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