File "AutoloadGenerator.php"
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<?php // phpcs:ignore WordPress.Files.FileName
/**
* Autoloader Generator.
*
* @package automattic/jetpack-autoloader
*/
// phpcs:disable PHPCompatibility.Keywords.NewKeywords.t_useFound
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// phpcs:disable PHPCompatibility.Keywords.NewKeywords.t_dirFound
// phpcs:disable WordPress.Files.FileName.InvalidClassFileName
// phpcs:disable WordPress.PHP.DevelopmentFunctions.error_log_var_export
// phpcs:disable WordPress.WP.AlternativeFunctions.file_system_read_file_put_contents
// phpcs:disable WordPress.WP.AlternativeFunctions.file_system_read_fopen
// phpcs:disable WordPress.WP.AlternativeFunctions.file_system_read_fwrite
// phpcs:disable WordPress.NamingConventions.ValidFunctionName.MethodNameInvalid
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namespace Automattic\Jetpack\Autoloader;
use Composer\Autoload\ClassMapGenerator;
use Composer\Composer;
use Composer\Config;
use Composer\Installer\InstallationManager;
use Composer\IO\IOInterface;
use Composer\Package\PackageInterface;
use Composer\Repository\InstalledRepositoryInterface;
use Composer\Util\Filesystem;
use Composer\Util\PackageSorter;
/**
* Class AutoloadGenerator.
*/
class AutoloadGenerator {
/**
* The filesystem utility.
*
* @var Filesystem
*/
private $filesystem;
/**
* Instantiate an AutoloadGenerator object.
*
* @param IOInterface $io IO object.
*/
public function __construct( IOInterface $io = null ) {
$this->io = $io;
$this->filesystem = new Filesystem();
}
/**
* Dump the Jetpack autoloader files.
*
* @param Composer $composer The Composer object.
* @param Config $config Config object.
* @param InstalledRepositoryInterface $localRepo Installed Repository object.
* @param PackageInterface $mainPackage Main Package object.
* @param InstallationManager $installationManager Manager for installing packages.
* @param string $targetDir Path to the current target directory.
* @param bool $scanPsrPackages Whether or not PSR packages should be converted to a classmap.
* @param string $suffix The autoloader suffix.
*/
public function dump(
Composer $composer,
Config $config,
InstalledRepositoryInterface $localRepo,
PackageInterface $mainPackage,
InstallationManager $installationManager,
$targetDir,
$scanPsrPackages = false,
$suffix = null
) {
$this->filesystem->ensureDirectoryExists( $config->get( 'vendor-dir' ) );
$packageMap = $composer->getAutoloadGenerator()->buildPackageMap( $installationManager, $mainPackage, $localRepo->getCanonicalPackages() );
$autoloads = $this->parseAutoloads( $packageMap, $mainPackage );
// Convert the autoloads into a format that the manifest generator can consume more easily.
$basePath = $this->filesystem->normalizePath( realpath( getcwd() ) );
$vendorPath = $this->filesystem->normalizePath( realpath( $config->get( 'vendor-dir' ) ) );
$processedAutoloads = $this->processAutoloads( $autoloads, $scanPsrPackages, $vendorPath, $basePath );
unset( $packageMap, $autoloads );
// Make sure none of the legacy files remain that can lead to problems with the autoloader.
$this->removeLegacyFiles( $vendorPath );
// Write all of the files now that we're done.
$this->writeAutoloaderFiles( $vendorPath . '/jetpack-autoloader/', $suffix );
$this->writeManifests( $vendorPath . '/' . $targetDir, $processedAutoloads );
if ( ! $scanPsrPackages ) {
$this->io->writeError( '<warning>You are generating an unoptimized autoloader. If this is a production build, consider using the -o option.</warning>' );
}
}
/**
* Compiles an ordered list of namespace => path mappings
*
* @param array $packageMap Array of array(package, installDir-relative-to-composer.json).
* @param PackageInterface $mainPackage Main package instance.
*
* @return array The list of path mappings.
*/
public function parseAutoloads( array $packageMap, PackageInterface $mainPackage ) {
$rootPackageMap = array_shift( $packageMap );
$sortedPackageMap = $this->sortPackageMap( $packageMap );
$sortedPackageMap[] = $rootPackageMap;
array_unshift( $packageMap, $rootPackageMap );
$psr0 = $this->parseAutoloadsType( $packageMap, 'psr-0', $mainPackage );
$psr4 = $this->parseAutoloadsType( $packageMap, 'psr-4', $mainPackage );
$classmap = $this->parseAutoloadsType( array_reverse( $sortedPackageMap ), 'classmap', $mainPackage );
$files = $this->parseAutoloadsType( $sortedPackageMap, 'files', $mainPackage );
krsort( $psr0 );
krsort( $psr4 );
return array(
'psr-0' => $psr0,
'psr-4' => $psr4,
'classmap' => $classmap,
'files' => $files,
);
}
/**
* Sorts packages by dependency weight
*
* Packages of equal weight retain the original order
*
* @param array $packageMap The package map.
*
* @return array
*/
protected function sortPackageMap( array $packageMap ) {
$packages = array();
$paths = array();
foreach ( $packageMap as $item ) {
list( $package, $path ) = $item;
$name = $package->getName();
$packages[ $name ] = $package;
$paths[ $name ] = $path;
}
$sortedPackages = PackageSorter::sortPackages( $packages );
$sortedPackageMap = array();
foreach ( $sortedPackages as $package ) {
$name = $package->getName();
$sortedPackageMap[] = array( $packages[ $name ], $paths[ $name ] );
}
return $sortedPackageMap;
}
/**
* Returns the file identifier.
*
* @param PackageInterface $package The package instance.
* @param string $path The path.
*/
protected function getFileIdentifier( PackageInterface $package, $path ) {
return md5( $package->getName() . ':' . $path );
}
/**
* Returns the path code for the given path.
*
* @param Filesystem $filesystem The filesystem instance.
* @param string $basePath The base path.
* @param string $vendorPath The vendor path.
* @param string $path The path.
*
* @return string The path code.
*/
protected function getPathCode( Filesystem $filesystem, $basePath, $vendorPath, $path ) {
if ( ! $filesystem->isAbsolutePath( $path ) ) {
$path = $basePath . '/' . $path;
}
$path = $filesystem->normalizePath( $path );
$baseDir = '';
if ( 0 === strpos( $path . '/', $vendorPath . '/' ) ) {
$path = substr( $path, strlen( $vendorPath ) );
$baseDir = '$vendorDir';
if ( false !== $path ) {
$baseDir .= ' . ';
}
} else {
$path = $filesystem->normalizePath( $filesystem->findShortestPath( $basePath, $path, true ) );
if ( ! $filesystem->isAbsolutePath( $path ) ) {
$baseDir = '$baseDir . ';
$path = '/' . $path;
}
}
if ( strpos( $path, '.phar' ) !== false ) {
$baseDir = "'phar://' . " . $baseDir;
}
return $baseDir . ( ( false !== $path ) ? var_export( $path, true ) : '' );
}
/**
* This function differs from the composer parseAutoloadsType in that beside returning the path.
* It also return the path and the version of a package.
*
* Supports PSR-4, PSR-0, and classmap parsing.
*
* @param array $packageMap Map of all the packages.
* @param string $type Type of autoloader to use.
* @param PackageInterface $mainPackage Instance of the Package Object.
*
* @return array
*/
protected function parseAutoloadsType( array $packageMap, $type, PackageInterface $mainPackage ) {
$autoloads = array();
foreach ( $packageMap as $item ) {
list($package, $installPath) = $item;
$autoload = $package->getAutoload();
if ( $package === $mainPackage ) {
$autoload = array_merge_recursive( $autoload, $package->getDevAutoload() );
}
if ( null !== $package->getTargetDir() && $package !== $mainPackage ) {
$installPath = substr( $installPath, 0, -strlen( '/' . $package->getTargetDir() ) );
}
if ( in_array( $type, array( 'psr-4', 'psr-0' ), true ) && isset( $autoload[ $type ] ) && is_array( $autoload[ $type ] ) ) {
foreach ( $autoload[ $type ] as $namespace => $paths ) {
$paths = is_array( $paths ) ? $paths : array( $paths );
foreach ( $paths as $path ) {
$relativePath = empty( $installPath ) ? ( empty( $path ) ? '.' : $path ) : $installPath . '/' . $path;
$autoloads[ $namespace ][] = array(
'path' => $relativePath,
'version' => $package->getVersion(), // Version of the class comes from the package - should we try to parse it?
);
}
}
}
if ( 'classmap' === $type && isset( $autoload['classmap'] ) && is_array( $autoload['classmap'] ) ) {
foreach ( $autoload['classmap'] as $paths ) {
$paths = is_array( $paths ) ? $paths : array( $paths );
foreach ( $paths as $path ) {
$relativePath = empty( $installPath ) ? ( empty( $path ) ? '.' : $path ) : $installPath . '/' . $path;
$autoloads[] = array(
'path' => $relativePath,
'version' => $package->getVersion(), // Version of the class comes from the package - should we try to parse it?
);
}
}
}
if ( 'files' === $type && isset( $autoload['files'] ) && is_array( $autoload['files'] ) ) {
foreach ( $autoload['files'] as $paths ) {
$paths = is_array( $paths ) ? $paths : array( $paths );
foreach ( $paths as $path ) {
$relativePath = empty( $installPath ) ? ( empty( $path ) ? '.' : $path ) : $installPath . '/' . $path;
$autoloads[ $this->getFileIdentifier( $package, $path ) ] = array(
'path' => $relativePath,
'version' => $package->getVersion(), // Version of the file comes from the package - should we try to parse it?
);
}
}
}
}
return $autoloads;
}
/**
* Given Composer's autoloads this will convert them to a version that we can use to generate the manifests.
*
* When the $scanPsrPackages argument is true, PSR-4 namespaces are converted to classmaps. When $scanPsrPackages
* is false, PSR-4 namespaces are not converted to classmaps.
*
* PSR-0 namespaces are always converted to classmaps.
*
* @param array $autoloads The autoloads we want to process.
* @param bool $scanPsrPackages Whether or not PSR-4 packages should be converted to a classmap.
* @param string $vendorPath The path to the vendor directory.
* @param string $basePath The path to the current directory.
*
* @return array $processedAutoloads
*/
private function processAutoloads( $autoloads, $scanPsrPackages, $vendorPath, $basePath ) {
$processor = new AutoloadProcessor(
function ( $path, $excludedClasses, $namespace ) use ( $basePath ) {
$dir = $this->filesystem->normalizePath(
$this->filesystem->isAbsolutePath( $path ) ? $path : $basePath . '/' . $path
);
return ClassMapGenerator::createMap(
$dir,
$excludedClasses,
null, // Don't pass the IOInterface since the normal autoload generation will have reported already.
empty( $namespace ) ? null : $namespace
);
},
function ( $path ) use ( $basePath, $vendorPath ) {
return $this->getPathCode( $this->filesystem, $basePath, $vendorPath, $path );
}
);
return array(
'psr-4' => $processor->processPsr4Packages( $autoloads, $scanPsrPackages ),
'classmap' => $processor->processClassmap( $autoloads, $scanPsrPackages ),
'files' => $processor->processFiles( $autoloads ),
);
}
/**
* Removes all of the legacy autoloader files so they don't cause any problems.
*
* @param string $outDir The directory legacy files are written to.
*/
private function removeLegacyFiles( $outDir ) {
$files = array(
'autoload_functions.php',
'class-autoloader-handler.php',
'class-classes-handler.php',
'class-files-handler.php',
'class-plugins-handler.php',
'class-version-selector.php',
);
foreach ( $files as $file ) {
$this->filesystem->remove( $outDir . '/' . $file );
}
}
/**
* Writes all of the autoloader files to disk.
*
* @param string $outDir The directory to write to.
* @param string $suffix The unique autoloader suffix.
*/
private function writeAutoloaderFiles( $outDir, $suffix ) {
$this->io->writeError( "<info>Generating jetpack autoloader ($outDir)</info>" );
// We will remove all autoloader files to generate this again.
$this->filesystem->emptyDirectory( $outDir );
// Write the autoloader files.
AutoloadFileWriter::copyAutoloaderFiles( $this->io, $outDir, $suffix );
}
/**
* Writes all of the manifest files to disk.
*
* @param string $outDir The directory to write to.
* @param array $processedAutoloads The processed autoloads.
*/
private function writeManifests( $outDir, $processedAutoloads ) {
$this->io->writeError( "<info>Generating jetpack autoloader manifests ($outDir)</info>" );
$manifestFiles = array(
'classmap' => 'jetpack_autoload_classmap.php',
'psr-4' => 'jetpack_autoload_psr4.php',
'files' => 'jetpack_autoload_filemap.php',
);
foreach ( $manifestFiles as $key => $file ) {
// Make sure the file doesn't exist so it isn't there if we don't write it.
$this->filesystem->remove( $outDir . '/' . $file );
if ( empty( $processedAutoloads[ $key ] ) ) {
continue;
}
$content = ManifestGenerator::buildManifest( $key, $file, $processedAutoloads[ $key ] );
if ( empty( $content ) ) {
continue;
}
if ( file_put_contents( $outDir . '/' . $file, $content ) ) {
$this->io->writeError( " <info>Generated: $file</info>" );
} else {
$this->io->writeError( " <error>Error: $file</error>" );
}
}
}
}