From bfb52d24ac950787373e3a11a068b824ecef6f00 Mon Sep 17 00:00:00 2001
From: M_Viper <admin@m-viper.de>
Date: Sun, 10 Mar 2024 15:25:31 +0000
Subject: [PATCH] Dateien nach "includes/PHPExcel/Classes/PHPExcel/CalcEngine"
 hochladen

---
 .../CalcEngine/CyclicReferenceStack.php       |  98 +++++++++++
 .../Classes/PHPExcel/CalcEngine/Logger.php    | 153 ++++++++++++++++++
 2 files changed, 251 insertions(+)
 create mode 100644 includes/PHPExcel/Classes/PHPExcel/CalcEngine/CyclicReferenceStack.php
 create mode 100644 includes/PHPExcel/Classes/PHPExcel/CalcEngine/Logger.php

diff --git a/includes/PHPExcel/Classes/PHPExcel/CalcEngine/CyclicReferenceStack.php b/includes/PHPExcel/Classes/PHPExcel/CalcEngine/CyclicReferenceStack.php
new file mode 100644
index 0000000..5cd0b90
--- /dev/null
+++ b/includes/PHPExcel/Classes/PHPExcel/CalcEngine/CyclicReferenceStack.php
@@ -0,0 +1,98 @@
+<?php
+/**
+ * PHPExcel
+ *
+ * Copyright (c) 2006 - 2014 PHPExcel
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * @category   PHPExcel
+ * @package    PHPExcel_Calculation
+ * @copyright  Copyright (c) 2006 - 2014 PHPExcel (http://www.codeplex.com/PHPExcel)
+ * @license	http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt	LGPL
+ * @version	##VERSION##, ##DATE##
+ */
+
+
+/**
+ * PHPExcel_CalcEngine_CyclicReferenceStack
+ *
+ * @category	PHPExcel_CalcEngine_CyclicReferenceStack
+ * @package		PHPExcel_Calculation
+ * @copyright	Copyright (c) 2006 - 2014 PHPExcel (http://www.codeplex.com/PHPExcel)
+ */
+class PHPExcel_CalcEngine_CyclicReferenceStack {
+
+	/**
+	 *  The call stack for calculated cells
+	 *
+	 *  @var mixed[]
+	 */
+	private $_stack = array();
+
+
+	/**
+	 * Return the number of entries on the stack
+	 *
+	 * @return  integer
+	 */
+	public function count() {
+		return count($this->_stack);
+	}
+
+	/**
+	 * Push a new entry onto the stack
+	 *
+	 * @param  mixed  $value
+	 */
+	public function push($value) {
+		$this->_stack[$value] = $value;
+	}
+
+	/**
+	 * Pop the last entry from the stack
+	 *
+	 * @return  mixed
+	 */
+	public function pop() {
+		return array_pop($this->_stack);
+	}
+
+	/**
+	 * Test to see if a specified entry exists on the stack
+	 *
+	 * @param  mixed  $value  The value to test
+	 */
+	public function onStack($value) {
+		return isset($this->_stack[$value]);
+	}
+
+	/**
+	 * Clear the stack
+	 */
+	public function clear() {
+		$this->_stack = array();
+	}
+
+	/**
+	 * Return an array of all entries on the stack
+	 *
+	 * @return  mixed[]
+	 */
+	public function showStack() {
+		return $this->_stack;
+	}
+
+}
diff --git a/includes/PHPExcel/Classes/PHPExcel/CalcEngine/Logger.php b/includes/PHPExcel/Classes/PHPExcel/CalcEngine/Logger.php
new file mode 100644
index 0000000..fe43ae4
--- /dev/null
+++ b/includes/PHPExcel/Classes/PHPExcel/CalcEngine/Logger.php
@@ -0,0 +1,153 @@
+<?php
+/**
+ * PHPExcel
+ *
+ * Copyright (c) 2006 - 2014 PHPExcel
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * @category   PHPExcel
+ * @package    PHPExcel_Calculation
+ * @copyright  Copyright (c) 2006 - 2014 PHPExcel (http://www.codeplex.com/PHPExcel)
+ * @license	http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt	LGPL
+ * @version	##VERSION##, ##DATE##
+ */
+
+/**
+ * PHPExcel_CalcEngine_Logger
+ *
+ * @category	PHPExcel
+ * @package		PHPExcel_Calculation
+ * @copyright	Copyright (c) 2006 - 2014 PHPExcel (http://www.codeplex.com/PHPExcel)
+ */
+class PHPExcel_CalcEngine_Logger {
+
+	/**
+	 * Flag to determine whether a debug log should be generated by the calculation engine
+	 *		If true, then a debug log will be generated
+	 *		If false, then a debug log will not be generated
+	 *
+	 * @var boolean
+	 */
+	private $_writeDebugLog = FALSE;
+
+	/**
+	 * Flag to determine whether a debug log should be echoed by the calculation engine
+	 *		If true, then a debug log will be echoed
+	 *		If false, then a debug log will not be echoed
+	 * A debug log can only be echoed if it is generated
+	 *
+	 * @var boolean
+	 */
+	private $_echoDebugLog = FALSE;
+
+	/**
+	 * The debug log generated by the calculation engine
+	 *
+	 * @var string[]
+	 */
+	private $_debugLog = array();
+
+	/**
+	 * The calculation engine cell reference stack
+	 *
+	 * @var PHPExcel_CalcEngine_CyclicReferenceStack
+	 */
+	private $_cellStack;
+
+	
+	/**
+	 * Instantiate a Calculation engine logger
+	 *
+	 * @param  PHPExcel_CalcEngine_CyclicReferenceStack $stack
+	 */
+	public function __construct(PHPExcel_CalcEngine_CyclicReferenceStack $stack) {
+		$this->_cellStack = $stack;
+	}
+
+	/**
+	 * Enable/Disable Calculation engine logging
+	 *
+	 * @param  boolean $pValue
+	 */
+	public function setWriteDebugLog($pValue = FALSE) {
+		$this->_writeDebugLog = $pValue;
+	}
+
+	/**
+	 * Return whether calculation engine logging is enabled or disabled
+	 *
+	 * @return  boolean
+	 */
+	public function getWriteDebugLog() {
+		return $this->_writeDebugLog;
+	}
+
+	/**
+	 * Enable/Disable echoing of debug log information
+	 *
+	 * @param  boolean $pValue
+	 */
+	public function setEchoDebugLog($pValue = FALSE) {
+		$this->_echoDebugLog = $pValue;
+	}
+
+	/**
+	 * Return whether echoing of debug log information is enabled or disabled
+	 *
+	 * @return  boolean
+	 */
+	public function getEchoDebugLog() {
+		return $this->_echoDebugLog;
+	}
+
+	/**
+	 * Write an entry to the calculation engine debug log
+	 */
+	public function writeDebugLog() {
+		//	Only write the debug log if logging is enabled
+		if ($this->_writeDebugLog) {
+			$message = implode(func_get_args());
+			$cellReference = implode(' -> ', $this->_cellStack->showStack());
+			if ($this->_echoDebugLog) {
+				echo $cellReference, 
+					($this->_cellStack->count() > 0 ? ' => ' : ''), 
+					$message, 
+					PHP_EOL;
+			}
+			$this->_debugLog[] = $cellReference . 
+				($this->_cellStack->count() > 0 ? ' => ' : '') . 
+				$message;
+		}
+	}	//	function _writeDebug()
+
+	/**
+	 * Clear the calculation engine debug log
+	 */
+	public function clearLog() {
+		$this->_debugLog = array();
+	}	//	function flushLogger()
+
+	/**
+	 * Return the calculation engine debug log
+	 *
+	 * @return  string[]
+	 */
+	public function getLog() {
+		return $this->_debugLog;
+	}	//	function flushLogger()
+
+}	//	class PHPExcel_CalcEngine_Logger
+