mirror of
https://github.com/kamilwylegala/cakephp2-php8.git
synced 2024-11-15 19:38:26 +00:00
44c080d5ad
Adding package specific exceptions. Replacing generic exceptions in the codebase with CakeException + package exceptions.
608 lines
18 KiB
PHP
608 lines
18 KiB
PHP
<?php
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/**
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* ConsoleOptionParser file
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*
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* PHP 5
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*
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* CakePHP(tm) : Rapid Development Framework (http://cakephp.org)
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* Copyright 2005-2010, Cake Software Foundation, Inc. (http://cakefoundation.org)
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*
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* Licensed under The MIT License
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* Redistributions of files must retain the above copyright notice.
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*
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* @copyright Copyright 2005-2010, Cake Software Foundation, Inc. (http://cakefoundation.org)
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* @link http://cakephp.org CakePHP(tm) Project
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* @package cake
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* @subpackage cake.cake.console
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* @since CakePHP(tm) v 2.0
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* @license MIT License (http://www.opensource.org/licenses/mit-license.php)
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*/
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require_once CONSOLE_LIBS . 'console_input_option.php';
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require_once CONSOLE_LIBS . 'console_input_argument.php';
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require_once CONSOLE_LIBS . 'console_input_subcommand.php';
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require_once CONSOLE_LIBS . 'help_formatter.php';
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/**
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* Handles parsing the ARGV in the command line and provides support
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* for GetOpt compatible option definition. Provides a builder pattern implementation
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* for creating shell option parsers.
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*
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* @package cake
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* @subpackage cake.cake.console
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*/
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class ConsoleOptionParser {
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/**
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* Description text - displays before options when help is generated
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*
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* @see ConsoleOptionParser::description()
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* @var string
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*/
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protected $_description = null;
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/**
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* Epilog text - displays after options when help is generated
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*
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* @see ConsoleOptionParser::epilog()
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* @var string
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*/
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protected $_epilog = null;
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/**
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* Option definitions.
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*
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* @see ConsoleOptionParser::addOption()
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* @var array
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*/
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protected $_options = array();
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/**
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* Map of short -> long options, generated when using addOption()
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*
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* @var string
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*/
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protected $_shortOptions = array();
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/**
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* Positional argument definitions.
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*
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* @see ConsoleOptionParser::addArgument()
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* @var array
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*/
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protected $_args = array();
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/**
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* Subcommands for this Shell.
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*
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* @var array
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*/
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protected $_subcommands = array();
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/**
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* Construct an OptionParser so you can define its behavior
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*
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* ### Options
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*
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* Named arguments come in two forms, long and short. Long arguments are preceeded
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* by two - and give a more verbose option name. i.e. `--version`. Short arguments are
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* preceeded by one - and are only one character long. They usually match with a long option,
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* and provide a more terse alternative.
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*
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* #### Using Options
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*
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* Options can be defined with both long and short forms. By using `$parser->addOption()`
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* you can define new options. The name of the option is used as its long form, and you
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* can supply an additional short form, with the `short` option.
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*
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* Calling options can be done using syntax similar to most *nix command line tools. Long options
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* cane either include an `=` or leave it out.
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*
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* `cake myshell command --connection default --name=something`
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*
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* Short options can be defined singally or in groups.
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*
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* `cake myshell command -cn`
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*
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* ### Positional arguments
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*
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* If no positional arguments are defined, all of them will be parsed. If you define positional
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* arguments any arguments greater than those defined will cause exceptions. Additionally you can
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* declare arguments as optional, by setting the required param to false.
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*
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* `$parser->addArgument('model', array('required' => false));`
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*
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* ### Providing Help text
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*
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* By providing help text for your positional arguments and named arguments, the ConsoleOptionParser
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* can generate a help display for you. You can view the help for shells by using the `--help` or `-h` switch.
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*
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* @param string $command The command name this parser is for. The command name is used for generating help.
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* @param boolean $defaultOptions Whether you want the verbose and quiet options set.
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*/
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public function __construct($command = null, $defaultOptions = true) {
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$this->_command = $command;
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$this->addOption('help', array(
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'short' => 'h',
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'help' => 'Display this help.',
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'boolean' => true
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));
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if ($defaultOptions) {
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$this->addOption('verbose', array(
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'short' => 'v',
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'help' => __('Enable verbose output.'),
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'boolean' => true
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))->addOption('quiet', array(
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'short' => 'q',
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'help' => __('Enable quiet output.'),
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'boolean' => true
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));
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}
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}
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/**
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* Static factory method for creating new OptionParsers so you can chain methods off of them.
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*
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* @param string $command The command name this parser is for. The command name is used for generating help.
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* @param boolean $defaultOptions Whether you want the verbose and quiet options set.
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* @return ConsoleOptionParser
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*/
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public static function create($command, $defaultOptions = true) {
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return new ConsoleOptionParser($command, $defaultOptions);
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}
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/**
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* Build a parser from an array. Uses an array like
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*
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* {{{
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* $spec = array(
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* 'description' => 'text',
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* 'epilog' => 'text',
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* 'arguments' => array(
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* // list of arguments compatible with addArguments.
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* ),
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* 'options' => array(
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* // list of options compatible with addOptions
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* ),
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* 'subcommands' => array(
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* // list of subcommands to add.
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* )
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* );
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* }}}
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*
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* @param array $spec The spec to build the OptionParser with.
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* @return ConsoleOptionParser
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*/
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public static function buildFromArray($spec) {
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$parser = new ConsoleOptionParser($spec['command']);
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if (!empty($spec['arguments'])) {
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$parser->addArguments($spec['arguments']);
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}
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if (!empty($spec['options'])) {
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$parser->addOptions($spec['options']);
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}
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if (!empty($spec['subcommands'])) {
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$parser->addSubcommands($spec['subcommands']);
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}
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if (!empty($spec['description'])) {
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$parser->description($spec['description']);
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}
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if (!empty($spec['epilog'])) {
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$parser->epilog($spec['epilog']);
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}
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return $parser;
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}
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/**
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* Get or set the command name for shell/task
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*
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* @param string $text The text to set, or null if you want to read
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* @return mixed If reading, the value of the command. If setting $this will be returned
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*/
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public function command($text = null) {
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if ($text !== null) {
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$this->_command = $text;
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return $this;
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}
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return $this->_command;
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}
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/**
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* Get or set the description text for shell/task
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*
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* @param mixed $text The text to set, or null if you want to read. . If an array the text will be imploded with "\n"
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* @return mixed If reading, the value of the description. If setting $this will be returned
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*/
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public function description($text = null) {
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if ($text !== null) {
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if (is_array($text)) {
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$text = implode("\n", $text);
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}
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$this->_description = $text;
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return $this;
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}
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return $this->_description;
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}
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/**
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* Get or set an epilog to the parser. The epilog is added to the end of
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* the options and arguments listing when help is generated.
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*
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* @param mixed $text Text when setting or null when reading. If an array the text will be imploded with "\n"
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* @return mixed If reading, the value of the epilog. If setting $this will be returned.
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*/
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public function epilog($text = null) {
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if ($text !== null) {
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if (is_array($text)) {
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$text = implode("\n", $text);
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}
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$this->_epilog = $text;
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return $this;
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}
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return $this->_epilog;
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}
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/**
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* Add an option to the option parser. Options allow you to define optional or required
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* parameters for your console application. Options are defined by the parameters they use.
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*
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* ### Params
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*
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* - `short` - The single letter variant for this option, leave undefined for none.
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* - `help` - Help text for this option. Used when generating help for the option.
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* - `default` - The default value for this option. Defaults are added into the parsed params when the
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* attached option is not provided or has no value. Using default and boolean together will not work.
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* are added into the parsed parameters when the option is undefined. Defaults to null.
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* - `boolean` - The option uses no value, its just a boolean switch. Defaults to false.
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* If an option is defined as boolean, it will always be added to the parsed params. If no present
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* it will be false, if present it will be true.
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* - `choices` A list of valid choices for this option. If left empty all values are valid..
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* An exception will be raised when parse() encounters an invalid value.
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*
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* @param string $name The long name you want to the value to be parsed out as when options are parsed.
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* @param array $params An array of parameters that define the behavior of the option
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* @return returns $this.
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*/
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public function addOption($name, $params = array()) {
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if (is_object($name) && $name instanceof ConsoleInputOption) {
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$option = $name;
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$name = $option->name();
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} else {
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$defaults = array(
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'name' => $name,
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'short' => null,
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'help' => '',
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'default' => null,
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'boolean' => false,
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'choices' => array()
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);
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$options = array_merge($defaults, $params);
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$option = new ConsoleInputOption($options);
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}
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$this->_options[$name] = $option;
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if ($option->short() !== null) {
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$this->_shortOptions[$option->short()] = $name;
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}
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return $this;
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}
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/**
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* Add a positional argument to the option parser.
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*
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* ### Params
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*
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* - `help` The help text to display for this argument.
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* - `required` Whether this parameter is required.
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* - `index` The index for the arg, if left undefined the argument will be put
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* onto the end of the arguments. If you define the same index twice the first
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* option will be overwritten.
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* - `choices` A list of valid choices for this argument. If left empty all values are valid..
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* An exception will be raised when parse() encounters an invalid value.
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*
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* @param string $name The name of the argument.
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* @param array $params Parameters for the argument, see above.
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* @return $this.
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*/
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public function addArgument($name, $params = array()) {
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if (is_object($name) && $name instanceof ConsoleInputArgument) {
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$arg = $name;
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$index = count($this->_args);
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} else {
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$defaults = array(
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'name' => $name,
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'help' => '',
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'index' => count($this->_args),
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'required' => false,
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'choices' => array()
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);
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$options = array_merge($defaults, $params);
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$index = $options['index'];
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unset($options['index']);
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$arg = new ConsoleInputArgument($options);
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}
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$this->_args[$index] = $arg;
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return $this;
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}
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/**
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* Add multiple arugments at once. Take an array of arugment defintions.
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* The keys are used as the argument names, and the values as params for the argument.
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*
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* @param array $args Array of arguments to add.
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* @see ConsoleOptionParser::addArgument()
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* @return $this
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*/
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public function addArguments(array $args) {
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foreach ($args as $name => $params) {
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$this->addArgument($name, $params);
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}
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return $this;
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}
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/**
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* Add multiple options at once. Takes an array of option definitions.
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* The keys are used as option names, and the values as params for the option.
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*
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* @param array $options Array of options to add.
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* @see ConsoleOptionParser::addOption()
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* @return $this
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*/
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public function addOptions(array $options) {
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foreach ($options as $name => $params) {
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$this->addOption($name, $params);
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}
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return $this;
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}
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/**
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* Append a subcommand to the subcommand list.
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* Subcommands are usually methods on your Shell, but can also be used to document
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* Tasks
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*
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* ### Params
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*
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* - `help` - Help text for the subcommand.
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* - `parser` - A ConsoleOptionParser for the subcommand. This allows you to create method
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* specific option parsers. When help is generated for a subcommand, if a parser is present
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* it will be used.
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*
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* @param string $name Name of the subcommand
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* @param array $params Array of params, see above.
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* @return $this.
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*/
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public function addSubcommand($name, $params = array()) {
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if (is_object($name) && $name instanceof ConsoleInputSubcommand) {
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$command = $name;
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$name = $command->name();
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} else {
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$defaults = array(
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'name' => $name,
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'help' => '',
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'parser' => null
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);
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$options = array_merge($defaults, $params);
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$command = new ConsoleInputSubcommand($options);
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}
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$this->_subcommands[$name] = $command;
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return $this;
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}
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/**
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* Add multiple subcommands at once.
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*
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* @param array $commands Array of subcommands.
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* @return $this
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*/
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public function addSubcommands(array $commands) {
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foreach ($commands as $name => $params) {
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$this->addSubcommand($name, $params);
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}
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return $this;
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}
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/**
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* Gets the arguments defined in the parser.
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*
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* @return array Array of argument descriptions
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*/
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public function arguments() {
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return $this->_args;
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}
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/**
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* Get the defined options in the parser.
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*
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* @return array
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*/
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public function options() {
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return $this->_options;
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}
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/**
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* Get the array of defined subcommands
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*
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* @return array
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*/
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public function subcommands() {
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return $this->_subcommands;
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}
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/**
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* Parse the argv array into a set of params and args. If $command is not null
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* and $command is equal to a subcommand that has a parser, that parser will be used
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* to parse the $argv
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*
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* @param array $argv Array of args (argv) to parse.
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* @param string $command The subcommand to use. If this parameter is a subcommand, that has a parser,
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* That parser will be used to parse $argv instead.
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* @return Array array($params, $args)
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* @throws InvalidArgumentException When an invalid parameter is encountered.
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* RuntimeException when required arguments are not supplied.
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*/
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public function parse($argv, $command = null) {
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if (isset($this->_subcommands[$command]) && $this->_subcommands[$command]->parser()) {
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return $this->_subcommands[$command]->parser()->parse($argv);
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}
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$params = $args = array();
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$this->_tokens = $argv;
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while ($token = array_shift($this->_tokens)) {
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if (substr($token, 0, 2) == '--') {
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$params = $this->_parseLongOption($token, $params);
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} elseif (substr($token, 0, 1) == '-') {
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$params = $this->_parseShortOption($token, $params);
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} else {
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$args = $this->_parseArg($token, $args);
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}
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}
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foreach ($this->_args as $i => $arg) {
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if ($arg->isRequired() && !isset($args[$i]) && empty($params['help'])) {
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throw new ConsoleException(
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__('Missing required arguments. %s is required.', $arg->name())
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);
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}
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}
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foreach ($this->_options as $option) {
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$name = $option->name();
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$isBoolean = $option->isBoolean();
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$default = $option->defaultValue();
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if ($default !== null && !isset($params[$name]) && !$isBoolean) {
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$params[$name] = $default;
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}
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if ($isBoolean && !isset($params[$name])) {
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$params[$name] = false;
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}
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}
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return array($params, $args);
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}
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/**
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* Gets formatted help for this parser object.
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* Generates help text based on the description, options, arguments, subcommands and epilog
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* in the parser.
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*
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* @param string $subcommand If present and a valid subcommand that has a linked parser.
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* That subcommands help will be shown instead.
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* @param int $width The width to format user content to. Defaults to 72
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* @return string Generated help.
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*/
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public function help($subcommand = null, $format = 'text', $width = 72) {
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if (
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isset($this->_subcommands[$subcommand]) &&
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$this->_subcommands[$subcommand]->parser() instanceof self
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) {
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$subparser = $this->_subcommands[$subcommand]->parser();
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$subparser->command($this->command() . ' ' . $subparser->command());
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return $subparser->help(null, $format, $width);
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}
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$formatter = new HelpFormatter($this);
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if ($format == 'text' || $format === true) {
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return $formatter->text($width);
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} elseif ($format == 'xml') {
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return $formatter->xml();
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}
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}
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/**
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* Parse the value for a long option out of $this->_tokens. Will handle
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* options with an `=` in them.
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*
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* @param string $option The option to parse.
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* @param array $params The params to append the parsed value into
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* @return array Params with $option added in.
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*/
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protected function _parseLongOption($option, $params) {
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$name = substr($option, 2);
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if (strpos($name, '=') !== false) {
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list($name, $value) = explode('=', $name, 2);
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array_unshift($this->_tokens, $value);
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}
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return $this->_parseOption($name, $params);
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}
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/**
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* Parse the value for a short option out of $this->_tokens
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* If the $option is a combination of multiple shortcuts like -otf
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|
* they will be shifted onto the token stack and parsed individually.
|
|
*
|
|
* @param string $option The option to parse.
|
|
* @param array $params The params to append the parsed value into
|
|
* @return array Params with $option added in.
|
|
*/
|
|
protected function _parseShortOption($option, $params) {
|
|
$key = substr($option, 1);
|
|
if (strlen($key) > 1) {
|
|
$flags = str_split($key);
|
|
$key = $flags[0];
|
|
for ($i = 1, $len = count($flags); $i < $len; $i++) {
|
|
array_unshift($this->_tokens, '-' . $flags[$i]);
|
|
}
|
|
}
|
|
$name = $this->_shortOptions[$key];
|
|
return $this->_parseOption($name, $params);
|
|
}
|
|
|
|
/**
|
|
* Parse an option by its name index.
|
|
*
|
|
* @param string $option The option to parse.
|
|
* @param array $params The params to append the parsed value into
|
|
* @return array Params with $option added in.
|
|
*/
|
|
protected function _parseOption($name, $params) {
|
|
if (!isset($this->_options[$name])) {
|
|
throw new ConsoleException(__('Unknown option `%s`', $name));
|
|
}
|
|
$option = $this->_options[$name];
|
|
$isBoolean = $option->isBoolean();
|
|
$nextValue = $this->_nextToken();
|
|
if (!$isBoolean && !empty($nextValue) && $nextValue{0} != '-') {
|
|
array_shift($this->_tokens);
|
|
$value = $nextValue;
|
|
} elseif ($isBoolean) {
|
|
$value = true;
|
|
} else {
|
|
$value = $option->defaultValue();
|
|
}
|
|
if ($option->validChoice($value)) {
|
|
$params[$name] = $value;
|
|
return $params;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Parse an argument, and ensure that the argument doesn't exceed the number of arguments
|
|
* and that the argument is a valid choice.
|
|
*
|
|
* @param string $argument The argument to append
|
|
* @param array $args The array of parsed args to append to.
|
|
* @return array Args
|
|
*/
|
|
protected function _parseArg($argument, $args) {
|
|
if (empty($this->_args)) {
|
|
array_push($args, $argument);
|
|
return $args;
|
|
}
|
|
$next = count($args);
|
|
if (!isset($this->_args[$next])) {
|
|
throw new ConsoleException(__('Too many arguments.'));
|
|
}
|
|
|
|
if ($this->_args[$next]->validChoice($argument)) {
|
|
array_push($args, $argument);
|
|
return $args;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Find the next token in the argv set.
|
|
*
|
|
* @param string
|
|
* @return next token or ''
|
|
*/
|
|
protected function _nextToken() {
|
|
return isset($this->_tokens[0]) ? $this->_tokens[0] : '';
|
|
}
|
|
|
|
}
|