790 lines
		
	
	
		
			18 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			790 lines
		
	
	
		
			18 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| // vim: set ts=4 sw=4 tw=99 noet :
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| // =============================================================================
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| // SourceMod
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| // Copyright (C) 2004-2015 AlliedModders LLC.  All rights reserved.
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| // =============================================================================
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| //
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| // This program is free software; you can redistribute it and/or modify it under
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| // the terms of the GNU General Public License, version 3.0, as published by the
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| // Free Software Foundation.
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| // 
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| // This program is distributed in the hope that it will be useful, but WITHOUT
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| // ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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| // FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
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| // details.
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| //
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| // You should have received a copy of the GNU General Public License along with
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| // this program.  If not, see <http://www.gnu.org/licenses/>.
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| //
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| // As a special exception, AlliedModders LLC gives you permission to link the
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| // code of this program (as well as its derivative works) to "Half-Life 2," the
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| // "Source Engine," the "SourcePawn JIT," and any Game MODs that run on software
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| // by the Valve Corporation.  You must obey the GNU General Public License in
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| // all respects for all other code used.  Additionally, AlliedModders LLC grants
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| // this exception to all derivative works.  AlliedModders LLC defines further
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| // exceptions, found in LICENSE.txt (as of this writing, version JULY-31-2007),
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| // or <http://www.sourcemod.net/license.php>.
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| 
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| #include <assert.h>
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| #include <stdarg.h>
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| #include <string.h>
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| #include "ForwardSys.h"
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| #include "DebugReporter.h"
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| #include "common_logic.h"
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| #include <bridge/include/IScriptManager.h>
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| #include <amtl/am-string.h>
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| #include <ReentrantList.h>
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| 
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| using namespace ke;
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| 
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| CForwardManager g_Forwards;
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| 
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| // Genesis turns to its source, reduction occurs stepwise although the essence
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| // is all one. End of line.  FTL system check.
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| 
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| void CForwardManager::OnSourceModAllInitialized()
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| {
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| 	scripts->AddPluginsListener(this);
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| 	sharesys->AddInterface(NULL, this);
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| }
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| 
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| IForward *CForwardManager::CreateForward(const char *name, ExecType et, unsigned int num_params, const ParamType *types, ...)
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| {
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| 	va_list ap;
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| 	va_start(ap, types);
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| 	
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| 	CForward *fwd = CForward::CreateForward(name, et, num_params, types, ap);
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| 
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| 	va_end(ap);
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| 
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| 	if (fwd)
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| 	{
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| 		scripts->AddFunctionsToForward(name, fwd);
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| 
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| 		m_managed.push_back(fwd);
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| 	}
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| 
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| 	return fwd;
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| }
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| 
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| IChangeableForward *CForwardManager::CreateForwardEx(const char *name, ExecType et, int num_params, const ParamType *types, ...)
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| {
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| 	va_list ap;
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| 	va_start(ap, types);
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| 
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| 	CForward *fwd = CForward::CreateForward(name, et, num_params, types, ap);
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| 
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| 	va_end(ap);
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| 
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| 	if (fwd)
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| 	{
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| 		m_unmanaged.push_back(fwd);
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| 	}
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| 
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| 	return fwd;
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| }
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| 
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| void CForwardManager::OnPluginLoaded(IPlugin *plugin)
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| {
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| 	/* Attach any globally managed forwards */
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| 	for (ForwardIter iter(m_managed); !iter.done(); iter.next()) {
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| 		CForward *fwd = (*iter);
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| 		IPluginFunction *pFunc = plugin->GetBaseContext()->GetFunctionByName(fwd->GetForwardName());
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| 		if (pFunc)
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| 			fwd->AddFunction(pFunc);
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| 	}
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| }
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| 
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| void CForwardManager::OnPluginUnloaded(IPlugin *plugin)
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| {
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| 	for (ForwardIter iter(m_managed); !iter.done(); iter.next()) {
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| 		CForward *fwd = (*iter);
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| 		fwd->RemoveFunctionsOfPlugin(plugin);
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| 	}
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| 
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| 	for (ForwardIter iter(m_unmanaged); !iter.done(); iter.next()) {
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| 		CForward *fwd = (*iter);
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| 		fwd->RemoveFunctionsOfPlugin(plugin);
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| 	}
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| }
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| 
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| IForward *CForwardManager::FindForward(const char *name, IChangeableForward **ifchng)
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| {
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| 	for (ForwardIter iter(m_managed); !iter.done(); iter.next()) {
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| 		CForward *fwd = (*iter);
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| 		if (strcmp(fwd->GetForwardName(), name) == 0) {
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| 			if (ifchng)
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| 				*ifchng = NULL;
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| 			return fwd;
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| 		}
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| 	}
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| 
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| 	for (ForwardIter iter(m_unmanaged); !iter.done(); iter.next()) {
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| 		CForward *fwd = (*iter);
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| 		if (strcmp(fwd->GetForwardName(), name) == 0) {
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| 			if (ifchng)
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| 				*ifchng = fwd;
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| 			return fwd;
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| 		}
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| 	}
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| 
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| 	if (ifchng)
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| 		*ifchng = NULL;
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| 
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| 	return NULL;
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| }
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| 
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| void CForwardManager::ReleaseForward(IForward *aForward)
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| {
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| 	CForward *fwd = static_cast<CForward *>(aForward);
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| 	m_managed.remove(fwd);
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| 	m_unmanaged.remove(fwd);
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| 	delete fwd;
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| }
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| 
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| void CForwardManager::OnPluginPauseChange(IPlugin *plugin, bool paused)
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| {
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| 	if (paused)
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| 		return;
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| 
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| 	/* Attach any globally managed forwards */
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| 	for (ForwardIter iter(m_managed); !iter.done(); iter.next()) {
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| 		CForward *fwd = (*iter);
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| 		IPluginFunction *pFunc = plugin->GetBaseContext()->GetFunctionByName(fwd->GetForwardName());
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| 		// Only add functions, if they aren't registered yet!
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| 		if (pFunc && !fwd->IsFunctionRegistered(pFunc))
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| 		{
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| 			fwd->AddFunction(pFunc);
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| 		}
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| 	}
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| }
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| 
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| /*************************************
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|  * ACTUAL FORWARD API IMPLEMENTATION *
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|  *************************************/
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| 
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| CForward::CForward(ExecType et, const char *name, const ParamType *types, unsigned num_params)
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| 	: m_numparams(0),
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| 	  m_varargs(0),
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| 	  m_ExecType(et),
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| 	  m_curparam(0),
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| 	  m_errstate(SP_ERROR_NONE)
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| {
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| 	ke::SafeStrcpy(m_name, sizeof(m_name), name ? name : "");
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| 
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| 	for (unsigned i = 0; i < num_params; i++)
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| 		m_types[i] = types[i];
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| 
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| 	if (num_params && types[num_params - 1] == Param_VarArgs) {
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| 		m_varargs = num_params;
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| 		m_numparams = num_params - 1;
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| 	} else {
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| 		m_varargs = 0;
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| 		m_numparams = num_params;
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| 	}
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| }
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| 
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| CForward *CForward::CreateForward(const char *name, ExecType et, unsigned int num_params, const ParamType *types, va_list ap)
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| {
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| 	ParamType _types[SP_MAX_EXEC_PARAMS];
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| 
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| 	if (num_params > SP_MAX_EXEC_PARAMS)
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| 	{
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| 		return NULL;
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| 	}
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| 	
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| 	if (types == NULL && num_params)
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| 	{
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| 		for (unsigned int i=0; i<num_params; i++)
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| 		{
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| 			_types[i] = (ParamType)va_arg(ap, int);
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| 			if (_types[i] == Param_VarArgs && (i != num_params - 1))
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| 			{
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| 				return NULL;
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| 			}
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| 		}
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| 		types = _types;
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| 	} else {
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| 		for (unsigned int i=0; i<num_params; i++)
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| 		{
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| 			_types[i] = types[i];
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| 			if (types[i] == Param_VarArgs && (i != num_params - 1))
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| 			{
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| 				return NULL;
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| 			}
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| 		}
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| 	}
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| 
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| 	/* First parameter can never be varargs */
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| 	if (num_params && _types[0] == Param_VarArgs)
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| 	{
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| 		return NULL;
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| 	}
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| 
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| 	return new CForward(et, name, _types, num_params);
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| }
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| 
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| int CForward::Execute(cell_t *result, IForwardFilter *filter)
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| {
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| 	if (m_errstate)
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| 	{
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| 		int err = m_errstate;
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| 		Cancel();
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| 		return err;
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| 	}
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| 
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| 	cell_t cur_result = 0;
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| 	cell_t high_result = 0;
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| 	cell_t low_result = 0;
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| 	int err;
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| 	unsigned int success=0;
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| 	unsigned int num_params = m_curparam;
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| 	FwdParamInfo temp_info[SP_MAX_EXEC_PARAMS];
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| 
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| 	/* Save local, reset */
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| 	memcpy(temp_info, m_params, sizeof(m_params));
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| 	m_curparam = 0;
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| 
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| 	for (FuncIter iter(m_functions); !iter.done(); iter.next())
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| 	{
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| 		IPluginFunction *func = (*iter);
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| 
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| 		if (filter)
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| 			filter->Preprocess(func, temp_info);
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| 
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| 		if (func->GetParentRuntime()->IsPaused())
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| 			continue;
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| 
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| 		for (unsigned int i=0; i<num_params; i++)
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| 		{
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| 			int err = SP_ERROR_PARAM;
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| 			FwdParamInfo *param = &temp_info[i];
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| 
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| 			ParamType type;
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| 			if (i >= m_numparams || m_types[i] == Param_Any)
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| 				type = param->pushedas;
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| 			else
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| 				type = m_types[i];
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| 
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| 			if ((i >= m_numparams) || (type & SP_PARAMFLAG_BYREF))
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| 			{
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| 				/* If we're byref or we're vararg, we always push everything by ref.
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| 				* Even if they're byval, we must push them byref.
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| 				*/
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| 				err = _ExecutePushRef(func, type, param);
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| 			}
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| 			else
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| 			{
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| 				/* If we're not byref or not vararg, our job is a bit easier. */
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| 				assert(type == Param_Cell || type == Param_Float);
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| 				err = func->PushCell(param->val);
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| 			}
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| 
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| 			if (err != SP_ERROR_NONE)
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| 			{
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| 				g_DbgReporter.GenerateError(func->GetParentContext(), 
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| 					func->GetFunctionID(), 
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| 					err, 
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| 					"Failed to push parameter while executing forward");
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| 				continue;
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| 			}
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| 		}
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| 		
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| 		/* Call the function and deal with the return value. */
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| 		if ((err=func->Execute(&cur_result)) == SP_ERROR_NONE)
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| 		{
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| 			success++;
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| 			switch (m_ExecType)
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| 			{
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| 			case ET_Event:
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| 				{
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| 					if (cur_result > high_result)
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| 					{
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| 						high_result = cur_result;
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| 					}
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| 					break;
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| 				}
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| 			case ET_Hook:
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| 				{
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| 					if (cur_result > high_result)
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| 					{
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| 						high_result = cur_result;
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| 						if ((ResultType)high_result == Pl_Stop)
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| 						{
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| 							goto done;
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| 						}
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| 					}
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| 					break;
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| 				}
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| 			case ET_LowEvent:
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| 				{
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| 					/* Check if the current result is the lowest so far (or if it's the first result) */
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| 					if (cur_result < low_result || success == 1)
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| 					{
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| 						low_result = cur_result;
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| 					}
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| 					break;
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| 				}
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| 			default:
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| 				{
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| 					break;
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| 				}
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| 			}
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| 		}
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| 	}
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| 
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| done:
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| 
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| 	if (success)
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| 	{
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| 		switch (m_ExecType)
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| 		{
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| 		case ET_Ignore:
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| 			{
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| 				cur_result = 0;
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| 				break;
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| 			}
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| 		case ET_Event:
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| 		case ET_Hook:
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| 			{
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| 				cur_result = high_result;
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| 				break;
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| 			}
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| 		case ET_LowEvent:
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| 			{
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| 				cur_result = low_result;
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| 				break;
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| 			}
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| 		default:
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| 			{
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| 				break;
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| 			}
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| 		}
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| 
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| 		if (result)
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| 		{
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| 			*result = cur_result;
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| 		}
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| 	}
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| 
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| 	return SP_ERROR_NONE;
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| }
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| 
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| int CForward::_ExecutePushRef(IPluginFunction *func, ParamType type, FwdParamInfo *param)
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| {
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| 	/* If we're byref or we're vararg, we always push everything by ref.
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| 	* Even if they're byval, we must push them byref.
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| 	*/
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| 	int err;
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| 	IPluginRuntime *runtime = func->GetParentRuntime();
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| 	switch (type)
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| 	{
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| 	case Param_String:
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| 		// Normal string was pushed.
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| 		if (!param->isnull)
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| 			return func->PushStringEx((char *)param->byref.orig_addr, param->byref.cells, param->byref.sz_flags, param->byref.flags);
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| 
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| 		// If NULL_STRING was pushed, push the reference to the pubvar of the callee instead.
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| 		uint32_t null_string_idx;
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| 		err = runtime->FindPubvarByName("NULL_STRING", &null_string_idx);
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| 		if (err)
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| 			return err;
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| 
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| 		cell_t null_string;
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| 		err = runtime->GetPubvarAddrs(null_string_idx, &null_string, nullptr);
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| 		if (err)
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| 			return err;
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| 
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| 		return func->PushCell(null_string);
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| 	
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| 	case Param_Float:
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| 	case Param_Cell:
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| 		return func->PushCellByRef(¶m->val);
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| 
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| 	default:
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| 		assert(type == Param_Array || type == Param_FloatByRef || type == Param_CellByRef);
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| 		// No NULL_VECTOR was pushed.
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| 		if (type != Param_Array || !param->isnull)
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| 			return func->PushArray(param->byref.orig_addr, param->byref.cells, param->byref.flags);
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| 
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| 		// If NULL_VECTOR was pushed, push the reference to the pubvar of the callee instead.
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| 		uint32_t null_vector_idx;
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| 		err = runtime->FindPubvarByName("NULL_VECTOR", &null_vector_idx);
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| 		if (err)
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| 			return err;
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| 
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| 		cell_t null_vector;
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| 		err = runtime->GetPubvarAddrs(null_vector_idx, &null_vector, nullptr);
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| 		if (err)
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| 			return err;
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| 
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| 		return func->PushCell(null_vector);
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| 	}
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| }
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| 
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| int CForward::PushCell(cell_t cell)
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| {
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| 	if (m_curparam < m_numparams)
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| 	{
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| 		if (m_types[m_curparam] == Param_Any)
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| 		{
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| 			m_params[m_curparam].pushedas = Param_Cell;
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| 		} else if (m_types[m_curparam] != Param_Cell) {
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| 			return SetError(SP_ERROR_PARAM);
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| 		}
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| 	} else {
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| 		if (!m_varargs || m_numparams > SP_MAX_EXEC_PARAMS)
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| 		{
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| 			return SetError(SP_ERROR_PARAMS_MAX);
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| 		}
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| 		m_params[m_curparam].pushedas = Param_Cell;
 | |
| 	}
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| 
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| 	m_params[m_curparam].isnull = false;
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| 	m_params[m_curparam++].val = cell;
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| 
 | |
| 	return SP_ERROR_NONE;
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| }
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| 
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| int CForward::PushFloat(float number)
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| {
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| 	if (m_curparam < m_numparams)
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| 	{
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| 		if (m_types[m_curparam] == Param_Any)
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| 		{
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| 			m_params[m_curparam].pushedas = Param_Float;
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| 		} else if (m_types[m_curparam] != Param_Float) {
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| 			return SetError(SP_ERROR_PARAM);
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| 		}
 | |
| 	} else {
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| 		if (!m_varargs || m_numparams > SP_MAX_EXEC_PARAMS)
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| 		{
 | |
| 			return SetError(SP_ERROR_PARAMS_MAX);
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| 		}
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| 		m_params[m_curparam].pushedas = Param_Float;
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| 	}
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| 
 | |
| 	m_params[m_curparam].isnull = false;
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| 	m_params[m_curparam++].val = *(cell_t *)&number;
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| 
 | |
| 	return SP_ERROR_NONE;
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| }
 | |
| 
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| int CForward::PushCellByRef(cell_t *cell, int flags)
 | |
| {
 | |
| 	if (m_curparam < m_numparams)
 | |
| 	{
 | |
| 		if (m_types[m_curparam] == Param_Any)
 | |
| 		{
 | |
| 			m_params[m_curparam].pushedas = Param_CellByRef;
 | |
| 		} else if (m_types[m_curparam] != Param_CellByRef) {
 | |
| 			return SetError(SP_ERROR_PARAM);
 | |
| 		}
 | |
| 	} else {
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| 		if (!m_varargs || m_numparams > SP_MAX_EXEC_PARAMS)
 | |
| 		{
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| 			return SetError(SP_ERROR_PARAMS_MAX);
 | |
| 		}
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| 		m_params[m_curparam].pushedas = Param_CellByRef;
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| 	}
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| 
 | |
| 	_Int_PushArray(cell, 1, flags);
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| 	m_curparam++;
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| 
 | |
| 	return SP_ERROR_NONE;
 | |
| }
 | |
| 
 | |
| int CForward::PushFloatByRef(float *num, int flags)
 | |
| {
 | |
| 	if (m_curparam < m_numparams)
 | |
| 	{
 | |
| 		if (m_types[m_curparam] == Param_Any)
 | |
| 		{
 | |
| 			m_params[m_curparam].pushedas = Param_FloatByRef;
 | |
| 		} else if (m_types[m_curparam] != Param_FloatByRef) {
 | |
| 			return SetError(SP_ERROR_PARAM);
 | |
| 		}
 | |
| 	} else {
 | |
| 		if (!m_varargs || m_numparams > SP_MAX_EXEC_PARAMS)
 | |
| 		{
 | |
| 			return SetError(SP_ERROR_PARAMS_MAX);
 | |
| 		}
 | |
| 		m_params[m_curparam].pushedas = Param_FloatByRef;
 | |
| 	}
 | |
| 
 | |
| 	_Int_PushArray((cell_t *)num, 1, flags);
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| 	m_curparam++;
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| 
 | |
| 	return SP_ERROR_NONE;
 | |
| }
 | |
| 
 | |
| void CForward::_Int_PushArray(cell_t *inarray, unsigned int cells, int flags)
 | |
| {
 | |
| 	m_params[m_curparam].byref.cells = cells;
 | |
| 	m_params[m_curparam].byref.flags = flags;
 | |
| 	m_params[m_curparam].byref.orig_addr = inarray;
 | |
| 	m_params[m_curparam].isnull = false;
 | |
| }
 | |
| 
 | |
| int CForward::PushArray(cell_t *inarray, unsigned int cells, int flags)
 | |
| {
 | |
| 	/* Push a reference to the NULL_VECTOR pubvar if NULL was passed. */
 | |
| 	if (!inarray)
 | |
| 	{
 | |
| 		/* Make sure this was intentional. */
 | |
| 		if (cells == 3)
 | |
| 		{
 | |
| 			return PushNullVector();
 | |
| 		} else {
 | |
| 			/* We don't allow this here */
 | |
| 			return SetError(SP_ERROR_PARAM);
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	if (m_curparam < m_numparams)
 | |
| 	{
 | |
| 		if (m_types[m_curparam] == Param_Any)
 | |
| 		{
 | |
| 			m_params[m_curparam].pushedas = Param_Array;
 | |
| 		} else if (m_types[m_curparam] != Param_Array) {
 | |
| 			return SetError(SP_ERROR_PARAM);
 | |
| 		}
 | |
| 	} else {
 | |
| 		if (!m_varargs || m_curparam > SP_MAX_EXEC_PARAMS)
 | |
| 		{
 | |
| 			return SetError(SP_ERROR_PARAMS_MAX);
 | |
| 		}
 | |
| 		m_params[m_curparam].pushedas = Param_Array;
 | |
| 	}
 | |
| 
 | |
| 	_Int_PushArray(inarray, cells, flags);
 | |
| 
 | |
| 	m_curparam++;
 | |
| 
 | |
| 	return SP_ERROR_NONE;
 | |
| }
 | |
| 
 | |
| void CForward::_Int_PushString(cell_t *inarray, unsigned int cells, int sz_flags, int cp_flags)
 | |
| {
 | |
| 	m_params[m_curparam].byref.cells = cells;	/* Notice this contains the char count not cell count */
 | |
| 	m_params[m_curparam].byref.flags = cp_flags;
 | |
| 	m_params[m_curparam].byref.orig_addr = inarray;
 | |
| 	m_params[m_curparam].byref.sz_flags = sz_flags;
 | |
| 	m_params[m_curparam].isnull = false;
 | |
| }
 | |
| 
 | |
| int CForward::PushString(const char *string)
 | |
| {
 | |
| 	/* Push a reference to the NULL_STRING pubvar if NULL was passed. */
 | |
| 	if (!string)
 | |
| 	{
 | |
| 		return PushNullString();
 | |
| 	}
 | |
| 
 | |
| 	if (m_curparam < m_numparams)
 | |
| 	{
 | |
| 		if (m_types[m_curparam] == Param_Any)
 | |
| 		{
 | |
| 			m_params[m_curparam].pushedas = Param_String;
 | |
| 		} else if (m_types[m_curparam] != Param_String) {
 | |
| 			return SetError(SP_ERROR_PARAM);
 | |
| 		}
 | |
| 	} else {
 | |
| 		if (!m_varargs || m_curparam > SP_MAX_EXEC_PARAMS)
 | |
| 		{
 | |
| 			return SetError(SP_ERROR_PARAMS_MAX);
 | |
| 		}
 | |
| 		m_params[m_curparam].pushedas = Param_String;
 | |
| 	}
 | |
| 
 | |
| 	_Int_PushString((cell_t *)string, strlen(string)+1, SM_PARAM_STRING_COPY, 0);
 | |
| 	m_curparam++;
 | |
| 
 | |
| 	return SP_ERROR_NONE;
 | |
| }
 | |
| 
 | |
| int CForward::PushStringEx(char *buffer, size_t length, int sz_flags, int cp_flags)
 | |
| {
 | |
| 	if (m_curparam < m_numparams)
 | |
| 	{
 | |
| 		if (m_types[m_curparam] == Param_Any)
 | |
| 		{
 | |
| 			m_params[m_curparam].pushedas = Param_String;
 | |
| 		} else if (m_types[m_curparam] != Param_String) {
 | |
| 			return SetError(SP_ERROR_PARAM);
 | |
| 		}
 | |
| 	} else {
 | |
| 		if (!m_varargs || m_curparam > SP_MAX_EXEC_PARAMS)
 | |
| 		{
 | |
| 			return SetError(SP_ERROR_PARAMS_MAX);
 | |
| 		}
 | |
| 		m_params[m_curparam].pushedas = Param_String;
 | |
| 	}
 | |
| 
 | |
| 	_Int_PushString((cell_t *)buffer, length, sz_flags, cp_flags);
 | |
| 	m_curparam++;
 | |
| 
 | |
| 	return SP_ERROR_NONE;
 | |
| }
 | |
| 
 | |
| int CForward::PushNullString()
 | |
| {
 | |
| 	if (m_curparam < m_numparams)
 | |
| 	{
 | |
| 		if (m_types[m_curparam] == Param_Any)
 | |
| 		{
 | |
| 			m_params[m_curparam].pushedas = Param_String;
 | |
| 		} else if (m_types[m_curparam] != Param_String) {
 | |
| 			return SetError(SP_ERROR_PARAM);
 | |
| 		}
 | |
| 	} else {
 | |
| 		if (!m_varargs || m_numparams > SP_MAX_EXEC_PARAMS)
 | |
| 		{
 | |
| 			return SetError(SP_ERROR_PARAMS_MAX);
 | |
| 		}
 | |
| 		m_params[m_curparam].pushedas = Param_String;
 | |
| 	}
 | |
| 
 | |
| 	m_params[m_curparam++].isnull = true;
 | |
| 
 | |
| 	return SP_ERROR_NONE;
 | |
| }
 | |
| 
 | |
| int CForward::PushNullVector()
 | |
| {
 | |
| 	if (m_curparam < m_numparams)
 | |
| 	{
 | |
| 		if (m_types[m_curparam] == Param_Any)
 | |
| 		{
 | |
| 			m_params[m_curparam].pushedas = Param_Array;
 | |
| 		} else if (m_types[m_curparam] != Param_Array) {
 | |
| 			return SetError(SP_ERROR_PARAM);
 | |
| 		}
 | |
| 	} else {
 | |
| 		if (!m_varargs || m_numparams > SP_MAX_EXEC_PARAMS)
 | |
| 		{
 | |
| 			return SetError(SP_ERROR_PARAMS_MAX);
 | |
| 		}
 | |
| 		m_params[m_curparam].pushedas = Param_Array;
 | |
| 	}
 | |
| 
 | |
| 	m_params[m_curparam++].isnull = true;
 | |
| 
 | |
| 	return SP_ERROR_NONE;
 | |
| }
 | |
| 
 | |
| void CForward::Cancel()
 | |
| {
 | |
| 	if (!m_curparam)
 | |
| 	{
 | |
| 		return;
 | |
| 	}
 | |
| 
 | |
| 	m_curparam = 0;
 | |
| 	m_errstate = SP_ERROR_NONE;
 | |
| }
 | |
| 
 | |
| bool CForward::AddFunction(IPluginContext *pContext, funcid_t index)
 | |
| {
 | |
| 	IPluginFunction *pFunc = pContext->GetFunctionById(index);
 | |
| 
 | |
| 	if (!pFunc)
 | |
| 	{
 | |
| 		return false;
 | |
| 	}
 | |
| 
 | |
| 	return AddFunction(pFunc);
 | |
| }
 | |
| 
 | |
| bool CForward::RemoveFunction(IPluginContext *pContext, funcid_t index)
 | |
| {
 | |
| 	IPluginFunction *pFunc = pContext->GetFunctionById(index);
 | |
| 
 | |
| 	if (!pFunc)
 | |
| 	{
 | |
| 		return false;
 | |
| 	}
 | |
| 
 | |
| 	return RemoveFunction(pFunc);
 | |
| }
 | |
| 
 | |
| bool CForward::RemoveFunction(IPluginFunction *func)
 | |
| {
 | |
| 	ReentrantList<IPluginFunction *> *lst;
 | |
| 	if (func->IsRunnable())
 | |
| 		lst = &m_functions;
 | |
| 	else
 | |
| 		lst = &m_paused;
 | |
| 
 | |
| 	bool found = false;
 | |
| 	for (FuncIter iter(lst); !iter.done(); iter.next()) {
 | |
| 		if (*iter == func) {
 | |
| 			iter.remove();
 | |
| 			found = true;
 | |
| 			break;
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	/* Cancel a call, if any */
 | |
| 	if (found || m_curparam)
 | |
| 		func->Cancel();
 | |
| 
 | |
| 	return found;
 | |
| }
 | |
| 
 | |
| unsigned int CForward::RemoveFunctionsOfPlugin(IPlugin *plugin)
 | |
| {
 | |
| 	unsigned int removed = 0;
 | |
| 	for (FuncIter iter(m_functions); !iter.done(); iter.next()) {
 | |
| 		IPluginFunction *func = *iter;
 | |
| 		if (func->GetParentContext() == plugin->GetBaseContext()) {
 | |
| 			iter.remove();
 | |
| 			removed++;
 | |
| 		}
 | |
| 	}
 | |
| 	return removed;
 | |
| }
 | |
| 
 | |
| bool CForward::AddFunction(IPluginFunction *func)
 | |
| {
 | |
| 	if (m_curparam)
 | |
| 		return false;
 | |
| 
 | |
| 	if (func->IsRunnable())
 | |
| 		m_functions.push_back(func);
 | |
| 	else
 | |
| 		m_paused.push_back(func);
 | |
| 
 | |
| 	return true;
 | |
| }
 | |
| 
 | |
| bool CForward::IsFunctionRegistered(IPluginFunction *func)
 | |
| {
 | |
| 	ReentrantList<IPluginFunction *> *lst;
 | |
| 	if (func->IsRunnable())
 | |
| 		lst = &m_functions;
 | |
| 	else
 | |
| 		lst = &m_paused;
 | |
| 
 | |
| 	for (FuncIter iter(lst); !iter.done(); iter.next()) {
 | |
| 		if ((*iter) == func)
 | |
| 			return true;
 | |
| 	}
 | |
| 	return false;
 | |
| }
 | |
| 
 | |
| const char *CForward::GetForwardName()
 | |
| {
 | |
| 	return m_name;
 | |
| }
 | |
| 
 | |
| unsigned int CForward::GetFunctionCount()
 | |
| {
 | |
| 	return m_functions.size();
 | |
| }
 | |
| 
 | |
| ExecType CForward::GetExecType()
 | |
| {
 | |
| 	return m_ExecType;
 | |
| }
 |