157 lines
4.9 KiB
C++
157 lines
4.9 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
|
|
/*
|
|
* This file is part of the LibreOffice project.
|
|
*
|
|
* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
|
|
*
|
|
* This file incorporates work covered by the following license notice:
|
|
*
|
|
* Licensed to the Apache Software Foundation (ASF) under one or more
|
|
* contributor license agreements. See the NOTICE file distributed
|
|
* with this work for additional information regarding copyright
|
|
* ownership. The ASF licenses this file to you under the Apache
|
|
* License, Version 2.0 (the "License"); you may not use this file
|
|
* except in compliance with the License. You may obtain a copy of
|
|
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
|
|
*/
|
|
|
|
#ifndef ZIPFILE_HXX_INCLUDED
|
|
#define ZIPFILE_HXX_INCLUDED
|
|
|
|
#ifndef _WINDOWS
|
|
#define _WINDOWS
|
|
#endif
|
|
|
|
#include <zlib.h>
|
|
|
|
#include <string>
|
|
#include <vector>
|
|
#include <memory>
|
|
|
|
class StreamInterface;
|
|
|
|
/** A simple zip content provider based on the zlib
|
|
*/
|
|
|
|
class ZipFile
|
|
{
|
|
public:
|
|
|
|
typedef std::vector<std::string> Directory_t;
|
|
typedef std::auto_ptr<Directory_t> DirectoryPtr_t;
|
|
typedef std::vector<char> ZipContentBuffer_t;
|
|
|
|
public:
|
|
|
|
/** Checks whether a file is a zip file or not
|
|
|
|
@precond The given parameter must be a string with length > 0
|
|
The file must exist
|
|
The file must be readable for the current user
|
|
|
|
@returns true if the file is a zip file
|
|
false if the file is not a zip file
|
|
|
|
@throws ParameterException if the given file name is empty
|
|
IOException if the specified file doesn't exist
|
|
AccessViolationException if read access to the file is denied
|
|
*/
|
|
static bool IsZipFile(const std::string &FileName);
|
|
|
|
static bool IsZipFile(void *stream);
|
|
|
|
|
|
/** Returns wheter the version of the specified zip file may be uncompressed with the
|
|
currently used zlib version or not
|
|
|
|
@precond The given parameter must be a string with length > 0
|
|
The file must exist
|
|
The file must be readable for the current user
|
|
The file must be a valid zip file
|
|
|
|
@returns true if the file may be uncompressed with the currently used zlib
|
|
false if the file may not be uncompressed with the currently used zlib
|
|
|
|
@throws ParameterException if the given file name is empty
|
|
IOException if the specified file doesn't exist or is no zip file
|
|
AccessViolationException if read access to the file is denied
|
|
*/
|
|
static bool IsValidZipFileVersionNumber(const std::string &FileName);
|
|
|
|
static bool IsValidZipFileVersionNumber(void *stream);
|
|
|
|
public:
|
|
|
|
/** Constructs a zip file from a zip file
|
|
|
|
@precond The given parameter must be a string with length > 0
|
|
The file must exist
|
|
The file must be readable for the current user
|
|
|
|
@throws ParameterException if the given file name is empty
|
|
IOException if the specified file doesn't exist or is no valid zip file
|
|
AccessViolationException if read access to the file is denied
|
|
WrongZipVersionException if the zip file cannot be uncompressed
|
|
with the used zlib version
|
|
*/
|
|
ZipFile(const std::string &FileName);
|
|
|
|
ZipFile(StreamInterface *stream);
|
|
|
|
|
|
/** Destroys a zip file
|
|
*/
|
|
~ZipFile();
|
|
|
|
/** Provides an interface to read the uncompressed data of a content of the zip file
|
|
|
|
@param ContentName
|
|
The name of the content in the zip file
|
|
|
|
@param ppstm
|
|
Pointer to pointer, will receive an interface pointer
|
|
to IUnknown on success
|
|
|
|
@precond The specified content must exist in this file
|
|
ppstm must not be NULL
|
|
|
|
@throws std::bad_alloc if the necessary buffer could not be
|
|
allocated
|
|
ZipException if an zip error occurs
|
|
ZipContentMissException if the specified zip content
|
|
does not exist in this zip file
|
|
*/
|
|
void GetUncompressedContent(const std::string &ContentName, /*inout*/ ZipContentBuffer_t &ContentBuffer);
|
|
|
|
/** Returns a list with the content names contained within this file
|
|
|
|
@throws ZipException if an error in the zlib happens
|
|
*/
|
|
DirectoryPtr_t GetDirectory() const;
|
|
|
|
/** Convinience query function may even realized with
|
|
iterating over a ZipFileDirectory returned by
|
|
GetDirectory
|
|
*/
|
|
bool HasContent(const std::string &ContentName) const;
|
|
|
|
private:
|
|
|
|
/** Returns the length of the longest file name
|
|
in the current zip file
|
|
|
|
@throws ZipException if an zip error occurs
|
|
*/
|
|
long GetFileLongestFileNameLength() const;
|
|
|
|
private:
|
|
StreamInterface *m_pStream;
|
|
bool m_bShouldFree;
|
|
};
|
|
|
|
#endif
|
|
|
|
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|