wip

Author: petrknap

composer.json

@@ -15,7 +15,7 @@
     "sort-packages": true
   },
   "conflict": {
-    "symfony/process": "<6|>=8"
+    "petrknap/xz-utils": "<1|>=2"
   },
   "description": "Library for work with binary data and objects",
   "funding": [
@@ -52,10 +52,10 @@
     "ext-mbstring": "*",
     "ext-zlib": "*",
     "nunomaduro/phpinsights": "^2.11",
+    "petrknap/xz-utils": "*",
     "phpstan/phpstan": "^1.12",
     "phpunit/phpunit": "^10.5",
-    "squizlabs/php_codesniffer": "^3.7",
-    "symfony/process": "*"
+    "squizlabs/php_codesniffer": "^3.7"
   },
   "scripts": {
     "test": "@test-implementation",
@@ -82,6 +82,6 @@
     "ext-igbinary": "Required to serialize data via igbinary",
     "ext-mbstring": "Required to bite bytes",
     "ext-zlib": "Required to compress data",
-    "symfony/process": "Required to call external executables"
+    "petrknap/xz-utils": "Required to compress data"
   }
 }

src/Coder/ExternalCoder.php

@@ -4,19 +4,42 @@
 
 namespace PetrKnap\Binary\Coder;
 
-final class Xz extends ExternalCoder
+use PetrKnap\Shorts\HasRequirements;
+use PetrKnap\XzUtils\Xz as XzUtil;
+
+final class Xz extends Coder
 {
-    public function encode(string $decoded, int|null $level = null): string
+    use HasRequirements;
+
+    private int|null $compressionPreset;
+
+    public function __construct()
+    {
+        self::checkRequirements(
+            classes: [
+                XzUtil::class,
+            ],
+        );
+    }
+
+    public function encode(string $decoded, int|null $compressionPreset = null): string
     {
-        $this->encodeCommand = ['xz', '--compress', '--stdout'];
-        if ($level !== null) {
-            $this->encodeCommand[] = "-{$level}";
-        }
+        $this->compressionPreset = $compressionPreset;
         return parent::encode($decoded);
     }
-    public function decode(string $encoded): string
+
+    protected function doEncode(string $decoded): string
+    {
+        return (new XzUtil())->compress(
+            data: $decoded,
+            compressionPreset: $this->compressionPreset,
+        );
+    }
+
+    protected function doDecode(string $encoded): string
     {
-        $this->decodeCommand = ['xz', '--decompress', '--stdout'];
-        return parent::decode($encoded);
+        return (new XzUtil())->decompress(
+            data: $encoded,
+        );
     }
 }

src/Coder/Xz.php

@@ -12,20 +12,20 @@ public static function data(): array
     {
         $data = self::getDecodedData();
         return [
-            'default preset' => [$data, base64_decode('/Td6WFoAAATm1rRGAgAhARYAAAB0L+Wj4AA7ABxdAG0OUG7jCUfPj0z08gJbP9KgthIHS/jgLMk44AAAwVvY3vTzsZsAATg8V3V2GB+2830BAAAAAARZWg=='), null],
-            'preset 0' => [$data, base64_decode('/Td6WFoAAATm1rRGAgAhAQwAAACPmEGc4AA7ABxdAG0OUG7jCUfPj0z08gJbP9KgthIHS/jgLMk44AAAwVvY3vTzsZsAATg8V3V2GB+2830BAAAAAARZWg=='), 0],
-            'preset 9' => [$data, base64_decode('/Td6WFoAAATm1rRGAgAhARwAAAAQz1jM4AA7ABxdAG0OUG7jCUfPj0z08gJbP9KgthIHS/jgLMk44AAAwVvY3vTzsZsAATg8V3V2GB+2830BAAAAAARZWg=='), 9],
+            'default compression preset' => [$data, base64_decode('/Td6WFoAAATm1rRGAgAhARYAAAB0L+Wj4AA7ABxdAG0OUG7jCUfPj0z08gJbP9KgthIHS/jgLMk44AAAwVvY3vTzsZsAATg8V3V2GB+2830BAAAAAARZWg=='), null],
+            'compression preset 0' => [$data, base64_decode('/Td6WFoAAATm1rRGAgAhAQwAAACPmEGc4AA7ABxdAG0OUG7jCUfPj0z08gJbP9KgthIHS/jgLMk44AAAwVvY3vTzsZsAATg8V3V2GB+2830BAAAAAARZWg=='), 0],
+            'compression preset 9' => [$data, base64_decode('/Td6WFoAAATm1rRGAgAhARwAAAAQz1jM4AA7ABxdAG0OUG7jCUfPj0z08gJbP9KgthIHS/jgLMk44AAAwVvY3vTzsZsAATg8V3V2GB+2830BAAAAAARZWg=='), 9],
         ];
     }
 
     #[DataProvider('data')]
-    public function testEncodes(string $decoded, string $encoded, int|null $level): void
+    public function testEncodes(string $decoded, string $encoded, int|null $compressionPreset): void
     {
         self::assertBinarySame(
             $encoded,
             (new Xz())->encode(
                 $decoded,
-                level: $level,
+                compressionPreset: $compressionPreset,
             ),
         );
     }