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
|
/**************************************************************************
* Copyright (C) 2011 by Eugene V. Lyubimkin *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License *
* (version 3 or above) as published by the Free Software Foundation. *
* *
* 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 GPL *
* along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA *
**************************************************************************/
#include <unistd.h>
#include <cstdlib>
#include "colorizer.hpp"
namespace {
const string noColor = "\e[0m";
bool guessColorSupport() {
if (isatty(STDOUT_FILENO))
{
const char* term = getenv("TERM");
if (term)
{
if (strcmp(term, "xterm") == 0 ||
strncmp(term, "xterm-", 6) == 0 ||
strcmp(term, "linux") == 0)
{
return true;
}
}
}
return false;
}
}
Colorizer::Colorizer(const Config& config)
{
const string optionName("cupt::console::use-colors");
const auto strValue = config.getString(optionName);
__enabled = (strValue == "auto" ? guessColorSupport() : config.getBool(optionName));
}
string Colorizer::makeBold(const string& input) const
{
if (__enabled)
{
return string("\e[1m") + input + noColor;
}
else
{
return input;
}
}
string Colorizer::colorize(const string& input, Color color, bool bold) const
{
if (color == Default)
{
return bold ? makeBold(input) : input;
}
if (__enabled)
{
auto boldPrefix = bold ? "1;" : "";
return format2("\e[%s3%cm", boldPrefix, color) + input + noColor;
}
else
{
return input;
}
}
bool Colorizer::enabled() const
{
return __enabled;
}
|
