Claw  1.7.3
dynamic_library.cpp
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1 /*
2  CLAW - a C++ Library Absolutely Wonderful
3 
4  CLAW is a free library without any particular aim but being useful to
5  anyone.
6 
7  Copyright (C) 2005-2011 Julien Jorge
8 
9  This library is free software; you can redistribute it and/or
10  modify it under the terms of the GNU Lesser General Public
11  License as published by the Free Software Foundation; either
12  version 2.1 of the License, or (at your option) any later version.
13 
14  This library is distributed in the hope that it will be useful,
15  but WITHOUT ANY WARRANTY; without even the implied warranty of
16  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17  Lesser General Public License for more details.
18 
19  You should have received a copy of the GNU Lesser General Public
20  License along with this library; if not, write to the Free Software
21  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
22 
23  contact: julien.jorge@gamned.org
24 */
30 #include <claw/dynamic_library.hpp>
31 #include <claw/exception.hpp>
32 
33 /*----------------------------------------------------------------------------*/
39 claw::dynamic_library::dynamic_library( const std::string& name,
40  bool current_program )
41 {
42  if ( current_program )
43  m_handle = dynamic_library_traits::auto_open( name );
44  else
45  m_handle = dynamic_library_traits::open( name );
46 
47  if ( !dynamic_library_traits::valid_handle(m_handle) )
48  throw exception( "Can't open library '" + name + "'" );
49 } // dynamic_library::dynamic_library()
50 
51 /*----------------------------------------------------------------------------*/
56 {
58 } // dynamic_library::~dynamic_library()
59 
60 /*----------------------------------------------------------------------------*/
65 bool claw::dynamic_library::have_symbol( const std::string& name ) const
66 {
67  return dynamic_library_traits::have_symbol( m_handle, name );
68 } // dynamic_library::have_symbol()
69 
claw::dynamic_library::~dynamic_library
~dynamic_library()
Destructor (close the library).
Definition: dynamic_library.cpp:55
dynamic_library.hpp
A class to use dynamic libraries.
claw::dynamic_library_traits_unix::valid_handle
static bool valid_handle(handle h)
Tell if an handle is a valid library handle.
Definition: dynamic_library_traits_unix.hpp:125
claw::dynamic_library_traits_unix::open
static handle open(const std::string &name)
Open a library.
Definition: dynamic_library_traits_unix.hpp:56
claw::dynamic_library::dynamic_library
dynamic_library(const std::string &name, bool current_program=false)
Constructor.
Definition: dynamic_library.cpp:39
claw::dynamic_library::have_symbol
bool have_symbol(const std::string &name) const
Tell if the library has a symbol.
Definition: dynamic_library.cpp:65
claw::dynamic_library_traits_unix::close
static void close(handle h)
Close a library.
Definition: dynamic_library_traits_unix.hpp:87
claw::dynamic_library_traits_unix::have_symbol
static bool have_symbol(handle h, const std::string &name)
Tell if a symbol is in the library.
Definition: dynamic_library_traits_unix.hpp:115
claw::exception
A simple class to use as exception with string message.
Definition: exception.hpp:42
exception.hpp
A simple class to use as exception with string message.
claw::dynamic_library_traits_unix::auto_open
static handle auto_open(const std::string &name)
Open the current program.
Definition: dynamic_library_traits_unix.hpp:72