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Commit 9a12070

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Hugo Hamon
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[Utf8] added Bytes, CodePoints and Graphemes implementations
1 parent 8b7977a commit 9a12070

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‎src/Symfony/Component/Utf8/Bytes.php

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‎src/Symfony/Component/Utf8/CodePoints.php

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<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <[email protected]>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\Utf8;
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use Symfony\Component\Utf8\Exception\InvalidArgumentException;
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final class CodePoints implements GenericStringInterface, \Countable
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{
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use Utf8Trait;
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/**
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* {@inheritdoc}
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*/
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public function count(): int
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{
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return mb_strlen($this->string, 'UTF-8');
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}
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/**
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* {@inheritdoc}
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*/
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public function length(): int
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{
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return mb_strlen($this->string, 'UTF-8');
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}
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/**
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* {@inheritdoc}
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*/
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public function substr(int $start = 0, int $length = null): self
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{
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$result = clone $this;
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$result->string = mb_substr($this->string, $start, $length, 'UTF-8');
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return $result;
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}
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/**
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* {@inheritdoc}
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*/
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public function getIterator(int $maxChunkLength = 1): \Traversable
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{
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if (1 > $maxChunkLength) {
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throw new InvalidArgumentException('The maximum length of each segment must be greater than zero.');
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}
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if ('' === $this->string) {
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return;
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}
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if (65535 < $maxChunkLength) {
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throw new InvalidArgumentException('Maximum chunk length must not exceed 65535.');
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}
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foreach (preg_split('/(.{'.$maxChunkLength.'})/u', $this->string, -1, PREG_SPLIT_DELIM_CAPTURE | PREG_SPLIT_NO_EMPTY) as $char) {
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$clone = clone $this;
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$clone->string = $char;
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yield $clone;
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}
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}
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/**
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* {@inheritdoc}
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*/
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public function indexOf(string $needle, int $offset = 0)
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{
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if ('' === $needle) {
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return;
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}
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if (0 <= $offset || PHP_VERSION_ID >= 70100) {
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$result = mb_strpos($this->string, $needle, $offset);
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return false === $result ? null : $result;
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}
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// Workaround to support negative offsets with mb_strpos() in PHP < 7.1
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$start = $offset + mb_strlen($this->string);
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$offset = mb_strpos(mb_substr($this->string, $start), $needle);
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return false === $offset ? null : $start + $offset;
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}
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/**
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* {@inheritdoc}
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*/
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public function indexOfIgnoreCase(string $needle, int $offset = 0)
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{
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if ('' === $needle) {
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return;
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}
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if (0 <= $offset || PHP_VERSION_ID >= 70100) {
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$result = mb_stripos($this->string, $needle, $offset);
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return false === $result ? null : $result;
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}
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// Workaround to support negative offsets with mb_stripos() in PHP < 7.1
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$start = $offset + mb_strlen($this->string);
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$offset = mb_stripos(mb_substr($this->string, $start), $needle);
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return false === $offset ? null : $start + $offset;
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}
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/**
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* {@inheritdoc}
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*/
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public function lastIndexOf(string $needle, int $offset = 0)
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{
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if ('' === $needle) {
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return;
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}
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$result = mb_strrpos($this->string, $needle, $offset);
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return false === $result ? null : $result;
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}
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/**
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* {@inheritdoc}
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*/
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public function lastIndexOfIgnoreCase(string $needle, int $offset = 0)
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{
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if ('' === $needle) {
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return;
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}
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$result = mb_strripos($this->string, $needle, $offset);
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return false === $result ? null : $result;
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}
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/**
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* {@inheritdoc}
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*/
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public function substringOf(string $needle, bool $beforeNeedle = false)
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{
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if ('' === $needle) {
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return;
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}
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if (false === $part = mb_strstr($this->string, $needle, $beforeNeedle, 'UTF-8')) {
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return;
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}
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$result = clone $this;
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$result->string = $part;
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return $result;
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}
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/**
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* {@inheritdoc}
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*/
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public function substringOfIgnoreCase(string $needle, bool $beforeNeedle = false)
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{
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if ('' === $needle) {
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return;
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}
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if (false === $part = mb_stristr($this->string, $needle, $beforeNeedle, 'UTF-8')) {
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return;
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}
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$result = clone $this;
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$result->string = $part;
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return $result;
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}
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/**
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* {@inheritdoc}
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*/
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public function width(bool $ignoreAnsiDecoration = true): int
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{
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$s = $this->string;
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if (false !== strpos($s, "\r")) {
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$s = str_replace("\r\n", "\n", $s);
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$s = strtr($s, "\r", "\n");
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}
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$width = 0;
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foreach (explode("\n", $s) as $s) {
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if ($ignoreAnsiDecoration) {
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$s = preg_replace('/\x1B\[[\d;]*m/', '', $s);
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}
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$c = substr_count($s, "\xAD") - substr_count($s, "\x08");
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$s = preg_replace('/[\x00\x05\x07\p{Mn}\p{Me}\p{Cf}\x{1160}-\x{11FF}\x{200B}]+/u', '', $s);
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preg_replace('/[\x{1100}-\x{115F}\x{2329}\x{232A}\x{2E80}-\x{303E}\x{3040}-\x{A4CF}\x{AC00}-\x{D7A3}\x{F900}-\x{FAFF}\x{FE10}-\x{FE19}\x{FE30}-\x{FE6F}\x{FF00}-\x{FF60}\x{FFE0}-\x{FFE6}\x{20000}-\x{2FFFD}\x{30000}-\x{3FFFD}]/u', '', $s, -1, $wide);
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if ($width < $c = mb_strlen($s, 'UTF-8') + $wide + $c) {
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$width = $c;
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}
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}
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return $width;
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}
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/**
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* {@inheritdoc}
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*/
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public function toBytes(): Bytes
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{
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return Bytes::fromString($this->string);
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}
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/**
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* {@inheritdoc}
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*/
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public function toCodePoints(): self
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{
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return $this;
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}
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/**
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* {@inheritdoc}
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*/
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public function toGraphemes(): Graphemes
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{
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return Graphemes::fromString($this->string);
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}
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}

‎src/Symfony/Component/Utf8/Exception/ExceptionInterface.php

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<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <[email protected]>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\Utf8\Exception;
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interface ExceptionInterface
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{
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}

‎src/Symfony/Component/Utf8/Exception/InvalidArgumentException.php

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<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <[email protected]>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\Utf8\Exception;
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class InvalidArgumentException extends \InvalidArgumentException implements ExceptionInterface
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{
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}

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