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<?php
/**
* @licence GNU GPL v2+
* @author Jeroen De Dauw < jeroendedauw@gmail.com >
*/
class ComposerVersionNormalizer {
/**
* Ensures there is a dash in between the version and the stability suffix.
*
* Examples:
* - 1.23RC => 1.23-RC
* - 1.23alpha => 1.23-alpha
* - 1.23alpha3 => 1.23-alpha3
* - 1.23-beta => 1.23-beta
*
* @param string $version
*
* @return string
* @throws InvalidArgumentException
*/
public function normalizeSuffix( $version ) {
if ( !is_string( $version ) ) {
throw new InvalidArgumentException( '$version must be a string' );
}
return preg_replace( '/^(\d[\d\.]*)([a-zA-Z]+)(\d*)$/', '$1-$2$3', $version, 1 );
}
/**
* Ensures the version has four levels.
* Version suffixes are supported, as long as they start with a dash.
*
* Examples:
* - 1.19 => 1.19.0.0
* - 1.19.2.3 => 1.19.2.3
* - 1.19-alpha => 1.19.0.0-alpha
* - 1337 => 1337.0.0.0
*
* @param string $version
*
* @return string
* @throws InvalidArgumentException
*/
public function normalizeLevelCount( $version ) {
if ( !is_string( $version ) ) {
throw new InvalidArgumentException( '$version must be a string' );
}
$dashPosition = strpos( $version, '-' );
if ( $dashPosition !== false ) {
$suffix = substr( $version, $dashPosition );
$version = substr( $version, 0, $dashPosition );
}
$version = implode( '.', array_pad( explode( '.', $version ), 4, '0' ) );
if ( $dashPosition !== false ) {
$version .= $suffix;
}
return $version;
}
}
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