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/* -*- C++ -*- */
//=======================================================================
/**
* @file ZIP_Wrapper.h
*
* $Id$
*
* Purpose: to provide a wrapper around ZZIPlib for easy handling of
* ZIP archives. This wrapper can me used as an auxiliary
* class that allows a program to become ZIP-aware
*
* @author Stoyan Paunov
*/
//=======================================================================
#ifndef _ZIP_WRAPPER_H_
#define _ZIP_WRAPPER_H_
#include "ace/Containers_T.h" //for ACE_Double_Linked_List
#include "ace/Message_Block.h" //for ACE_Message_Block
#include "ace/SString.h" //for ACE_CString
#include "ace/OS_NS_fcntl.h" //for open
#include "ace/OS_NS_sys_stat.h" //for filesize and mkdir
#include <string>
/**
* @class ZIP_File_Info
*
* This class is used as a carrier of information
* about entities residing inside a ZIP archive
*/
class ZIP_File_Info
{
public:
ACE_CString name_;
size_t size_;
ZIP_File_Info* next_;
ZIP_File_Info* prev_;
ZIP_File_Info (char* name, size_t size);
ZIP_File_Info ();
};
/**
* @class ZIP_Wrappers
*
* This class is the actual workhorse that provides all of
* the necessary functionality
*/
class ZIP_Wrapper
{
public:
/// Get a list of the files in the archive
///returns -1 on failure
static int file_list_info (char* zip_name,
ACE_Double_Linked_List<ZIP_File_Info> &list);
/// Get file and store it into an ACE_Message_Block
/// need to provide the correct accessor string. It formed by the ZIP_Options
/// singleton on argument parsing and stored in ZIP_Options::instance()->read_file_
/// ACE_Message_Block is null-terminated, but this is not reflected in the size!
///
/// NOTE: Be sure to release the message block even if the function returns
/// false becuase the return value might be due to unsuccessful allocation
static bool get_file (char* accessor, ACE_Message_Block &file);
/// Additional get_file function to avert subdirectory traversal problems with
/// zziplib accessors
///
/// NOTE: Be sure to release the message block even if the function returns
/// false becuase the return value might be due to unsuccessful allocation
static bool get_file (char* archive_path, char* filename, ACE_Message_Block &file);
/// uncompress
/// the uncompress format will be
/// mkdir(name of zip archive)
/// store all files in that directory.
/// the path is assumed to be an existing directory
static bool uncompress (char* zip_archive, char* path = "", bool verbose = true);
};
#endif
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