[COMPOSER] Add new php-ffmpeg package

vendor/phpunit/php-code-coverage/src/Driver/Xdebug.php

@@ -0,0 +1,112 @@
+<?php declare(strict_types=1);
+/*
+ * This file is part of the php-code-coverage package.
+ *
+ * (c) Sebastian Bergmann <sebastian@phpunit.de>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+namespace SebastianBergmann\CodeCoverage\Driver;
+
+use SebastianBergmann\CodeCoverage\Filter;
+use SebastianBergmann\CodeCoverage\RuntimeException;
+
+/**
+ * Driver for Xdebug's code coverage functionality.
+ *
+ * @codeCoverageIgnore
+ */
+final class Xdebug implements Driver
+{
+    /**
+     * @var array
+     */
+    private $cacheNumLines = [];
+
+    /**
+     * @var Filter
+     */
+    private $filter;
+
+    /**
+     * @throws RuntimeException
+     */
+    public function __construct(Filter $filter = null)
+    {
+        if (!\extension_loaded('xdebug')) {
+            throw new RuntimeException('This driver requires Xdebug');
+        }
+
+        if (!\ini_get('xdebug.coverage_enable')) {
+            throw new RuntimeException('xdebug.coverage_enable=On has to be set in php.ini');
+        }
+
+        if ($filter === null) {
+            $filter = new Filter;
+        }
+
+        $this->filter = $filter;
+    }
+
+    /**
+     * Start collection of code coverage information.
+     */
+    public function start(bool $determineUnusedAndDead = true): void
+    {
+        if ($determineUnusedAndDead) {
+            \xdebug_start_code_coverage(XDEBUG_CC_UNUSED | XDEBUG_CC_DEAD_CODE);
+        } else {
+            \xdebug_start_code_coverage();
+        }
+    }
+
+    /**
+     * Stop collection of code coverage information.
+     */
+    public function stop(): array
+    {
+        $data = \xdebug_get_code_coverage();
+
+        \xdebug_stop_code_coverage();
+
+        return $this->cleanup($data);
+    }
+
+    private function cleanup(array $data): array
+    {
+        foreach (\array_keys($data) as $file) {
+            unset($data[$file][0]);
+
+            if (!$this->filter->isFile($file)) {
+                continue;
+            }
+
+            $numLines = $this->getNumberOfLinesInFile($file);
+
+            foreach (\array_keys($data[$file]) as $line) {
+                if ($line > $numLines) {
+                    unset($data[$file][$line]);
+                }
+            }
+        }
+
+        return $data;
+    }
+
+    private function getNumberOfLinesInFile(string $fileName): int
+    {
+        if (!isset($this->cacheNumLines[$fileName])) {
+            $buffer = \file_get_contents($fileName);
+            $lines  = \substr_count($buffer, "\n");
+
+            if (\substr($buffer, -1) !== "\n") {
+                $lines++;
+            }
+
+            $this->cacheNumLines[$fileName] = $lines;
+        }
+
+        return $this->cacheNumLines[$fileName];
+    }
+}