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
|
/*************************************************************************
** Terminal.cpp **
** **
** This file is part of dvisvgm -- the DVI to SVG converter **
** Copyright (C) 2005-2010 Martin Gieseking <martin.gieseking@uos.de> **
** **
** 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 3 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, see <http://www.gnu.org/licenses/>. **
*************************************************************************/
#include "Terminal.h"
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#ifdef HAVE_TERMIOS_H
#include <termios.h>
#endif
#ifdef GWINSZ_IN_SYS_IOCTL
#include <sys/ioctl.h>
#endif
#ifdef __WIN32__
#include <windows.h>
#endif
#include <cstdio>
using namespace std;
#ifdef __WIN32__
int Terminal::_defaultColor;
const int Terminal::RED = FOREGROUND_RED;
const int Terminal::GREEN = FOREGROUND_GREEN;
const int Terminal::BLUE = FOREGROUND_BLUE;
#else
const int Terminal::RED = 1;
const int Terminal::GREEN = 2;
const int Terminal::BLUE = 4;
#endif
const int Terminal::CYAN = GREEN|BLUE;
const int Terminal::YELLOW = RED|GREEN;
const int Terminal::MAGENTA = RED|BLUE;
const int Terminal::WHITE = RED|GREEN|BLUE;
const int Terminal::DEFAULT = -1;
const int Terminal::BLACK = 0;
void Terminal::init (ostream &os) {
#ifdef __WIN32__
HANDLE h = GetStdHandle(STD_OUTPUT_HANDLE);
if (h != INVALID_HANDLE_VALUE) {
CONSOLE_SCREEN_BUFFER_INFO info;
GetConsoleScreenBufferInfo(h, &info);
_defaultColor = (info.wAttributes & 0xff);
}
#endif
}
void Terminal::finish (ostream &os) {
color(DEFAULT, false, os);
}
/** Returns the number of terminal columns (number of characters per row).
* If it's not possible to retrieve information about the terminal size, 0 is returned. */
int Terminal::columns () {
#if defined(TIOCGWINSZ)
struct winsize ws;
if (ioctl(fileno(stderr), TIOCGWINSZ, &ws) < 0)
return 0;
return ws.ws_col;
#elif defined(__WIN32__)
CONSOLE_SCREEN_BUFFER_INFO info;
if (!GetConsoleScreenBufferInfo(GetStdHandle(STD_ERROR_HANDLE), &info))
return 0;
return info.dwSize.X;
#else
return 0;
#endif
}
/** Returns the number of terminal rows.
* If it's not possible to retrieve information about the terminal size, 0 is returned. */
int Terminal::rows () {
#if defined(TIOCGWINSZ)
struct winsize ws;
if (ioctl(fileno(stderr), TIOCGWINSZ, &ws) < 0)
return 0;
return ws.ws_row;
#elif defined(__WIN32__)
CONSOLE_SCREEN_BUFFER_INFO info;
if (!GetConsoleScreenBufferInfo(GetStdHandle(STD_ERROR_HANDLE), &info))
return 0;
return info.dwSize.Y;
#else
return 0;
#endif
}
void Terminal::color (int color, bool light, ostream &os) {
#ifdef __WIN32__
HANDLE h = GetStdHandle(STD_OUTPUT_HANDLE);
if (h != INVALID_HANDLE_VALUE) {
if (color == DEFAULT)
color = _defaultColor;
else {
CONSOLE_SCREEN_BUFFER_INFO info;
GetConsoleScreenBufferInfo(h, &info);
color = (info.wAttributes & 0xf0) | (color & 0x07);
if (light)
color |= FOREGROUND_INTENSITY;
}
SetConsoleTextAttribute(h, (DWORD)color);
}
#else
if (color == DEFAULT)
os << "\x1B[0m";
else
os << "\x1B[" << (light ? '1': '0') << ';' << (30+(color & 0x07)) << 'm';
#endif
}
void Terminal::bgcolor (int color, bool light, ostream &os) {
#ifdef __WIN32__
HANDLE h = GetStdHandle(STD_OUTPUT_HANDLE);
if (h != INVALID_HANDLE_VALUE) {
if (color == DEFAULT)
color = _defaultColor;
else {
CONSOLE_SCREEN_BUFFER_INFO info;
GetConsoleScreenBufferInfo(h, &info);
color = (info.wAttributes & 0x0f) | ((color & 0x07) << 4);
if (light)
color |= BACKGROUND_INTENSITY;
}
SetConsoleTextAttribute(h, (DWORD)color);
}
#else
if (color == DEFAULT)
os << "\x1B[0m";
else
os << "\x1B[" << (40+(color & 0x07)) << 'm';
#endif
}
|
