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IoFactory.php
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IoFactory.php
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<?php
/**
* Copyright (C) GrizzIT, Inc. All rights reserved.
* See LICENSE for license details.
*/
namespace Ulrack\Cli\Factory;
use Ulrack\Cli\Component\Io\Reader;
use Ulrack\Cli\Component\Io\Styler;
use Ulrack\Cli\Component\Io\Writer;
use Ulrack\Cli\Component\Io\Pointer;
use Ulrack\Cli\Component\Io\ErrorReader;
use Ulrack\Cli\Common\Io\ReaderInterface;
use Ulrack\Cli\Common\Io\StylerInterface;
use Ulrack\Cli\Common\Io\WriterInterface;
use Ulrack\Cli\Component\Io\SttyTerminal;
use Ulrack\Cli\Component\Theme\VoidStyle;
use Ulrack\Cli\Common\Io\PointerInterface;
use Ulrack\Cli\Common\Io\TerminalInterface;
use Ulrack\Cli\Common\Theme\StyleInterface;
use Ulrack\Cli\Component\Io\SttyObscuredReader;
use Ulrack\Cli\Common\Factory\IoFactoryInterface;
use Ulrack\Cli\Common\Io\OptionProviderInterface;
use Ulrack\Cli\Component\Io\SttyAutocompletingReader;
class IoFactory implements IoFactoryInterface
{
/**
* Contains the error writer after it is generated.
*
* @var WriterInterface
*/
private $errorWriter;
/**
* Contains the standard writer after it is generated.
*
* @var WriterInterface
*/
private $standardWriter;
/**
* Contains the pointer after it is generated.
*
* @var PointerInterface
*/
private $pointer;
/**
* Contains the styler after it is generated.
*
* @var StylerInterface
*/
private $styler;
/**
* Contains the standard reader after it is generated.
*
* @var ReaderInterface
*/
private $standardReader;
/**
* Contains the hidden reader after it is generated.
*
* @var ReaderInterface
*/
private $hiddenReader;
/**
* Contains the error outputting reader.
*
* @var ReaderInterface
*/
private $errorReader;
/**
* Contains the terminal after it is generated.
*
* @var TerminalInterface
*/
private $terminal;
/**
* Whether output can be read.
*
* @var bool
*/
private $allowReading = true;
/**
* Creates an error writer.
*
* @return WriterInterface
*/
public function createErrorWriter(): WriterInterface
{
if ($this->errorWriter === null) {
$this->errorWriter = new Writer('php://stderr');
}
return $this->errorWriter;
}
/**
* Creates a standard writer.
*
* @return WriterInterface
*/
public function createStandardWriter(): WriterInterface
{
if ($this->standardWriter === null) {
$this->standardWriter = new Writer();
}
return $this->standardWriter;
}
/**
* Creates a pointer.
*
* @return PointerInterface
*/
public function createPointer(): PointerInterface
{
if ($this->pointer === null) {
$this->pointer = new Pointer(
$this->createStandardWriter()
);
}
return $this->pointer;
}
/**
* Creates a styler.
*
* @return StylerInterface
*/
public function createStyler(): StylerInterface
{
if ($this->styler === null) {
$this->styler = new Styler(
$this->createStandardWriter()
);
}
return $this->styler;
}
/**
* Creates a standard reader.
*
* @return ReaderInterface
*/
public function createStandardReader(): ReaderInterface
{
if ($this->allowReading === true) {
if ($this->standardReader === null) {
$this->standardReader = new Reader();
}
return $this->standardReader;
}
return $this->createErrorReader();
}
/**
* Creates a hidden reader.
*
* @return ReaderInterface
*/
public function createHiddenReader(): ReaderInterface
{
if ($this->allowReading === true) {
if ($this->hiddenReader === null) {
$this->hiddenReader = new SttyObscuredReader(
$this->createStandardReader()
);
}
return $this->hiddenReader;
}
return $this->createErrorReader();
}
/**
* Creates an error reader.
*
* @return ReaderInterface
*/
public function createErrorReader(): ReaderInterface
{
if ($this->errorReader === null) {
$this->errorReader = new ErrorReader();
}
return $this->errorReader;
}
/**
* Creates a autocompleting reader.
*
* @param OptionProviderInterface $optionProvider
* @param StyleInterface $style
*
* @return ReaderInterface
*/
public function createAutocompletingReader(
OptionProviderInterface $optionProvider,
StyleInterface $style = null
): ReaderInterface {
if ($this->allowReading === true) {
return new SttyAutocompletingReader(
$optionProvider,
$this->createStandardWriter(),
$this->createPointer(),
$style ?? new VoidStyle()
);
}
return $this->createErrorReader();
}
/**
* Creates a terminal.
*
* @return TerminalInterface
*/
public function createTerminal(): TerminalInterface
{
if ($this->terminal === null) {
$this->terminal = new SttyTerminal();
}
return $this->terminal;
}
/**
* Turns all readers into error readers.
*
* @param bool $allowReading
*
* @return void
*/
public function setAllowReading(bool $allowReading = true): void
{
$this->allowReading = $allowReading;
}
}