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Code Issues Releases Wiki Activity

Refactorin input handler chain building process

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This commit is contained in:
Oliver Vogel
2023-09-30 10:19:01 +02:00
parent cdee873d8a
commit 78b968a28c
3 changed files with 58 additions and 47 deletions
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35
src/Drivers/Abstract/AbstractInputHandler.php
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@@ -3,13 +3,46 @@
namespace Intervention\Image\Drivers\Abstract; namespace Intervention\Image\Drivers\Abstract;
use Intervention\Image\Drivers\Abstract\Decoders\AbstractDecoder; use Intervention\Image\Drivers\Abstract\Decoders\AbstractDecoder;
use Intervention\Image\Exceptions\DecoderException;
use Intervention\Image\Interfaces\ColorInterface; use Intervention\Image\Interfaces\ColorInterface;
use Intervention\Image\Interfaces\ImageInterface; use Intervention\Image\Interfaces\ImageInterface;
abstract class AbstractInputHandler abstract class AbstractInputHandler
{ {
abstract protected function chain(): AbstractDecoder; /**
* Array of decoders which will be stacked into to the input handler chain
*/
protected $decoders = [];
/**
* Stack the decoder array into a nested decoder object
*
* @return AbstractDecoder
*/
protected function chain(): AbstractDecoder
{
if (count($this->decoders) == 0) {
throw new DecoderException('No decoders found in ' . get_class($this));
}
// get instance of last decoder in stack
list($classname) = array_slice(array_reverse($this->decoders), 0, 1);
$chain = new $classname();
// build decoder chain
foreach (array_slice(array_reverse($this->decoders), 1) as $classname) {
$chain = new $classname($chain);
}
return $chain;
}
/**
* Try to decode the given input with each decoder of the the handler chain
*
* @param mixed $var
* @return ImageInterface|ColorInterface
*/
public function handle($input): ImageInterface|ColorInterface public function handle($input): ImageInterface|ColorInterface
{ {
return $this->chain()->handle($input); return $this->chain()->handle($input);

35
src/Drivers/Gd/InputHandler.php
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@@ -3,30 +3,19 @@
namespace Intervention\Image\Drivers\Gd; namespace Intervention\Image\Drivers\Gd;
use Intervention\Image\Drivers\Abstract\AbstractInputHandler; use Intervention\Image\Drivers\Abstract\AbstractInputHandler;
use Intervention\Image\Drivers\Abstract\Decoders\AbstractDecoder;
class InputHandler extends AbstractInputHandler class InputHandler extends AbstractInputHandler
{ {
protected function chain(): AbstractDecoder protected $decoders = [
{ Decoders\ImageObjectDecoder::class,
return new Decoders\ImageObjectDecoder( Decoders\ArrayColorDecoder::class,
new Decoders\ArrayColorDecoder( Decoders\HtmlColorNameDecoder::class,
new Decoders\HtmlColorNameDecoder( Decoders\RgbStringColorDecoder::class,
new Decoders\RgbStringColorDecoder( Decoders\HexColorDecoder::class,
new Decoders\HexColorDecoder( Decoders\TransparentColorDecoder::class,
new Decoders\TransparentColorDecoder( Decoders\FilePathImageDecoder::class,
new Decoders\FilePathImageDecoder( Decoders\BinaryImageDecoder::class,
new Decoders\BinaryImageDecoder( Decoders\DataUriImageDecoder::class,
new Decoders\DataUriImageDecoder( Decoders\Base64ImageDecoder::class,
new Decoders\Base64ImageDecoder() ];
)
)
)
)
)
)
)
)
);
}
} }

35
src/Drivers/Imagick/InputHandler.php
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@@ -3,30 +3,19 @@
namespace Intervention\Image\Drivers\Imagick; namespace Intervention\Image\Drivers\Imagick;
use Intervention\Image\Drivers\Abstract\AbstractInputHandler; use Intervention\Image\Drivers\Abstract\AbstractInputHandler;
use Intervention\Image\Drivers\Abstract\Decoders\AbstractDecoder;
class InputHandler extends AbstractInputHandler class InputHandler extends AbstractInputHandler
{ {
protected function chain(): AbstractDecoder protected $decoders = [
{ Decoders\ImageObjectDecoder::class,
return new Decoders\ImageObjectDecoder( Decoders\ArrayColorDecoder::class,
new Decoders\ArrayColorDecoder( Decoders\HexColorDecoder::class,
new Decoders\HexColorDecoder( Decoders\HtmlColorNameDecoder::class,
new Decoders\HtmlColorNameDecoder( Decoders\RgbStringColorDecoder::class,
new Decoders\RgbStringColorDecoder( Decoders\TransparentColorDecoder::class,
new Decoders\TransparentColorDecoder( Decoders\FilePathImageDecoder::class,
new Decoders\FilePathImageDecoder( Decoders\BinaryImageDecoder::class,
new Decoders\BinaryImageDecoder( Decoders\DataUriImageDecoder::class,
new Decoders\DataUriImageDecoder( Decoders\Base64ImageDecoder::class
new Decoders\Base64ImageDecoder() ];
)
)
)
)
)
)
)
)
);
}
} }