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
|
/*
* Copyright (C) 2004, 2008 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef TextStream_h
#define TextStream_h
#include <wtf/Forward.h>
#include <wtf/text/StringBuilder.h>
namespace WebCore {
class LayoutUnit;
class TextStream {
public:
struct FormatNumberRespectingIntegers {
FormatNumberRespectingIntegers(double number) : value(number) { }
double value;
};
enum class LineMode { SingleLine, MultipleLine };
TextStream(LineMode lineMode = LineMode::MultipleLine)
: m_multiLineMode(lineMode == LineMode::MultipleLine)
{
}
WEBCORE_EXPORT TextStream& operator<<(bool);
WEBCORE_EXPORT TextStream& operator<<(int);
WEBCORE_EXPORT TextStream& operator<<(unsigned);
WEBCORE_EXPORT TextStream& operator<<(long);
WEBCORE_EXPORT TextStream& operator<<(unsigned long);
WEBCORE_EXPORT TextStream& operator<<(long long);
WEBCORE_EXPORT TextStream& operator<<(LayoutUnit);
WEBCORE_EXPORT TextStream& operator<<(unsigned long long);
WEBCORE_EXPORT TextStream& operator<<(float);
WEBCORE_EXPORT TextStream& operator<<(double);
WEBCORE_EXPORT TextStream& operator<<(const char*);
WEBCORE_EXPORT TextStream& operator<<(const void*);
WEBCORE_EXPORT TextStream& operator<<(const String&);
WEBCORE_EXPORT TextStream& operator<<(const FormatNumberRespectingIntegers&);
template<typename T>
void dumpProperty(const String& name, const T& value)
{
TextStream& ts = *this;
ts.startGroup();
ts << name << " " << value;
ts.endGroup();
}
WEBCORE_EXPORT String release();
WEBCORE_EXPORT void startGroup();
WEBCORE_EXPORT void endGroup();
WEBCORE_EXPORT void nextLine(); // Output newline and indent.
WEBCORE_EXPORT void increaseIndent() { ++m_indent; }
WEBCORE_EXPORT void decreaseIndent() { --m_indent; ASSERT(m_indent >= 0); }
WEBCORE_EXPORT void writeIndent();
class GroupScope {
public:
GroupScope(TextStream& ts)
: m_stream(ts)
{
m_stream.startGroup();
}
~GroupScope()
{
m_stream.endGroup();
}
private:
TextStream& m_stream;
};
private:
StringBuilder m_text;
int m_indent { 0 };
bool m_multiLineMode { true };
};
template<typename Item>
TextStream& operator<<(TextStream& ts, const Vector<Item>& vector)
{
ts << "[";
unsigned size = vector.size();
for (unsigned i = 0; i < size; ++i) {
ts << vector[i];
if (i < size - 1)
ts << ", ";
}
return ts << "]";
}
void writeIndent(TextStream&, int indent);
}
#endif
|
