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extend/phpexcel/PHPExcel/Shared/ZipArchive.php

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+<?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_Shared_ZipArchive
+ * @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    1.8.0, 2014-03-02
+ */
+
+if (!defined('PCLZIP_TEMPORARY_DIR')) {
+	define('PCLZIP_TEMPORARY_DIR', PHPExcel_Shared_File::sys_get_temp_dir());
+}
+require_once PHPEXCEL_ROOT . 'PHPExcel/Shared/PCLZip/pclzip.lib.php';
+
+
+/**
+ * PHPExcel_Shared_ZipArchive
+ *
+ * @category   PHPExcel
+ * @package    PHPExcel_Shared_ZipArchive
+ * @copyright  Copyright (c) 2006 - 2014 PHPExcel (http://www.codeplex.com/PHPExcel)
+ */
+class PHPExcel_Shared_ZipArchive
+{
+
+	/**	constants */
+	const OVERWRITE		= 'OVERWRITE';
+	const CREATE		= 'CREATE';
+
+
+	/**
+	 * Temporary storage directory
+	 *
+	 * @var string
+	 */
+	private $_tempDir;
+
+	/**
+	 * Zip Archive Stream Handle
+	 *
+	 * @var string
+	 */
+	private $_zip;
+
+
+    /**
+	 * Open a new zip archive
+	 *
+	 * @param	string	$fileName	Filename for the zip archive
+	 * @return	boolean
+     */
+	public function open($fileName)
+	{
+		$this->_tempDir = PHPExcel_Shared_File::sys_get_temp_dir();
+
+		$this->_zip = new PclZip($fileName);
+
+		return true;
+	}
+
+
+    /**
+	 * Close this zip archive
+	 *
+     */
+	public function close()
+	{
+	}
+
+
+    /**
+	 * Add a new file to the zip archive from a string of raw data.
+	 *
+	 * @param	string	$localname		Directory/Name of the file to add to the zip archive
+	 * @param	string	$contents		String of data to add to the zip archive
+     */
+	public function addFromString($localname, $contents)
+	{
+		$filenameParts = pathinfo($localname);
+
+		$handle = fopen($this->_tempDir.'/'.$filenameParts["basename"], "wb");
+		fwrite($handle, $contents);
+		fclose($handle);
+
+		$res = $this->_zip->add($this->_tempDir.'/'.$filenameParts["basename"],
+								PCLZIP_OPT_REMOVE_PATH, $this->_tempDir,
+								PCLZIP_OPT_ADD_PATH, $filenameParts["dirname"]
+							   );
+		if ($res == 0) {
+			throw new PHPExcel_Writer_Exception("Error zipping files : " . $this->_zip->errorInfo(true));
+		}
+
+		unlink($this->_tempDir.'/'.$filenameParts["basename"]);
+	}
+
+    /**
+     * Find if given fileName exist in archive (Emulate ZipArchive locateName())
+     *
+     * @param        string        $fileName        Filename for the file in zip archive
+     * @return        boolean
+     */
+    public function locateName($fileName)
+    {
+        $list = $this->_zip->listContent();
+        $listCount = count($list);
+        $list_index = -1;
+        for ($i = 0; $i < $listCount; ++$i) {
+            if (strtolower($list[$i]["filename"]) == strtolower($fileName) ||
+                strtolower($list[$i]["stored_filename"]) == strtolower($fileName)) {
+                $list_index = $i;
+                break;
+            }
+        }
+        return ($list_index > -1);
+    }
+
+    /**
+     * Extract file from archive by given fileName (Emulate ZipArchive getFromName())
+     *
+     * @param        string        $fileName        Filename for the file in zip archive
+     * @return        string  $contents        File string contents
+     */
+    public function getFromName($fileName) 
+    {
+        $list = $this->_zip->listContent();
+        $listCount = count($list);
+        $list_index = -1;
+        for ($i = 0; $i < $listCount; ++$i) {
+            if (strtolower($list[$i]["filename"]) == strtolower($fileName) ||
+                strtolower($list[$i]["stored_filename"]) == strtolower($fileName)) {
+                $list_index = $i;
+                break;
+            }
+        }
+
+        $extracted = "";
+        if ($list_index != -1) {
+            $extracted = $this->_zip->extractByIndex($list_index, PCLZIP_OPT_EXTRACT_AS_STRING);
+        } else {
+            $filename = substr($fileName, 1);
+            $list_index = -1;
+            for ($i = 0; $i < $listCount; ++$i) {
+                if (strtolower($list[$i]["filename"]) == strtolower($fileName) || 
+                    strtolower($list[$i]["stored_filename"]) == strtolower($fileName)) {
+                    $list_index = $i;
+                    break;
+                }
+            }
+            $extracted = $this->_zip->extractByIndex($list_index, PCLZIP_OPT_EXTRACT_AS_STRING);
+        }
+        if ((is_array($extracted)) && ($extracted != 0)) {
+            $contents = $extracted[0]["content"];
+        }
+
+        return $contents;
+    }
+}