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QResource: use QStringView

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Saves 240B in QtCore text size on optimized GCC 7 Linux AMD64 builds.

Change-Id: Ifa7b8735027575fbe381896dce608b80ec458ee9
Reviewed-by: Olivier Goffart (Woboq GmbH) <ogoffart@woboq.com>
Reviewed-by: Anton Kudryavtsev <antkudr@mail.ru>
This commit is contained in:
Marc Mutz 2017-03-29 20:30:00 +02:00
parent 8d44bb2c54
commit 58f9629a48
1 changed files with 8 additions and 10 deletions
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18
src/corelib/io/qresource.cpp
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@ -66,10 +66,9 @@ QT_BEGIN_NAMESPACE
class QStringSplitter
{
public:
QStringSplitter(const QString &s)
: m_string(s), m_data(m_string.constData()), m_len(s.length()), m_pos(0)
explicit QStringSplitter(QStringView sv)
: m_data(sv.data()), m_len(sv.size())
{
m_splitChar = QLatin1Char('/');
}
inline bool hasNext() {
@ -78,18 +77,17 @@ public:
return m_pos < m_len;
}
inline QStringRef next() {
inline QStringView next() {
int start = m_pos;
while (m_pos < m_len && m_data[m_pos] != m_splitChar)
++m_pos;
return QStringRef(&m_string, start, m_pos - start);
return QStringView(m_data + start, m_pos - start);
}
QString m_string;
const QChar *m_data;
QChar m_splitChar;
int m_len;
int m_pos;
qssize_t m_len;
qssize_t m_pos = 0;
QChar m_splitChar = QLatin1Char('/');
};
@ -678,7 +676,7 @@ int QResourceRoot::findNode(const QString &_path, const QLocale &locale) const
QStringSplitter splitter(path);
while (child_count && splitter.hasNext()) {
QStringRef segment = splitter.next();
QStringView segment = splitter.next();
#ifdef DEBUG_RESOURCE_MATCH
qDebug() << " CHILDREN" << segment;