public-mirrors
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composer
mirror of https://github.com/composer/composer
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Improve stripping

pull/447/merge
Jordi Boggiano 2012-03-14 15:35:08 +01:00
parent 32adc8908d
commit 4b24b972a7
1 changed files with 12 additions and 4 deletions
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16
src/Composer/Compiler.php
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@ -104,7 +104,7 @@ class Compiler
$content = file_get_contents($file);
if ($strip) {
$content = $this->stripComments($content);
$content = $this->stripWhitespace($content);
} elseif ('LICENSE' === basename($file)) {
$content = "\n".$content."\n";
}
@ -122,12 +122,12 @@ class Compiler
}
/**
* Removes comments from a PHP source string.
* Removes whitespace from a PHP source string while preserving line numbers.
*
* @param string $source A PHP string
* @return string The PHP string with the comments removed
* @return string The PHP string with the whitespace removed
*/
private function stripComments($source)
private function stripWhitespace($source)
{
if (!function_exists('token_get_all')) {
return $source;
@ -139,6 +139,14 @@ class Compiler
$output .= $token;
} elseif (in_array($token[0], array(T_COMMENT, T_DOC_COMMENT))) {
$output .= str_repeat("\n", substr_count($token[1], "\n"));
} elseif (T_WHITESPACE === $token[0]) {
// reduce wide spaces
$whitespace = preg_replace('{[ \t]+}', ' ', $token[1]);
// normalize newlines to \n
$whitespace = preg_replace('{(?:\r\n|\r|\n)}', "\n", $whitespace);
// trim leading spaces
$whitespace = preg_replace('{\n +}', "\n", $whitespace);
$output .= $whitespace;
} else {
$output .= $token[1];
}