Indexer.h

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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.
 */
 
/// @author Piotr Kuchta, ECMWF, November 2015
 
#ifndef odc_Indexer_H
#define odc_Indexer_H
 
#include <vector>
 
#include "eckit/filesystem/PathName.h"
 
namespace odc {
 
typedef std::vector<std::pair<eckit::Offset,eckit::Length> > BlockOffsets;
typedef unsigned long long ullong;
 
class Indexer {
public:
    static void createIndex(const eckit::PathName&, const eckit::PathName&);
    static std::vector<eckit::PathName> createIndex(const std::vector<eckit::PathName>&);
 
    static ullong countRows(const std::vector<eckit::PathName>&, const std::vector<eckit::PathName>&);
 
private:
    static BlockOffsets offsetsOfBlocks(const eckit::PathName&);
};
 
} // namespace odc 
 
#endif