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
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
|
/*
* Copyright (C) 2006 The Android Open Source Project
*
* 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.
*/
#pragma once
#include <utils/Errors.h>
#include <utils/String8.h>
#include <stdint.h>
#include <string.h>
#include <sstream>
// ---------------------------------------------------------------------------
namespace android {
class TextOutput
{
public:
TextOutput();
virtual ~TextOutput();
virtual status_t print(const char* txt, size_t len) = 0;
virtual void moveIndent(int delta) = 0;
class Bundle {
public:
inline explicit Bundle(TextOutput& to) : mTO(to) { to.pushBundle(); }
inline ~Bundle() { mTO.popBundle(); }
private:
TextOutput& mTO;
};
virtual void pushBundle() = 0;
virtual void popBundle() = 0;
};
// ---------------------------------------------------------------------------
// DO NOT USE: prefer libutils/libbase logs, which don't require static data to
// be allocated.
// Text output stream for printing to the log (via utils/Log.h).
extern TextOutput& alog;
// DO NOT USE: prefer libutils/libbase logs, which don't require static data to
// be allocated.
// Text output stream for printing to stdout.
extern TextOutput& aout;
// DO NOT USE: prefer libutils/libbase logs, which don't require static data to
// be allocated.
// Text output stream for printing to stderr.
extern TextOutput& aerr;
typedef TextOutput& (*TextOutputManipFunc)(TextOutput&);
TextOutput& endl(TextOutput& to);
TextOutput& indent(TextOutput& to);
TextOutput& dedent(TextOutput& to);
template<typename T>
TextOutput& operator<<(TextOutput& to, const T& val)
{
std::stringstream strbuf;
strbuf << val;
std::string str = strbuf.str();
to.print(str.c_str(), str.size());
return to;
}
TextOutput& operator<<(TextOutput& to, TextOutputManipFunc func);
class TypeCode
{
public:
inline explicit TypeCode(uint32_t code);
inline ~TypeCode();
inline uint32_t typeCode() const;
private:
uint32_t mCode;
};
TextOutput& operator<<(TextOutput& to, const TypeCode& val);
class HexDump
{
public:
HexDump(const void *buf, size_t size, size_t bytesPerLine=16);
inline ~HexDump();
inline HexDump& setBytesPerLine(size_t bytesPerLine);
inline HexDump& setSingleLineCutoff(int32_t bytes);
inline HexDump& setAlignment(size_t alignment);
inline HexDump& setCArrayStyle(bool enabled);
inline const void* buffer() const;
inline size_t size() const;
inline size_t bytesPerLine() const;
inline int32_t singleLineCutoff() const;
inline size_t alignment() const;
inline bool carrayStyle() const;
private:
const void* mBuffer;
size_t mSize;
size_t mBytesPerLine;
int32_t mSingleLineCutoff;
size_t mAlignment;
bool mCArrayStyle;
};
TextOutput& operator<<(TextOutput& to, const HexDump& val);
inline TextOutput& operator<<(TextOutput& to,
decltype(std::endl<char,
std::char_traits<char>>)
/*val*/) {
endl(to);
return to;
}
inline TextOutput& operator<<(TextOutput& to, const char &c)
{
to.print(&c, 1);
return to;
}
inline TextOutput& operator<<(TextOutput& to, const bool &val)
{
if (val) to.print("true", 4);
else to.print("false", 5);
return to;
}
inline TextOutput& operator<<(TextOutput& to, const String16& val)
{
to << String8(val).string();
return to;
}
// ---------------------------------------------------------------------------
// No user servicable parts below.
inline TextOutput& endl(TextOutput& to)
{
to.print("\n", 1);
return to;
}
inline TextOutput& indent(TextOutput& to)
{
to.moveIndent(1);
return to;
}
inline TextOutput& dedent(TextOutput& to)
{
to.moveIndent(-1);
return to;
}
inline TextOutput& operator<<(TextOutput& to, TextOutputManipFunc func)
{
return (*func)(to);
}
inline TypeCode::TypeCode(uint32_t code) : mCode(code) { }
inline TypeCode::~TypeCode() { }
inline uint32_t TypeCode::typeCode() const { return mCode; }
inline HexDump::~HexDump() { }
inline HexDump& HexDump::setBytesPerLine(size_t bytesPerLine) {
mBytesPerLine = bytesPerLine; return *this;
}
inline HexDump& HexDump::setSingleLineCutoff(int32_t bytes) {
mSingleLineCutoff = bytes; return *this;
}
inline HexDump& HexDump::setAlignment(size_t alignment) {
mAlignment = alignment; return *this;
}
inline HexDump& HexDump::setCArrayStyle(bool enabled) {
mCArrayStyle = enabled; return *this;
}
inline const void* HexDump::buffer() const { return mBuffer; }
inline size_t HexDump::size() const { return mSize; }
inline size_t HexDump::bytesPerLine() const { return mBytesPerLine; }
inline int32_t HexDump::singleLineCutoff() const { return mSingleLineCutoff; }
inline size_t HexDump::alignment() const { return mAlignment; }
inline bool HexDump::carrayStyle() const { return mCArrayStyle; }
// ---------------------------------------------------------------------------
} // namespace android
|
