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aka_abaqus_parser.hh
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/**
* @file aka_abaqus_parser.hh
* @author Alejandro M. Aragón <alejandro.aragon@epfl.ch>
* @date Fri Oct 7 10:47:00 2011
*
* @brief Objects and functions needed for parsing Abaqus input files
*
* @section LICENSE
*
* Copyright (©) 2010-2011 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/>.
*
*/
/* -------------------------------------------------------------------------- */
#ifndef __AKANTU_ABAQUS_PARSER_HH__
#define __AKANTU_ABAQUS_PARSER_HH__
#include <iostream>
// other external library header files
#include<boost/tokenizer.hpp>
__BEGIN_AKANTU__
using std::cout;
using std::endl;
//! Check for empty string
template <class string_type>
bool empty_string(const string_type& s) {
// loop over string characters
for (int i=0; i<s.size(); ++i)
// check if character is a space character: ' ' space, '\t' horizontal tab,
// '\n' newline, '\v' vertical tab, '\f' feed, '\r' carriage return
if (!isspace(s[i]))
return false;
return true;
}
template <class input_stream_type, class string_type, typename counter_type>
bool getline(input_stream_type& is, string_type& str, counter_type& n) {
// get line from file input stream
std::getline(is, str);
// increment line counter
++n;
// get position of comment sequence
size_t pos = str.find("**");
if (pos == 0)
return false;
else if (pos != std::string::npos)
str = str.substr(pos, str.size());
// else line is not a comment
// skip line if empty
if (empty_string(str)) {
cout<<"*** WARNING *** Found empty line at location "<<n<<endl;
return false;
}
return true;
}
template <class container_type>
void tokenize(const typename container_type::value_type& str,
container_type& tokens) {
typedef typename container_type::value_type string_type;
typedef typename string_type::value_type value_type;
boost::char_separator<value_type> sep(" \t*=,\r\n");
tokenize(str, tokens, sep);
}
template <class container_type, class separator_list>
void tokenize(const typename container_type::value_type& str,
container_type& tokens,
separator_list& sep) {
typedef typename container_type::value_type string_type;
typedef typename string_type::value_type value_type;
typedef typename string_type::traits_type traits_type;
typedef typename string_type::const_iterator const_iterator;
typedef boost::tokenizer< separator_list, const_iterator, string_type> tokenizer_type;
// tokenize string
tokenizer_type t(str, sep);
// add tokens to container
tokens.assign(t.begin(), t.end());
}
template <class string_type, class separator_list>
string_type first_token(const string_type& str, separator_list& sep) {
typedef typename string_type::value_type value_type;
typedef typename string_type::traits_type traits_type;
typedef typename string_type::const_iterator const_iterator;
typedef boost::tokenizer< separator_list, const_iterator, string_type> tokenizer_type;
// tokenize string
tokenizer_type t(str, sep);
return *t.begin();
}
template <class container_type>
const typename container_type::value_type& value_for_key(const char* key, const container_type& tokens) {
for (typename container_type::const_iterator it = tokens.begin(); it != tokens.end(); ++it)
if (*it == key) {
// advance and return dereferenced iterator
assert (++it != tokens.end());
return *it;
}
}
template <typename T, class string_type, typename counter_type>
T stream_cast(const string_type& s, counter_type n) {
typedef typename string_type::value_type char_type;
typedef typename string_type::traits_type traits_type;
typename std::basic_istringstream<char_type, traits_type> iss(s);
T x = T();
char c;
iss >> x;
// cout<<" iss bad -> "<<iss.bad()<<endl;
if (!(iss) || iss.get(c)) {
cout<<"*** WARNING *** Bad conversion to type "<<typeid(T).name()<<" in line "<<n<<endl;
exit(EXIT_FAILURE);
}
return x;
}
template <typename T, typename counter_type>
T stream_cast(const char* cstr, counter_type n) {
return stream_cast<T>(std::string(cstr), n);
}
// \todo remove this function after finding out why the badbit is set in
// ci_string
template <typename T, typename counter_type>
T stream_cast(const ci_string& str, counter_type n) {
return stream_cast<T>(str.data(), n);
}
class Abaqus_element_map {
typedef ci_string key_type;
typedef std::map<key_type, ElementType> map_type;
typedef map_type::const_iterator map_iterator;
map_type map;
public:
Abaqus_element_map() {
// 2D element types
map["CPE3"] = _triangle_3;
map["CPS3"] = _triangle_3;
map["DC2D3"] = _triangle_3;
map["CPE6"] = _triangle_6;
map["CPS6"] = _triangle_6;
map["DC2D6"] = _triangle_6;
map["CPE4"] = _quadrangle_4;
map["CPS4"] = _quadrangle_4;
map["DC2D4"] = _quadrangle_4;
map["CPE8"] = _quadrangle_8;
map["CPS8"] = _quadrangle_8;
map["DC2D8"] = _quadrangle_8;
// 3D element types
map["C3D4"] = _tetrahedron_4;
map["DC3D4"] = _tetrahedron_4;
map["C3D8"] = _hexahedron_8;
map["DC3D8"] = _hexahedron_8;
map["C3D10"] = _tetrahedron_10;
map["DC3D10"] = _tetrahedron_10;
}
ElementType operator[](const key_type& id) {
map_iterator it = map.find(id);
if (it == map.end()) {
cout<<"*** ERROR *** Abaqus element with ID "<<id<<" not found in map"<<endl;
cout<<"*** ABORT ***"<<endl;
exit(EXIT_FAILURE);
}
return it->second;
}
UInt dimension(const key_type& id) {
map_iterator it = map.find(id);
if (it == map.end()) {
cout<<"*** ERROR *** Abaqus element with ID "<<id<<" not found in map"<<endl;
cout<<"*** ABORT ***"<<endl;
exit(EXIT_FAILURE);
}
return Mesh::getSpatialDimension(it->second);
}
};
__END_AKANTU__
#endif /* __AKANTU_ABAQUS_PARSER_HH__ */

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