2 # -*- coding: utf-8 -*-
4 # color.py - remove/replace colors in WeeChat strings
6 # Copyright (C) 2011-2013 Sebastien Helleu <flashcode@flashtux.org>
8 # This file is part of QWeeChat, a Qt remote GUI for WeeChat.
10 # QWeeChat is free software; you can redistribute it and/or modify
11 # it under the terms of the GNU General Public License as published by
12 # the Free Software Foundation; either version 3 of the License, or
13 # (at your option) any later version.
15 # QWeeChat is distributed in the hope that it will be useful,
16 # but WITHOUT ANY WARRANTY; without even the implied warranty of
17 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 # GNU General Public License for more details.
20 # You should have received a copy of the GNU General Public License
21 # along with QWeeChat. If not, see <http://www.gnu.org/licenses/>.
26 RE_COLOR_ATTRS
= r
'[*!/_|]*'
27 RE_COLOR_STD
= r
'(?:%s\d{2})' % RE_COLOR_ATTRS
28 RE_COLOR_EXT
= r
'(?:@%s\d{5})' % RE_COLOR_ATTRS
29 RE_COLOR_ANY
= r
'(?:%s|%s)' % (RE_COLOR_STD
, RE_COLOR_EXT
)
30 # \x19: color code, \x1A: set attribute, \x1B: remove attribute, \x1C: reset
31 RE_COLOR
= re
.compile(r
'(\x19(?:\d{2}|F%s|B\d{2}|B@\d{5}|\\*%s(,%s)?|@\d{5}|b.|\x1C))|\x1A.|\x1B.|\x1C'
32 % (RE_COLOR_ANY
, RE_COLOR_ANY
, RE_COLOR_ANY
))
35 '000000cd000000cd00cdcd000000cdcd00cd00cdcde5e5e54d4d4dff000000ff00ffff000000ffff00ff00ffffffffff' \
36 '00000000002a0000550000800000aa0000d4002a00002a2a002a55002a80002aaa002ad400550000552a005555005580' \
37 '0055aa0055d400800000802a0080550080800080aa0080d400aa0000aa2a00aa5500aa8000aaaa00aad400d40000d42a' \
38 '00d45500d48000d4aa00d4d42a00002a002a2a00552a00802a00aa2a00d42a2a002a2a2a2a2a552a2a802a2aaa2a2ad4' \
39 '2a55002a552a2a55552a55802a55aa2a55d42a80002a802a2a80552a80802a80aa2a80d42aaa002aaa2a2aaa552aaa80' \
40 '2aaaaa2aaad42ad4002ad42a2ad4552ad4802ad4aa2ad4d455000055002a5500555500805500aa5500d4552a00552a2a' \
41 '552a55552a80552aaa552ad455550055552a5555555555805555aa5555d455800055802a5580555580805580aa5580d4' \
42 '55aa0055aa2a55aa5555aa8055aaaa55aad455d40055d42a55d45555d48055d4aa55d4d480000080002a800055800080' \
43 '8000aa8000d4802a00802a2a802a55802a80802aaa802ad480550080552a8055558055808055aa8055d480800080802a' \
44 '8080558080808080aa8080d480aa0080aa2a80aa5580aa8080aaaa80aad480d40080d42a80d45580d48080d4aa80d4d4' \
45 'aa0000aa002aaa0055aa0080aa00aaaa00d4aa2a00aa2a2aaa2a55aa2a80aa2aaaaa2ad4aa5500aa552aaa5555aa5580' \
46 'aa55aaaa55d4aa8000aa802aaa8055aa8080aa80aaaa80d4aaaa00aaaa2aaaaa55aaaa80aaaaaaaaaad4aad400aad42a' \
47 'aad455aad480aad4aaaad4d4d40000d4002ad40055d40080d400aad400d4d42a00d42a2ad42a55d42a80d42aaad42ad4' \
48 'd45500d4552ad45555d45580d455aad455d4d48000d4802ad48055d48080d480aad480d4d4aa00d4aa2ad4aa55d4aa80' \
49 'd4aaaad4aad4d4d400d4d42ad4d455d4d480d4d4aad4d4d40808081212121c1c1c2626263030303a3a3a4444444e4e4e' \
50 '5858586262626c6c6c7676768080808a8a8a9494949e9e9ea8a8a8b2b2b2bcbcbcc6c6c6d0d0d0dadadae4e4e4eeeeee'
52 # WeeChat basic colors (color name, index in terminal colors)
53 WEECHAT_BASIC_COLORS
= (('default', 0), ('black', 0), ('darkgray', 8), ('red', 1),
54 ('lightred', 9), ('green', 2), ('lightgreen', 10), ('brown', 3),
55 ('yellow', 11), ('blue', 4), ('lightblue', 12), ('magenta', 5),
56 ('lightmagenta', 13), ('cyan', 6), ('lightcyan', 14), ('gray', 7),
60 def __init__(self
, color_options
, debug
=False):
61 self
.color_options
= color_options
64 def _rgb_color(self
, index
):
65 color
= TERMINAL_COLORS
[index
*6:(index
*6)+6]
66 r
= int(color
[0:2], 16) * 0.85
67 g
= int(color
[2:4], 16) * 0.85
68 b
= int(color
[4:6], 16) * 0.85
69 return '%02x%02x%02x' % (r
, g
, b
)
71 def _convert_weechat_color(self
, color
):
74 return '\x01(Fr%s)' % self
.color_options
[index
]
76 print('Error decoding WeeChat color "%s"' % color
)
79 def _convert_terminal_color(self
, fg_bg
, attrs
, color
):
82 return '\x01(%s%s#%s)' % (fg_bg
, attrs
, self
._rgb
_color
(index
))
84 print('Error decoding terminal color "%s"' % color
)
87 def _convert_color_attr(self
, fg_bg
, color
):
89 if color
[0].startswith('@'):
94 while color
.startswith(('*', '!', '/', '_', '|')):
100 return self
._convert
_terminal
_color
(fg_bg
, attrs
, color
)
103 return self
._convert
_terminal
_color
(fg_bg
, attrs
, WEECHAT_BASIC_COLORS
[index
][1])
105 print('Error decoding color "%s"' % color
)
108 def _attrcode_to_char(self
, code
):
109 codes
= { '\x01': '*', '\x02': '!', '\x03': '/', '\x04': '_' }
110 return codes
.get(code
, '')
112 def _convert_color(self
, match
):
113 color
= match
.group(0)
114 if color
[0] == '\x19':
118 elif color
[1] == '\x1C':
120 return '\x01(Fr)\x01(Br)'
121 elif color
[1] in ('F', 'B'):
122 # foreground or background
123 return self
._convert
_color
_attr
(color
[1], color
[2:])
124 elif color
[1] == '*':
125 # foreground with optional background
126 items
= color
[2:].split(',')
127 s
= self
._convert
_color
_attr
('F', items
[0])
129 s
+= self
._convert
_color
_attr
('B', items
[1])
131 elif color
[1] == '@':
132 # direct ncurses pair number, ignored
134 if color
[1:].isdigit():
135 return self
._convert
_weechat
_color
(int(color
[1:]))
138 elif color
[0] == '\x1A':
140 return '\x01(+%s)' % self
._attrcode
_to
_char
(color
[1])
141 elif color
[0] == '\x1B':
143 return '\x01(-%s)' % self
._attrcode
_to
_char
(color
[1])
144 elif color
[0] == '\x1C':
146 return '\x01(Fr)\x01(Br)'
147 # should never be executed!
148 return match
.group(0)
150 def _convert_color_debug(self
, match
):
151 group
= match
.group(0)
152 for code
in (0x01, 0x02, 0x03, 0x04, 0x19, 0x1A, 0x1B):
153 group
= group
.replace(chr(code
), '<x%02X>' % code
)
156 def convert(self
, text
):
160 return RE_COLOR
.sub(self
._convert
_color
_debug
, text
)
162 return RE_COLOR
.sub(self
._convert
_color
, text
)
165 """Remove colors in a WeeChat string."""
168 return re
.sub(RE_COLOR
, '', text
)