/* * mergeinfo.c : entry point for mergeinfo RA functions 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 #include #include "svn_hash.h" #include "svn_mergeinfo.h" #include "svn_path.h" #include "svn_ra.h" #include "svn_string.h" #include "svn_xml.h" #include "private/svn_dav_protocol.h" #include "../libsvn_ra/ra_loader.h" #include "svn_private_config.h" #include "ra_serf.h" /* The current state of our XML parsing. */ typedef enum mergeinfo_state_e { INITIAL = 0, MERGEINFO_REPORT, MERGEINFO_ITEM, MERGEINFO_PATH, MERGEINFO_INFO } mergeinfo_state_e; /* Baton for accumulating mergeinfo. RESULT_CATALOG stores the final mergeinfo catalog result we are going to hand back to the caller of get_mergeinfo. */ typedef struct mergeinfo_context_t { apr_pool_t *pool; svn_mergeinfo_t result_catalog; const apr_array_header_t *paths; svn_revnum_t revision; svn_mergeinfo_inheritance_t inherit; svn_boolean_t include_descendants; } mergeinfo_context_t; #define D_ "DAV:" #define S_ SVN_XML_NAMESPACE static const svn_ra_serf__xml_transition_t mergeinfo_ttable[] = { { INITIAL, S_, SVN_DAV__MERGEINFO_REPORT, MERGEINFO_REPORT, FALSE, { NULL }, FALSE }, { MERGEINFO_REPORT, S_, SVN_DAV__MERGEINFO_ITEM, MERGEINFO_ITEM, FALSE, { NULL }, TRUE }, { MERGEINFO_ITEM, S_, SVN_DAV__MERGEINFO_PATH, MERGEINFO_PATH, TRUE, { NULL }, TRUE }, { MERGEINFO_ITEM, S_, SVN_DAV__MERGEINFO_INFO, MERGEINFO_INFO, TRUE, { NULL }, TRUE }, { 0 } }; /* Conforms to svn_ra_serf__xml_closed_t */ static svn_error_t * mergeinfo_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) { mergeinfo_context_t *mergeinfo_ctx = baton; if (leaving_state == MERGEINFO_ITEM) { /* Placed here from the child elements. */ const char *path = svn_hash_gets(attrs, "path"); const char *info = svn_hash_gets(attrs, "info"); if (path != NULL && info != NULL) { svn_mergeinfo_t path_mergeinfo; /* Correct for naughty servers that send "relative" paths with leading slashes! */ if (path[0] == '/') ++path; SVN_ERR(svn_mergeinfo_parse(&path_mergeinfo, info, mergeinfo_ctx->pool)); svn_hash_sets(mergeinfo_ctx->result_catalog, apr_pstrdup(mergeinfo_ctx->pool, path), path_mergeinfo); } } else { SVN_ERR_ASSERT(leaving_state == MERGEINFO_PATH || leaving_state == MERGEINFO_INFO); /* Stash the value onto the parent MERGEINFO_ITEM. */ svn_ra_serf__xml_note(xes, MERGEINFO_ITEM, leaving_state == MERGEINFO_PATH ? "path" : "info", cdata->data); } return SVN_NO_ERROR; } static svn_error_t * create_mergeinfo_body(serf_bucket_t **bkt, void *baton, serf_bucket_alloc_t *alloc, apr_pool_t *pool) { mergeinfo_context_t *mergeinfo_ctx = baton; serf_bucket_t *body_bkt; body_bkt = serf_bucket_aggregate_create(alloc); svn_ra_serf__add_open_tag_buckets(body_bkt, alloc, "S:" SVN_DAV__MERGEINFO_REPORT, "xmlns:S", SVN_XML_NAMESPACE, NULL); svn_ra_serf__add_tag_buckets(body_bkt, "S:" SVN_DAV__REVISION, apr_ltoa(pool, mergeinfo_ctx->revision), alloc); svn_ra_serf__add_tag_buckets(body_bkt, "S:" SVN_DAV__INHERIT, svn_inheritance_to_word(mergeinfo_ctx->inherit), alloc); if (mergeinfo_ctx->include_descendants) { svn_ra_serf__add_tag_buckets(body_bkt, "S:" SVN_DAV__INCLUDE_DESCENDANTS, "yes", alloc); } if (mergeinfo_ctx->paths) { int i; for (i = 0; i < mergeinfo_ctx->paths->nelts; i++) { const char *this_path = APR_ARRAY_IDX(mergeinfo_ctx->paths, i, const char *); svn_ra_serf__add_tag_buckets(body_bkt, "S:" SVN_DAV__PATH, this_path, alloc); } } svn_ra_serf__add_close_tag_buckets(body_bkt, alloc, "S:" SVN_DAV__MERGEINFO_REPORT); *bkt = body_bkt; return SVN_NO_ERROR; } svn_error_t * svn_ra_serf__get_mergeinfo(svn_ra_session_t *ra_session, svn_mergeinfo_catalog_t *catalog, const apr_array_header_t *paths, svn_revnum_t revision, svn_mergeinfo_inheritance_t inherit, svn_boolean_t include_descendants, apr_pool_t *pool) { svn_error_t *err; mergeinfo_context_t *mergeinfo_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 *path; *catalog = NULL; SVN_ERR(svn_ra_serf__get_stable_url(&path, NULL /* latest_revnum */, session, NULL /* conn */, NULL /* url */, revision, pool, pool)); mergeinfo_ctx = apr_pcalloc(pool, sizeof(*mergeinfo_ctx)); mergeinfo_ctx->pool = pool; mergeinfo_ctx->result_catalog = apr_hash_make(pool); mergeinfo_ctx->paths = paths; mergeinfo_ctx->revision = revision; mergeinfo_ctx->inherit = inherit; mergeinfo_ctx->include_descendants = include_descendants; xmlctx = svn_ra_serf__xml_context_create(mergeinfo_ttable, NULL, mergeinfo_closed, NULL, mergeinfo_ctx, pool); handler = svn_ra_serf__create_expat_handler(xmlctx, pool); handler->method = "REPORT"; handler->path = path; handler->conn = session->conns[0]; handler->session = session; handler->body_delegate = create_mergeinfo_body; handler->body_delegate_baton = mergeinfo_ctx; handler->body_type = "text/xml"; err = svn_ra_serf__context_run_one(handler, pool); SVN_ERR(svn_error_compose_create( svn_ra_serf__error_on_status(handler->sline, handler->path, handler->location), err)); if (handler->done && apr_hash_count(mergeinfo_ctx->result_catalog)) *catalog = mergeinfo_ctx->result_catalog; return SVN_NO_ERROR; }