X-Git-Url: http://www.aleph1.co.uk/gitweb/?p=yaffs-website;a=blobdiff_plain;f=vendor%2Fpsy%2Fpsysh%2Fsrc%2FPsy%2FInput%2FShellInput.php;fp=vendor%2Fpsy%2Fpsysh%2Fsrc%2FPsy%2FInput%2FShellInput.php;h=e25db4618f387daebd10be98bc796af6bbc58f18;hp=0000000000000000000000000000000000000000;hb=eba34333e3c89f208d2f72fa91351ad019a71583;hpb=a2bd1bf0c2c1f1a17d188f4dc0726a45494cefae diff --git a/vendor/psy/psysh/src/Psy/Input/ShellInput.php b/vendor/psy/psysh/src/Psy/Input/ShellInput.php new file mode 100644 index 000000000..e25db4618 --- /dev/null +++ b/vendor/psy/psysh/src/Psy/Input/ShellInput.php @@ -0,0 +1,322 @@ +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 = array(); + $length = strlen($input); + $cursor = 0; + while ($cursor < $length) { + if (preg_match('/\s+/A', $input, $match, null, $cursor)) { + } elseif (preg_match('/([^="\'\s]+?)(=?)(' . StringInput::REGEX_QUOTED_STRING . '+)/A', $input, $match, null, $cursor)) { + $tokens[] = array( + $match[1] . $match[2] . stripcslashes(str_replace(array('"\'', '\'"', '\'\'', '""'), '', substr($match[3], 1, strlen($match[3]) - 2))), + substr($input, $cursor), + ); + } elseif (preg_match('/' . StringInput::REGEX_QUOTED_STRING . '/A', $input, $match, null, $cursor)) { + $tokens[] = array( + stripcslashes(substr($match[0], 1, strlen($match[0]) - 2)), + substr($input, $cursor), + ); + } elseif (preg_match('/' . StringInput::REGEX_STRING . '/A', $input, $match, null, $cursor)) { + $tokens[] = array( + stripcslashes($match[1]), + substr($input, $cursor), + ); + } else { + // should never happen + throw new \InvalidArgumentException(sprintf('Unable to parse input near "... %s ..."', substr($input, $cursor, 10))); + } + + $cursor += strlen($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 = array(); + $this->arguments[$arg->getName()] = $rest; + } else { + $this->arguments[$arg->getName()] = $arg->isArray() ? array($token) : $token; + } + + // if last argument isArray(), append token to last argument + } elseif ($this->definition->hasArgument($c - 1) && $this->definition->getArgument($c - 1)->isArray()) { + $arg = $this->definition->getArgument($c - 1); + $this->arguments[$arg->getName()][] = $token; + + // unexpected argument + } else { + $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)); + } + } + + // Everything below this is copypasta from ArgvInput private methods + + /** + * 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, array($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, array('', 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, array('', null), true)) { + $value = $nextToken; + } else { + array_unshift($this->parsed, $next); + } + } + + if (null === $value) { + if ($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; + } + } +}