2 * InspIRCd -- Internet Relay Chat Daemon
4 * Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org>
6 * This file is part of InspIRCd. InspIRCd is free software: you can
7 * redistribute it and/or modify it under the terms of the GNU General Public
8 * License as published by the Free Software Foundation, version 2.
10 * This program is distributed in the hope that it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
12 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
15 * You should have received a copy of the GNU General Public License
16 * along with this program. If not, see <http://www.gnu.org/licenses/>.
21 /** The base class for list modes, should be inherited.
23 class ListModeBase : public ModeHandler
26 /** An item in a listmode's list
33 ListItem(const std::string& Mask, const std::string& Setter, time_t Time)
34 : setter(Setter), mask(Mask), time(Time) { }
37 /** Items stored in the channel's list
39 typedef std::list<ListItem> ModeList;
48 ChanData() : maxitems(-1) { }
51 /** The number of items a listmode's list may contain
57 ListLimit(const std::string& Mask, unsigned int Limit) : mask(Mask), limit(Limit) { }
58 bool operator==(const ListLimit& other) const { return (this->mask == other.mask && this->limit == other.limit); }
61 /** Max items per channel by name
63 typedef std::vector<ListLimit> limitlist;
65 /** Finds the limit of modes that can be placed on the given channel name according to the config
66 * @param channame The channel name to find the limit for
67 * @return The maximum number of modes of this type that we allow to be set on the given channel name
69 unsigned int FindLimit(const std::string& channame);
71 /** Returns the limit on the given channel for this mode.
72 * If the limit is cached then the cached value is returned,
73 * otherwise the limit is determined using FindLimit() and cached
74 * for later queries before it is returned
75 * @param channame The channel name to find the limit for
76 * @param cd The ChanData associated with channel channame
77 * @return The maximum number of modes of this type that we allow to be set on the given channel
79 unsigned int GetLimitInternal(const std::string& channame, ChanData* cd);
82 /** Numeric to use when outputting the list
84 unsigned int listnumeric;
85 /** Numeric to indicate end of list
87 unsigned int endoflistnumeric;
88 /** String to send for end of list
90 std::string endofliststring;
91 /** Automatically tidy up entries
94 /** Config tag to check for max items per channel
96 std::string configtag;
97 /** Limits on a per-channel basis read from the tag
98 * specified in ListModeBase::configtag
100 limitlist chanlimits;
104 SimpleExtItem<ChanData> extItem;
108 * @param Instance The creator of this class
109 * @param modechar Mode character
110 * @param eolstr End of list string
111 * @param lnum List numeric
112 * @param eolnum End of list numeric
113 * @param autotidy Automatically tidy list entries on add
114 * @param ctag Configuration tag to get limits from
116 ListModeBase(Module* Creator, const std::string& Name, char modechar, const std::string &eolstr, unsigned int lnum, unsigned int eolnum, bool autotidy, const std::string &ctag = "banlist");
118 /** Get limit of this mode on a channel
119 * @param channel The channel to inspect
120 * @return Maximum number of modes of this type that can be placed on the given channel
122 unsigned int GetLimit(Channel* channel);
124 /** Retrieves the list of all modes set on the given channel
125 * @param channel Channel to get the list from
126 * @return A list with all modes of this type set on the given channel, can be NULL
128 ModeList* GetList(Channel* channel);
130 /** Display the list for this mode
132 * @param user The user to send the list to
133 * @param channel The channel the user is requesting the list for
135 virtual void DisplayList(User* user, Channel* channel);
137 /** Tell a user that a list contains no elements.
138 * Sends 'eolnum' numeric with text 'eolstr', unless overridden (see constructor)
139 * @param user The user issuing the command
140 * @param channel The channel that has the empty list
143 virtual void DisplayEmptyList(User* user, Channel* channel);
145 /** Remove all instances of the mode from a channel.
147 * @param channel The channel to remove all instances of the mode from
149 virtual void RemoveMode(Channel* channel, irc::modestacker* stack);
151 /** Listmodes don't get set on users, no-op
153 virtual void RemoveMode(User*, irc::modestacker* stack);
155 /** Perform a rehash of this mode's configuration data
157 virtual void DoRehash();
159 /** Populate the Implements list with the correct events for a List Mode
161 virtual void DoImplements(Module* m);
163 /** Handle the list mode.
166 virtual ModeAction OnModeChange(User* source, User*, Channel* channel, std::string ¶meter, bool adding);
168 /** Syncronize channel item list with another server.
170 * @param chan Channel to syncronize
171 * @param proto Protocol module pointer
172 * @param opaque Opaque connection handle
174 virtual void DoSyncChannel(Channel* chan, Module* proto, void* opaque);
176 /** Validate parameters.
177 * Overridden by implementing module.
178 * @param source Source user adding the parameter
179 * @param channel Channel the parameter is being added to
180 * @param parameter The actual parameter being added
181 * @return true if the parameter is valid
183 virtual bool ValidateParam(User* user, Channel* channel, std::string& parameter);
185 /** Tell the user the list is too long.
186 * Overridden by implementing module.
187 * @param source Source user adding the parameter
188 * @param channel Channel the parameter is being added to
189 * @param parameter The actual parameter being added
191 virtual void TellListTooLong(User* source, Channel* channel, std::string& parameter);
193 /** Tell the user an item is already on the list.
194 * Overridden by implementing module.
195 * @param source Source user adding the parameter
196 * @param channel Channel the parameter is being added to
197 * @param parameter The actual parameter being added
199 virtual void TellAlreadyOnList(User* source, Channel* channel, std::string& parameter);
201 /** Tell the user that the parameter is not in the list.
202 * Overridden by implementing module.
203 * @param source Source user removing the parameter
204 * @param channel Channel the parameter is being removed from
205 * @param parameter The actual parameter being removed
207 virtual void TellNotSet(User* source, Channel* channel, std::string& parameter);
210 inline ListModeBase::ModeList* ListModeBase::GetList(Channel* channel)
212 ChanData* cd = extItem.get(channel);