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Tue, Nov 5, 15:40

dumper_text.hh
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/**
* @file dumper_text.hh
*
* @author David Simon Kammer <david.kammer@epfl.ch>
*
* @date creation: Tue May 14 2013
* @date last modification: Tue Sep 02 2014
*
* @brief header for dumper text
*
*
* Copyright (©) 2014 EPFL (Ecole Polytechnique Fédérale de Lausanne)
* Laboratory (LSMS - Laboratoire de Simulation en Mécanique des Solides)
*
* IOHelper is free software: you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License as published by the Free
* Software Foundation, either version 3 of the License, or (at your option) any
* later version.
*
* IOHelper 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 Lesser General Public License for more
* details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with IOHelper. If not, see <http://www.gnu.org/licenses/>.
*
*/
/* -------------------------------------------------------------------------- */
#ifndef IOHELPER_DUMPER_TEXT_H_
#define IOHELPER_DUMPER_TEXT_H_
/* -------------------------------------------------------------------------- */
#include <map>
#include <string>
#include "dumper.hh"
#include "file_manager.hh"
/* -------------------------------------------------------------------------- */
namespace iohelper {
/** Class DumperText
* Implementation of a dumper to text file
*/
class DumperText : public Dumper, public Visitor {
/* ------------------------------------------------------------------------ */
/* Constructors/Destructors */
/* ------------------------------------------------------------------------ */
public:
DumperText(TextDumpMode md = _tdm_space,
const std::string & prefix = "./",
bool file_per_time_step = false);
~DumperText() override;
/* ------------------------------------------------------------------------ */
/* Methods */
/* ------------------------------------------------------------------------ */
void dump(const std::string & name, UInt count) override;
void setEmbeddedValue(const std::string & /*name*/,
int /*value*/) {};
void dumpDescription(char descr_sep = ' ') override;
virtual void dumpFieldDescription(char descr_sep = ' ');
virtual void dumpTimeDescription(char descr_sep = ' ');
/* ------------------------------------------------------------------------ */
/* Accessors */
/* ------------------------------------------------------------------------ */
void setDataSubDirectory(const std::string & name);
std::string getDataSubDirectory();
void setDataFileExtensions(const std::string & ext);
void setDumpMode(const TextDumpMode & mode);
void setPrecision(UInt prec) { this->precision = prec; };
//! visitor system
template <typename T> void visitField(T & visited);
template <typename T> void visitVariable(T & visited);
/* ------------------------------------------------------------------------ */
/* Class Members */
/* ------------------------------------------------------------------------ */
private:
using FileMap = std::map<std::string, File *>;
/**
* another base name so that you will never understand how iohelper
* does what it does (now useless so it is commented but not removed
* for historical reasons)
*/
// std::string yet_another_base_name;
/// name of simulation, time and field description options
std::string sim_name;
std::string time_name;
std::string field_name;
char description_sep;
/// this is a separator !!
TextDumpMode dump_mode;
char separator;
char comment;
UInt precision;
bool file_per_time_step;
bool is_first_dump;
FileMap file_map;
};
/* -------------------------------------------------------------------------- */
template <typename T>
void DumperText::visitField(T & visited) {
File file;
if (this->file_per_time_step || this->is_first_dump) {
file.open(this->getAbsoluteFilePath(this->getBaseName() + "_" + visited.getName(),
"data_fields"),
std::fstream::out);
}
else {
file.open(this->getAbsoluteFilePath(this->getBaseName() + "_" + visited.getName(),
"data_fields"),
std::fstream::out | std::fstream::app);
}
file << std::scientific << std::setprecision(this->precision);
typename T::iterator it = visited.begin();
typename T::iterator end = visited.end();
UInt dim = visited.getDim();
for (; it != end; ++it) {
for (UInt i=0; i<dim; ++i) {
if (i != 0) {
file << this->separator;
}
file << (*it)[i];
}
file << std::endl;
}
file << std::endl;
file.close();
}
/* -------------------------------------------------------------------------- */
template <typename T>
void DumperText::visitVariable(T & visited) {
// only root rank dumps variables
if (this->my_rank != this->root_rank) {
return;
}
const std::string & name = visited.getName();
auto it = this->file_map.find(name);
auto end = this->file_map.end();
File * file;
if (it == end) {
auto * new_file = new File;
new_file->open(this->getAbsoluteFilePath(this->getBaseName() + "_" + name,
"data_variables"),
std::fstream::out);
this->file_map[name] = new_file;
file = new_file;
(*file) << std::scientific << std::setprecision(this->precision);
}
else {
file = it->second;
}
UInt dim = visited.getDim();
// File file = it->second;
for (UInt i=0; i<dim; ++i) {
if (i != 0) {
(*file) << this->separator;
}
(*file) << (*visited)[i];
}
(*file) << std::endl;
}
/* -------------------------------------------------------------------------- */
}
#endif /* IOHELPER_DUMPER_TEXT_H_ */

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