diff options
author | Andrew Dolgov <[email protected]> | 2022-03-22 12:24:31 +0300 |
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committer | Andrew Dolgov <[email protected]> | 2022-03-22 12:24:31 +0300 |
commit | 1c4f7ab3b838b23afb2ee4dab14acbf75956e952 (patch) | |
tree | 0a19274107d717efe92d2c0376cd3105fead5a11 /vendor/nikic/php-parser/lib/PhpParser/Lexer/TokenEmulator/KeywordEmulator.php | |
parent | 711662948768492e8d05b778a7d80eacaec368d2 (diff) |
* add phpunit as a dev dependency
* add some basic tests for UrlHelper::rewrite_relative()
* fix UrlHelper::rewrite_relative() to work better on non-absolute
relative URL paths
Diffstat (limited to 'vendor/nikic/php-parser/lib/PhpParser/Lexer/TokenEmulator/KeywordEmulator.php')
-rw-r--r-- | vendor/nikic/php-parser/lib/PhpParser/Lexer/TokenEmulator/KeywordEmulator.php | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/vendor/nikic/php-parser/lib/PhpParser/Lexer/TokenEmulator/KeywordEmulator.php b/vendor/nikic/php-parser/lib/PhpParser/Lexer/TokenEmulator/KeywordEmulator.php new file mode 100644 index 000000000..ea261cc17 --- /dev/null +++ b/vendor/nikic/php-parser/lib/PhpParser/Lexer/TokenEmulator/KeywordEmulator.php @@ -0,0 +1,62 @@ +<?php declare(strict_types=1); + +namespace PhpParser\Lexer\TokenEmulator; + +abstract class KeywordEmulator extends TokenEmulator +{ + abstract function getKeywordString(): string; + abstract function getKeywordToken(): int; + + public function isEmulationNeeded(string $code): bool + { + return strpos(strtolower($code), $this->getKeywordString()) !== false; + } + + protected function isKeywordContext(array $tokens, int $pos): bool + { + $previousNonSpaceToken = $this->getPreviousNonSpaceToken($tokens, $pos); + return $previousNonSpaceToken === null || $previousNonSpaceToken[0] !== \T_OBJECT_OPERATOR; + } + + public function emulate(string $code, array $tokens): array + { + $keywordString = $this->getKeywordString(); + foreach ($tokens as $i => $token) { + if ($token[0] === T_STRING && strtolower($token[1]) === $keywordString + && $this->isKeywordContext($tokens, $i)) { + $tokens[$i][0] = $this->getKeywordToken(); + } + } + + return $tokens; + } + + /** + * @param mixed[] $tokens + * @return mixed[]|null + */ + private function getPreviousNonSpaceToken(array $tokens, int $start) + { + for ($i = $start - 1; $i >= 0; --$i) { + if ($tokens[$i][0] === T_WHITESPACE) { + continue; + } + + return $tokens[$i]; + } + + return null; + } + + public function reverseEmulate(string $code, array $tokens): array + { + $keywordToken = $this->getKeywordToken(); + foreach ($tokens as $i => $token) { + if ($token[0] === $keywordToken) { + $tokens[$i][0] = \T_STRING; + } + } + + return $tokens; + } +} |