mirror of https://github.com/rectorphp/rector.git
169 lines
4.4 KiB
PHP
169 lines
4.4 KiB
PHP
<?php
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declare (strict_types=1);
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namespace Rector\BetterPhpDocParser\ValueObject\Parser;
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use PHPStan\PhpDocParser\Parser\TokenIterator;
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use Rector\Core\Exception\ShouldNotHappenException;
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use RectorPrefix20210808\Symplify\PackageBuilder\Reflection\PrivatesAccessor;
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final class BetterTokenIterator extends \PHPStan\PhpDocParser\Parser\TokenIterator
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{
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/**
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* @var string
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*/
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private const TOKENS = 'tokens';
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/**
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* @var string
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*/
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private const INDEX = 'index';
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/**
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* @var \Symplify\PackageBuilder\Reflection\PrivatesAccessor
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*/
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private $privatesAccessor;
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/**
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* @param array<int, mixed> $tokens
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*/
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public function __construct(array $tokens, int $index = 0)
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{
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$this->privatesAccessor = new \RectorPrefix20210808\Symplify\PackageBuilder\Reflection\PrivatesAccessor();
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if ($tokens === []) {
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$this->privatesAccessor->setPrivateProperty($this, self::TOKENS, []);
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$this->privatesAccessor->setPrivateProperty($this, self::INDEX, 0);
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} else {
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parent::__construct($tokens, $index);
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}
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}
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/**
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* @param int[] $types
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*/
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public function isNextTokenTypes($types) : bool
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{
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foreach ($types as $type) {
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if ($this->isNextTokenType($type)) {
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return \true;
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}
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}
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return \false;
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}
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/**
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* @param int[] $tokenTypes
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*/
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public function isCurrentTokenTypes($tokenTypes) : bool
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{
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foreach ($tokenTypes as $tokenType) {
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if ($this->isCurrentTokenType($tokenType)) {
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return \true;
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}
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}
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return \false;
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}
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/**
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* @param int $tokenType
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* @param int $position
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*/
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public function isTokenTypeOnPosition($tokenType, $position) : bool
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{
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$tokens = $this->getTokens();
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$token = $tokens[$position] ?? null;
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if ($token === null) {
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return \false;
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}
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return $token[1] === $tokenType;
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}
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/**
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* @param int $tokenType
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*/
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public function isNextTokenType($tokenType) : bool
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{
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if ($this->nextTokenType() === null) {
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return \false;
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}
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return $this->nextTokenType() === $tokenType;
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}
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/**
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* @param int $from
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* @param int $to
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*/
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public function printFromTo($from, $to) : string
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{
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if ($to < $from) {
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throw new \Rector\Core\Exception\ShouldNotHappenException('Arguments are flipped');
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}
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$tokens = $this->getTokens();
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$content = '';
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foreach ($tokens as $key => $token) {
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if ($key < $from) {
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continue;
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}
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if ($key >= $to) {
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continue;
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}
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$content .= $token[0];
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}
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return $content;
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}
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public function print() : string
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{
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$content = '';
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foreach ($this->getTokens() as $token) {
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$content .= $token[0];
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}
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return $content;
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}
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public function nextTokenType() : ?int
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{
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$tokens = $this->getTokens();
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// does next token exist?
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$nextIndex = $this->currentPosition() + 1;
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if (!isset($tokens[$nextIndex])) {
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return null;
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}
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$this->pushSavePoint();
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$this->next();
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$nextTokenType = $this->currentTokenType();
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$this->rollback();
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return $nextTokenType;
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}
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public function currentPosition() : int
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{
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return $this->privatesAccessor->getPrivateProperty($this, self::INDEX);
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}
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/**
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* @return mixed[]
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*/
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public function getTokens() : array
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{
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return $this->privatesAccessor->getPrivateProperty($this, self::TOKENS);
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}
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public function count() : int
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{
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return \count($this->getTokens());
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}
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/**
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* @return mixed[]
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* @param int $start
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* @param int $end
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*/
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public function partialTokens($start, $end) : array
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{
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$tokens = $this->getTokens();
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$chunkTokens = [];
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for ($i = $start; $i <= $end; ++$i) {
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$chunkTokens[$i] = $tokens[$i];
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}
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return $chunkTokens;
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}
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/**
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* @param int $type
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*/
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public function containsTokenType($type) : bool
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{
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foreach ($this->getTokens() as $token) {
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if ($token[1] === $type) {
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return \true;
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}
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}
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return \false;
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}
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}
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