JFIF$        dd7 

Viewing File: /home/optimaldigitaltr/public_html/src/vendor/psy/psysh/src/Output/ProcOutputPager.php

<?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\Output;

use Symfony\Component\Console\Output\StreamOutput;

/**
 * ProcOutputPager class.
 *
 * A ProcOutputPager instance wraps a regular StreamOutput's stream. Rather
 * than writing directly to the stream, it shells out to a pager process and
 * gives that process the stream as stdout. This means regular *nix commands
 * like `less` and `more` can be used to page large amounts of output.
 */
class ProcOutputPager extends StreamOutput implements OutputPager
{
    private $proc;
    private $pipe;
    private $stream;
    private $cmd;

    /**
     * Constructor.
     *
     * @param StreamOutput $output
     * @param string       $cmd    Pager process command (default: 'less -R -F -X')
     */
    public function __construct(StreamOutput $output, string $cmd = 'less -R -F -X')
    {
        $this->stream = $output->getStream();
        $this->cmd = $cmd;
    }

    /**
     * Writes a message to the output.
     *
     * @param string $message A message to write to the output
     * @param bool   $newline Whether to add a newline or not
     *
     * @throws \RuntimeException When unable to write output (should never happen)
     */
    public function doWrite($message, $newline): void
    {
        $pipe = $this->getPipe();
        if (false === @\fwrite($pipe, $message.($newline ? \PHP_EOL : ''))) {
            // @codeCoverageIgnoreStart
            // should never happen
            $this->close();
            throw new \RuntimeException('Unable to write output');
            // @codeCoverageIgnoreEnd
        }

        \fflush($pipe);
    }

    /**
     * Close the current pager process.
     */
    public function close()
    {
        if (isset($this->pipe)) {
            \fclose($this->pipe);
        }

        if (isset($this->proc)) {
            $exit = \proc_close($this->proc);
            if ($exit !== 0) {
                throw new \RuntimeException('Error closing output stream');
            }
        }

        $this->pipe = null;
        $this->proc = null;
    }

    /**
     * Get a pipe for paging output.
     *
     * If no active pager process exists, fork one and return its input pipe.
     */
    private function getPipe()
    {
        if (!isset($this->pipe) || !isset($this->proc)) {
            $desc = [['pipe', 'r'], $this->stream, \fopen('php://stderr', 'w')];
            $this->proc = \proc_open($this->cmd, $desc, $pipes);

            if (!\is_resource($this->proc)) {
                throw new \RuntimeException('Error opening output stream');
            }

            $this->pipe = $pipes[0];
        }

        return $this->pipe;
    }
}
Back to Directory  nL+D550H?Mx ,D"v]qv;6*Zqn)ZP0!1 A "#a$2Qr D8 a Ri[f\mIykIw0cuFcRı?lO7к_f˓[C$殷WF<_W ԣsKcëIzyQy/_LKℂ;C",pFA:/]=H  ~,ls/9ć:[=/#f;)x{ٛEQ )~ =𘙲r*2~ a _V=' kumFD}KYYC)({ *g&f`툪ry`=^cJ.I](*`wq1dđ#̩͑0;H]u搂@:~וKL Nsh}OIR*8:2 !lDJVo(3=M(zȰ+i*NAr6KnSl)!JJӁ* %݉?|D}d5:eP0R;{$X'xF@.ÊB {,WJuQɲRI;9QE琯62fT.DUJ;*cP A\ILNj!J۱+O\͔]ޒS߼Jȧc%ANolՎprULZԛerE2=XDXgVQeӓk yP7U*omQIs,K`)6\G3t?pgjrmۛجwluGtfh9uyP0D;Uڽ"OXlif$)&|ML0Zrm1[HXPlPR0'G=i2N+0e2]]9VTPO׮7h(F*癈'=QVZDF,d߬~TX G[`le69CR(!S2!P <0x<!1AQ "Raq02Br#SCTb ?Ζ"]mH5WR7k.ۛ!}Q~+yԏz|@T20S~Kek *zFf^2X*(@8r?CIuI|֓>^ExLgNUY+{.RѪ τV׸YTD I62'8Y27'\TP.6d&˦@Vqi|8-OΕ]ʔ U=TL8=;6c| !qfF3aů&~$l}'NWUs$Uk^SV:U# 6w++s&r+nڐ{@29 gL u"TÙM=6(^"7r}=6YݾlCuhquympǦ GjhsǜNlɻ}o7#S6aw4!OSrD57%|?x>L |/nD6?/8w#[)L7+6〼T ATg!%5MmZ/c-{1_Je"|^$'O&ޱմTrb$w)R$& N1EtdU3Uȉ1pM"N*(DNyd96.(jQ)X 5cQɎMyW?Q*!R>6=7)Xj5`J]e8%t!+'!1Q5 !1 AQaqё#2"0BRb?Gt^## .llQT $v,,m㵜5ubV =sY+@d{N! dnO<.-B;_wJt6;QJd.Qc%p{ 1,sNDdFHI0ГoXшe黅XۢF:)[FGXƹ/w_cMeD,ʡcc.WDtA$j@:) -# u c1<@ۗ9F)KJ-hpP]_x[qBlbpʖw q"LFGdƶ*s+ډ_Zc"?%t[IP 6J]#=ɺVvvCGsGh1 >)6|ey?Lӣm,4GWUi`]uJVoVDG< SB6ϏQ@ TiUlyOU0kfV~~}SZ@*WUUi##; s/[=!7}"WN]'(L! ~y5g9T̅JkbM' +s:S +B)v@Mj e Cf jE 0Y\QnzG1д~Wo{T9?`Rmyhsy3!HAD]mc1~2LSu7xT;j$`}4->L#vzŏILS ֭T{rjGKC;bpU=-`BsK.SFw4Mq]ZdHS0)tLg