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parser.hh
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			/**
			* @file parser.hh
			*
			* @author Nicolas Richart <nicolas.richart@epfl.ch>
			*
			* @date creation: Wed Nov 13 2013
			* @date last modification: Fri Dec 08 2017
			*
			* @brief File parser interface
			*
			* @section LICENSE
			*
			* Copyright (©) 2014-2018 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_common.hh"
			#include "aka_random_generator.hh"
			/* -------------------------------------------------------------------------- */
			#include <map>
			/* -------------------------------------------------------------------------- */

			#ifndef __AKANTU_PARSER_HH__
			#define __AKANTU_PARSER_HH__

			namespace akantu {

			// clang-format off
			#define AKANTU_SECTION_TYPES \
			(cohesive_inserter) \
			(contact) \
			(embedded_interface) \
			(friction) \
			(global) \
			(heat) \
			(phase) \
			(integration_scheme) \
			(material) \
			(mesh) \
			(model) \
			(model_solver) \
			(neighborhood) \
			(neighborhoods) \
			(non_linear_solver) \
			(non_local) \
			(rules) \
			(solver) \
			(time_step_solver) \
			(user) \
			(weight_function) \
			(not_defined)
			// clang-format on

			/// Defines the possible section types
			AKANTU_CLASS_ENUM_DECLARE(ParserType, AKANTU_SECTION_TYPES)
			AKANTU_CLASS_ENUM_OUTPUT_STREAM(ParserType, AKANTU_SECTION_TYPES)
			AKANTU_CLASS_ENUM_INPUT_STREAM(ParserType, AKANTU_SECTION_TYPES)

			/// Defines the possible search contexts/scopes (for parameter search)
			enum ParserParameterSearchCxt {
			_ppsc_current_scope = 0x1,
			_ppsc_parent_scope = 0x2,
			_ppsc_current_and_parent_scope = 0x3
			};
			/* ------------------------------------------------------------------------ */
			/* Parameters Class */
			/* ------------------------------------------------------------------------ */
			class ParserSection;

			/// @brief The ParserParameter objects represent the end of tree branches as
			/// they
			/// are the different informations contained in the input file.
			class ParserParameter {
			public:
			ParserParameter()
			: name(std::string()), value(std::string()), dbg_filename(std::string()) {
			}

			ParserParameter(const std::string & name, const std::string & value,
			const ParserSection & parent_section)
			: parent_section(&parent_section), name(name), value(value),
			dbg_filename(std::string()) {}

			ParserParameter(const ParserParameter & param) = default;

			virtual ~ParserParameter() = default;

			/// Get parameter name
			const std::string & getName() const { return name; }
			/// Get parameter value
			const std::string & getValue() const { return value; }

			/// Set info for debug output
			void setDebugInfo(const std::string & filename, UInt line, UInt column) {
			dbg_filename = filename;
			dbg_line = line;
			dbg_column = column;
			}

			template <typename T> inline operator T() const;

			// template <typename T> inline operator Vector<T>() const;
			// template <typename T> inline operator Matrix<T>() const;

			/// Print parameter info in stream
			void printself(std::ostream & stream,
			__attribute__((unused)) unsigned int indent = 0) const {
			stream << name << ": " << value << " (" << dbg_filename << ":" << dbg_line
			<< ":" << dbg_column << ")";
			}

			private:
			void setParent(const ParserSection & sect) { parent_section = § }

			friend class ParserSection;

			private:
			/// Pointer to the parent section
			const ParserSection * parent_section{nullptr};
			/// Name of the parameter
			std::string name;
			/// Value of the parameter
			std::string value;
			/// File for debug output
			std::string dbg_filename;
			/// Position of parameter in parsed file
			UInt dbg_line, dbg_column;
			};

			/* ------------------------------------------------------------------------ */
			/* Sections Class */
			/* ------------------------------------------------------------------------ */
			/// ParserSection represents a branch of the parsing tree.
			class ParserSection {
			public:
			using SubSections = std::multimap<ParserType, ParserSection>;
			using Parameters = std::map<std::string, ParserParameter>;

			private:
			using const_section_iterator_ = SubSections::const_iterator;

			public:
			/* ------------------------------------------------------------------------ */
			/* SubSection iterator */
			/* ------------------------------------------------------------------------ */
			/// Iterator on sections
			class const_section_iterator {
			public:
			using iterator_category = std::forward_iterator_tag;
			using value_type = ParserSection;
			using pointer = ParserSection *;
			using reference = ParserSection &;

			const_section_iterator() = default;
			const_section_iterator(const const_section_iterator_ & it) : it(it) {}
			const_section_iterator(const const_section_iterator & other) = default;
			const_section_iterator &
			operator=(const const_section_iterator & other) = default;

			const ParserSection & operator*() const { return it->second; }
			const ParserSection * operator->() const { return &(it->second); }

			bool operator==(const const_section_iterator & other) const {
			return it == other.it;
			}

			bool operator!=(const const_section_iterator & other) const {
			return it != other.it;
			}

			const_section_iterator & operator++() {
			++it;
			return *this;
			}

			const_section_iterator operator++(int) {
			const_section_iterator tmp = *this;
			operator++();
			return tmp;
			}

			private:
			const_section_iterator_ it;
			};

			/* ------------------------------------------------------------------------ */
			/* Parameters iterator */
			/* ------------------------------------------------------------------------ */
			/// Iterator on parameters
			class const_parameter_iterator {
			public:
			const_parameter_iterator(const const_parameter_iterator & other) = default;
			const_parameter_iterator(const Parameters::const_iterator & it) : it(it) {}

			const_parameter_iterator &
			operator=(const const_parameter_iterator & other) {
			if (this != &other) {
			it = other.it;
			}
			return *this;
			}
			const ParserParameter & operator*() const { return it->second; }
			const ParserParameter * operator->() { return &(it->second); };
			bool operator==(const const_parameter_iterator & other) const {
			return it == other.it;
			}
			bool operator!=(const const_parameter_iterator & other) const {
			return it != other.it;
			}
			const_parameter_iterator & operator++() {
			++it;
			return *this;
			}
			const_parameter_iterator operator++(int) {
			const_parameter_iterator tmp = *this;
			operator++();
			return tmp;
			}

			private:
			Parameters::const_iterator it;
			};

			/* ---------------------------------------------------------------------- */
			ParserSection() : name(std::string()) {}

			ParserSection(const std::string & name, ParserType type)
			: parent_section(nullptr), name(name), type(type) {}

			ParserSection(const std::string & name, ParserType type,
			const std::string & option,
			const ParserSection & parent_section)
			: parent_section(&parent_section), name(name), type(type),
			option(option) {}

			ParserSection(const ParserSection & section)
			: parent_section(section.parent_section), name(section.name),
			type(section.type), option(section.option),
			parameters(section.parameters),
			sub_sections_by_type(section.sub_sections_by_type) {
			setChldrenPointers();
			}

			ParserSection & operator=(const ParserSection & other) {
			if (&other != this) {
			parent_section = other.parent_section;
			name = other.name;
			type = other.type;
			option = other.option;
			parameters = other.parameters;
			sub_sections_by_type = other.sub_sections_by_type;
			setChldrenPointers();
			}
			return *this;
			}

			virtual ~ParserSection();

			virtual void printself(std::ostream & stream, unsigned int indent = 0) const;

			/* ---------------------------------------------------------------------- */
			/* Creation functions */
			/* ---------------------------------------------------------------------- */
			public:
			ParserParameter & addParameter(const ParserParameter & param);
			ParserSection & addSubSection(const ParserSection & section);

			protected:
			/// Clean ParserSection content
			void clean() {
			parameters.clear();
			sub_sections_by_type.clear();
			}

			private:
			void setChldrenPointers() {
			for (auto && param_pair : this->parameters)
			param_pair.second.setParent(*this);

			for (auto && sub_sect_pair : this->sub_sections_by_type)
			sub_sect_pair.second.setParent(*this);
			}

			/* ---------------------------------------------------------------------- */
			/* Accessors */
			/* ---------------------------------------------------------------------- */
			public:
			class SubSectionsRange
			: public std::pair<const_section_iterator, const_section_iterator> {
			public:
			SubSectionsRange(const const_section_iterator & first,
			const const_section_iterator & second)
			: std::pair<const_section_iterator, const_section_iterator>(first,
			second) {}
			auto begin() { return this->first; }
			auto end() { return this->second; }
			};

			/// Get begin and end iterators on subsections of certain type
			auto getSubSections(ParserType type = ParserType::_not_defined) const {
			if (type != ParserType::_not_defined) {
			auto range = sub_sections_by_type.equal_range(type);
			return SubSectionsRange(range.first, range.second);
			} else {
			return SubSectionsRange(sub_sections_by_type.begin(),
			sub_sections_by_type.end());
			}
			}

			/// Get number of subsections of certain type
			UInt getNbSubSections(ParserType type = ParserType::_not_defined) const {
			if (type != ParserType::_not_defined) {
			return this->sub_sections_by_type.count(type);
			} else {
			return this->sub_sections_by_type.size();
			}
			}

			/// Get begin and end iterators on parameters
			auto getParameters() const {
			return std::pair<const_parameter_iterator, const_parameter_iterator>(
			parameters.begin(), parameters.end());
			}
			/* ---------------------------------------------------------------------- */
			/// Get parameter within specified context
			const ParserParameter & getParameter(
			const std::string & name,
			ParserParameterSearchCxt search_ctx = _ppsc_current_scope) const {
			Parameters::const_iterator it;
			if (search_ctx & _ppsc_current_scope)
			it = parameters.find(name);

			if (it == parameters.end()) {
			if ((search_ctx & _ppsc_parent_scope) && parent_section)
			return parent_section->getParameter(name, search_ctx);
			else {
			AKANTU_SILENT_EXCEPTION(
			"The parameter " << name
			<< " has not been found in the specified context");
			}
			}
			return it->second;
			}

			/* ------------------------------------------------------------------------ */
			/// Get parameter within specified context, with a default value in case the
			/// parameter does not exists
			template <class T>
			const T getParameter(
			const std::string & name, const T & default_value,
			ParserParameterSearchCxt search_ctx = _ppsc_current_scope) const {
			try {
			T tmp = this->getParameter(name, search_ctx);
			return tmp;
			} catch (debug::Exception &) {
			return default_value;
			}
			}

			/* ------------------------------------------------------------------------ */
			/// Check if parameter exists within specified context
			bool hasParameter(
			const std::string & name,
			ParserParameterSearchCxt search_ctx = _ppsc_current_scope) const {

			Parameters::const_iterator it;
			if (search_ctx & _ppsc_current_scope)
			it = parameters.find(name);

			if (it == parameters.end()) {
			if ((search_ctx & _ppsc_parent_scope) && parent_section)
			return parent_section->hasParameter(name, search_ctx);
			else {
			return false;
			}
			}
			return true;
			}

			/* --------------------------------------------------------------------------
			*/
			/// Get value of given parameter in context
			template <class T>
			T getParameterValue(
			const std::string & name,
			ParserParameterSearchCxt search_ctx = _ppsc_current_scope) const {
			const ParserParameter & tmp_param = getParameter(name, search_ctx);
			T t = tmp_param;
			return t;
			}

			/* --------------------------------------------------------------------------
			*/
			/// Get section name
			const std::string getName() const { return name; }
			/// Get section type
			ParserType getType() const { return type; }
			/// Get section option
			const std::string getOption(const std::string & def = "") const {
			return option != "" ? option : def;
			}

			protected:
			void setParent(const ParserSection & sect) { parent_section = § }

			/* ---------------------------------------------------------------------- */
			/* Members */
			/* ---------------------------------------------------------------------- */
			private:
			/// Pointer to the parent section
			const ParserSection * parent_section{nullptr};
			/// Name of section
			std::string name;
			/// Type of section, see AKANTU_SECTION_TYPES
			ParserType type{ParserType::_not_defined};
			/// Section option
			std::string option;
			/// Map of parameters in section
			Parameters parameters;
			/// Multi-map of subsections
			SubSections sub_sections_by_type;
			};

			/* ------------------------------------------------------------------------ */
			/* Parser Class */
			/* ------------------------------------------------------------------------ */
			/// Root of parsing tree, represents the global ParserSection
			class Parser : public ParserSection {
			public:
			Parser() : ParserSection("global", ParserType::_global) {}

			void parse(const std::string & filename);

			std::string getLastParsedFile() const;

			static bool isPermissive() { return permissive_parser; }

			public:
			/// Parse real scalar
			static Real parseReal(const std::string & value,
			const ParserSection & section);
			/// Parse real vector
			static Vector<Real> parseVector(const std::string & value,
			const ParserSection & section);
			/// Parse real matrix
			static Matrix<Real> parseMatrix(const std::string & value,
			const ParserSection & section);
			/// Parse real random parameter
			static RandomParameter<Real>
			parseRandomParameter(const std::string & value,
			const ParserSection & section);
			protected:
			/// General parse function
			template <class T, class Grammar>
			static T parseType(const std::string & value, Grammar & grammar);

			protected:
			// friend class Parsable;
			static bool permissive_parser;
			std::string last_parsed_file;
			};

			inline std::ostream & operator<<(std::ostream & stream,
			const ParserParameter & _this) {
			_this.printself(stream);
			return stream;
			}

			inline std::ostream & operator<<(std::ostream & stream,
			const ParserSection & section) {
			section.printself(stream);
			return stream;
			}

			} // namespace akantu

			namespace std {
			template <> struct iterator_traits<::akantu::Parser::const_section_iterator> {
			using iterator_category = input_iterator_tag;
			using value_type = ::akantu::ParserParameter;
			using difference_type = ptrdiff_t;
			using pointer = const ::akantu::ParserParameter *;
			using reference = const ::akantu::ParserParameter &;
			};
			} // namespace std

			#include "parser_tmpl.hh"

			#endif /* __AKANTU_PARSER_HH__ */

rAKA/src/io/parser/parser.hh770410836a9dbugfixes/32-python…

parser.hhView Options

rAKA/src/io/parser/parser.hh
770410836a9dbugfixes/32-python…

parser.hh
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