think\console\output\Ask::autocomplete PHP Метод

autocomplete() приватный Метод

private autocomplete ( $inputStream )
    private function autocomplete($inputStream)
    {
        $autocomplete = $this->question->getAutocompleterValues();
        $ret = '';
        $i = 0;
        $ofs = -1;
        $matches = $autocomplete;
        $numMatches = count($matches);
        $sttyMode = shell_exec('stty -g');
        shell_exec('stty -icanon -echo');
        while (!feof($inputStream)) {
            $c = fread($inputStream, 1);
            if ("" === $c) {
                if (0 === $numMatches && 0 !== $i) {
                    --$i;
                    $this->output->write("");
                }
                if ($i === 0) {
                    $ofs = -1;
                    $matches = $autocomplete;
                    $numMatches = count($matches);
                } else {
                    $numMatches = 0;
                }
                $ret = substr($ret, 0, $i);
            } elseif ("" === $c) {
                $c .= fread($inputStream, 2);
                if (isset($c[2]) && ('A' === $c[2] || 'B' === $c[2])) {
                    if ('A' === $c[2] && -1 === $ofs) {
                        $ofs = 0;
                    }
                    if (0 === $numMatches) {
                        continue;
                    }
                    $ofs += 'A' === $c[2] ? -1 : 1;
                    $ofs = ($numMatches + $ofs) % $numMatches;
                }
            } elseif (ord($c) < 32) {
                if ("\t" === $c || "\n" === $c) {
                    if ($numMatches > 0 && -1 !== $ofs) {
                        $ret = $matches[$ofs];
                        $this->output->write(substr($ret, $i));
                        $i = strlen($ret);
                    }
                    if ("\n" === $c) {
                        $this->output->write($c);
                        break;
                    }
                    $numMatches = 0;
                }
                continue;
            } else {
                $this->output->write($c);
                $ret .= $c;
                ++$i;
                $numMatches = 0;
                $ofs = 0;
                foreach ($autocomplete as $value) {
                    if (0 === strpos($value, $ret) && $i !== strlen($value)) {
                        $matches[$numMatches++] = $value;
                    }
                }
            }
            $this->output->write("");
            if ($numMatches > 0 && -1 !== $ofs) {
                $this->output->write("7");
                $this->output->highlight(substr($matches[$ofs], $i));
                $this->output->write("8");
            }
        }
        shell_exec(sprintf('stty %s', $sttyMode));
        return $ret;
    }