NAME
zipios::ZipOutputStreambuf - ZipOutputStreambuf is a zip output
streambuf filter.
SYNOPSIS
#include <zipoutputstreambuf.h>
Inherits zipios::DeflateOutputStreambuf.
Public Types
enum CompressionLevels { NO_COMPRESSION = Z_NO_COMPRESSION, BEST_SPEED
= Z_BEST_SPEED, BEST_COMPRESSION = Z_BEST_COMPRESSION,
DEFAULT_COMPRESSION = Z_DEFAULT_COMPRESSION }
Public Member Functions
ZipOutputStreambuf (streambuf *outbuf, bool del_outbuf=false)
ZipOutputStreambuf constructor.
void closeEntry ()
Closes the current entry, and positions the stream read pointer at
the beginning of the next entry (if there is one).
void close ()
Calls finish.
void finish ()
Closes the current entry (if one is open), then writes the Zip
Central Directory Structure closing the ZipOutputStream.
void putNextEntry (const ZipCDirEntry &entry)
Begins writing the next entry.
void setComment (const string &comment)
Sets the global comment for the Zip archive.
void setLevel (int level)
Sets the compression level to be used for subsequent entries.
void setMethod (StorageMethod method)
Sets the compression method to be used.
virtual ~ZipOutputStreambuf ()
Destructor.
Protected Member Functions
virtual int overflow (int c=EOF)
virtual int sync ()
void setEntryClosedState ()
void updateEntryHeaderInfo ()
Static Protected Member Functions
static void writeCentralDirectory (const vector< ZipCDirEntry >
&entries, EndOfCentralDirectory eocd, ostream &os)
Detailed Description
ZipOutputStreambuf is a zip output streambuf filter.
Definition at line 17 of file zipoutputstreambuf.h.
Constructor & Destructor Documentation
zipios::ZipOutputStreambuf::ZipOutputStreambuf (streambuf * outbuf, bool
del_outbuf = false) [explicit]
ZipOutputStreambuf constructor.
A newly constructed ZipOutputStreambuf is not ready to accept data,
putNextEntry() must be invoked first.
Parameters:
outbuf the streambuf to use for input.
del_outbuf if true is specified outbuf will be deleted, when the
ZipOutputStreambuf is destructed.
Definition at line 20 of file zipoutputstreambuf.cpp.
zipios::ZipOutputStreambuf::~ZipOutputStreambuf () [virtual]
Destructor.
Definition at line 56 of file zipoutputstreambuf.cpp.
Member Function Documentation
void zipios::ZipOutputStreambuf::closeEntry ()
Closes the current entry, and positions the stream read pointer at the
beginning of the next entry (if there is one).
Definition at line 30 of file zipoutputstreambuf.cpp.
void zipios::ZipOutputStreambuf::close ()
Calls finish.
Definition at line 41 of file zipoutputstreambuf.cpp.
void zipios::ZipOutputStreambuf::finish ()
Closes the current entry (if one is open), then writes the Zip Central
Directory Structure closing the ZipOutputStream.
The output stream that the zip archive is being written to is not
closed.
Definition at line 46 of file zipoutputstreambuf.cpp.
void zipios::ZipOutputStreambuf::putNextEntry (const ZipCDirEntry & entry)
Begins writing the next entry.
Opens the next entry in the zip archive and returns a const pointer to
a FileEntry object for the entry.
Returns:
a const FileEntry * containing information about the (now) current
entry.
Definition at line 61 of file zipoutputstreambuf.cpp.
void zipios::ZipOutputStreambuf::setComment (const string & comment)
Sets the global comment for the Zip archive.
Definition at line 83 of file zipoutputstreambuf.cpp.
void zipios::ZipOutputStreambuf::setLevel (int level)
Sets the compression level to be used for subsequent entries.
Definition at line 88 of file zipoutputstreambuf.cpp.
void zipios::ZipOutputStreambuf::setMethod (StorageMethod method)
Sets the compression method to be used.
only STORED and DEFLATED are supported.
Definition at line 93 of file zipoutputstreambuf.cpp.
Author
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