ReverseGeoLocate/reverse-geolocate
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Fix string length calculate for double byte characters

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Clemens Schwaighofer
2018-03-16 18:38:41 +09:00
parent e5bf0914c6
commit 508da722af
1 changed files with 12 additions and 5 deletions
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17
bin/reverse_geolocate.py
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@@ -383,11 +383,18 @@ def shortenString(string, width, placeholder='..'):
string_len_cjk = stringLenCJK(str(string)) string_len_cjk = stringLenCJK(str(string))
# if double byte width is too big # if double byte width is too big
if string_len_cjk > width: if string_len_cjk > width:
# substract the place holder # set current length and output string
# subtract difference between double byte and character lenght cur_len = 0
width -= ((string_len_cjk - len(str(string))) + len(placeholder)) out_string = ''
# return string width new width # loop through each character
return "{}{}".format(str(string)[:width], placeholder) for char in str(string):
# set the current length if we add the character
cur_len += 2 if unicodedata.east_asian_width(char) in "WF" else 1
# if the new length is smaller than the output length to shorten too add the char
if cur_len <= (width - len(placeholder)):
out_string += char
# return string with new width and placeholder
return "{}{}".format(out_string, placeholder)
else: else:
return str(string) return str(string)