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
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
|
/*
* Copyright (c) 2010 Remko Tronçon
* Licensed under the GNU General Public License v3.
* See Documentation/Licenses/GPLv3.txt for more information.
*/
#pragma once
#include <vector>
#include <string>
#include <cstring> // for memcpy
namespace Swift {
class ByteArray
{
public:
typedef std::vector<unsigned char>::const_iterator const_iterator;
ByteArray() : data_() {}
ByteArray(const std::string& s) : data_(s.begin(), s.end()) {}
ByteArray(const char* c) {
while (*c) {
data_.push_back(static_cast<unsigned char>(*c));
++c;
}
}
ByteArray(const char* c, size_t n) {
if (n > 0) {
data_.resize(n);
memcpy(&data_[0], c, n);
}
}
ByteArray(const unsigned char* c, size_t n) {
if (n > 0) {
data_.resize(n);
memcpy(&data_[0], c, n);
}
}
ByteArray(const std::vector<unsigned char>& data) : data_(data) {
}
const unsigned char* getData() const {
return data_.empty() ? NULL : &data_[0];
}
unsigned char* getData() {
return data_.empty() ? NULL : &data_[0];
}
const std::vector<unsigned char>& getVector() const {
return data_;
}
std::vector<unsigned char>& getVector() {
return data_;
}
size_t getSize() const {
return data_.size();
}
bool isEmpty() const {
return data_.empty();
}
void resize(size_t size) {
return data_.resize(size);
}
void resize(size_t size, char c) {
return data_.resize(size, static_cast<unsigned char>(c));
}
friend ByteArray operator+(const ByteArray& a, const ByteArray&b) {
ByteArray result(a);
result.data_.insert(result.data_.end(), b.data_.begin(), b.data_.end());
return result;
}
friend ByteArray operator+(const ByteArray& a, char b) {
ByteArray x;
x.resize(1);
x[0] = static_cast<unsigned char>(b);
return a + x;
}
ByteArray& operator+=(const ByteArray& b) {
data_.insert(data_.end(), b.data_.begin(), b.data_.end());
return *this;
}
ByteArray& operator+=(char c) {
data_.push_back(static_cast<unsigned char>(c));
return *this;
}
friend bool operator==(const ByteArray& a, const ByteArray& b) {
return a.data_ == b.data_;
}
const unsigned char& operator[](size_t i) const {
return data_[i];
}
unsigned char& operator[](size_t i) {
return data_[i];
}
const_iterator begin() const {
return data_.begin();
}
const_iterator end() const {
return data_.end();
}
std::string toString() const {
return std::string(reinterpret_cast<const char*>(getData()), getSize());
}
void readFromFile(const std::string& file);
void clear() {
data_.clear();
}
const std::vector<unsigned char>& getDataVector() const {
return data_;
}
static std::vector<unsigned char> create(const std::string& s);
static std::vector<unsigned char> create(const char* c);
static std::vector<unsigned char> create(const unsigned char* c, size_t n);
static std::vector<unsigned char> create(const char* c, size_t n);
static const unsigned char* data(const std::vector<unsigned char>& v) {
return v.empty() ? NULL : &v[0];
}
static const char* charData(const std::vector<unsigned char>& v) {
return v.empty() ? NULL : reinterpret_cast<const char*>(&v[0]);
}
private:
std::vector<unsigned char> data_;
};
}
std::ostream& operator<<(std::ostream& os, const Swift::ByteArray& s);
std::ostream& operator<<(std::ostream& os, const std::vector<unsigned char>& s);
|
Swift