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* ra_dav.h : private declarations for the RA/DAV module
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* ====================================================================
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* Copyright (c) 2000-2004 CollabNet. All rights reserved.
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* This software is licensed as described in the file COPYING, which
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* you should have received as part of this distribution. The terms
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* are also available at http://subversion.tigris.org/license-1.html.
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* If newer versions of this license are posted there, you may use a
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* newer version instead, at your option.
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* This software consists of voluntary contributions made by many
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* individuals. For exact contribution history, see the revision
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* history and logs, available at http://subversion.tigris.org/.
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* ====================================================================
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#ifndef SVN_LIBSVN_RA_DAV_H
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#define SVN_LIBSVN_RA_DAV_H
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#include <apr_pools.h>
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#include <apr_tables.h>
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#include <ne_request.h>
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#include <ne_207.h> /* for NE_ELM_207_UNUSED */
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#include <ne_props.h> /* for ne_propname */
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#include "svn_types.h"
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#include "svn_string.h"
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#include "svn_delta.h"
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#endif /* __cplusplus */
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/* Rename these types and constants to abstract from Neon */
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#define SVN_RA_DAV__XML_VALID (0)
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#define SVN_RA_DAV__XML_INVALID (-1)
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#define SVN_RA_DAV__XML_DECLINE (-2)
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#define SVN_RA_DAV__XML_CDATA (1<<1)
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#define SVN_RA_DAV__XML_COLLECT ((1<<2) | SVN_RA_DAV__XML_CDATA)
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typedef int svn_ra_dav__xml_elmid;
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/** XML tag id to be passed to a handler. */
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svn_ra_dav__xml_elmid id;
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/** Processing flags for this namespace:tag.
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* 0 (zero) - regular element, may have children,
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* SVN_RA_DAV__XML_CDATA - child-less element,
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* SVN_RA_DAV__XML_COLLECT - complete contents of such element must be
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* collected as CDATA, includes *_CDATA flag. */
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} svn_ra_dav__xml_elm_t;
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/** (Neon 0.23) Callback to validate a new child element.
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* @a parent and @a child are element ids found in the array of
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* elements, @a userdata is a user baton. Returns:
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* SVN_RA_DAV__XML_VALID - this is a valid element processed by this
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* SVN_RA_DAV__XML_INVALID - this is not a valid element, parsing should
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* SVN_RA_DAV__XML_DECLINE - this handler doesn't know about this element,
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* someone else may handle it.
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* (See @a shim_xml_push_handler in util.c for more information.) */
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typedef int svn_ra_dav__xml_validate_cb(void *userdata,
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svn_ra_dav__xml_elmid parent,
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svn_ra_dav__xml_elmid child);
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/** (Neon 0.23) Callback to start parsing a new child element.
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* @a userdata is a user baton. @elm is a member of elements array,
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* and @a atts is an array of name-value XML attributes.
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* See @c svn_ra_dav__xml_validate_cb for return values.
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* (See @a shim_xml_push_handler in util.c for more information.) */
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typedef int svn_ra_dav__xml_startelm_cb(void *userdata,
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const svn_ra_dav__xml_elm_t *elm,
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/** (Neon 0.23) Callback to finish parsing a child element.
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* Callback for @c svn_ra_dav__xml_push_handler. @a userdata is a user
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* baton. @elm is a member of elements array, and @a cdata is the contents
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* See @c svn_ra_dav__xml_validate_cb for return values.
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* (See @a shim_xml_push_handler in util.c for more information.) */
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typedef int svn_ra_dav__xml_endelm_cb(void *userdata,
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const svn_ra_dav__xml_elm_t *elm,
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/* Context for neon request hooks; shared by the neon callbacks in
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struct lock_request_baton
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/* The method neon is about to execute. */
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/* The current working revision of item being locked. */
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svn_revnum_t current_rev;
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/* Whether client is "forcing" a lock or unlock. */
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/* The creation-date returned for newly created lock. */
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apr_time_t creation_date;
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/* The person who created the lock. */
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const char *lock_owner;
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/* A parser for handling <D:error> responses from mod_dav_svn. */
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ne_xml_parser *error_parser;
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/* If <D:error> is returned, here's where the parsed result goes. */
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/* A place for allocating fields in this structure. */
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const char *url; /* original, unparsed session url */
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ne_uri root; /* parsed version of above */
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const char *repos_root; /* URL for repository root */
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ne_session *sess; /* HTTP session to server */
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const svn_ra_callbacks_t *callbacks; /* callbacks to get auth data */
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void *callback_baton;
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svn_auth_iterstate_t *auth_iterstate; /* state of authentication retries */
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const char *auth_username; /* last authenticated username used */
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svn_boolean_t compression; /* should we use http compression? */
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const char *uuid; /* repository UUID */
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struct lock_request_baton *lrb; /* used by lock/unlock */
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} svn_ra_dav__session_t;
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/* Id used with ne_set_session_private() and ne_get_session_private()
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to retrieve the userdata (which is currently the RA session baton!) */
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#define SVN_RA_NE_SESSION_ID "SVN"
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#define DEBUG_CR "\n"
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/** vtable function prototypes */
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svn_error_t *svn_ra_dav__get_latest_revnum(svn_ra_session_t *session,
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svn_revnum_t *latest_revnum,
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svn_error_t *svn_ra_dav__get_dated_revision (svn_ra_session_t *session,
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svn_revnum_t *revision,
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apr_time_t timestamp,
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svn_error_t *svn_ra_dav__change_rev_prop (svn_ra_session_t *session,
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const svn_string_t *value,
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svn_error_t *svn_ra_dav__rev_proplist (svn_ra_session_t *session,
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svn_error_t *svn_ra_dav__rev_prop (svn_ra_session_t *session,
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svn_string_t **value,
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svn_error_t * svn_ra_dav__get_commit_editor(
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svn_ra_session_t *session,
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const svn_delta_editor_t **editor,
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svn_commit_callback_t callback,
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void *callback_baton,
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apr_hash_t *lock_tokens,
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svn_boolean_t keep_locks,
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svn_error_t * svn_ra_dav__get_file(
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svn_ra_session_t *session,
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svn_revnum_t revision,
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svn_stream_t *stream,
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svn_revnum_t *fetched_rev,
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svn_error_t *svn_ra_dav__get_dir(
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svn_ra_session_t *session,
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svn_revnum_t revision,
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apr_hash_t **dirents,
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svn_revnum_t *fetched_rev,
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svn_error_t * svn_ra_dav__abort_commit(
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svn_error_t * svn_ra_dav__do_update(
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svn_ra_session_t *session,
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const svn_ra_reporter2_t **reporter,
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svn_revnum_t revision_to_update_to,
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const char *update_target,
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svn_boolean_t recurse,
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const svn_delta_editor_t *wc_update,
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void *wc_update_baton,
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svn_error_t * svn_ra_dav__do_status(
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svn_ra_session_t *session,
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const svn_ra_reporter2_t **reporter,
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const char *status_target,
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svn_revnum_t revision,
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svn_boolean_t recurse,
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const svn_delta_editor_t *wc_status,
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void *wc_status_baton,
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svn_error_t * svn_ra_dav__do_switch(
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svn_ra_session_t *session,
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const svn_ra_reporter2_t **reporter,
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svn_revnum_t revision_to_update_to,
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const char *update_target,
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svn_boolean_t recurse,
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const char *switch_url,
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const svn_delta_editor_t *wc_update,
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void *wc_update_baton,
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svn_error_t * svn_ra_dav__do_diff(
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svn_ra_session_t *session,
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const svn_ra_reporter2_t **reporter,
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svn_revnum_t revision,
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const char *diff_target,
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svn_boolean_t recurse,
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svn_boolean_t ignore_ancestry,
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const char *versus_url,
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const svn_delta_editor_t *wc_diff,
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svn_error_t * svn_ra_dav__get_log(
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svn_ra_session_t *session,
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const apr_array_header_t *paths,
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svn_boolean_t discover_changed_paths,
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svn_boolean_t strict_node_history,
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svn_log_message_receiver_t receiver,
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void *receiver_baton,
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svn_error_t *svn_ra_dav__do_check_path(
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svn_ra_session_t *session,
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svn_revnum_t revision,
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svn_node_kind_t *kind,
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svn_error_t *svn_ra_dav__do_stat(
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svn_ra_session_t *session,
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svn_revnum_t revision,
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svn_dirent_t **dirent,
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svn_error_t *svn_ra_dav__get_file_revs (svn_ra_session_t *session,
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svn_ra_file_rev_handler_t handler,
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** SVN_RA_DAV__LP_*: local properties for RA/DAV
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** ra_dav stores properties on the client containing information needed
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** to operate against the SVN server. Some of this informations is strictly
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** necessary to store, and some is simply stored as a cached value.
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#define SVN_RA_DAV__LP_NAMESPACE SVN_PROP_WC_PREFIX "ra_dav:"
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/* store the URL where Activities can be created */
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/* ### should fix the name to be "activity-coll" at some point */
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#define SVN_RA_DAV__LP_ACTIVITY_COLL SVN_RA_DAV__LP_NAMESPACE "activity-url"
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/* store the URL of the version resource (from the DAV:checked-in property) */
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#define SVN_RA_DAV__LP_VSN_URL SVN_RA_DAV__LP_NAMESPACE "version-url"
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** SVN_RA_DAV__PROP_*: properties that we fetch from the server
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** These are simply symbolic names for some standard properties that we fetch.
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#define SVN_RA_DAV__PROP_BASELINE_COLLECTION "DAV:baseline-collection"
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#define SVN_RA_DAV__PROP_CHECKED_IN "DAV:checked-in"
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#define SVN_RA_DAV__PROP_VCC "DAV:version-controlled-configuration"
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#define SVN_RA_DAV__PROP_VERSION_NAME "DAV:version-name"
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#define SVN_RA_DAV__PROP_CREATIONDATE "DAV:creationdate"
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#define SVN_RA_DAV__PROP_CREATOR_DISPLAYNAME "DAV:creator-displayname"
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#define SVN_RA_DAV__PROP_GETCONTENTLENGTH "DAV:getcontentlength"
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#define SVN_RA_DAV__PROP_BASELINE_RELPATH \
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SVN_DAV_PROP_NS_DAV "baseline-relative-path"
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#define SVN_RA_DAV__PROP_MD5_CHECKSUM SVN_DAV_PROP_NS_DAV "md5-checksum"
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#define SVN_RA_DAV__PROP_REPOSITORY_UUID SVN_DAV_PROP_NS_DAV "repository-uuid"
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/* what is the URL for this resource */
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/* is this resource a collection? (from the DAV:resourcetype element) */
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/* PROPSET: NAME -> VALUE (const char * -> const svn_string_t *) */
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/* --- only used during response processing --- */
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/* when we see a DAV:href element, what element is the parent? */
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} svn_ra_dav_resource_t;
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/* ### WARNING: which_props can only identify properties which props.c
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### knows about. see the elem_definitions[] array. */
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/* fetch a bunch of properties from the server. */
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svn_error_t * svn_ra_dav__get_props(apr_hash_t **results,
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const ne_propname *which_props,
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/* fetch a single resource's props from the server. */
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svn_error_t * svn_ra_dav__get_props_resource(svn_ra_dav_resource_t **rsrc,
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const ne_propname *which_props,
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/* fetch a single resource's starting props from the server. */
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svn_error_t * svn_ra_dav__get_starting_props(svn_ra_dav_resource_t **rsrc,
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/* Shared helper func: given a public URL which may not exist in HEAD,
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use SESS to search up parent directories until we can retrieve a
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*RSRC (allocated in POOL) containing a standard set of "starting"
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props: {VCC, resourcetype, baseline-relative-path}.
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Also return *MISSING_PATH (allocated in POOL), which is the
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trailing portion of the URL that did not exist. If an error
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occurs, *MISSING_PATH isn't changed. */
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svn_ra_dav__search_for_starting_props(svn_ra_dav_resource_t **rsrc,
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const char **missing_path,
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/* fetch a single property from a single resource */
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svn_error_t * svn_ra_dav__get_one_prop(const svn_string_t **propval,
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const ne_propname *propname,
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/* Get various Baseline-related information for a given "public" URL.
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Given a Neon session SESS and a URL, return whether the URL is a
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directory in *IS_DIR. IS_DIR may be NULL if this flag is unneeded.
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REVISION may be SVN_INVALID_REVNUM to indicate that the operation
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should work against the latest (HEAD) revision, or whether it should
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return information about that specific revision.
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If BC_URL is not NULL, then it will be filled in with the URL for
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the Baseline Collection for the specified revision, or the HEAD.
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If BC_RELATIVE is not NULL, then it will be filled in with a
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relative pathname for the baselined resource corresponding to the
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revision of the resource specified by URL.
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If LATEST_REV is not NULL, then it will be filled in with the revision
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that this information corresponds to. Generally, this will be the same
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as the REVISION parameter, unless we are working against the HEAD. In
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that case, the HEAD revision number is returned.
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Allocation for BC_URL->data, BC_RELATIVE->data, and temporary data,
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Note: a Baseline Collection is a complete tree for a specified Baseline.
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DeltaV baselines correspond one-to-one to Subversion revisions. Thus,
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the entire state of a revision can be found in a Baseline Collection.
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svn_error_t *svn_ra_dav__get_baseline_info(svn_boolean_t *is_dir,
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svn_string_t *bc_url,
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svn_string_t *bc_relative,
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svn_revnum_t *latest_rev,
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svn_revnum_t revision,
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/* Fetch a baseline resource populated with specific properties.
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Given a Neon session SESS and a URL, set *BLN_RSRC to a baseline of
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REVISION, populated with whatever properties are specified by
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WHICH_PROPS. To fetch all properties, pass NULL for WHICH_PROPS.
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If BC_RELATIVE is not NULL, then it will be filled in with a
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relative pathname for the baselined resource corresponding to the
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revision of the resource specified by URL.
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svn_error_t *svn_ra_dav__get_baseline_props(svn_string_t *bc_relative,
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svn_ra_dav_resource_t **bln_rsrc,
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svn_revnum_t revision,
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const ne_propname *which_props,
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/* Fetch the repository's unique Version-Controlled-Configuration url.
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Given a Neon session SESS and a URL, set *VCC to the url of the
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repository's version-controlled-configuration resource.
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svn_error_t *svn_ra_dav__get_vcc(const char **vcc,
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/* Issue a PROPPATCH request on URL, transmitting PROP_CHANGES (a hash
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of const svn_string_t * values keyed on Subversion user-visible
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property names) and PROP_DELETES (an array of property names to
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delete). Send any extra request headers in EXTRA_HEADERS. Use POOL
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for all allocations. */
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svn_error_t *svn_ra_dav__do_proppatch (svn_ra_dav__session_t *ras,
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apr_hash_t *prop_changes,
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apr_array_header_t *prop_deletes,
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apr_hash_t *extra_headers,
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extern const ne_propname svn_ra_dav__vcc_prop;
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extern const ne_propname svn_ra_dav__checked_in_prop;
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/* send an OPTIONS request to fetch the activity-collection-set */
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svn_error_t * svn_ra_dav__get_activity_collection(
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const svn_string_t **activity_coll,
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svn_ra_dav__session_t *ras,
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/* Call ne_set_request_body_pdovider on REQ with a provider function
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* that pulls data from BODY_FILE.
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svn_error_t *svn_ra_dav__set_neon_body_provider(ne_request *req,
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apr_file_t *body_file);
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/** Find a given element in the table of elements.
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* The table of XML elements @a table is searched until element identified by
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* namespace @a nspace and name @a name is found. If no elements are found,
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* tries to find and return element identified by @c ELEM_unknown. If that is
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* not found, returns NULL pointer. */
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const svn_ra_dav__xml_elm_t *
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svn_ra_dav__lookup_xml_elem(const svn_ra_dav__xml_elm_t *table,
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/* Send a METHOD request (e.g., "MERGE", "REPORT", "PROPFIND") to URL
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* in session SESS, and parse the response. If BODY is non-null, it is
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* the body of the request, else use the contents of file BODY_FILE
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* VALIDATE_CB, STARTELM_CB, and ENDELM_CB are Neon validation, start
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* element, and end element handlers, respectively, from Neon > 0.24.
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* BATON is passed to each as userdata.
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* SET_PARSER is a callback function which, if non-NULL, is called
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* with the XML parser and BATON. This is useful for providers of
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* validation and element handlers which require access to the parser.
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* EXTRA_HEADERS is a hash of (const char *) key/value pairs to be
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* inserted as extra headers in the request. Can be NULL.
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* STATUS_CODE is an optional 'out' parameter; if non-NULL, then set
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* *STATUS_CODE to the http status code returned by the server.
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* If SPOOL_RESPONSE is set, the request response will be cached to
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* disk in a tmpfile (in full), then read back and parsed.
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* Use POOL for any temporary allocation.
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svn_ra_dav__parsed_request(ne_session *sess,
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apr_file_t *body_file,
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void set_parser (ne_xml_parser *parser,
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ne_xml_startelm_cb *startelm_cb,
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ne_xml_cdata_cb *cdata_cb,
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ne_xml_endelm_cb *endelm_cb,
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apr_hash_t *extra_headers,
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svn_boolean_t spool_response,
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/* Same as svn_ra_dav__parsed_request, except:
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* ELEMENTS is the set of xml elements to recognize in the response.
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* The callbacks VALIDATE_CB, STARTELM_CB, and ENDELM_CB, are written
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* for the Neon <= 0.23 API.
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svn_ra_dav__parsed_request_compat(ne_session *sess,
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apr_file_t *body_file,
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void set_parser (ne_xml_parser *parser,
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const svn_ra_dav__xml_elm_t *elements,
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svn_ra_dav__xml_validate_cb validate_cb,
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svn_ra_dav__xml_startelm_cb startelm_cb,
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svn_ra_dav__xml_endelm_cb endelm_cb,
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apr_hash_t *extra_headers,
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svn_boolean_t spool_response,
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/* ### add SVN_RA_DAV_ to these to prefix conflicts with (sys) headers? */
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/* Redefine Neon elements */
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/* With the new API, we need to be able to use element id also as a return
619
* value from the new `startelm' callback, hence all element ids must be
620
* positive. Root element id is the only id that is not positive, it's zero.
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* `Root state' is never returned by a callback, it's only passed into it.
622
* Therefore, negative element ids are forbidden from now on. */
623
ELEM_unknown = 1, /* was (-1), see above why it's (1) now */
624
ELEM_root = NE_XML_STATEROOT, /* (0) */
626
ELEM_207_first = ELEM_UNUSED,
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ELEM_multistatus = ELEM_207_first,
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ELEM_response = ELEM_207_first + 1,
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ELEM_responsedescription = ELEM_207_first + 2,
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ELEM_href = ELEM_207_first + 3,
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ELEM_propstat = ELEM_207_first + 4,
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ELEM_prop = ELEM_207_first + 5, /* `prop' tag in the DAV namespace */
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ELEM_status = ELEM_207_first + 6,
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ELEM_207_UNUSED = ELEM_UNUSED + 100,
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ELEM_PROPS_UNUSED = ELEM_207_UNUSED + 100,
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ELEM_activity_coll_set = ELEM_207_UNUSED,
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ELEM_creator_displayname,
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ELEM_options_response,
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ELEM_get_content_length,
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ELEM_absent_directory,
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ELEM_baseline_relpath,
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ELEM_deleted_path, /* used in log reports */
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ELEM_replaced_path, /* used in log reports */
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ELEM_added_path, /* used in log reports */
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ELEM_modified_path, /* used in log reports */
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ELEM_target_revision,
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ELEM_SVN_prop, /* `prop' tag in the Subversion namespace */
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ELEM_dated_rev_report,
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ELEM_name_version_name,
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ELEM_name_creationdate,
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ELEM_name_creator_displayname,
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ELEM_repository_uuid,
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ELEM_get_locations_report,
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ELEM_file_revs_report,
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ELEM_get_locks_report,
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ELEM_lock_creationdate,
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ELEM_lock_expirationdate
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svn_error_t * svn_ra_dav__merge_activity(
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svn_revnum_t *new_rev,
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const char **committed_date,
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const char **committed_author,
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svn_ra_dav__session_t *ras,
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const char *repos_url,
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const char *activity_url,
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apr_hash_t *valid_targets,
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apr_hash_t *lock_tokens,
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svn_boolean_t keep_locks,
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svn_boolean_t disable_merge_response,
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/* Make a buffer for repeated use with svn_stringbuf_set().
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### it would be nice to start this buffer with N bytes, but there isn't
723
### really a way to do that in the string interface (yet), short of
724
### initializing it with a fake string (and copying it) */
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#define MAKE_BUFFER(p) svn_stringbuf_ncreate("", 0, (p))
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void svn_ra_dav__copy_href(svn_stringbuf_t *dst, const char *src);
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/* If RAS contains authentication info, attempt to store it via client
734
svn_ra_dav__maybe_store_auth_info (svn_ra_dav__session_t *ras);
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/* Like svn_ra_dav__maybe_store_auth_info(), but conditional on ERR.
739
Attempt to store auth info only if ERR is NULL or if ERR->apr_err
740
is not SVN_ERR_RA_NOT_AUTHORIZED. If ERR is not null, return it no
741
matter what, otherwise return the result of the attempt (if any) to
742
store auth info, else return SVN_NO_ERROR. */
744
svn_ra_dav__maybe_store_auth_info_after_result(svn_error_t *err,
745
svn_ra_dav__session_t *ras);
748
/* Create an error object for an error from neon in the given session,
749
where the return code from neon was RETCODE, and CONTEXT describes
750
what was being attempted. Do temporary allocations in POOL. */
751
svn_error_t *svn_ra_dav__convert_error(ne_session *sess,
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/* Given a neon REQUEST and SESSION, run the request; if CODE_P is
758
non-null, return the http status code in *CODE_P. Return any
759
resulting error (from neon, a <D:error> body response, or any
760
non-2XX status code) as an svn_error_t, otherwise return NULL.
761
The request will be freed either way.
763
SESSION, METHOD, and URL are required as well, as they are used to
764
describe the possible error. The error will be allocated in POOL.
766
OKAY_1 and OKAY_2 are the "acceptable" result codes. Anything other
767
than one of these will generate an error. OKAY_1 should always be
768
specified (e.g. as 200); use 0 for OKAY_2 if a second result code is
771
### not super sure on this "okay" stuff, but it means that the request
772
### dispatching code can generate much better errors than the callers
773
### when something goes wrong. if we need more than two, then we could
774
### add another param, switch to an array, or do something entirely
778
svn_ra_dav__request_dispatch(int *code_p,
788
/* Give PARSER the ability to parse a mod_dav_svn <D:error> response
789
body in the case of a non-2XX response to REQUEST. If a <D:error>
790
response is detected, then set *ERR to the parsed error.
793
svn_ra_dav__add_error_handler(ne_request *request,
794
ne_xml_parser *parser,
800
* Implements the get_locations RA layer function. */
802
svn_ra_dav__get_locations (svn_ra_session_t *session,
803
apr_hash_t **locations,
805
svn_revnum_t peg_revision,
806
apr_array_header_t *location_revisions,
811
* Implements the get_locks RA layer function. */
813
svn_ra_dav__get_locks(svn_ra_session_t *session,
819
* Implements the get_lock RA layer function. */
821
svn_ra_dav__get_lock(svn_ra_session_t *session,
827
/* Helper function. Loop over LOCK_TOKENS and assemble all keys and
828
values into a stringbuf allocated in POOL. The string will be of
831
<S:lock-token-list xmlns:S="svn:">
833
<S:lock-path>path</S:lock-path>
834
<S:lock-token>token</S:lock-token>
839
Callers can then send this in the request bodies, as a way of
840
reliably marshalling potentially unbounded lists of locks. (We do
841
this because httpd has limits on how much data can be sent in 'If:'
845
svn_ra_dav__assemble_locktoken_body(svn_stringbuf_t **body,
846
apr_hash_t *lock_tokens,
852
#endif /* __cplusplus */
854
#endif /* SVN_LIBSVN_RA_DAV_H */
added
removed
subversion/libsvn_ra_dav/ra_dav.h
