mirror of
https://github.com/triqs/dft_tools
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a920697e78
- string size in h5. Add +1 (or empty string is wrong). - parameters : modified flags from python - minor corrections in wrapper
52 lines
1.9 KiB
C++
52 lines
1.9 KiB
C++
/*******************************************************************************
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*
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* TRIQS: a Toolbox for Research in Interacting Quantum Systems
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*
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* Copyright (C) 2011-2014 by O. Parcollet
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*
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* TRIQS is free software: you can redistribute it and/or modify it under the
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* terms of the GNU General Public License as published by the Free Software
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* Foundation, either version 3 of the License, or (at your option) any later
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* version.
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*
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* TRIQS is distributed in the hope that it will be useful, but WITHOUT ANY
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* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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* details.
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*
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* You should have received a copy of the GNU General Public License along with
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* TRIQS. If not, see <http://www.gnu.org/licenses/>.
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*
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******************************************************************************/
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#include "./string.hpp"
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namespace triqs {
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namespace h5 {
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void h5_write (group g, std::string const & name, std::string const & value) {
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try {
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H5::StrType strdatatype(H5::PredType::C_S1, value.size() + 1); // +1 for the 0 terminating char
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H5::DataSet ds = g.create_dataset(name, strdatatype, H5::DataSpace());
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ds.write((void*)(value.c_str()), strdatatype );
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}
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TRIQS_ARRAYS_H5_CATCH_EXCEPTION;
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}
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void h5_read (group g, std::string const & name, std::string & value) {
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try {
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H5::DataSet ds = g.open_dataset(name);
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H5::DataSpace dataspace = ds.getSpace();
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int rank = dataspace.getSimpleExtentNdims();
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if (rank != 0) TRIQS_RUNTIME_ERROR << "Reading a string and got rank !=0";
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size_t size = ds.getStorageSize();
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H5::StrType strdatatype(H5::PredType::C_S1, size);
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std::vector<char> buf(size+1, 0x00);
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ds.read( (void *)(&buf[0]), strdatatype, H5::DataSpace(), H5::DataSpace() );
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value = ""; value.append( &(buf.front()) );
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}
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TRIQS_ARRAYS_H5_CATCH_EXCEPTION;
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}
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}}
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