firefly

I have an irc bot that works so far, i want it to log everything in the channel and output it to a text file.
The only problem is that i am rubbish at string manipulation .

How would i turn this string
":firefly!firefly@somerandomhost.com PRIVMSG #test : Hello"

in to something like this?:
"<firefly>Hello"

Thanks in advance.

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DaWei

Investigate "strtok". Look also at strchr and strstr. Of course, you have to actually DEFINE for yourself how to decide that "firefly!firefly@somerandomhost.com" becomes merely "<firefly>".

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Ooble

I would personally just copy it to a new string. Loop up to the first ':', insert a '<', take everything up to the '!' and copy it into the string, insert "> ", loop up to " : " and then take the rest of the string.

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firefly

Wow, just wat i wanted, thnx.

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"do you have to put stupid quotes in your messages?" - aaron

stevengs

I am assuming those are e-mail addresses? If so, you might want to take a peek at RFC822, because the specification for e-mail addresses is pretty darned complex....

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-Steven
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Nuticulus

Actually, a RFC on the IRC protocol can be found here. It has some pseudo regular expressions there too to explain how it's formatted. Quite useful.

When I wrote my IRC engine, I found regexes invaluable. They were key in extracting data from strings quickly. You might want to look into pcre, which is basically an API for making and using perl-like regular expressions. It's quite good, and lots of high profile projects use it. There's a window port too.

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Ooble

After I posted that, I was thinking regex could come in handy - I just couldn't be bothered to come back and edit my post. If you want to use regular expressions, something like this might work:
EDIT: is it me, or does that look like the most elaborate smiley ever?

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firefly

I think i'll do the loop thing. But i will also look at regex's, they look interesting... not to mention complicating

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"do you have to put stupid quotes in your messages?" - aaron

DaWei

Ooble, I don't even want to imagine how that smiley got that expression on its face .

Regex is a wonderful tool. It also tends to be a resource hog. If the matching characteristics are reasonably simple, trudging down the string finding the delimiting characters is more effective. Finding delimiters and substrings are what strchr, strstr, and strtok do.

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Abstraction doesn't make it impossible to write bad code; it makes it possible to write superior code.
Contributor's Corner: Grumpy on C++ Exceptions DaWei on Pointers

stevengs

imho, that was the most valuable line in this thread. I had noticed this before, but hadn't contributed it to the regex.. now I know better...

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"Is this a piece of your brain?" - Basil Fawlty