public-mirrors
/
composer
mirror of https://github.com/composer/composer
1
0
Fork 0
Code
composer/src/Composer/Package/Version/VersionParser.php

296 lines
9.7 KiB
PHP
Raw Blame History

<?php
/*
* This file is part of Composer.
*
* (c) Nils Adermann <naderman@naderman.de>
* Jordi Boggiano <j.boggiano@seld.be>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Composer\Package\Version;
use Composer\Package\BasePackage;
use Composer\Package\PackageInterface;
use Composer\Package\Link;
use Composer\Package\LinkConstraint\MultiConstraint;
use Composer\Package\LinkConstraint\VersionConstraint;
/**
* Version parser
*
* @author Jordi Boggiano <j.boggiano@seld.be>
*/
class VersionParser
{
private static $modifierRegex = '[._-]?(?:(beta|b|RC|alpha|a|patch|pl|p)(?:[.-]?(\d+))?)?([.-]?dev)?';
private static $sha1Length = 40;
/**
* Returns the stability of a version
*
* @param string $version
* @return string
*/
public static function parseStability($version)
{
$version = preg_replace('{#[a-f0-9]+$}i', '', $version);
if ('dev-' === substr($version, 0, 4) || '-dev' === substr($version, -4)) {
return 'dev';
}
preg_match('{'.self::$modifierRegex.'$}', $version, $match);
if (!empty($match[3])) {
return 'dev';
}
if (!empty($match[1])) {
if ('beta' === $match[1] || 'b' === $match[1]) {
return 'beta';
}
if ('alpha' === $match[1] || 'a' === $match[1]) {
return 'alpha';
}
if ('RC' === $match[1]) {
return 'RC';
}
}
return 'stable';
}
public static function normalizeStability($stability)
{
$stability = strtolower($stability);
return $stability === 'rc' ? 'RC' : $stability;
}
public static function formatVersion(PackageInterface $package, $truncate = true)
{
if (!$package->isDev() || !in_array($package->getSourceType(), array('hg', 'git'))) {
return $package->getPrettyVersion();
}
// if source reference is a sha1 hash -- truncate
if ($truncate && self::isHash($package->getSourceReference())) {
return $package->getPrettyVersion() . ' ' . substr($package->getSourceReference(), 0, 6);
}
return $package->getPrettyVersion() . ' ' . $package->getSourceReference();
}
/**
* Indicates whether version is in form of hash.
*
* @param string $version
* @return boolean
*/
private static function isHash($version)
{
return strlen($version) == self::$sha1Length;
}
/**
* Normalizes a version string to be able to perform comparisons on it
*
* @param string $version
* @return array
*/
public function normalize($version)
{
$version = trim($version);
// ignore aliases and just assume the alias is required instead of the source
if (preg_match('{^([^,\s]+) +as +([^,\s]+)$}', $version, $match)) {
$version = $match[1];
}
// match master-like branches
if (preg_match('{^(?:dev-)?(?:master|trunk|default)$}i', $version)) {
return '9999999-dev';
}
if ('dev-' === strtolower(substr($version, 0, 4))) {
return 'dev-'.substr($version, 4);
}
// match classical versioning
if (preg_match('{^v?(\d{1,3})(\.\d+)?(\.\d+)?(\.\d+)?'.self::$modifierRegex.'$}i', $version, $matches)) {
$version = $matches[1]
.(!empty($matches[2]) ? $matches[2] : '.0')
.(!empty($matches[3]) ? $matches[3] : '.0')
.(!empty($matches[4]) ? $matches[4] : '.0');
$index = 5;
} elseif (preg_match('{^v?(\d{4}(?:[.:-]?\d{2}){1,6}(?:[.:-]?\d{1,3})?)'.self::$modifierRegex.'$}i', $version, $matches)) { // match date-based versioning
$version = preg_replace('{\D}', '-', $matches[1]);
$index = 2;
}
// add version modifiers if a version was matched
if (isset($index)) {
if (!empty($matches[$index])) {
$mod = array('{^pl?$}i', '{^rc$}i');
$modNormalized = array('patch', 'RC');
$version .= '-'.preg_replace($mod, $modNormalized, strtolower($matches[$index]))
. (!empty($matches[$index+1]) ? $matches[$index+1] : '');
}
if (!empty($matches[$index+2])) {
$version .= '-dev';
}
return $version;
}
// match dev branches
if (preg_match('{(.*?)[.-]?dev$}i', $version, $match)) {
try {
return $this->normalizeBranch($match[1]);
} catch (\Exception $e) {}
}
throw new \UnexpectedValueException('Invalid version string "'.$version.'"');
}
/**
* Normalizes a branch name to be able to perform comparisons on it
*
* @param string $version
* @return array
*/
public function normalizeBranch($name)
{
$name = trim($name);
if (in_array($name, array('master', 'trunk', 'default'))) {
return $this->normalize($name);
}
if (preg_match('#^v?(\d+)(\.(?:\d+|[x*]))?(\.(?:\d+|[x*]))?(\.(?:\d+|[x*]))?$#i', $name, $matches)) {
$version = '';
for ($i = 1; $i < 5; $i++) {
$version .= isset($matches[$i]) ? str_replace('*', 'x', $matches[$i]) : '.x';
}
return str_replace('x', '9999999', $version).'-dev';
}
return 'dev-'.$name;
}
/**
* @param string $source source package name
* @param string $sourceVersion source package version (pretty version ideally)
* @param string $description link description (e.g. requires, replaces, ..)
* @param array $links array of package name => constraint mappings
* @return Link[]
*/
public function parseLinks($source, $sourceVersion, $description, $links)
{
$res = array();
foreach ($links as $target => $constraint) {
if ('self.version' === $constraint) {
$parsedConstraint = $this->parseConstraints($sourceVersion);
} else {
$parsedConstraint = $this->parseConstraints($constraint);
}
$res[] = new Link($source, $target, $parsedConstraint, $description, $constraint);
}
return $res;
}
/**
* Parses as constraint string into LinkConstraint objects
*
* @param string $constraints
* @return \Composer\Package\LinkConstraint\LinkConstraintInterface
*/
public function parseConstraints($constraints)
{
$prettyConstraint = $constraints;
if (preg_match('{^([^,\s]*?)@('.implode('|', array_keys(BasePackage::$stabilities)).')$}i', $constraints, $match)) {
$constraints = empty($match[1]) ? '*' : $match[1];
}
if (preg_match('{^(dev-[^,\s@]+?|[^,\s@]+?\.x-dev)#[a-f0-9]+$}i', $constraints, $match)) {
$constraints = $match[1];
}
$constraints = preg_split('{\s*,\s*}', trim($constraints));
if (count($constraints) > 1) {
$constraintObjects = array();
foreach ($constraints as $constraint) {
$constraintObjects = array_merge($constraintObjects, $this->parseConstraint($constraint));
}
} else {
$constraintObjects = $this->parseConstraint($constraints[0]);
}
if (1 === count($constraintObjects)) {
$constraint = $constraintObjects[0];
} else {
$constraint = new MultiConstraint($constraintObjects);
}
$constraint->setPrettyString($prettyConstraint);
return $constraint;
}
private function parseConstraint($constraint)
{
if (preg_match('{^[x*](\.[x*])*$}i', $constraint)) {
return array();
}
// match wildcard constraints
if (preg_match('{^(\d+)(?:\.(\d+))?(?:\.(\d+))?\.[x*]$}', $constraint, $matches)) {
if (isset($matches[3])) {
$highVersion = $matches[1] . '.' . $matches[2] . '.' . $matches[3] . '.9999999';
if ($matches[3] === '0') {
$lowVersion = $matches[1] . '.' . ($matches[2] - 1) . '.9999999.9999999';
} else {
$lowVersion = $matches[1] . '.' . $matches[2] . '.' . ($matches[3] - 1). '.9999999';
}
} elseif (isset($matches[2])) {
$highVersion = $matches[1] . '.' . $matches[2] . '.9999999.9999999';
if ($matches[2] === '0') {
$lowVersion = ($matches[1] - 1) . '.9999999.9999999.9999999';
} else {
$lowVersion = $matches[1] . '.' . ($matches[2] - 1) . '.9999999.9999999';
}
} else {
$highVersion = $matches[1] . '.9999999.9999999.9999999';
if ($matches[1] === '0') {
return array(new VersionConstraint('<', $highVersion));
} else {
$lowVersion = ($matches[1] - 1) . '.9999999.9999999.9999999';
}
}
return array(
new VersionConstraint('>', $lowVersion),
new VersionConstraint('<', $highVersion),
);
}
// match operators constraints
if (preg_match('{^(<>|!=|>=?|<=?|==?)?\s*(.*)}', $constraint, $matches)) {
try {
$version = $this->normalize($matches[2]);
return array(new VersionConstraint($matches[1] ?: '=', $version));
} catch (\Exception $e) {}
}
throw new \UnexpectedValueException('Could not parse version constraint '.$constraint);
}
}
View Git Blame Copy Permalink