blob: e3cbe0397b0839a9f8ad701ffca1e90711834737 (
plain)
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
|
// taken from http://www.adp-gmbh.ch/cpp/common/base64.html
#ifndef BASE64_H_5FKG12HF
#define BASE64_H_5FKG12HF
extern "C" {
#include "Base64.h"
}
#include <stdlib.h>
#include <string>
#include "uscxml/Common.h"
namespace uscxml {
USCXML_API inline std::string base64Encode(const char* data, unsigned int len, bool withBlockEnd = true) {
base64_encodestate* ctx = (base64_encodestate*)malloc(sizeof(base64_encodestate));
base64_init_encodestate(ctx);
/**
* Wikipedia: Very roughly, the final size of Base64-encoded binary data is equal to 1.37
* times the original data size + 814 bytes (for headers). The size of the decoded data can
* be approximated with this formula:
*/
int written = 0;
char* out = (char*)malloc(len * 1.4 + 814);
written += base64_encode_block(data, len, out, ctx);
if (withBlockEnd) {
written += base64_encode_blockend(out + written, ctx);
written--; // drop the newline
}
std::string result(out, written);
free(ctx);
free(out);
return result;
}
USCXML_API inline std::string base64Decode(const std::string& data) {
base64_decodestate* ctx = (base64_decodestate*)malloc(sizeof(base64_decodestate));
base64_init_decodestate(ctx);
char* out = (char*)malloc(data.size());
base64_decode_block(data.data(), data.size(), out, ctx);
free(ctx);
std::string result(out);
free(out);
return result;
}
// USCXML_API std::string base64Decode(const std::string& data);
// USCXML_API std::string base64Encode(const char* data, unsigned int len);
}
#endif /* end of include guard: BASE64_H_5FKG12HF */
|
