[Octave-bug-tracker] [bug #49118] GUI editor cannot run file in folder name with umlaut

[Markus Mützel]

Follow-up Comment #39, bug #49118 (project octave):

Thank you very much for the feedback, Mike.

It was quite straight forward removing the C wrappers and introducing the
abstaction layer for fopen (see attached patch).
However, I am at a loss where the functionality for getting a UTF-16 wchar_t
from an Octave string should go. It would be nice to have something like
"wc_str" that would return a pointer to a wchar_t string corresponding to the
multi-byte string in std::string (like "c_str" does directly for char). Is
that what you meant? Where should something like that go? In the
octave_char_matrix class?
For the 8.3 paths: Is there already a class in Octave that is used for
representing file paths?

The conditionals in the file-ops header (still present) won't be needed
anymore when these two abstractions are implemented, I think.

I found that there is std::codecvt_utf8_utf16 in C++11. Thus, there is
probably an easy way to not rely on the WinAPI for the conversion between
UTF-8 (char, string) and UTF-16 (wchar_t, wstring). Is it OK to use features
that are not present in earlier versions of Standard C++?

(file #39058)
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Additional Item Attachment:

File name: bug49118_win32_wchar_t_API_v2.patch Size:10 KB


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