Merge pull request #160 from prolic/vfs

add vfs autoloader
prolic · Jun 30, 2021 · a5b01f3 · a5b01f3
2 parents e448fc4 + 9681f0c
commit a5b01f3
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Showing 5 changed files with 181 additions and 104 deletions.
diff --git a/bin/fpp b/bin/fpp
@@ -1,4 +1,3 @@
 #!/usr/bin/env php
-
 <?php
 include 'fpp.php';
diff --git a/bin/fpp.php b/bin/fpp.php
@@ -13,50 +13,43 @@
 namespace Fpp;
 
 use Nette\PhpGenerator\PsrPrinter;
-use function Pair;
-use Phunkie\Types\Pair;
+use org\bovigo\vfs\vfsStream;
 
-if (! isset($argv[1])) {
-    echo 'Missing input directory or file argument';
-    exit(1);
-}
-
-$path = $argv[1];
-
-$pwd = \realpath(\getcwd());
+$path1 = \realpath(__DIR__ . '/../../../../');
+$path2 = \realpath(__DIR__ . '/../');
 $vendorName = 'vendor';
 
-if (\file_exists($composerPath = "$pwd/composer.json")) {
-    $composerJson = \json_decode(\file_get_contents($composerPath), true);
-    $vendorName = isset($composerJson['config']['vendor-dir']) ? $composerJson['config']['vendor-dir'] : $vendorName;
+foreach ([$path1, $path2] as $path) {
+    if (\file_exists($composerPath = "$path/composer.json")) {
+        $composerJson = \json_decode(\file_get_contents($composerPath), true);
+        $vendorName = isset($composerJson['config']['vendor-dir']) ? $composerJson['config']['vendor-dir'] : $vendorName;
+    }
+
+    break;
 }
 
-if (! \file_exists("$pwd/$vendorName/autoload.php")) {
+if (! \file_exists("$path/$vendorName/autoload.php")) {
     echo "\033[1;31mYou need to set up the project dependencies using the following commands: \033[0m" . PHP_EOL;
     echo 'curl -s http://getcomposer.org/installer | php' . PHP_EOL;
     echo 'php composer.phar install' . PHP_EOL;
     exit(1);
 }
 
-$autoloader = require "$pwd/$vendorName/autoload.php";
-
-$prefixesPsr4 = $autoloader->getPrefixesPsr4();
-$prefixesPsr0 = $autoloader->getPrefixes();
+$autoloader = require "$path/$vendorName/autoload.php";
 
-$locatePsrPath = function (string $classname) use ($prefixesPsr4, $prefixesPsr0): string {
-    return locatePsrPath($prefixesPsr4, $prefixesPsr0, $classname);
-};
-
-if (\file_exists("$pwd/$vendorName/prolic/fpp/autoload.php")) {
-    $fppAutoloader = "$pwd/$vendorName/prolic/fpp/autoload.php";
+if (\file_exists("$path/$vendorName/prolic/fpp/autoload.php")) {
+    $fppAutoloader = "$path/$vendorName/prolic/fpp/autoload.php";
 } else {
-    $fppAutoloader = "$pwd/autoload.php";
+    $fppAutoloader = "$path/autoload.php";
 }
 
 require_once $fppAutoloader;
 
 $config = [
     'use_strict_types' => true,
+    'source' => '.',
+    'target' => 'composer', // composer or vfs
+    'success_msg' => 'Successfully generated and written to disk',
     'printer' => fn () => (new PsrPrinter())->setTypeResolving(false),
     'file_parser' => parseFile,
     'comment' => 'Generated by prolic/fpp - do not edit !!!',
@@ -88,6 +81,9 @@
 
 return [
     'use_strict_types' => true,
+    'source' => '.',
+    'target' => 'composer', // composer or vfs
+    'success_msg' => 'Successfully generated and written to disk',
     'printer' => fn () => (new PsrPrinter())->setTypeResolving(false),
     'file_parser' => parseFile,
     'comment' => 'Generated by prolic/fpp - do not edit !!!', // put `null` to disable
@@ -109,88 +105,22 @@
 
 CODE;
 
-    \file_put_contents("$pwd/fpp-config.php", $file);
+    \file_put_contents("$path/fpp-config.php", $file);
 
-    echo "Default configuration written to $pwd/fpp-config.php\n";
+    echo "Default configuration written to $path/fpp-config.php\n";
     exit(0);
 }
 
-if (\file_exists("$pwd/fpp-config.php")) {
-    $config = require "$pwd/fpp-config.php";
+if (\file_exists("$path/fpp-config.php")) {
+    $config = require "$path/fpp-config.php";
 }
 
 $config = Configuration::fromArray($config);
 
-$parser = \array_reduce(
-    \array_filter(
-        $config->types(),
-        fn (TypeConfiguration $c) => $c->parse() !== null
-    ),
-    fn (Parser $p, TypeConfiguration $c) => $p->or($c->parse()()),
-    zero()
-);
-
-$definitions = \array_map(
-    fn ($f) => Pair(($config->fileParser())($parser)->run(\file_get_contents($f)), $f),
-    scan(
-        $path
-    )
-);
-
-$definitions = \array_map(
-    function (Pair $p) {
-        $parsed = $p->_1;
-        $filename = $p->_2;
-
-        $p = $parsed[0];
-
-        if ($p->_2 !== '') {
-            echo "\033[1;31mSyntax error at file: $filename\033[0m" . PHP_EOL;
-            echo $p->_2;
-            exit(1);
-        }
-
-        return $p->_1;
-    },
-    $definitions
-);
-
-$definitions = \array_reduce(
-    $definitions,
-    fn (array $l, array $nds) => \array_merge($l, $nds),
-    []
-);
-
-$definitions = \array_reduce(
-    $definitions,
-    function (array $ds, array $nds) {
-        foreach ($nds as $n => $d) {
-            $ds[$n] = $d;
-        }
-
-        return $ds;
-    },
-    [],
-);
-
-$dumpedDefinitions = [];
-
-foreach ($definitions as $name => $definition) {
-    $dumpedDefinitions[$name] = dump($definition, $definitions, $config);
-}
-
-foreach ($dumpedDefinitions as $name => $files) {
-    foreach ($files as $fqcn => $code) {
-        $filename = $locatePsrPath($fqcn);
-        $directory = \dirname($filename);
+$locatePath = $config->target() === 'vfs'
+    ? $config->locatePathFromVfs(vfsStream::setup('quote-exchange-vfs'))
+    : $config->locatePathFromComposer($autoloader);
 
-        if (! \is_dir($directory)) {
-            \mkdir($directory, 0777, true);
-        }
-
-        \file_put_contents($filename, $code);
-    }
-}
+runFpp($config, $config->source(), $locatePath);
 
-echo "Successfully generated and written to disk\n";
-exit(0);
+echo $config->successMessage() . "\n";
diff --git a/composer.json b/composer.json
@@ -12,7 +12,8 @@
     "php": "^7.4",
     "phunkie/phunkie": "^0.11.1",
     "nette/php-generator": "^3.4.0",
-    "nette/utils": "^3.1.2"
+    "nette/utils": "^3.1.2",
+    "mikey179/vfsstream": "^1.6.8"
   },
   "require-dev": {
     "kahlan/kahlan": "^4.7.5",

diff --git a/src/Configuration.php b/src/Configuration.php
@@ -13,22 +13,42 @@
 namespace Fpp;
 
 use Closure;
+use Composer\Autoload\ClassLoader;
 use InvalidArgumentException;
+use org\bovigo\vfs\vfsStreamDirectory;
 use RuntimeException;
 
 class Configuration
 {
+    private const availableTargets = ['composer', 'vfs'];
+
     private bool $useStrictTypes;
+    private string $source;
+    private string $target;
+    private string $successMessage;
     private Closure $printer;
     private Closure $fileParser;
     private ?string $comment;
     /** @var array<class-string,TypeConfiguration> */
     private array $types;
 
     /** @param array<class-string,TypeConfiguration> $types */
-    public function __construct(bool $useStrictTypes, callable $printer, callable $fileParser, ?string $comment, array $types)
+    public function __construct(bool $useStrictTypes, string $source, string $target, string $successMessage, callable $printer, callable $fileParser, ?string $comment, array $types)
     {
+        if (! \in_array($target, self::availableTargets)) {
+            throw new InvalidArgumentException(
+                \sprintf(
+                    'Target must be one of %s, %s given',
+                    \implode(' or ', self::availableTargets),
+                    $target
+                )
+            );
+        }
+
         $this->useStrictTypes = $useStrictTypes;
+        $this->source = $source;
+        $this->target = $target;
+        $this->successMessage = $successMessage;
         $this->printer = Closure::fromCallable($printer);
         $this->fileParser = Closure::fromCallable($fileParser);
         $this->comment = $comment;
@@ -37,14 +57,17 @@ public function __construct(bool $useStrictTypes, callable $printer, callable $f
 
     public static function fromArray(array $data): self
     {
-        if (! isset($data['use_strict_types'], $data['printer'], $data['file_parser'], $data['comment'], $data['types'])) {
+        if (! isset($data['use_strict_types'], $data['source'], $data['target'], $data['success_msg'], $data['printer'], $data['file_parser'], $data['comment'], $data['types'])) {
             throw new InvalidArgumentException(
                 'Missing keys in array configuration'
             );
         }
 
         return new self(
             $data['use_strict_types'],
+            $data['source'],
+            $data['target'],
+            $data['success_msg'],
             $data['printer'],
             $data['file_parser'],
             $data['comment'],
@@ -147,6 +170,38 @@ public function useStrictTypes(): bool
         return $this->useStrictTypes;
     }
 
+    public function source(): string
+    {
+        return $this->source;
+    }
+
+    public function target(): string
+    {
+        return $this->target;
+    }
+
+    public function locatePathFromComposer(ClassLoader $classLoader): Closure
+    {
+        $prefixesPsr4 = $classLoader->getPrefixesPsr4();
+        $prefixesPsr0 = $classLoader->getPrefixes();
+
+        return function (string $classname) use ($prefixesPsr4, $prefixesPsr0): string {
+            return locatePsrPath($prefixesPsr4, $prefixesPsr0, $classname);
+        };
+    }
+
+    public function locatePathFromVfs(vfsStreamDirectory $directory): Closure
+    {
+        return function (string $classname) use ($directory) {
+            return $directory->url() . DIRECTORY_SEPARATOR . \strtr($classname, '\\', DIRECTORY_SEPARATOR) . '.php';
+        };
+    }
+
+    public function successMessage(): string
+    {
+        return $this->successMessage;
+    }
+
     public function printer(): Closure
     {
         return $this->printer;

diff --git a/src/Functions/fpp.php b/src/Functions/fpp.php
@@ -15,8 +15,100 @@
 use Fpp\Type\Data\Data;
 use Fpp\Type\Enum\Enum;
 use Nette\PhpGenerator\PhpFile;
+use org\bovigo\vfs\vfsStreamDirectory;
 use Phunkie\Types\Pair;
 
+const runFpp = 'Fpp\runFpp';
+
+function runFpp(Configuration $config, string $path, \Closure $locatePath)
+{
+    $parser = \array_reduce(
+        \array_filter(
+            $config->types(),
+            fn (TypeConfiguration $c) => $c->parse() !== null
+        ),
+        fn (Parser $p, TypeConfiguration $c) => $p->or($c->parse()()),
+        zero()
+    );
+
+    $definitions = \array_map(
+        fn ($f) => Pair(($config->fileParser())($parser)->run(\file_get_contents($f)), $f),
+        scan(
+            $path
+        )
+    );
+
+    $definitions = \array_map(
+        function (Pair $p) {
+            $parsed = $p->_1;
+            $filename = $p->_2;
+
+            $p = $parsed[0];
+
+            if ($p->_2 !== '') {
+                echo "\033[1;31mSyntax error at file: $filename\033[0m" . PHP_EOL;
+                echo $p->_2;
+                exit(1);
+            }
+
+            return $p->_1;
+        },
+        $definitions
+    );
+
+    $definitions = \array_reduce(
+        $definitions,
+        fn (array $l, array $nds) => \array_merge($l, $nds),
+        []
+    );
+
+    $definitions = \array_reduce(
+        $definitions,
+        function (array $ds, array $nds) {
+            foreach ($nds as $n => $d) {
+                $ds[$n] = $d;
+            }
+
+            return $ds;
+        },
+        [],
+    );
+
+    $dumpedDefinitions = [];
+
+    foreach ($definitions as $name => $definition) {
+        $dumpedDefinitions[$name] = dump($definition, $definitions, $config);
+    }
+
+    foreach ($dumpedDefinitions as $name => $files) {
+        foreach ($files as $fqcn => $code) {
+            $filename = $locatePath($fqcn);
+            $directory = \dirname($filename);
+
+            if (! \is_dir($directory)) {
+                \mkdir($directory, 0777, true);
+            }
+
+            \file_put_contents($filename, $code);
+        }
+    }
+}
+
+const registerVfsAutoloader = 'Fpp\registerVfsAutoloader';
+
+function registerVfsAutoloader(vfsStreamDirectory $vfs)
+{
+    \spl_autoload_register(
+        function (string $className) use ($vfs) {
+            $file = $vfs->url() . DIRECTORY_SEPARATOR . \strtr($className, '\\', DIRECTORY_SEPARATOR) . '.php';
+
+            if (\file_exists($file)) {
+                require_once $file;
+            }
+        }
+    );
+}
+
 const flatMap = 'Fpp\flatMap';
 
 function flatMap(callable $f, array $arr): array