8000 [RFC][Routing] fix or trick ? by vicb · Pull Request #3651 · symfony/symfony · GitHub
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[RFC][Routing] fix or trick ? #3651

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[RFC][Routing] fix or trick ? #3651

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vicb
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@vicb vicb commented Mar 20, 2012

With this PR

/foo-{bar}-{baz} matches /foo-b/ar-b-az

I thought I was a great idea when I wrote it, I am not sure any more:

  • matching b/ar is a BC break, it should probably not be included in 2.0. However I think this is the expected behavior (but it also suffers from the problem? mentioned below)
  • matching b-az is a new feature (could it be considered as a BC break as such ?)

One issue I can see with matching b-az is that it would hide a /foo-{bar}-{baz}-{buz} route declared afterwards. However a it would a masked a /foo-{bar}-{baz}_{buz} even with the current code. So one "benefit" here is to be consistent.

@stof
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stof commented Mar 20, 2012

I don't think matching b-az by default is a good idea as it is a BC rbeak and can lead to WTF. It is already possible to allow matching it by forcing the requirement instead of relying on the guessed one.

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vicb commented Mar 21, 2012

I was a bit unclear yesterday and forgot to add some details

This PR was first created to solve two "bugs" in the routing:

First bug:

  • the route /foo-{a}-{b}-{c}
  • would generate this regexp: '#^/misc\\-(?P<a>[^/\\-]+?)\\-(?P<b>[^\\-]+?)\\-(?P<c>[^\\-]+?)$#xs'
    *bug: the regexp for {a} should not disallow /

Second bug:

  • if a route pattern has a{var}b
  • a, b are considered as separators and the regexp will be ...a(?P<var>[^ab]+?)b...
  • "a" should not be disallowed in the regexp

Other:

In the first example the c does not include "-" because of the the second bug but it allows "/" which is think is yet an other bug.

So I think we should be clear on how the Routing should work and update accordingly.

@Seldaek
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Seldaek commented Mar 21, 2012

Yup I think having a clear spec and tests backing that would be great, right now it's a bit fuzzy what happens when you don't use simple /{foo}/{bar} patterns. The changes look good other than that, from your description at least.

@denderello
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+1 for the clear specs and tests.

However if this solves several issues at once and breaks BC it should not be included in 2.0.

@vicb vicb mentioned this pull request Mar 21, 2012
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vicb commented Mar 22, 2012

Closed in favor of PR #3678 targeting 2.1

@vicb vicb closed this Mar 22, 2012
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