summary refs log tree commit diff stats
path: root/doc/pydoc/ranger.container.history.html
diff options
context:
space:
mode:
authorhut <hut@lavabit.com>2010-04-06 03:53:56 +0200
committerhut <hut@lavabit.com>2010-04-06 03:53:56 +0200
commitfdd3b1923fca1a0815e8001a3ef10a1e6cad55b1 (patch)
treed97447a38ba6a5191a7027f998c8af7b47395b0f /doc/pydoc/ranger.container.history.html
parente08abbe803a3ff1814c9c5db1dea55ee8ca99571 (diff)
downloadranger-fdd3b1923fca1a0815e8001a3ef10a1e6cad55b1.tar.gz
core.actions: Added some structure and comments
Diffstat (limited to 'doc/pydoc/ranger.container.history.html')
0 files changed, 0 insertions, 0 deletions
 

generated by cgit-pink 1.4.1-2-gfad0 (git 2.36.2.497.gbbea4dcf42) at 2024-12-20 17:12:36 +0000


 


 title='Blame the previous revision' href='/akspecs/ranger/blame/ranger/ext/utfwidth.py?id=8c8e7282b3b4238a3b7cf981d9e5715b11076419'>^







e6dda13a ^

a5cd2dee ^

ccbe8b8d ^

9e435dcd ^

473daebb ^

a5cd2dee ^



ccbe8b8d ^


9e435dcd ^


ccbe8b8d ^

9e435dcd ^

































637fc4a1 ^

8c8e7282 ^

473daebb ^








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

























                                                                       









                                                            
 









                                                              
 





                                                         
                                   






                                 
 
 
                           
                                                    
                                    


                                 

                             

                                       
                           
































                                                                      
                                    
 





                                                                    
# -*- encoding: utf8 -*-
# Copyright (C) 2009, 2010  Roman Zimbelmann <romanz@lavabit.com>
# Copyright (C) 2004, 2005  Timo Hirvonen
#
# 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/>.
#
# ----
# This file contains portions of code from cmus (uchar.c).

NARROW = 1
WIDE = 2

def uwid(string):
	"""Return the width of a string"""
	end = len(string)
	i = 0
	width = 0
	while i < end:
		bytelen = utf_byte_length(string[i:])
		width += utf_char_width(string[i:i+bytelen])
		i += bytelen
	return width

def uchars(string):
	"""Return a list with one string for each character"""
	end = len(string)
	i = 0
	result = []
	while i < end:
		bytelen = utf_byte_length(string[i:])
		result.append(string[i:i+bytelen])
		i += bytelen
	return result

def utf_byte_length(string):
	"""Return the byte length of one utf character"""
	firstord = ord(string[0])
	if firstord < 0b01111111:
		return 1
	if firstord < 0b10111111:
		return 1  # invalid
	if firstord < 0b11011111:
		return 2
	if firstord < 0b11101111:
		return 3
	if firstord < 0b11110100:
		return 4
	return 1  # invalid


def utf_char_width(string):
	"""Return the width of a single character"""
	u = _utf_char_to_int(string)
	return utf_char_width_(u)

def utf_char_width_(u):
	if u < 0x1100:
		return NARROW
	# Hangul Jamo init. constonants
	if u <= 0x115F:
		return WIDE
	# Angle Brackets
	if u == 0x2329 or u == 0x232A:
		return WIDE
	if u < 0x2e80:
		return NARROW
	# CJK ... Yi
	if u < 0x302A:
		return WIDE
	if u <= 0x302F:
		return NARROW
	if u == 0x303F or u == 0x3099 or u == 0x309a:
		return NARROW
	# CJK ... Yi
	if u <= 0xA4CF:
		return WIDE
	# Hangul Syllables
	if u >= 0xAC00 and u <= 0xD7A3:
		return WIDE
	# CJK Compatibility Ideographs
	if u >= 0xF900 and u <= 0xFAFF:
		return WIDE
	# CJK Compatibility Forms
	if u >= 0xFE30 and u <= 0xFE6F:
		return WIDE
	# Fullwidth Forms
	if u >= 0xFF00 and u <= 0xFF60 or u >= 0xFFE0 and u <= 0xFFE6:
		return WIDE
	# CJK Extra Stuff
	if u >= 0x20000 and u <= 0x2FFFD:
		return WIDE
	# ?
	if u >= 0x30000 and u <= 0x3FFFD:
		return WIDE
	return NARROW  # invalid (?)

def _utf_char_to_int(string):
	# Squash the last 6 bits of each byte together to an integer
	u = 0
	for c in string:
		u = (u << 6) | (ord(c) & 0b00111111)
	return u