#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 "svn_config.h"
#include "svn_delta.h"
#include "svn_version.h"
#include "svn_path.h"
#include "svn_props.h"
#include "private/svn_dav_protocol.h"
#include "svn_private_config.h"
#include "ra_serf.h"
#include "../libsvn_ra/ra_loader.h"
typedef enum {
NONE = 0,
REPORT,
ITEM,
VERSION,
CREATOR,
DATE,
COMMENT,
REVPROP,
HAS_CHILDREN,
ADDED_PATH,
REPLACED_PATH,
DELETED_PATH,
MODIFIED_PATH,
} log_state_e;
typedef struct {
apr_pool_t *pool;
const char *tmp;
apr_size_t tmp_len;
svn_log_changed_path2_t *tmp_path;
svn_log_entry_t *log_entry;
const char *revprop_name;
} log_info_t;
typedef struct {
apr_pool_t *pool;
int limit;
int nest_level;
int count;
svn_boolean_t changed_paths;
svn_boolean_t done;
int status_code;
svn_log_entry_receiver_t receiver;
void *receiver_baton;
svn_boolean_t want_author;
svn_boolean_t want_date;
svn_boolean_t want_message;
} log_context_t;
static log_info_t *
push_state(svn_ra_serf__xml_parser_t *parser,
log_context_t *log_ctx,
log_state_e state)
{
svn_ra_serf__xml_push_state(parser, state);
if (state == ITEM)
{
log_info_t *info;
info = apr_pcalloc(parser->state->pool, sizeof(*info));
info->log_entry = svn_log_entry_create(parser->state->pool);
info->pool = parser->state->pool;
info->log_entry->revision = SVN_INVALID_REVNUM;
parser->state->private = info;
}
if (state == ADDED_PATH || state == REPLACED_PATH ||
state == DELETED_PATH || state == MODIFIED_PATH)
{
log_info_t *info = parser->state->private;
if (!info->log_entry->changed_paths2)
{
info->log_entry->changed_paths2 = apr_hash_make(info->pool);
info->log_entry->changed_paths = info->log_entry->changed_paths;
}
info->tmp_path = svn_log_changed_path2_create(info->pool);
info->tmp_path->copyfrom_rev = SVN_INVALID_REVNUM;
}
if (state == CREATOR || state == DATE || state == COMMENT
|| state == REVPROP)
{
log_info_t *info = parser->state->private;
if (!info->log_entry->revprops)
{
info->log_entry->revprops = apr_hash_make(info->pool);
}
}
return parser->state->private;
}
static svn_error_t *
start_log(svn_ra_serf__xml_parser_t *parser,
void *userData,
svn_ra_serf__dav_props_t name,
const char **attrs)
{
log_context_t *log_ctx = userData;
log_state_e state;
state = parser->state->current_state;
if (state == NONE &&
strcmp(name.name, "log-report") == 0)
{
push_state(parser, log_ctx, REPORT);
}
else if (state == REPORT &&
strcmp(name.name, "log-item") == 0)
{
push_state(parser, log_ctx, ITEM);
}
else if (state == ITEM)
{
log_info_t *info;
if (strcmp(name.name, SVN_DAV__VERSION_NAME) == 0)
{
push_state(parser, log_ctx, VERSION);
}
else if (strcmp(name.name, "creator-displayname") == 0)
{
push_state(parser, log_ctx, CREATOR);
}
else if (strcmp(name.name, "date") == 0)
{
push_state(parser, log_ctx, DATE);
}
else if (strcmp(name.name, "comment") == 0)
{
push_state(parser, log_ctx, COMMENT);
}
else if (strcmp(name.name, "revprop") == 0)
{
info = push_state(parser, log_ctx, REVPROP);
info->revprop_name = svn_xml_get_attr_value("name", attrs);
if (info->revprop_name == NULL)
return svn_error_createf(SVN_ERR_RA_DAV_MALFORMED_DATA, NULL,
_("Missing name attr in revprop element"));
}
else if (strcmp(name.name, "has-children") == 0)
{
push_state(parser, log_ctx, HAS_CHILDREN);
}
else if (strcmp(name.name, "added-path") == 0)
{
const char *copy_path, *copy_rev_str;
info = push_state(parser, log_ctx, ADDED_PATH);
info->tmp_path->action = 'A';
copy_path = svn_xml_get_attr_value("copyfrom-path", attrs);
copy_rev_str = svn_xml_get_attr_value("copyfrom-rev", attrs);
if (copy_path && copy_rev_str)
{
svn_revnum_t copy_rev;
copy_rev = SVN_STR_TO_REV(copy_rev_str);
if (SVN_IS_VALID_REVNUM(copy_rev))
{
info->tmp_path->copyfrom_path = apr_pstrdup(info->pool,
copy_path);
info->tmp_path->copyfrom_rev = copy_rev;
}
}
info->tmp_path->node_kind = svn_node_kind_from_word(
svn_xml_get_attr_value("node-kind", attrs));
}
else if (strcmp(name.name, "replaced-path") == 0)
{
const char *copy_path, *copy_rev_str;
info = push_state(parser, log_ctx, REPLACED_PATH);
info->tmp_path->action = 'R';
copy_path = svn_xml_get_attr_value("copyfrom-path", attrs);
copy_rev_str = svn_xml_get_attr_value("copyfrom-rev", attrs);
if (copy_path && copy_rev_str)
{
svn_revnum_t copy_rev;
copy_rev = SVN_STR_TO_REV(copy_rev_str);
if (SVN_IS_VALID_REVNUM(copy_rev))
{
info->tmp_path->copyfrom_path = apr_pstrdup(info->pool,
copy_path);
info->tmp_path->copyfrom_rev = copy_rev;
}
}
info->tmp_path->node_kind = svn_node_kind_from_word(
svn_xml_get_attr_value("node-kind", attrs));
}
else if (strcmp(name.name, "deleted-path") == 0)
{
info = push_state(parser, log_ctx, DELETED_PATH);
info->tmp_path->action = 'D';
info->tmp_path->node_kind = svn_node_kind_from_word(
svn_xml_get_attr_value("node-kind", attrs));
}
else if (strcmp(name.name, "modified-path") == 0)
{
info = push_state(parser, log_ctx, MODIFIED_PATH);
info->tmp_path->action = 'M';
info->tmp_path->node_kind = svn_node_kind_from_word(
svn_xml_get_attr_value("node-kind", attrs));
}
}
return SVN_NO_ERROR;
}
static svn_error_t *
end_log(svn_ra_serf__xml_parser_t *parser,
void *userData,
svn_ra_serf__dav_props_t name)
{
log_context_t *log_ctx = userData;
log_state_e state;
log_info_t *info;
state = parser->state->current_state;
info = parser->state->private;
if (state == REPORT &&
strcmp(name.name, "log-report") == 0)
{
svn_ra_serf__xml_pop_state(parser);
}
else if (state == ITEM &&
strcmp(name.name, "log-item") == 0)
{
if (log_ctx->limit && (log_ctx->nest_level == 0)
&& (++log_ctx->count > log_ctx->limit))
{
return SVN_NO_ERROR;
}
SVN_ERR(log_ctx->receiver(log_ctx->receiver_baton,
info->log_entry,
info->pool));
if (info->log_entry->has_children)
{
log_ctx->nest_level++;
}
if (! SVN_IS_VALID_REVNUM(info->log_entry->revision))
{
SVN_ERR_ASSERT(log_ctx->nest_level);
log_ctx->nest_level--;
}
svn_ra_serf__xml_pop_state(parser);
}
else if (state == VERSION &&
strcmp(name.name, SVN_DAV__VERSION_NAME) == 0)
{
info->log_entry->revision = SVN_STR_TO_REV(info->tmp);
info->tmp_len = 0;
svn_ra_serf__xml_pop_state(parser);
}
else if (state == CREATOR &&
strcmp(name.name, "creator-displayname") == 0)
{
if (log_ctx->want_author)
{
apr_hash_set(info->log_entry->revprops, SVN_PROP_REVISION_AUTHOR,
APR_HASH_KEY_STRING,
svn_string_ncreate(info->tmp, info->tmp_len,
info->pool));
}
info->tmp_len = 0;
svn_ra_serf__xml_pop_state(parser);
}
else if (state == DATE &&
strcmp(name.name, "date") == 0)
{
if (log_ctx->want_date)
{
apr_hash_set(info->log_entry->revprops, SVN_PROP_REVISION_DATE,
APR_HASH_KEY_STRING,
svn_string_ncreate(info->tmp, info->tmp_len,
info->pool));
}
info->tmp_len = 0;
svn_ra_serf__xml_pop_state(parser);
}
else if (state == COMMENT &&
strcmp(name.name, "comment") == 0)
{
if (log_ctx->want_message)
{
apr_hash_set(info->log_entry->revprops, SVN_PROP_REVISION_LOG,
APR_HASH_KEY_STRING,
svn_string_ncreate(info->tmp, info->tmp_len,
info->pool));
}
info->tmp_len = 0;
svn_ra_serf__xml_pop_state(parser);
}
else if (state == REVPROP)
{
apr_hash_set(info->log_entry->revprops, info->revprop_name,
APR_HASH_KEY_STRING,
svn_string_ncreate(info->tmp, info->tmp_len, info->pool));
info->tmp_len = 0;
svn_ra_serf__xml_pop_state(parser);
}
else if (state == HAS_CHILDREN &&
strcmp(name.name, "has-children") == 0)
{
info->log_entry->has_children = TRUE;
svn_ra_serf__xml_pop_state(parser);
}
else if ((state == ADDED_PATH &&
strcmp(name.name, "added-path") == 0) ||
(state == DELETED_PATH &&
strcmp(name.name, "deleted-path") == 0) ||
(state == MODIFIED_PATH &&
strcmp(name.name, "modified-path") == 0) ||
(state == REPLACED_PATH &&
strcmp(name.name, "replaced-path") == 0))
{
char *path;
path = apr_pstrmemdup(info->pool, info->tmp, info->tmp_len);
info->tmp_len = 0;
apr_hash_set(info->log_entry->changed_paths2, path, APR_HASH_KEY_STRING,
info->tmp_path);
svn_ra_serf__xml_pop_state(parser);
}
return SVN_NO_ERROR;
}
static svn_error_t *
cdata_log(svn_ra_serf__xml_parser_t *parser,
void *userData,
const char *data,
apr_size_t len)
{
log_context_t *log_ctx = userData;
log_state_e state;
log_info_t *info;
UNUSED_CTX(log_ctx);
state = parser->state->current_state;
info = parser->state->private;
switch (state)
{
case VERSION:
case CREATOR:
case DATE:
case COMMENT:
case REVPROP:
case ADDED_PATH:
case REPLACED_PATH:
case DELETED_PATH:
case MODIFIED_PATH:
svn_ra_serf__expand_string(&info->tmp, &info->tmp_len,
data, len, parser->state->pool);
break;
default:
break;
}
return SVN_NO_ERROR;
}
svn_error_t *
svn_ra_serf__get_log(svn_ra_session_t *ra_session,
const apr_array_header_t *paths,
svn_revnum_t start,
svn_revnum_t end,
int limit,
svn_boolean_t discover_changed_paths,
svn_boolean_t strict_node_history,
svn_boolean_t include_merged_revisions,
const apr_array_header_t *revprops,
svn_log_entry_receiver_t receiver,
void *receiver_baton,
apr_pool_t *pool)
{
log_context_t *log_ctx;
svn_ra_serf__session_t *session = ra_session->priv;
svn_ra_serf__handler_t *handler;
svn_ra_serf__xml_parser_t *parser_ctx;
serf_bucket_t *buckets;
svn_boolean_t want_custom_revprops;
svn_revnum_t peg_rev;
const char *relative_url, *basecoll_url, *req_url;
svn_error_t *err;
log_ctx = apr_pcalloc(pool, sizeof(*log_ctx));
log_ctx->pool = pool;
log_ctx->receiver = receiver;
log_ctx->receiver_baton = receiver_baton;
log_ctx->limit = limit;
log_ctx->nest_level = 0;
log_ctx->changed_paths = discover_changed_paths;
log_ctx->done = FALSE;
buckets = serf_bucket_aggregate_create(session->bkt_alloc);
svn_ra_serf__add_open_tag_buckets(buckets, session->bkt_alloc,
"S:log-report",
"xmlns:S", SVN_XML_NAMESPACE,
NULL);
svn_ra_serf__add_tag_buckets(buckets,
"S:start-revision", apr_ltoa(pool, start),
session->bkt_alloc);
svn_ra_serf__add_tag_buckets(buckets,
"S:end-revision", apr_ltoa(pool, end),
session->bkt_alloc);
if (limit)
{
svn_ra_serf__add_tag_buckets(buckets,
"S:limit", apr_ltoa(pool, limit),
session->bkt_alloc);
}
if (discover_changed_paths)
{
svn_ra_serf__add_tag_buckets(buckets,
"S:discover-changed-paths", NULL,
session->bkt_alloc);
}
if (strict_node_history)
{
svn_ra_serf__add_tag_buckets(buckets,
"S:strict-node-history", NULL,
session->bkt_alloc);
}
if (include_merged_revisions)
{
svn_ra_serf__add_tag_buckets(buckets,
"S:include-merged-revisions", NULL,
session->bkt_alloc);
}
want_custom_revprops = FALSE;
if (revprops)
{
int i;
for (i = 0; i < revprops->nelts; i++)
{
char *name = APR_ARRAY_IDX(revprops, i, char *);
svn_ra_serf__add_tag_buckets(buckets,
"S:revprop", name,
session->bkt_alloc);
if (strcmp(name, SVN_PROP_REVISION_AUTHOR) == 0)
log_ctx->want_author = TRUE;
else if (strcmp(name, SVN_PROP_REVISION_DATE) == 0)
log_ctx->want_date = TRUE;
else if (strcmp(name, SVN_PROP_REVISION_LOG) == 0)
log_ctx->want_message = TRUE;
else
want_custom_revprops = TRUE;
}
if (revprops->nelts == 0)
{
svn_ra_serf__add_tag_buckets(buckets,
"S:no-revprops", NULL,
session->bkt_alloc);
}
}
else
{
svn_ra_serf__add_tag_buckets(buckets,
"S:all-revprops", NULL,
session->bkt_alloc);
log_ctx->want_author = log_ctx->want_date = log_ctx->want_message = TRUE;
want_custom_revprops = TRUE;
}
if (want_custom_revprops)
{
svn_boolean_t has_log_revprops;
SVN_ERR(svn_ra_serf__has_capability(ra_session, &has_log_revprops,
SVN_RA_CAPABILITY_LOG_REVPROPS, pool));
if (!has_log_revprops)
return svn_error_create(SVN_ERR_RA_NOT_IMPLEMENTED, NULL,
_("Server does not support custom revprops"
" via log"));
}
if (paths)
{
int i;
for (i = 0; i < paths->nelts; i++)
{
svn_ra_serf__add_tag_buckets(buckets,
"S:path", APR_ARRAY_IDX(paths, i,
const char*),
session->bkt_alloc);
}
}
svn_ra_serf__add_close_tag_buckets(buckets, session->bkt_alloc,
"S:log-report");
peg_rev = (start > end) ? start : end;
SVN_ERR(svn_ra_serf__get_baseline_info(&basecoll_url, &relative_url,
session, NULL, peg_rev, NULL,
pool));
req_url = svn_path_url_add_component(basecoll_url, relative_url, pool);
handler = apr_pcalloc(pool, sizeof(*handler));
handler->method = "REPORT";
handler->path = req_url;
handler->body_buckets = buckets;
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 = log_ctx;
parser_ctx->start = start_log;
parser_ctx->end = end_log;
parser_ctx->cdata = cdata_log;
parser_ctx->done = &log_ctx->done;
parser_ctx->status_code = &log_ctx->status_code;
handler->response_handler = svn_ra_serf__handle_xml_parser;
handler->response_baton = parser_ctx;
svn_ra_serf__request_create(handler);
err = svn_ra_serf__context_run_wait(&log_ctx->done, session, pool);
if (parser_ctx->error)
{
svn_error_clear(err);
SVN_ERR(parser_ctx->error);
}
return err;
}