119 Zeilen
3.8 KiB
PHP
119 Zeilen
3.8 KiB
PHP
<?php
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/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
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/**
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* Base class for any writer
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*
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* PHP versions 4 and 5
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330,Boston,MA 02111-1307 USA
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*
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* @category File Formats
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* @package File_Archive
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* @author Vincent Lascaux <vincentlascaux@php.net>
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* @copyright 1997-2005 The PHP Group
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* @license http://www.gnu.org/copyleft/lesser.html LGPL
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* @version CVS: $Id: Writer.php 2 2010-11-23 14:32:26Z oldperl $
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* @link http://pear.php.net/package/File_Archive
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*/
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require_once "PEAR.php";
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/**
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* Base class for any writer
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*/
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class File_Archive_Writer
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{
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/**
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* Create a new file in the writer
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*
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* @param string $filename Name of the file, eventually including a path
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* @param array $stat Its Statistics. None of the indexes are required
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* @param string $mime MIME type of the file
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*/
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function newFile($filename, $stat = array(), $mime = "application/octet-stream")
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{
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}
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/**
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* Create a new file in the writer with the content of the physical file $filename
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* and then unlink $filename.
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* newFromTempFile($tmpfile, $filename, $stat, $mime) is equivalent to
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* newFile($filename, $stat, $mime); writeFile($tmpfile); unlink($tmpfile);
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* but can be more efficient.
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* A typical use is for File_Archive_Writer_Files: it renames the temporary
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* file instead of copy/delete
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*
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* @param string $tmpfile Name of the physical file that contains data and will be unlinked
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* @param string $filename Name of the file, eventually including a path
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* @param array $stat Its Statistics. None of the indexes are required
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* @param string $mime MIME type of the file
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*/
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function newFromTempFile($tmpfile, $filename, $stat = array(), $mime = "application/octet-stream")
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{
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$this->newFile($filename, $stat, $mime);
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$this->writeFile($tmpfile);
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unlink($tmpfile);
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}
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/**
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* Returns whether the writer newFile function needs the $mime parameter
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* Default is false
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*/
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function newFileNeedsMIME()
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{
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return false;
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}
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/**
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* Append the specified data to the writer
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*
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* @param String $data the data to append to the writer
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*/
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function writeData($data)
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{
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}
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/**
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* Append the content of the physical file $filename to the writer
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* writeFile($filename) must be equivalent to
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* writeData(file_get_contents($filename)) but can be more efficient
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*
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* @param string $filename Name of the file which content must be appended
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* to the writer
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*/
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function writeFile($filename)
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{
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$handle = fopen($filename, "r");
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if (!is_resource($handle)) {
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return PEAR::raiseError("Unable to write to $filename");
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}
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while (!feof($handle)) {
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$error = $this->writeData(fread($handle, 102400));
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if (PEAR::isError($error)) {
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return $error;
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}
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}
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fclose($handle);
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}
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/**
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* Close the writer, eventually flush the data, write the footer...
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* This function must be called before the end of the script
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*/
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function close() { }
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}
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?>
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