#include <apr_uri.h>
#include <expat.h>
#include <serf.h>
#include "svn_pools.h"
#include "svn_ra.h"
#include "svn_dav.h"
#include "svn_xml.h"
#include "../libsvn_ra/ra_loader.h"
#include "svn_config.h"
#include "svn_delta.h"
#include "svn_version.h"
#include "svn_path.h"
#include "svn_time.h"
#include "private/svn_dav_protocol.h"
#include "svn_private_config.h"
#include "ra_serf.h"
typedef enum {
NONE = 0,
VERSION_NAME,
} date_state_e;
typedef struct {
const char *tmp;
apr_size_t tmp_len;
} date_info_t;
typedef struct {
apr_pool_t *pool;
apr_time_t time;
svn_revnum_t *revision;
svn_boolean_t done;
} date_context_t;
static date_info_t *
push_state(svn_ra_serf__xml_parser_t *parser,
date_context_t *date_ctx,
date_state_e state)
{
svn_ra_serf__xml_push_state(parser, state);
if (state == VERSION_NAME)
{
date_info_t *info;
info = apr_pcalloc(parser->state->pool, sizeof(*info));
parser->state->private = info;
}
return parser->state->private;
}
static svn_error_t *
start_getdate(svn_ra_serf__xml_parser_t *parser,
void *userData,
svn_ra_serf__dav_props_t name,
const char **attrs)
{
date_context_t *date_ctx = userData;
date_state_e state;
state = parser->state->current_state;
if (state == NONE &&
strcmp(name.name, SVN_DAV__VERSION_NAME) == 0)
{
push_state(parser, date_ctx, VERSION_NAME);
}
return SVN_NO_ERROR;
}
static svn_error_t *
end_getdate(svn_ra_serf__xml_parser_t *parser,
void *userData,
svn_ra_serf__dav_props_t name)
{
date_context_t *date_ctx = userData;
date_state_e state;
date_info_t *info;
state = parser->state->current_state;
info = parser->state->private;
if (state == VERSION_NAME &&
strcmp(name.name, SVN_DAV__VERSION_NAME) == 0)
{
*date_ctx->revision = SVN_STR_TO_REV(info->tmp);
svn_ra_serf__xml_pop_state(parser);
}
return SVN_NO_ERROR;
}
static svn_error_t *
cdata_getdate(svn_ra_serf__xml_parser_t *parser,
void *userData,
const char *data,
apr_size_t len)
{
date_context_t *date_ctx = userData;
date_state_e state;
date_info_t *info;
UNUSED_CTX(date_ctx);
state = parser->state->current_state;
info = parser->state->private;
switch (state)
{
case VERSION_NAME:
svn_ra_serf__expand_string(&info->tmp, &info->tmp_len,
data, len, parser->state->pool);
break;
default:
break;
}
return SVN_NO_ERROR;
}
static serf_bucket_t*
create_getdate_body(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");
return buckets;
}
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_parser_t *parser_ctx;
const char *vcc_url;
int status_code;
date_ctx = apr_pcalloc(pool, sizeof(*date_ctx));
date_ctx->pool = pool;
date_ctx->time = tm;
date_ctx->revision = revision;
date_ctx->done = FALSE;
SVN_ERR(svn_ra_serf__discover_root(&vcc_url, NULL,
session, session->conns[0],
session->repos_url.path, pool));
handler = apr_pcalloc(pool, sizeof(*handler));
handler->method = "REPORT";
handler->path = vcc_url;
handler->body_type = "text/xml";
handler->conn = session->conns[0];
handler->session = session;
parser_ctx = apr_pcalloc(pool, sizeof(*parser_ctx));
parser_ctx->pool = pool;
parser_ctx->user_data = date_ctx;
parser_ctx->start = start_getdate;
parser_ctx->end = end_getdate;
parser_ctx->cdata = cdata_getdate;
parser_ctx->done = &date_ctx->done;
parser_ctx->status_code = &status_code;
handler->body_delegate = create_getdate_body;
handler->body_delegate_baton = date_ctx;
handler->response_handler = svn_ra_serf__handle_xml_parser;
handler->response_baton = parser_ctx;
svn_ra_serf__request_create(handler);
*date_ctx->revision = SVN_INVALID_REVNUM;
return svn_ra_serf__context_run_wait(&date_ctx->done, session, pool);
}