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src/subversion/subversion/libsvn_ra_serf/options.c  view on Meta::CPAN

                    apr_pool_t *pool)
{
  serf_bucket_t *body;
  body = serf_bucket_aggregate_create(alloc);
  svn_ra_serf__add_xml_header_buckets(body, alloc);
  svn_ra_serf__add_open_tag_buckets(body, alloc, "D:options",
                                    "xmlns:D", "DAV:",
                                    NULL);
  svn_ra_serf__add_tag_buckets(body, "D:activity-collection-set", NULL, alloc);
  svn_ra_serf__add_close_tag_buckets(body, alloc, "D:options");

  *body_bkt = body;
  return SVN_NO_ERROR;
}


/* We use these static pointers so we can employ pointer comparison
 * of our capabilities hash members instead of strcmp()ing all over
 * the place.
 */
/* Both server and repository support the capability. */
static const char *const capability_yes = "yes";
/* Either server or repository does not support the capability. */
static const char *const capability_no = "no";
/* Server supports the capability, but don't yet know if repository does. */
static const char *const capability_server_yes = "server-yes";


/* This implements serf_bucket_headers_do_callback_fn_t.
 */
static int
capabilities_headers_iterator_callback(void *baton,
                                       const char *key,
                                       const char *val)
{
  options_context_t *opt_ctx = baton;
  svn_ra_serf__session_t *session = opt_ctx->session;

  if (svn_cstring_casecmp(key, "dav") == 0)
    {
      /* Each header may contain multiple values, separated by commas, e.g.:
           DAV: version-control,checkout,working-resource
           DAV: merge,baseline,activity,version-controlled-collection
           DAV: http://subversion.tigris.org/xmlns/dav/svn/depth */
      apr_array_header_t *vals = svn_cstring_split(val, ",", TRUE,
                                                   opt_ctx->pool);

      /* Right now we only have a few capabilities to detect, so just
         seek for them directly.  This could be written slightly more
         efficiently, but that wouldn't be worth it until we have many
         more capabilities. */

      if (svn_cstring_match_list(SVN_DAV_NS_DAV_SVN_DEPTH, vals))
        {
          svn_hash_sets(session->capabilities,
                        SVN_RA_CAPABILITY_DEPTH, capability_yes);
        }
      if (svn_cstring_match_list(SVN_DAV_NS_DAV_SVN_MERGEINFO, vals))
        {
          /* The server doesn't know what repository we're referring
             to, so it can't just say capability_yes. */
          if (!svn_hash_gets(session->capabilities,
                             SVN_RA_CAPABILITY_MERGEINFO))
            {
              svn_hash_sets(session->capabilities, SVN_RA_CAPABILITY_MERGEINFO,
                            capability_server_yes);
            }
        }
      if (svn_cstring_match_list(SVN_DAV_NS_DAV_SVN_LOG_REVPROPS, vals))
        {
          svn_hash_sets(session->capabilities,
                        SVN_RA_CAPABILITY_LOG_REVPROPS, capability_yes);
        }
      if (svn_cstring_match_list(SVN_DAV_NS_DAV_SVN_ATOMIC_REVPROPS, vals))
        {
          svn_hash_sets(session->capabilities,
                        SVN_RA_CAPABILITY_ATOMIC_REVPROPS, capability_yes);
        }
      if (svn_cstring_match_list(SVN_DAV_NS_DAV_SVN_PARTIAL_REPLAY, vals))
        {
          svn_hash_sets(session->capabilities,
                        SVN_RA_CAPABILITY_PARTIAL_REPLAY, capability_yes);
        }
      if (svn_cstring_match_list(SVN_DAV_NS_DAV_SVN_INHERITED_PROPS, vals))
        {
          svn_hash_sets(session->capabilities,
                        SVN_RA_CAPABILITY_INHERITED_PROPS, capability_yes);
        }
      if (svn_cstring_match_list(SVN_DAV_NS_DAV_SVN_REVERSE_FILE_REVS,
                                 vals))
        {
          svn_hash_sets(session->capabilities,
                        SVN_RA_CAPABILITY_GET_FILE_REVS_REVERSE,
                        capability_yes);
        }
      if (svn_cstring_match_list(SVN_DAV_NS_DAV_SVN_EPHEMERAL_TXNPROPS, vals))
        {
          svn_hash_sets(session->capabilities,
                        SVN_RA_CAPABILITY_EPHEMERAL_TXNPROPS, capability_yes);
        }
      if (svn_cstring_match_list(SVN_DAV_NS_DAV_SVN_INLINE_PROPS, vals))
        {
          session->supports_inline_props = TRUE;
        }
      if (svn_cstring_match_list(SVN_DAV_NS_DAV_SVN_REPLAY_REV_RESOURCE, vals))
        {
          session->supports_rev_rsrc_replay = TRUE;
        }
    }

  /* SVN-specific headers -- if present, server supports HTTP protocol v2 */
  else if (strncmp(key, "SVN", 3) == 0)
    {
      /* If we've not yet seen any information about supported POST
         requests, we'll initialize the list/hash with "create-txn"
         (which we know is supported by virtue of the server speaking
         HTTPv2 at all. */
      if (! session->supported_posts)
        {
          session->supported_posts = apr_hash_make(session->pool);
          apr_hash_set(session->supported_posts, "create-txn", 10, (void *)1);