contrib/subversion/subversion/include/private/svn_delta_private.h

   1 /**
   2  * @copyright
   3  * ====================================================================
   4  *    Licensed to the Apache Software Foundation (ASF) under one
   5  *    or more contributor license agreements.  See the NOTICE file
   6  *    distributed with this work for additional information
   7  *    regarding copyright ownership.  The ASF licenses this file
   8  *    to you under the Apache License, Version 2.0 (the
   9  *    "License"); you may not use this file except in compliance
  10  *    with the License.  You may obtain a copy of the License at
  11  *
  12  *      http://www.apache.org/licenses/LICENSE-2.0
  13  *
  14  *    Unless required by applicable law or agreed to in writing,
  15  *    software distributed under the License is distributed on an
  16  *    "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
  17  *    KIND, either express or implied.  See the License for the
  18  *    specific language governing permissions and limitations
  19  *    under the License.
  20  * ====================================================================
  21  * @endcopyright
  22  *
  23  * @file svn_delta_private.h
  24  * @brief The Subversion delta/diff/editor library - Internal routines
  25  */
  26
  27 #ifndef SVN_DELTA_PRIVATE_H
  28 #define SVN_DELTA_PRIVATE_H
  29
  30 #include <apr_pools.h>
  31
  32 #include "svn_types.h"
  33 #include "svn_error.h"
  34 #include "svn_delta.h"
  35 #include "svn_editor.h"
  36
  37 #ifdef __cplusplus
  38 extern "C" {
  39 #endif /* __cplusplus */
  40
  41
  42 typedef svn_error_t *(*svn_delta__start_edit_func_t)(
  43   void *baton,
  44   svn_revnum_t base_revision);
  45
  46 typedef svn_error_t *(*svn_delta__target_revision_func_t)(
  47   void *baton,
  48   svn_revnum_t target_revision,
  49   apr_pool_t *scratch_pool);
  50
  51 typedef svn_error_t *(*svn_delta__unlock_func_t)(
  52   void *baton,
  53   const char *path,
  54   apr_pool_t *scratch_pool);
  55
  56
  57 /* See svn_editor__insert_shims() for more information. */
  58 struct svn_delta__extra_baton
  59 {
  60   svn_delta__start_edit_func_t start_edit;
  61   svn_delta__target_revision_func_t target_revision;
  62   void *baton;
  63 };
  64
  65
  66 /** A temporary API to convert from a delta editor to an Ev2 editor. */
  67 svn_error_t *
  68 svn_delta__editor_from_delta(svn_editor_t **editor_p,
  69                              struct svn_delta__extra_baton **exb,
  70                              svn_delta__unlock_func_t *unlock_func,
  71                              void **unlock_baton,
  72                              const svn_delta_editor_t *deditor,
  73                              void *dedit_baton,
  74                              svn_boolean_t *send_abs_paths,
  75                              const char *repos_root,
  76                              const char *base_relpath,
  77                              svn_cancel_func_t cancel_func,
  78                              void *cancel_baton,
  79                              svn_delta_fetch_kind_func_t fetch_kind_func,
  80                              void *fetch_kind_baton,
  81                              svn_delta_fetch_props_func_t fetch_props_func,
  82                              void *fetch_props_baton,
  83                              apr_pool_t *result_pool,
  84                              apr_pool_t *scratch_pool);
  85
  86
  87 /** A temporary API to convert from an Ev2 editor to a delta editor. */
  88 svn_error_t *
  89 svn_delta__delta_from_editor(const svn_delta_editor_t **deditor,
  90                              void **dedit_baton,
  91                              svn_editor_t *editor,
  92                              svn_delta__unlock_func_t unlock_func,
  93                              void *unlock_baton,
  94                              svn_boolean_t *found_abs_paths,
  95                              const char *repos_root,
  96                              const char *base_relpath,
  97                              svn_delta_fetch_props_func_t fetch_props_func,
  98                              void *fetch_props_baton,
  99                              svn_delta_fetch_base_func_t fetch_base_func,
 100                              void *fetch_base_baton,
 101                              struct svn_delta__extra_baton *exb,
 102                              apr_pool_t *pool);
 103
 104 /**
 105  * Get the data from IN, compress it according to the specified
 106  * COMPRESSION_LEVEL and write the result to OUT.
 107  * SVN_DELTA_COMPRESSION_LEVEL_NONE is valid for COMPRESSION_LEVEL.
 108  */
 109 svn_error_t *
 110 svn__compress(svn_string_t *in,
 111               svn_stringbuf_t *out,
 112               int compression_level);
 113
 114 /**
 115  * Get the compressed data from IN, decompress it and write the result to
 116  * OUT.  Return an error if the decompressed size is larger than LIMIT.
 117  */
 118 svn_error_t *
 119 svn__decompress(svn_string_t *in,
 120                 svn_stringbuf_t *out,
 121                 apr_size_t limit);
 122
 123
 124 #ifdef __cplusplus
 125 }
 126 #endif /* __cplusplus */
 127
 128 #endif /* SVN_DELTA_PRIVATE_H */