sourcemod/core/smn_handles.cpp
David Anderson 2fc806542a added usage of the Handle System to begin experimenting
--HG--
extra : convert_revision : svn%3A39bc706e-5318-0410-9160-8a85361fbb7c/trunk%40257
2007-01-01 19:50:16 +00:00

74 lines
1.8 KiB
C++

#include "sm_globals.h"
#include "HandleSys.h"
#include "PluginSys.h"
static cell_t sm_IsValidHandle(IPluginContext *pContext, const cell_t *params)
{
Handle_t hndl = static_cast<Handle_t>(params[1]);
HandleError err = g_HandleSys.ReadHandle(hndl, 0, NULL, NULL);
if (err != HandleError_Access
&& err != HandleError_None)
{
return 0;
}
return 1;
}
static cell_t sm_CloseHandle(IPluginContext *pContext, const cell_t *params)
{
Handle_t hndl = static_cast<Handle_t>(params[1]);
HandleError err = g_HandleSys.FreeHandle(hndl, NULL);
if (err == HandleError_None)
{
return 1;
} else if (err == HandleError_Access) {
return 0;
} else {
return pContext->ThrowNativeError("Handle %x is invalid (error %d)", hndl, err);
}
}
static cell_t sm_CloneHandle(IPluginContext *pContext, const cell_t *params)
{
Handle_t new_hndl;
Handle_t hndl = static_cast<Handle_t>(params[1]);
IPlugin *pPlugin;
HandleError err;
if (params[2] == 0)
{
pPlugin = g_PluginSys.FindPluginByContext(pContext->GetContext());
} else {
Handle_t hPlugin = static_cast<Handle_t>(params[2]);
pPlugin = g_PluginSys.PluginFromHandle(hPlugin, &err);
if (!pPlugin)
{
return pContext->ThrowNativeError("Plugin handle %x is invalid (error %d)", hndl, err);
}
}
err = g_HandleSys.CloneHandle(hndl, &new_hndl, pPlugin->GetIdentity(), NULL);
if (err == HandleError_Access)
{
return 0;
} else if (err == HandleError_None) {
return new_hndl;
} else {
return pContext->ThrowNativeError("Handle to clone %x is invalid (error %d)", hndl, err);
}
}
REGISTER_NATIVES(handles)
{
{"IsValidHandle", sm_IsValidHandle},
{"CloseHandle", sm_CloseHandle},
{"CloneHandle", sm_CloneHandle},
{NULL, NULL},
};