// this is the "wrapper" header file for the zip/unzip functions to expose to BOINC clients
// CMC - 18/03/2004, Oxford University for BOINC project
// released under the BOINC license

// note that I've disabled zip encryption to try and simplify things
// (zip encryption is fairly weak and easy to break anyway)

// you will need to link against the library (boinc_zip.lib on Windows-Release,
// boinc_zipd.lib for Windows-Debug, or libboinc_zip.a on Unix & Mac OSX)

// also you will need to include filesys.C in your project
// (decided not to add that in the lib due to version problems that may arise)

#ifdef __cplusplus
#include <vector>
#include <string>
#endif
#include <sys/types.h>
#include <sys/stat.h>

#define ZIP_IT   1
#define UNZIP_IT 0

// bitmasks for sort type on the ZipFileList 
// optional but CPDN SmallExecs likes reverse date order
#define SORT_ASCENDING    0x01
#define SORT_DESCENDING   0x02

#define SORT_TIME         0x10
#define SORT_NAME         0x20

#ifdef __cplusplus
using std::string;

class ZipFileEntry  :public std::string
{
public:
  ZipFileEntry(const std::string strIn, unsigned char ucSort = SORT_NAME | SORT_DESCENDING);
  ZipFileEntry(const std::string strIn, const struct stat instat, unsigned char ucSort = SORT_NAME | SORT_DESCENDING);
  ~ZipFileEntry();
  bool operator< (const ZipFileEntry& other) const; // sorts by filetime 

  struct stat m_statFile; // keep file stats in here

private:
  unsigned char m_ucSort;
};

typedef std::vector<ZipFileEntry> ZipFileList;

// forward declarations for boinc_zip functions
// note it's basically like running zip/unzip, just comprise an argc/argv
// send in an input file or path wildcard, output filename, and basic options

// default options for zip (bZip = true) are "-j9q" which is 
// DON'T recurse/list subdirectories, best compression, quiet operation
// call it with bZiptype = ZIP_IP to zip, bZip = UNZIP_IT to unzip (duh)

// note boinc_zip is overloaded for ease of use
// i.e. you can just send char filenames, or std::strings, or preferably
// a vector of std::string of filenames to add to the zip archive

// there is also a crude but handy wildcard matching function to build
// the vector of string's, and probably better than using wildcards in zip
// across platforms

bool boinc_filelist(const std::string directory,
                  const std::string pattern,
                  ZipFileList* pList, 
				  const unsigned char ucSort = SORT_NAME | SORT_DESCENDING,
				  const bool bClear = true);
int boinc_zip(int bZipType, const std::string szFileZip, const ZipFileList* pvectszFileIn);
int boinc_zip(int bZipType, const std::string szFileZip, const std::string szFileIn);
extern "C"
#else
extern
#endif
int boinc_zip(int bZipType, const char* szFileZip, const char* szFileIn);