<?php

/*
 * This file is part of Psy Shell.
 *
 * (c) 2012-2023 Justin Hileman
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Psy\Readline;

use Psy\Util\Str;

/**
 * A Libedit-based Readline implementation.
 *
 * This is largely the same as the Readline implementation, but it emulates
 * support for `readline_list_history` since PHP decided it was a good idea to
 * ship a fake Readline implementation that is missing history support.
 *
 * NOTE: As of PHP 7.4, PHP sometimes has history support in the Libedit
 * wrapper, so it will use the GNUReadline implementation rather than this one.
 */
class Libedit extends GNUReadline
{
    private $hasWarnedOwnership = false;

    /**
     * Let's emulate GNU Readline by manually reading and parsing the history file!
     */
    public static function isSupported(): bool
    {
        return \function_exists('readline') && !\function_exists('readline_list_history');
    }

    /**
     * {@inheritdoc}
     */
    public static function supportsBracketedPaste(): bool
    {
        return false;
    }

    /**
     * {@inheritdoc}
     */
    public function listHistory(): array
    {
        $history = \file_get_contents($this->historyFile);
        if (!$history) {
            return [];
        }

        // libedit doesn't seem to support non-unix line separators.
        $history = \explode("\n", $history);

        // remove history signature if it exists
        if ($history[0] === '_HiStOrY_V2_') {
            \array_shift($history);
        }

        // decode the line
        $history = \array_map([$this, 'parseHistoryLine'], $history);

        // filter empty lines & comments
        return \array_values(\array_filter($history));
    }

    /**
     * {@inheritdoc}
     */
    public function writeHistory(): bool
    {
        $res = parent::writeHistory();

        // Libedit apparently refuses to save history if the history file is not
        // owned by the user, even if it is writable. Warn when this happens.
        //
        // See https://github.com/bobthecow/psysh/issues/552
        if ($res === false && !$this->hasWarnedOwnership) {
            if (\is_file($this->historyFile) && \is_writable($this->historyFile)) {
                $this->hasWarnedOwnership = true;
                $msg = \sprintf('Error writing history file, check file ownership: %s', $this->historyFile);
                \trigger_error($msg, \E_USER_NOTICE);
            }
        }

        return $res;
    }

    /**
     * From GNUReadline (readline/histfile.c & readline/histexpand.c):
     * lines starting with "\0" are comments or timestamps;
     * if "\0" is found in an entry,
     * everything from it until the next line is a comment.
     *
     * @param string $line The history line to parse
     *
     * @return string|null
     */
    protected function parseHistoryLine(string $line)
    {
        // empty line, comment or timestamp
        if (!$line || $line[0] === "\0") {
            return;
        }
        // if "\0" is found in an entry, then
        // everything from it until the end of line is a comment.
        if (($pos = \strpos($line, "\0")) !== false) {
            $line = \substr($line, 0, $pos);
        }

        return ($line !== '') ? Str::unvis($line) : null;
    }
}

• [D] Hoa
• [F] GNUReadline.php
  Delete
• [F] Libedit.php
  Delete
• [F] Readline.php
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• [F] Transient.php
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• [F] Userland.php
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                        Request Example (guzzle)
                        

                        
                            
<?php
                            
 require_once('vendor/autoload.php');
                            
 $client = new \GuzzleHttp\Client();
                            
 $response = $client->request('POST', $base_url. 'v1/generate-token', [
                            
'headers' => [
                            
  'accept' => 'application/json',
                            
  'content-type' => 'application/json',
                            
 ],
                            
'form_params' => [
                            
  'client_id'     => '$client_id',
                            
  'secret_id'     => 'secret_id',
                            
  'env'           => 'env',
                            
  'merchant_id'   => 'merchant_id',
                            
 ],
                            
                            
]);
                            
echo $response->getBody();
                        
                    
                

                    
                        
**Response: SUCCESS (200 OK)**
                        
{
                        
 "message": {
                        
 "success": [
                        
  "Successfully token is generated"
                        
 ]
                        
},
                        
"data": {
                        
 "token":"eyJpdiI6InpkczhjTjhQdVhUL2lKQ0pSUUx6aUE9P
SIsInZhbHVlIjoiVGVBTVBDTXltbjNZcEIvdEJveGpTSno3TU5NRUtn
VkhCZ1pHTFNCUnZGQ2UxMnYxN202cEE1YVRDTEFsc0ZERExoTjdtL0dTL2x
oU3QzeUJJOExiMUx5T0w1L0llUXhTUkU1cWVLWEdEbEplb0dKNXcwbTNRM0
VxdkUwYzZuNFdtNkhMQ0pRZysyNWkvdzBxSlBoSVBSOGFTekNnR2RXNHVtc
G9lMGZOTmNCcm1hR3c5Sk9KTnB4Y3ltZDl6cm90MThrR21Ca3B1azc3bXRi
Q0J6SW96UVo1elNkU1ZqeE05bTcwWGp1MEUxWlJFdnNWTmpSbnVpeW92b2U
4dXZkUGgyb1VmK0luaGdyaFlsVTZlcVpVRnZlTG1DeFF6Ykk2T2h6Z3Jzbn
IyNHpNdHowSE5JdDR0Y0pZT20zUm1XYW8iLCJtYWMiOiJlY2M4NGE1OGUzYz
kzYzk0YzljNmVmNjE0YWI0ZDIwOGI3NDQ2YWEyY2ZhNzc0NzE4ZmY1ZmYyMz

                        IyZmQzNDY1IiwidGFnIjoiIn0=",
                        
},
                        
"type": "success"
                        
}
                    
                

                    
                        
**Response: ERROR (400 FAILED)**
                        
{
                        
 "message": {
                        
 "error": [
                        
  "Invalid credentials."
                        
 ]
                        
},
                        
"data": null,
                        
"type": "error"
                        
}