initial cleanup

.gitattributes

@@ -0,0 +1,16 @@
+# Auto-detect text files, ensure they use LF.
+*       text=auto eol=lf
+
+# These files are always considered text and should use LF.
+# See core.whitespace @ http://git-scm.com/docs/git-config for whitespace flags.
+*.php   text eol=lf whitespace=blank-at-eol,blank-at-eof,space-before-tab,tab-in-indent,tabwidth=4 diff=php
+*.json  text eol=lf whitespace=blank-at-eol,blank-at-eof,space-before-tab,tab-in-indent,tabwidth=4
+
+# Ignore these files in GitHub dists and `git archive` actions.
+/.gitattributes export-ignore
+/.gitignore export-ignore
+/.travis.yml export-ignore
+/.php_cs export-ignore
+/phpunit.xml.dist export-ignore
+/tests export-ignore
+/CONTRIBUTING.md export-ignore

.gitignore

@@ -0,0 +1,2 @@
+vendor/
+composer.lock

.php_cs

@@ -0,0 +1,35 @@
+<?php
+
+$header = <<<EOF
+This file is part of composer/semver.
+
+(c) Composer <https://github.com/composer>
+
+For the full copyright and license information, please view
+the LICENSE file that was distributed with this source code.
+EOF;
+
+Symfony\CS\Fixer\Contrib\HeaderCommentFixer::setHeader($header);
+
+return Symfony\CS\Config\Config::create()
+    ->fixers(array(
+        '-concat_without_spaces',
+        '-phpdoc_params',
+        '-phpdoc_to_comment',
+        '-phpdoc_var_without_name',
+        '-return',
+        'concat_with_spaces',
+        'newline_after_open_tag',
+        'header_comment',
+        'ordered_use',
+        'phpdoc_order',
+        'strict',
+    ))
+    ->finder(
+        Symfony\CS\Finder\DefaultFinder::create()
+            ->files()
+            ->name('*.php')
+            ->in(__DIR__ . '/src')
+            ->in(__DIR__ . '/tests')
+    )
+;

.travis.yml

@@ -0,0 +1,30 @@
+language: php
+
+cache:
+  directories:
+    - $HOME/.composer/cache
+
+git:
+  depth: 5
+
+php:
+  - 5.3.3
+  - 5.3
+  - 5.4
+  - 5.5
+  - 5.6
+  - 7.0
+  - hhvm
+  - hhvm-nightly
+
+matrix:
+  fast_finish: true
+  allow_failures:
+    - php: hhvm-nightly
+
+before_script:
+  - rm -f ~/.phpenv/versions/$(phpenv version-name)/etc/conf.d/xdebug.ini
+  - composer install --no-interaction --no-progress --prefer-dist
+
+script:
+  - vendor/bin/phpunit

CHANGELOG.md

@@ -0,0 +1,15 @@
+# Change Log
+
+All notable changes to this project will be documented in this file.
+This project adheres to [Semantic Versioning](http://semver.org/).
+
+### [Unreleased]
+
+  * Break: the following namespaces were renamed:
+    - Namespace: `Composer\Package\Version` -> `Composer\Semver`
+    - Namespace: `Composer\Package\LinkConstraint` -> `Composer\Semver\Constraint`
+    - Namespace: `Composer\Test\Package\Version` -> `Composer\Test\Semver`
+    - Namespace: `Composer\Test\Package\LinkConstraint` -> `Composer\Test\Semver\Constraint`
+  * Changed: code style using php-cs-fixer.
+  * Added: various documents such as README.md, LICENSE, etc.
+  * Added: configuration files for Git, Travis, php-cs-fixer, phpunit.

CONTRIBUTING.md

@@ -0,0 +1,25 @@
+Contributing to composer/semver
+===============================
+
+Please note that this project is released with a
+[Contributor Code of Conduct](http://contributor-covenant.org/version/1/1/0/).
+By participating in this project and its community you agree to abide by those terms.
+
+Reporting Issues
+----------------
+
+When reporting issues, please try to be as descriptive as possible, and include
+as much relevant information as you can. A step by step guide on how to
+reproduce the issue will greatly increase the chances of your issue being
+resolved in a timely manner.
+
+Contributing Policy
+-------------------
+
+Fork the project, create a feature branch, and send us a pull request.
+
+To ensure a consistent code base, you should make sure the code follows
+the [PSR-2 Coding Standards](http://www.php-fig.org/psr/psr-2/). Run
+[php-cs-fixer](https://github.com/FriendsOfPHP/PHP-CS-Fixer) to automatically "fix" files.
+
+If you would like to help, take a look at the [list of issues](https://github.com/composer/semver/issues).

LICENSE

@@ -0,0 +1,19 @@
+Copyright (C) 2015 Composer
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
+of the Software, and to permit persons to whom the Software is furnished to do
+so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

README.md

@@ -0,0 +1,28 @@
+composer/semver
+===============
+
+Semver library that offers utilities, version constraint parsing and validation.
+
+Originally written as part of [composer/composer](https://github.com/composer/composer),
+now extracted and made available as a stand-alone library.
+
+[![Build Status](https://travis-ci.org/composer/semver.svg?branch=master)](https://travis-ci.org/composer/semver)
+
+Installation
+------------
+
+Install the latest version with:
+
+```bash
+$ composer require composer/semver
+```
+
+Requirements
+------------
+
+* PHP 5.3.2 is required but using the latest version of PHP is highly recommended.
+
+License
+-------
+
+composer/semver is licensed under the MIT License, see the LICENSE file for details.

composer.json

@@ -0,0 +1,62 @@
+{
+    "name": "composer/semver",
+    "description": "Semver library that offers utilities, version constraint parsing and validation.",
+    "type": "library",
+    "license": "MIT",
+    "keywords": [
+        "semver",
+        "semantic",
+        "versioning",
+        "validation"
+    ],
+    "authors": [
+        {
+            "name": "Nils Adermann",
+            "email": "naderman@naderman.de",
+            "homepage": "http://www.naderman.de"
+        },
+        {
+            "name": "Jordi Boggiano",
+            "email": "j.boggiano@seld.be",
+            "homepage": "http://seld.be"
+        },
+        {
+            "name": "Rob Bast",
+            "email": "rob.bast@gmail.com"
+        }
+    ],
+    "support": {
+        "irc": "irc://irc.freenode.org/composer",
+        "issues": "https://github.com/composer/semver/issues"
+    },
+    "require": {
+        "php": ">=5.3.2"
+    },
+    "require-dev": {
+        "phpunit/phpunit": "~4.5",
+        "phpunit/phpunit-mock-objects": "~2.3"
+    },
+    "config": {
+        "platform": {
+            "php": "5.3.3"
+        }
+    },
+    "autoload": {
+        "psr-4": {
+            "Composer\\Semver\\": "src"
+        }
+    },
+    "autoload-dev": {
+        "psr-4": {
+            "Composer\\Semver\\Test\\": "tests"
+        }
+    },
+    "extra": {
+        "branch-alias": {
+            "dev-master": "1.0-dev"
+        }
+    },
+    "scripts": {
+        "test": "phpunit"
+    }
+}

phpunit.xml.dist

@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<phpunit
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xsi:noNamespaceSchemaLocation="http://schema.phpunit.de/4.5/phpunit.xsd"
+    backupGlobals="false"
+    colors="true"
+    bootstrap="vendor/autoload.php"
+    >
+    <testsuites>
+        <testsuite name="Semver Test Suite">
+            <directory>tests</directory>
+        </testsuite>
+    </testsuites>
+
+    <filter>
+        <whitelist>
+            <directory>src</directory>
+        </whitelist>
+    </filter>
+</phpunit>

src/Constraint/EmptyConstraint.php

@@ -1,36 +1,47 @@
 <?php
 
 /*
- * This file is part of Composer.
+ * This file is part of composer/semver.
  *
- * (c) Nils Adermann <naderman@naderman.de>
- *     Jordi Boggiano <j.boggiano@seld.be>
+ * (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.
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
  */
 
-namespace Composer\Package\LinkConstraint;
+namespace Composer\Semver\Constraint;
 
 /**
- * Defines an absence of constraints
+ * Defines an absence of constraints.
  *
  * @author Jordi Boggiano <j.boggiano@seld.be>
  */
 class EmptyConstraint implements LinkConstraintInterface
 {
+    /** @var string */
     protected $prettyString;
 
+    /**
+     * @param LinkConstraintInterface $provider
+     *
+     * @return bool
+     */
     public function matches(LinkConstraintInterface $provider)
     {
         return true;
     }
 
+    /**
+     * @param $prettyString
+     */
     public function setPrettyString($prettyString)
     {
         $this->prettyString = $prettyString;
     }
 
+    /**
+     * @return string
+     */
     public function getPrettyString()
     {
         if ($this->prettyString) {
@@ -40,6 +51,9 @@ public function getPrettyString()
         return $this->__toString();
     }
 
+    /**
+     * @return string
+     */
     public function __toString()
     {
         return '[]';

src/Constraint/LinkConstraintInterface.php

@@ -1,16 +1,15 @@
 <?php
 
 /*
- * This file is part of Composer.
+ * This file is part of composer/semver.
  *
- * (c) Nils Adermann <naderman@naderman.de>
- *     Jordi Boggiano <j.boggiano@seld.be>
+ * (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.
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
  */
 
-namespace Composer\Package\LinkConstraint;
+namespace Composer\Semver\Constraint;
 
 /**
  * Defines a constraint on a link between two packages.
@@ -20,7 +19,10 @@
 interface LinkConstraintInterface
 {
     public function matches(LinkConstraintInterface $provider);
+
     public function setPrettyString($prettyString);
+
     public function getPrettyString();
+
     public function __toString();
 }