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Name Trigger

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Posted by Nick Gammon Australia (23,165 posts) Bio Forum Administrator

Date Reply #15 on Thu 03 Feb 2011 12:28 AM (UTC)

Message

This is one way of doing the colours:


<triggers>
  <trigger
   enabled="y"
   ignore_case="y"
   match="*funny looking clown*"
   omit_from_output="y"
   send_to="14"
   sequence="110"
  >
  <send>

-- show each style in its original colour

for i, style in ipairs (TriggerStyleRuns) do
  ColourTell (RGBColourToName (style.textcolour), RGBColourToName (style.backcolour), style.text)

  -- if person's description, append their name
  if style.text == "a funny looking clown" then
    ColourTell ("white", "", " (Tom)")
   end -- if
end

Note ""  -- start new line

</send>
  </trigger>
</triggers>

The appending of the name here depends on the description "a funny looking clown" being in its own style run (that is, all the same colour).

Skasi said:

Also is there a way to access the string between the asterisks?

You can do that if you make it a regular expression. Hit the "convert to regular expression" button, and then add brackets around the middle bit. This also lets you do a more general solution. eg.


<triggers>
  <trigger
   enabled="y"
   ignore_case="y"
   match="^(.*?)(a funny looking clown|a sleepy fellow|a pretty girl)(.*?)$"
   omit_from_output="y"
   regexp="y"
   send_to="14"
   sequence="110"
  >
  <send>

friends = {
 ["a funny looking clown"] = "Tom",
 ["a sleepy fellow"] = "John",
 ["a pretty girl"] = "Sarah",

-- more here

}

-- show each style in its original colour

for i, style in ipairs (TriggerStyleRuns) do
  ColourTell (RGBColourToName (style.textcolour), RGBColourToName (style.backcolour), style.text)

  -- if person's description, append their name
  if style.text == "%2" then
    ColourTell ("white", "", " (" ..
      (friends ["%2"] or "unknown") ..
       ")")
   end -- if
end

Note ""  -- start new line

</send>
  </trigger>
</triggers>

This keeps a table of friends, and then uses a regular expression to check for one of them.

You could improve this a bit by generating the matching names into a variable rather than having to repeat all the descriptions.

For advice on how to copy the above, and paste it into MUSHclient, please see Pasting XML.

- Nick Gammon

www.gammon.com.au, www.mushclient.com

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Posted by Skasi (3 posts) Bio

Date

Reply #16 on Sat 05 Feb 2011 11:42 PM (UTC)

Amended on Sat 05 Feb 2011 11:47 PM (UTC) by Skasi

Message

That's more or less exactly what I needed, thanks! :)

Is it possible to use variables as arrays? Is there a way to use scripts in 'match'? I would like to do something like the following:


function getNames()
 local names = GetVariable("names")
 for i in ipairs(names) do
  print(i)
  if i < #names then print("|") end
 end
end

match="^(.*?)(getNames())(.*?)$"

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Posted by Nick Gammon Australia (23,165 posts) Bio Forum Administrator

Date

Reply #17 on Sun 06 Feb 2011 12:03 AM (UTC)

Amended on Sun 06 Feb 2011 12:05 AM (UTC) by Nick Gammon

Message

You can't directly put tables into variables. However it is easy enough with serialization:

http://www.gammon.com.au/forum/?id=4960

For example with this test data:



-- example table - in practice you would make an alias to add them

names = {
 ["a funny looking clown"] = "Tom",
 ["a sleepy fellow"] = "John",
 ["a pretty girl"] = "Sarah",

-- more here

}

Put this into the "on world save" callback:


require "serialize"

SetVariable ("saved_names", "names = " .. serialize.save_simple (names))

Now if you look at the (MUSHclient) variable "saved_names" (in the variables configuration dialog) you see this:


names = {
  ["a sleepy fellow"] = "John",
  ["a pretty girl"] = "Sarah",
  ["a funny looking clown"] = "Tom",
  }

This will now be saved as part of the world file, whenever you save that.

Next time (using the "world open" script callback) you put the names back like this:


assert (loadstring (GetVariable ("saved_names") or "")) ()

That converts the "string" table into an actual table.

So much for saving and loading.

Now to use in the trigger. Do the following whenever the list of names changes:


function getNames ()
 local t = {}
 for k, v in pairs (names) do
   table.insert (t, k)
 end
 SetVariable ("names_match", table.concat (t, "|"))
end

I use a second table here to convert the descriptions/names into a numerically-keyed table of just the descriptions. Then table.concat puts a "|" between each one.

Thus now names_match is:


a sleepy fellow|a pretty girl|a funny looking clown

Finally we can use the variable names_match in the trigger by putting it there with "expand variables" checked. Also note the use of the "!" which stops MUSHclient trying to put a backslash in front of the "|" characters ...


<triggers>
  <trigger
   enabled="y"
   expand_variables="y"
   ignore_case="y"
   match="^(.*?)(@!names_match)(.*?)$"
   omit_from_output="y"
   regexp="y"
   send_to="14"
   sequence="110"
  >
  <send>

-- show each style in its original colour

for i, style in ipairs (TriggerStyleRuns) do
  ColourTell (RGBColourToName (style.textcolour), RGBColourToName (style.backcolour), style.text)

  -- if person's description, append their name
  if style.text == "%2" then
    ColourTell ("white", "", " (" ..
      (names ["%2"] or "unknown") ..
       ")")
   end -- if
end

Note ""  -- start new line

</send>
  </trigger>
</triggers>

- Nick Gammon

www.gammon.com.au, www.mushclient.com

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