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rAKA/src/io/parser/parser.hh
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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: Thu Aug 21 2014
*
* @brief File parser interface
*
* @section LICENSE
*
* Copyright (©) 2014 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__
__BEGIN_AKANTU__
#define AKANTU_SECTION_TYPES \
(global) \
(material) \
(model) \
(mesh) \
(heat) \
(contact) \
(friction) \
(embedded_interface) \
(rules) \
(neighborhoods) \
(non_local) \
(weight_function) \
(neighborhood) \
(user) \
(not_defined)
#define AKANTU_SECTION_TYPES_PREFIX(elem) BOOST_PP_CAT(_st_, elem)
#define AKANTU_SECT_PREFIX(s, data, elem) AKANTU_SECTION_TYPES_PREFIX(elem)
/// Defines the possible section types
enum SectionType {
BOOST_PP_SEQ_ENUM(BOOST_PP_SEQ_TRANSFORM(AKANTU_SECT_PREFIX, _, AKANTU_SECTION_TYPES))
};
#undef AKANTU_SECT_PREFIX
#define AKANTU_SECTION_TYPE_PRINT_CASE(r, data, elem) \
case AKANTU_SECTION_TYPES_PREFIX(elem): { \
stream << BOOST_PP_STRINGIZE(AKANTU_SECTION_TYPES_PREFIX(elem)); \
break; \
}
inline std::ostream & operator <<(std::ostream & stream, SectionType type) {
switch(type) {
BOOST_PP_SEQ_FOR_EACH(AKANTU_SECTION_TYPE_PRINT_CASE, _, AKANTU_SECTION_TYPES)
default: stream << "not a SectionType"; break;
}
return stream;
}
#undef AKANTU_SECTION_TYPE_PRINT_CASE
/// 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() :
parent_section(NULL),
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) :
parent_section(param.parent_section),
name(param.name), value(param.value),
dbg_filename(param.dbg_filename),
dbg_line(param.dbg_line),
dbg_column(param.dbg_column) {}
virtual ~ParserParameter() {}
/// 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, unsigned int indent = 0) const {
stream << name << ": " << value
<< " (" << dbg_filename << ":" << dbg_line << ":" << dbg_column << ")";
}
private:
void setParent(const ParserSection & sect) {
parent_section = &sect;
}
friend class ParserSection;
private:
/// Pointer to the parent section
const ParserSection * parent_section;
/// 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:
typedef std::multimap<SectionType, ParserSection> SubSections;
typedef std::map<std::string, ParserParameter> Parameters;
private:
typedef SubSections::const_iterator const_section_iterator_;
public:
/* ------------------------------------------------------------------------ */
/* SubSection iterator */
/* ------------------------------------------------------------------------ */
/// Iterator on sections
class const_section_iterator {
public:
const_section_iterator(const const_section_iterator & other) : it(other.it) { }
const_section_iterator(const const_section_iterator_ & it) : it(it) { }
const_section_iterator & operator=(const const_section_iterator & other) {
if(this != &other) {
it = other.it;
}
return *this;
}
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) : it(other.it) { }
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() :
parent_section(NULL),
name(std::string()), type(_st_not_defined){}
ParserSection(const std::string & name, SectionType type) :
parent_section(NULL), name(name), type(type) {}
ParserSection(const std::string & name, SectionType 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);
/// Clear ParserSection content
void clear() {parameters.clear(); sub_sections_by_type.clear();}
private:
void setChldrenPointers() {
Parameters::iterator pit = this->parameters.begin();
for(;pit != this->parameters.end(); ++pit) pit->second.setParent(*this);
SubSections::iterator sit = this->sub_sections_by_type.begin();
for (;sit != this->sub_sections_by_type.end(); ++sit) sit->second.setParent(*this);
}
/* ---------------------------------------------------------------------- */
/* Accessors */
/* ---------------------------------------------------------------------- */
public:
/// Get begin and end iterators on subsections of certain type
std::pair<const_section_iterator, const_section_iterator>
getSubSections(SectionType type = _st_not_defined) const {
if(type != _st_not_defined) {
std::pair<const_section_iterator_, const_section_iterator_> range =
sub_sections_by_type.equal_range(type);
return std::pair<const_section_iterator, const_section_iterator>(range.first, range.second);
} else {
return std::pair<const_section_iterator, const_section_iterator>(sub_sections_by_type.begin(),
sub_sections_by_type.end());
}
}
/// Get begin and end iterators on parameters
std::pair<const_parameter_iterator, const_parameter_iterator>
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;
}
/* ------------------------------------------------------------------------ */
/// 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
const SectionType & getType() const { return type; }
/// Get section option
const std::string & getOption() const { return option; }
protected:
void setParent(const ParserSection & sect) {
parent_section = &sect;
}
/* ---------------------------------------------------------------------- */
/* Members */
/* ---------------------------------------------------------------------- */
private:
/// Pointer to the parent section
const ParserSection * parent_section;
/// Name of section
std::string name;
/// Type of section, see AKANTU_SECTION_TYPES
SectionType type;
/// 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", _st_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;
}
__END_AKANTU__
#include "parser_tmpl.hh"
#endif /* __AKANTU_PARSER_HH__ */
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