552 lines
19 KiB
PHP
552 lines
19 KiB
PHP
<?php
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/*
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* This file is part of Composer.
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*
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* (c) Nils Adermann <naderman@naderman.de>
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* Jordi Boggiano <j.boggiano@seld.be>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Composer\Autoload;
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use Composer\Config;
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use Composer\Installer\InstallationManager;
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use Composer\Package\AliasPackage;
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use Composer\Package\PackageInterface;
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use Composer\Repository\InstalledRepositoryInterface;
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use Composer\Util\Filesystem;
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use Composer\Script\EventDispatcher;
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use Composer\Script\ScriptEvents;
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/**
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* @author Igor Wiedler <igor@wiedler.ch>
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* @author Jordi Boggiano <j.boggiano@seld.be>
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*/
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class AutoloadGenerator
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{
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/**
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* @var EventDispatcher
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*/
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private $eventDispatcher;
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public function __construct(EventDispatcher $eventDispatcher)
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{
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$this->eventDispatcher = $eventDispatcher;
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}
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public function dump(Config $config, InstalledRepositoryInterface $localRepo, PackageInterface $mainPackage, InstallationManager $installationManager, $targetDir, $scanPsr0Packages = false, $suffix = '')
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{
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$filesystem = new Filesystem();
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$filesystem->ensureDirectoryExists($config->get('vendor-dir'));
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$basePath = $filesystem->normalizePath(getcwd());
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$vendorPath = $filesystem->normalizePath(realpath($config->get('vendor-dir')));
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$useGlobalIncludePath = (bool) $config->get('use-include-path');
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$targetDir = $vendorPath.'/'.$targetDir;
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$filesystem->ensureDirectoryExists($targetDir);
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$vendorPathCode = $filesystem->findShortestPathCode(realpath($targetDir), $vendorPath, true);
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$vendorPathCode52 = str_replace('__DIR__', 'dirname(__FILE__)', $vendorPathCode);
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$vendorPathToTargetDirCode = $filesystem->findShortestPathCode($vendorPath, realpath($targetDir), true);
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$appBaseDirCode = $filesystem->findShortestPathCode($vendorPath, $basePath, true);
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$appBaseDirCode = str_replace('__DIR__', '$vendorDir', $appBaseDirCode);
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$namespacesFile = <<<EOF
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<?php
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// autoload_namespaces.php generated by Composer
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\$vendorDir = $vendorPathCode52;
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\$baseDir = $appBaseDirCode;
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return array(
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EOF;
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$packageMap = $this->buildPackageMap($installationManager, $mainPackage, $localRepo->getCanonicalPackages());
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$autoloads = $this->parseAutoloads($packageMap, $mainPackage);
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foreach ($autoloads['psr-0'] as $namespace => $paths) {
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$exportedPaths = array();
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foreach ($paths as $path) {
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$exportedPaths[] = $this->getPathCode($filesystem, $basePath, $vendorPath, $path);
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}
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$exportedPrefix = var_export($namespace, true);
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$namespacesFile .= " $exportedPrefix => ";
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if (count($exportedPaths) > 1) {
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$namespacesFile .= "array(".implode(', ', $exportedPaths)."),\n";
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} else {
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$namespacesFile .= $exportedPaths[0].",\n";
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}
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}
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$namespacesFile .= ");\n";
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$classmapFile = <<<EOF
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<?php
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// autoload_classmap.php generated by Composer
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\$vendorDir = $vendorPathCode52;
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\$baseDir = $appBaseDirCode;
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return array(
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EOF;
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// add custom psr-0 autoloading if the root package has a target dir
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$targetDirLoader = null;
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$mainAutoload = $mainPackage->getAutoload();
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if ($mainPackage->getTargetDir() && !empty($mainAutoload['psr-0'])) {
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$levels = count(explode('/', $filesystem->normalizePath($mainPackage->getTargetDir())));
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$prefixes = implode(', ', array_map(function ($prefix) {
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return var_export($prefix, true);
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}, array_keys($mainAutoload['psr-0'])));
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$baseDirFromTargetDirCode = $filesystem->findShortestPathCode($targetDir, $basePath, true);
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$targetDirLoader = <<<EOF
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public static function autoload(\$class)
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{
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\$dir = $baseDirFromTargetDirCode . '/';
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\$prefixes = array($prefixes);
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foreach (\$prefixes as \$prefix) {
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if (0 !== strpos(\$class, \$prefix)) {
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continue;
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}
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\$path = \$dir . implode('/', array_slice(explode('\\\\', \$class), $levels)).'.php';
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if (!\$path = stream_resolve_include_path(\$path)) {
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return false;
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}
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require \$path;
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return true;
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}
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}
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EOF;
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}
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// flatten array
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$classMap = array();
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if ($scanPsr0Packages) {
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foreach ($autoloads['psr-0'] as $namespace => $paths) {
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foreach ($paths as $dir) {
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$dir = $filesystem->normalizePath($filesystem->isAbsolutePath($dir) ? $dir : $basePath.'/'.$dir);
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if (!is_dir($dir)) {
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continue;
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}
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$whitelist = sprintf(
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'{%s/%s.+(?<!(?<!/)Test\.php)$}',
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preg_quote($dir),
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strpos($namespace, '_') === false ? preg_quote(strtr($namespace, '\\', '/')) : ''
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);
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foreach (ClassMapGenerator::createMap($dir, $whitelist) as $class => $path) {
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if ('' === $namespace || 0 === strpos($class, $namespace)) {
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if (!isset($classMap[$class])) {
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$path = $this->getPathCode($filesystem, $basePath, $vendorPath, $path);
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$classMap[$class] = $path.",\n";
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}
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}
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}
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}
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}
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}
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$autoloads['classmap'] = new \RecursiveIteratorIterator(new \RecursiveArrayIterator($autoloads['classmap']));
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foreach ($autoloads['classmap'] as $dir) {
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foreach (ClassMapGenerator::createMap($dir) as $class => $path) {
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$path = $this->getPathCode($filesystem, $basePath, $vendorPath, $path);
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$classMap[$class] = $path.",\n";
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}
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}
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ksort($classMap);
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foreach ($classMap as $class => $code) {
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$classmapFile .= ' '.var_export($class, true).' => '.$code;
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}
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$classmapFile .= ");\n";
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$filesCode = "";
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$autoloads['files'] = new \RecursiveIteratorIterator(new \RecursiveArrayIterator($autoloads['files']));
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foreach ($autoloads['files'] as $functionFile) {
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$filesCode .= ' require '.$this->getPathCode($filesystem, $basePath, $vendorPath, $functionFile).";\n";
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}
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if (!$suffix) {
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$suffix = md5(uniqid('', true));
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}
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file_put_contents($targetDir.'/autoload_namespaces.php', $namespacesFile);
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file_put_contents($targetDir.'/autoload_classmap.php', $classmapFile);
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if ($includePathFile = $this->getIncludePathsFile($packageMap, $filesystem, $basePath, $vendorPath, $vendorPathCode52, $appBaseDirCode)) {
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file_put_contents($targetDir.'/include_paths.php', $includePathFile);
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}
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file_put_contents($vendorPath.'/autoload.php', $this->getAutoloadFile($vendorPathToTargetDirCode, $suffix));
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file_put_contents($targetDir.'/autoload_real.php', $this->getAutoloadRealFile(true, true, (bool) $includePathFile, $targetDirLoader, $filesCode, $vendorPathCode, $appBaseDirCode, $suffix, $useGlobalIncludePath));
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// use stream_copy_to_stream instead of copy
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// to work around https://bugs.php.net/bug.php?id=64634
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$sourceLoader = fopen(__DIR__.'/ClassLoader.php', 'r');
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$targetLoader = fopen($targetDir.'/ClassLoader.php', 'w+');
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stream_copy_to_stream($sourceLoader, $targetLoader);
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fclose($sourceLoader);
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fclose($targetLoader);
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unset($sourceLoader, $targetLoader);
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$this->eventDispatcher->dispatch(ScriptEvents::POST_AUTOLOAD_DUMP);
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}
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public function buildPackageMap(InstallationManager $installationManager, PackageInterface $mainPackage, array $packages)
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{
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// build package => install path map
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$packageMap = array(array($mainPackage, ''));
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foreach ($packages as $package) {
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if ($package instanceof AliasPackage) {
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continue;
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}
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$packageMap[] = array(
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$package,
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$installationManager->getInstallPath($package)
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);
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}
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return $packageMap;
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}
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/**
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* Compiles an ordered list of namespace => path mappings
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*
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* @param array $packageMap array of array(package, installDir-relative-to-composer.json)
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* @param PackageInterface $mainPackage root package instance
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* @return array array('psr-0' => array('Ns\\Foo' => array('installDir')))
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*/
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public function parseAutoloads(array $packageMap, PackageInterface $mainPackage)
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{
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$mainPackageMap = array_shift($packageMap);
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$sortedPackageMap = $this->sortPackageMap($packageMap);
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$sortedPackageMap[] = $mainPackageMap;
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array_unshift($packageMap, $mainPackageMap);
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$psr0 = $this->parseAutoloadsType($packageMap, 'psr-0', $mainPackage);
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$classmap = $this->parseAutoloadsType($sortedPackageMap, 'classmap', $mainPackage);
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$files = $this->parseAutoloadsType($sortedPackageMap, 'files', $mainPackage);
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krsort($psr0);
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return array('psr-0' => $psr0, 'classmap' => $classmap, 'files' => $files);
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}
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/**
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* Registers an autoloader based on an autoload map returned by parseAutoloads
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*
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* @param array $autoloads see parseAutoloads return value
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* @return ClassLoader
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*/
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public function createLoader(array $autoloads)
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{
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$loader = new ClassLoader();
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if (isset($autoloads['psr-0'])) {
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foreach ($autoloads['psr-0'] as $namespace => $path) {
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$loader->add($namespace, $path);
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}
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}
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return $loader;
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}
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protected function getIncludePathsFile(array $packageMap, Filesystem $filesystem, $basePath, $vendorPath, $vendorPathCode, $appBaseDirCode)
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{
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$includePaths = array();
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foreach ($packageMap as $item) {
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list($package, $installPath) = $item;
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if (null !== $package->getTargetDir() && strlen($package->getTargetDir()) > 0) {
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$installPath = substr($installPath, 0, -strlen('/'.$package->getTargetDir()));
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}
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foreach ($package->getIncludePaths() as $includePath) {
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$includePath = trim($includePath, '/');
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$includePaths[] = empty($installPath) ? $includePath : $installPath.'/'.$includePath;
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}
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}
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if (!$includePaths) {
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return;
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}
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$includePathsFile = <<<EOF
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<?php
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// include_paths.php generated by Composer
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\$vendorDir = $vendorPathCode;
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\$baseDir = $appBaseDirCode;
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return array(
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EOF;
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foreach ($includePaths as $path) {
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$includePathsFile .= " " . $this->getPathCode($filesystem, $basePath, $vendorPath, $path) . ",\n";
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}
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return $includePathsFile . ");\n";
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}
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protected function getPathCode(Filesystem $filesystem, $basePath, $vendorPath, $path)
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{
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if (!$filesystem->isAbsolutePath($path)) {
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$path = $basePath . '/' . $path;
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}
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$path = $filesystem->normalizePath($path);
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$baseDir = '';
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if (strpos($path, $vendorPath) === 0) {
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$path = substr($path, strlen($vendorPath));
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$baseDir = '$vendorDir . ';
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} else {
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$path = $filesystem->normalizePath($filesystem->findShortestPath($basePath, $path, true));
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if (!$filesystem->isAbsolutePath($path)) {
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$baseDir = '$baseDir . ';
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$path = '/' . $path;
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}
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}
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if (preg_match('/\.phar$/', $path)){
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$baseDir = "'phar://' . '" . $baseDir;
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}
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return $baseDir.var_export($path, true);
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}
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protected function getAutoloadFile($vendorPathToTargetDirCode, $suffix)
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{
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return <<<AUTOLOAD
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<?php
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// autoload.php generated by Composer
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require_once $vendorPathToTargetDirCode . '/autoload_real.php';
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return ComposerAutoloaderInit$suffix::getLoader();
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AUTOLOAD;
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}
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protected function getAutoloadRealFile($usePSR0, $useClassMap, $useIncludePath, $targetDirLoader, $filesCode, $vendorPathCode, $appBaseDirCode, $suffix, $useGlobalIncludePath)
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{
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// TODO the class ComposerAutoloaderInit should be revert to a closure
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// when APC has been fixed:
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// - https://github.com/composer/composer/issues/959
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// - https://bugs.php.net/bug.php?id=52144
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// - https://bugs.php.net/bug.php?id=61576
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// - https://bugs.php.net/bug.php?id=59298
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if ($filesCode) {
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$filesCode = "\n\n".rtrim($filesCode);
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}
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$file = <<<HEADER
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<?php
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// autoload_real.php generated by Composer
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class ComposerAutoloaderInit$suffix
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{
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private static \$loader;
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public static function loadClassLoader(\$class)
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{
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if ('Composer\\Autoload\\ClassLoader' === \$class) {
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require __DIR__ . '/ClassLoader.php';
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}
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}
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public static function getLoader()
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{
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if (null !== self::\$loader) {
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return self::\$loader;
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}
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spl_autoload_register(array('ComposerAutoloaderInit$suffix', 'loadClassLoader'), true, true);
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self::\$loader = \$loader = new \\Composer\\Autoload\\ClassLoader();
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spl_autoload_unregister(array('ComposerAutoloaderInit$suffix', 'loadClassLoader'));
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\$vendorDir = $vendorPathCode;
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\$baseDir = $appBaseDirCode;
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HEADER;
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if ($useIncludePath) {
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$file .= <<<'INCLUDE_PATH'
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$includePaths = require __DIR__ . '/include_paths.php';
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array_push($includePaths, get_include_path());
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set_include_path(join(PATH_SEPARATOR, $includePaths));
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INCLUDE_PATH;
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}
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if ($usePSR0) {
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$file .= <<<'PSR0'
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$map = require __DIR__ . '/autoload_namespaces.php';
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foreach ($map as $namespace => $path) {
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$loader->add($namespace, $path);
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}
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PSR0;
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}
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if ($useClassMap) {
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$file .= <<<'CLASSMAP'
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$classMap = require __DIR__ . '/autoload_classmap.php';
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if ($classMap) {
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$loader->addClassMap($classMap);
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}
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CLASSMAP;
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}
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if ($useGlobalIncludePath) {
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$file .= <<<'INCLUDEPATH'
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$loader->setUseIncludePath(true);
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INCLUDEPATH;
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}
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if ($targetDirLoader) {
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$file .= <<<REGISTER_AUTOLOAD
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spl_autoload_register(array('ComposerAutoloaderInit$suffix', 'autoload'), true, true);
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REGISTER_AUTOLOAD;
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}
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$file .= <<<METHOD_FOOTER
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\$loader->register(true);{$filesCode}
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return \$loader;
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}
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METHOD_FOOTER;
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$file .= $targetDirLoader;
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return $file . <<<FOOTER
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}
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FOOTER;
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}
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protected function parseAutoloadsType(array $packageMap, $type, PackageInterface $mainPackage)
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{
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$autoloads = array();
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foreach ($packageMap as $item) {
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list($package, $installPath) = $item;
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$autoload = $package->getAutoload();
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// skip misconfigured packages
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if (!isset($autoload[$type]) || !is_array($autoload[$type])) {
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continue;
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}
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if (null !== $package->getTargetDir() && $package !== $mainPackage) {
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$installPath = substr($installPath, 0, -strlen('/'.$package->getTargetDir()));
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}
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foreach ($autoload[$type] as $namespace => $paths) {
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foreach ((array) $paths as $path) {
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// remove target-dir from file paths of the root package
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if ($type === 'files' && $package === $mainPackage && $package->getTargetDir() && !is_readable($installPath.'/'.$path)) {
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$targetDir = str_replace('\\<dirsep\\>', '[\\\\/]', preg_quote(str_replace(array('/', '\\'), '<dirsep>', $package->getTargetDir())));
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$path = ltrim(preg_replace('{^'.$targetDir.'}', '', ltrim($path, '\\/')), '\\/');
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}
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// add target-dir from file paths that don't have it
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if ($type === 'files' && $package !== $mainPackage && $package->getTargetDir() && !is_readable($installPath.'/'.$path)) {
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$path = $package->getTargetDir() . '/' . $path;
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}
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// remove target-dir from classmap entries of the root package
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if ($type === 'classmap' && $package === $mainPackage && $package->getTargetDir() && !is_readable($installPath.'/'.$path)) {
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$targetDir = str_replace('\\<dirsep\\>', '[\\\\/]', preg_quote(str_replace(array('/', '\\'), '<dirsep>', $package->getTargetDir())));
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$path = ltrim(preg_replace('{^'.$targetDir.'}', '', ltrim($path, '\\/')), '\\/');
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}
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// add target-dir to classmap entries that don't have it
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if ($type === 'classmap' && $package !== $mainPackage && $package->getTargetDir() && !is_readable($installPath.'/'.$path)) {
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$path = $package->getTargetDir() . '/' . $path;
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}
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if (empty($installPath)) {
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$autoloads[$namespace][] = empty($path) ? '.' : $path;
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} else {
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$autoloads[$namespace][] = $installPath.'/'.$path;
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}
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}
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}
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}
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return $autoloads;
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}
|
|
|
|
protected function sortPackageMap(array $packageMap)
|
|
{
|
|
$positions = array();
|
|
$names = array();
|
|
$indexes = array();
|
|
|
|
foreach ($packageMap as $position => $item) {
|
|
$mainName = $item[0]->getName();
|
|
$names = array_merge(array_fill_keys($item[0]->getNames(), $mainName), $names);
|
|
$names[$mainName] = $mainName;
|
|
$indexes[$mainName] = $positions[$mainName] = $position;
|
|
}
|
|
|
|
foreach ($packageMap as $item) {
|
|
$position = $positions[$item[0]->getName()];
|
|
foreach (array_merge($item[0]->getRequires(), $item[0]->getDevRequires()) as $link) {
|
|
$target = $link->getTarget();
|
|
if (!isset($names[$target])) {
|
|
continue;
|
|
}
|
|
|
|
$target = $names[$target];
|
|
if ($positions[$target] <= $position) {
|
|
continue;
|
|
}
|
|
|
|
foreach ($positions as $key => $value) {
|
|
if ($value >= $position) {
|
|
break;
|
|
}
|
|
$positions[$key]--;
|
|
}
|
|
|
|
$positions[$target] = $position - 1;
|
|
}
|
|
asort($positions);
|
|
}
|
|
|
|
$sortedPackageMap = array();
|
|
foreach (array_keys($positions) as $packageName) {
|
|
$sortedPackageMap[] = $packageMap[$indexes[$packageName]];
|
|
}
|
|
|
|
return $sortedPackageMap;
|
|
}
|
|
}
|