opm-simulators/opm/models/utils/parametersystem.hpp

415 lines
12 KiB
C++

// -*- mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
// vi: set et ts=4 sw=4 sts=4:
/*
This file is part of the Open Porous Media project (OPM).
OPM is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 2 of the License, or
(at your option) any later version.
OPM 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with OPM. If not, see <http://www.gnu.org/licenses/>.
Consult the COPYING file in the top-level source directory of this
module for the precise wording of the license and the list of
copyright holders.
*/
/*!
* \file
*
* \brief This file provides the infrastructure to retrieve run-time parameters
*
* Internally, runtime parameters are implemented using
* Dune::ParameterTree with the default value taken from the parameter
* definition.
*/
#ifndef OPM_PARAMETER_SYSTEM_HPP
#define OPM_PARAMETER_SYSTEM_HPP
#if HAVE_QUAD
#include <opm/material/common/quad.hpp>
#endif // HAVE_QUAD
#include <dune/common/classname.hh>
#include <dune/common/parametertree.hh>
#include <charconv>
#include <cstdlib>
#include <functional>
#include <fstream>
#include <iostream>
#include <list>
#include <map>
#include <set>
#include <sstream>
#include <stdexcept>
#include <string>
#include <utility>
#include <tuple>
#include <type_traits>
#include <vector>
#include <unistd.h>
#include <sys/ioctl.h>
namespace Opm::Parameters {
namespace detail {
template <typename, class = void>
struct has_name : public std::false_type {};
template <typename T>
struct has_name<T, std::void_t<decltype(std::declval<T>().name)>>
: public std::true_type {};
//! get the name data member of a parameter
template<class Parameter>
auto getParamName()
{
if constexpr (has_name<Parameter>::value) {
return Parameter::name;
} else {
std::string paramName = Dune::className<Parameter>();
paramName.replace(0, std::strlen("Opm::Parameters::"), "");
const auto pos = paramName.find_first_of('<');
if (pos != std::string::npos) {
paramName.erase(pos);
}
return paramName;
}
}
//! \brief Private implementation.
template<class ParamType>
ParamType Get_(const std::string& paramName, ParamType defaultValue,
bool errorIfNotRegistered);
//! \brief Private implementation.
void Hide_(const std::string& paramName);
//! \brief Private implementation.
bool IsSet_(const std::string& paramName, bool errorIfNotRegistered);
//! \brief Private implementation.
void Register_(const std::string& paramName,
const std::string& paramTypeName,
const std::string& defaultValue,
const char* usageString);
//! \brief Private implementation.
void SetDefault_(const std::string& paramName,
const std::string& paramValue);
}
struct ParamInfo
{
std::string paramName;
std::string paramTypeName;
std::string typeTagName;
std::string usageString;
std::string defaultValue;
bool isHidden;
bool operator==(const ParamInfo& other) const;
};
struct MetaData
{
using type = Dune::ParameterTree;
static Dune::ParameterTree& tree()
{ return *storage_().tree; }
static std::map<std::string, ParamInfo>& mutableRegistry()
{ return storage_().registry; }
static const std::map<std::string, ParamInfo>& registry()
{ return storage_().registry; }
static bool& registrationOpen()
{ return storage_().registrationOpen; }
static void clear()
{
storage_().tree = std::make_unique<Dune::ParameterTree>();
storage_().registrationOpen = true;
storage_().registry.clear();
}
private:
// this is not pretty, but handling these attributes as static variables inside
// member functions of the ParameterMetaData property class triggers a bug in clang
// 3.5's address sanitizer which causes these variables to be initialized multiple
// times...
struct Storage_
{
Storage_()
{
tree = std::make_unique<Dune::ParameterTree>();
registrationOpen = true;
}
std::unique_ptr<Dune::ParameterTree> tree;
std::map<std::string, ParamInfo> registry;
bool registrationOpen;
};
static Storage_& storage_()
{
static Storage_ obj;
return obj;
}
};
std::string breakLines(const std::string& msg,
int indentWidth,
int maxWidth);
int getTtyWidth();
//! \endcond
/*!
* \ingroup Parameter
* \brief Print a usage message for all run-time parameters.
*
* \param helpPreamble The string that is printed after the error message and before the
* list of parameters.
* \param errorMsg The error message to be printed, if any
* \param os The \c std::ostream which should be used.
*/
void printUsage(const std::string& helpPreamble,
const std::string& errorMsg = "",
std::ostream& os = std::cerr,
const bool showAll = false);
//! \brief Callback function for command line parsing.
using PositionalArgumentCallback = std::function<int(std::function<void(const std::string&,
const std::string&)>,
std::set<std::string>&,
std::string&,
int,
const char**,
int,
int)>;
/*!
* \ingroup Parameter
* \brief Parse the parameters provided on the command line.
*
* This function does some basic syntax checks.
*
* \param argc The number of parameters passed by the operating system to the
* main() function
* \param argv The array of strings passed by the operating system to the main()
* function
* \param helpPreamble If non-empty, the --help and -h parameters will be recognized and
* the content of the string will be printed before the list of
* command line parameters
* \return Empty string if everything worked out. Otherwise the thing that could
* not be read.
*/
std::string
parseCommandLineOptions(int argc,
const char **argv,
const PositionalArgumentCallback& posArgCallback,
const std::string& helpPreamble = "");
/*!
* \ingroup Parameter
* \brief Read the parameters from an INI-style file.
*
* This function does some basic syntax checks.
*/
void parseParameterFile(const std::string& fileName, bool overwrite = true);
/*!
* \ingroup Parameter
* \brief Print values of the run-time parameters.
*
* \param os The \c std::ostream on which the message should be printed
*/
void printValues(std::ostream& os = std::cout);
/*!
* \ingroup Parameter
* \brief Print the list of unused run-time parameters.
*
* \param os The \c std::ostream on which the message should be printed
*
* \return true if something was printed
*/
bool printUnused(std::ostream& os = std::cout);
/*!
* \ingroup Parameter
*
* \brief Retrieve a runtime parameter.
*
* The default value is specified in the parameter struct.
*
* Example:
*
* \code
* // Retrieves value UpwindWeight, default
* // is taken from the property UpwindWeight
* ::Opm::Parameters::get<::Opm::Parameters::UpwindWeight>();
* \endcode
*/
template <class Param>
auto Get(bool errorIfNotRegistered = true)
{
using ParamType = std::conditional_t<std::is_same_v<decltype(Param::value),
const char* const>, std::string,
std::remove_const_t<decltype(Param::value)>>;
ParamType defaultValue = Param::value;
return detail::Get_(detail::getParamName<Param>(),
defaultValue, errorIfNotRegistered);
}
/*!
* \ingroup Parameter
*
* \brief Set a runtime parameter.
*
* Override the default value specified.
*
* Example:
*
* \code
* // Set the value UpwindWeight
* ::Opm::Parameters::Set<::Opm::Parameters::UpwindWeight>(3.0);
* \endcode
*/
template <class Param>
void SetDefault(decltype(Param::value) new_value)
{
const std::string paramName = detail::getParamName<Param>();
std::ostringstream oss;
oss << new_value;
detail::SetDefault_(paramName, oss.str());
}
/*!
* \brief A struct holding the key-value pair for a parameter.
*/
struct Parameter
{
Parameter(const std::string& k, const std::string& v)
: key(k), value(v)
{}
friend std::ostream& operator<<(std::ostream& os, const Parameter& param)
{
os << param.key << "=\"" << param.value << '"';
return os;
}
bool operator==(const Parameter& setting) const
{
return setting.key == key
&& setting.value == value;
}
bool operator !=(const Parameter& setting) const
{
return !(*this == setting);
}
std::string key, value;
};
/*!
* \brief Retrieves the lists of parameters specified at runtime and their values.
*
* The two arguments besides the TypeTag are assumed to be STL containers which store
* std::pair<std::string, std::string>.
*/
void getLists(std::vector<Parameter>& usedParams,
std::vector<Parameter>& unusedParams);
/*!
* \brief Reset parameter system.
*/
void reset();
/*!
* \brief Returns true if a parameter has been specified at runtime, false
* otherwise.
*
* If the parameter in question has not been registered, this throws an exception.
*/
template <class Param>
bool IsSet(bool errorIfNotRegistered = true)
{
return detail::IsSet_(detail::getParamName<Param>(), errorIfNotRegistered);
}
/*!
* \ingroup Parameter
*
* \brief Register a run-time parameter.
*
* In OPM, parameters can only be used after they have been
* registered.
*
* Example:
*
* \code
* // Registers a run-time parameter "UpwindWeight"
* and the description "Relative weight of the upwind node."
* Register<UpwindWeight>("Relative weight of the upwind node.");
* \endcode
*/
template <class Param>
void Register(const char* usageString)
{
const std::string paramName = detail::getParamName<Param>();
const auto defaultValue = Param::value;
using ParamType = std::conditional_t<std::is_same_v<decltype(defaultValue),
const char* const>, std::string,
std::remove_const_t<decltype(defaultValue)>>;
std::ostringstream oss;
oss << defaultValue;
detail::Register_(paramName, Dune::className<ParamType>(), oss.str(), usageString);
}
/*!
* \brief Indicate that a given parameter should not be mentioned in the help message
*
* This allows to deal with unused parameters
*/
template <class Param>
void Hide()
{
detail::Hide_(detail::getParamName<Param>());
}
/*!
* \brief Query whether parameter registration is open or not.
* \return True if registration is open, false otherwise
*/
bool IsRegistrationOpen();
/*!
* \brief Indicate that all parameters are registered for a given type tag.
*
* If registerParam is called after the invocation of
* \c endParamRegistration, a <tt>std::logic_error</tt> exception
* will be thrown.
*/
void endRegistration();
//! \endcond
} // namespace Opm::Parameters
#endif // OPM_PARAMETER_SYSTEM_HPP