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/*============================================================================
CMake - Cross Platform Makefile Generator
Copyright 2000-2009 Kitware, Inc., Insight Software Consortium
Distributed under the OSI-approved BSD License (the "License");
see accompanying file Copyright.txt for details.
This software is distributed WITHOUT ANY WARRANTY; without even the
implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the License for more information.
============================================================================*/
#include "cmCPackArchiveGenerator.h"
#include "cmake.h"
#include "cmGlobalGenerator.h"
#include "cmLocalGenerator.h"
#include "cmSystemTools.h"
#include "cmMakefile.h"
#include "cmGeneratedFileStream.h"
#include "cmCPackLog.h"
#include <errno.h>
#include <cmsys/SystemTools.hxx>
#include <cmlibarchive/libarchive/archive.h>
#include <cmlibarchive/libarchive/archive_entry.h>
//----------------------------------------------------------------------
cmCPackArchiveGenerator::cmCPackArchiveGenerator(CompressType t,
ArchiveType at)
{
this->Compress = t;
this->Archive = at;
}
//----------------------------------------------------------------------
cmCPackArchiveGenerator::~cmCPackArchiveGenerator()
{
}
static const size_t cmCPackTGZ_Data_BlockSize = 16384;
// make this an anonymous namespace so that archive.h does not
// have to be included in the .h file for this class
namespace
{
bool SetArchiveType(struct archive* a,
cmCPackArchiveGenerator::CompressType ct,
cmCPackArchiveGenerator::ArchiveType at)
{
int res;
// pick the archive type
switch(at)
{
case cmCPackArchiveGenerator::TAR:
// maybe this:
//res = archive_write_set_format_pax(a);
res = archive_write_set_format_ustar(a); // is this what we want?
break;
case cmCPackArchiveGenerator::ZIP:
res = archive_write_set_format_zip(a);
break;
}
if(res != ARCHIVE_OK)
{
return false;
}
// pick a compression type
switch(ct)
{
case cmCPackArchiveGenerator::GZIP:
res = archive_write_set_compression_gzip(a);
break;
case cmCPackArchiveGenerator::BZIP2:
res = archive_write_set_compression_bzip2(a);
break;
case cmCPackArchiveGenerator::COMPRESS:
res = archive_write_set_compression_compress(a);
break;
case cmCPackArchiveGenerator::LZMA:
res = archive_write_set_compression_lzma(a);
break;
case cmCPackArchiveGenerator::NONE:
default:
res = archive_write_set_compression_none(a);
}
if(res != ARCHIVE_OK)
{
return false;
}
// do not pad the last block!!
res = archive_write_set_bytes_in_last_block(a, 1);
if(res != ARCHIVE_OK)
{
return false;
}
return true;
}
struct StreamData
{
StreamData(cmGeneratedFileStream* gfs,
cmCPackArchiveGenerator* ag)
{
this->GeneratedFileStream = gfs;
this->Generator = ag;
}
cmGeneratedFileStream* GeneratedFileStream;
cmCPackArchiveGenerator* Generator;
};
extern "C"
{
int OpenArchive(struct archive *, void *client_data)
{
struct StreamData *data = (StreamData*)client_data;
if(data->GeneratedFileStream &&
*data->GeneratedFileStream)
{
if(data->Generator->
GenerateHeader(data->GeneratedFileStream))
{
return ARCHIVE_OK;
}
}
return (ARCHIVE_FATAL);
}
__LA_SSIZE_T WriteArchive(struct archive *,
void *client_data,
const void *buff,
size_t n)
{
struct StreamData *data = (StreamData*)client_data;
data->GeneratedFileStream->
write(reinterpret_cast<const char*>(buff),n);
if(!data->GeneratedFileStream->bad())
{
return n;
}
return 0;
}
int CloseArchive(struct archive *, void *client_data)
{
struct StreamData *data = (StreamData*)client_data;
if(data->GeneratedFileStream->Close())
{
delete data->GeneratedFileStream;
return ARCHIVE_OK;
}
return ARCHIVE_FATAL;
}
} //extern C
} // anon name space
//----------------------------------------------------------------------
int cmCPackArchiveGenerator::InitializeInternal()
{
this->SetOptionIfNotSet("CPACK_INCLUDE_TOPLEVEL_DIRECTORY", "1");
return this->Superclass::InitializeInternal();
}
int cmCPackArchiveGenerator::CompressFiles(const char* outFileName,
const char* toplevel, const std::vector<std::string>& files)
{
cmCPackLogger(cmCPackLog::LOG_DEBUG, "Toplevel: "
<< (toplevel ? toplevel : "(NULL)") << std::endl);
// create a new archive
struct archive* a = archive_write_new();
// Set the compress and archive types for the archive
SetArchiveType(a, this->Compress, this->Archive);
// Open binary stream
cmGeneratedFileStream* gf = new cmGeneratedFileStream;
gf->Open(outFileName, false, true);
StreamData data(gf, this);
// pass callbacks to archive_write_open to handle stream
archive_write_open(a,
&data,
OpenArchive,
WriteArchive,
CloseArchive);
// create a new disk struct
struct archive* disk = archive_read_disk_new();
archive_read_disk_set_standard_lookup(disk);
std::vector<std::string>::const_iterator fileIt;
for ( fileIt = files.begin(); fileIt != files.end(); ++ fileIt )
{
// create a new entry for each file
struct archive_entry *entry = archive_entry_new();
// Get the relative path to the file
std::string rp = cmSystemTools::RelativePath(toplevel, fileIt->c_str());
// Set the name of the entry to the file name
archive_entry_set_pathname(entry, rp.c_str());
// get the information about the file from stat
struct stat s;
stat(fileIt->c_str(), &s);
archive_read_disk_entry_from_file(disk, entry, -1, &s);
// write entry header
archive_write_header(a, entry);
// now copy contents of file into archive a
FILE* file = fopen(fileIt->c_str(), "rb");
if(!file)
{
cmCPackLogger(cmCPackLog::LOG_ERROR, "Problem with fopen(): "
<< fileIt->c_str()
<< strerror(errno)
<< std::endl);
return 0;
}
char buff[cmCPackTGZ_Data_BlockSize];
int len = fread(buff, 1, sizeof(buff), file);
while (len > 0)
{
archive_write_data(a, buff, len);
len = fread(buff, 1, sizeof(buff), file);
}
// close the file and free the entry
fclose(file);
archive_entry_free(entry);
}
// close the archive and finish the write
archive_write_close(a);
archive_write_finish(a);
return 1;
}
//----------------------------------------------------------------------
int cmCPackArchiveGenerator::GenerateHeader(std::ostream*)
{
return 1;
}
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