1 files changed, 96 insertions, 0 deletions
diff --git a/vendor/chillerlan/php-qrcode/src/Common/Mode.php b/vendor/chillerlan/php-qrcode/src/Common/Mode.php
new file mode 100644
index 000000000..523d37919
--- /dev/null
+++ b/vendor/chillerlan/php-qrcode/src/Common/Mode.php
@@ -0,0 +1,96 @@
+<?php
+/**
+ * Class Mode
+ *
+ * @created      19.11.2020
+ * @author       smiley <smiley@chillerlan.net>
+ * @copyright    2020 smiley
+ * @license      MIT
+ */
+
+namespace chillerlan\QRCode\Common;
+
+use chillerlan\QRCode\Data\{AlphaNum, Byte, Hanzi, Kanji, Number};
+use chillerlan\QRCode\QRCodeException;
+
+/**
+ * Data mode information - ISO 18004:2006, 6.4.1, Tables 2 and 3
+ */
+final class Mode{
+
+	// ISO/IEC 18004:2000 Table 2
+
+	/** @var int */
+	public const TERMINATOR       = 0b0000;
+	/** @var int */
+	public const NUMBER           = 0b0001;
+	/** @var int */
+	public const ALPHANUM         = 0b0010;
+	/** @var int */
+	public const BYTE             = 0b0100;
+	/** @var int */
+	public const KANJI            = 0b1000;
+	/** @var int */
+	public const HANZI            = 0b1101;
+	/** @var int */
+	public const STRCTURED_APPEND = 0b0011;
+	/** @var int */
+	public const FNC1_FIRST       = 0b0101;
+	/** @var int */
+	public const FNC1_SECOND      = 0b1001;
+	/** @var int */
+	public const ECI              = 0b0111;
+
+	/**
+	 * mode length bits for the version breakpoints 1-9, 10-26 and 27-40
+	 *
+	 * ISO/IEC 18004:2000 Table 3 - Number of bits in Character Count Indicator
+	 */
+	public const LENGTH_BITS = [
+		self::NUMBER   => [10, 12, 14],
+		self::ALPHANUM => [ 9, 11, 13],
+		self::BYTE     => [ 8, 16, 16],
+		self::KANJI    => [ 8, 10, 12],
+		self::HANZI    => [ 8, 10, 12],
+		self::ECI      => [ 0,  0,  0],
+	];
+
+	/**
+	 * Map of data mode => interface (detection order)
+	 *
+	 * @var string[]
+	 */
+	public const INTERFACES = [
+		self::NUMBER   => Number::class,
+		self::ALPHANUM => AlphaNum::class,
+		self::KANJI    => Kanji::class,
+		self::HANZI    => Hanzi::class,
+		self::BYTE     => Byte::class,
+	];
+
+	/**
+	 * returns the length bits for the version breakpoints 1-9, 10-26 and 27-40
+	 *
+	 * @throws \chillerlan\QRCode\QRCodeException
+	 */
+	public static function getLengthBitsForVersion(int $mode, int $version):int{
+
+		if(!isset(self::LENGTH_BITS[$mode])){
+			throw new QRCodeException('invalid mode given');
+		}
+
+		$minVersion = 0;
+
+		foreach([9, 26, 40] as $key => $breakpoint){
+
+			if($version > $minVersion && $version <= $breakpoint){
+				return self::LENGTH_BITS[$mode][$key];
+			}
+
+			$minVersion = $breakpoint;
+		}
+
+		throw new QRCodeException(sprintf('invalid version number: %d', $version));
+	}
+
+}