/**

  * vim: set ts=4 :

  * =============================================================================

  * SourceMod

  * Copyright (C) 2004-2008 AlliedModders LLC.  All rights reserved.

  * =============================================================================

  *

  * This program is free software; you can redistribute it and/or modify it under

  * the terms of the GNU General Public License, version 3.0, as published by the

  * Free Software Foundation.

  * 

  * This program is distributed in the hope that it will be useful, but WITHOUT

  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS

  * FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more

  * details.

  *

  * You should have received a copy of the GNU General Public License along with

  * this program.  If not, see <http://www.gnu.org/licenses/>.

  *

  * As a special exception, AlliedModders LLC gives you permission to link the

  * code of this program (as well as its derivative works) to "Half-Life 2," the

  * "Source Engine," the "SourcePawn JIT," and any Game MODs that run on software

  * by the Valve Corporation.  You must obey the GNU General Public License in

  * all respects for all other code used.  Additionally, AlliedModders LLC grants

  * this exception to all derivative works.  AlliedModders LLC defines further

  * exceptions, found in LICENSE.txt (as of this writing, version JULY-31-2007),

  * or <http://www.sourcemod.net/license.php>.

  *

  * Version: $Id$

  */

 #include "ConCmdManager.h"

 #include "sm_srvcmds.h"

 #include "AdminCache.h"

 #include "sm_stringutil.h"

 #include "PlayerManager.h"

 #include "HalfLife2.h"

 #include "ChatTriggers.h"

 #include "logic_bridge.h"

 ConCmdManager g_ConCmds;

 #if SOURCE_ENGINE >= SE_ORANGEBOX

 	SH_DECL_HOOK1_void(ConCommand, Dispatch, SH_NOATTRIB, false, const CCommand &);

 #else

 	SH_DECL_HOOK0_void(ConCommand, Dispatch, SH_NOATTRIB, false);

 #endif

 SH_DECL_HOOK1_void(IServerGameClients, SetCommandClient, SH_NOATTRIB, false, int);

 struct PlCmdInfo

 {

 	ConCmdInfo *pInfo;

 	CmdHook *pHook;

 	CmdType type;

 };

 typedef List<PlCmdInfo> CmdList;

 void AddToPlCmdList(CmdList *pList, const PlCmdInfo &info);

 ConCmdManager::ConCmdManager() : m_Strings(1024)

 {

 	m_pCmds = sm_trie_create();

 	m_pCmdGrps = sm_trie_create();

 	m_CmdClient = 0;

 }

 ConCmdManager::~ConCmdManager()

 {

 	sm_trie_destroy(m_pCmds);

 	sm_trie_destroy(m_pCmdGrps);

 }

 void ConCmdManager::OnSourceModAllInitialized()

 {

 	g_PluginSys.AddPluginsListener(this);

 	g_RootMenu.AddRootConsoleCommand("cmds", "List console commands", this);

 	SH_ADD_HOOK_MEMFUNC(IServerGameClients, SetCommandClient, serverClients, this, &ConCmdManager::SetCommandClient, false);

 }

 void ConCmdManager::OnSourceModShutdown()

 {

 	/* All commands should already be removed by the time we're done */

 	SH_REMOVE_HOOK_MEMFUNC(IServerGameClients, SetCommandClient, serverClients, this, &ConCmdManager::SetCommandClient, false);

 	g_RootMenu.RemoveRootConsoleCommand("cmds", this);

 }

 void ConCmdManager::OnUnlinkConCommandBase(ConCommandBase *pBase, const char *name, bool is_read_safe)

 {

 	/* Whoa, first get its information struct */

 	ConCmdInfo *pInfo;

 	if (!sm_trie_retrieve(m_pCmds, name, (void **)&pInfo))

 	{

 		return;

 	}

 	RemoveConCmds(pInfo->srvhooks);

 	RemoveConCmds(pInfo->conhooks);

 	RemoveConCmd(pInfo, name, is_read_safe, false);

 }

 void ConCmdManager::RemoveConCmds(List<CmdHook *> &cmdlist)

 {

 	List<CmdHook *>::iterator iter = cmdlist.begin();

 	while (iter != cmdlist.end())

 	{

 		CmdHook *pHook = (*iter);

 		IPluginContext *pContext = pHook->pf->GetParentContext();

 		IPlugin *pPlugin = g_PluginSys.GetPluginByCtx(pContext->GetContext());

 		CmdList *pList = NULL;

 		//gaben

 		if (!pPlugin->GetProperty("CommandList", (void **)&pList, false) || !pList)

 		{

 			continue;

 		}

 		CmdList::iterator p_iter = pList->begin();

 		while (p_iter != pList->end())

 		{

 			PlCmdInfo &cmd = (*p_iter);

 			if (cmd.pHook == pHook)

 			{

 				p_iter = pList->erase(p_iter);

 			}

 			else

 			{

 				p_iter++;

 			}

 		}

 		delete pHook->pAdmin;

 		delete pHook;

 		iter = cmdlist.erase(iter);

 	}

 }

 void ConCmdManager::RemoveConCmds(List<CmdHook *> &cmdlist, IPluginContext *pContext)

 {

 	List<CmdHook *>::iterator iter = cmdlist.begin();

 	CmdHook *pHook;

 	while (iter != cmdlist.end())

 	{

 		pHook = (*iter);

 		if (pHook->pf->GetParentContext() == pContext)

 		{

 			delete pHook->pAdmin;

 			delete pHook;

 			iter = cmdlist.erase(iter);

 		}

 		else

 		{

 			iter++;

 		}

 	}

 }

 void ConCmdManager::OnPluginDestroyed(IPlugin *plugin)

 {

 	CmdList *pList;

 	List<ConCmdInfo *> removed;

 	if (plugin->GetProperty("CommandList", (void **)&pList, true))

 	{

 		IPluginContext *pContext = plugin->GetBaseContext();

 		CmdList::iterator iter;

 		/* First pass!

 	 	 * Only bother if there's an actual command list on this plugin... 

 	 	 */

 		for (iter=pList->begin();

 			iter!=pList->end();

 			iter++)

 		{

 			PlCmdInfo &cmd = (*iter);

 			ConCmdInfo *pInfo = cmd.pInfo;

 			/* Has this chain already been fully cleaned/removed? */

 			if (removed.find(pInfo) != removed.end())

 			{

 				continue;

 			}

 			/* Remove any hooks from us on this command */

 			RemoveConCmds(pInfo->conhooks, pContext);

 			RemoveConCmds(pInfo->srvhooks, pContext);

 			/* See if there are still hooks */

 			if (pInfo->srvhooks.size())

 			{

 				continue;

 			}

 			if (pInfo->conhooks.size())

 			{

 				continue;

 			}

 			/* Remove the command, it should be safe now */

 			RemoveConCmd(pInfo, pInfo->pCmd->GetName(), true, true);

 			removed.push_back(pInfo);

 		}

 		delete pList;

 	}

 }

 #if SOURCE_ENGINE >= SE_ORANGEBOX

 void CommandCallback(const CCommand &command)

 {

 #else

 void CommandCallback()

 {

 	CCommand command;

 #endif

 	g_HL2.PushCommandStack(&command);

 	g_ConCmds.InternalDispatch(command);

 	g_HL2.PopCommandStack();

 }

 void ConCmdManager::SetCommandClient(int client)

 {

 	m_CmdClient = client + 1;

 }

 ConCmdInfo *ConCmdManager::FindInTrie(const char *name)

 {

 	ConCmdInfo *pInfo;

 	if (!sm_trie_retrieve(m_pCmds, name, (void **)&pInfo))

 		return NULL;

 	return pInfo;

 }

 ConCmdList::iterator ConCmdManager::FindInList(const char *cmd)

 {

 	List<ConCmdInfo *>::iterator iter = m_CmdList.begin();

 	while (iter != m_CmdList.end())

 	{

 		if (strcasecmp((*iter)->pCmd->GetName(), cmd) == 0)

 			break;

 		iter++;

 	}

 	return iter;

 }

 ResultType ConCmdManager::DispatchClientCommand(int client, const char *cmd, int args, ResultType type)

 {

 	ConCmdInfo *pInfo;

 	if ((pInfo = FindInTrie(cmd)) == NULL)

 	{

 		ConCmdList::iterator item = FindInList(cmd);

 		if (item == m_CmdList.end())

 			return type;

 		pInfo = *item;

 	}

 	cell_t result = type;

 	cell_t tempres = result;

 	List<CmdHook *>::iterator iter;

 	CmdHook *pHook;

 	for (iter=pInfo->conhooks.begin();

 		 iter!=pInfo->conhooks.end();

 		 iter++)

 	{

 		pHook = (*iter);

 		if (!pHook->pf->IsRunnable())

 		{

 			continue;

 		}

 		if (pHook->pAdmin && !CheckAccess(client, cmd, pHook->pAdmin))

 		{

 			if (result < Pl_Handled)

 			{

 				result = Pl_Handled;

 			}

 			continue;

 		}

 		pHook->pf->PushCell(client);

 		pHook->pf->PushCell(args);

 		if (pHook->pf->Execute(&tempres) == SP_ERROR_NONE)

 		{

 			if (tempres > result)

 			{

 				result = tempres;

 			}

 			if (result == Pl_Stop)

 			{

 				break;

 			}

 		}

 	}

 	type = (ResultType)result;

 	return type;

 }

 void ConCmdManager::InternalDispatch(const CCommand &command)

 {

 	int client = m_CmdClient;

 	if (client)

 	{

 		CPlayer *pPlayer = g_Players.GetPlayerByIndex(client);

 		if (!pPlayer || !pPlayer->IsConnected())

 		{

 			return;

 		}

 	}

 	/**

 	 * Note: Console commands will EITHER go through IServerGameDLL::ClientCommand,

 	 * OR this dispatch.  They will NEVER go through both.

 	 * -- 

 	 * Whether or not it goes through the callback is determined by FCVAR_GAMEDLL

 	 */

 	const char *cmd = g_HL2.CurrentCommandName();

 	ConCmdInfo *pInfo = FindInTrie(cmd);

 	if (pInfo == NULL)

 	{

         /* Unfortunately, we now have to do a slow lookup because Valve made client commands 

          * case-insensitive.  We can't even use our sortedness.

          */

         if (client == 0 && !engine->IsDedicatedServer())

             return;

 		ConCmdList::iterator item = FindInList(cmd);

 		if (item == m_CmdList.end())

 			return;

 		pInfo = *item;

 	}

 	/* This is a hack to prevent say triggers from firing on messages that were 

 	 * blocked because of flooding.  We won't remove this, but the hack will get 

 	 * "nicer" when we expose explicit say hooks.

 	 */

 	if (g_ChatTriggers.WasFloodedMessage())

 	{

 		return;

 	}

 	cell_t result = Pl_Continue;

 	int args = command.ArgC() - 1;

 	List<CmdHook *>::iterator iter;

 	CmdHook *pHook;

 	/* Execute server-only commands if viable */

 	if (client == 0 && pInfo->srvhooks.size())

 	{

 		cell_t tempres = result;

 		for (iter=pInfo->srvhooks.begin();

 			 iter!=pInfo->srvhooks.end();

 			 iter++)

 		{

 			pHook = (*iter);

 			if (!pHook->pf->IsRunnable())

 			{

 				continue;

 			}

 			pHook->pf->PushCell(args);

 			if (pHook->pf->Execute(&tempres) == SP_ERROR_NONE)

 			{

 				if (tempres > result)

 				{

 					result = tempres;

 				}

 				if (result == Pl_Stop)

 				{

 					break;

 				}

 			}

 		}

 		/* Check if there's an early stop */

 		if (result >= Pl_Stop)

 		{

 			if (!pInfo->sourceMod)

 			{

 				RETURN_META(MRES_SUPERCEDE);

 			}

 			return;

 		}

 	}

 	/* Execute console commands */

 	if (pInfo->conhooks.size())

 	{

 		cell_t tempres = result;

 		for (iter=pInfo->conhooks.begin();

 			iter!=pInfo->conhooks.end();

 			iter++)

 		{

 			pHook = (*iter);

 			if (!pHook->pf->IsRunnable())

 			{

 				continue;

 			}

 			if (client 

 				&& pHook->pAdmin

 				&& !CheckAccess(client, cmd, pHook->pAdmin))

 			{

 				if (result < Pl_Handled)

 				{

 					result = Pl_Handled;

 				}

 				continue;

 			}

 			/* On a listen server, sometimes the server host's client index can be set as 0.

 			 * So index 1 is passed to the command callback to correct this potential problem.

 			 */

 			if (!engine->IsDedicatedServer())

 			{

 				client = g_Players.ListenClient();

 			}

 			pHook->pf->PushCell(client);

 			pHook->pf->PushCell(args);

 			if (pHook->pf->Execute(&tempres) == SP_ERROR_NONE)

 			{

 				if (tempres > result)

 				{

 					result = tempres;

 				}

 				if (result == Pl_Stop)

 				{

 					break;

 				}

 			}

 		}

 	}

 	if (result >= Pl_Handled)

 	{

 		if (!pInfo->sourceMod)

 		{

 			RETURN_META(MRES_SUPERCEDE);

 		}

 		return;

 	}

 }

 bool ConCmdManager::CheckClientCommandAccess(int client, const char *cmd, FlagBits cmdflags)

 {

 	if (cmdflags == 0 || client == 0)

 	{

 		return true;

 	}

 	/* If running listen server, then client 1 is the server host and should have 'root' access */

 	if (client == 1 && !engine->IsDedicatedServer())

 	{

 		return true;

 	}

 	CPlayer *player = g_Players.GetPlayerByIndex(client);

 	if (!player 

 		|| player->GetEdict() == NULL

 		|| player->IsFakeClient())

 	{

 		return false;

 	}

 	return CheckAdminCommandAccess(player->GetAdminId(), cmd, cmdflags);

 }

 bool ConCmdManager::CheckAdminCommandAccess(AdminId adm, const char *cmd, FlagBits cmdflags)

 {

 	if (adm != INVALID_ADMIN_ID)

 	{

 		FlagBits bits = g_Admins.GetAdminFlags(adm, Access_Effective);

 		/* root knows all, WHOA */

 		if ((bits & ADMFLAG_ROOT) == ADMFLAG_ROOT)

 		{

 			return true;

 		}

 		/* Check for overrides

 		 * :TODO: is it worth optimizing this?

 		 */

 		unsigned int groups = g_Admins.GetAdminGroupCount(adm);

 		GroupId gid;

 		OverrideRule rule;

 		bool override = false;

 		for (unsigned int i=0; i<groups; i++)

 		{

 			gid = g_Admins.GetAdminGroup(adm, i, NULL);

 			/* First get group-level override */

 			override = g_Admins.GetGroupCommandOverride(gid, cmd, Override_CommandGroup, &rule);

 			/* Now get the specific command override */

 			if (g_Admins.GetGroupCommandOverride(gid, cmd, Override_Command, &rule))

 			{

 				override = true;

 			}

 			if (override)

 			{

 				if (rule == Command_Allow)

 				{

 					return true;

 				}

 				else if (rule == Command_Deny)

 				{

 					return false;

 				}

 			}

 		}

 		/* See if our other flags match */

 		if ((bits & cmdflags) == cmdflags)

 		{

 			return true;

 		}

 	}

 	return false;

 }

 bool ConCmdManager::CheckAccess(int client, const char *cmd, AdminCmdInfo *pAdmin)

 {

 	if (CheckClientCommandAccess(client, cmd, pAdmin->eflags))

 	{

 		return true;

 	}

 	edict_t *pEdict = PEntityOfEntIndex(client);

 	/* If we got here, the command failed... */

 	char buffer[128];

 	if (!logicore.CoreTranslate(buffer, sizeof(buffer), "%T", 2, NULL, "No Access", &client))

 	{

 		UTIL_Format(buffer, sizeof(buffer), "You do not have access to this command");

 	}

 	unsigned int replyto = g_ChatTriggers.GetReplyTo();

 	if (replyto == SM_REPLY_CONSOLE)

 	{

 		char fullbuffer[192];

 		UTIL_Format(fullbuffer, sizeof(fullbuffer), "[SM] %s.\n", buffer);

 		engine->ClientPrintf(pEdict, fullbuffer);

 	}

 	else if (replyto == SM_REPLY_CHAT)

 	{

 		char fullbuffer[192];

 		UTIL_Format(fullbuffer, sizeof(fullbuffer), "[SM] %s.", buffer);

 		g_HL2.TextMsg(client, HUD_PRINTTALK, fullbuffer);

 	}

 	return false;

 }

 bool ConCmdManager::AddConsoleCommand(IPluginFunction *pFunction, 

 									   const char *name, 

 									   const char *description, 

 									   int flags)

 {

 	ConCmdInfo *pInfo = AddOrFindCommand(name, description, flags);

 	if (!pInfo)

 	{

 		return false;

 	}

 	CmdHook *pHook = new CmdHook();

 	pHook->pf = pFunction;

 	if (description && description[0])

 	{

 		pHook->helptext.assign(description);

 	}

 	pInfo->conhooks.push_back(pHook);

 	/* Add to the plugin */

 	CmdList *pList;

 	IPlugin *pPlugin = g_PluginSys.GetPluginByCtx(pFunction->GetParentContext()->GetContext());

 	if (!pPlugin->GetProperty("CommandList", (void **)&pList))

 	{

 		pList = new CmdList();

 		pPlugin->SetProperty("CommandList", pList);

 	}

 	PlCmdInfo info;

 	info.pInfo = pInfo;

 	info.type = Cmd_Console;

 	info.pHook = pHook;

 	AddToPlCmdList(pList, info);

 	return true;

 }

 bool ConCmdManager::AddAdminCommand(IPluginFunction *pFunction, 

 									 const char *name, 

 									 const char *group,

 									 int adminflags,

 									 const char *description, 

 									 int flags)

 {

 	ConCmdInfo *pInfo = AddOrFindCommand(name, description, flags);

 	if (!pInfo)

 	{

 		return false;

 	}

 	CmdHook *pHook = new CmdHook();

 	AdminCmdInfo *pAdmin = new AdminCmdInfo();

 	pHook->pf = pFunction;

 	if (description && description[0])

 	{

 		pHook->helptext.assign(description);

 	}

 	pHook->pAdmin = pAdmin;

 	void *object;

 	int grpid;

 	if (!sm_trie_retrieve(m_pCmdGrps, group, (void **)&object))

 	{

 		grpid = m_Strings.AddString(group);

 		sm_trie_insert(m_pCmdGrps, group, (void *)grpid);

 	}

 	else

 	{

 		grpid = (int)object;

 	}

 	pAdmin->cmdGrpId = grpid;

 	pAdmin->flags = adminflags;

 	/* First get the command group override, if any */

 	bool override = g_Admins.GetCommandOverride(group, 

 		Override_CommandGroup,

 		&(pAdmin->eflags));

 	/* Next get the command override, if any */

 	if (g_Admins.GetCommandOverride(name,

 		Override_Command,

 		&(pAdmin->eflags)))

 	{

 		override = true;

 	}

 	/* Assign normal flags if there were no overrides */

 	if (!override)

 	{

 		pAdmin->eflags = pAdmin->flags;

 	}

 	/* Finally, add the hook */

 	pInfo->conhooks.push_back(pHook);

 	pInfo->admin = *(pHook->pAdmin);

 	pInfo->is_admin_set = true;

 	/* Now add to the plugin */

 	CmdList *pList;

 	IPlugin *pPlugin = g_PluginSys.GetPluginByCtx(pFunction->GetParentContext()->GetContext());

 	if (!pPlugin->GetProperty("CommandList", (void **)&pList))

 	{

 		pList = new CmdList();

 		pPlugin->SetProperty("CommandList", pList);

 	}

 	PlCmdInfo info;

 	info.pInfo = pInfo;

 	info.type = Cmd_Admin;

 	info.pHook = pHook;

 	AddToPlCmdList(pList, info);

 	return true;

 }

 bool ConCmdManager::AddServerCommand(IPluginFunction *pFunction, 

 									  const char *name, 

 									  const char *description, 

 									  int flags)

 {

 	ConCmdInfo *pInfo = AddOrFindCommand(name, description, flags);

 	if (!pInfo)

 	{

 		return false;

 	}

 	CmdHook *pHook = new CmdHook();

 	pHook->pf = pFunction;

 	if (description && description[0])

 	{

 		pHook->helptext.assign(description);

 	}

 	pInfo->srvhooks.push_back(pHook);

 	/* Add to the plugin */

 	CmdList *pList;

 	IPlugin *pPlugin = g_PluginSys.GetPluginByCtx(pFunction->GetParentContext()->GetContext());

 	if (!pPlugin->GetProperty("CommandList", (void **)&pList))

 	{

 		pList = new CmdList();

 		pPlugin->SetProperty("CommandList", pList);

 	}

 	PlCmdInfo info;

 	info.pInfo = pInfo;

 	info.type = Cmd_Server;

 	info.pHook = pHook;

 	AddToPlCmdList(pList, info);

 	return true;

 }

 void AddToPlCmdList(CmdList *pList, const PlCmdInfo &info)

 {

 	CmdList::iterator iter = pList->begin();

 	bool inserted = false;

 	const char *orig = NULL;

 	orig = info.pInfo->pCmd->GetName();

 	/* Insert this into the help list, SORTED alphabetically. */

 	while (iter != pList->end())

 	{

 		PlCmdInfo &obj = (*iter);

 		const char *cmd = obj.pInfo->pCmd->GetName();

 		if (strcmp(orig, cmd) < 0)

 		{

 			pList->insert(iter, info);

 			inserted = true;

 			break;

 		}

 		iter++;

 	}

 	if (!inserted)

 	{

 		pList->push_back(info);

 	}

 }

 void ConCmdManager::AddToCmdList(ConCmdInfo *info)

 {

 	List<ConCmdInfo *>::iterator iter = m_CmdList.begin();

 	ConCmdInfo *pInfo;

 	bool inserted = false;

 	const char *orig = NULL;

 	orig = info->pCmd->GetName();

 	/* Insert this into the help list, SORTED alphabetically. */

 	while (iter != m_CmdList.end())

 	{

 		const char *cmd = NULL;

 		pInfo = (*iter);

 		cmd = pInfo->pCmd->GetName();

 		if (strcmp(orig, cmd) < 0)

 		{

 			m_CmdList.insert(iter, info);

 			inserted = true;

 			break;

 		}

 		iter++;

 	}

 	if (!inserted)

 	{

 		m_CmdList.push_back(info);

 	}

 }

 void ConCmdManager::UpdateAdminCmdFlags(const char *cmd, OverrideType type, FlagBits bits, bool remove)

 {

 	ConCmdInfo *pInfo;

 	if (type == Override_Command)

 	{

 		if (!sm_trie_retrieve(m_pCmds, cmd, (void **)&pInfo))

 		{

 			return;

 		}

 		List<CmdHook *>::iterator iter;

 		CmdHook *pHook;

 		for (iter=pInfo->conhooks.begin(); iter!=pInfo->conhooks.end(); iter++)

 		{

 			pHook = (*iter);

 			if (pHook->pAdmin)

 			{

 				if (!remove)

 				{

 					pHook->pAdmin->eflags = bits;

 				} else {

 					pHook->pAdmin->eflags = pHook->pAdmin->flags;

 				}

 				pInfo->admin = *(pHook->pAdmin);

 			}

 		}

 		pInfo->is_admin_set = true;

 	}

 	else if (type == Override_CommandGroup)

 	{

 		void *object;

 		if (!sm_trie_retrieve(m_pCmdGrps, cmd, &object))

 		{

 			return;

 		}

 		int grpid = (int)object;

 		/* This is bad :( loop through all commands */

 		List<ConCmdInfo *>::iterator iter;

 		CmdHook *pHook;

 		for (iter=m_CmdList.begin(); iter!=m_CmdList.end(); iter++)

 		{

 			pInfo = (*iter);

 			for (List<CmdHook *>::iterator citer=pInfo->conhooks.begin();

 				 citer!=pInfo->conhooks.end();

 				 citer++)

 			{

 				pHook = (*citer);

 				if (pHook->pAdmin && pHook->pAdmin->cmdGrpId == grpid)

 				{

 					if (remove)

 					{

 						pHook->pAdmin->eflags = bits;

 					} else {

 						pHook->pAdmin->eflags = pHook->pAdmin->flags;

 					}

 					pInfo->admin = *(pHook->pAdmin);

 				}

 			}

 		}

 		pInfo->is_admin_set = true;

 	}

 }

 void ConCmdManager::RemoveConCmd(ConCmdInfo *info, const char *name, bool is_read_safe, bool untrack)

 {

 	/* Remove from the trie */

 	sm_trie_delete(m_pCmds, name);

 	/* Remove console-specific information

 	 * This should always be true as of right now

 	 */

 	if (info->pCmd)

 	{

 		if (info->sourceMod)

 		{

 			/* Unlink from SourceMM */

 			g_SMAPI->UnregisterConCommandBase(g_PLAPI, info->pCmd);

 			/* Delete the command's memory */

 			char *new_help = const_cast<char *>(info->pCmd->GetHelpText());

 			char *new_name = const_cast<char *>(info->pCmd->GetName());

 			delete [] new_help;

 			delete [] new_name;

 			delete info->pCmd;

 		}

 		else

 		{

 			if (is_read_safe)

 			{

 				/* Remove the external hook */

 				SH_REMOVE_HOOK_STATICFUNC(ConCommand, Dispatch, info->pCmd, CommandCallback, false);

 			}

 			if (untrack)

 			{

 				UntrackConCommandBase(info->pCmd, this);

 			}

 		}

 	}

 	/* Remove from list */

 	m_CmdList.remove(info);

 	delete info;

 }

 bool ConCmdManager::LookForSourceModCommand(const char *cmd)

 {

 	ConCmdInfo *pInfo;

 	if (!sm_trie_retrieve(m_pCmds, cmd, (void **)&pInfo))

 	{

 		return false;

 	}

 	return pInfo->sourceMod && (pInfo->conhooks.size() > 0);

 }

 bool ConCmdManager::LookForCommandAdminFlags(const char *cmd, FlagBits *pFlags)

 {

 	ConCmdInfo *pInfo;

 	if (!sm_trie_retrieve(m_pCmds, cmd, (void **)&pInfo))

 	{

 		return false;

 	}

 	*pFlags = pInfo->admin.eflags;

 	return pInfo->is_admin_set;

 }

 ConCmdInfo *ConCmdManager::AddOrFindCommand(const char *name, const char *description, int flags)

 {

 	ConCmdInfo *pInfo;

 	if (!sm_trie_retrieve(m_pCmds, name, (void **)&pInfo))

 	{

 		ConCmdList::iterator item = FindInList(name);

 		if (item != m_CmdList.end())

 			return *item;

 		pInfo = new ConCmdInfo();

 		/* Find the commandopan */

 		ConCommand *pCmd = FindCommand(name);

 		if (!pCmd)

 		{

 			/* Note that we have to duplicate because the source might not be 

 			 * a static string, and these expect static memory.

 			 */

 			if (!description)

 			{

 				description = "";