CompareTool.cc

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/*
 * (C) Copyright 1996-2012 ECMWF.
 * 
 * This software is licensed under the terms of the Apache Licence Version 2.0
 * which can be obtained at http://www.apache.org/licenses/LICENSE-2.0. 
 * In applying this licence, ECMWF does not waive the privileges and immunities 
 * granted to it by virtue of its status as an intergovernmental organisation nor
 * does it submit to any jurisdiction.
 */
 
#include "eckit/exception/Exceptions.h"
#include "eckit/filesystem/PathName.h"
#include "eckit/log/Log.h"
#include "eckit/utils/StringTools.h"
#include "eckit/log/Timer.h"
#include "odc/Comparator.h"
#include "odc/Reader.h"
#include "odc/tools/CompareTool.h"
 
using namespace std;
using namespace eckit;
 
namespace odc {
namespace tool {
 
CompareTool::CompareTool (int argc, char *argv[])
: Tool(argc, argv) 
{
    registerOptionWithArgument("-excludeColumnsTypes");
    registerOptionWithArgument("-excludeColumns");
    if (parameters().size() != 3)
    {
        Log::error() << "Usage:";
        usage(parameters(0), Log::error());
        Log::error() << std::endl;
        throw Exception("Wrong number of parameters.");
    }
 
    PathName p;
    if (! (p = PathName(parameters()[1])).exists()
        || ! (p = PathName(parameters()[2])).exists())
    {
        stringstream s;
        s << "File " << p << " does not exist.";
        throw Exception(s.str());
    }
 
    file1_ = new PathName(parameters()[1]);
    file2_ = new PathName(parameters()[2]);
}
 
 
void CompareTool::run()
{
    Timer t(std::string("Comparing files ") + *file1_ + " and " + *file2_);
    odc::Reader oda1(*file1_);
    odc::Reader oda2(*file2_);
 
    odc::Reader::iterator it1(oda1.begin());
    odc::Reader::iterator end1(oda1.end());
    odc::Reader::iterator it2(oda2.begin());
    odc::Reader::iterator end2(oda2.end());
 
    std::vector<std::string> excludedColumnsTypes = StringTools::split(",", optionArgument("-excludeColumnsTypes", std::string("")));
    std::vector<std::string> excludedColumns = StringTools::split(",", optionArgument("-excludeColumns", std::string("")));
 
    if (excludedColumnsTypes.size()) {
        Log::info() << "excludedColumnsTypes:" << excludedColumnsTypes << std::endl;
    }
 
    if (excludedColumns.size()) {
        Log::info() << "excludedColumns:" << excludedColumns << std::endl;
    }
 
    bool checkMissing = ! optionIsSet("-dontCheckMissing");
    odc::Comparator(checkMissing).compare(it1, end1, it2, end2, *file1_, *file2_, excludedColumnsTypes, excludedColumns);
}
 
} // namespace tool 
} // namespace odc