diff options
author | Andrew Dolgov <[email protected]> | 2022-03-22 12:24:31 +0300 |
---|---|---|
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/FlexibleDocStringEmulator.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/FlexibleDocStringEmulator.php')
-rw-r--r-- | vendor/nikic/php-parser/lib/PhpParser/Lexer/TokenEmulator/FlexibleDocStringEmulator.php | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/vendor/nikic/php-parser/lib/PhpParser/Lexer/TokenEmulator/FlexibleDocStringEmulator.php b/vendor/nikic/php-parser/lib/PhpParser/Lexer/TokenEmulator/FlexibleDocStringEmulator.php new file mode 100644 index 000000000..c15d6271f --- /dev/null +++ b/vendor/nikic/php-parser/lib/PhpParser/Lexer/TokenEmulator/FlexibleDocStringEmulator.php @@ -0,0 +1,76 @@ +<?php declare(strict_types=1); + +namespace PhpParser\Lexer\TokenEmulator; + +use PhpParser\Lexer\Emulative; + +final class FlexibleDocStringEmulator extends TokenEmulator +{ + const FLEXIBLE_DOC_STRING_REGEX = <<<'REGEX' +/<<<[ \t]*(['"]?)([a-zA-Z_\x80-\xff][a-zA-Z0-9_\x80-\xff]*)\1\r?\n +(?:.*\r?\n)*? +(?<indentation>\h*)\2(?![a-zA-Z0-9_\x80-\xff])(?<separator>(?:;?[\r\n])?)/x +REGEX; + + public function getPhpVersion(): string + { + return Emulative::PHP_7_3; + } + + public function isEmulationNeeded(string $code) : bool + { + return strpos($code, '<<<') !== false; + } + + public function emulate(string $code, array $tokens): array + { + // Handled by preprocessing + fixup. + return $tokens; + } + + public function reverseEmulate(string $code, array $tokens): array + { + // Not supported. + return $tokens; + } + + public function preprocessCode(string $code, array &$patches): string { + if (!preg_match_all(self::FLEXIBLE_DOC_STRING_REGEX, $code, $matches, PREG_SET_ORDER|PREG_OFFSET_CAPTURE)) { + // No heredoc/nowdoc found + return $code; + } + + // Keep track of how much we need to adjust string offsets due to the modifications we + // already made + $posDelta = 0; + foreach ($matches as $match) { + $indentation = $match['indentation'][0]; + $indentationStart = $match['indentation'][1]; + + $separator = $match['separator'][0]; + $separatorStart = $match['separator'][1]; + + if ($indentation === '' && $separator !== '') { + // Ordinary heredoc/nowdoc + continue; + } + + if ($indentation !== '') { + // Remove indentation + $indentationLen = strlen($indentation); + $code = substr_replace($code, '', $indentationStart + $posDelta, $indentationLen); + $patches[] = [$indentationStart + $posDelta, 'add', $indentation]; + $posDelta -= $indentationLen; + } + + if ($separator === '') { + // Insert newline as separator + $code = substr_replace($code, "\n", $separatorStart + $posDelta, 0); + $patches[] = [$separatorStart + $posDelta, 'remove', "\n"]; + $posDelta += 1; + } + } + + return $code; + } +} |