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<?php
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namespace Redbox\Cli\Arguments;
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/**
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* This class will parse the given arguments.
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*
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* @package Redbox\Cli\Arguments
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*/
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class Parser
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{
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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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* @var \Redbox\Cli\Arguments\Manager
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*/
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protected $manager;
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/**
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* Parser constructor.
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* @var array
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*/
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protected $arguments;
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/**
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* Parser constructor.
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*
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* @param Manager $manager
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*/
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public function __construct(Manager $manager = NULL)
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{
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$this->manager = $manager;
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}
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/**
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* Set the filter for the parser.
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*
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* @param Filter $filter
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* @param array $arguments
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*/
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public function setFilter(Filter $filter, array $arguments = [])
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{
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$this->filter = $filter;
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$this->arguments = $arguments;
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$this->filter->setArguments($arguments);
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}
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/**
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* Return the script name.
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*
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* @return mixed
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*/
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public function getCommand()
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{
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global $argv;
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return $argv[0];
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}
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/**
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* This is it, we parse the given arguments.
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*
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* @throws \Exception
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*/
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public function parse()
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{
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list($shortOptions, $longOptions) = $this->buildOptions();
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$results = getopt($shortOptions, $longOptions);
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foreach ($this->arguments as $argument) {
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$name = $argument->name;
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$value = '';
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if (isset($results[$argument->prefix]) || isset($results[$argument->longPrefix])) {
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$value = isset($results[$argument->prefix]) ? $results[$argument->prefix] : $results[$argument->longPrefix];
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} else {
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/**
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* If we set the default value for this argument we also add it to
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* the result array or it will fail the argument has the option required by mistake.
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*/
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if ($argument->defaultValue) {
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$value = $argument->defaultValue;
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$this->manager->setHasDefaultValue($name, true);
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$results[$argument->name] = $value;
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} else {
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if ($argument->required === true) {
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throw new \Exception(
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'The following arguments are required: '
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. print_r($argument->name, true) . '.'
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);
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}
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}
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}
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$this->manager->set($name, $value);
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}
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}
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/**
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* Build the option arrays that could be used with getopt()
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*
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* @return array
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*/
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private function buildOptions()
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{
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$short_prefixes = $this->filter->withShortPrefix();
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$long_prefixes = $this->filter->withLongPrefix();
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$short = '';
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$long = array();
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foreach ($short_prefixes as $argument) {
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$short .= $argument->prefix;
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$short .= ($argument->required == true) ? ':' : '::';
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}
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foreach ($long_prefixes as $argument) {
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$rule = $argument->longPrefix;
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if (strlen($rule) > 0) {
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$rule .= ($argument->required == true) ? ':' : '::';
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$long[] = $rule;
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}
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}
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return [$short, $long];
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}
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} |
johnnymast /
redbox-cli
