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✏️ Editing: AbstractStringWrapper.php

<?php

declare (strict_types=1);
namespace PleskMonitoring\Laminas\Stdlib\StringWrapper;

use PleskMonitoring\Laminas\Stdlib\Exception;
use PleskMonitoring\Laminas\Stdlib\StringUtils;
use function floor;
use function in_array;
use function sprintf;
use function str_pad;
use function str_repeat;
use function strtoupper;
use function wordwrap;
use const STR_PAD_BOTH;
use const STR_PAD_LEFT;
use const STR_PAD_RIGHT;
abstract class AbstractStringWrapper implements StringWrapperInterface
{
    /**
     * The character encoding working on
     *
     * @var string|null
     */
    protected $encoding = 'UTF-8';
    /**
     * An optionally character encoding to convert to
     *
     * @var string|null
     */
    protected $convertEncoding;
    /**
     * Check if the given character encoding is supported by this wrapper
     * and the character encoding to convert to is also supported.
     *
     * @param  string      $encoding
     * @param  string|null $convertEncoding
     * @return bool
     */
    public static function isSupported($encoding, $convertEncoding = null)
    {
        $supportedEncodings = static::getSupportedEncodings();
        if (!in_array(strtoupper($encoding), $supportedEncodings)) {
            return \false;
        }
        if ($convertEncoding !== null && !in_array(strtoupper($convertEncoding), $supportedEncodings)) {
            return \false;
        }
        return \true;
    }
    /**
     * Set character encoding working with and convert to
     *
     * @param string      $encoding         The character encoding to work with
     * @param string|null $convertEncoding  The character encoding to convert to
     * @return StringWrapperInterface
     */
    public function setEncoding($encoding, $convertEncoding = null)
    {
        $supportedEncodings = static::getSupportedEncodings();
        $encodingUpper = strtoupper($encoding);
        if (!in_array($encodingUpper, $supportedEncodings)) {
            throw new Exception\InvalidArgumentException('Wrapper doesn\'t support character encoding "' . $encoding . '"');
        }
        if ($convertEncoding !== null) {
            $convertEncodingUpper = strtoupper($convertEncoding);
            if (!in_array($convertEncodingUpper, $supportedEncodings)) {
                throw new Exception\InvalidArgumentException('Wrapper doesn\'t support character encoding "' . $convertEncoding . '"');
            }
            $this->convertEncoding = $convertEncodingUpper;
        } else {
            $this->convertEncoding = null;
        }
        $this->encoding = $encodingUpper;
        return $this;
    }
    /**
     * Get the defined character encoding to work with
     *
     * @return null|string
     * @throws Exception\LogicException If no encoding was defined.
     */
    public function getEncoding()
    {
        return $this->encoding;
    }
    /**
     * Get the defined character encoding to convert to
     *
     * @return string|null
     */
    public function getConvertEncoding()
    {
        return $this->convertEncoding;
    }
    /**
     * Convert a string from defined character encoding to the defined convert encoding
     *
     * @param string  $str
     * @param bool $reverse
     * @return string|false
     */
    public function convert($str, $reverse = \false)
    {
        $encoding = $this->getEncoding();
        $convertEncoding = $this->getConvertEncoding();
        if ($convertEncoding === null) {
            throw new Exception\LogicException('No convert encoding defined');
        }
        if ($encoding === $convertEncoding) {
            return $str;
        }
        $from = $reverse ? $convertEncoding : $encoding;
        $to = $reverse ? $encoding : $convertEncoding;
        throw new Exception\RuntimeException(sprintf('Converting from "%s" to "%s" isn\'t supported by this string wrapper', $from ?? '', $to ?? ''));
    }
    /**
     * Wraps a string to a given number of characters
     *
     * @param  string  $string
     * @param  int $width
     * @param  string  $break
     * @param  bool $cut
     * @return string|false
     */
    public function wordWrap($string, $width = 75, $break = "\n", $cut = \false)
    {
        $string = (string) $string;
        if ($string === '') {
            return '';
        }
        $break = (string) $break;
        if ($break === '') {
            throw new Exception\InvalidArgumentException('Break string cannot be empty');
        }
        $width = (int) $width;
        if ($width === 0 && $cut) {
            throw new Exception\InvalidArgumentException('Cannot force cut when width is zero');
        }
        if (null === $this->getEncoding() || StringUtils::isSingleByteEncoding($this->getEncoding())) {
            return wordwrap($string, $width, $break, $cut);
        }
        $stringWidth = $this->strlen($string);
        $breakWidth = $this->strlen($break);
        $result = '';
        $lastStart = $lastSpace = 0;
        for ($current = 0; $current < $stringWidth; $current++) {
            $char = $this->substr($string, $current, 1);
            $possibleBreak = $char;
            if ($breakWidth !== 1) {
                $possibleBreak = $this->substr($string, $current, $breakWidth);
            }
            if ($possibleBreak === $break) {
                $result .= $this->substr($string, $lastStart, $current - $lastStart + $breakWidth);
                $current += $breakWidth - 1;
                $lastStart = $lastSpace = $current + 1;
                continue;
            }
            if ($char === ' ') {
                if ($current - $lastStart >= $width) {
                    $result .= $this->substr($string, $lastStart, $current - $lastStart) . $break;
                    $lastStart = $current + 1;
                }
                $lastSpace = $current;
                continue;
            }
            if ($current - $lastStart >= $width && $cut && $lastStart >= $lastSpace) {
                $result .= $this->substr($string, $lastStart, $current - $lastStart) . $break;
                $lastStart = $lastSpace = $current;
                continue;
            }
            if ($current - $lastStart >= $width && $lastStart < $lastSpace) {
                $result .= $this->substr($string, $lastStart, $lastSpace - $lastStart) . $break;
                $lastStart = $lastSpace += 1;
                continue;
            }
        }
        if ($lastStart !== $current) {
            $result .= $this->substr($string, $lastStart, $current - $lastStart);
        }
        return $result;
    }
    /**
     * Pad a string to a certain length with another string
     *
     * @param  string  $input
     * @param  int $padLength
     * @param  string  $padString
     * @param  int $padType
     * @return string
     */
    public function strPad($input, $padLength, $padString = ' ', $padType = STR_PAD_RIGHT)
    {
        if (null === $this->getEncoding() || StringUtils::isSingleByteEncoding($this->getEncoding())) {
            return str_pad($input, $padLength, $padString, $padType);
        }
        $lengthOfPadding = $padLength - $this->strlen($input);
        if ($lengthOfPadding <= 0) {
            return $input;
        }
        $padStringLength = $this->strlen($padString);
        if ($padStringLength === 0) {
            return $input;
        }
        $repeatCount = (int) floor($lengthOfPadding / $padStringLength);
        if ($padType === STR_PAD_BOTH) {
            $repeatCountLeft = $repeatCountRight = ($repeatCount - $repeatCount % 2) / 2;
            $lastStringLength = $lengthOfPadding - 2 * $repeatCountLeft * $padStringLength;
            $lastStringLeftLength = $lastStringRightLength = (int) floor($lastStringLength / 2);
            $lastStringRightLength += $lastStringLength % 2;
            $lastStringLeft = $this->substr($padString, 0, $lastStringLeftLength);
            $lastStringRight = $this->substr($padString, 0, $lastStringRightLength);
            return str_repeat($padString, $repeatCountLeft) . $lastStringLeft . $input . str_repeat($padString, $repeatCountRight) . $lastStringRight;
        }
        $lastString = $this->substr($padString, 0, $lengthOfPadding % $padStringLength);
        if ($padType === STR_PAD_LEFT) {
            return str_repeat($padString, $repeatCount) . $lastString . $input;
        }
        return $input . str_repeat($padString, $repeatCount) . $lastString;
    }
}

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