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Code Issues Projects Releases Wiki Activity

Fix Issue 337

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This commit is contained in:
Mmanu Chaturvedi 2018-04-05 12:41:28 -04:00
parent 5508c2f7df
commit b280a73124
2 changed files with 13 additions and 0 deletions
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11
cpplint/cpplint.py vendored
View File

@ -51,6 +51,7 @@ import sre_compile
import string
import sys
import unicodedata
import sysconfig
try:
xrange # Python 2
@ -4291,6 +4292,16 @@ def GetLineWidth(line):
if unicodedata.east_asian_width(uc) in ('W', 'F'):
width += 2
elif not unicodedata.combining(uc):
# Issue 337
# https://mail.python.org/pipermail/python-list/2012-August/628809.html
if (sys.version_info.major, sys.version_info.minor) <= (3, 2):
# https://github.com/python/cpython/blob/2.7/Include/unicodeobject.h#L81
is_wide_build = sysconfig.get_config_var("Py_UNICODE_SIZE") >= 4
# https://github.com/python/cpython/blob/2.7/Objects/unicodeobject.c#L564
is_low_surrogate = 0xDC00 <= ord(uc) <= 0xDFFF
if not is_wide_build and is_low_surrogate:
width -= 1
width += 1
return width
else:

2
cpplint/cpplint_unittest.py
View File

@ -321,6 +321,8 @@ class CpplintTest(CpplintTestBase):
self.assertEquals(0, cpplint.GetLineWidth(''))
self.assertEquals(10, cpplint.GetLineWidth(u'x' * 10))
self.assertEquals(16, cpplint.GetLineWidth(u'都|道|府|県|支庁'))
self.assertEquals(5 + 13 + 9, cpplint.GetLineWidth(
u'd𝐱/dt' + u'f : t ⨯ 𝐱 → ℝ' + u't ⨯ 𝐱 → ℝ'))
def testGetTextInside(self):
self.assertEquals('', cpplint._GetTextInside('fun()', r'fun\('))