AuroraMiddleware/qt5base-lts
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

QString: refactor remove(QChar, Qt::CaseSensitivity)

Browse Source 
Change-Id: I0e38e9fd00d81aea6e779012beabdfb29695bd43
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>
This commit is contained in:
Ahmad Samir 2022-10-25 09:35:29 +02:00
parent f41089ba3d
commit ed7e57973a
1 changed files with 16 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

30
src/corelib/text/qstring.cpp
View File

@ -3407,20 +3407,22 @@ QString &QString::remove(QLatin1StringView str, Qt::CaseSensitivity cs)
QString &QString::remove(QChar ch, Qt::CaseSensitivity cs)
{
const qsizetype idx = indexOf(ch, 0, cs);
if (idx != -1) {
const auto first = begin(); // implicit detach()
auto last = end();
if (cs == Qt::CaseSensitive) {
last = std::remove(first + idx, last, ch);
} else {
const QChar c = ch.toCaseFolded();
auto caseInsensEqual = [c](QChar x) {
return c == x.toCaseFolded();
};
last = std::remove_if(first + idx, last, caseInsensEqual);
}
resize(last - first);
}
if (idx == -1)
return *this;
const bool isCase = cs == Qt::CaseSensitive;
ch = isCase ? ch : ch.toCaseFolded();
auto match = [ch, isCase](QChar x) {
return ch == (isCase ? x : x.toCaseFolded());
};
detach();
auto begin = d.begin();
auto first_match = begin + idx;
auto end = d.end();
auto it = std::remove_if(first_match, end, match);
d->erase(it, std::distance(it, end));
d.data()[d.size] = u'\0';
return *this;
}