I have a plugin structure similar to this in an Anjuta project based on
gtkmm:
//-------------- Plugin.hpp
#ifndef _PLUGIN_HPP_
#define _PLUGIN_HPP_
#include <glibmm/ustring.h>
#include "config.hpp"
#define INIT_PLUGIN(plugin_class) \
extern "C" CPlugin* createPlugin(){ \
return new plugin_class; \
}\
\
extern "C" void destroyPlugin(CPlugin* p_plugin){ \
delete p_plugin; \
}\
class CPlugin;
typedef CPlugin* t_CreatePlugin();
typedef void t_DestroyPlugin(CPlugin* p_plugin);
/*------------------------------------------------------
Clase base para la creación de plugins.
--------------------------------------------------------*/
class CPlugin
{
public:
CPlugin(void){
m_type = -1;
}
virtual ~CPlugin(void){}
int getType(void){
return m_type;
}
virtual bool init(void){}
void setCfg(CConfig* p_config){
m_config = p_config;
}
protected:
int m_type;
CConfig* m_config;
};
#endif // _PLUGIN_HPP_
//-------------- TestPlugin.hpp
#ifndef _TESTPLUGIN_HPP_
#define _TESTPLUGINHPP_
#include "plugin.hpp"
class CTestPlugin: public CPlugin
{
public:
CTestPlugin(void):CPlugin(){
m_type = 1;
}
~CTestPlugin(void){}
bool init(void){
if(m_config){
m_config->getDir();
}
}
};
INIT_PLUGIN( CTestPlugin )
#endif // _TESTPLUGIN_HPP_
//-------------------------------------------------------------------------
The loading of a TestPlugin is correct, but when I try the next code:
...
CConfig aCfg;
...
aTestPlugin->setCfg(&aCfg);
aTestPlugin->init();
...
I got the next error in the call to init:
./test: symbol lookup error: ../plugins/.libs/libtest.so.0: undefined
symbol: _ZN13setCfgC1Ev
Other problem I have, is that I can't move the implementation code of
Plugin members to a .cpp file, because I have the same error but with
the members of Plugin:
./test: symbol lookup error: ../plugins/.libs/libtest.so.0: undefined
symbol: _ZN13CPluginC1Ev
Please I need Help on that!!!!
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