($input, $cursor)), ]; } elseif (\preg_match('/'.StringInput::REGEX_STRING.'/A', $input, $match, 0, $cursor)) { $tokens[] = [ \stripcslashes($match[1]), \stripcslashes(\substr($input, $cursor)), ]; } else { // should never happen // @codeCoverageIgnoreStart throw new \InvalidArgumentException(\sprintf('Unable to parse input near "... %s ..."', \substr($input, $cursor, 10))); // @codeCoverageIgnoreEnd } $cursor += \strlen($match[0]); } return $tokens; } /* * Same as parent, but with some bonus handling for code arguments. / protected function parse() { $parseOptions = true; $this->parsed = $this->tokenPairs; while (null !== $tokenPair = \array_shift($this->parsed)) { // token is what you'd expect. rest is the remainder of the input // string, including token, and will be used if this is a code arg. list($token, $rest) = $tokenPair; if ($parseOptions && '' === $token) { $this->parseShellArgument($token, $rest); } elseif ($parseOptions && '--' === $token) { $parseOptions = false; } elseif ($parseOptions && 0 === \strpos($token, '--')) { $this->parseLongOption($token); } elseif ($parseOptions && '-' === $token[0] && '-' !== $token) { $this->parseShortOption($token); } else { $this->parseShellArgument($token, $rest); } } } /* * Parses an argument, with bonus handling for code arguments. * * @param string $token The current token * @param string $rest The remaining unparsed input, including the current token * * @throws \RuntimeException When too many arguments are given / private function parseShellArgument($token, $rest) { $c = \count($this->arguments); // if input is expecting another argument, add it if ($this->definition->hasArgument($c)) { $arg = $this->definition->getArgument($c); if ($arg instanceof CodeArgument) { // When we find a code argument, we're done parsing. Add the // remaining input to the current argument and call it a day. $this->parsed = []; $this->arguments[$arg->getName()] = $rest; } else { $this->arguments[$arg->getName()] = $arg->isArray() ? [$token] : $token; } return; } // (copypasta) // // @codeCoverageIgnoreStart // if last argument isArray(), append token to last argument if ($this->definition->hasArgument($c - 1) && $this->definition->getArgument($c - 1)->isArray()) { $arg = $this->definition->getArgument($c - 1); $this->arguments[$arg->getName()][] = $token; return; } // unexpected argument $all = $this->definition->getArguments(); if (\count($all)) { throw new \RuntimeException(\sprintf('Too many arguments, expected arguments "%s".', \implode('" "', \array_keys($all)))); } throw new \RuntimeException(\sprintf('No arguments expected, got "%s".', $token)); // @codeCoverageIgnoreEnd } // Everything below this is copypasta from ArgvInput private methods // @codeCoverageIgnoreStart /* * Parses a short option. * * @param string $token The current token / private function parseShortOption($token) { $name = \substr($token, 1); if (\strlen($name) > 1) { if ($this->definition->hasShortcut($name[0]) && $this->definition->getOptionForShortcut($name[0])->acceptValue()) { // an option with a value (with no space) $this->addShortOption($name[0], \substr($name, 1)); } else { $this->parseShortOptionSet($name); } } else { $this->addShortOption($name, null); } } /* * Parses a short option set. * * @param string $name The current token * * @throws \RuntimeException When option given doesn't exist / private function parseShortOptionSet($name) { $len = \strlen($name); for ($i = 0; $i < $len; $i++) { if (!$this->definition->hasShortcut($name[$i])) { throw new \RuntimeException(\sprintf('The "-%s" option does not exist.', $name[$i])); } $option = $this->definition->getOptionForShortcut($name[$i]); if ($option->acceptValue()) { $this->addLongOption($option->getName(), $i === $len - 1 ? null : \substr($name, $i + 1)); break; } else { $this->addLongOption($option->getName(), null); } } } /* * Parses a long option. * * @param string $token The current token / private function parseLongOption($token) { $name = \substr($token, 2); if (false !== $pos = \strpos($name, '=')) { if (0 === \strlen($value = \substr($name, $pos + 1))) { // if no value after "=" then substr() returns "" since php7 only, false before // see http://php.net/manual/fr/migration70.incompatible.php#119151 if (\PHP_VERSION_ID < 70000 && false === $value) { $value = ''; } \array_unshift($this->parsed, [$value, null]); } $this->addLongOption(\substr($name, 0, $pos), $value); } else { $this->addLongOption($name, null); } } /* * Adds a short option value. * * @param string $shortcut The short option key * @param mixed $value The value for the option * * @throws \RuntimeException When option given doesn't exist / private function addShortOption($shortcut, $value) { if (!$this->definition->hasShortcut($shortcut)) { throw new \RuntimeException(\sprintf('The "-%s" option does not exist.', $shortcut)); } $this->addLongOption($this->definition->getOptionForShortcut($shortcut)->getName(), $value); } /* * Adds a long option value. * * @param string $name The long option key * @param mixed $value The value for the option * * @throws \RuntimeException When option given doesn't exist */ private function addLongOption($name, $value) { if (!$this->definition->hasOption($name)) { throw new \RuntimeException(\sprintf('The "--%s" option does not exist.', $name)); } $option = $this->definition->getOption($name); if (null !== $value && !$option->acceptValue()) { throw new \RuntimeException(\sprintf('The "--%s" option does not accept a value.', $name)); } if (\in_array($value, ['', null], true) && $option->acceptValue() && \count($this->parsed)) { // if option accepts an optional or mandatory argument // let's see if there is one provided $next = \array_shift($this->parsed); $nextToken = $next[0]; if ((isset($nextToken[0]) && '-' !== $nextToken[0]) \|\| \in_array($nextToken, ['', null], true)) { $value = $nextToken; } else { \array_unshift($this->parsed, $next); } } if ($value === null) { if ($option->isValueRequired()) { throw new \RuntimeException(\sprintf('The "--%s" option requires a value.', $name)); } if (!$option->isArray() && !$option->isValueOptional()) { $value = true; } } if ($option->isArray()) { $this->options[$name][] = $value; } else { $this->options[$name] = $value; } } // @codeCoverageIgnoreEnd } Back

Edit File : ShellInput.php | Size : 11.12 KB

<?php

/*
 * This file is part of Psy Shell.
 *
 * (c) 2012-2020 Justin Hileman
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Psy\Input;

use Symfony\Component\Console\Input\InputDefinition;
use Symfony\Component\Console\Input\StringInput;

/**
 * A StringInput subclass specialized for code arguments.
 */
class ShellInput extends StringInput
{
    private $hasCodeArgument = false;

/**
     * Unlike the parent implementation's tokens, this contains an array of
     * token/rest pairs, so that code arguments can be handled while parsing.
     */
    private $tokenPairs;
    private $parsed;

/**
     * Constructor.
     *
     * @param string $input An array of parameters from the CLI (in the argv format)
     */
    public function __construct($input)
    {
        parent::__construct($input);

$this->tokenPairs = $this->tokenize($input);
    }

/**
     * {@inheritdoc}
     *
     * @throws \InvalidArgumentException if $definition has CodeArgument before the final argument position
     */
    public function bind(InputDefinition $definition)
    {
        $hasCodeArgument = false;

if ($definition->getArgumentCount() > 0) {
            $args = $definition->getArguments();
            $lastArg = \array_pop($args);
            foreach ($args as $arg) {
                if ($arg instanceof CodeArgument) {
                    $msg = \sprintf('Unexpected CodeArgument before the final position: %s', $arg->getName());
                    throw new \InvalidArgumentException($msg);
                }
            }

if ($lastArg instanceof CodeArgument) {
                $hasCodeArgument = true;
            }
        }

$this->hasCodeArgument = $hasCodeArgument;

return parent::bind($definition);
    }

/**
     * Tokenizes a string.
     *
     * The version of this on StringInput is good, but doesn't handle code
     * arguments if they're at all complicated. This does :)
     *
     * @param string $input The input to tokenize
     *
     * @return array An array of token/rest pairs
     *
     * @throws \InvalidArgumentException When unable to parse input (should never happen)
     */
    private function tokenize($input)
    {
        $tokens = [];
        $length = \strlen($input);
        $cursor = 0;
        while ($cursor < $length) {
            if (\preg_match('/\s+/A', $input, $match, 0, $cursor)) {
            } elseif (\preg_match('/([^="\'\s]+?)(=?)('.StringInput::REGEX_QUOTED_STRING.'+)/A', $input, $match, 0, $cursor)) {
                $tokens[] = [
                    $match[1].$match[2].\stripcslashes(\str_replace(['"\'', '\'"', '\'\'', '""'], '', \substr($match[3], 1, \strlen($match[3]) - 2))),
                    \stripcslashes(\substr($input, $cursor)),
                ];
            } elseif (\preg_match('/'.StringInput::REGEX_QUOTED_STRING.'/A', $input, $match, 0, $cursor)) {
                $tokens[] = [
                    \stripcslashes(\substr($match[0], 1, \strlen($match[0]) - 2)),
                    \stripcslashes(\substr($input, $cursor)),
                ];
            } elseif (\preg_match('/'.StringInput::REGEX_STRING.'/A', $input, $match, 0, $cursor)) {
                $tokens[] = [
                    \stripcslashes($match[1]),
                    \stripcslashes(\substr($input, $cursor)),
                ];
            } else {
                // should never happen
                // @codeCoverageIgnoreStart
                throw new \InvalidArgumentException(\sprintf('Unable to parse input near "... %s ..."', \substr($input, $cursor, 10)));
                // @codeCoverageIgnoreEnd
            }

$cursor += \strlen($match[0]);
        }

return $tokens;
    }

/**
     * Same as parent, but with some bonus handling for code arguments.
     */
    protected function parse()
    {
        $parseOptions = true;
        $this->parsed = $this->tokenPairs;
        while (null !== $tokenPair = \array_shift($this->parsed)) {
            // token is what you'd expect. rest is the remainder of the input
            // string, including token, and will be used if this is a code arg.
            list($token, $rest) = $tokenPair;

if ($parseOptions && '' === $token) {
                $this->parseShellArgument($token, $rest);
            } elseif ($parseOptions && '--' === $token) {
                $parseOptions = false;
            } elseif ($parseOptions && 0 === \strpos($token, '--')) {
                $this->parseLongOption($token);
            } elseif ($parseOptions && '-' === $token[0] && '-' !== $token) {
                $this->parseShortOption($token);
            } else {
                $this->parseShellArgument($token, $rest);
            }
        }
    }

/**
     * Parses an argument, with bonus handling for code arguments.
     *
     * @param string $token The current token
     * @param string $rest  The remaining unparsed input, including the current token
     *
     * @throws \RuntimeException When too many arguments are given
     */
    private function parseShellArgument($token, $rest)
    {
        $c = \count($this->arguments);

// if input is expecting another argument, add it
        if ($this->definition->hasArgument($c)) {
            $arg = $this->definition->getArgument($c);

if ($arg instanceof CodeArgument) {
                // When we find a code argument, we're done parsing. Add the
                // remaining input to the current argument and call it a day.
                $this->parsed = [];
                $this->arguments[$arg->getName()] = $rest;
            } else {
                $this->arguments[$arg->getName()] = $arg->isArray() ? [$token] : $token;
            }

return;
        }

// (copypasta)
        //
        // @codeCoverageIgnoreStart

// if last argument isArray(), append token to last argument
        if ($this->definition->hasArgument($c - 1) && $this->definition->getArgument($c - 1)->isArray()) {
            $arg = $this->definition->getArgument($c - 1);
            $this->arguments[$arg->getName()][] = $token;

return;
        }

// unexpected argument
        $all = $this->definition->getArguments();
        if (\count($all)) {
            throw new \RuntimeException(\sprintf('Too many arguments, expected arguments "%s".', \implode('" "', \array_keys($all))));
        }

throw new \RuntimeException(\sprintf('No arguments expected, got "%s".', $token));
        // @codeCoverageIgnoreEnd
    }

// Everything below this is copypasta from ArgvInput private methods
    // @codeCoverageIgnoreStart

/**
     * Parses a short option.
     *
     * @param string $token The current token
     */
    private function parseShortOption($token)
    {
        $name = \substr($token, 1);

if (\strlen($name) > 1) {
            if ($this->definition->hasShortcut($name[0]) && $this->definition->getOptionForShortcut($name[0])->acceptValue()) {
                // an option with a value (with no space)
                $this->addShortOption($name[0], \substr($name, 1));
            } else {
                $this->parseShortOptionSet($name);
            }
        } else {
            $this->addShortOption($name, null);
        }
    }

/**
     * Parses a short option set.
     *
     * @param string $name The current token
     *
     * @throws \RuntimeException When option given doesn't exist
     */
    private function parseShortOptionSet($name)
    {
        $len = \strlen($name);
        for ($i = 0; $i < $len; $i++) {
            if (!$this->definition->hasShortcut($name[$i])) {
                throw new \RuntimeException(\sprintf('The "-%s" option does not exist.', $name[$i]));
            }

$option = $this->definition->getOptionForShortcut($name[$i]);
            if ($option->acceptValue()) {
                $this->addLongOption($option->getName(), $i === $len - 1 ? null : \substr($name, $i + 1));

break;
            } else {
                $this->addLongOption($option->getName(), null);
            }
        }
    }

/**
     * Parses a long option.
     *
     * @param string $token The current token
     */
    private function parseLongOption($token)
    {
        $name = \substr($token, 2);

if (false !== $pos = \strpos($name, '=')) {
            if (0 === \strlen($value = \substr($name, $pos + 1))) {
                // if no value after "=" then substr() returns "" since php7 only, false before
                // see http://php.net/manual/fr/migration70.incompatible.php#119151
                if (\PHP_VERSION_ID < 70000 && false === $value) {
                    $value = '';
                }
                \array_unshift($this->parsed, [$value, null]);
            }
            $this->addLongOption(\substr($name, 0, $pos), $value);
        } else {
            $this->addLongOption($name, null);
        }
    }

/**
     * Adds a short option value.
     *
     * @param string $shortcut The short option key
     * @param mixed  $value    The value for the option
     *
     * @throws \RuntimeException When option given doesn't exist
     */
    private function addShortOption($shortcut, $value)
    {
        if (!$this->definition->hasShortcut($shortcut)) {
            throw new \RuntimeException(\sprintf('The "-%s" option does not exist.', $shortcut));
        }

$this->addLongOption($this->definition->getOptionForShortcut($shortcut)->getName(), $value);
    }

/**
     * Adds a long option value.
     *
     * @param string $name  The long option key
     * @param mixed  $value The value for the option
     *
     * @throws \RuntimeException When option given doesn't exist
     */
    private function addLongOption($name, $value)
    {
        if (!$this->definition->hasOption($name)) {
            throw new \RuntimeException(\sprintf('The "--%s" option does not exist.', $name));
        }

$option = $this->definition->getOption($name);

if (null !== $value && !$option->acceptValue()) {
            throw new \RuntimeException(\sprintf('The "--%s" option does not accept a value.', $name));
        }

if (\in_array($value, ['', null], true) && $option->acceptValue() && \count($this->parsed)) {
            // if option accepts an optional or mandatory argument
            // let's see if there is one provided
            $next = \array_shift($this->parsed);
            $nextToken = $next[0];
            if ((isset($nextToken[0]) && '-' !== $nextToken[0]) || \in_array($nextToken, ['', null], true)) {
                $value = $nextToken;
            } else {
                \array_unshift($this->parsed, $next);
            }
        }

if ($value === null) {
            if ($option->isValueRequired()) {
                throw new \RuntimeException(\sprintf('The "--%s" option requires a value.', $name));
            }

if (!$option->isArray() && !$option->isValueOptional()) {
                $value = true;
            }
        }

if ($option->isArray()) {
            $this->options[$name][] = $value;
        } else {
            $this->options[$name] = $value;
        }
    }

// @codeCoverageIgnoreEnd
}

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