src/TortoiseMerge/svninclude/svn_base64.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_base64.h
  24  * @brief Base64 encoding and decoding functions
  25  */
  26
  27 #ifndef SVN_BASE64_H
  28 #define SVN_BASE64_H
  29
  30 #include <apr_pools.h>
  31
  32 #include "svn_types.h"
  33 #include "svn_io.h"     /* for svn_stream_t */
  34 #include "svn_string.h"
  35
  36 #ifdef __cplusplus
  37 extern "C" {
  38 #endif /* __cplusplus */
  39
  40 /**
  41  *
  42  *
  43  * @defgroup base64 Base64 encoding/decoding functions
  44  *
  45  * @{
  46  */
  47
  48 /** Return a writable generic stream which will encode binary data in
  49  * base64 format and write the encoded data to @a output.  Be sure to
  50  * close the stream when done writing in order to squeeze out the last
  51  * bit of encoded data.  The stream is allocated in @a pool.
  52  */
  53 svn_stream_t *
  54 svn_base64_encode(svn_stream_t *output,
  55                   apr_pool_t *pool);
  56
  57 /** Return a writable generic stream which will decode base64-encoded
  58  * data and write the decoded data to @a output.  The stream is allocated
  59  * in @a pool.
  60  */
  61 svn_stream_t *
  62 svn_base64_decode(svn_stream_t *output,
  63                   apr_pool_t *pool);
  64
  65
  66 /** Encode an @c svn_stringbuf_t into base64.
  67  *
  68  * A simple interface for encoding base64 data assuming we have all of
  69  * it present at once.  If @a break_lines is true, newlines will be
  70  * inserted periodically; otherwise the string will only consist of
  71  * base64 encoding characters.  The returned string will be allocated
  72  * from @a pool.
  73  *
  74  * @since New in 1.6.
  75  */
  76 const svn_string_t *
  77 svn_base64_encode_string2(const svn_string_t *str,
  78                           svn_boolean_t break_lines,
  79                           apr_pool_t *pool);
  80
  81 /**
  82  * Same as svn_base64_encode_string2, but with @a break_lines always
  83  * TRUE.
  84  *
  85  * @deprecated Provided for backward compatibility with the 1.5 API.
  86  */
  87 SVN_DEPRECATED
  88 const svn_string_t *
  89 svn_base64_encode_string(const svn_string_t *str,
  90                          apr_pool_t *pool);
  91
  92 /** Decode an @c svn_stringbuf_t from base64.
  93  *
  94  * A simple interface for decoding base64 data assuming we have all of
  95  * it present at once.  The returned string will be allocated from @c
  96  * pool.
  97  *
  98  */
  99 const svn_string_t *
 100 svn_base64_decode_string(const svn_string_t *str,
 101                          apr_pool_t *pool);
 102
 103
 104 /** Return a base64-encoded checksum for finalized @a digest.
 105  *
 106  * @a digest contains @c APR_MD5_DIGESTSIZE bytes of finalized data.
 107  * Allocate the returned checksum in @a pool.
 108  *
 109  * @deprecated Provided for backward compatibility with the 1.5 API.
 110  */
 111 SVN_DEPRECATED
 112 svn_stringbuf_t *
 113 svn_base64_from_md5(unsigned char digest[],
 114                     apr_pool_t *pool);
 115
 116
 117 /** @} end group: Base64 encoding/decoding functions */
 118
 119 #ifdef __cplusplus
 120 }
 121 #endif /* __cplusplus */
 122
 123 #endif /* SVN_BASE64_H */