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<?php

/**
 * Part of the Joomla Framework Uri Package
 *
 * @copyright  Copyright (C) 2005 - 2022 Open Source Matters, Inc. All rights reserved.
 * @license    GNU General Public License version 2 or later; see LICENSE
 */

namespace Joomla\Uri;

/**
 * Uri Interface
 *
 * Interface for read-only access to URIs.
 *
 * @since  1.0
 */
interface UriInterface
{
    /**
     * Include the scheme (http, https, etc.)
     *
     * @var    integer
     * @since  1.2.0
     */
    public const SCHEME = 1;

    /**
     * Include the user
     *
     * @var    integer
     * @since  1.2.0
     */
    public const USER = 2;

    /**
     * Include the password
     *
     * @var    integer
     * @since  1.2.0
     */
    public const PASS = 4;

    /**
     * Include the host
     *
     * @var    integer
     * @since  1.2.0
     */
    public const HOST = 8;

    /**
     * Include the port
     *
     * @var    integer
     * @since  1.2.0
     */
    public const PORT = 16;

    /**
     * Include the path
     *
     * @var    integer
     * @since  1.2.0
     */
    public const PATH = 32;

    /**
     * Include the query string
     *
     * @var    integer
     * @since  1.2.0
     */
    public const QUERY = 64;

    /**
     * Include the fragment
     *
     * @var    integer
     * @since  1.2.0
     */
    public const FRAGMENT = 128;

    /**
     * Include all available url parts (scheme, user, pass, host, port, path, query, fragment)
     *
     * @var    integer
     * @since  1.2.0
     */
    public const ALL = 255;

    /**
     * Magic method to get the string representation of the URI object.
     *
     * @return  string
     *
     * @since   1.0
     */
    public function __toString();

    /**
     * Returns full URI string.
     *
     * @param   array  $parts  An array of strings specifying the parts to render.
     *
     * @return  string  The rendered URI string.
     *
     * @since   1.0
     */
    public function toString($parts = ['scheme', 'user', 'pass', 'host', 'port', 'path', 'query', 'fragment']);

    /**
     * Checks if variable exists.
     *
     * @param   string  $name  Name of the query variable to check.
     *
     * @return  boolean  True if the variable exists.
     *
     * @since   1.0
     */
    public function hasVar($name);

    /**
     * Returns a query variable by name.
     *
     * @param   string  $name     Name of the query variable to get.
     * @param   string  $default  Default value to return if the variable is not set.
     *
     * @return  mixed  Requested query variable if present otherwise the default value.
     *
     * @since   1.0
     */
    public function getVar($name, $default = null);

    /**
     * Returns flat query string.
     *
     * @param   boolean  $toArray  True to return the query as a key => value pair array.
     *
     * @return  array|string   Query string, optionally as an array.
     *
     * @since   1.0
     */
    public function getQuery($toArray = false);

    /**
     * Get the URI scheme (protocol)
     *
     * @return  string  The URI scheme.
     *
     * @since   1.0
     */
    public function getScheme();

    /**
     * Get the URI username
     *
     * @return  string  The username, or null if no username was specified.
     *
     * @since   1.0
     */
    public function getUser();

    /**
     * Get the URI password
     *
     * @return  string  The password, or null if no password was specified.
     *
     * @since   1.0
     */
    public function getPass();

    /**
     * Get the URI host
     *
     * @return  string  The hostname/IP or null if no hostname/IP was specified.
     *
     * @since   1.0
     */
    public function getHost();

    /**
     * Get the URI port
     *
     * @return  integer  The port number, or null if no port was specified.
     *
     * @since   1.0
     */
    public function getPort();

    /**
     * Gets the URI path string
     *
     * @return  string  The URI path string.
     *
     * @since   1.0
     */
    public function getPath();

    /**
     * Get the URI anchor string
     *
     * @return  string  The URI anchor string.
     *
     * @since   1.0
     */
    public function getFragment();

    /**
     * Checks whether the current URI is using HTTPS.
     *
     * @return  boolean  True if using SSL via HTTPS.
     *
     * @since   1.0
     */
    public function isSsl();
}