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Re: [ANN] RegexKit - An Objective-C Framework for Regular Expressions Using the PCRE Library
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Re: [ANN] RegexKit - An Objective-C Framework for Regular Expressions Using the PCRE Library


  • Subject: Re: [ANN] RegexKit - An Objective-C Framework for Regular Expressions Using the PCRE Library
  • From: "Mark Munz" <email@hidden>
  • Date: Tue, 11 Sep 2007 10:53:27 -0700

On 9/11/07, Alastair Houghton <email@hidden> wrote:

> That's all true, but why release an implementation at all if there
> are third-party alternatives that are just as simple to use and if
> your implementation has no performance or other advantages?

There are some 3rd party options, but they come with their own set of
issues. Just because I want to use regexps does not mean I want to be
forced to become an expert in the underlying engine code.

> Particularly if there's a risk (and I think there is) that the API
> you come up with might have to change because of major architectural
> work going on on the underlying ICU code.

Are you just assuming this might be the case or are there actual major
architectural changes taking place in the underlying ICU code with the
next release of the library?

> In such a situation, I'd rather they didn't rush.  Apparently Mark
> Munz feels differently, but I don't think we're going to achieve
> anything useful by debating the matter further.

Rushing? Mind you, I'm pretty sure it's not going to be in Leopard --
so we're already looking at Leopard + 1, which means at least 2010,
maybe 2011 before support *might* show up. The issue is *at least* 2
years old. And we're assuming it doesn't get pushed back yet again (as
it has for the last 2 years).

> Right now there isn't an NSRegularExpression, and it looks like
> there's more work necessary before we get one.  So we can use one of
> various third-party frameworks, or directly use one of various third-
> party libraries.

Yes, the same argument can be made for features like Source lists and
Media Browsing. Just because there is a work around doesn't mean there
shouldn't be a solution included in the current Cocoa frameworks.

While there are 3rd party options, they aren't all consistent in their
syntax and options. So any regexp exposed to the end user is subject
to inconsistent behavior from their point of view. Having a common
library supported by the OS helps eliminate that issue.

--
Mark Munz
unmarked software
http://www.unmarked.com/
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  • Follow-Ups:
    • Re: [ANN] RegexKit - An Objective-C Framework for Regular Expressions Using the PCRE Library
      • From: cocoa-dev-admins <email@hidden>
    • Re: [ANN] RegexKit - An Objective-C Framework for Regular Expressions Using the PCRE Library
      • From: "cocoa-dev-admins > <cocoa-dev-admins"@lists.apple.com
References: 
 >[ANN] RegexKit - An Objective-C Framework for Regular Expressions Using the PCRE Library (From: John Engelhart <email@hidden>)
 >Re: [ANN] RegexKit - An Objective-C Framework for Regular Expressions Using the PCRE Library (From: Shawn Erickson <email@hidden>)
 >Re: [ANN] RegexKit - An Objective-C Framework for Regular Expressions Using the PCRE Library (From: "Mark Munz" <email@hidden>)
 >Re: [ANN] RegexKit - An Objective-C Framework for Regular Expressions Using the PCRE Library (From: Deborah Goldsmith <email@hidden>)
 >Re: [ANN] RegexKit - An Objective-C Framework for Regular Expressions Using the PCRE Library (From: John Stiles <email@hidden>)
 >Re: [ANN] RegexKit - An Objective-C Framework for Regular Expressions Using the PCRE Library (From: Alastair Houghton <email@hidden>)
 >Re: [ANN] RegexKit - An Objective-C Framework for Regular Expressions Using the PCRE Library (From: "Mark Munz" <email@hidden>)
 >Re: [ANN] RegexKit - An Objective-C Framework for Regular Expressions Using the PCRE Library (From: Alastair Houghton <email@hidden>)
 >Re: [ANN] RegexKit - An Objective-C Framework for Regular Expressions Using the PCRE Library (From: John Stiles <email@hidden>)
 >Re: [ANN] RegexKit - An Objective-C Framework for Regular Expressions Using the PCRE Library (From: Alastair Houghton <email@hidden>)

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