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
|
/* <!-- copyright */
/*
* aria2 - The high speed download utility
*
* Copyright (C) 2013 Nils Maier
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* In addition, as a special exception, the copyright holders give
* permission to link the code of portions of this program with the
* OpenSSL library under certain conditions as described in each
* individual source file, and distribute linked combinations
* including the two.
* You must obey the GNU General Public License in all respects
* for all of the code used other than OpenSSL. If you modify
* file(s) with this exception, you may extend this exception to your
* version of the file(s), but you are not obligated to do so. If you
* do not wish to do so, delete this exception statement from your
* version. If you delete this exception statement from all source
* files in the program, then also delete it here.
*/
/* copyright --> */
#ifndef D_COLORIZED_STREAM_H
#define D_COLORIZED_STREAM_H
#include <string>
#include <sstream>
#include <deque>
#include "config.h"
namespace aria2 {
namespace colors {
class Color {
private:
std::string str_;
public:
explicit Color(const char* str) : str_(std::string("\033[") + str + "m") {}
const std::string& str() const { return str_; }
};
extern const Color black;
extern const Color red;
extern const Color green;
extern const Color yellow;
extern const Color blue;
extern const Color magenta;
extern const Color cyan;
extern const Color white;
extern const Color lightred;
extern const Color lightgreen;
extern const Color lightyellow;
extern const Color lightblue;
extern const Color lightmagenta;
extern const Color lightcyan;
extern const Color lightwhite;
extern const Color clear;
} // namespace colors
typedef std::char_traits<char> traits_t;
class ColorizedStreamBuf : public std::basic_streambuf<char, traits_t> {
enum part_t { eColor, eString };
typedef std::pair<part_t, std::string> elem_t;
typedef std::deque<elem_t> elems_t;
elems_t elems;
public:
ColorizedStreamBuf() { elems.push_back(std::make_pair(eString, "")); }
void setColor(const colors::Color& color)
{
elems.push_back(std::make_pair(eColor, color.str()));
elems.push_back(std::make_pair(eString, ""));
}
traits_t::int_type overflow(traits_t::int_type c) CXX11_OVERRIDE
{
elems.back().second.push_back((char)c);
return std::char_traits<char>::not_eof(c);
}
void append(const std::string& str) { elems.back().second += str; }
void append(const char* str) { elems.back().second += str; }
std::string str(bool color) const;
std::string str(bool color, size_t max) const;
};
class ColorizedStream : public std::basic_ostream<char, traits_t> {
public:
ColorizedStream()
: std::basic_ios<char, traits_t>(&buf),
std::basic_ostream<char, traits_t>(&buf)
{
init(&buf);
}
void setColor(const colors::Color& color) { buf.setColor(color); }
void append(const std::string& str) { buf.append(str); }
void append(const char* str) { buf.append(str); }
std::string str(bool colors) const { return buf.str(colors); }
std::string str(bool colors, size_t max) const
{
return buf.str(colors, max);
}
private:
ColorizedStreamBuf buf;
};
inline ColorizedStream& operator<<(ColorizedStream& stream,
const std::string& str)
{
stream.append(str);
return stream;
}
inline ColorizedStream& operator<<(ColorizedStream& stream, const char* str)
{
stream.append(str);
return stream;
}
inline ColorizedStream& operator<<(ColorizedStream& stream,
const colors::Color& c)
{
stream.setColor(c);
return stream;
}
} // namespace aria2
#endif // D_COLORIZED_STREAM_H
|
