Difference between revisions of "Utf8.next"
From GiderosMobile
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'''Available since:''' Gideros 2016.06<br/> | '''Available since:''' Gideros 2016.06<br/> | ||
=== Description === | === Description === | ||
| − | Iterate though the UTF-8 string s. If only s is given, it can used as a iterator: | + | <translate>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 | for pos, code in utf8.next, "utf8-string" do | ||
-- ... | -- ... | ||
end | 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. | + | 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.</translate> |
<source lang="lua"> | <source lang="lua"> | ||
(varies) = utf8.next(s,charpos,offset) | (varies) = utf8.next(s,charpos,offset) | ||
</source> | </source> | ||
=== Parameters === | === Parameters === | ||
| − | '''s''': (string) | + | '''s''': (string) <translate></translate> <br/> |
| − | '''charpos''': (number) | + | '''charpos''': (number) <translate></translate> '''optional'''<br/> |
| − | '''offset''': (number) | + | '''offset''': (number) <translate></translate> '''optional'''<br/> |
=== Return values === | === Return values === | ||
| − | '''Returns''' (varies) next iteration<br/> | + | '''Returns''' (varies) <translate>next iteration</translate><br/> |
Revision as of 13:32, 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
