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➜ MUSHclient
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➜ Limiting tab search in scrollback
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Limiting tab search in scrollback
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| Posted by
| Worstje
Netherlands (899 posts) Bio
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| Date
| Wed 04 Oct 2006 01:07 PM (UTC) |
| Message
| I have a huge scrollback so I can easily copy-paste long fights if I happen to end up in them. However, with the TAB function this causes problems. For example, I do:
say How are you, Xs<tab>
instead of Xa<tab>, which should be autocompleted into Xanthor, MUSH freezes for over one minute because it searches the ENTIRE scrollback... which exists out of 200,000 lines for me. While it hasn't gotten me killed so far, it's highly annoying.
Can a function be added that allows you to limit autocomplete searching to ..for example, the last 100 lines in scrollback? | | Top |
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| Posted by
| Zeno
USA (2,871 posts) Bio
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| Date
| Reply #1 on Wed 04 Oct 2006 01:57 PM (UTC) |
| Message
| | Yeah this is a huge problem for me too. I have my buffer quite large, and sometimes when I go to type something and hit tab I end up typing a wrong letter and I have to wait literally 15 minutes. |
Zeno McDohl,
Owner of Bleached InuYasha Galaxy
http://www.biyg.org | | Top |
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| Posted by
| Sketch-The-Fox
(19 posts) Bio
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| Date
| Reply #2 on Wed 04 Oct 2006 09:43 PM (UTC) |
| Message
| | As well as a 'lines' limiter, I suggest an and/or feature to limit by time elapsed in a search. | | Top |
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| Posted by
| Nick Gammon
Australia (23,173 posts) Bio
Forum Administrator |
| Date
| Reply #3 on Wed 04 Oct 2006 10:08 PM (UTC) |
| Message
| 15 minutes sounds a bit long.
I have added a new option to version 3.81 which lets you specify the number of lines to search, defaulting to 200.
I don't know about a time limit, I think a line limit will be adequate. |
- Nick Gammon
www.gammon.com.au, www.mushclient.com | | Top |
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| Posted by
| David Haley
USA (3,881 posts) Bio
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| Date
| Reply #4 on Wed 04 Oct 2006 11:28 PM (UTC) |
| Message
| If one were willing to take a slight memory hit, it would be possible to index the auto-completion words using a lexical trie. This would make word look-up extremely fast; it would be proportional to the length of the word (in letters) as opposed to searching backwards through the buffer. That would also probably require more coding on Nick's part, though. :-)
(That being said, I would be happy to provide Nick with a C++ class I wrote that fully implements a character-based lexical trie; the work would then be to add all words displayed into that trie and then query it for words. It already takes care of things like asking for a list of words that start with a certain prefix, or even a list of words that match a (simple) regular expression.)
The reason I don't like a line limit is that sometimes these 'big fights' (or whatever) can happen and take up lots of space, thus removing whatever I had just before in my list of potential auto-completions. It seems to sort of defeat the purpose of auto-complete to limit it to relatively few lines. I suppose if the buffer were 10,000 lines long and you limited yourself to 1,000 lines or so things would be different, but I still think it would be much better to use an index. If you're storing thousands of lines anyhow, the overhead to having a word index won't be too big. (You can store the entire Oxford English Dictionary in a few megabytes of memory, if I remember correctly.) |
David Haley aka Ksilyan
Head Programmer,
Legends of the Darkstone
http://david.the-haleys.org | | Top |
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