[jira] [Reopened] (MINIFI-193) writeUTF doesn't properly allow UTF-8 encoding

["marco polo (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/MINIFI-193?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

marco polo reopened MINIFI-193:
-------------------------------

Issue not resolved. 

> writeUTF doesn't properly allow UTF-8 encoding
> ----------------------------------------------
>
>                 Key: MINIFI-193
>                 URL: https://issues.apache.org/jira/browse/MINIFI-193
>             Project: Apache NiFi MiNiFi
>          Issue Type: Bug
>          Components: C++
>    Affects Versions: 0.1.0
>            Reporter: marco polo
>            Assignee: marco polo
>            Priority: Blocker
>
> std::u16string should be used instead of std::string.
> The code that was copied and pasted into Provenance.cpp demonstrates this problem. 
> {code:title=Provenance.cpp|borderStyle=solid}
> for (int i = 0; i < inLength; i++) {
> 		int c = str.at(i);
> {code}
> Since the return of std::string::at is actually a car our max size is 0-255; however, JAVA char is represented as a 16 bit unicode character whose value can actually be > 0x07ff. We lose the data in translation if we were to use these functions. 



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