diff options
Diffstat (limited to 'subversion/libsvn_ra_serf/getdate.c')
| -rw-r--r-- | subversion/libsvn_ra_serf/getdate.c | 161 |
1 files changed, 161 insertions, 0 deletions
diff --git a/subversion/libsvn_ra_serf/getdate.c b/subversion/libsvn_ra_serf/getdate.c new file mode 100644 index 0000000000000..867e86fbd501c --- /dev/null +++ b/subversion/libsvn_ra_serf/getdate.c @@ -0,0 +1,161 @@ +/* + * getdate.c : entry point for get_dated_revision for ra_serf + * + * ==================================================================== + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * 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_pools.h" +#include "svn_ra.h" +#include "svn_time.h" +#include "svn_xml.h" + +#include "private/svn_dav_protocol.h" + +#include "svn_private_config.h" + +#include "../libsvn_ra/ra_loader.h" + +#include "ra_serf.h" + + +/* + * This enum represents the current state of our XML parsing for a REPORT. + */ +enum date_state_e { + INITIAL = 0, + REPORT, + VERSION_NAME +}; + + +typedef struct date_context_t { + /* The time asked about. */ + apr_time_t time; + + /* What was the youngest revision at that time? */ + svn_revnum_t *revision; + +} date_context_t; + +#define D_ "DAV:" +#define S_ SVN_XML_NAMESPACE +static const svn_ra_serf__xml_transition_t date_ttable[] = { + { INITIAL, S_, "dated-rev-report", REPORT, + FALSE, { NULL }, FALSE }, + + { REPORT, D_, SVN_DAV__VERSION_NAME, VERSION_NAME, + TRUE, { NULL }, TRUE }, + + { 0 } +}; + + +/* Conforms to svn_ra_serf__xml_closed_t */ +static svn_error_t * +date_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) +{ + date_context_t *date_ctx = baton; + + SVN_ERR_ASSERT(leaving_state == VERSION_NAME); + SVN_ERR_ASSERT(cdata != NULL); + + *date_ctx->revision = SVN_STR_TO_REV(cdata->data); + + return SVN_NO_ERROR; +} + + +/* Implements svn_ra_serf__request_body_delegate_t */ +static svn_error_t * +create_getdate_body(serf_bucket_t **body_bkt, + void *baton, + serf_bucket_alloc_t *alloc, + apr_pool_t *pool) +{ + serf_bucket_t *buckets; + date_context_t *date_ctx = baton; + + buckets = serf_bucket_aggregate_create(alloc); + + svn_ra_serf__add_open_tag_buckets(buckets, alloc, "S:dated-rev-report", + "xmlns:S", SVN_XML_NAMESPACE, + "xmlns:D", "DAV:", + NULL); + + svn_ra_serf__add_tag_buckets(buckets, + "D:" SVN_DAV__CREATIONDATE, + svn_time_to_cstring(date_ctx->time, pool), + alloc); + + svn_ra_serf__add_close_tag_buckets(buckets, alloc, "S:dated-rev-report"); + + *body_bkt = buckets; + return SVN_NO_ERROR; +} + +svn_error_t * +svn_ra_serf__get_dated_revision(svn_ra_session_t *ra_session, + svn_revnum_t *revision, + apr_time_t tm, + apr_pool_t *pool) +{ + date_context_t *date_ctx; + svn_ra_serf__session_t *session = ra_session->priv; + svn_ra_serf__handler_t *handler; + svn_ra_serf__xml_context_t *xmlctx; + const char *report_target; + + date_ctx = apr_palloc(pool, sizeof(*date_ctx)); + date_ctx->time = tm; + date_ctx->revision = revision; + + SVN_ERR(svn_ra_serf__report_resource(&report_target, session, NULL, pool)); + + xmlctx = svn_ra_serf__xml_context_create(date_ttable, + NULL, date_closed, NULL, + date_ctx, + pool); + handler = svn_ra_serf__create_expat_handler(xmlctx, pool); + + handler->method = "REPORT"; + handler->path = report_target; + handler->body_type = "text/xml"; + handler->conn = session->conns[0]; + handler->session = session; + + handler->body_delegate = create_getdate_body; + handler->body_delegate_baton = date_ctx; + + *date_ctx->revision = SVN_INVALID_REVNUM; + + /* ### use svn_ra_serf__error_on_status() ? */ + + return svn_error_trace(svn_ra_serf__context_run_one(handler, pool)); +} |