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msd2/tracking/piwik/core/Container/IniConfigDefinitionSource.php

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+<?php
+/**
+ * Piwik - free/libre analytics platform
+ *
+ * @link http://piwik.org
+ * @license http://www.gnu.org/licenses/gpl-3.0.html GPL v3 or later
+ */
+
+namespace Piwik\Container;
+
+use DI\Definition\Exception\DefinitionException;
+use DI\Definition\Source\DefinitionSource;
+use DI\Definition\ValueDefinition;
+use Piwik\Application\Kernel\GlobalSettingsProvider;
+
+/**
+ * Expose the INI config into PHP-DI.
+ *
+ * The INI config can be used by prefixing `ini.` before the setting we want to get:
+ *
+ *     $maintenanceMode = $container->get('ini.General.maintenance_mode');
+ */
+class IniConfigDefinitionSource implements DefinitionSource
+{
+    /**
+     * @var GlobalSettingsProvider
+     */
+    private $config;
+
+    /**
+     * @var string
+     */
+    private $prefix;
+
+    /**
+     * @param GlobalSettingsProvider $config
+     * @param string $prefix Prefix for the container entries.
+     */
+    public function __construct(GlobalSettingsProvider $config, $prefix = 'ini.')
+    {
+        $this->config = $config;
+        $this->prefix = $prefix;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getDefinition($name)
+    {
+        if (strpos($name, $this->prefix) !== 0) {
+            return null;
+        }
+
+        list($sectionName, $configKey) = $this->parseEntryName($name);
+
+        $section = $this->getSection($sectionName);
+
+        if ($configKey === null) {
+            return new ValueDefinition($name, $section);
+        }
+
+        if (! array_key_exists($configKey, $section)) {
+            return null;
+        }
+
+        return new ValueDefinition($name, $section[$configKey]);
+    }
+
+    private function parseEntryName($name)
+    {
+        $parts = explode('.', $name, 3);
+
+        array_shift($parts);
+
+        if (! isset($parts[1])) {
+            $parts[1] = null;
+        }
+
+        return $parts;
+    }
+
+    private function getSection($sectionName)
+    {
+        $section = $this->config->getSection($sectionName);
+
+        if (!is_array($section)) {
+            throw new DefinitionException(sprintf(
+                'IniFileChain did not return an array for the config section %s',
+                $section
+            ));
+        }
+
+        return $section;
+    }
+}