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/*=========================================================================
Program: GDCM (Grassroots DICOM). A DICOM library
Copyright (c) 2006-2011 Mathieu Malaterre
All rights reserved.
See Copyright.txt or http://gdcm.sourceforge.net/Copyright.html for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notice for more information.
=========================================================================*/
#include "gdcmReader.h"
#include "gdcmFileMetaInformation.h"
#include "gdcmFile.h"
#include "gdcmTesting.h"
#include "gdcmMediaStorage.h"
#include "gdcmSystem.h"
#include "gdcmDirectory.h"
static int TestReadUpToTag(const char* filename, bool verbose = false)
{
if( verbose )
std::cout << "TestRead: " << filename << std::endl;
std::ifstream is( filename, std::ios::binary );
gdcm::Reader reader;
reader.SetStream( is );
// Let's read up to Pixel Data el...
gdcm::Tag pixeldata (0x7fe0,0x0010);
std::set<gdcm::Tag> skiptags;
// ... but do not read it (to skip mem allocation)
skiptags.insert( pixeldata );
if ( !reader.ReadUpToTag( pixeldata, skiptags) )
{
if( verbose )
std::cerr << "TestReadError: Failed to read: " << filename << std::endl;
return 1;
}
is.clear();
std::streamoff outStreamOffset = is.tellg();
#if 0
const gdcm::FileMetaInformation &h = reader.GetFile().GetHeader();
const gdcm::DataSet &ds = reader.GetFile().GetDataSet();
std::cout << ds << std::endl;
#endif
if(verbose)
std::cout << "{ \"" << filename << "\"," << outStreamOffset << " }," << std::endl;
std::streamoff refoffset = gdcm::Testing::GetStreamOffsetFromFile(filename);
if( refoffset != outStreamOffset && (refoffset || verbose) )
{
std::cerr << filename << ": " << outStreamOffset << " should be " << refoffset << std::endl;
return 1;
}
is.close();
return 0;
}
static int TestReadUpToTagExtra()
{
const char *extradataroot = gdcm::Testing::GetDataExtraRoot();
if( !extradataroot )
{
return 1;
}
if( !gdcm::System::FileIsDirectory(extradataroot) )
{
std::cerr << "No such directory: " << extradataroot << std::endl;
return 1;
}
gdcm::Directory d;
unsigned int nfiles = d.Load( extradataroot, true ); // no recursion
std::cout << "done retrieving file list. " << nfiles << " files found." << std::endl;
gdcm::Directory::FilenamesType const & fns = d.GetFilenames();
int r = 0;
for( gdcm::Directory::FilenamesType::const_iterator it = fns.begin();
it != fns.end(); ++it )
{
const char *filename = it->c_str();
r += TestReadUpToTag( filename );
}
return r;
}
int TestReaderUpToTag1(int argc, char *argv[])
{
if( argc == 2 )
{
const char *filename = argv[1];
return TestReadUpToTag(filename, true);
}
// else
gdcm::Trace::DebugOff();
gdcm::Trace::WarningOff();
gdcm::Trace::ErrorOff();
int r = 0, i = 0;
const char *filename;
const char * const *filenames = gdcm::Testing::GetFileNames();
while( (filename = filenames[i]) )
{
r += TestReadUpToTag( filename );
++i;
}
// puposely discard gdcmDataExtra test, this is just an 'extra' test...
int b2 = TestReadUpToTagExtra(); (void)b2;
return r;
}
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