project64/Source/Project64/Plugins/PluginList.cpp

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/****************************************************************************
* *
* Project64 - A Nintendo 64 emulator. *
* http://www.pj64-emu.com/ *
* Copyright (C) 2012 Project64. All rights reserved. *
* *
* License: *
* GNU/GPLv2 http://www.gnu.org/licenses/gpl-2.0.html *
* *
****************************************************************************/
#include "stdafx.h"
#include <io.h>
#include "PluginList.h"
#include <Project64-core/Plugins/PluginBase.h>
CPluginList::CPluginList(bool bAutoFill /* = true */) :
m_PluginDir(g_Settings->LoadStringVal(Directory_Plugin), "")
{
if (bAutoFill)
{
LoadList();
}
}
CPluginList::~CPluginList()
{
}
int CPluginList::GetPluginCount() const
{
return m_PluginList.size();
}
const CPluginList::PLUGIN * CPluginList::GetPluginInfo(int indx) const
{
if (indx < 0 || indx >= (int)m_PluginList.size())
{
return NULL;
}
return &m_PluginList[indx];
}
bool CPluginList::LoadList()
{
WriteTrace(TraceUserInterface, TraceDebug, "Start");
m_PluginList.clear();
AddPluginFromDir(m_PluginDir);
WriteTrace(TraceUserInterface, TraceDebug, "Done");
return true;
}
void CPluginList::AddPluginFromDir(CPath Dir)
{
Dir.SetNameExtension("*");
if (Dir.FindFirst(CPath::FIND_ATTRIBUTE_SUBDIR))
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{
do
{
AddPluginFromDir(Dir);
} while (Dir.FindNext());
Dir.UpDirectory();
}
Dir.SetNameExtension("*.dll");
if (Dir.FindFirst())
{
HMODULE hLib = NULL;
do
{
if (hLib)
{
FreeLibrary(hLib);
hLib = NULL;
}
//UINT LastErrorMode = SetErrorMode( SEM_FAILCRITICALERRORS );
WriteTrace(TraceUserInterface, TraceDebug, "loading %s", (LPCSTR)Dir);
hLib = LoadLibrary(Dir);
//SetErrorMode(LastErrorMode);
if (hLib == NULL)
{
DWORD LoadError = GetLastError();
WriteTrace(TraceUserInterface, TraceDebug, "failed to load %s (error: %d)", (LPCSTR)Dir, LoadError);
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continue;
}
void(CALL *GetDllInfo) (PLUGIN_INFO * PluginInfo);
GetDllInfo = (void(CALL *)(PLUGIN_INFO *))GetProcAddress(hLib, "GetDllInfo");
if (GetDllInfo == NULL)
{
continue;
}
PLUGIN Plugin = { 0 };
Plugin.Info.MemoryBswaped = true;
GetDllInfo(&Plugin.Info);
if (!CPlugin::ValidPluginVersion(Plugin.Info))
{
continue;
}
Plugin.FullPath = Dir;
Plugin.FileName = stdstr((const char *)Dir).substr(strlen(m_PluginDir));
if (GetProcAddress(hLib, "DllAbout") != NULL)
{
Plugin.AboutFunction = true;
}
m_PluginList.push_back(Plugin);
} while (Dir.FindNext());
if (hLib)
{
FreeLibrary(hLib);
hLib = NULL;
}
}
}