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FileIteratorWrapper: simplify the code

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Setting m_status to BaseIteratorEnd should only be done in hasNext(),
because the latter is always called first, before any other member
function.

Change-Id: Ie55518a850655730fb760226d58c4fb171a7f2e1
Reviewed-by: Marcus Tillmanns <marcus.tillmanns@qt.io>
This commit is contained in:
Ahmad Samir
2024-03-06 20:20:28 +02:00
parent ad446d5689
commit 1ddc71fcda
1 changed files with 11 additions and 23 deletions
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34
src/libs/utils/fsengine/fileiteratordevicesappender.h
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@@ -47,8 +47,6 @@ public:
if (m_status == State::Ended)
return QString();
checkStatus();
if (m_status == State::BaseIteratorEnd) {
m_status = State::Ended;
return FilePath::specialRootName();
@@ -62,27 +60,26 @@ public:
return false;
setPath();
checkStatus();
if (m_status == State::BaseIteratorEnd)
const bool res = m_baseIterator->hasNext();
if (m_status == State::IteratingRoot && !res) {
// m_baseIterator finished, but we need to advance one last time, so that
// e.g. next() and currentFileName() return FilePath::specialRootPath().
m_status = State::BaseIteratorEnd;
return true;
}
return m_baseIterator->hasNext();
return res;
}
QString currentFileName() const override
{
if (m_status == State::Ended)
return FilePath::specialRootPath();
checkStatus();
return m_baseIterator->currentFileName();
return m_status == State::Ended ? FilePath::specialRootPath()
: m_baseIterator->currentFileName();
}
QFileInfo currentFileInfo() const override
{
if (m_status == State::Ended)
return QFileInfo(FilePath::specialRootPath());
checkStatus();
return m_baseIterator->currentFileInfo();
return m_status == State::Ended ? QFileInfo(FilePath::specialRootPath())
: m_baseIterator->currentFileInfo();
}
private:
@@ -106,15 +103,6 @@ private:
}
}
void checkStatus() const
{
if (m_status == State::IteratingRoot) {
if (m_baseIterator->hasNext() == false) {
m_status = State::BaseIteratorEnd;
}
}
}
private:
std::unique_ptr<QAbstractFileEngineIterator> m_baseIterator;
mutable bool m_hasSetPath{false};