diff options
Diffstat (limited to 'include/mode.h')
| -rw-r--r-- | include/mode.h | 161 |
1 files changed, 100 insertions, 61 deletions
diff --git a/include/mode.h b/include/mode.h index 1dab442d4..9b8d07877 100644 --- a/include/mode.h +++ b/include/mode.h @@ -20,8 +20,7 @@ */ -#ifndef MODE_H -#define MODE_H +#pragma once #include "ctables.h" @@ -101,6 +100,13 @@ enum ParamSpec */ class CoreExport ModeHandler : public ServiceProvider { + /** + * Removes this prefix mode from all users on the given channel + * @param channel The channel which the server wants to remove your mode from + * @param stack The mode stack to add the mode change to + */ + void RemovePrefixMode(Channel* chan, irc::modestacker& stack); + protected: /** * The mode parameter translation type @@ -149,6 +155,11 @@ class CoreExport ModeHandler : public ServiceProvider */ int levelrequired; + /** The prefix rank of this mode, used to compare prefix + * modes + */ + unsigned int prefixrank; + public: /** * The constructor for ModeHandler initalizes the mode handler. @@ -166,7 +177,7 @@ class CoreExport ModeHandler : public ServiceProvider /** * Returns true if the mode is a list mode */ - bool IsListMode(); + bool IsListMode() const { return list; } /** * Mode prefix or 0. If this is defined, you should * also implement GetPrefixRank() to return an integer @@ -180,7 +191,7 @@ class CoreExport ModeHandler : public ServiceProvider * PrefixModeValue enum and Channel::GetPrefixValue() for * more information. */ - virtual unsigned int GetPrefixRank(); + unsigned int GetPrefixRank() const { return prefixrank; } /** * Returns the mode's type */ @@ -269,26 +280,23 @@ class CoreExport ModeHandler : public ServiceProvider virtual bool ResolveModeConflict(std::string &their_param, const std::string &our_param, Channel* channel); /** - * When a MODETYPE_USER mode handler is being removed, the server will call this method for every user on the server. - * Your mode handler should remove its user mode from the user by sending the appropriate server modes using - * InspIRCd::SendMode(). The default implementation of this method can remove simple modes which have no parameters, - * and can be used when your mode is of this type, otherwise you must implement a more advanced version of it to remove - * your mode properly from each user. + * When a MODETYPE_USER mode handler is being removed, the core will call this method for every user on the server. + * The usermode will be removed using the appropiate server mode using InspIRCd::SendMode(). * @param user The user which the server wants to remove your mode from - * @param stack The mode stack to add the mode change to */ - virtual void RemoveMode(User* user, irc::modestacker* stack = NULL); + void RemoveMode(User* user); /** * When a MODETYPE_CHANNEL mode handler is being removed, the server will call this method for every channel on the server. - * Your mode handler should remove its user mode from the channel by sending the appropriate server modes using - * InspIRCd::SendMode(). The default implementation of this method can remove simple modes which have no parameters, - * and can be used when your mode is of this type, otherwise you must implement a more advanced version of it to remove - * your mode properly from each channel. Note that in the case of listmodes, you should remove the entire list of items. + * The mode handler has to populate the given modestacker with mode changes that remove the mode from the channel. + * The default implementation of this method can remove all kinds of channel modes except listmodes. + * In the case of listmodes, the entire list of items must be added to the modestacker (which is handled by ListModeBase, + * so if you inherit from it or your mode can be removed by the default implementation then you do not have to implement + * this function). * @param channel The channel which the server wants to remove your mode from * @param stack The mode stack to add the mode change to */ - virtual void RemoveMode(Channel* channel, irc::modestacker* stack = NULL); + virtual void RemoveMode(Channel* channel, irc::modestacker& stack); inline unsigned int GetLevelRequired() const { return levelrequired; } }; @@ -339,11 +347,12 @@ class CoreExport ParamChannelModeHandler : public ModeHandler */ class CoreExport ModeWatcher : public classbase { - protected: + private: /** - * The mode letter this class is watching + * The mode name this class is watching */ - char mode; + const std::string mode; + /** * The mode type being watched (user or channel) */ @@ -354,17 +363,18 @@ class CoreExport ModeWatcher : public classbase /** * The constructor initializes the mode and the mode type */ - ModeWatcher(Module* creator, char modeletter, ModeType type); + ModeWatcher(Module* creator, const std::string& modename, ModeType type); /** * The default destructor does nothing. */ virtual ~ModeWatcher(); /** - * Get the mode character being watched - * @return The mode character being watched + * Get the mode name being watched + * @return The mode name being watched */ - char GetModeChar(); + const std::string& GetModeName() const { return mode; } + /** * Get the mode type being watched * @return The mode type being watched (user or channel) @@ -380,11 +390,10 @@ class CoreExport ModeWatcher : public classbase * If you alter the parameter you are given, the mode handler will see your atered version * when it handles the mode. * @param adding True if the mode is being added and false if it is being removed - * @param type The mode type, either MODETYPE_USER or MODETYPE_CHANNEL * @return True to allow the mode change to go ahead, false to abort it. If you abort the * change, the mode handler (and ModeWatcher::AfterMode()) will never see the mode change. */ - virtual bool BeforeMode(User* source, User* dest, Channel* channel, std::string ¶meter, bool adding, ModeType type); + virtual bool BeforeMode(User* source, User* dest, Channel* channel, std::string& parameter, bool adding); /** * After the mode character has been processed by the ModeHandler, this method will be called. * @param source The sender of the mode @@ -393,12 +402,11 @@ class CoreExport ModeWatcher : public classbase * @param parameter The parameter of the mode, if the mode is supposed to have a parameter. * You cannot alter the parameter here, as the mode handler has already processed it. * @param adding True if the mode is being added and false if it is being removed - * @param type The mode type, either MODETYPE_USER or MODETYPE_CHANNEL */ - virtual void AfterMode(User* source, User* dest, Channel* channel, const std::string ¶meter, bool adding, ModeType type); + virtual void AfterMode(User* source, User* dest, Channel* channel, const std::string& parameter, bool adding); }; -typedef std::vector<ModeWatcher*>::iterator ModeWatchIter; +typedef std::multimap<std::string, ModeWatcher*>::iterator ModeWatchIter; /** The mode parser handles routing of modes and handling of mode strings. * It marshalls, controls and maintains both ModeWatcher and ModeHandler classes, @@ -414,11 +422,11 @@ class CoreExport ModeParser * or a channel mode, so we have 256 of them not 64. */ ModeHandler* modehandlers[256]; - /** Mode watcher classes arranged in the same way as the - * mode handlers, except for instead of having 256 of them - * we have 256 lists of them. + + /** Mode watcher classes */ - std::vector<ModeWatcher*> modewatchers[256]; + std::multimap<std::string, ModeWatcher*> modewatchermap; + /** Displays the current modes of a channel or user. * Used by ModeParser::Process. */ @@ -433,6 +441,20 @@ class CoreExport ModeParser */ ModeAction TryMode(User* user, User* targu, Channel* targc, bool adding, unsigned char mode, std::string ¶m, bool SkipACL); + /** Returns a list of user or channel mode characters. + * Used for constructing the parts of the mode list in the 004 numeric. + * @param mt Controls whether to list user modes or channel modes + * @param needparam Return modes only if they require a parameter to be set + * @return The available mode letters that satisfy the given conditions + */ + std::string CreateModeList(ModeType mt, bool needparam = false); + + /** Recreate the cached mode list that is displayed in the 004 numeric + * in Cached004ModeList. + * Called when a mode handler is added or removed. + */ + void RecreateModeListFor004Numeric(); + /** The string representing the last set of modes to be parsed. * Use GetLastParse() to get this value, to be used for display purposes. */ @@ -444,17 +466,41 @@ class CoreExport ModeParser unsigned int seq; + /** Cached mode list for use in 004 numeric + */ + std::string Cached004ModeList; + public: + typedef unsigned int ModeProcessFlag; + enum ModeProcessFlags + { + /** If only this flag is specified, the mode change will be global + * and parameter modes will have their parameters explicitly set + * (not merged). This is the default. + */ + MODE_NONE = 0, + + /** If this flag is set then the parameters of non-listmodes will be + * merged according to their conflict resolution rules. + * Does not affect user modes, channel modes without a parameter and + * listmodes. + */ + MODE_MERGE = 1, + + /** If this flag is set then the mode change won't be handed over to + * the linking module to be sent to other servers, but will be processed + * locally and sent to local user(s) as usual. + */ + MODE_LOCALONLY = 2 + }; - /** The constructor initializes all the RFC basic modes by using ModeParserAddMode(). - */ ModeParser(); ~ModeParser(); - /** Used to check if user 'd' should be allowed to do operation 'MASK' on channel 'chan'. - * for example, should 'user A' be able to 'op' on 'channel B'. + /** Initialize all built-in modes */ - User* SanityChecks(User *user,const char *dest,Channel *chan,int status); + static void InitBuiltinModes(); + /** Tidy a banmask. This makes a banmask 'acceptable' if fields are left out. * E.g. * @@ -474,7 +520,7 @@ class CoreExport ModeParser * may be different to what you sent after it has been 'cleaned up' by the parser. * @return Last parsed string, as seen by users. */ - const std::string& GetLastParse(); + const std::string& GetLastParse() const { return LastParse; } const std::vector<std::string>& GetLastParseParams() { return LastParseParams; } const std::vector<TranslateType>& GetLastParseTranslate() { return LastParseTranslate; } /** Add a mode to the mode parser. @@ -496,9 +542,9 @@ class CoreExport ModeParser * triggered. See the documentation of class ModeWatcher for more * information. * @param mw The ModeWatcher you want to add - * @return True if the ModeWatcher was added correctly */ - bool AddModeWatcher(ModeWatcher* mw); + void AddModeWatcher(ModeWatcher* mw); + /** Delete a mode watcher. * A mode watcher is triggered before and after a mode handler is * triggered. See the documentation of class ModeWatcher for more @@ -510,12 +556,11 @@ class CoreExport ModeParser /** Process a set of mode changes from a server or user. * @param parameters The parameters of the mode change, in the format * they would be from a MODE command. - * @param user The user setting or removing the modes. When the modes are set - * by a server, an 'uninitialized' User is used, where *user\::nick == NULL - * and *user->server == NULL. - * @param merge Should the mode parameters be merged? + * @param user The source of the mode change, can be a server user. + * @param flags Optional flags controlling how the mode change is processed, + * defaults to MODE_NONE. */ - void Process(const std::vector<std::string>& parameters, User *user, bool merge = false); + void Process(const std::vector<std::string>& parameters, User* user, ModeProcessFlag flags = MODE_NONE); /** Find the mode handler for a given mode and type. * @param modeletter mode letter to search for @@ -531,20 +576,13 @@ class CoreExport ModeParser */ ModeHandler* FindPrefix(unsigned const char pfxletter); - /** Returns a list of mode characters which are usermodes. - * This is used in the 004 numeric when users connect. - */ - std::string UserModeList(); - - /** Returns a list of channel mode characters which are listmodes. - * This is used in the 004 numeric when users connect. + /** Returns a list of modes, space seperated by type: + * 1. User modes + * 2. Channel modes + * 3. Channel modes that require a parameter when set + * This is sent to users as the last part of the 004 numeric */ - std::string ChannelModeList(); - - /** Returns a list of channel mode characters which take parameters. - * This is used in the 004 numeric when users connect. - */ - std::string ParaModeList(); + const std::string& GetModeListFor004Numeric(); /** Generates a list of modes, comma seperated by type: * 1; Listmodes EXCEPT those with a prefix @@ -554,12 +592,13 @@ class CoreExport ModeParser */ std::string GiveModeList(ModeMasks m); - static bool PrefixComparison(ModeHandler* one, ModeHandler* two); - /** This returns the PREFIX=(ohv)@%+ section of the 005 numeric, or * just the "@%+" part if the parameter false */ std::string BuildPrefixes(bool lettersAndModes = true); }; -#endif +inline const std::string& ModeParser::GetModeListFor004Numeric() +{ + return Cached004ModeList; +} |