claw 1.9.0
 
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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@stuff-o-matic.com
24*/
31
32#include <claw/exception.hpp>
33
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
48 throw exception("Can't open library '" + name + "'");
49}
50
58
63bool claw::dynamic_library::have_symbol(const std::string& name) const
64{
65 return dynamic_library_traits::have_symbol(m_handle, name);
66}
static bool have_symbol(handle h, const std::string &name)
Tell if a symbol is in the library.
static handle open(const std::string &name)
Open a library.
static handle auto_open(const std::string &name)
Open the current program.
static void close(handle h)
Close a library.
static bool valid_handle(handle h)
Tell if an handle is a valid library handle.
bool have_symbol(const std::string &name) const
Tell if the library has a symbol.
dynamic_library(const std::string &name, bool current_program=false)
Constructor.
~dynamic_library()
Destructor (close the library).
A simple class to use as exception with string message.
Definition exception.hpp:43
A class to use dynamic libraries.
A simple class to use as exception with string message.