forked from unittest-cpp/unittest-cpp
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathMemoryOutStream.cpp
More file actions
183 lines (139 loc) · 3.19 KB
/
Copy pathMemoryOutStream.cpp
File metadata and controls
183 lines (139 loc) · 3.19 KB
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
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
#include "MemoryOutStream.h"
#ifdef UNITTEST_MEMORYOUTSTREAM_IS_STD_OSTRINGSTREAM
namespace UnitTest {
char const* MemoryOutStream::GetText() const
{
m_text = this->str();
return m_text.c_str();
}
void MemoryOutStream::Clear()
{
this->str(std::string());
m_text = this->str();
}
}
#else
#include <cstring>
#include <cstdio>
#if _MSC_VER
#define snprintf _snprintf
#endif
namespace UnitTest {
namespace {
template<typename ValueType>
void FormatToStream(MemoryOutStream& stream, char const* format, ValueType const& value)
{
using namespace std;
const size_t BUFFER_SIZE=32;
char txt[BUFFER_SIZE];
snprintf(txt, BUFFER_SIZE, format, value);
stream << txt;
}
int RoundUpToMultipleOfPow2Number (int n, int pow2Number)
{
return (n + (pow2Number - 1)) & ~(pow2Number - 1);
}
}
MemoryOutStream::MemoryOutStream(int const size)
: m_capacity (0)
, m_buffer (0)
{
GrowBuffer(size);
}
MemoryOutStream::~MemoryOutStream()
{
delete [] m_buffer;
}
void MemoryOutStream::Clear()
{
m_buffer[0] = '\0';
}
char const* MemoryOutStream::GetText() const
{
return m_buffer;
}
MemoryOutStream& MemoryOutStream::operator <<(char const* txt)
{
using namespace std;
int const bytesLeft = m_capacity - (int)strlen(m_buffer);
int const bytesRequired = (int)strlen(txt) + 1;
if (bytesRequired > bytesLeft)
{
int const requiredCapacity = bytesRequired + m_capacity - bytesLeft;
GrowBuffer(requiredCapacity);
}
strcat(m_buffer, txt);
return *this;
}
MemoryOutStream& MemoryOutStream::operator <<(int const n)
{
FormatToStream(*this, "%i", n);
return *this;
}
MemoryOutStream& MemoryOutStream::operator <<(long const n)
{
FormatToStream(*this, "%li", n);
return *this;
}
MemoryOutStream& MemoryOutStream::operator <<(unsigned long const n)
{
FormatToStream(*this, "%lu", n);
return *this;
}
MemoryOutStream& MemoryOutStream::operator <<(long long const n)
{
#ifdef UNITTEST_WIN32
FormatToStream(*this, "%I64d", n);
#else
FormatToStream(*this, "%lld", n);
#endif
return *this;
}
MemoryOutStream& MemoryOutStream::operator <<(unsigned long long const n)
{
#ifdef UNITTEST_WIN32
FormatToStream(*this, "%I64u", n);
#else
FormatToStream(*this, "%llu", n);
#endif
return *this;
}
MemoryOutStream& MemoryOutStream::operator <<(float const f)
{
FormatToStream(*this, "%0.6f", f);
return *this;
}
MemoryOutStream& MemoryOutStream::operator <<(void const* p)
{
FormatToStream(*this, "%p", p);
return *this;
}
MemoryOutStream& MemoryOutStream::operator <<(unsigned int const s)
{
FormatToStream(*this, "%u", s);
return *this;
}
MemoryOutStream& MemoryOutStream::operator <<(double const d)
{
FormatToStream(*this, "%0.6f", d);
return *this;
}
int MemoryOutStream::GetCapacity() const
{
return m_capacity;
}
void MemoryOutStream::GrowBuffer(int const desiredCapacity)
{
int const newCapacity = RoundUpToMultipleOfPow2Number(desiredCapacity, GROW_CHUNK_SIZE);
using namespace std;
char* buffer = new char[newCapacity];
if (m_buffer)
strcpy(buffer, m_buffer);
else
strcpy(buffer, "");
delete [] m_buffer;
m_buffer = buffer;
m_capacity = newCapacity;
}
}
#endif