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 09:29, 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