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Updated, thanks for discovering these typos, Grantbow.

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Jeremy Fincher 2004-08-27 05:57:27 +00:00
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10
docs/CAPABILITIES
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@ -1,4 +1,4 @@
Ok, some some explanation of the capabilities system is probably in Ok, some explanation of the capabilities system is probably in
order. With most IRC bots (including the ones I've written myself order. With most IRC bots (including the ones I've written myself
prior to this one) "what a user can do" is set in one of two ways. On prior to this one) "what a user can do" is set in one of two ways. On
the *really* simple bots, each user has a numeric "level" and commands the *really* simple bots, each user has a numeric "level" and commands
@ -33,7 +33,7 @@ what a user *cannot* do. It's formed rather simply by adding a dash
command, perhaps "calc" or "help", the bot first checks to make sure command, perhaps "calc" or "help", the bot first checks to make sure
the user doesn't have the "-calc" or the "-help" capabilities before the user doesn't have the "-calc" or the "-help" capabilities before
even considering responding to the user. So commands can be turned on even considering responding to the user. So commands can be turned on
or off on a *per user* basis, offering finegrained control not often or off on a *per user* basis, offering fine-grained control not often
(if at all!) seen in other bots. (if at all!) seen in other bots.
But that's not all! The capabilities system also supports *Channel* But that's not all! The capabilities system also supports *Channel*
@ -50,7 +50,7 @@ individual channel!
So when a user "foo" sends a command "bar" to the bot on channel So when a user "foo" sends a command "bar" to the bot on channel
"#baz", first the bot checks to see if the user has the anticapability "#baz", first the bot checks to see if the user has the anticapability
for the command by itself, "-bar". If so, it returns right then and for the command by itself, "-bar". If so, it returns right then and
there, compltely ignoring the fact that the user issued that command there, completely ignoring the fact that the user issued that command
to it. If the user doesn't have that anticapability, then the bot to it. If the user doesn't have that anticapability, then the bot
checks to see if the user issued the command over a channel, and if checks to see if the user issued the command over a channel, and if
so, checks to see if the user has the antichannelcapability for that so, checks to see if the user has the antichannelcapability for that
@ -59,7 +59,7 @@ and doesn't even think about responding to the bot. If neither of
these anticapabilities are present, then the bot just responds to the these anticapabilities are present, then the bot just responds to the
user like normal. user like normal.
From a programmatical perspective, capabilties are easy to use and From a programming perspective, capabilties are easy to use and
flexible. Any command can check if a user has any capability, even flexible. Any command can check if a user has any capability, even
ones not thought of when the bot was originally written. ones not thought of when the bot was originally written.
Commands/Callbacks can add their own capabilities -- it's as easy as Commands/Callbacks can add their own capabilities -- it's as easy as
@ -110,7 +110,7 @@ Another command that requires the trusted capability is Utilties.re,
which (due to the regular expression implementation in Python (and any which (due to the regular expression implementation in Python (and any
other language that uses NFA regular expressions, like Perl or Ruby or other language that uses NFA regular expressions, like Perl or Ruby or
Lua or ...) which can allow a regular expression to take exponential Lua or ...) which can allow a regular expression to take exponential
time to process). Consider what would happen if the someone gave the time to process). Consider what would happen if someone gave the
bot the command 're [format join "" s/./ [dict go] /] [dict go]' bot the command 're [format join "" s/./ [dict go] /] [dict go]'
Other plugins may require different capabilities; the Factoids plugin Other plugins may require different capabilities; the Factoids plugin