Em Mon, 07 Mar 2011 01:15:47 -0000, Stas Malyshev <smalys...@sugarcrm.com>
escreveu:
PHP file streams provide very powerful and useful abstraction layer over
the I/O-related functions. However, there's a group of functions which
are excluded from this support - namely, touch(), chmod(), chown() and
chgrp() - i.e., functions dealing with file metadata. This lead to
libraries implementing FS virtualization developing various hacks, such
as here:
https://code.google.com/p/bovigo/wiki/vfsStreamDocsFilemode
I propose to plug this hole in the stream implementation by adding a
handler to deal with metadata to stream handlers, such as:
int (*stream_set_metadata)(php_stream_wrapper *wrapper, char *url, int
metatype, void *metadata TSRMLS_DC);
metadata types can be:
- access/modification time with touch() semantics or without it
- permissions information
- owner information by name or number
- group information by name or number
Of course, there are streams where it doesn't make sense, but there are
many application of streams (such as virtualizing real filesystems,
mocks, etc.) where this would help a lot with using streams
transparently inside applications.
Any comments?
It's a good idea.
But what about getting the metadata (as opposed to setting it)? I
understand reading most of this stuff is already covered by the stat
handler, but what about for example NTFS/POSIX ACLs or reading reparse
point data? It would be nice to have a way to retrieve them. One might as
well add two handlers.
--
Gustavo Lopes
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