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71 lines
2.9 KiB
C++
71 lines
2.9 KiB
C++
// $Id: tabularfile.hpp 1078 2012-09-25 11:13:53Z veralh $
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// Copyright (c) 2011, Norwegian Computing Center
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// All rights reserved.
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// Redistribution and use in source and binary forms, with or without modification,
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// are permitted provided that the following conditions are met:
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// • Redistributions of source code must retain the above copyright notice, this
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// list of conditions and the following disclaimer.
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// • Redistributions in binary form must reproduce the above copyright notice, this list of
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// conditions and the following disclaimer in the documentation and/or other materials
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// provided with the distribution.
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
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// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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// OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
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// SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
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// OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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// HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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// EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#ifndef NRLIB_IOTOOLS_TABULARFILE_HPP
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#define NRLIB_IOTOOLS_TABULARFILE_HPP
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#include <cassert>
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#include <string>
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#include <vector>
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namespace NRLib {
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/// Class for files with tabular data, i.e. data values separated by a delimiter.
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/// Currently only supports doubles separated by spaces with an optional text header.
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class TabularFile
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{
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public:
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explicit TabularFile(const std::string& filename);
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TabularFile(const std::string& filename, size_t first_data_line, size_t n_columns, bool read_last_line = true);
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/// Simple check of file. Just checks that the file contains tabular data.
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/// \param[out] first_data_line Number of lines with header data.
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static bool CheckFile(const std::string& filename,
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size_t& first_data_line,
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size_t& n_columns,
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bool& read_last_line,
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std::string& last_line);
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void ReadFromFile(const std::string& filename,
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size_t first_data_line,
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size_t n_columns,
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bool read_last_line = true);
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size_t GetNColumns() const { return columns_.size(); }
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inline const std::vector<double>& GetColumn(size_t i) const;
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private:
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std::vector<std::vector<double> > columns_;
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};
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// ========== INLINE FUNCTIONS =========
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const std::vector<double>& TabularFile::GetColumn(size_t i) const
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{
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assert(i < columns_.size());
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return columns_[i];
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}
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} // namespace NRLib
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#endif // NRLIB_IOTOOLS_TABULARFILE_HPP
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