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annotate mercurial/utils/stringutil.py @ 37086:f99d64e8a4e4

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stringutil: move generic string helpers to new module Per https://phab.mercurial-scm.org/D2903#46738 URL and file paths functions are left since they are big enough to make separate modules.
author Yuya Nishihara <yuya@tcha.org>
date Thu, 22 Mar 2018 21:19:31 +0900
parents mercurial/util.py@1a1d1c44b570
children f8e1f48de118
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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37086
f99d64e8a4e4 stringutil: move generic string helpers to new module
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1 # stringutil.py - utility for generic string formatting, parsing, etc.
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2 #
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3 # Copyright 2005 K. Thananchayan <thananck@yahoo.com>
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4 # Copyright 2005-2007 Matt Mackall <mpm@selenic.com>
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5 # Copyright 2006 Vadim Gelfer <vadim.gelfer@gmail.com>
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6 #
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7 # This software may be used and distributed according to the terms of the
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8 # GNU General Public License version 2 or any later version.
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9
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10 from __future__ import absolute_import
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11
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12 import codecs
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13 import re as remod
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14 import textwrap
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15
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16 from ..i18n import _
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17
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18 from .. import (
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19 encoding,
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20 error,
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21 pycompat,
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22 )
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23
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24 _DATA_ESCAPE_MAP = {pycompat.bytechr(i): br'\x%02x' % i for i in range(256)}
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25 _DATA_ESCAPE_MAP.update({
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26 b'\\': b'\\\\',
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27 b'\r': br'\r',
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28 b'\n': br'\n',
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29 })
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30 _DATA_ESCAPE_RE = remod.compile(br'[\x00-\x08\x0a-\x1f\\\x7f-\xff]')
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31
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32 def escapedata(s):
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33 if isinstance(s, bytearray):
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34 s = bytes(s)
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35
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36 return _DATA_ESCAPE_RE.sub(lambda m: _DATA_ESCAPE_MAP[m.group(0)], s)
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37
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38 def binary(s):
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39 """return true if a string is binary data"""
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40 return bool(s and '\0' in s)
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41
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42 def stringmatcher(pattern, casesensitive=True):
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43 """
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44 accepts a string, possibly starting with 're:' or 'literal:' prefix.
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45 returns the matcher name, pattern, and matcher function.
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46 missing or unknown prefixes are treated as literal matches.
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47
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48 helper for tests:
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49 >>> def test(pattern, *tests):
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50 ... kind, pattern, matcher = stringmatcher(pattern)
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51 ... return (kind, pattern, [bool(matcher(t)) for t in tests])
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52 >>> def itest(pattern, *tests):
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53 ... kind, pattern, matcher = stringmatcher(pattern, casesensitive=False)
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54 ... return (kind, pattern, [bool(matcher(t)) for t in tests])
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55
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56 exact matching (no prefix):
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57 >>> test(b'abcdefg', b'abc', b'def', b'abcdefg')
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58 ('literal', 'abcdefg', [False, False, True])
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59
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60 regex matching ('re:' prefix)
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61 >>> test(b're:a.+b', b'nomatch', b'fooadef', b'fooadefbar')
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62 ('re', 'a.+b', [False, False, True])
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63
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64 force exact matches ('literal:' prefix)
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65 >>> test(b'literal:re:foobar', b'foobar', b're:foobar')
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66 ('literal', 're:foobar', [False, True])
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67
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68 unknown prefixes are ignored and treated as literals
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69 >>> test(b'foo:bar', b'foo', b'bar', b'foo:bar')
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70 ('literal', 'foo:bar', [False, False, True])
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71
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72 case insensitive regex matches
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73 >>> itest(b're:A.+b', b'nomatch', b'fooadef', b'fooadefBar')
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74 ('re', 'A.+b', [False, False, True])
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75
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76 case insensitive literal matches
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77 >>> itest(b'ABCDEFG', b'abc', b'def', b'abcdefg')
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78 ('literal', 'ABCDEFG', [False, False, True])
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79 """
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80 if pattern.startswith('re:'):
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81 pattern = pattern[3:]
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82 try:
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83 flags = 0
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84 if not casesensitive:
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85 flags = remod.I
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86 regex = remod.compile(pattern, flags)
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87 except remod.error as e:
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88 raise error.ParseError(_('invalid regular expression: %s')
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89 % e)
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90 return 're', pattern, regex.search
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91 elif pattern.startswith('literal:'):
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92 pattern = pattern[8:]
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93
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94 match = pattern.__eq__
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95
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96 if not casesensitive:
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97 ipat = encoding.lower(pattern)
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98 match = lambda s: ipat == encoding.lower(s)
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99 return 'literal', pattern, match
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100
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101 def shortuser(user):
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102 """Return a short representation of a user name or email address."""
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103 f = user.find('@')
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104 if f >= 0:
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105 user = user[:f]
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106 f = user.find('<')
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107 if f >= 0:
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108 user = user[f + 1:]
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109 f = user.find(' ')
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110 if f >= 0:
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111 user = user[:f]
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112 f = user.find('.')
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113 if f >= 0:
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114 user = user[:f]
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115 return user
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116
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117 def emailuser(user):
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118 """Return the user portion of an email address."""
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119 f = user.find('@')
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120 if f >= 0:
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121 user = user[:f]
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122 f = user.find('<')
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123 if f >= 0:
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124 user = user[f + 1:]
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125 return user
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126
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127 def email(author):
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128 '''get email of author.'''
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129 r = author.find('>')
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130 if r == -1:
08a0f04b56bd many, many trivial check-code fixups
Matt Mackall <mpm@selenic.com>
parents: 10264
diff changeset
131 r = None
08a0f04b56bd many, many trivial check-code fixups
Matt Mackall <mpm@selenic.com>
parents: 10264
diff changeset
132 return author[author.find('<') + 1:r]
5975
75d9fe70c654 templater: move email function to util
Matt Mackall <mpm@selenic.com>
parents: 5949
diff changeset
133
3767
1861fa38a6a7 Move ellipsis code to util.ellipsis() and improve maxlength handling.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 3721
diff changeset
134 def ellipsis(text, maxlength=400):
21857
86c2d792a4b7 util: replace 'ellipsis' implementation by 'encoding.trim'
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 21813
diff changeset
135 """Trim string to at most maxlength (default: 400) columns in display."""
86c2d792a4b7 util: replace 'ellipsis' implementation by 'encoding.trim'
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 21813
diff changeset
136 return encoding.trim(text, maxlength, ellipsis='...')
3767
1861fa38a6a7 Move ellipsis code to util.ellipsis() and improve maxlength handling.
Thomas Arendsen Hein <thomas@intevation.de>
parents: 3721
diff changeset
137
31460
53865692a354 util: wrap s.encode('string_escape') call for future py3 compatibility
Yuya Nishihara <yuya@tcha.org>
parents: 31458
diff changeset
138 def escapestr(s):
31462
3b7a6941a6ef py3: call codecs.escape_encode() directly
Yuya Nishihara <yuya@tcha.org>
parents: 31460
diff changeset
139 # call underlying function of s.encode('string_escape') directly for
3b7a6941a6ef py3: call codecs.escape_encode() directly
Yuya Nishihara <yuya@tcha.org>
parents: 31460
diff changeset
140 # Python 3 compatibility
3b7a6941a6ef py3: call codecs.escape_encode() directly
Yuya Nishihara <yuya@tcha.org>
parents: 31460
diff changeset
141 return codecs.escape_encode(s)[0]
31460
53865692a354 util: wrap s.encode('string_escape') call for future py3 compatibility
Yuya Nishihara <yuya@tcha.org>
parents: 31458
diff changeset
142
31491
afb335353d28 util: wrap s.decode('string_escape') calls for future py3 compatibility
Yuya Nishihara <yuya@tcha.org>
parents: 31474
diff changeset
143 def unescapestr(s):
31492
cad95575dc46 py3: call codecs.escape_decode() directly
Yuya Nishihara <yuya@tcha.org>
parents: 31491
diff changeset
144 return codecs.escape_decode(s)[0]
31491
afb335353d28 util: wrap s.decode('string_escape') calls for future py3 compatibility
Yuya Nishihara <yuya@tcha.org>
parents: 31474
diff changeset
145
33708
1d5e497c08b3 py3: convert arbitrary exception object to byte string more reliably
Yuya Nishihara <yuya@tcha.org>
parents: 33691
diff changeset
146 def forcebytestr(obj):
1d5e497c08b3 py3: convert arbitrary exception object to byte string more reliably
Yuya Nishihara <yuya@tcha.org>
parents: 33691
diff changeset
147 """Portably format an arbitrary object (e.g. exception) into a byte
1d5e497c08b3 py3: convert arbitrary exception object to byte string more reliably
Yuya Nishihara <yuya@tcha.org>
parents: 33691
diff changeset
148 string."""
1d5e497c08b3 py3: convert arbitrary exception object to byte string more reliably
Yuya Nishihara <yuya@tcha.org>
parents: 33691
diff changeset
149 try:
1d5e497c08b3 py3: convert arbitrary exception object to byte string more reliably
Yuya Nishihara <yuya@tcha.org>
parents: 33691
diff changeset
150 return pycompat.bytestr(obj)
1d5e497c08b3 py3: convert arbitrary exception object to byte string more reliably
Yuya Nishihara <yuya@tcha.org>
parents: 33691
diff changeset
151 except UnicodeEncodeError:
1d5e497c08b3 py3: convert arbitrary exception object to byte string more reliably
Yuya Nishihara <yuya@tcha.org>
parents: 33691
diff changeset
152 # non-ascii string, may be lossy
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Yuya Nishihara <yuya@tcha.org>
parents: 33691
diff changeset
153 return pycompat.bytestr(encoding.strtolocal(str(obj)))
1d5e497c08b3 py3: convert arbitrary exception object to byte string more reliably
Yuya Nishihara <yuya@tcha.org>
parents: 33691
diff changeset
154
5291
23651848d638 extdiff: avoid repr() doubling paths backslashes under Windows
Patrick Mezard <pmezard@gmail.com>
parents: 5213
diff changeset
155 def uirepr(s):
23651848d638 extdiff: avoid repr() doubling paths backslashes under Windows
Patrick Mezard <pmezard@gmail.com>
parents: 5213
diff changeset
156 # Avoid double backslash in Windows path repr()
36299
1fa33bd848ee py3: fix bytes-unicode dance while building docstring of extdiff
Yuya Nishihara <yuya@tcha.org>
parents: 36272
diff changeset
157 return pycompat.byterepr(pycompat.bytestr(s)).replace(b'\\\\', b'\\')
7547
4949729ee9ee python implementation of diffstat
Alexander Solovyov <piranha@piranha.org.ua>
parents: 7537
diff changeset
158
13316
d119403fd266 util: delay loading of textwrap
Matt Mackall <mpm@selenic.com>
parents: 13313
diff changeset
159 # delay import of textwrap
37082
736024df4498 util: mark MBTextWrapper as private
Yuya Nishihara <yuya@tcha.org>
parents: 37081
diff changeset
160 def _MBTextWrapper(**kwargs):
13316
d119403fd266 util: delay loading of textwrap
Matt Mackall <mpm@selenic.com>
parents: 13313
diff changeset
161 class tw(textwrap.TextWrapper):
d119403fd266 util: delay loading of textwrap
Matt Mackall <mpm@selenic.com>
parents: 13313
diff changeset
162 """
15066
24efa83d81cb i18n: calculate terminal columns by width information of each characters
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 15065
diff changeset
163 Extend TextWrapper for width-awareness.
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FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 15065
diff changeset
164
24efa83d81cb i18n: calculate terminal columns by width information of each characters
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 15065
diff changeset
165 Neither number of 'bytes' in any encoding nor 'characters' is
24efa83d81cb i18n: calculate terminal columns by width information of each characters
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 15065
diff changeset
166 appropriate to calculate terminal columns for specified string.
12957
9f2ac318b92e util: clarify purpose of MBTextWrapper class
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents: 12938
diff changeset
167
15066
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FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 15065
diff changeset
168 Original TextWrapper implementation uses built-in 'len()' directly,
24efa83d81cb i18n: calculate terminal columns by width information of each characters
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 15065
diff changeset
169 so overriding is needed to use width information of each characters.
12957
9f2ac318b92e util: clarify purpose of MBTextWrapper class
Nicolas Dumazet <nicdumz.commits@gmail.com>
parents: 12938
diff changeset
170
15066
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FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 15065
diff changeset
171 In addition, characters classified into 'ambiguous' width are
17424
e7cfe3587ea4 fix trivial spelling errors
Mads Kiilerich <mads@kiilerich.com>
parents: 17391
diff changeset
172 treated as wide in East Asian area, but as narrow in other.
15066
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FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 15065
diff changeset
173
24efa83d81cb i18n: calculate terminal columns by width information of each characters
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 15065
diff changeset
174 This requires use decision to determine width of such characters.
13316
d119403fd266 util: delay loading of textwrap
Matt Mackall <mpm@selenic.com>
parents: 13313
diff changeset
175 """
15065
24a6c3f903bb util: wrap lines with multi-byte characters correctly (issue2943)
Mads Kiilerich <mads@kiilerich.com>
parents: 15024
diff changeset
176 def _cutdown(self, ucstr, space_left):
13316
d119403fd266 util: delay loading of textwrap
Matt Mackall <mpm@selenic.com>
parents: 13313
diff changeset
177 l = 0
15066
24efa83d81cb i18n: calculate terminal columns by width information of each characters
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 15065
diff changeset
178 colwidth = encoding.ucolwidth
13316
d119403fd266 util: delay loading of textwrap
Matt Mackall <mpm@selenic.com>
parents: 13313
diff changeset
179 for i in xrange(len(ucstr)):
15066
24efa83d81cb i18n: calculate terminal columns by width information of each characters
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 15065
diff changeset
180 l += colwidth(ucstr[i])
13316
d119403fd266 util: delay loading of textwrap
Matt Mackall <mpm@selenic.com>
parents: 13313
diff changeset
181 if space_left < l:
15065
24a6c3f903bb util: wrap lines with multi-byte characters correctly (issue2943)
Mads Kiilerich <mads@kiilerich.com>
parents: 15024
diff changeset
182 return (ucstr[:i], ucstr[i:])
24a6c3f903bb util: wrap lines with multi-byte characters correctly (issue2943)
Mads Kiilerich <mads@kiilerich.com>
parents: 15024
diff changeset
183 return ucstr, ''
11297
d320e70442a5 replace Python standard textwrap by MBCS sensitive one for i18n text
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 11256
diff changeset
184
13316
d119403fd266 util: delay loading of textwrap
Matt Mackall <mpm@selenic.com>
parents: 13313
diff changeset
185 # overriding of base class
d119403fd266 util: delay loading of textwrap
Matt Mackall <mpm@selenic.com>
parents: 13313
diff changeset
186 def _handle_long_word(self, reversed_chunks, cur_line, cur_len, width):
d119403fd266 util: delay loading of textwrap
Matt Mackall <mpm@selenic.com>
parents: 13313
diff changeset
187 space_left = max(width - cur_len, 1)
11297
d320e70442a5 replace Python standard textwrap by MBCS sensitive one for i18n text
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 11256
diff changeset
188
13316
d119403fd266 util: delay loading of textwrap
Matt Mackall <mpm@selenic.com>
parents: 13313
diff changeset
189 if self.break_long_words:
d119403fd266 util: delay loading of textwrap
Matt Mackall <mpm@selenic.com>
parents: 13313
diff changeset
190 cut, res = self._cutdown(reversed_chunks[-1], space_left)
d119403fd266 util: delay loading of textwrap
Matt Mackall <mpm@selenic.com>
parents: 13313
diff changeset
191 cur_line.append(cut)
d119403fd266 util: delay loading of textwrap
Matt Mackall <mpm@selenic.com>
parents: 13313
diff changeset
192 reversed_chunks[-1] = res
d119403fd266 util: delay loading of textwrap
Matt Mackall <mpm@selenic.com>
parents: 13313
diff changeset
193 elif not cur_line:
d119403fd266 util: delay loading of textwrap
Matt Mackall <mpm@selenic.com>
parents: 13313
diff changeset
194 cur_line.append(reversed_chunks.pop())
11297
d320e70442a5 replace Python standard textwrap by MBCS sensitive one for i18n text
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 11256
diff changeset
195
26201
c5b2074ae8c0 util: capitalize Python in MBTextWrapper._wrap_chunks comment
timeless@mozdev.org
parents: 26126
diff changeset
196 # this overriding code is imported from TextWrapper of Python 2.6
15066
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FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 15065
diff changeset
197 # to calculate columns of string by 'encoding.ucolwidth()'
24efa83d81cb i18n: calculate terminal columns by width information of each characters
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 15065
diff changeset
198 def _wrap_chunks(self, chunks):
24efa83d81cb i18n: calculate terminal columns by width information of each characters
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 15065
diff changeset
199 colwidth = encoding.ucolwidth
24efa83d81cb i18n: calculate terminal columns by width information of each characters
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 15065
diff changeset
200
24efa83d81cb i18n: calculate terminal columns by width information of each characters
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 15065
diff changeset
201 lines = []
24efa83d81cb i18n: calculate terminal columns by width information of each characters
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 15065
diff changeset
202 if self.width <= 0:
24efa83d81cb i18n: calculate terminal columns by width information of each characters
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 15065
diff changeset
203 raise ValueError("invalid width %r (must be > 0)" % self.width)
24efa83d81cb i18n: calculate terminal columns by width information of each characters
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 15065
diff changeset
204
24efa83d81cb i18n: calculate terminal columns by width information of each characters
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 15065
diff changeset
205 # Arrange in reverse order so items can be efficiently popped
24efa83d81cb i18n: calculate terminal columns by width information of each characters
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 15065
diff changeset
206 # from a stack of chucks.
24efa83d81cb i18n: calculate terminal columns by width information of each characters
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 15065
diff changeset
207 chunks.reverse()
24efa83d81cb i18n: calculate terminal columns by width information of each characters
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 15065
diff changeset
208
24efa83d81cb i18n: calculate terminal columns by width information of each characters
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 15065
diff changeset
209 while chunks:
24efa83d81cb i18n: calculate terminal columns by width information of each characters
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 15065
diff changeset
210
24efa83d81cb i18n: calculate terminal columns by width information of each characters
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 15065
diff changeset
211 # Start the list of chunks that will make up the current line.
24efa83d81cb i18n: calculate terminal columns by width information of each characters
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 15065
diff changeset
212 # cur_len is just the length of all the chunks in cur_line.
24efa83d81cb i18n: calculate terminal columns by width information of each characters
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 15065
diff changeset
213 cur_line = []
24efa83d81cb i18n: calculate terminal columns by width information of each characters
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 15065
diff changeset
214 cur_len = 0
24efa83d81cb i18n: calculate terminal columns by width information of each characters
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 15065
diff changeset
215
24efa83d81cb i18n: calculate terminal columns by width information of each characters
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 15065
diff changeset
216 # Figure out which static string will prefix this line.
24efa83d81cb i18n: calculate terminal columns by width information of each characters
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 15065
diff changeset
217 if lines:
24efa83d81cb i18n: calculate terminal columns by width information of each characters
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 15065
diff changeset
218 indent = self.subsequent_indent
24efa83d81cb i18n: calculate terminal columns by width information of each characters
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 15065
diff changeset
219 else:
24efa83d81cb i18n: calculate terminal columns by width information of each characters
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 15065
diff changeset
220 indent = self.initial_indent
24efa83d81cb i18n: calculate terminal columns by width information of each characters
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 15065
diff changeset
221
24efa83d81cb i18n: calculate terminal columns by width information of each characters
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 15065
diff changeset
222 # Maximum width for this line.
24efa83d81cb i18n: calculate terminal columns by width information of each characters
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 15065
diff changeset
223 width = self.width - len(indent)
24efa83d81cb i18n: calculate terminal columns by width information of each characters
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 15065
diff changeset
224
24efa83d81cb i18n: calculate terminal columns by width information of each characters
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 15065
diff changeset
225 # First chunk on line is whitespace -- drop it, unless this
17424
e7cfe3587ea4 fix trivial spelling errors
Mads Kiilerich <mads@kiilerich.com>
parents: 17391
diff changeset
226 # is the very beginning of the text (i.e. no lines started yet).
32560
47ce079b1afa util: look for empty-sysstr instead of empty-bytesstr in textwrap code
Augie Fackler <raf@durin42.com>
parents: 32496
diff changeset
227 if self.drop_whitespace and chunks[-1].strip() == r'' and lines:
15066
24efa83d81cb i18n: calculate terminal columns by width information of each characters
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 15065
diff changeset
228 del chunks[-1]
24efa83d81cb i18n: calculate terminal columns by width information of each characters
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 15065
diff changeset
229
24efa83d81cb i18n: calculate terminal columns by width information of each characters
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 15065
diff changeset
230 while chunks:
24efa83d81cb i18n: calculate terminal columns by width information of each characters
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 15065
diff changeset
231 l = colwidth(chunks[-1])
24efa83d81cb i18n: calculate terminal columns by width information of each characters
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 15065
diff changeset
232
24efa83d81cb i18n: calculate terminal columns by width information of each characters
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 15065
diff changeset
233 # Can at least squeeze this chunk onto the current line.
24efa83d81cb i18n: calculate terminal columns by width information of each characters
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 15065
diff changeset
234 if cur_len + l <= width:
24efa83d81cb i18n: calculate terminal columns by width information of each characters
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 15065
diff changeset
235 cur_line.append(chunks.pop())
24efa83d81cb i18n: calculate terminal columns by width information of each characters
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 15065
diff changeset
236 cur_len += l
24efa83d81cb i18n: calculate terminal columns by width information of each characters
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 15065
diff changeset
237
24efa83d81cb i18n: calculate terminal columns by width information of each characters
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 15065
diff changeset
238 # Nope, this line is full.
24efa83d81cb i18n: calculate terminal columns by width information of each characters
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 15065
diff changeset
239 else:
24efa83d81cb i18n: calculate terminal columns by width information of each characters
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 15065
diff changeset
240 break
24efa83d81cb i18n: calculate terminal columns by width information of each characters
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 15065
diff changeset
241
24efa83d81cb i18n: calculate terminal columns by width information of each characters
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 15065
diff changeset
242 # The current line is full, and the next chunk is too big to
24efa83d81cb i18n: calculate terminal columns by width information of each characters
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 15065
diff changeset
243 # fit on *any* line (not just this one).
24efa83d81cb i18n: calculate terminal columns by width information of each characters
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 15065
diff changeset
244 if chunks and colwidth(chunks[-1]) > width:
24efa83d81cb i18n: calculate terminal columns by width information of each characters
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 15065
diff changeset
245 self._handle_long_word(chunks, cur_line, cur_len, width)
24efa83d81cb i18n: calculate terminal columns by width information of each characters
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 15065
diff changeset
246
24efa83d81cb i18n: calculate terminal columns by width information of each characters
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 15065
diff changeset
247 # If the last chunk on this line is all whitespace, drop it.
24efa83d81cb i18n: calculate terminal columns by width information of each characters
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 15065
diff changeset
248 if (self.drop_whitespace and
32560
47ce079b1afa util: look for empty-sysstr instead of empty-bytesstr in textwrap code
Augie Fackler <raf@durin42.com>
parents: 32496
diff changeset
249 cur_line and cur_line[-1].strip() == r''):
15066
24efa83d81cb i18n: calculate terminal columns by width information of each characters
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 15065
diff changeset
250 del cur_line[-1]
24efa83d81cb i18n: calculate terminal columns by width information of each characters
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 15065
diff changeset
251
24efa83d81cb i18n: calculate terminal columns by width information of each characters
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 15065
diff changeset
252 # Convert current line back to a string and store it in list
24efa83d81cb i18n: calculate terminal columns by width information of each characters
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 15065
diff changeset
253 # of all lines (return value).
24efa83d81cb i18n: calculate terminal columns by width information of each characters
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 15065
diff changeset
254 if cur_line:
32579
3b8155305fbe util: use sysstr.join instead of bytes.join in textwrap wrapper
Augie Fackler <raf@durin42.com>
parents: 32560
diff changeset
255 lines.append(indent + r''.join(cur_line))
15066
24efa83d81cb i18n: calculate terminal columns by width information of each characters
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 15065
diff changeset
256
24efa83d81cb i18n: calculate terminal columns by width information of each characters
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 15065
diff changeset
257 return lines
24efa83d81cb i18n: calculate terminal columns by width information of each characters
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 15065
diff changeset
258
37082
736024df4498 util: mark MBTextWrapper as private
Yuya Nishihara <yuya@tcha.org>
parents: 37081
diff changeset
259 global _MBTextWrapper
736024df4498 util: mark MBTextWrapper as private
Yuya Nishihara <yuya@tcha.org>
parents: 37081
diff changeset
260 _MBTextWrapper = tw
13316
d119403fd266 util: delay loading of textwrap
Matt Mackall <mpm@selenic.com>
parents: 13313
diff changeset
261 return tw(**kwargs)
11297
d320e70442a5 replace Python standard textwrap by MBCS sensitive one for i18n text
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 11256
diff changeset
262
12698
7aef77e74cf3 util: make wrap() require a width argument
Matt Mackall <mpm@selenic.com>
parents: 12689
diff changeset
263 def wrap(line, width, initindent='', hangindent=''):
11297
d320e70442a5 replace Python standard textwrap by MBCS sensitive one for i18n text
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 11256
diff changeset
264 maxindent = max(len(hangindent), len(initindent))
d320e70442a5 replace Python standard textwrap by MBCS sensitive one for i18n text
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 11256
diff changeset
265 if width <= maxindent:
9417
4c3fb45123e5 util, minirst: do not crash with COLUMNS=0
Martin Geisler <mg@lazybytes.net>
parents: 9397
diff changeset
266 # adjust for weird terminal size
11297
d320e70442a5 replace Python standard textwrap by MBCS sensitive one for i18n text
FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents: 11256
diff changeset
267 width = max(78, maxindent + 1)
31347
a9a28ca17615 util: pass encoding.[encoding|encodingmode] as unicodes
Pulkit Goyal <7895pulkit@gmail.com>
parents: 31324
diff changeset
268 line = line.decode(pycompat.sysstr(encoding.encoding),
37083
bad90b80b315 util: adjust indent level in wrap()
Yuya Nishihara <yuya@tcha.org>
parents: 37082
diff changeset
269 pycompat.sysstr(encoding.encodingmode))
31347
a9a28ca17615 util: pass encoding.[encoding|encodingmode] as unicodes
Pulkit Goyal <7895pulkit@gmail.com>
parents: 31324
diff changeset
270 initindent = initindent.decode(pycompat.sysstr(encoding.encoding),
37083
bad90b80b315 util: adjust indent level in wrap()
Yuya Nishihara <yuya@tcha.org>
parents: 37082
diff changeset
271 pycompat.sysstr(encoding.encodingmode))
31347
a9a28ca17615 util: pass encoding.[encoding|encodingmode] as unicodes
Pulkit Goyal <7895pulkit@gmail.com>
parents: 31324
diff changeset
272 hangindent = hangindent.decode(pycompat.sysstr(encoding.encoding),
37083
bad90b80b315 util: adjust indent level in wrap()
Yuya Nishihara <yuya@tcha.org>
parents: 37082
diff changeset
273 pycompat.sysstr(encoding.encodingmode))
37082
736024df4498 util: mark MBTextWrapper as private
Yuya Nishihara <yuya@tcha.org>
parents: 37081
diff changeset
274 wrapper = _MBTextWrapper(width=width,
736024df4498 util: mark MBTextWrapper as private
Yuya Nishihara <yuya@tcha.org>
parents: 37081
diff changeset
275 initial_indent=initindent,
736024df4498 util: mark MBTextWrapper as private
Yuya Nishihara <yuya@tcha.org>
parents: 37081
diff changeset
276 subsequent_indent=hangindent)
31347
a9a28ca17615 util: pass encoding.[encoding|encodingmode] as unicodes
Pulkit Goyal <7895pulkit@gmail.com>
parents: 31324
diff changeset
277 return wrapper.fill(line).encode(pycompat.sysstr(encoding.encoding))
8938
9b8c9266c59d commands: wrap short descriptions in 'hg help'
Martin Geisler <mg@lazybytes.net>
parents: 8785
diff changeset
278
12088
1f71dffabc53 parsebool: accept always as true and never as false
Augie Fackler <durin42@gmail.com>
parents: 12087
diff changeset
279 _booleans = {'1': True, 'yes': True, 'true': True, 'on': True, 'always': True,
1f71dffabc53 parsebool: accept always as true and never as false
Augie Fackler <durin42@gmail.com>
parents: 12087
diff changeset
280 '0': False, 'no': False, 'false': False, 'off': False,
1f71dffabc53 parsebool: accept always as true and never as false
Augie Fackler <durin42@gmail.com>
parents: 12087
diff changeset
281 'never': False}
12087
a88a4720c2f0 parsebool: create new function and use it for config parsing
Augie Fackler <durin42@gmail.com>
parents: 12086
diff changeset
282
a88a4720c2f0 parsebool: create new function and use it for config parsing
Augie Fackler <durin42@gmail.com>
parents: 12086
diff changeset
283 def parsebool(s):
a88a4720c2f0 parsebool: create new function and use it for config parsing
Augie Fackler <durin42@gmail.com>
parents: 12086
diff changeset
284 """Parse s into a boolean.
a88a4720c2f0 parsebool: create new function and use it for config parsing
Augie Fackler <durin42@gmail.com>
parents: 12086
diff changeset
285
a88a4720c2f0 parsebool: create new function and use it for config parsing
Augie Fackler <durin42@gmail.com>
parents: 12086
diff changeset
286 If s is not a valid boolean, returns None.
a88a4720c2f0 parsebool: create new function and use it for config parsing
Augie Fackler <durin42@gmail.com>
parents: 12086
diff changeset
287 """
a88a4720c2f0 parsebool: create new function and use it for config parsing
Augie Fackler <durin42@gmail.com>
parents: 12086
diff changeset
288 return _booleans.get(s.lower(), None)