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/*
* InspIRCd -- Internet Relay Chat Daemon
*
* Copyright (C) 2008 Craig Edwards <craigedwards@brainbox.cc>
*
* This file is part of InspIRCd. InspIRCd is free software: you can
* redistribute it and/or modify it under the terms of the GNU General Public
* License as published by the Free Software Foundation, version 2.
*
* 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/>.
*/
#include "inspircd.h"
/* $ModDesc: Provides the ability to abbreviate commands a-la BBC BASIC keywords. */
class ModuleAbbreviation : public Module
{
public:
void init()
{
ServerInstance->Modules->Attach(I_OnPreCommand, this);
}
void Prioritize()
{
ServerInstance->Modules->SetPriority(this, I_OnPreCommand, PRIORITY_FIRST);
}
virtual Version GetVersion()
{
return Version("Provides the ability to abbreviate commands a-la BBC BASIC keywords.",VF_VENDOR);
}
virtual ModResult OnPreCommand(std::string &command, std::vector<std::string> ¶meters, LocalUser *user, bool validated, const std::string &original_line)
{
/* Command is already validated, has a length of 0, or last character is not a . */
if (validated || command.empty() || *command.rbegin() != '.')
return MOD_RES_PASSTHRU;
/* Whack the . off the end */
command.erase(command.end() - 1);
/* Look for any command that starts with the same characters, if it does, replace the command string with it */
size_t clen = command.length();
std::string foundcommand, matchlist;
bool foundmatch = false;
for (Commandtable::iterator n = ServerInstance->Parser->cmdlist.begin(); n != ServerInstance->Parser->cmdlist.end(); ++n)
{
if (n->first.length() < clen)
continue;
if (command == n->first.substr(0, clen))
{
if (matchlist.length() > 450)
{
user->WriteNumeric(420, "%s :Ambiguous abbreviation and too many possible matches.", user->nick.c_str());
return MOD_RES_DENY;
}
if (!foundmatch)
{
/* Found the command */
foundcommand = n->first;
foundmatch = true;
}
else
matchlist.append(" ").append(n->first);
}
}
/* Ambiguous command, list the matches */
if (!matchlist.empty())
{
user->WriteNumeric(420, "%s :Ambiguous abbreviation, posssible matches: %s%s", user->nick.c_str(), foundcommand.c_str(), matchlist.c_str());
return MOD_RES_DENY;
}
if (foundcommand.empty())
{
/* No match, we have to put the . back again so that the invalid command numeric looks correct. */
command += '.';
}
else
{
command = foundcommand;
}
return MOD_RES_PASSTHRU;
}
};
MODULE_INIT(ModuleAbbreviation)
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