Re: [TSVN] Tag/Branch name checking suggestion.

Peter McNab wrote:
> Using TSVN I created a Branch with a meaningful name that happened to
> included a colon
> It was entered into the repository without any noted problems.
>
> However, when I tried to update so as to create the folder locally and
> receive the branch contents I received an error message,
> (exact wording forgotten) to the effect that the proposed folder name
> was illegal.
>
> So I thought it might be worth having a "Windows file system naming
> convention" sanity check built into those dialogs the allow user input
> to hand type stuff before it gets submitted to the repository.
> It might not be necessary to prevent the entry being submitted, a
> warning and backout might be sufficient.

You're suggestion is of course a valid one. But there's a problem:
How can TSVN determine if a path is valid for a repository but not valid
for the windows filesystem? There are so many special cases here that I
don't know where to start.
For example, the following paths are valid on Linux (and therefore in
the Subversion repository) but invalid on windows:
file:name
CON
AUX

but
f:name
would be valid on windows too.

Does anyone know a good API function to test a whole path for validity?
I only know of PathGetCharType(), but that would allow ":" chars too as
valid path chars (e.g. for C:\), and obviously that char isn't allowed
inside a filename...

Stefan

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