Viewing file:  VersionConstraintParser.php (3.36 KB) -rw-r--r--
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<?php declare(strict_types = 1);
/*
* This file is part of PharIo\Version.
*
* (c) Arne Blankerts <arne@blankerts.de>, Sebastian Heuer <sebastian@phpeople.de>, Sebastian Bergmann <sebastian@phpunit.de>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace PharIo\Version;
class VersionConstraintParser {
/**
* @param string $value
*
* @throws UnsupportedVersionConstraintException
*/
public function parse($value): VersionConstraint {
if (\strpos($value, '||') !== false) {
return $this->handleOrGroup($value);
}
if (!\preg_match('/^[\^~*]?v?[\d.*]+(?:-.*)?$/i', $value)) {
throw new UnsupportedVersionConstraintException(
\sprintf('Version constraint %s is not supported.', $value)
);
}
switch ($value[0]) {
case '~':
return $this->handleTildeOperator($value);
case '^':
return $this->handleCaretOperator($value);
}
$version = new VersionConstraintValue($value);
if ($version->getMajor()->isAny()) {
return new AnyVersionConstraint();
}
if ($version->getMinor()->isAny()) {
return new SpecificMajorVersionConstraint(
$version->getVersionString(),
$version->getMajor()->getValue()
);
}
if ($version->getPatch()->isAny()) {
return new SpecificMajorAndMinorVersionConstraint(
$version->getVersionString(),
$version->getMajor()->getValue(),
$version->getMinor()->getValue()
);
}
return new ExactVersionConstraint($version->getVersionString());
}
/**
* @param $value
*/
private function handleOrGroup($value): OrVersionConstraintGroup {
$constraints = [];
foreach (\explode('||', $value) as $groupSegment) {
$constraints[] = $this->parse(\trim($groupSegment));
}
return new OrVersionConstraintGroup($value, $constraints);
}
/**
* @param string $value
*/
private function handleTildeOperator($value): AndVersionConstraintGroup {
$version = new Version(\substr($value, 1));
$constraints = [
new GreaterThanOrEqualToVersionConstraint($value, $version)
];
if ($version->getPatch()->isAny()) {
$constraints[] = new SpecificMajorVersionConstraint(
$value,
$version->getMajor()->getValue()
);
} else {
$constraints[] = new SpecificMajorAndMinorVersionConstraint(
$value,
$version->getMajor()->getValue(),
$version->getMinor()->getValue()
);
}
return new AndVersionConstraintGroup($value, $constraints);
}
/**
* @param string $value
*/
private function handleCaretOperator($value): AndVersionConstraintGroup {
$version = new Version(\substr($value, 1));
return new AndVersionConstraintGroup(
$value,
[
new GreaterThanOrEqualToVersionConstraint($value, $version),
new SpecificMajorVersionConstraint($value, $version->getMajor()->getValue())
]
);
}
}
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