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/*
* get_deleted_rev.c : ra_serf get_deleted_rev API implementation.
*
* ====================================================================
* 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 "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"
/*
* This enum represents the current state of our XML parsing for a REPORT.
*/
enum drev_state_e {
INITIAL = XML_STATE_INITIAL,
REPORT,
VERSION_NAME
};
typedef struct drev_context_t {
const char *path;
svn_revnum_t peg_revision;
svn_revnum_t end_revision;
/* What revision was PATH@PEG_REVISION first deleted within
the range PEG_REVISION-END-END_REVISION? */
svn_revnum_t *revision_deleted;
} drev_context_t;
#define D_ "DAV:"
#define S_ SVN_XML_NAMESPACE
static const svn_ra_serf__xml_transition_t getdrev_ttable[] = {
{ INITIAL, S_, "get-deleted-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 *
getdrev_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)
{
drev_context_t *drev_ctx = baton;
apr_int64_t rev;
SVN_ERR_ASSERT(leaving_state == VERSION_NAME);
SVN_ERR_ASSERT(cdata != NULL);
SVN_ERR(svn_cstring_atoi64(&rev, cdata->data));
*drev_ctx->revision_deleted = (svn_revnum_t)rev;
return SVN_NO_ERROR;
}
/* Implements svn_ra_serf__request_body_delegate_t */
static svn_error_t *
create_getdrev_body(serf_bucket_t **body_bkt,
void *baton,
serf_bucket_alloc_t *alloc,
apr_pool_t *pool /* request pool */,
apr_pool_t *scratch_pool)
{
serf_bucket_t *buckets;
drev_context_t *drev_ctx = baton;
buckets = serf_bucket_aggregate_create(alloc);
svn_ra_serf__add_open_tag_buckets(buckets, alloc,
"S:get-deleted-rev-report",
"xmlns:S", SVN_XML_NAMESPACE,
"xmlns:D", "DAV:",
SVN_VA_NULL);
svn_ra_serf__add_tag_buckets(buckets,
"S:path", drev_ctx->path,
alloc);
svn_ra_serf__add_tag_buckets(buckets,
"S:peg-revision",
apr_ltoa(pool, drev_ctx->peg_revision),
alloc);
svn_ra_serf__add_tag_buckets(buckets,
"S:end-revision",
apr_ltoa(pool, drev_ctx->end_revision),
alloc);
svn_ra_serf__add_close_tag_buckets(buckets, alloc,
"S:get-deleted-rev-report");
*body_bkt = buckets;
return SVN_NO_ERROR;
}
svn_error_t *
svn_ra_serf__get_deleted_rev(svn_ra_session_t *session,
const char *path,
svn_revnum_t peg_revision,
svn_revnum_t end_revision,
svn_revnum_t *revision_deleted,
apr_pool_t *pool)
{
drev_context_t *drev_ctx;
svn_ra_serf__session_t *ras = session->priv;
svn_ra_serf__handler_t *handler;
svn_ra_serf__xml_context_t *xmlctx;
const char *req_url;
svn_error_t *err;
drev_ctx = apr_pcalloc(pool, sizeof(*drev_ctx));
drev_ctx->path = path;
drev_ctx->peg_revision = peg_revision;
drev_ctx->end_revision = end_revision;
drev_ctx->revision_deleted = revision_deleted;
SVN_ERR(svn_ra_serf__get_stable_url(&req_url, NULL /* latest_revnum */,
ras, NULL /* url */, peg_revision,
pool, pool));
xmlctx = svn_ra_serf__xml_context_create(getdrev_ttable,
NULL, getdrev_closed, NULL,
drev_ctx,
pool);
handler = svn_ra_serf__create_expat_handler(ras, xmlctx, NULL, pool);
handler->method = "REPORT";
handler->path = req_url;
handler->body_type = "text/xml";
handler->body_delegate = create_getdrev_body;
handler->body_delegate_baton = drev_ctx;
err = svn_ra_serf__context_run_one(handler, pool);
/* Map status 501: Method Not Implemented to our not implemented error.
1.5.x servers and older don't support this report. */
if (handler->sline.code == 501)
return svn_error_createf(SVN_ERR_RA_NOT_IMPLEMENTED, err,
_("'%s' REPORT not implemented"),
"get-deleted-rev");
SVN_ERR(err);
return SVN_NO_ERROR;
}
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