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<?php
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namespace Redbox\Cli\Arguments;
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/**
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* The manager class is the main interface for interacting
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* with the arguments part of Redbox-cli.
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*
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* @package Redbox\Cli\Arguments
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*/
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class Manager
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{
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/**
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* An array of arguments passed to the program.
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*
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* @var array $arguments
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*/
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protected $arguments = [];
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/**
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* An array containing the parsed values.
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*
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* @var array $values ;
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*/
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protected $values = [];
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/**
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* An array that contains all the default values
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* that are passed to the manager.
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*
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* @var array
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*/
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protected $defaultvalues = [];
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/**
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* @var \Redbox\Cli\Arguments\Parser
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*/
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protected $parser;
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/**
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* @var \Redbox\Cli\Arguments\Filter
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*/
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protected $filter;
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/**
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* Manager constructor.
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*/
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public function __construct()
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{
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$this->parser = new Parser($this);
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$this->filter = new Filter;
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}
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/**
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* Prints out the usage message to the user.
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*
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* @return void
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*/
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public function usage()
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{
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$requiredArguments = $this->filter->required();
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$optionalArguments = $this->filter->optional();
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$allArguments = array_merge($requiredArguments, $optionalArguments);
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$command = $this->parser->getCommand();
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$args = array();
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$num_required = count($requiredArguments);
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$num_optional = count($optionalArguments);
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echo "Usage: ".$command." ";
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foreach ($allArguments as $argument) {
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/** @var Argument $argument */
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$args[] = '['.$argument->usageInfo().']';
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}
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$args = implode(' ', $args);
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echo $args."\n\n";
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if ($num_required) {
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echo "Required Arguments:\n";
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foreach ($requiredArguments as $argument) {
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echo $argument->usageLine();
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}
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}
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if ($num_required && $num_optional) {
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echo "\n";
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}
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if ($num_optional) {
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echo "Optional Arguments:\n";
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foreach ($optionalArguments as $argument) {
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echo $argument->usageLine();
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}
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}
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echo "\n";
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}
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/**
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* Determine if a given argument has a default value or not.
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* One thing to note is that if having no info about the argument
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* (being a key in xx is not set) we will return false as well.
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*
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* @param $argument
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*
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* @return boolean
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*/
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public function hasDefaultValue($argument)
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{
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if (isset($this->defaultvalues[$argument]) === true) {
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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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* Set if a argument has defaulted to the default argument or not.
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*
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* @param string $argument
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* @param bool $default
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*/
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public function setHasDefaultValue($argument = "", $default = false)
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{
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$this->defaultvalues[$argument] = $default;
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}
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/**
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* Get the default value for a argument.
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*
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* @param string $argument - The argument key
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*
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* @return false|mixed
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*/
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public function getDefaultValue($argument)
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{
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if ($this->hasDefaultValue($argument)) {
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return $this->get($argument);
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}
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return false;
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}
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/**
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* Check to see if a argument is used.
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*
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* @param string $argument - The name of the argument.
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*
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* @return bool
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*/
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public function has($argument)
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{
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return (isset($this->values[$argument]));
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}
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/**
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* Set a parsed argument.
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*
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* @param $argument
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* @param $value
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*/
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public function set($argument, $value)
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{
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$this->values[$argument] = $value;
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}
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/**
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* Return any set argument or false if the argument is unknown.
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*
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* @param $argument
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*
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* @return bool
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*/
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public function get($argument)
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{
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if (isset($this->values[$argument]) === false) {
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return false;
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}
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return $this->values[$argument];
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}
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/**
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* Return all given arguments.
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*
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* @return array
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*/
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public function all()
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{
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return $this->arguments;
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}
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/**
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* Add arguments to the list, this could be one or an array of arguments.
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*
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* @param $argument
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* @param array $options
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*
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* @throws \Exception
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*/
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public function add($argument, $options = [])
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{
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if (is_array($argument) === true) {
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$this->addMany($argument);
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return;
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}
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$options['name'] = $argument;
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$arg = new Argument($options);
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$this->arguments[$argument] = $arg;
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}
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/**
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* This function will be called if we can add an array of commandline arguments
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* to parse.
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*
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* @param array $arguments
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*
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* @throws \Exception
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*/
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protected function addMany(array $arguments = [])
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{
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foreach ($arguments as $name => $options) {
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$this->add($name, $options);
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}
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}
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/**
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* Go ahead and parse the arguments given.
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*
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* @throws \Exception
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*/
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public function parse()
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{
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$this->parser->setFilter($this->filter, $this->all());
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$this->parser->parse();
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}
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} |
johnnymast /
redbox-cli
