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Utils: Introduce FileName::fileName()

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* Replacement for QFileInfo::fileName()
* Supports additional path components

Change-Id: I2b3e3dfb02617c8f98f1d67e16396bed97f97526
Reviewed-by: Nikolai Kosjar <nikolai.kosjar@theqtcompany.com>
Reviewed-by: Eike Ziller <eike.ziller@theqtcompany.com>
This commit is contained in:
Orgad Shaneh
2015-01-10 23:23:15 +02:00
committed by Orgad Shaneh
parent e7a18108e1
commit 97d957e3e3
3 changed files with 67 additions and 0 deletions
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24
src/libs/utils/fileutils.cpp
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@@ -560,6 +560,30 @@ QString FileName::toUserOutput() const
return QDir::toNativeSeparators(toString());
}
QString FileName::fileName(int pathComponents) const
{
if (pathComponents < 0)
return *this;
const QChar slash = QLatin1Char('/');
QTC_CHECK(!endsWith(slash));
int i = lastIndexOf(slash);
if (pathComponents == 0 || i == -1)
return mid(i + 1);
int component = i + 1;
// skip adjacent slashes
while (i > 0 && at(--i) == slash);
while (i >= 0 && --pathComponents >= 0) {
i = lastIndexOf(slash, i);
component = i + 1;
while (i > 0 && at(--i) == slash);
}
// If there are no more slashes before the found one, return the entire string
if (i > 0 && lastIndexOf(slash, i) != -1)
return mid(component);
return *this;
}
/// \returns a bool indicating whether a file with this
/// FileName exists.
bool FileName::exists() const