initial commit of SVN release repo

inc/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Settings.php

@@ -0,0 +1,127 @@
+<?php
+
+namespace PhpOffice\PhpSpreadsheet;
+
+use PhpOffice\PhpSpreadsheet\Calculation\Calculation;
+use PhpOffice\PhpSpreadsheet\Chart\Renderer\IRenderer;
+use PhpOffice\PhpSpreadsheet\Collection\Memory;
+use Psr\SimpleCache\CacheInterface;
+
+class Settings
+{
+    /**
+     * Class name of the chart renderer used for rendering charts
+     * eg: PhpOffice\PhpSpreadsheet\Chart\Renderer\JpGraph.
+     *
+     * @var string
+     */
+    private static $chartRenderer;
+
+    /**
+     * Default options for libxml loader.
+     *
+     * @var int
+     */
+    private static $libXmlLoaderOptions = null;
+
+    /**
+     * The cache implementation to be used for cell collection.
+     *
+     * @var CacheInterface
+     */
+    private static $cache;
+
+    /**
+     * Set the locale code to use for formula translations and any special formatting.
+     *
+     * @param string $locale The locale code to use (e.g. "fr" or "pt_br" or "en_uk")
+     *
+     * @return bool Success or failure
+     */
+    public static function setLocale($locale)
+    {
+        return Calculation::getInstance()->setLocale($locale);
+    }
+
+    /**
+     * Identify to PhpSpreadsheet the external library to use for rendering charts.
+     *
+     * @param string $rendererClass Class name of the chart renderer
+     *    eg: PhpOffice\PhpSpreadsheet\Chart\Renderer\JpGraph
+     *
+     * @throws Exception
+     */
+    public static function setChartRenderer($rendererClass)
+    {
+        if (!is_a($rendererClass, IRenderer::class, true)) {
+            throw new Exception('Chart renderer must implement ' . IRenderer::class);
+        }
+
+        self::$chartRenderer = $rendererClass;
+    }
+
+    /**
+     * Return the Chart Rendering Library that PhpSpreadsheet is currently configured to use.
+     *
+     * @return null|string Class name of the chart renderer
+     *    eg: PhpOffice\PhpSpreadsheet\Chart\Renderer\JpGraph
+     */
+    public static function getChartRenderer()
+    {
+        return self::$chartRenderer;
+    }
+
+    /**
+     * Set default options for libxml loader.
+     *
+     * @param int $options Default options for libxml loader
+     */
+    public static function setLibXmlLoaderOptions($options)
+    {
+        if ($options === null && defined('LIBXML_DTDLOAD')) {
+            $options = LIBXML_DTDLOAD | LIBXML_DTDATTR;
+        }
+        self::$libXmlLoaderOptions = $options;
+    }
+
+    /**
+     * Get default options for libxml loader.
+     * Defaults to LIBXML_DTDLOAD | LIBXML_DTDATTR when not set explicitly.
+     *
+     * @return int Default options for libxml loader
+     */
+    public static function getLibXmlLoaderOptions()
+    {
+        if (self::$libXmlLoaderOptions === null && defined('LIBXML_DTDLOAD')) {
+            self::setLibXmlLoaderOptions(LIBXML_DTDLOAD | LIBXML_DTDATTR);
+        } elseif (self::$libXmlLoaderOptions === null) {
+            self::$libXmlLoaderOptions = true;
+        }
+
+        return self::$libXmlLoaderOptions;
+    }
+
+    /**
+     * Sets the implementation of cache that should be used for cell collection.
+     *
+     * @param CacheInterface $cache
+     */
+    public static function setCache(CacheInterface $cache)
+    {
+        self::$cache = $cache;
+    }
+
+    /**
+     * Gets the implementation of cache that should be used for cell collection.
+     *
+     * @return CacheInterface
+     */
+    public static function getCache()
+    {
+        if (!self::$cache) {
+            self::$cache = new Memory();
+        }
+
+        return self::$cache;
+    }
+}