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src/Common/ECICharset.php

@@ -3,9 +3,10 @@
  * Class ECICharset
  *
  * @created      21.01.2021
+ * @author       ZXing Authors
  * @author       smiley <smiley@chillerlan.net>
  * @copyright    2021 smiley
- * @license      MIT
+ * @license      Apache-2.0
  */
 
 namespace chillerlan\QRCode\Common;

src/Common/EccLevel.php

@@ -143,6 +143,9 @@ final class EccLevel{
 	/**
 	 * @param int $eccLevel containing the two bits encoding a QR Code's error correction level
 	 *
+	 * @todo: accept string values (PHP8+)
+	 * @see https://github.com/chillerlan/php-qrcode/discussions/160
+	 *
 	 * @throws \chillerlan\QRCode\QRCodeException
 	 */
 	public function __construct(int $eccLevel){

src/Common/Mode.php

@@ -14,7 +14,7 @@ use chillerlan\QRCode\Data\{AlphaNum, Byte, Hanzi, Kanji, Number};
 use chillerlan\QRCode\QRCodeException;
 
 /**
- * ISO 18004:2006, 6.4.1, Tables 2 and 3
+ * Data mode information - ISO 18004:2006, 6.4.1, Tables 2 and 3
  */
 final class Mode{
 

src/Common/ReedSolomonDecoder.php

@@ -15,7 +15,7 @@ use chillerlan\QRCode\QRCodeException;
 use function array_fill, array_reverse, count;
 
 /**
- * Implements Reed-Solomon decoding, as the name implies.
+ * Implements Reed-Solomon decoding
  *
  * The algorithm will not be explained here, but the following references were helpful
  * in creating this implementation:

src/Common/ReedSolomonEncoder.php

@@ -13,7 +13,7 @@ namespace chillerlan\QRCode\Common;
 use function array_fill, array_merge, count, max;
 
 /**
- * ISO/IEC 18004:2000 Section 8.5 ff
+ * Reed-Solomon encoding - ISO/IEC 18004:2000 Section 8.5 ff
  *
  * @see http://www.thonky.com/qr-code-tutorial/error-correction-coding
  */

src/Data/Byte.php

@@ -15,7 +15,7 @@ use chillerlan\QRCode\Common\{BitBuffer, Mode};
 use function chr, ord;
 
 /**
- * Byte mode, ISO-8859-1 or UTF-8
+ * 8-bit Byte mode, ISO-8859-1 or UTF-8
  *
  * ISO/IEC 18004:2000 Section 8.3.4
  * ISO/IEC 18004:2000 Section 8.4.4

src/Data/QRData.php

@@ -96,7 +96,7 @@ final class QRData{
 	 * Sets a BitBuffer object
 	 *
 	 * This can be used instead of setData(), however, the version auto-detection is not available in this case.
-	 * The version needs match the length bits range for the data mode the data has been encoded with,
+	 * The version needs to match the length bits range for the data mode the data has been encoded with,
 	 * additionally the bit array needs to contain enough pad bits.
 	 *
 	 * @throws \chillerlan\QRCode\Data\QRCodeDataException

src/Data/QRMatrix.php

@@ -14,7 +14,7 @@ use chillerlan\QRCode\Common\{BitBuffer, EccLevel, MaskPattern, ReedSolomonEncod
 use function array_fill, count, floor, range;
 
 /**
- * Holds a numerical representation of the final QR Code;
+ * Holds an array representation of the final QR Code that contains numerical values for later output modifications;
  * maps the ECC coded binary data and applies the mask pattern
  *
  * @see http://www.thonky.com/qr-code-tutorial/format-version-information

src/Decoder/BitMatrix.php

@@ -61,7 +61,7 @@ final class BitMatrix extends QRMatrix{
 		0x2BED, // 0010101111101101
 	];
 
-	private const FORMAT_INFO_MASK_QR = 0x5412;
+	private const FORMAT_INFO_MASK_QR = 0x5412; // 0101010000010010
 
 	private bool $mirror = false;
 

src/Decoder/LuminanceSourceAbstract.php

@@ -18,10 +18,7 @@ use function array_slice, array_splice, file_exists, is_file, is_readable, realp
 
 /**
  * The purpose of this class hierarchy is to abstract different bitmap implementations across
- * platforms into a standard interface for requesting greyscale luminance values. The interface
- * only provides immutable methods; therefore crop and rotation create copies. This is to ensure
- * that one Reader does not modify the original luminance source and leave it in an unknown state
- * for other Readers in the chain.
+ * platforms into a standard interface for requesting greyscale luminance values.
  *
  * @author dswitkin@google.com (Daniel Switkin)
  */

src/QRCode.php

@@ -164,7 +164,7 @@ class QRCode{
 	protected SettingsContainerInterface $options;
 
 	/**
-	 * A collection of one or more data segments of [classname, data] to write
+	 * A collection of one or more data segments of QRDataModeInterface instances to write
 	 *
 	 * @var \chillerlan\QRCode\Data\QRDataModeInterface[]
 	 */
@@ -338,8 +338,10 @@ class QRCode{
 	 * ISO/IEC 18004:2000 8.3.6 - Mixing modes
 	 * ISO/IEC 18004:2000 Annex H - Optimisation of bit stream length
 	 */
-	public function addSegment(QRDataModeInterface $segment):void{
+	public function addSegment(QRDataModeInterface $segment):self{
 		$this->dataSegments[] = $segment;
+
+		return $this;
 	}
 
 	/**
@@ -359,9 +361,7 @@ class QRCode{
 	 * ISO/IEC 18004:2000 8.3.2 - Numeric Mode
 	 */
 	public function addNumericSegment(string $data):self{
-		$this->addSegment(new Number($data));
-
-		return $this;
+		return $this->addSegment(new Number($data));
 	}
 
 	/**
@@ -370,9 +370,7 @@ class QRCode{
 	 * ISO/IEC 18004:2000 8.3.3 - Alphanumeric Mode
 	 */
 	public function addAlphaNumSegment(string $data):self{
-		$this->addSegment(new AlphaNum($data));
-
-		return $this;
+		return $this->addSegment(new AlphaNum($data));
 	}
 
 	/**
@@ -381,9 +379,7 @@ class QRCode{
 	 * ISO/IEC 18004:2000 8.3.5 - Kanji Mode
 	 */
 	public function addKanjiSegment(string $data):self{
-		$this->addSegment(new Kanji($data));
-
-		return $this;
+		return $this->addSegment(new Kanji($data));
 	}
 
 	/**
@@ -392,9 +388,7 @@ class QRCode{
 	 * GBT18284-2000 Hanzi Mode
 	 */
 	public function addHanziSegment(string $data):self{
-		$this->addSegment(new Hanzi($data));
-
-		return $this;
+		return $this->addSegment(new Hanzi($data));
 	}
 
 	/**
@@ -403,9 +397,7 @@ class QRCode{
 	 * ISO/IEC 18004:2000 8.3.4 - 8-bit Byte Mode
 	 */
 	public function addByteSegment(string $data):self{
-		$this->addSegment(new Byte($data));
-
-		return $this;
+		return $this->addSegment(new Byte($data));
 	}
 
 	/**
@@ -416,9 +408,7 @@ class QRCode{
 	 * ISO/IEC 18004:2000 8.3.1 - Extended Channel Interpretation (ECI) Mode
 	 */
 	public function addEciDesignator(int $encoding):self{
-		$this->addSegment(new ECI($encoding));
-
-		return $this;
+		return $this->addSegment(new ECI($encoding));
 	}
 
 	/**
@@ -438,12 +428,11 @@ class QRCode{
 		// convert the string to the given charset
 		if($eciCharsetName !== null){
 			$data = mb_convert_encoding($data, $eciCharsetName, mb_internal_encoding());
-			$this
+
+			return $this
 				->addEciDesignator($eciCharset->getID())
 				->addByteSegment($data)
 			;
-
-			return $this;
 		}
 
 		throw new QRCodeException('unable to add ECI segment');

src/QROptionsTrait.php

@@ -49,6 +49,9 @@ trait QROptionsTrait{
 	 *   - M => 15%
 	 *   - Q => 25%
 	 *   - H => 30%
+	 *
+	 * @todo: accept string values (PHP8+)
+	 * @see https://github.com/chillerlan/php-qrcode/discussions/160
 	 */
 	protected int $eccLevel = EccLevel::L;