Sun, 15 Mar 2009 05:20:08 -0400, newbee wrote: > Sergey Gromov Wrote: > >> Fri, 13 Mar 2009 15:04:12 -0400, newbee wrote: >> >>> How does one check for asciiz, utf ...? >>> I do get a buffer with characters as parameter in a function, but i >>> don�t know if it is asciiz or utf or wchar. Is it possible to find >>> out in dmd1 and dmd2? >> >> There is some redundancy in UTF-8 format so you can test if your string >> is a valid UTF-8 string. There is std.utf.validate() for you. Any >> ASCII string will also pass since ASCII is a special case of UTF-8. >> >> Not all code points are defined in Unicode. This means you can cast >> your string to wchar[] and then test every char using the >> std.utf.isValidDchar() function. If it fails, then you definitely not >> dealing with a valid wchar[] string, so test dchar[] similarly. >> >> Be prepared though that these tests will sometimes give you false >> positives. > > thank you kindly. this explanation really helped me. i will try that.
You're welcome. I just realized that there are wchar[] and dchar[] versions of std.utf.validate(). This should make your test really straight-forward.
