1ca06b2412
-(mod) cleanup of archive reader code -(add) added new constructor for reader if we only need filter and no format -(add) added initial version of archive writer
132 lines
4.1 KiB
C++
132 lines
4.1 KiB
C++
/*
|
|
BSD 2-Clause license
|
|
|
|
Copyright (c) 2014, Domen Vrankar
|
|
All rights reserved.
|
|
|
|
Redistribution and use in source and binary forms, with or without modification,
|
|
are permitted provided that the following conditions are met:
|
|
|
|
1. Redistributions of source code must retain the above copyright notice, this
|
|
list of conditions and the following disclaimer.
|
|
|
|
2. Redistributions in binary form must reproduce the above copyright notice,
|
|
this list of conditions and the following disclaimer in the documentation
|
|
and/or other materials provided with the distribution.
|
|
|
|
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
|
|
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
|
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
|
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
|
|
ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
|
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
|
|
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
|
|
ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
|
|
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#include "archive_writer.hpp"
|
|
|
|
#include "archive_exception.hpp"
|
|
#include "string"
|
|
|
|
#include <iterator>
|
|
|
|
namespace ns_archive {
|
|
|
|
writer::writer(std::ostream& stream) :
|
|
_archive( archive_write_new(), [](archive* archive){ archive_read_free(archive); } ), // errors in destructor will be silently ignored
|
|
_writer_container( stream )
|
|
{
|
|
//
|
|
}
|
|
|
|
void writer::finish()
|
|
{
|
|
archive_write_close(_archive.get()); // TODO throw on error
|
|
}
|
|
|
|
void writer::add_entry( ns_writer::entry& entry )
|
|
{
|
|
if( archive_write_header( _archive.get(), entry.get_entry() ) != ARCHIVE_OK)
|
|
{
|
|
throw archive_exception( "Error writing header to archive!" );
|
|
}
|
|
|
|
auto& stream = entry.get_stream();
|
|
std::istreambuf_iterator<char> eos;
|
|
std::string tmp( std::istreambuf_iterator<char>(stream), eos );
|
|
|
|
archive_write_data( _archive.get(), tmp.c_str(), tmp.size() );
|
|
}
|
|
|
|
/// ---------------- init_format ---------------- //
|
|
|
|
#define WRITER_INIT_FORMAT(__FORMAT__, __FUNCTION_SUFFIX__) \
|
|
template<> \
|
|
void writer::init_format<ns_writer::format::_##__FORMAT__>()\
|
|
{\
|
|
archive_write_set_format_##__FUNCTION_SUFFIX__(_archive.get());\
|
|
}
|
|
|
|
WRITER_INIT_FORMAT(7ZIP, 7zip)
|
|
WRITER_INIT_FORMAT(CPIO_SVR4_NOCRC, cpio_newc)
|
|
WRITER_INIT_FORMAT(ISO9660, iso9660)
|
|
WRITER_INIT_FORMAT(MTREE, mtree)
|
|
WRITER_INIT_FORMAT(SHAR, shar)
|
|
WRITER_INIT_FORMAT(SHAR_BASE, shar)
|
|
WRITER_INIT_FORMAT(SHAR_DUMP, shar_dump)
|
|
WRITER_INIT_FORMAT(TAR, pax_restricted)
|
|
WRITER_INIT_FORMAT(TAR_GNUTAR, gnutar)
|
|
WRITER_INIT_FORMAT(TAR_PAX_INTERCHANGE, pax)
|
|
WRITER_INIT_FORMAT(TAR_PAX_RESTRICTED, pax_restricted)
|
|
WRITER_INIT_FORMAT(TAR_USTAR, ustar)
|
|
WRITER_INIT_FORMAT(XAR, xar)
|
|
WRITER_INIT_FORMAT(ZIP, zip)
|
|
|
|
/// ---------------- init_filter ---------------- //
|
|
|
|
#define WRITER_INIT_FILTER(__FILTER__, __FUNCTION_SUFFIX__) \
|
|
template<> \
|
|
void writer::init_filter<ns_writer::filter::_##__FILTER__>()\
|
|
{\
|
|
archive_write_add_filter_##__FUNCTION_SUFFIX__(_archive.get());\
|
|
}
|
|
|
|
WRITER_INIT_FILTER(NONE, none)
|
|
WRITER_INIT_FILTER(GZIP, gzip)
|
|
WRITER_INIT_FILTER(BZIP2, bzip2)
|
|
WRITER_INIT_FILTER(COMPRESS, compress)
|
|
WRITER_INIT_FILTER(GRZIP, grzip)
|
|
WRITER_INIT_FILTER(LRZIP, lrzip)
|
|
WRITER_INIT_FILTER(LZIP, lzip)
|
|
WRITER_INIT_FILTER(LZMA, lzma)
|
|
WRITER_INIT_FILTER(LZOP, lzip)
|
|
WRITER_INIT_FILTER(UU, uuencode)
|
|
WRITER_INIT_FILTER(XZ, xz)
|
|
|
|
/// ---------------- init_data ---------------- //
|
|
namespace ns_writer {
|
|
|
|
ssize_t writer_callback( archive* archive, void* out_writer_container, const void* buff, size_t buff_size )
|
|
{
|
|
std::ostream* stream = reinterpret_cast<std::ostream*>( out_writer_container );
|
|
|
|
stream->write( (const char*)buff, buff_size );
|
|
|
|
return buff_size;
|
|
}
|
|
|
|
} // ns_writer
|
|
|
|
void writer::init_data()
|
|
{
|
|
if(archive_write_open( _archive.get(), &_writer_container, nullptr, ns_writer::writer_callback, nullptr ) != ARCHIVE_OK)
|
|
{
|
|
throw archive_exception( "Failed to write the archive!" );
|
|
}
|
|
}
|
|
|
|
}
|