[XML-DEV Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] Re: file: URIs and MS Windows
Richard Tobin wrote: > > Henrik Frystyk Nielsen <henrikn@m...> wrote: > > >The specification of file: is somewhat fuzzy - RFC 1738 has been replaced > >with RFC 2396 which does allow the short format you have above (and which is > >the one I like the best - it also works with "file:/c:/foo"). > > Does it? The only reference in 2396 I could find was this: > > The URL host was defined as a fully-qualified domain name. However, > many URLs are used without fully-qualified domain names (in contexts > for which the full qualification is not necessary), without any host > (as in some file URLs), or with a host of "localhost". > > which I take to be saying that "host" in "//host" can be empty, rather > than that the // can be omitted too. The relevant production is: hier_part = ( net_path | abs_path ) [ "?" query ] "/c:/foo" is a abs_path. > There ought to be a separate (short!) RFC for file URLs. Yes. Things are not at all well-defined. There are several issues: - absolute paths on windows can be either drive-based (eg c:\home\foo), or UNC (eg \\server\share\a\b\c) - relative paths on Windows work slightly differently from relative URIs: for example, if the current directory is \\server\share\a\b\c then a filename \x\y\z is interpreted as \\server\share\x\y\z; however, a relative URI /x/y/z relative to a base URI file://server/share/a/b/c/ resolves to file://server/x/y/x which corresponds to the UNC filename \\server\x\y\z. - Windows filenames can contain Unicode characters, but URIs are only ASCII; a file URI handler needs to deal with this by unescaping %s and doing a UTF-8 to UTF-16 conversion. James *************************************************************************** This is xml-dev, the mailing list for XML developers. To unsubscribe, mailto:majordomo@x...&BODY=unsubscribe%20xml-dev List archives are available at http://xml.org/archives/xml-dev/ ***************************************************************************
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