1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
|
/*
* Copyright (c) 2011 Samsung Electronics Co., Ltd All Rights Reserved
*
* Licensed 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.
*/
#ifndef _BASE64_H_
#define _BASE64_H_
#include <string>
#include <vcore/exception.h>
struct bio_st;
typedef bio_st BIO;
namespace ValidationCore {
class Base64Encoder {
public:
class Exception {
public:
VCORE_DECLARE_EXCEPTION_TYPE(ValidationCore::Exception, Base)
VCORE_DECLARE_EXCEPTION_TYPE(Base, InternalError)
VCORE_DECLARE_EXCEPTION_TYPE(Base, NotFinalized)
VCORE_DECLARE_EXCEPTION_TYPE(Base, AlreadyFinalized)
};
Base64Encoder();
void append(const std::string &data);
void finalize();
std::string get();
void reset();
~Base64Encoder();
private:
Base64Encoder(const Base64Encoder &);
const Base64Encoder &operator=(const Base64Encoder &);
BIO *m_b64;
BIO *m_bmem;
bool m_finalized;
};
class Base64Decoder {
public:
class Exception {
public:
VCORE_DECLARE_EXCEPTION_TYPE(ValidationCore::Exception, Base)
VCORE_DECLARE_EXCEPTION_TYPE(Base, InternalError)
VCORE_DECLARE_EXCEPTION_TYPE(Base, NotFinalized)
VCORE_DECLARE_EXCEPTION_TYPE(Base, AlreadyFinalized)
};
Base64Decoder();
void append(const std::string &data);
/*
* Function will return false when BIO_read fails
* (for example: when string was not in base64 format).
*/
bool finalize();
std::string get() const;
void reset();
~Base64Decoder() {}
private:
Base64Decoder(const Base64Decoder &);
const Base64Decoder &operator=(const Base64Decoder &);
std::string m_input;
std::string m_output;
bool m_finalized;
};
} // namespace ValidationCore
#endif
|