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

 *    KIND, either express or implied.  See the License for the
 *    specific language governing permissions and limitations
 *    under the License.
 * ====================================================================
 */



#include <apr_uri.h>
#include <serf.h>

#include "svn_hash.h"
#include "svn_pools.h"
#include "svn_ra.h"
#include "svn_xml.h"
#include "svn_path.h"
#include "svn_private_config.h"
#include "../libsvn_ra/ra_loader.h"

#include "ra_serf.h"



typedef struct gls_context_t {
  /* parameters set by our caller */
  svn_revnum_t peg_revision;
  svn_revnum_t start_rev;
  svn_revnum_t end_rev;
  const char *path;

  /* location segment callback function/baton */
  svn_location_segment_receiver_t receiver;
  void *receiver_baton;

} gls_context_t;

enum {
  INITIAL = 0,
  REPORT,
  SEGMENT
};

#define D_ "DAV:"
#define S_ SVN_XML_NAMESPACE
static const svn_ra_serf__xml_transition_t gls_ttable[] = {
  { INITIAL, S_, "get-location-segments-report", REPORT,
    FALSE, { NULL }, FALSE },

  { REPORT, S_, "location-segment", SEGMENT,
    FALSE, { "?path", "range-start", "range-end", NULL }, TRUE },

  { 0 }
};


/* Conforms to svn_ra_serf__xml_closed_t  */
static svn_error_t *
gls_closed(svn_ra_serf__xml_estate_t *xes,
           void *baton,
           int leaving_state,
           const svn_string_t *cdata,
           apr_hash_t *attrs,
           apr_pool_t *scratch_pool)
{
  gls_context_t *gls_ctx = baton;
  const char *path;
  const char *start_str;
  const char *end_str;
  svn_location_segment_t segment;

  SVN_ERR_ASSERT(leaving_state == SEGMENT);

  path = svn_hash_gets(attrs, "path");
  start_str = svn_hash_gets(attrs, "range-start");
  end_str = svn_hash_gets(attrs, "range-end");

  /* The transition table said these must exist.  */
  SVN_ERR_ASSERT(start_str && end_str);

  segment.path = path;  /* may be NULL  */
  segment.range_start = SVN_STR_TO_REV(start_str);
  segment.range_end = SVN_STR_TO_REV(end_str);
  SVN_ERR(gls_ctx->receiver(&segment, gls_ctx->receiver_baton, scratch_pool));

  return SVN_NO_ERROR;
}


/* Implements svn_ra_serf__request_body_delegate_t */
static svn_error_t *
create_gls_body(serf_bucket_t **body_bkt,
                void *baton,
                serf_bucket_alloc_t *alloc,
                apr_pool_t *pool)
{
  serf_bucket_t *buckets;
  gls_context_t *gls_ctx = baton;

  buckets = serf_bucket_aggregate_create(alloc);

  svn_ra_serf__add_open_tag_buckets(buckets, alloc,
                                    "S:get-location-segments",
                                    "xmlns:S", SVN_XML_NAMESPACE,
                                    NULL);

  svn_ra_serf__add_tag_buckets(buckets,
                               "S:path", gls_ctx->path,
                               alloc);

  svn_ra_serf__add_tag_buckets(buckets,
                               "S:peg-revision",
                               apr_ltoa(pool, gls_ctx->peg_revision),
                               alloc);

  svn_ra_serf__add_tag_buckets(buckets,
                               "S:start-revision",
                               apr_ltoa(pool, gls_ctx->start_rev),
                               alloc);

  svn_ra_serf__add_tag_buckets(buckets,
                               "S:end-revision",