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QtVersionNumber: Make it smaller and faster

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This yields 1% speedup on total startup with -noload Welcome

Change-Id: Ib3f1e45032c4a2dbe21ae86a1df65d118f89cba1
Reviewed-by: hjk <hjk121@nokiamail.com>
This commit is contained in:
hjk
2013-04-19 16:29:23 +02:00
parent fe2fa21405
commit 893eb51c75
2 changed files with 7 additions and 36 deletions
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41
src/plugins/qtsupport/baseqtversion.cpp
View File

@@ -76,15 +76,9 @@ QtVersionNumber::QtVersionNumber(int ma, int mi, int p)
QtVersionNumber::QtVersionNumber(const QString &versionString)
{
if (!checkVersionString(versionString)) {
if (::sscanf(versionString.toLatin1().constData(), "%d.%d.%d",
&majorVersion, &minorVersion, &patchVersion) != 3)
majorVersion = minorVersion = patchVersion = -1;
return;
}
QStringList parts = versionString.split(QLatin1Char('.'));
majorVersion = parts.at(0).toInt();
minorVersion = parts.at(1).toInt();
patchVersion = parts.at(2).toInt();
}
QtVersionNumber::QtVersionNumber()
@@ -92,34 +86,13 @@ QtVersionNumber::QtVersionNumber()
majorVersion = minorVersion = patchVersion = -1;
}
bool QtVersionNumber::checkVersionString(const QString &version) const
{
int dots = 0;
const QString validChars = QLatin1String("0123456789.");
foreach (const QChar &c, version) {
if (!validChars.contains(c))
return false;
if (c == QLatin1Char('.'))
++dots;
}
if (dots != 2)
return false;
return true;
}
bool QtVersionNumber::operator <(const QtVersionNumber &b) const
{
if (majorVersion < b.majorVersion)
return true;
if (majorVersion > b.majorVersion)
return false;
if (minorVersion < b.minorVersion)
return true;
if (minorVersion > b.minorVersion)
return false;
if (patchVersion < b.patchVersion)
return true;
return false;
if (majorVersion != b.majorVersion)
return majorVersion < b.majorVersion;
if (minorVersion != b.minorVersion)
return minorVersion < b.minorVersion;
return patchVersion < b.patchVersion;
}
bool QtVersionNumber::operator >(const QtVersionNumber &b) const

2
src/plugins/qtsupport/baseqtversion.h
View File

@@ -79,8 +79,6 @@ public:
bool operator >=(const QtVersionNumber &b) const;
bool operator !=(const QtVersionNumber &b) const;
bool operator ==(const QtVersionNumber &b) const;
private:
bool checkVersionString(const QString &version) const;
};
namespace Internal { class QtOptionsPageWidget; }