Difference between revisions of "Utf8.next"

From GiderosMobile
Line 10: Line 10:
 
(varies) = utf8.next(s,charpos,offset)
 
(varies) = utf8.next(s,charpos,offset)
 
</source>
 
</source>
'''s''': (string)  ''''''<br/>
+
=== Parameters ===
 +
'''s''': (string)  <br/>
 
'''charpos''': (number)  '''optional'''<br/>
 
'''charpos''': (number)  '''optional'''<br/>
 
'''offset''': (number)  '''optional'''<br/>
 
'''offset''': (number)  '''optional'''<br/>
 +
=== Return values ===
 
'''Returns''' (varies) next iteration<br/>
 
'''Returns''' (varies) next iteration<br/>

Revision as of 11:36, 23 August 2018

Available since: Gideros 2016.06

Description

Iterate though the UTF-8 string s. If only s is given, it can used as a iterator: for pos, code in utf8.next, "utf8-string" do -- ... end if only charpos is given, return the next byte offset of in string. if charpos and offset is given, a new charpos will calculate, by add/subtract UTF-8 char offset to current charpos. in all case, it return a new char position (in bytes), and code point (a number) at this position.

(varies) = utf8.next(s,charpos,offset)

Parameters

s: (string)
charpos: (number) optional
offset: (number) optional

Return values

Returns (varies) next iteration