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lm_parser.hh
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/**
* @file lm_parser.hh
*
* @author Guillaume Anciaux <guillaume.anciaux@epfl.ch>
*
* @date Wed Jul 02 16:25:38 2014
*
* @brief This is the central parser for LM
*
* @section LICENSE
*
* Copyright INRIA and CEA
*
* The LibMultiScale is a C++ parallel framework for the multiscale
* coupling methods dedicated to material simulations. This framework
* provides an API which makes it possible to program coupled simulations
* and integration of already existing codes.
*
* This Project was initiated in a collaboration between INRIA Futurs Bordeaux
* within ScAlApplix team and CEA/DPTA Ile de France.
* The project is now continued at the Ecole Polytechnique Fédérale de Lausanne
* within the LSMS/ENAC laboratory.
*
* This software is governed by the CeCILL-C license under French law and
* abiding by the rules of distribution of free software. You can use,
* modify and/ or redistribute the software under the terms of the CeCILL-C
* license as circulated by CEA, CNRS and INRIA at the following URL
* "http://www.cecill.info".
*
* As a counterpart to the access to the source code and rights to copy,
* modify and redistribute granted by the license, users are provided only
* with a limited warranty and the software's author, the holder of the
* economic rights, and the successive licensors have only limited
* liability.
*
* In this respect, the user's attention is drawn to the risks associated
* with loading, using, modifying and/or developing or reproducing the
* software by the user in light of its specific status of free software,
* that may mean that it is complicated to manipulate, and that also
* therefore means that it is reserved for developers and experienced
* professionals having in-depth computer knowledge. Users are therefore
* encouraged to load and test the software's suitability as regards their
* requirements in conditions enabling the security of their systems and/or
* data to be ensured and, more generally, to use and operate it in the
* same conditions as regards security.
*
* The fact that you are presently reading this means that you have had
* knowledge of the CeCILL-C license and that you accept its terms.
*
*/
/* -------------------------------------------------------------------------- */
#ifndef __LIBMULTISCALE_LM_PARSER_HH__
#define __LIBMULTISCALE_LM_PARSER_HH__
/* -------------------------------------------------------------------------- */
#include "algebraic_parser.hh"
#include "parse_result.hh"
#include "quantity.hh"
#include "units.hh"
#include "units_converter.hh"
#include <fstream>
#include <list>
#include <vector>
/* -------------------------------------------------------------------------- */
__BEGIN_LIBMULTISCALE__
/* -------------------------------------------------------------------------- */
// backward declaration
class Parsable;
/* -------------------------------------------------------------------------- */
struct UnableToParseWord : public LibMultiScaleException {
UnableToParseWord() throw()
: LibMultiScaleException("unable to parse word"){};
};
/* -------------------------------------------------------------------------- */
class Parser {
/* ------------------------------------------------------------------------ */
/* Typedefs */
/* ------------------------------------------------------------------------ */
friend class Parsable;
/* ------------------------------------------------------------------------ */
/* Methods */
/* ------------------------------------------------------------------------ */
public:
//! generic parse function of any quantity
template <typename T>
static UInt parse(T &val, std::stringstream &line, UInt n_entries = 0);
//! parse a configuration file
static void parseConfigFile(const std::string &file,
const std::string &section_name,
const std::string &section_id, Parsable &obj);
//! substitute simple/environment variables in string
static void substituteVariables(std::string &str);
//! parse for generic keywords
static UInt parseGenericKeywords(std::string &linebuffer, Parsable &obj);
//! ask to free memory allocated
static void freeMemory();
//! ask to unstack words declared as parsed by the ParseResult argument
static void shiftLine(const ParseResult &parsed, std::stringstream &line);
//! return the current file being read
static std::string getCurrentConfigFile();
//! return the current line
static UInt getCurrentLine();
//! return a string with the parser state ready to print
static std::string getParserState();
//! rewind to a precise line in the current file
static void rewindToLine(UInt line);
//! return map of algebraic variables
static std::map<std::string, double> &getAlgebraicVariables();
//! read a line in a file even if multiline
static void getLine(std::ifstream &file, std::string &line,
UInt &current_line);
//! read coming word
static UInt strNext(std::string &str, std::stringstream &line);
/* ------------------------------------------------------------------------ */
/* Class Members */
/* ------------------------------------------------------------------------ */
public:
//! ostream to where to write parser logs
static std::ofstream fout;
//! units converter for the LM blocks in the parser
static UnitsConverter units_converter;
//! math parser object that allow using math expressions in the config files
static AlgebraicExpressionParser math_parser;
private:
friend class BoundaryType;
//! stack of units system for the sections
static std::vector<UnitSystem> section_units;
//! stack of opened file for include system
static std::vector<std::string> opened_files;
//! stack of opened file current lines
static std::vector<UInt> current_line;
//! stack of opened file stream
static std::vector<std::ifstream *> opened_ifstreams;
//! stack of opened for sections
static std::vector<UInt> for_starting_line;
//! stack of items to iterate on
static std::vector<std::list<std::string>> for_items;
//! stack of variable to iterate in for loops
static std::vector<std::string> for_var;
};
__END_LIBMULTISCALE__
/* -------------------------------------------------------------------------- */
#include "lm_parser_inline_impl.hh"
/* -------------------------------------------------------------------------- */
#endif /* __LIBMULTISCALE_LM_PARSER_HH__ */

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