Difference between revisions of "Utf8.widthindex"
From GiderosMobile
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__NOTOC__ | __NOTOC__ | ||
'''<translate>Available since</translate>:''' Gideros 2016.06<br/> | '''<translate>Available since</translate>:''' Gideros 2016.06<br/> | ||
| + | '''<translate>Class</translate>:''' [[Special:MyLanguage/utf8|utf8]]<br/> | ||
=== <translate>Description</translate> === | === <translate>Description</translate> === | ||
<translate>Return the character index at given location in string s. this is a reverse operation of utf8.width(). this function return a index of location, and a offset in in UTF-8 encoding. e.g. if cursor is at the second column (middle) of the wide char, offset will be 2. the width of character at idx is returned, also.</translate> | <translate>Return the character index at given location in string s. this is a reverse operation of utf8.width(). this function return a index of location, and a offset in in UTF-8 encoding. e.g. if cursor is at the second column (middle) of the wide char, offset will be 2. the width of character at idx is returned, also.</translate> | ||
Revision as of 10:29, 24 August 2018
Available since: Gideros 2016.06
Class: utf8
Description
Return the character index at given location in string s. this is a reverse operation of utf8.width(). this function return a index of location, and a offset in in UTF-8 encoding. e.g. if cursor is at the second column (middle) of the wide char, offset will be 2. the width of character at idx is returned, also.
(number) = utf8.widthindex(s,location,ambi_is_double,default_width)
Parameters
s: (string)
location: (number)
ambi_is_double: (boolean) optional
default_width: (number) optional
Return values
Returns (number) character index at given location
