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<?php
/*
* This file is part of Composer.
*
* (c) Nils Adermann <naderman@naderman.de>
* Jordi Boggiano <j.boggiano@seld.be>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Composer\IO;
use Composer\Config;
/**
* The Input/Output helper interface.
*
* @author François Pluchino <francois.pluchino@opendisplay.com>
*/
interface IOInterface
{
const QUIET = 1;
const NORMAL = 2;
const VERBOSE = 4;
const VERY_VERBOSE = 8;
const DEBUG = 16;
/**
* Is this input means interactive?
*
* @return bool
*/
public function isInteractive();
/**
* Is this output verbose?
*
* @return bool
*/
public function isVerbose();
/**
* Is the output very verbose?
*
* @return bool
*/
public function isVeryVerbose();
/**
* Is the output in debug verbosity?
*
* @return bool
*/
public function isDebug();
/**
* Is this output decorated?
*
* @return bool
*/
public function isDecorated();
/**
* Writes a message to the output.
*
* @param string|array $messages The message as an array of lines or a single string
* @param bool $newline Whether to add a newline or not
* @param int $verbosity Verbosity level from the VERBOSITY_* constants
*/
public function write($messages, $newline = true, $verbosity = self::NORMAL);
/**
* Writes a message to the error output.
*
* @param string|array $messages The message as an array of lines or a single string
* @param bool $newline Whether to add a newline or not
* @param int $verbosity Verbosity level from the VERBOSITY_* constants
*/
public function writeError($messages, $newline = true, $verbosity = self::NORMAL);
/**
* Overwrites a previous message to the output.
*
* @param string|array $messages The message as an array of lines or a single string
* @param bool $newline Whether to add a newline or not
* @param int $size The size of line
* @param int $verbosity Verbosity level from the VERBOSITY_* constants
*/
public function overwrite($messages, $newline = true, $size = null, $verbosity = self::NORMAL);
/**
* Overwrites a previous message to the error output.
*
* @param string|array $messages The message as an array of lines or a single string
* @param bool $newline Whether to add a newline or not
* @param int $size The size of line
* @param int $verbosity Verbosity level from the VERBOSITY_* constants
*/
public function overwriteError($messages, $newline = true, $size = null, $verbosity = self::NORMAL);
/**
* Asks a question to the user.
*
* @param string $question The question to ask
* @param string $default The default answer if none is given by the user
*
* @throws \RuntimeException If there is no data to read in the input stream
* @return string The user answer
*/
public function ask($question, $default = null);
/**
* Asks a confirmation to the user.
*
* The question will be asked until the user answers by nothing, yes, or no.
*
* @param string $question The question to ask
* @param bool $default The default answer if the user enters nothing
*
* @return bool true if the user has confirmed, false otherwise
*/
public function askConfirmation($question, $default = true);
/**
* Asks for a value and validates the response.
*
* The validator receives the data to validate. It must return the
* validated data when the data is valid and throw an exception
* otherwise.
*
* @param string $question The question to ask
* @param callable $validator A PHP callback
* @param null|int $attempts Max number of times to ask before giving up (default of null means infinite)
* @param mixed $default The default answer if none is given by the user
*
* @throws \Exception When any of the validators return an error
* @return mixed
*/
public function askAndValidate($question, $validator, $attempts = null, $default = null);
/**
* Asks a question to the user and hide the answer.
*
* @param string $question The question to ask
*
* @return string The answer
*/
public function askAndHideAnswer($question);
/**
* Asks the user to select a value.
*
* @param string $question The question to ask
* @param array $choices List of choices to pick from
* @param bool|string $default The default answer if the user enters nothing
* @param bool|int $attempts Max number of times to ask before giving up (false by default, which means infinite)
* @param string $errorMessage Message which will be shown if invalid value from choice list would be picked
* @param bool $multiselect Select more than one value separated by comma
*
* @throws \InvalidArgumentException
* @return int|string|array The selected value or values (the key of the choices array)
*/
public function select($question, $choices, $default, $attempts = false, $errorMessage = 'Value "%s" is invalid', $multiselect = false);
/**
* Get all authentication information entered.
*
* @return array The map of authentication data
*/
public function getAuthentications();
/**
* Verify if the repository has a authentication information.
*
* @param string $repositoryName The unique name of repository
*
* @return bool
*/
public function hasAuthentication($repositoryName);
/**
* Get the username and password of repository.
*
* @param string $repositoryName The unique name of repository
*
* @return array The 'username' and 'password'
*/
public function getAuthentication($repositoryName);
/**
* Set the authentication information for the repository.
*
* @param string $repositoryName The unique name of repository
* @param string $username The username
* @param string $password The password
*/
public function setAuthentication($repositoryName, $username, $password = null);
/**
* Loads authentications from a config instance
*
* @param Config $config
*/
public function loadConfiguration(Config $config);
}