Completed
Push — master ( 5735e1...ecb9c5 )
by Sebastian
02:27
created

Executable::silence()   A

Complexity

Conditions 2
Paths 2

Size

Total Lines 5
Code Lines 3

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 3
CRAP Score 2

Importance

Changes 0
Metric Value
dl 0
loc 5
ccs 3
cts 3
cp 1
rs 9.4285
c 0
b 0
f 0
cc 2
eloc 3
nc 2
nop 1
crap 2
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<?php
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/**
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 * This file is part of SebastianFeldmann\Cli.
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 *
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 * (c) Sebastian Feldmann <[email protected]>
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 *
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 * For the full copyright and license information, please view the LICENSE
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 * file that was distributed with this source code.
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 */
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namespace SebastianFeldmann\Cli\Command;
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use SebastianFeldmann\Cli\Command;
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/**
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 * Class Cmd
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 *
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 * @package SebastianFeldmann\Cli
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 */
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class Executable implements Command
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{
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    /**
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     * Command name
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     *
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     * @var string
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     */
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    private $cmd;
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    /**
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     * Display stdErr
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     *
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     * @var boolean
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     */
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    private $isSilent = false;
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    /**
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     * Command options
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     *
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     * @var string[]
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     */
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    private $options = [];
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    /**
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     * Command arguments
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     *
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     * @var string[]
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     */
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    private $arguments;
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    /**
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     * Constructor.
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     *
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     * @param string $cmd
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     */
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    public function __construct($cmd)
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    {
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        $this->cmd = $cmd;
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    }
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    /**
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     * Returns the string to execute on the command line.
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     *
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     * @return string
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     */
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    public function getCommand() : string
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    {
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        return $this->cmd
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        . (count($this->options)   ? ' ' . implode(' ', $this->options)   : '')
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        . (count($this->arguments) ? ' ' . implode(' ', $this->arguments) : '')
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        . ($this->isSilent         ? ' 2> /dev/null'                      : '');
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    }
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    /**
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     * Silence the 'Cmd' by redirecting its stdErr output to /dev/null.
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     * The silence feature is disabled for Windows systems.
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     *
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     * @param  bool $bool
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     * @return \SebastianFeldmann\Cli\Command\Executable
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     */
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    public function silence($bool = true) : Executable
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    {
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        $this->isSilent = $bool && !defined('PHP_WINDOWS_VERSION_BUILD');
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        return $this;
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    }
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    /**
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     * Add option to list.
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     *
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     * @param  string               $option
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     * @param  mixed <string|array> $value
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     * @param  string               $glue
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     * @return \SebastianFeldmann\Cli\Command\Executable
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     */
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    public function addOption(string $option, $value = null, string $glue = '=') : Executable
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    {
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        if ($value !== null) {
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            // force space for multiple arguments e.g. --option 'foo' 'bar'
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            if (is_array($value)) {
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                $glue = ' ';
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            }
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            $value = $glue . $this->escapeArgument($value);
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        } else {
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            $value = '';
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        }
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        $this->options[] = $option . $value;
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        return $this;
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    }
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    /**
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     * Adds an option to a command if it is not empty.
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     *
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     * @param  string $option
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     * @param  mixed  $check
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     * @param  bool   $asValue
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     * @param  string $glue
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     * @return \SebastianFeldmann\Cli\Command\Executable
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     */
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    public function addOptionIfNotEmpty(string $option, $check, bool $asValue = true, string $glue = '=') : Executable
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    {
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        if (!empty($check)) {
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            if ($asValue) {
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                $this->addOption($option, $check, $glue);
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            } else {
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                $this->addOption($option);
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            }
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        }
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        return $this;
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    }
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    /**
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     * Add argument to list.
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     *
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     * @param  mixed <string|array> $argument
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     * @return \SebastianFeldmann\Cli\Command\Executable
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     */
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    public function addArgument($argument) : Executable
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    {
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        $this->arguments[] = $this->escapeArgument($argument);
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        return $this;
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    }
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    /**
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     * Escape a shell argument.
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     *
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     * @param  mixed <string|array> $argument
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     * @return string
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     */
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    protected function escapeArgument($argument) : string
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    {
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        if (is_array($argument)) {
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            $argument = array_map('escapeshellarg', $argument);
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            $escaped  = implode(' ', $argument);
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        } else {
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            $escaped = escapeshellarg($argument);
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        }
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        return $escaped;
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    }
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    /**
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     * Returns the command to execute.
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     *
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     * @return string
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     */
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    public function __toString() : string
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    {
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        return $this->getCommand();
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    }
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}
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