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parameter_registry_tmpl.hh
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			/**
			* @file parameter_registry_tmpl.hh
			*
			* @author Nicolas Richart <nicolas.richart@epfl.ch>
			*
			* @date creation: Wed May 04 2016
			* @date last modification: Tue Jan 30 2018
			*
			* @brief implementation of the templated part of ParameterRegistry class and
			* the derivated ones
			*
			*
			* Copyright (©) 2016-2018 EPFL (Ecole Polytechnique Fédérale de Lausanne)
			* Laboratory (LSMS - Laboratoire de Simulation en Mécanique des Solides)
			*
			* Akantu 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.
			*
			* Akantu 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 Akantu. If not, see <http://www.gnu.org/licenses/>.
			*
			*/

			/* -------------------------------------------------------------------------- */
			#include "aka_error.hh"
			#include "aka_iterators.hh"
			//#include "parameter_registry.hh"
			#include "parser.hh"
			/* -------------------------------------------------------------------------- */
			#include <algorithm>
			#include <set>
			#include <string>
			#include <vector>
			/* -------------------------------------------------------------------------- */

			#ifndef AKANTU_PARAMETER_REGISTRY_TMPL_HH_
			#define AKANTU_PARAMETER_REGISTRY_TMPL_HH_

			namespace akantu {

			namespace debug {
			class ParameterException : public Exception {
			public:
			ParameterException(const std::string & name, const std::string & message)
			: Exception(message), name(name) {}
			const std::string & name;
			};

			class ParameterUnexistingException : public ParameterException {
			public:
			ParameterUnexistingException(const std::string & name,
			const ParameterRegistry & registery)
			: ParameterException(name, "Parameter " + name +
			" does not exists in this scope") {
			auto && params = registery.listParameters();
			this->_info =
			std::accumulate(params.begin(), params.end(),
			this->_info + "\n Possible parameters are: ",
			[](auto && str, auto && param) {
			static auto first = true;
			auto ret = str + (first ? " " : ", ") + param;
			first = false;
			return ret;
			});
			}
			};

			class ParameterAccessRightException : public ParameterException {
			public:
			ParameterAccessRightException(const std::string & name,
			const std::string & perm)
			: ParameterException(name, "Parameter " + name + " is not " + perm) {}
			};

			class ParameterWrongTypeException : public ParameterException {
			public:
			ParameterWrongTypeException(const std::string & name,
			const std::type_info & wrong_type,
			const std::type_info & type)
			: ParameterException(name, "Parameter " + name +
			" type error, cannot convert " +
			debug::demangle(type.name()) + " to " +
			debug::demangle(wrong_type.name())) {}
			};
			} // namespace debug
			/* -------------------------------------------------------------------------- */
			template <typename T>
			const ParameterTyped<T> & Parameter::getParameterTyped() const {
			try {
			const auto & tmp = aka::as_type<ParameterTyped<T>>(*this);
			return tmp;
			} catch (std::bad_cast &) {
			AKANTU_CUSTOM_EXCEPTION(
			debug::ParameterWrongTypeException(name, typeid(T), this->type()));
			}
			}

			/* -------------------------------------------------------------------------- */
			template <typename T> ParameterTyped<T> & Parameter::getParameterTyped() {
			try {
			auto & tmp = aka::as_type<ParameterTyped<T>>(*this);
			return tmp;
			} catch (std::bad_cast &) {
			AKANTU_CUSTOM_EXCEPTION(
			debug::ParameterWrongTypeException(name, typeid(T), this->type()));
			}
			}

			/* ------------------------------------------------------------------------ */
			template <typename T, typename V> void Parameter::set(const V & value) {
			if (not isWritable()) {
			AKANTU_CUSTOM_EXCEPTION(
			debug::ParameterAccessRightException(name, "writable"));
			}
			ParameterTyped<T> & typed_param = getParameterTyped<T>();
			typed_param.setTyped(value);
			}

			/* ------------------------------------------------------------------------ */
			inline void Parameter::setAuto(const ParserParameter & /value/) {
			if (not isParsable()) {
			AKANTU_CUSTOM_EXCEPTION(
			debug::ParameterAccessRightException(name, "parsable"));
			}
			}

			/* -------------------------------------------------------------------------- */
			template <typename T> const T & Parameter::get() const {
			if (not isReadable()) {
			AKANTU_CUSTOM_EXCEPTION(
			debug::ParameterAccessRightException(name, "readable"));
			}
			const ParameterTyped<T> & typed_param = getParameterTyped<T>();
			return typed_param.getTyped();
			}

			/* -------------------------------------------------------------------------- */
			template <typename T> T & Parameter::get() {
			ParameterTyped<T> & typed_param = getParameterTyped<T>();
			if (not isReadable() or not this->isWritable()) {
			AKANTU_CUSTOM_EXCEPTION(
			debug::ParameterAccessRightException(name, "accessible"));
			}
			return typed_param.getTyped();
			}

			/* -------------------------------------------------------------------------- */
			template <typename T> inline Parameter::operator T() const {
			return this->get<T>();
			}

			/* -------------------------------------------------------------------------- */
			template <typename T>
			ParameterTyped<T>::ParameterTyped(const std::string & name,
			const std::string & description,
			ParameterAccessType param_type, T & param)
			: Parameter(name, description, param_type), param(param) {}

			/* -------------------------------------------------------------------------- */
			template <typename T>
			template <typename V>
			void ParameterTyped<T>::setTyped(const V & value) {
			param = value;
			}

			/* -------------------------------------------------------------------------- */
			template <typename T>
			inline void ParameterTyped<T>::setAuto(const ParserParameter & value) {
			Parameter::setAuto(value);
			param = static_cast<T>(value);
			}

			/* -------------------------------------------------------------------------- */
			template <>
			inline void
			ParameterTyped<std::string>::setAuto(const ParserParameter & value) {
			Parameter::setAuto(value);
			param = value.getValue();
			}

			/* -------------------------------------------------------------------------- */
			template <>
			inline void
			ParameterTyped<Vector<Real>>::setAuto(const ParserParameter & in_param) {
			Parameter::setAuto(in_param);
			Vector<Real> tmp = in_param;
			if (param.size() == 0) {
			param = tmp;
			} else {
			for (UInt i = 0; i < param.size(); ++i) {
			param(i) = tmp(i);
			}
			}
			}

			/* -------------------------------------------------------------------------- */
			template <>
			inline void
			ParameterTyped<Matrix<Real>>::setAuto(const ParserParameter & in_param) {
			Parameter::setAuto(in_param);
			Matrix<Real> tmp = in_param;
			if (param.size() == 0) {
			param = tmp;
			} else {
			for (UInt i = 0; i < param.rows(); ++i) {
			for (UInt j = 0; j < param.cols(); ++j) {
			param(i, j) = tmp(i, j);
			}
			}
			}
			}

			/* -------------------------------------------------------------------------- */
			template <typename T> const T & ParameterTyped<T>::getTyped() const {
			return param;
			}
			/* -------------------------------------------------------------------------- */
			template <typename T> T & ParameterTyped<T>::getTyped() { return param; }

			/* -------------------------------------------------------------------------- */
			template <typename T>
			inline void ParameterTyped<T>::printself(std::ostream & stream) const {
			Parameter::printself(stream);
			stream << param << "\n";
			}

			/* -------------------------------------------------------------------------- */
			template <typename T> class ParameterTyped<std::vector<T>> : public Parameter {
			public:
			ParameterTyped(const std::string & name, const std::string & description,
			ParameterAccessType param_type, std::vector<T> & param)
			: Parameter(name, description, param_type), param(param) {}

			/* ------------------------------------------------------------------------
			*/
			template <typename V> void setTyped(const V & value) { param = value; }
			void setAuto(const ParserParameter & value) override {
			Parameter::setAuto(value);
			param.zero();
			const std::vector<T> & tmp = value;
			for (auto && z : tmp) {
			param.emplace_back(z);
			}
			}

			std::vector<T> & getTyped() { return param; }
			const std::vector<T> & getTyped() const { return param; }

			void printself(std::ostream & stream) const override {
			Parameter::printself(stream);
			stream << "[ ";
			for (auto && v : param) {
			stream << v << " ";
			}
			stream << "]\n";
			}

			inline const std::type_info & type() const override {
			return typeid(std::vector<T>);
			}

			private:
			/// Value of parameter
			std::vector<T> & param;
			};

			/* -------------------------------------------------------------------------- */
			template <typename T> class ParameterTyped<std::set<T>> : public Parameter {
			public:
			ParameterTyped(const std::string & name, const std::string & description,
			ParameterAccessType param_type, std::set<T> & param)
			: Parameter(name, description, param_type), param(param) {}

			/* ------------------------------------------------------------------------
			*/
			template <typename V> void setTyped(const V & value) { param = value; }
			void setAuto(const ParserParameter & value) override {
			Parameter::setAuto(value);
			param.clear();
			const std::set<T> & tmp = value;
			for (auto && z : tmp) {
			param.emplace(z);
			}
			}

			std::set<T> & getTyped() { return param; }
			const std::set<T> & getTyped() const { return param; }

			void printself(std::ostream & stream) const override {
			Parameter::printself(stream);
			stream << "[ ";
			for (auto && v : param) {
			stream << v << " ";
			}
			stream << "]\n";
			}

			inline const std::type_info & type() const override {
			return typeid(std::set<T>);
			}

			private:
			/// Value of parameter
			std::set<T> & param;
			};

			/* -------------------------------------------------------------------------- */
			template <>
			inline void ParameterTyped<bool>::printself(std::ostream & stream) const {
			Parameter::printself(stream);
			stream << std::boolalpha << param << "\n";
			}

			/* -------------------------------------------------------------------------- */
			template <typename T>
			void ParameterRegistry::registerParam(const std::string & name, T & variable,
			ParameterAccessType type,
			const std::string & description) {
			auto it = params.find(name);
			if (it != params.end()) {
			AKANTU_CUSTOM_EXCEPTION(debug::ParameterException(
			name, "Parameter named " + name + " already registered."));
			}
			auto * param = new ParameterTyped<T>(name, description, type, variable);
			params[name] = param;
			}

			/* -------------------------------------------------------------------------- */
			template <typename T>
			void ParameterRegistry::registerParam(const std::string & name, T & variable,
			const T & default_value,
			ParameterAccessType type,
			const std::string & description) {
			variable = default_value;
			registerParam(name, variable, type, description);
			}

			/* -------------------------------------------------------------------------- */
			template <typename T, typename V>
			void ParameterRegistry::setMixed(const std::string & name, const V & value) {
			auto it = params.find(name);
			if (it == params.end()) {
			if (consisder_sub) {
			for (auto it = sub_registries.begin(); it != sub_registries.end(); ++it) {
			it->second->setMixed<T>(name, value);
			}
			} else {
			AKANTU_CUSTOM_EXCEPTION(debug::ParameterUnexistingException(name, *this));
			}
			} else {
			Parameter & param = *(it->second);
			param.set<T>(value);
			}
			}

			/* -------------------------------------------------------------------------- */
			template <typename T>
			void ParameterRegistry::set(const std::string & name, const T & value) {
			this->template setMixed<T>(name, value);
			}

			/* -------------------------------------------------------------------------- */
			template <typename T> T & ParameterRegistry::get_(const std::string & name) {
			auto it = params.find(name);
			if (it == params.end()) {
			if (consisder_sub) {
			for (auto it = sub_registries.begin(); it != sub_registries.end(); ++it) {
			try {
			return it->second->get_<T>(name);
			} catch (...) {
			}
			}
			}

			// nothing was found not even in sub registries
			AKANTU_CUSTOM_EXCEPTION(debug::ParameterUnexistingException(name, *this));
			}

			Parameter & param = *(it->second);
			return param.get<T>();
			}

			/* -------------------------------------------------------------------------- */
			const Parameter & ParameterRegistry::get(const std::string & name) const {
			auto it = params.find(name);
			if (it == params.end()) {
			if (consisder_sub) {
			for (auto it = sub_registries.begin(); it != sub_registries.end(); ++it) {
			try {
			return it->second->get(name);
			} catch (...) {
			}
			}
			}

			// nothing was found not even in sub registries
			AKANTU_CUSTOM_EXCEPTION(debug::ParameterUnexistingException(name, *this));
			}

			Parameter & param = *(it->second);
			return param;
			}

			/* -------------------------------------------------------------------------- */
			Parameter & ParameterRegistry::get(const std::string & name) {
			auto it = params.find(name);
			if (it == params.end()) {
			if (consisder_sub) {
			for (auto it = sub_registries.begin(); it != sub_registries.end(); ++it) {
			try {
			return it->second->get(name);
			} catch (...) {
			}
			}
			}

			// nothing was found not even in sub registries
			AKANTU_CUSTOM_EXCEPTION(debug::ParameterUnexistingException(name, *this));
			}

			Parameter & param = *(it->second);
			return param;
			}

			/* -------------------------------------------------------------------------- */
			namespace {
			namespace details {
			template <class T, class R, class Enable = void> struct CastHelper {
			static R convert(const T & /unused/) { throw std::bad_cast(); }
			};

			template <class T, class R>
			struct CastHelper<T, R,
			std::enable_if_t<std::is_convertible<T, R>::value>> {
			static R convert(const T & val) { return val; }
			};
			} // namespace details
			} // namespace

			template <typename T> inline ParameterTyped<T>::operator Real() const {
			if (not isReadable()) {
			AKANTU_CUSTOM_EXCEPTION(
			debug::ParameterAccessRightException(name, "accessible"));
			}
			return details::CastHelper<T, Real>::convert(param);
			}

			} // namespace akantu

			#endif /* AKANTU_PARAMETER_REGISTRY_TMPL_HH_ */

rAKA/src/io/parser/parameter_registry_tmpl.hh251af691556abugfixes/39-the-python…

parameter_registry_tmpl.hhView Options

rAKA/src/io/parser/parameter_registry_tmpl.hh
251af691556abugfixes/39-the-python…

parameter_registry_tmpl.hh
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