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<?php
/*
* This file is part of composer/semver.
*
* (c) Composer <https://github.com/composer>
*
* For the full copyright and license information, please view
* the LICENSE file that was distributed with this source code.
*/
namespace Composer\Semver\Constraint;
class Bound
{
/**
* @var string
*/
private $version;
/**
* @var bool
*/
private $isInclusive;
/**
* @param string $version
* @param bool $isInclusive
*/
public function __construct($version, $isInclusive)
{
$this->version = $version;
$this->isInclusive = $isInclusive;
}
/**
* @return string
*/
public function getVersion()
{
return $this->version;
}
/**
* @return bool
*/
public function isInclusive()
{
return $this->isInclusive;
}
/**
* @return bool
*/
public function isZero()
{
return $this->getVersion() === '0.0.0.0-dev' && $this->isInclusive();
}
/**
* @return bool
*/
public function isPositiveInfinity()
{
return $this->getVersion() === PHP_INT_MAX.'.0.0.0' && !$this->isInclusive();
}
/**
* Compares a bound to another with a given operator.
*
* @param Bound $other
* @param string $operator
*
* @return bool
*/
public function compareTo(Bound $other, $operator)
{
if (!\in_array($operator, array('<', '>'), true)) {
throw new \InvalidArgumentException('Does not support any other operator other than > or <.');
}
// If they are the same it doesn't matter
if ($this == $other) {
return false;
}
$compareResult = version_compare($this->getVersion(), $other->getVersion());
// Not the same version means we don't need to check if the bounds are inclusive or not
if (0 !== $compareResult) {
return (('>' === $operator) ? 1 : -1) === $compareResult;
}
// Question we're answering here is "am I higher than $other?"
return '>' === $operator ? $other->isInclusive() : !$other->isInclusive();
}
public function __toString()
{
return sprintf(
'%s [%s]',
$this->getVersion(),
$this->isInclusive() ? 'inclusive' : 'exclusive'
);
}
/**
* @return self
*/
public static function zero()
{
return new Bound('0.0.0.0-dev', true);
}
/**
* @return self
*/
public static function positiveInfinity()
{
return new Bound(PHP_INT_MAX.'.0.0.0', false);
}
}
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