From 8df3db566a3a937b45ebf11adb90d265e6f5e2d4 Mon Sep 17 00:00:00 2001
From: Andreas Baumann <mail@andreasbaumann.cc>
Date: Sun, 17 Nov 2019 20:45:02 +0100
Subject: initial checking of customized version 1.0rc9

---
 .../lib/classes/Swift/KeyCache/ArrayKeyCache.php   | 206 +++++++++++++++++++++
 1 file changed, 206 insertions(+)
 create mode 100644 vendor/swiftmailer/swiftmailer/lib/classes/Swift/KeyCache/ArrayKeyCache.php

(limited to 'vendor/swiftmailer/swiftmailer/lib/classes/Swift/KeyCache/ArrayKeyCache.php')

diff --git a/vendor/swiftmailer/swiftmailer/lib/classes/Swift/KeyCache/ArrayKeyCache.php b/vendor/swiftmailer/swiftmailer/lib/classes/Swift/KeyCache/ArrayKeyCache.php
new file mode 100644
index 0000000..b37f07f
--- /dev/null
+++ b/vendor/swiftmailer/swiftmailer/lib/classes/Swift/KeyCache/ArrayKeyCache.php
@@ -0,0 +1,206 @@
+<?php
+
+/*
+ * This file is part of SwiftMailer.
+ * (c) 2004-2009 Chris Corbyn
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * A basic KeyCache backed by an array.
+ *
+ * @author Chris Corbyn
+ */
+class Swift_KeyCache_ArrayKeyCache implements Swift_KeyCache
+{
+    /**
+     * Cache contents.
+     *
+     * @var array
+     */
+    private $_contents = array();
+
+    /**
+     * An InputStream for cloning.
+     *
+     * @var Swift_KeyCache_KeyCacheInputStream
+     */
+    private $_stream;
+
+    /**
+     * Create a new ArrayKeyCache with the given $stream for cloning to make
+     * InputByteStreams.
+     *
+     * @param Swift_KeyCache_KeyCacheInputStream $stream
+     */
+    public function __construct(Swift_KeyCache_KeyCacheInputStream $stream)
+    {
+        $this->_stream = $stream;
+    }
+
+    /**
+     * Set a string into the cache under $itemKey for the namespace $nsKey.
+     *
+     * @see MODE_WRITE, MODE_APPEND
+     *
+     * @param string $nsKey
+     * @param string $itemKey
+     * @param string $string
+     * @param int    $mode
+     */
+    public function setString($nsKey, $itemKey, $string, $mode)
+    {
+        $this->_prepareCache($nsKey);
+        switch ($mode) {
+            case self::MODE_WRITE:
+                $this->_contents[$nsKey][$itemKey] = $string;
+                break;
+            case self::MODE_APPEND:
+                if (!$this->hasKey($nsKey, $itemKey)) {
+                    $this->_contents[$nsKey][$itemKey] = '';
+                }
+                $this->_contents[$nsKey][$itemKey] .= $string;
+                break;
+            default:
+                throw new Swift_SwiftException(
+                    'Invalid mode ['.$mode.'] used to set nsKey='.
+                    $nsKey.', itemKey='.$itemKey
+                    );
+        }
+    }
+
+    /**
+     * Set a ByteStream into the cache under $itemKey for the namespace $nsKey.
+     *
+     * @see MODE_WRITE, MODE_APPEND
+     *
+     * @param string                 $nsKey
+     * @param string                 $itemKey
+     * @param Swift_OutputByteStream $os
+     * @param int                    $mode
+     */
+    public function importFromByteStream($nsKey, $itemKey, Swift_OutputByteStream $os, $mode)
+    {
+        $this->_prepareCache($nsKey);
+        switch ($mode) {
+            case self::MODE_WRITE:
+                $this->clearKey($nsKey, $itemKey);
+            case self::MODE_APPEND:
+                if (!$this->hasKey($nsKey, $itemKey)) {
+                    $this->_contents[$nsKey][$itemKey] = '';
+                }
+                while (false !== $bytes = $os->read(8192)) {
+                    $this->_contents[$nsKey][$itemKey] .= $bytes;
+                }
+                break;
+            default:
+                throw new Swift_SwiftException(
+                    'Invalid mode ['.$mode.'] used to set nsKey='.
+                    $nsKey.', itemKey='.$itemKey
+                    );
+        }
+    }
+
+    /**
+     * Provides a ByteStream which when written to, writes data to $itemKey.
+     *
+     * NOTE: The stream will always write in append mode.
+     *
+     * @param string                $nsKey
+     * @param string                $itemKey
+     * @param Swift_InputByteStream $writeThrough
+     *
+     * @return Swift_InputByteStream
+     */
+    public function getInputByteStream($nsKey, $itemKey, Swift_InputByteStream $writeThrough = null)
+    {
+        $is = clone $this->_stream;
+        $is->setKeyCache($this);
+        $is->setNsKey($nsKey);
+        $is->setItemKey($itemKey);
+        if (isset($writeThrough)) {
+            $is->setWriteThroughStream($writeThrough);
+        }
+
+        return $is;
+    }
+
+    /**
+     * Get data back out of the cache as a string.
+     *
+     * @param string $nsKey
+     * @param string $itemKey
+     *
+     * @return string
+     */
+    public function getString($nsKey, $itemKey)
+    {
+        $this->_prepareCache($nsKey);
+        if ($this->hasKey($nsKey, $itemKey)) {
+            return $this->_contents[$nsKey][$itemKey];
+        }
+    }
+
+    /**
+     * Get data back out of the cache as a ByteStream.
+     *
+     * @param string                $nsKey
+     * @param string                $itemKey
+     * @param Swift_InputByteStream $is      to write the data to
+     */
+    public function exportToByteStream($nsKey, $itemKey, Swift_InputByteStream $is)
+    {
+        $this->_prepareCache($nsKey);
+        $is->write($this->getString($nsKey, $itemKey));
+    }
+
+    /**
+     * Check if the given $itemKey exists in the namespace $nsKey.
+     *
+     * @param string $nsKey
+     * @param string $itemKey
+     *
+     * @return bool
+     */
+    public function hasKey($nsKey, $itemKey)
+    {
+        $this->_prepareCache($nsKey);
+
+        return array_key_exists($itemKey, $this->_contents[$nsKey]);
+    }
+
+    /**
+     * Clear data for $itemKey in the namespace $nsKey if it exists.
+     *
+     * @param string $nsKey
+     * @param string $itemKey
+     */
+    public function clearKey($nsKey, $itemKey)
+    {
+        unset($this->_contents[$nsKey][$itemKey]);
+    }
+
+    /**
+     * Clear all data in the namespace $nsKey if it exists.
+     *
+     * @param string $nsKey
+     */
+    public function clearAll($nsKey)
+    {
+        unset($this->_contents[$nsKey]);
+    }
+
+    /**
+     * Initialize the namespace of $nsKey if needed.
+     *
+     * @param string $nsKey
+     */
+    private function _prepareCache($nsKey)
+    {
+        if (!array_key_exists($nsKey, $this->_contents)) {
+            $this->_contents[$nsKey] = array();
+        }
+    }
+}
-- 
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