I believe I found a serious documentation error in the TransService
interface. TransService.hpp says, in the definition of TranscodeFrom:
* @param srcData the source buffer to be transcoded
* @param srcCount number of characters in the source buffer
* @param toFill the destination buffer
* @param maxChars the max number of characters in the destination
buffer
I am using the UCS-4 transcoder in a test. I wanted to transcode 4 UCS-4
characters, so I passed 4 as the second parameter (counting characters, not
bytes). It returned a single UTF-16 character, as if it had interpreted my 4
as a number of bytes (one UCS-4 character, so it output the single
corresponding UTF-16 character.)
Changing the second parameter to 16 made it output all 4 UTF-16 characters.
Now this calls into question the fourth parameter of TranscodeFrom as well
as the corresponding parameters of TranscodeTo. As I continue my test, I
imagine I'll discover whether you mean characters or bytes in each case.
For now, I'm just reporting a bug.
dan
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