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vendor/bacon/bacon-qr-code/src/BaconQrCode/Common/EcBlocks.php

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+<?php
+/**
+ * BaconQrCode
+ *
+ * @link      http://github.com/Bacon/BaconQrCode For the canonical source repository
+ * @copyright 2013 Ben 'DASPRiD' Scholzen
+ * @license   http://opensource.org/licenses/BSD-2-Clause Simplified BSD License
+ */
+
+namespace BaconQrCode\Common;
+
+use SplFixedArray;
+
+/**
+ * Encapsulates a set of error-correction blocks in one symbol version. Most
+ * versions will use blocks of differing sizes within one version, so, this
+ * encapsulates the parameters for each set of blocks. It also holds the number
+ * of error-correction codewords per block since it will be the same across all
+ * blocks within one version.
+ */
+class EcBlocks
+{
+    /**
+     * Number of EC codewords per block.
+     *
+     * @var integer
+     */
+    protected $ecCodewordsPerBlock;
+
+    /**
+     * List of EC blocks.
+     *
+     * @var SplFixedArray
+     */
+    protected $ecBlocks;
+
+    /**
+     * Creates a new EC blocks instance.
+     *
+     * @param integer      $ecCodewordsPerBlock
+     * @param EcBlock      $ecb1
+     * @param EcBlock|null $ecb2
+     */
+    public function __construct($ecCodewordsPerBlock, EcBlock $ecb1, EcBlock $ecb2 = null)
+    {
+        $this->ecCodewordsPerBlock = $ecCodewordsPerBlock;
+
+        $this->ecBlocks = new SplFixedArray($ecb2 === null ? 1 : 2);
+        $this->ecBlocks[0] = $ecb1;
+
+        if ($ecb2 !== null) {
+            $this->ecBlocks[1] = $ecb2;
+        }
+    }
+
+    /**
+     * Gets the number of EC codewords per block.
+     *
+     * @return integer
+     */
+    public function getEcCodewordsPerBlock()
+    {
+        return $this->ecCodewordsPerBlock;
+    }
+
+    /**
+     * Gets the total number of EC block appearances.
+     *
+     * @return integer
+     */
+    public function getNumBlocks()
+    {
+        $total = 0;
+
+        foreach ($this->ecBlocks as $ecBlock) {
+            $total += $ecBlock->getCount();
+        }
+
+        return $total;
+    }
+
+    /**
+     * Gets the total count of EC codewords.
+     *
+     * @return integer
+     */
+    public function getTotalEcCodewords()
+    {
+        return $this->ecCodewordsPerBlock * $this->getNumBlocks();
+    }
+
+    /**
+     * Gets the EC blocks included in this collection.
+     *
+     * @return SplFixedArray
+     */
+    public function getEcBlocks()
+    {
+        return $this->ecBlocks;
+    }
+}