2015-10-28 20:57 GMT+01:00 Igor Mironchik <igor.mironc...@gmail.com>: > Hi, > > On 28.10.2015 22:50, Thiago Macieira wrote: >> >> On Wednesday 28 October 2015 22:37:06 Igor Mironchik wrote: >>> >>> Hi, >>> >>> Can I expect that values returned by QFile::size() and >>> QTextStream::pos() are equal when stream at end? >> >> It should be, but... >> >>> Or pos() of text stream can be smaller then size of file because, for >>> example, text stream uses 2 bytes for each character? >> >> The documentation says "Returns the device position corresponding to the >> current position of the stream", so it should account for the codec >> transformations. >> >> But since it's doing conversions along the way, there may be trouble. >> >> Why do you want to know this? Your question screams of the X-Y problem to >> me. > > > I want to calculate progress of file reading/parsing... > >> >>> Do I understand right that QTextStream::skipWhiteSpace() skips '_' and >>> '*' too? >> >> You can easily test this... >> >>> "bool QChar::isSpace() const >>> Returns true if the character is a separator character (Separator_* >>> categories or certain code points from Other_Control category); >>> otherwise returns false." >> >> 002A;ASTERISK;Po;0;ON;;;;;N;;;;; >> 002D;HYPHEN-MINUS;Pd;0;ES;;;;;N;;;;; >> >> Both have categories starting with P (Punctuation), so they're not >> Separator >> and they're not Other_Control. >> >> Why do you think '*' and '_' should be considered whitespace? They're not >> even >> blank... > > > Because of this sentence: > > Separator_* categories or certain code points from Other_Control category > > And I don't know how to understand this, especially _* in the sentence...
The * is just a wildcard, so it means all categories that starts with "Separator_". Elvis > > > -- > Best Regards, > Igor Mironchik. > > _______________________________________________ > Interest mailing list > Interest@qt-project.org > http://lists.qt-project.org/mailman/listinfo/interest _______________________________________________ Interest mailing list Interest@qt-project.org http://lists.qt-project.org/mailman/listinfo/interest