| /* |
| * default_editor.c -- provide a basic svn_delta_editor_t |
| * |
| * ==================================================================== |
| * 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 <apr_pools.h> |
| #include <apr_strings.h> |
| |
| #include "svn_types.h" |
| #include "svn_delta.h" |
| |
| |
| static svn_error_t * |
| set_target_revision(void *edit_baton, |
| svn_revnum_t target_revision, |
| apr_pool_t *pool) |
| { |
| return SVN_NO_ERROR; |
| } |
| static svn_error_t * |
| add_item(const char *path, |
| void *parent_baton, |
| const char *copyfrom_path, |
| svn_revnum_t copyfrom_revision, |
| apr_pool_t *pool, |
| void **baton) |
| { |
| *baton = NULL; |
| return SVN_NO_ERROR; |
| } |
| |
| |
| static svn_error_t * |
| single_baton_func(void *baton, |
| apr_pool_t *pool) |
| { |
| return SVN_NO_ERROR; |
| } |
| |
| |
| static svn_error_t * |
| absent_xxx_func(const char *path, |
| void *baton, |
| apr_pool_t *pool) |
| { |
| return SVN_NO_ERROR; |
| } |
| |
| |
| static svn_error_t * |
| open_root(void *edit_baton, |
| svn_revnum_t base_revision, |
| apr_pool_t *dir_pool, |
| void **root_baton) |
| { |
| *root_baton = NULL; |
| return SVN_NO_ERROR; |
| } |
| |
| static svn_error_t * |
| delete_entry(const char *path, |
| svn_revnum_t revision, |
| void *parent_baton, |
| apr_pool_t *pool) |
| { |
| return SVN_NO_ERROR; |
| } |
| |
| static svn_error_t * |
| open_item(const char *path, |
| void *parent_baton, |
| svn_revnum_t base_revision, |
| apr_pool_t *pool, |
| void **baton) |
| { |
| *baton = NULL; |
| return SVN_NO_ERROR; |
| } |
| |
| static svn_error_t * |
| change_prop(void *file_baton, |
| const char *name, |
| const svn_string_t *value, |
| apr_pool_t *pool) |
| { |
| return SVN_NO_ERROR; |
| } |
| |
| svn_error_t *svn_delta_noop_window_handler(svn_txdelta_window_t *window, |
| void *baton) |
| { |
| return SVN_NO_ERROR; |
| } |
| |
| static svn_error_t * |
| apply_textdelta(void *file_baton, |
| const char *base_checksum, |
| apr_pool_t *pool, |
| svn_txdelta_window_handler_t *handler, |
| void **handler_baton) |
| { |
| *handler = svn_delta_noop_window_handler; |
| *handler_baton = NULL; |
| return SVN_NO_ERROR; |
| } |
| |
| |
| static svn_error_t * |
| close_file(void *file_baton, |
| const char *text_checksum, |
| apr_pool_t *pool) |
| { |
| return SVN_NO_ERROR; |
| } |
| |
| |
| static svn_error_t * |
| apply_textdelta_stream(const svn_delta_editor_t *editor, |
| void *file_baton, |
| const char *base_checksum, |
| svn_txdelta_stream_open_func_t open_func, |
| void *open_baton, |
| apr_pool_t *scratch_pool) |
| { |
| svn_txdelta_window_handler_t handler; |
| void *handler_baton; |
| |
| SVN_ERR(editor->apply_textdelta(file_baton, base_checksum, |
| scratch_pool, &handler, |
| &handler_baton)); |
| if (handler != svn_delta_noop_window_handler) |
| { |
| svn_txdelta_stream_t *txdelta_stream; |
| |
| SVN_ERR(open_func(&txdelta_stream, open_baton, scratch_pool, |
| scratch_pool)); |
| SVN_ERR(svn_txdelta_send_txstream(txdelta_stream, handler, |
| handler_baton, scratch_pool)); |
| } |
| |
| return SVN_NO_ERROR; |
| } |
| |
| |
| static const svn_delta_editor_t default_editor = |
| { |
| set_target_revision, |
| open_root, |
| delete_entry, |
| add_item, |
| open_item, |
| change_prop, |
| single_baton_func, |
| absent_xxx_func, |
| add_item, |
| open_item, |
| apply_textdelta, |
| change_prop, |
| close_file, |
| absent_xxx_func, |
| single_baton_func, |
| single_baton_func, |
| apply_textdelta_stream |
| }; |
| |
| svn_delta_editor_t * |
| svn_delta_default_editor(apr_pool_t *pool) |
| { |
| return apr_pmemdup(pool, &default_editor, sizeof(default_editor)); |
| } |