null.cpp

来自「一个任天堂掌上游戏机NDS的源代码」· C++ 代码 · 共 80 行

/**************************************************************************
* DSemu - The Next Generation                                             *
* Null base plugin: Implementation [null.cpp]                             *
* Copyright Imran Nazar, 2005; released under the BSD public licence.     *
**************************************************************************/

#include "null.h"
#include "log.h"

//---Static private class members------------------------------------------
// Every plugin has an INFO structure attached, with info about the plugin.

PLUGININFO nullPlugin::pInfo={
    PLUGIN_TYPE_NULL,
    0x00010001,
    "Null plugin",
    "DSemu-ng"
};

std::string nullPlugin::pluginName;

// Initialise plugin: register with MMU mmio space
nullPlugin::nullPlugin(std::string name, REQPTR req, UNREQPTR unreq)
{
    pName = std::string(name);
    pClass = pName.substr(0, pName.find(".")+1);
    pRequest = req;
    pUnrequest = unreq;

    pluginName = pName;

    Logger::log(pluginName) << "Initialised.";
}

// Shut down plugin
nullPlugin::~nullPlugin()
{
    Logger::log(pluginName) << "Shutdown.";
}

// Reset plugin: Clear internal values and registers
void nullPlugin::reset()
{
}

// Provide status: Nothing to say, really
void nullPlugin::status(int opt1, int opt2)
{
}

//---Plugin Support--------------------------------------------------------
// Retrieve Plugin class from outside
// Parameters: plg   - Address of a pointer to a Plugin class to 'new'
//             name  - FQPN of plugin as listed in INI file
//             req   - Pointer to PluginRequest API function
//             unreq - Pointer to PluginUnrequest API function
EXPORTFUNC void getPlugin(Plugin **plg,
                          std::string name,
                          REQPTR req, UNREQPTR unreq)
{
    // Initialise a new Test plugin at the parameter
    *plg = new nullPlugin(name, req, unreq);
}

// Provide plugin version information
PLUGININFO *nullPlugin::getinfo()
{
    return &pInfo;
}

// Release plugin from outside
void nullPlugin::release()
{
    // Delete the Test plugin that was 'new'd in getPlugin.
    delete this;
}

/*** EOF: null.cpp *******************************************************/