| /* |
| * cancel.c: Routines to support cancellation of running subversion functions. |
| * |
| * ==================================================================== |
| * 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 "svn_delta.h" |
| |
| struct edit_baton |
| { |
| const svn_delta_editor_t *wrapped_editor; |
| void *wrapped_edit_baton; |
| |
| svn_cancel_func_t cancel_func; |
| void *cancel_baton; |
| }; |
| |
| struct dir_baton |
| { |
| void *edit_baton; |
| void *wrapped_dir_baton; |
| }; |
| |
| struct file_baton |
| { |
| void *edit_baton; |
| void *wrapped_file_baton; |
| }; |
| |
| static svn_error_t * |
| set_target_revision(void *edit_baton, |
| svn_revnum_t target_revision, |
| apr_pool_t *pool) |
| { |
| struct edit_baton *eb = edit_baton; |
| |
| SVN_ERR(eb->cancel_func(eb->cancel_baton)); |
| |
| return eb->wrapped_editor->set_target_revision(eb->wrapped_edit_baton, |
| target_revision, |
| pool); |
| } |
| |
| static svn_error_t * |
| open_root(void *edit_baton, |
| svn_revnum_t base_revision, |
| apr_pool_t *pool, |
| void **root_baton) |
| { |
| struct edit_baton *eb = edit_baton; |
| struct dir_baton *dir_baton = apr_palloc(pool, sizeof(*dir_baton)); |
| |
| SVN_ERR(eb->cancel_func(eb->cancel_baton)); |
| |
| SVN_ERR(eb->wrapped_editor->open_root(eb->wrapped_edit_baton, |
| base_revision, |
| pool, |
| &dir_baton->wrapped_dir_baton)); |
| |
| dir_baton->edit_baton = edit_baton; |
| |
| *root_baton = dir_baton; |
| |
| return SVN_NO_ERROR; |
| } |
| |
| static svn_error_t * |
| delete_entry(const char *path, |
| svn_revnum_t base_revision, |
| void *parent_baton, |
| apr_pool_t *pool) |
| { |
| struct dir_baton *pb = parent_baton; |
| struct edit_baton *eb = pb->edit_baton; |
| |
| SVN_ERR(eb->cancel_func(eb->cancel_baton)); |
| |
| return eb->wrapped_editor->delete_entry(path, |
| base_revision, |
| pb->wrapped_dir_baton, |
| pool); |
| } |
| |
| static svn_error_t * |
| add_directory(const char *path, |
| void *parent_baton, |
| const char *copyfrom_path, |
| svn_revnum_t copyfrom_revision, |
| apr_pool_t *pool, |
| void **child_baton) |
| { |
| struct dir_baton *pb = parent_baton; |
| struct edit_baton *eb = pb->edit_baton; |
| struct dir_baton *b = apr_palloc(pool, sizeof(*b)); |
| |
| SVN_ERR(eb->cancel_func(eb->cancel_baton)); |
| |
| SVN_ERR(eb->wrapped_editor->add_directory(path, |
| pb->wrapped_dir_baton, |
| copyfrom_path, |
| copyfrom_revision, |
| pool, |
| &b->wrapped_dir_baton)); |
| |
| b->edit_baton = eb; |
| *child_baton = b; |
| |
| return SVN_NO_ERROR; |
| } |
| |
| static svn_error_t * |
| open_directory(const char *path, |
| void *parent_baton, |
| svn_revnum_t base_revision, |
| apr_pool_t *pool, |
| void **child_baton) |
| { |
| struct dir_baton *pb = parent_baton; |
| struct edit_baton *eb = pb->edit_baton; |
| struct dir_baton *db = apr_palloc(pool, sizeof(*db)); |
| |
| SVN_ERR(eb->cancel_func(eb->cancel_baton)); |
| |
| SVN_ERR(eb->wrapped_editor->open_directory(path, |
| pb->wrapped_dir_baton, |
| base_revision, |
| pool, |
| &db->wrapped_dir_baton)); |
| |
| db->edit_baton = eb; |
| *child_baton = db; |
| |
| return SVN_NO_ERROR; |
| } |
| |
| static svn_error_t * |
| add_file(const char *path, |
| void *parent_baton, |
| const char *copyfrom_path, |
| svn_revnum_t copyfrom_revision, |
| apr_pool_t *pool, |
| void **file_baton) |
| { |
| struct dir_baton *pb = parent_baton; |
| struct edit_baton *eb = pb->edit_baton; |
| struct file_baton *fb = apr_palloc(pool, sizeof(*fb)); |
| |
| SVN_ERR(eb->cancel_func(eb->cancel_baton)); |
| |
| SVN_ERR(eb->wrapped_editor->add_file(path, |
| pb->wrapped_dir_baton, |
| copyfrom_path, |
| copyfrom_revision, |
| pool, |
| &fb->wrapped_file_baton)); |
| |
| fb->edit_baton = eb; |
| *file_baton = fb; |
| |
| return SVN_NO_ERROR; |
| } |
| |
| static svn_error_t * |
| open_file(const char *path, |
| void *parent_baton, |
| svn_revnum_t base_revision, |
| apr_pool_t *pool, |
| void **file_baton) |
| { |
| struct dir_baton *pb = parent_baton; |
| struct edit_baton *eb = pb->edit_baton; |
| struct file_baton *fb = apr_palloc(pool, sizeof(*fb)); |
| |
| SVN_ERR(eb->cancel_func(eb->cancel_baton)); |
| |
| SVN_ERR(eb->wrapped_editor->open_file(path, |
| pb->wrapped_dir_baton, |
| base_revision, |
| pool, |
| &fb->wrapped_file_baton)); |
| |
| fb->edit_baton = eb; |
| *file_baton = fb; |
| |
| 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) |
| { |
| struct file_baton *fb = file_baton; |
| struct edit_baton *eb = fb->edit_baton; |
| |
| SVN_ERR(eb->cancel_func(eb->cancel_baton)); |
| |
| return eb->wrapped_editor->apply_textdelta(fb->wrapped_file_baton, |
| base_checksum, |
| pool, |
| handler, |
| handler_baton); |
| } |
| |
| 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) |
| { |
| struct file_baton *fb = file_baton; |
| struct edit_baton *eb = fb->edit_baton; |
| |
| SVN_ERR(eb->cancel_func(eb->cancel_baton)); |
| |
| return eb->wrapped_editor->apply_textdelta_stream(eb->wrapped_editor, |
| fb->wrapped_file_baton, |
| base_checksum, |
| open_func, open_baton, |
| scratch_pool); |
| } |
| |
| static svn_error_t * |
| close_file(void *file_baton, |
| const char *text_checksum, |
| apr_pool_t *pool) |
| { |
| struct file_baton *fb = file_baton; |
| struct edit_baton *eb = fb->edit_baton; |
| |
| SVN_ERR(eb->cancel_func(eb->cancel_baton)); |
| |
| return eb->wrapped_editor->close_file(fb->wrapped_file_baton, |
| text_checksum, pool); |
| } |
| |
| static svn_error_t * |
| absent_file(const char *path, |
| void *file_baton, |
| apr_pool_t *pool) |
| { |
| struct file_baton *fb = file_baton; |
| struct edit_baton *eb = fb->edit_baton; |
| |
| SVN_ERR(eb->cancel_func(eb->cancel_baton)); |
| |
| return eb->wrapped_editor->absent_file(path, fb->wrapped_file_baton, |
| pool); |
| } |
| |
| static svn_error_t * |
| close_directory(void *dir_baton, |
| apr_pool_t *pool) |
| { |
| struct dir_baton *db = dir_baton; |
| struct edit_baton *eb = db->edit_baton; |
| |
| SVN_ERR(eb->cancel_func(eb->cancel_baton)); |
| |
| return eb->wrapped_editor->close_directory(db->wrapped_dir_baton, pool); |
| } |
| |
| static svn_error_t * |
| absent_directory(const char *path, |
| void *dir_baton, |
| apr_pool_t *pool) |
| { |
| struct dir_baton *db = dir_baton; |
| struct edit_baton *eb = db->edit_baton; |
| |
| SVN_ERR(eb->cancel_func(eb->cancel_baton)); |
| |
| return eb->wrapped_editor->absent_directory(path, db->wrapped_dir_baton, |
| pool); |
| } |
| |
| static svn_error_t * |
| change_file_prop(void *file_baton, |
| const char *name, |
| const svn_string_t *value, |
| apr_pool_t *pool) |
| { |
| struct file_baton *fb = file_baton; |
| struct edit_baton *eb = fb->edit_baton; |
| |
| SVN_ERR(eb->cancel_func(eb->cancel_baton)); |
| |
| return eb->wrapped_editor->change_file_prop(fb->wrapped_file_baton, |
| name, value, pool); |
| } |
| |
| static svn_error_t * |
| change_dir_prop(void *dir_baton, |
| const char *name, |
| const svn_string_t *value, |
| apr_pool_t *pool) |
| { |
| struct dir_baton *db = dir_baton; |
| struct edit_baton *eb = db->edit_baton; |
| |
| SVN_ERR(eb->cancel_func(eb->cancel_baton)); |
| |
| return eb->wrapped_editor->change_dir_prop(db->wrapped_dir_baton, |
| name, |
| value, |
| pool); |
| } |
| |
| static svn_error_t * |
| close_edit(void *edit_baton, |
| apr_pool_t *pool) |
| { |
| struct edit_baton *eb = edit_baton; |
| |
| SVN_ERR(eb->cancel_func(eb->cancel_baton)); |
| |
| return eb->wrapped_editor->close_edit(eb->wrapped_edit_baton, pool); |
| } |
| |
| static svn_error_t * |
| abort_edit(void *edit_baton, |
| apr_pool_t *pool) |
| { |
| struct edit_baton *eb = edit_baton; |
| |
| SVN_ERR(eb->cancel_func(eb->cancel_baton)); |
| |
| return eb->wrapped_editor->abort_edit(eb->wrapped_edit_baton, pool); |
| } |
| |
| svn_error_t * |
| svn_delta_get_cancellation_editor(svn_cancel_func_t cancel_func, |
| void *cancel_baton, |
| const svn_delta_editor_t *wrapped_editor, |
| void *wrapped_edit_baton, |
| const svn_delta_editor_t **editor, |
| void **edit_baton, |
| apr_pool_t *pool) |
| { |
| if (cancel_func) |
| { |
| svn_delta_editor_t *tree_editor = svn_delta_default_editor(pool); |
| struct edit_baton *eb = apr_palloc(pool, sizeof(*eb)); |
| |
| tree_editor->set_target_revision = set_target_revision; |
| tree_editor->open_root = open_root; |
| tree_editor->delete_entry = delete_entry; |
| tree_editor->add_directory = add_directory; |
| tree_editor->open_directory = open_directory; |
| tree_editor->change_dir_prop = change_dir_prop; |
| tree_editor->close_directory = close_directory; |
| tree_editor->absent_directory = absent_directory; |
| tree_editor->add_file = add_file; |
| tree_editor->open_file = open_file; |
| tree_editor->apply_textdelta = apply_textdelta; |
| tree_editor->apply_textdelta_stream = apply_textdelta_stream; |
| tree_editor->change_file_prop = change_file_prop; |
| tree_editor->close_file = close_file; |
| tree_editor->absent_file = absent_file; |
| tree_editor->close_edit = close_edit; |
| tree_editor->abort_edit = abort_edit; |
| |
| eb->wrapped_editor = wrapped_editor; |
| eb->wrapped_edit_baton = wrapped_edit_baton; |
| eb->cancel_func = cancel_func; |
| eb->cancel_baton = cancel_baton; |
| |
| *editor = tree_editor; |
| *edit_baton = eb; |
| } |
| else |
| { |
| *editor = wrapped_editor; |
| *edit_baton = wrapped_edit_baton; |
| } |
| |
| return SVN_NO_ERROR; |
| } |