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/**********************************************************************
zipstream.cpp - Test compressed file reading of molecules
This file is part of the Open Babel project.
For more information, see <http://openbabel.org/>
Copyright (C) 2001-2009 Geoffrey R. Hutchison
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation version 2 of the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
***********************************************************************/
// used to set import/export for Cygwin DLLs
#ifdef WIN32
#define USING_OBDLL
#endif
#include <openbabel/babelconfig.h>
#include <fstream>
#include <openbabel/mol.h>
#include <openbabel/obconversion.h>
#include "../src/zipstream.h"
namespace OpenBabel
{
bool SafeOpen(std::ifstream &fs, const char *filename);
bool SafeOpen(std::ofstream &fs, const char *filename);
}
using namespace std;
using namespace OpenBabel;
#ifdef TESTDATADIR
string testdatadir = TESTDATADIR;
string smilestypes_file = testdatadir + "ziptest.sdf.gz";
#else
string smilestypes_file = "ziptest.sdf.gz";
#endif
int main(int argc,char *argv[])
{
// turn off slow sync with C-style output (we don't use it anyway).
std::ios::sync_with_stdio(false);
if (argc != 1)
{
cout << "Usage: zipstream\n";
cout << " Tests Open Babel compressed file reading." << endl;
return 0;
}
std::istream* pIn;
std::ifstream mifs;
if (!SafeOpen(mifs, smilestypes_file.c_str()))
{
cout << "Bail out! Cannot read test data " << smilestypes_file << endl;
return -1; // test failed
}
zlib_stream::zip_istream *zIn = new zlib_stream::zip_istream(mifs);
pIn = zIn;
// pIn = &mifs;
OBConversion conv(pIn, &cout);
if (! conv.SetInFormat("SDF"))
{
cout << "Bail out! SDF format is not loaded" << endl;
return -1;
}
unsigned int currentMol = 0;
OBMol mol;
std::vector<streampos> offsets; // positions of each molecule
offsets.push_back(pIn->tellg());
for (;pIn->good();)
{
mol.Clear();
conv.Read(&mol);
offsets.push_back(pIn->tellg());
// cout << " tellg: " << pIn->tellg() << endl;
currentMol++;
}
// output the number of tests run
cout << "1.." << (--currentMol * 2) << endl;
pIn->clear();
bool success;
// First test seekoff()
for (unsigned int i = 0; i < currentMol; ++i) {
pIn->seekg(offsets[i], std::ios_base::beg);
success = conv.Read(&mol);
if (!success)
cout << "not ok " << i+1 << endl;
else
cout << "ok " << i+1 << " # " << mol.NumAtoms() << endl;
}
// Now test seekpos()
for (unsigned int i = 0; i < currentMol; ++i) {
pIn->seekg(offsets[i]);
success = conv.Read(&mol);
if (!success)
cout << "not ok " << i+1+currentMol << endl;
else
cout << "ok " << i+1+currentMol << " # " << mol.NumAtoms() << endl;
}
// Passed Test
return 0;
}
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