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➜ MUSHclient
➜ General
➜ how to checking contents of next line received
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how to checking contents of next line received
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| Posted by
| Jing Wu
Australia (35 posts) Bio
|
| Date
| Tue 20 May 2008 08:02 PM (UTC) |
| Message
| Hi,
Im look for a way to check the next line recevied after a trigger executed.
For example:
here is a trigger: ^Andy says xxx
and it is triggered.
i need to check the next line after this trigger to decide what commands will be sent.
so i got two questions:
1. how to obtain current line num. of this trigger?
2. how to check the next line of this trigger?
if I am able to get the line num.(lineNum) and use
GetLineInfo(lineNum + 1, 3). In this time, the new line might not be recevied from the server, will it return nil?
Or I can set a callback function which will be executed once (lineNum + 1) line is recevied?
Thanks!
|
Kernel Development | | Top |
|
| Posted by
| Beale
(35 posts) Bio
|
| Date
| Reply #1 on Tue 20 May 2008 09:58 PM (UTC) |
| Message
| | Instead of this (rather complicated-sounding) method, you could make a catch-all trigger that is enabled by the first trigger and which disables itself. | | Top |
|
| Posted by
| Nick Gammon
Australia (23,158 posts) Bio
Forum Administrator |
| Date
| Reply #2 on Tue 20 May 2008 10:43 PM (UTC) |
| Message
| You certainly can't obtain the contents of line+1 because it hasn't arrived yet. Triggers fire as soon as a line arrives.
However one solution is a multi-line trigger, see example below. It depends a bit on what is in the second line, I have assumed anything as you didn't say.
This trigger will fire after the second line arrives, and will check that the first line is "Andy says <something>".
<triggers>
<trigger
enabled="y"
lines_to_match="2"
match="^Andy says (.+)\n(.+)\Z"
multi_line="y"
regexp="y"
send_to="2"
sequence="100"
>
<send>
%%1 is %1
%%2 is %2
</send>
</trigger>
</triggers>
See http://mushclient.com/pasting for how to copy that into the client.
As Beale says, another approach is for the first trigger to enable a "catch-all" trigger (ie. matching "*") which is initially disabled. This second trigger then knows that it must have followed the "Andy says" line. The second trigger then disables itself. The FAQ at http://mushclient.com/faq has an example of this sort of thing in point 37. |
- Nick Gammon
www.gammon.com.au, www.mushclient.com | | Top |
|
| Posted by
| Jing Wu
Australia (35 posts) Bio
|
| Date
| Reply #3 on Wed 21 May 2008 08:37 AM (UTC) |
| Message
| Thanks Nick.
It's a good idea to use multi-line trigger, which is an easy way to reach my purpse.
Originally, i was thinking about using plugin with "OnPluginLineReceived" callback, but it seems i need to write lots of codes. |
Kernel Development | | Top |
|
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