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<?php |
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namespace Ballen\Clip; |
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use Ballen\Clip\Utilities\ArgumentsParser; |
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use Ballen\Clip\Utilities\CommandRouter; |
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use InvalidArgumentException; |
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/** |
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* Clip |
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* |
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* A package for speeding up development of PHP console (CLI) applications. |
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* |
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* @author Bobby Allen <[email protected]> |
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* @license https://raw.githubusercontent.com/bobsta63/clip/master/LICENSE |
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* @link https://github.com/bobsta63/clip |
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* @link http://www.bobbyallen.me |
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* |
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*/ |
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class ConsoleApplication |
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{ |
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/** |
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* The CLI arguments |
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* @var ArgumentsParser |
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*/ |
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private $arguments; |
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/** |
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* Command routing configuration. |
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* @var CommandRouter |
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*/ |
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private $router; |
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/** |
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* Console Application Constructor |
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* @param ArgumentsParser $argv The PHP $argv array (Pass $argv global if you wish to access the CLI arguments) |
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*/ |
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public function __construct(ArgumentsParser $argv) |
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{ |
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$this->arguments = $argv; |
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$this->router = new CommandRouter(); |
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} |
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/** |
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* Returns the CLI arguments exposed to the CLI application. |
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* @return ArgumentsParser |
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*/ |
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public function arguments() |
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{ |
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return $this->arguments; |
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} |
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/** |
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* Returns the router instance. |
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* @return CommandRouter |
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*/ |
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public function router() |
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{ |
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return $this->router; |
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} |
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/** |
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* Enforces that the script must be run at the console. |
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* @param boolean $enforced Enforce execution only through the CLI. |
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* @param string $error_message Custom error message. |
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* @return void |
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*/ |
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public function enforceCli($enforced = false, $error_message = 'CLI execution permitted only!') |
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{ |
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if ($enforced && (php_sapi_name() != "cli")) { |
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die($error_message); |
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} |
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} |
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/** |
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* Checks that the user is root! |
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* @return boolean |
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*/ |
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public function isSuperUser() |
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{ |
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if (!function_exists('posix_getuid')) { |
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throw new RuntimeException('The isSuperUser() method requires the PHP POSIX extention to be enabled!'); |
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} |
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if (posix_getuid() == 0) { |
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return true; |
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} |
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return false; |
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} |
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/** |
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* Executes a system command. |
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* @param string $command The command to execute. |
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* @return string |
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*/ |
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public function call($command) |
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{ |
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return system($command); |
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} |
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/** |
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* Write to the console. |
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* @param string $text The text to output. |
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* @return \Ballen\Clip\ConsoleApplication |
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*/ |
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public function write($text = '') |
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{ |
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fwrite(STDOUT, $text); |
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return $this; |
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} |
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/** |
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* Write a line of characters (or an empty line) to the CLI. |
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* @param string $text The text to output. |
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* @return \Ballen\Clip\ConsoleApplication |
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*/ |
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public function writeln($text = '') |
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{ |
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$this->write($text . PHP_EOL); |
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return $this; |
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} |
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/** |
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* Request user input |
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* @param string $question The input question/text |
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* @param string $default A default value if one is not selected. |
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* @param array $options Valid options that are acceptable, these are case insensitive! |
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* @return string |
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*/ |
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public function input($question, $default = '', $options = []) |
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{ |
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if (empty($default)) { |
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$this->write($question . ' '); |
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} elseif (empty($options)) { |
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$this->write($question . ' [' . $default . '] '); |
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} else { |
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$available_options = []; |
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foreach (strtolower($options) as $option) { |
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if ($option === strtolower($default)) { |
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$option = strtoupper($option); |
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} |
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$available_options[] = $option; |
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} |
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$available_opts = rtrim(implode($available_options, '/'), '/'); |
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$this->write($question . ' [' . $available_opts . '] '); |
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} |
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$answer = rtrim(fgets(STDIN), PHP_EOL); |
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if (empty($answer)) { |
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return $default; |
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} |
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if (count($options) > 0) { |
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if (!in_array(strtolower($answer), array_map('strtolower', $options))) { |
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return $this->input($question, $default, $options); |
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} |
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return $answer; |
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} |
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return $answer; |
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} |
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/** |
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* Writes an array to the CLI output |
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* @param array $array The array of data to write to the console. |
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* @return \Ballen\Clip\ConsoleApplication |
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*/ |
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public function writearr($array = []) |
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{ |
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print_r($array); |
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return $this; |
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} |
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/** |
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* Exits with a specific status code. |
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* @param int $status The status code to exit with. |
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* @throws InvalidArgumentException |
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*/ |
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public function exitWithStatus($status = 0) |
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{ |
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if (!is_int($status)) { |
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throw new InvalidArgumentException('The status code must be an integer value.'); |
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} |
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exit($status); |
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} |
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/** |
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* Exits the CLI with status code 0 (Successful) |
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* @return void |
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*/ |
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public function exitWithSuccess() |
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{ |
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$this->exitWithStatus(0); |
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} |
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/** |
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* Exits the CLI with statu code 1 (Error) |
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* @return void |
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*/ |
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public function exitWithError() |
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{ |
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$this->exitWithStatus(1); |
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} |
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/** |
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* Run the current application. |
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* @return void |
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*/ |
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public function run() |
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{ |
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$this->router()->dispatch($this->arguments()->getCommand(1)); |
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} |
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} |
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