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Re: doc string for dav_svn_parse_uri()

From: Greg Stein <gstein_at_lyra.org>
Date: 2001-11-12 23:17:38 CET

It's why I hate docstrings. They fall out of sync too easily. I'll get it
updated, tho.

You don't want that function. Use dav_svn_simple_parse_uri().

Cheers,
-g

On Mon, Nov 12, 2001 at 12:14:33PM -0600, Karl Fogel wrote:
> Greg, can you fix the documentation for dav_svn_parse_uri()? I'm
> pretty sure it's what I want to use, but the current doc string may
> have been cut-and-pasted from somewhere else.
>
> Questions about the doc string:
>
> * SPECIAL_URI is documented, but is not a parameter.
>
> * LABEL is a parameter, but is not documented.
>
> * The exact format of URI is left a little unclear, at least to a
> non-expert in DAV.
>
> Thanks,
> -K
>
> /*
> * dav_svn_parse_uri: parse the provided URI into its various bits
> *
> * URI will contain a path relative to our configured root URI. It should
> * not have a leading "/". The root is identified by "".
> *
> * SPECIAL_URI is the component of the URI path configured by the
> * SVNSpecialPath directive (defaults to "$svn").
> *
> * On output: *COMB will contain all of the information parsed out of
> * the URI -- the resource type, activity ID, path, etc.
> *
> * Note: this function will only parse the URI. Validation of the pieces,
> * opening data stores, etc, are not part of this function.
> *
> * TRUE is returned if a parsing error occurred. FALSE for success.
> */
> static int dav_svn_parse_uri(dav_resource_combined *comb,
> const char *uri,
> const char *label,
> int use_checked_in)
> {
> const char *special_uri = comb->priv.repos->special_uri;
> apr_size_t len1;
> apr_size_t len2;
> char ch;
>
> len1 = strlen(uri);
> len2 = strlen(special_uri);
> if (len1 > len2
> && ((ch = uri[len2]) == '/' || ch == '\0')
> && memcmp(uri, special_uri, len2) == 0)
> {
> if (ch == '\0')
> {
> /* URI was "/root/$svn". It exists, but has restricted usage. */
> comb->res.type = DAV_RESOURCE_TYPE_PRIVATE;
> comb->priv.restype = DAV_SVN_RESTYPE_ROOT_COLLECTION;
> }
> else
> {
> const struct special_defn *defn;
>
> /* skip past the "$svn/" prefix */
> uri += len2 + 1;
> len1 -= len2 + 1;
>
> for (defn = special_subdirs ; defn->name != NULL; ++defn)
> {
> apr_size_t len3 = strlen(defn->name);
>
> if (len1 >= len3 && memcmp(uri, defn->name, len3) == 0)
> {
> if (uri[len3] == '\0')
> {
> /* URI was "/root/$svn/XXX". The location exists, but
> has restricted usage. */
> comb->res.type = DAV_RESOURCE_TYPE_PRIVATE;
>
> /* store the resource type so that we can PROPFIND
> on this collection. */
> comb->priv.restype = defn->restype;
> }
> else if (uri[len3] == '/')
> {
> if ((*defn->parse)(comb, uri + len3 + 1, label,
> use_checked_in))
> return TRUE;
> }
> else
> {
> /* e.g. "/root/$svn/activity" (we just know "act") */
> return TRUE;
> }
>
> break;
> }
> }
>
> /* if completed the loop, then it is an unrecognized subdir */
> if (defn->name == NULL)
> return TRUE;
> }
> }
> else
> {
> /* Anything under the root, but not under "$svn". These are all
> version-controlled resources. */
> comb->res.type = DAV_RESOURCE_TYPE_REGULAR;
>
> /* The location of these resources corresponds directly to the URI,
> and we keep the leading "/". */
> comb->priv.repos_path = comb->priv.uri_path->data;
> }
>
> return FALSE;
> }
>
>
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-- 
Greg Stein, http://www.lyra.org/
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Received on Sat Oct 21 14:36:48 2006

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