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@ -104,7 +104,7 @@ class Compiler
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$content = file_get_contents($file);
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if ($strip) {
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$content = $this->stripComments($content);
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$content = $this->stripWhitespace($content);
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} elseif ('LICENSE' === basename($file)) {
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$content = "\n".$content."\n";
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}
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@ -122,12 +122,12 @@ class Compiler
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}
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/**
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* Removes comments from a PHP source string.
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* Removes whitespace from a PHP source string while preserving line numbers.
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*
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* @param string $source A PHP string
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* @return string The PHP string with the comments removed
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* @return string The PHP string with the whitespace removed
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*/
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private function stripComments($source)
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private function stripWhitespace($source)
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{
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if (!function_exists('token_get_all')) {
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return $source;
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@ -139,6 +139,14 @@ class Compiler
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$output .= $token;
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} elseif (in_array($token[0], array(T_COMMENT, T_DOC_COMMENT))) {
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$output .= str_repeat("\n", substr_count($token[1], "\n"));
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} elseif (T_WHITESPACE === $token[0]) {
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// reduce wide spaces
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$whitespace = preg_replace('{[ \t]+}', ' ', $token[1]);
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// normalize newlines to \n
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$whitespace = preg_replace('{(?:\r\n|\r|\n)}', "\n", $whitespace);
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// trim leading spaces
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$whitespace = preg_replace('{\n +}', "\n", $whitespace);
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$output .= $whitespace;
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} else {
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$output .= $token[1];
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}
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