Page Menu
Home
c4science
Search
Configure Global Search
Log In
Files
F79345030
cppargparse.hh
No One
Temporary
Actions
Download File
Edit File
Delete File
View Transforms
Subscribe
Mute Notifications
Award Token
Subscribers
None
File Metadata
Details
File Info
Storage
Attached
Created
Sun, Aug 25, 22:51
Size
5 KB
Mime Type
text/x-c++
Expires
Tue, Aug 27, 22:51 (2 d)
Engine
blob
Format
Raw Data
Handle
20148430
Attached To
rAKA akantu
cppargparse.hh
View Options
/**
* @file cppargparse.hh
*
* @author Nicolas Richart <nicolas.richart@epfl.ch>
*
* @date creation: Thu Apr 03 2014
* @date last modification: Mon Sep 15 2014
*
* @brief Get the commandline options and store them as short, long and others
*
* @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 <map>
#include <string>
#include <iostream>
#include <vector>
#ifndef __CPPARGPARSE_HH__
#define __CPPARGPARSE_HH__
namespace
cppargparse
{
enum
ArgumentType
{
_string
,
_integer
,
_float
,
_boolean
};
enum
ArgumentNargs
{
_one_if_possible
=
-
1
,
_at_least_one
=
-
2
,
_any
=
-
3
};
enum
ParseFlags
{
_no_flags
=
0x0
,
_stop_on_not_parsed
=
0x1
,
_remove_parsed
=
0x2
};
inline
ParseFlags
operator
|
(
const
ParseFlags
&
a
,
const
ParseFlags
&
b
)
{
ParseFlags
tmp
=
ParseFlags
(
int
(
a
)
|
int
(
b
));
return
tmp
;
}
class
ArgumentParser
{
public
:
class
Argument
{
public
:
Argument
()
:
name
(
std
::
string
())
{}
virtual
~
Argument
()
{}
virtual
void
printself
(
std
::
ostream
&
stream
)
const
=
0
;
template
<
class
T
>
operator
T
()
const
;
std
::
string
name
;
};
/// constructor
ArgumentParser
();
/// destroy everything
~
ArgumentParser
();
/// add an argument with a description
void
addArgument
(
const
std
::
string
&
name_or_flag
,
const
std
::
string
&
help
,
int
nargs
=
1
,
ArgumentType
type
=
_string
);
/// add an argument with an help and a default value
template
<
class
T
>
void
addArgument
(
const
std
::
string
&
name_or_flag
,
const
std
::
string
&
help
,
int
nargs
,
ArgumentType
type
,
T
def
);
/// add an argument with an help and a default + const value
template
<
class
T
>
void
addArgument
(
const
std
::
string
&
name_or_flag
,
const
std
::
string
&
help
,
int
nargs
,
ArgumentType
type
,
T
def
,
T
cons
);
/// parse argc, argv
void
parse
(
int
&
argc
,
char
**&
argv
,
int
flags
=
_stop_on_not_parsed
,
bool
parse_help
=
true
);
/// get the last argc parsed
int
&
getARGC
()
{
return
*
argc
;
}
/// get the last argv parsed
char
**
&
getARGV
()
{
return
*
argv
;
}
/// print the content in the stream
void
printself
(
std
::
ostream
&
stream
)
const
;
/// print the help text
void
print_help
(
std
::
ostream
&
stream
=
std
::
cout
)
const
;
/// print the usage text
void
print_usage
(
std
::
ostream
&
stream
=
std
::
cout
)
const
;
/// set an external function to replace the exit function from the stdlib
void
setExternalExitFunction
(
void
(
*
external_exit
)(
int
))
{
this
->
external_exit
=
external_exit
;
}
/// accessor for a registered argument that was parsed, throw an exception if
/// the argument does not exist or was not set (parsed or default value)
const
Argument
&
operator
[](
const
std
::
string
&
name
)
const
;
/// is the argument present
bool
has
(
const
std
::
string
&
)
const
;
/// set the parallel context to avoid multiple help messages in
/// multiproc/thread cases
void
setParallelContext
(
int
prank
,
int
psize
);
public
:
class
_Argument
;
template
<
class
T
>
class
ArgumentStorage
;
private
:
_Argument
&
_addArgument
(
const
std
::
string
&
name_or_flag
,
const
std
::
string
&
description
,
int
nargs
,
ArgumentType
type
);
void
_exit
(
const
std
::
string
&
msg
=
""
,
int
status
=
0
);
bool
checkType
(
ArgumentType
type
,
const
std
::
string
&
value
)
const
;
void
print_usage_nargs
(
std
::
ostream
&
stream
,
const
_Argument
&
argument
)
const
;
void
print_help_argument
(
std
::
ostream
&
stream
,
const
_Argument
&
argument
)
const
;
private
:
typedef
std
::
map
<
std
::
string
,
_Argument
*>
_Arguments
;
typedef
std
::
map
<
std
::
string
,
Argument
*>
Arguments
;
typedef
std
::
map
<
std
::
string
,
_Argument
*>
ArgumentKeyMap
;
typedef
std
::
vector
<
_Argument
*>
PositionalArgument
;
/// internal view of arguments
_Arguments
arguments
;
ArgumentKeyMap
key_args
;
/// positional arguments to parse
PositionalArgument
pos_args
;
/// Success fully parsed arguments
Arguments
success_parsed
;
/// program name
std
::
string
program_name
;
/// exit function to use
void
(
*
external_exit
)(
int
);
/// Parallel context, rank and size of communicator
int
prank
,
psize
;
/// The last argc parsed (those are the modified version after parse)
int
*
argc
;
/// The last argv parsed (those are the modified version after parse)
char
***
argv
;
};
}
inline
std
::
ostream
&
operator
<<
(
std
::
ostream
&
stream
,
const
cppargparse
::
ArgumentParser
&
argparse
)
{
argparse
.
printself
(
stream
);
return
stream
;
}
#endif
/* __CPPARGPARSE_HH__ */
#include "cppargparse_tmpl.hh"
Event Timeline
Log In to Comment