CMake/Source/CPack/cmCPackTarCompressGenerator...

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/*============================================================================
CMake - Cross Platform Makefile Generator
Copyright 2000-2009 Kitware, Inc., Insight Software Consortium
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Distributed under the OSI-approved BSD License (the "License");
see accompanying file Copyright.txt for details.
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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 "cmCPackTarCompressGenerator.h"
#include "cmake.h"
#include "cmGlobalGenerator.h"
#include "cmLocalGenerator.h"
#include "cmSystemTools.h"
#include "cmMakefile.h"
#include "cmGeneratedFileStream.h"
#include "cmCPackLog.h"
#include <cmsys/SystemTools.hxx>
#include <cmcompress/cmcompress.h>
#include <libtar/libtar.h>
#include <fcntl.h>
#include <errno.h>
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//----------------------------------------------------------------------
class cmCPackTarCompressGeneratorForward
{
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public:
static int GenerateHeader(cmCPackTarCompressGenerator* gg, std::ostream* os)
{
return gg->GenerateHeader(os);
}
};
//----------------------------------------------------------------------
cmCPackTarCompressGenerator::cmCPackTarCompressGenerator()
{
}
//----------------------------------------------------------------------
cmCPackTarCompressGenerator::~cmCPackTarCompressGenerator()
{
}
//----------------------------------------------------------------------
class cmCPackTarCompress_Data
{
public:
cmCPackTarCompress_Data(cmCPackTarCompressGenerator* gen) :
OutputStream(0), Generator(gen) {}
std::ostream* OutputStream;
cmCPackTarCompressGenerator* Generator;
cmcompress_stream CMCompressStream;
};
//----------------------------------------------------------------------
extern "C" {
// For cmTar
int cmCPackTarCompress_Data_Open(void *client_data, const char* name,
int oflags, mode_t mode);
ssize_t cmCPackTarCompress_Data_Write(void *client_data, void *buff,
size_t n);
int cmCPackTarCompress_Data_Close(void *client_data);
// For cmCompress
int cmCPackTarCompress_Compress_Output(void* cdata, const char* data,
int len);
}
//----------------------------------------------------------------------
int cmCPackTarCompress_Data_Open(void *client_data, const char* pathname,
int, mode_t)
{
cmCPackTarCompress_Data *mydata = (cmCPackTarCompress_Data*)client_data;
if ( !cmcompress_compress_initialize(&mydata->CMCompressStream) )
{
return -1;
}
mydata->CMCompressStream.client_data = mydata;
mydata->CMCompressStream.output_stream = cmCPackTarCompress_Compress_Output;
cmGeneratedFileStream* gf = new cmGeneratedFileStream;
// Open binary
gf->Open(pathname, false, true);
mydata->OutputStream = gf;
if ( !*mydata->OutputStream )
{
return -1;
}
if ( !cmcompress_compress_start(&mydata->CMCompressStream) )
{
return -1;
}
if ( !cmCPackTarCompressGeneratorForward::GenerateHeader(
mydata->Generator,gf))
{
return -1;
}
return 0;
}
//----------------------------------------------------------------------
ssize_t cmCPackTarCompress_Data_Write(void *client_data, void *buff, size_t n)
{
cmCPackTarCompress_Data *mydata = (cmCPackTarCompress_Data*)client_data;
if ( !cmcompress_compress(&mydata->CMCompressStream, buff, n) )
{
return 0;
}
return n;
}
//----------------------------------------------------------------------
int cmCPackTarCompress_Data_Close(void *client_data)
{
cmCPackTarCompress_Data *mydata = (cmCPackTarCompress_Data*)client_data;
if ( !cmcompress_compress_finalize(&mydata->CMCompressStream) )
{
delete mydata->OutputStream;
return -1;
}
delete mydata->OutputStream;
mydata->OutputStream = 0;
return (0);
}
//----------------------------------------------------------------------
int cmCPackTarCompressGenerator::InitializeInternal()
{
this->SetOptionIfNotSet("CPACK_INCLUDE_TOPLEVEL_DIRECTORY", "1");
return this->Superclass::InitializeInternal();
}
//----------------------------------------------------------------------
int cmCPackTarCompressGenerator::CompressFiles(const char* outFileName,
const char* toplevel, const std::vector<std::string>& files)
{
cmCPackLogger(cmCPackLog::LOG_DEBUG, "Toplevel: "
<< (toplevel ? toplevel : "(NULL)") << std::endl);
cmCPackTarCompress_Data mydata(this);
TAR *t;
char buf[TAR_MAXPATHLEN];
char pathname[TAR_MAXPATHLEN];
tartype_t compressType = {
(openfunc_t)cmCPackTarCompress_Data_Open,
(closefunc_t)cmCPackTarCompress_Data_Close,
(readfunc_t)0,
(writefunc_t)cmCPackTarCompress_Data_Write,
&mydata
};
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// This libtar is not const safe. Make a non-const copy of outFileName
char* realName = new char[ strlen(outFileName) + 1 ];
strcpy(realName, outFileName);
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int flags = O_WRONLY | O_CREAT;
int options = 0;
if(this->GeneratorVerbose)
{
options |= TAR_VERBOSE;
}
#ifdef __CYGWIN__
options |= TAR_GNU;
#endif
if (tar_open(&t, realName,
&compressType,
flags, 0644,
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options) == -1)
{
cmCPackLogger(cmCPackLog::LOG_ERROR, "Problem with tar_open(): "
<< strerror(errno) << std::endl);
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delete [] realName;
return 0;
}
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delete [] realName;
std::vector<std::string>::const_iterator fileIt;
for ( fileIt = files.begin(); fileIt != files.end(); ++ fileIt )
{
std::string rp = cmSystemTools::RelativePath(toplevel, fileIt->c_str());
strncpy(pathname, fileIt->c_str(), sizeof(pathname));
pathname[sizeof(pathname)-1] = 0;
strncpy(buf, rp.c_str(), sizeof(buf));
buf[sizeof(buf)-1] = 0;
if (tar_append_tree(t, pathname, buf) != 0)
{
cmCPackLogger(cmCPackLog::LOG_ERROR,
"Problem with tar_append_tree(\"" << buf << "\", \""
<< pathname << "\"): "
<< strerror(errno) << std::endl);
tar_close(t);
return 0;
}
}
if (tar_append_eof(t) != 0)
{
cmCPackLogger(cmCPackLog::LOG_ERROR, "Problem with tar_append_eof(): "
<< strerror(errno) << std::endl);
tar_close(t);
return 0;
}
if (tar_close(t) != 0)
{
cmCPackLogger(cmCPackLog::LOG_ERROR, "Problem with tar_close(): "
<< strerror(errno) << std::endl);
return 0;
}
return 1;
}
//----------------------------------------------------------------------
int cmCPackTarCompress_Compress_Output(void* client_data,
const char* data, int data_length)
{
if(!client_data)
{
return 0;
}
cmcompress_stream *cstream = static_cast<cmcompress_stream*>(client_data);
cmCPackTarCompress_Data *mydata
= static_cast<cmCPackTarCompress_Data*>(cstream->client_data);
if ( !mydata->OutputStream )
{
return 0;
}
mydata->OutputStream->write(data, data_length);
return data_length;
}
//----------------------------------------------------------------------
int cmCPackTarCompressGenerator::GenerateHeader(std::ostream* os)
{
(void)os;
return 1;
}