Instead of adding new functions to `IForward`, we just allow NULL to be passed to `PushArray` and `PushString`.
		
			
				
	
	
		
			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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#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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using namespace ke;
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CForwardManager g_Forwards;
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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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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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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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	CForward *fwd = CForward::CreateForward(name, et, num_params, types, ap);
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	va_end(ap);
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	if (fwd)
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	{
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		scripts->AddFunctionsToForward(name, fwd);
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		m_managed.append(fwd);
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	}
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	return fwd;
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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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	CForward *fwd = CForward::CreateForward(name, et, num_params, types, ap);
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	va_end(ap);
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	if (fwd)
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	{
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		m_unmanaged.append(fwd);
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	}
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	return fwd;
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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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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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	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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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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	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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	if (ifchng)
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		*ifchng = NULL;
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	return NULL;
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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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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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	/* 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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 * ACTUAL FORWARD API IMPLEMENTATION *
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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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	for (unsigned i = 0; i < num_params; i++)
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		m_types[i] = types[i];
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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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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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	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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	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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	/* 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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	return new CForward(et, name, _types, num_params);
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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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	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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	/* 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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	for (FuncIter iter(m_functions); !iter.done(); iter.next())
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	{
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		IPluginFunction *func = (*iter);
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		if (filter)
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			filter->Preprocess(func, temp_info);
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		if (func->GetParentRuntime()->IsPaused())
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			continue;
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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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			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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			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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			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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		/* 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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done:
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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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		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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	return SP_ERROR_NONE;
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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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		// 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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		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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	case Param_Float:
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	case Param_Cell:
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		return func->PushCellByRef(¶m->val);
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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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		// 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);
 | 
						|
		if (err)
 | 
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			return err;
 | 
						|
 | 
						|
		cell_t null_vector;
 | 
						|
		err = runtime->GetPubvarAddrs(null_vector_idx, &null_vector, nullptr);
 | 
						|
		if (err)
 | 
						|
			return err;
 | 
						|
 | 
						|
		return func->PushCell(null_vector);
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						|
	}
 | 
						|
}
 | 
						|
 | 
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int CForward::PushCell(cell_t cell)
 | 
						|
{
 | 
						|
	if (m_curparam < m_numparams)
 | 
						|
	{
 | 
						|
		if (m_types[m_curparam] == Param_Any)
 | 
						|
		{
 | 
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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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		}
 | 
						|
	} else {
 | 
						|
		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_Cell;
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	}
 | 
						|
 | 
						|
	m_params[m_curparam].isnull = false;
 | 
						|
	m_params[m_curparam++].val = cell;
 | 
						|
 | 
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	return SP_ERROR_NONE;
 | 
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}
 | 
						|
 | 
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int CForward::PushFloat(float number)
 | 
						|
{
 | 
						|
	if (m_curparam < m_numparams)
 | 
						|
	{
 | 
						|
		if (m_types[m_curparam] == Param_Any)
 | 
						|
		{
 | 
						|
			m_params[m_curparam].pushedas = Param_Float;
 | 
						|
		} else if (m_types[m_curparam] != Param_Float) {
 | 
						|
			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_Float;
 | 
						|
	}
 | 
						|
 | 
						|
	m_params[m_curparam].isnull = false;
 | 
						|
	m_params[m_curparam++].val = *(cell_t *)&number;
 | 
						|
 | 
						|
	return SP_ERROR_NONE;
 | 
						|
}
 | 
						|
 | 
						|
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 {
 | 
						|
		if (!m_varargs || m_numparams > SP_MAX_EXEC_PARAMS)
 | 
						|
		{
 | 
						|
			return SetError(SP_ERROR_PARAMS_MAX);
 | 
						|
		}
 | 
						|
		m_params[m_curparam].pushedas = Param_CellByRef;
 | 
						|
	}
 | 
						|
 | 
						|
	_Int_PushArray(cell, 1, flags);
 | 
						|
	m_curparam++;
 | 
						|
 | 
						|
	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);
 | 
						|
	m_curparam++;
 | 
						|
 | 
						|
	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.append(func);
 | 
						|
	else
 | 
						|
		m_paused.append(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.length();
 | 
						|
}
 | 
						|
 | 
						|
ExecType CForward::GetExecType()
 | 
						|
{
 | 
						|
	return m_ExecType;
 | 
						|
}
 |