Subversion-Projekte lars-tiefland.laravel_shop

<?php

/*

 * This file is part of the Symfony package.

 *

 * (c) Fabien Potencier <fabien@symfony.com>

 *

 * For the full copyright and license information, please view the LICENSE

 * file that was distributed with this source code.

 */

namespace Symfony\Component\String;

use Symfony\Component\String\Exception\ExceptionInterface;

use Symfony\Component\String\Exception\InvalidArgumentException;

use Symfony\Component\String\Exception\RuntimeException;

/**

 * Represents a string of abstract characters.

 *

 * Unicode defines 3 types of "characters" (bytes, code points and grapheme clusters).

 * This class is the abstract type to use as a type-hint when the logic you want to

 * implement doesn't care about the exact variant it deals with.

 *

 * @author Nicolas Grekas <p@tchwork.com>

 * @author Hugo Hamon <hugohamon@neuf.fr>

 *

 * @throws ExceptionInterface

 */

abstract class AbstractString implements \Stringable, \JsonSerializable

{

    public const PREG_PATTERN_ORDER = \PREG_PATTERN_ORDER;

    public const PREG_SET_ORDER = \PREG_SET_ORDER;

    public const PREG_OFFSET_CAPTURE = \PREG_OFFSET_CAPTURE;

    public const PREG_UNMATCHED_AS_NULL = \PREG_UNMATCHED_AS_NULL;

    public const PREG_SPLIT = 0;

    public const PREG_SPLIT_NO_EMPTY = \PREG_SPLIT_NO_EMPTY;

    public const PREG_SPLIT_DELIM_CAPTURE = \PREG_SPLIT_DELIM_CAPTURE;

    public const PREG_SPLIT_OFFSET_CAPTURE = \PREG_SPLIT_OFFSET_CAPTURE;

    protected $string = '';

    protected $ignoreCase = false;

    abstract public function __construct(string $string = '');

    /**

     * Unwraps instances of AbstractString back to strings.

     *

     * @return string[]|array

     */

    public static function unwrap(array $values): array

    {

        foreach ($values as $k => $v) {

            if ($v instanceof self) {

                $values[$k] = $v->__toString();

            } elseif (\is_array($v) && $values[$k] !== $v = static::unwrap($v)) {

                $values[$k] = $v;

            }

        }

        return $values;

    }

    /**

     * Wraps (and normalizes) strings in instances of AbstractString.

     *

     * @return static[]|array

     */

    public static function wrap(array $values): array

    {

        $i = 0;

        $keys = null;

        foreach ($values as $k => $v) {

            if (\is_string($k) && '' !== $k && $k !== $j = (string) new static($k)) {

                $keys ??= array_keys($values);

                $keys[$i] = $j;

            }

            if (\is_string($v)) {

                $values[$k] = new static($v);

            } elseif (\is_array($v) && $values[$k] !== $v = static::wrap($v)) {

                $values[$k] = $v;

            }

            ++$i;

        }

        return null !== $keys ? array_combine($keys, $values) : $values;

    }

    /**

     * @param string|string[] $needle

     */

    public function after(string|iterable $needle, bool $includeNeedle = false, int $offset = 0): static

    {

        $str = clone $this;

        $i = \PHP_INT_MAX;

        if (\is_string($needle)) {

            $needle = [$needle];

        }

        foreach ($needle as $n) {

            $n = (string) $n;

            $j = $this->indexOf($n, $offset);

            if (null !== $j && $j < $i) {

                $i = $j;

                $str->string = $n;

            }

        }

        if (\PHP_INT_MAX === $i) {

            return $str;

        }

        if (!$includeNeedle) {

            $i += $str->length();

        }

        return $this->slice($i);

    }

    /**

     * @param string|string[] $needle

     */

    public function afterLast(string|iterable $needle, bool $includeNeedle = false, int $offset = 0): static

    {

        $str = clone $this;

        $i = null;

        if (\is_string($needle)) {

            $needle = [$needle];

        }

        foreach ($needle as $n) {

            $n = (string) $n;

            $j = $this->indexOfLast($n, $offset);

            if (null !== $j && $j >= $i) {

                $i = $offset = $j;

                $str->string = $n;

            }

        }

        if (null === $i) {

            return $str;

        }

        if (!$includeNeedle) {

            $i += $str->length();

        }

        return $this->slice($i);

    }

    abstract public function append(string ...$suffix): static;

    /**

     * @param string|string[] $needle

     */

    public function before(string|iterable $needle, bool $includeNeedle = false, int $offset = 0): static

    {

        $str = clone $this;

        $i = \PHP_INT_MAX;

        if (\is_string($needle)) {

            $needle = [$needle];

        }

        foreach ($needle as $n) {

            $n = (string) $n;

            $j = $this->indexOf($n, $offset);

            if (null !== $j && $j < $i) {

                $i = $j;

                $str->string = $n;

            }

        }

        if (\PHP_INT_MAX === $i) {

            return $str;

        }

        if ($includeNeedle) {

            $i += $str->length();

        }

        return $this->slice(0, $i);

    }

    /**

     * @param string|string[] $needle

     */

    public function beforeLast(string|iterable $needle, bool $includeNeedle = false, int $offset = 0): static

    {

        $str = clone $this;

        $i = null;

        if (\is_string($needle)) {

            $needle = [$needle];

        }

        foreach ($needle as $n) {

            $n = (string) $n;

            $j = $this->indexOfLast($n, $offset);

            if (null !== $j && $j >= $i) {

                $i = $offset = $j;

                $str->string = $n;

            }

        }

        if (null === $i) {

            return $str;

        }

        if ($includeNeedle) {

            $i += $str->length();

        }

        return $this->slice(0, $i);

    }

    /**

     * @return int[]

     */

    public function bytesAt(int $offset): array

    {

        $str = $this->slice($offset, 1);

        return '' === $str->string ? [] : array_values(unpack('C*', $str->string));

    }

    abstract public function camel(): static;

    /**

     * @return static[]

     */

    abstract public function chunk(int $length = 1): array;

    public function collapseWhitespace(): static

    {

        $str = clone $this;

        $str->string = trim(preg_replace("/(?:[ \n\r\t\x0C]{2,}+|[\n\r\t\x0C])/", ' ', $str->string), " \n\r\t\x0C");

        return $str;

    }

    /**

     * @param string|string[] $needle

     */

    public function containsAny(string|iterable $needle): bool

    {

        return null !== $this->indexOf($needle);

    }

    /**

     * @param string|string[] $suffix

     */

    public function endsWith(string|iterable $suffix): bool

    {

        if (\is_string($suffix)) {

            throw new \TypeError(sprintf('Method "%s()" must be overridden by class "%s" to deal with non-iterable values.', __FUNCTION__, static::class));

        }

        foreach ($suffix as $s) {

            if ($this->endsWith((string) $s)) {

                return true;

            }

        }

        return false;

    }

    public function ensureEnd(string $suffix): static

    {

        if (!$this->endsWith($suffix)) {

            return $this->append($suffix);

        }

        $suffix = preg_quote($suffix);

        $regex = '{('.$suffix.')(?:'.$suffix.')++$}D';

        return $this->replaceMatches($regex.($this->ignoreCase ? 'i' : ''), '$1');

    }

    public function ensureStart(string $prefix): static

    {

        $prefix = new static($prefix);

        if (!$this->startsWith($prefix)) {

            return $this->prepend($prefix);

        }

        $str = clone $this;

        $i = $prefixLen = $prefix->length();

        while ($this->indexOf($prefix, $i) === $i) {

            $str = $str->slice($prefixLen);

            $i += $prefixLen;

        }

        return $str;

    }

    /**

     * @param string|string[] $string

     */

    public function equalsTo(string|iterable $string): bool

    {

        if (\is_string($string)) {

            throw new \TypeError(sprintf('Method "%s()" must be overridden by class "%s" to deal with non-iterable values.', __FUNCTION__, static::class));

        }

        foreach ($string as $s) {

            if ($this->equalsTo((string) $s)) {

                return true;

            }

        }

        return false;

    }

    abstract public function folded(): static;

    public function ignoreCase(): static

    {

        $str = clone $this;

        $str->ignoreCase = true;

        return $str;

    }

    /**

     * @param string|string[] $needle

     */

    public function indexOf(string|iterable $needle, int $offset = 0): ?int

    {

        if (\is_string($needle)) {

            throw new \TypeError(sprintf('Method "%s()" must be overridden by class "%s" to deal with non-iterable values.', __FUNCTION__, static::class));

        }

        $i = \PHP_INT_MAX;

        foreach ($needle as $n) {

            $j = $this->indexOf((string) $n, $offset);

            if (null !== $j && $j < $i) {

                $i = $j;

            }

        }

        return \PHP_INT_MAX === $i ? null : $i;

    }

    /**

     * @param string|string[] $needle

     */

    public function indexOfLast(string|iterable $needle, int $offset = 0): ?int

    {

        if (\is_string($needle)) {

            throw new \TypeError(sprintf('Method "%s()" must be overridden by class "%s" to deal with non-iterable values.', __FUNCTION__, static::class));

        }

        $i = null;

        foreach ($needle as $n) {

            $j = $this->indexOfLast((string) $n, $offset);

            if (null !== $j && $j >= $i) {

                $i = $offset = $j;

            }

        }

        return $i;

    }

    public function isEmpty(): bool

    {

        return '' === $this->string;

    }

    abstract public function join(array $strings, string $lastGlue = null): static;

    public function jsonSerialize(): string

    {

        return $this->string;

    }

    abstract public function length(): int;

    abstract public function lower(): static;

    /**

     * Matches the string using a regular expression.

     *

     * Pass PREG_PATTERN_ORDER or PREG_SET_ORDER as $flags to get all occurrences matching the regular expression.

     *

     * @return array All matches in a multi-dimensional array ordered according to flags

     */

    abstract public function match(string $regexp, int $flags = 0, int $offset = 0): array;

    abstract public function padBoth(int $length, string $padStr = ' '): static;

    abstract public function padEnd(int $length, string $padStr = ' '): static;

    abstract public function padStart(int $length, string $padStr = ' '): static;

    abstract public function prepend(string ...$prefix): static;

    public function repeat(int $multiplier): static

    {

        if (0 > $multiplier) {

            throw new InvalidArgumentException(sprintf('Multiplier must be positive, %d given.', $multiplier));

        }

        $str = clone $this;

        $str->string = str_repeat($str->string, $multiplier);

        return $str;

    }

    abstract public function replace(string $from, string $to): static;

    abstract public function replaceMatches(string $fromRegexp, string|callable $to): static;

    abstract public function reverse(): static;

    abstract public function slice(int $start = 0, int $length = null): static;

    abstract public function snake(): static;

    abstract public function splice(string $replacement, int $start = 0, int $length = null): static;

    /**

     * @return static[]

     */

    public function split(string $delimiter, int $limit = null, int $flags = null): array

    {

        if (null === $flags) {

            throw new \TypeError('Split behavior when $flags is null must be implemented by child classes.');

        }

        if ($this->ignoreCase) {

            $delimiter .= 'i';

        }

        set_error_handler(static function ($t, $m) { throw new InvalidArgumentException($m); });

        try {

            if (false === $chunks = preg_split($delimiter, $this->string, $limit, $flags)) {

                throw new RuntimeException('Splitting failed with error: '.preg_last_error_msg());

            }

        } finally {

            restore_error_handler();

        }

        $str = clone $this;

        if (self::PREG_SPLIT_OFFSET_CAPTURE & $flags) {

            foreach ($chunks as &$chunk) {

                $str->string = $chunk[0];

                $chunk[0] = clone $str;

            }

        } else {

            foreach ($chunks as &$chunk) {

                $str->string = $chunk;

                $chunk = clone $str;

            }

        }

        return $chunks;

    }

    /**

     * @param string|string[] $prefix

     */

    public function startsWith(string|iterable $prefix): bool

    {

        if (\is_string($prefix)) {

            throw new \TypeError(sprintf('Method "%s()" must be overridden by class "%s" to deal with non-iterable values.', __FUNCTION__, static::class));

        }

        foreach ($prefix as $prefix) {

            if ($this->startsWith((string) $prefix)) {

                return true;

            }

        }

        return false;

    }

    abstract public function title(bool $allWords = false): static;

    public function toByteString(string $toEncoding = null): ByteString

    {

        $b = new ByteString();

        $toEncoding = \in_array($toEncoding, ['utf8', 'utf-8', 'UTF8'], true) ? 'UTF-8' : $toEncoding;

        if (null === $toEncoding || $toEncoding === $fromEncoding = $this instanceof AbstractUnicodeString || preg_match('//u', $b->string) ? 'UTF-8' : 'Windows-1252') {

            $b->string = $this->string;

            return $b;

        }

        set_error_handler(static function ($t, $m) { throw new InvalidArgumentException($m); });

        try {

            try {

                $b->string = mb_convert_encoding($this->string, $toEncoding, 'UTF-8');

            } catch (InvalidArgumentException $e) {

                if (!\function_exists('iconv')) {

                    throw $e;

                }

                $b->string = iconv('UTF-8', $toEncoding, $this->string);

            }

        } finally {

            restore_error_handler();

        }

        return $b;

    }

    public function toCodePointString(): CodePointString

    {

        return new CodePointString($this->string);

    }

    public function toString(): string

    {

        return $this->string;

    }

    public function toUnicodeString(): UnicodeString

    {

        return new UnicodeString($this->string);

    }

    abstract public function trim(string $chars = " \t\n\r\0\x0B\x0C\u{A0}\u{FEFF}"): static;

    abstract public function trimEnd(string $chars = " \t\n\r\0\x0B\x0C\u{A0}\u{FEFF}"): static;

    /**

     * @param string|string[] $prefix

     */

    public function trimPrefix($prefix): static

    {

        if (\is_array($prefix) || $prefix instanceof \Traversable) { // don't use is_iterable(), it's slow

            foreach ($prefix as $s) {

                $t = $this->trimPrefix($s);

                if ($t->string !== $this->string) {

                    return $t;

                }

            }

            return clone $this;

        }

        $str = clone $this;

        if ($prefix instanceof self) {

            $prefix = $prefix->string;

        } else {

            $prefix = (string) $prefix;

        }

        if ('' !== $prefix && \strlen($this->string) >= \strlen($prefix) && 0 === substr_compare($this->string, $prefix, 0, \strlen($prefix), $this->ignoreCase)) {

            $str->string = substr($this->string, \strlen($prefix));

        }

        return $str;

    }

    abstract public function trimStart(string $chars = " \t\n\r\0\x0B\x0C\u{A0}\u{FEFF}"): static;

    /**

     * @param string|string[] $suffix

     */

    public function trimSuffix($suffix): static

    {

        if (\is_array($suffix) || $suffix instanceof \Traversable) { // don't use is_iterable(), it's slow

            foreach ($suffix as $s) {

                $t = $this->trimSuffix($s);

                if ($t->string !== $this->string) {

                    return $t;

                }

            }

            return clone $this;

        }

        $str = clone $this;

        if ($suffix instanceof self) {

            $suffix = $suffix->string;

        } else {

            $suffix = (string) $suffix;

        }

        if ('' !== $suffix && \strlen($this->string) >= \strlen($suffix) && 0 === substr_compare($this->string, $suffix, -\strlen($suffix), null, $this->ignoreCase)) {

            $str->string = substr($this->string, 0, -\strlen($suffix));

        }

        return $str;

    }

    public function truncate(int $length, string $ellipsis = '', bool $cut = true): static

    {

        $stringLength = $this->length();

        if ($stringLength <= $length) {

            return clone $this;

        }

        $ellipsisLength = '' !== $ellipsis ? (new static($ellipsis))->length() : 0;

        if ($length < $ellipsisLength) {

            $ellipsisLength = 0;

        }

        if (!$cut) {

            if (null === $length = $this->indexOf([' ', "\r", "\n", "\t"], ($length ?: 1) - 1)) {

                return clone $this;

            }

            $length += $ellipsisLength;

        }

        $str = $this->slice(0, $length - $ellipsisLength);

        return $ellipsisLength ? $str->trimEnd()->append($ellipsis) : $str;

    }

    abstract public function upper(): static;

    /**

     * Returns the printable length on a terminal.

     */

    abstract public function width(bool $ignoreAnsiDecoration = true): int;

    public function wordwrap(int $width = 75, string $break = "\n", bool $cut = false): static

    {

        $lines = '' !== $break ? $this->split($break) : [clone $this];

        $chars = [];

        $mask = '';

        if (1 === \count($lines) && '' === $lines[0]->string) {

            return $lines[0];

        }

        foreach ($lines as $i => $line) {

            if ($i) {

                $chars[] = $break;

                $mask .= '#';

            }

            foreach ($line->chunk() as $char) {

                $chars[] = $char->string;

                $mask .= ' ' === $char->string ? ' ' : '?';

            }

        }

        $string = '';

        $j = 0;

        $b = $i = -1;

        $mask = wordwrap($mask, $width, '#', $cut);

        while (false !== $b = strpos($mask, '#', $b + 1)) {

            for (++$i; $i < $b; ++$i) {

                $string .= $chars[$j];

                unset($chars[$j++]);

            }

            if ($break === $chars[$j] || ' ' === $chars[$j]) {

                unset($chars[$j++]);

            }

            $string .= $break;

        }

        $str = clone $this;

        $str->string = $string.implode('', $chars);

        return $str;

    }

    public function __sleep(): array

    {

        return ['string'];

    }

    public function __clone()

    {

        $this->ignoreCase = false;

    }

    public function __toString(): string

    {

        return $this->string;

    }

}