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parser_grammar_tmpl.hh
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Thu, Aug 15, 03:47
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rAKA akantu
parser_grammar_tmpl.hh
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/**
* @file parser_grammar_tmpl.hh
*
* @author Nicolas Richart <nicolas.richart@epfl.ch>
*
* @date creation: Wed Nov 11 2015
* @date last modification: Sun Dec 03 2017
*
* @brief implementation of the templated part of ParsableParam Parsable and
* ParsableParamTyped
*
*
* Copyright (©) 2015-2018 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 <boost/config/warning_disable.hpp>
#include <boost/spirit/include/classic_position_iterator.hpp>
#include <boost/spirit/include/qi.hpp>
#include <boost/spirit/include/support_multi_pass.hpp>
/* -------------------------------------------------------------------------- */
#ifndef AKANTU_PARSER_GRAMMAR_TMPL_HH
#define AKANTU_PARSER_GRAMMAR_TMPL_HH
namespace
akantu
{
namespace
qi
=
boost
::
spirit
::
qi
;
/* -------------------------------------------------------------------------- */
template
<
class
T
,
class
Grammar
>
T
Parser
::
parseType
(
const
std
::
string
&
value
,
Grammar
&
grammar
)
{
using
boost
::
spirit
::
ascii
::
space
;
std
::
string
::
const_iterator
b
=
value
.
begin
();
std
::
string
::
const_iterator
e
=
value
.
end
();
T
resultat
=
T
();
bool
res
=
false
;
try
{
res
=
qi
::
phrase_parse
(
b
,
e
,
grammar
,
space
,
resultat
);
}
catch
(
debug
::
Exception
&
ex
)
{
AKANTU_EXCEPTION
(
"Could not parse '"
<<
value
<<
"' as a "
<<
debug
::
demangle
(
typeid
(
T
).
name
())
<<
", an unknown error append '"
<<
ex
.
what
());
}
if
(
!
res
||
(
b
!=
e
))
{
AKANTU_EXCEPTION
(
"Could not parse '"
<<
value
<<
"' as a "
<<
debug
::
demangle
(
typeid
(
T
).
name
())
<<
", an unknown error append '"
<<
std
::
string
(
value
.
begin
(),
b
)
<<
"<HERE>"
<<
std
::
string
(
b
,
e
)
<<
"'"
);
}
return
resultat
;
}
namespace
parser
{
template
<
class
Iterator
>
struct
Skipper
{
using
type
=
qi
::
rule
<
Iterator
,
void
()
>
;
};
}
// namespace parser
}
// namespace akantu
#endif
// AKANTU_PARSER_GRAMMAR_TMPL_HH
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