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Correct the usage of std::string and QString

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QStrings shouldn't be == "" to check for empty string, use .isEmpty()
QStrings shouldn't be != "" to check for non empty, use .size()
std::string shouldn't be cleared with = "", use .clear()

Signed-off-by: Tomaz Canabrava <tomaz.canabrava@intel.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
This commit is contained in:
Tomaz Canabrava 2014-05-10 21:37:18 -03:00 committed by Dirk Hohndel
parent 3b7624ff46
commit cf848e5233
5 changed files with 18 additions and 18 deletions
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2
qt-gui.cpp
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@ -372,7 +372,7 @@ int parseTemperatureToMkelvin(const QString &text)
int mkelvin;
QString numOnly = text;
numOnly.replace(",", ".").remove(QRegExp("[^-0-9.]"));
if (numOnly == "")
if (numOnly.isEmpty())
return 0;
double number = numOnly.toDouble();
switch (prefs.units.temperature) {

18
qt-ui/exif.cpp
View file

@ -525,15 +525,15 @@ int EXIFInfo::parseFromEXIFSegment(const unsigned char *buf, unsigned len)
void EXIFInfo::clear()
{
// Strings
ImageDescription = "";
Make = "";
Model = "";
Software = "";
DateTime = "";
DateTimeOriginal = "";
DateTimeDigitized = "";
SubSecTimeOriginal = "";
Copyright = "";
ImageDescription.clear();
Make.clear();
Model.clear();
Software.clear();
DateTime.clear();
DateTimeOriginal.clear();
DateTimeDigitized.clear();
SubSecTimeOriginal.clear();
Copyright.clear();
// Shorts / unsigned / double
ByteAlign = 0;

4
qt-ui/globe.cpp
View file

@ -48,11 +48,11 @@ GlobeGPS::GlobeGPS(QWidget *parent) : MarbleWidget(parent),
QDir marble;
if (!list.contains("earth/googlesat/googlesat.dgml")) {
subsurfaceDataPath = getSubsurfaceDataPath("marbledata");
if (subsurfaceDataPath != "") {
if (subsurfaceDataPath.size()) {
MarbleDirs::setMarbleDataPath(subsurfaceDataPath);
} else {
subsurfaceDataPath = getSubsurfaceDataPath("data");
if (subsurfaceDataPath != "")
if (subsurfaceDataPath.size())
MarbleDirs::setMarbleDataPath(subsurfaceDataPath);
}
}

2
qt-ui/usermanual.cpp
View file

@ -30,7 +30,7 @@ UserManual::UserManual(QWidget *parent) : QMainWindow(parent),
ui->webView->page()->setLinkDelegationPolicy(QWebPage::DelegateExternalLinks);
QString searchPath = getSubsurfaceDataPath("Documentation");
if (searchPath != "") {
if (searchPath.size()) {
QUrl url(searchPath.append("/user-manual.html"));
ui->webView->setUrl(url);
} else {

10
qthelper.cpp
View file

@ -66,17 +66,17 @@ const DiveComputerNode *DiveComputerList::get(QString m)
void DiveComputerList::addDC(QString m, uint32_t d, QString n, QString s, QString f)
{
if (m == "" || d == 0)
if (m.isEmpty() || d == 0)
return;
const DiveComputerNode *existNode = this->getExact(m, d);
DiveComputerNode newNode(m, d, s, f, n);
if (existNode) {
if (newNode.changesValues(*existNode)) {
if (n != "" && existNode->nickName != n)
if (n.size() && existNode->nickName != n)
qDebug("new nickname %s for DC model %s deviceId 0x%x", n.toUtf8().data(), m.toUtf8().data(), d);
if (f != "" && existNode->firmware != f)
if (f.size() && existNode->firmware != f)
qDebug("new firmware version %s for DC model %s deviceId 0x%x", f.toUtf8().data(), m.toUtf8().data(), d);
if (s != "" && existNode->serialNumber != s)
if (s.size() && existNode->serialNumber != s)
qDebug("new serial number %s for DC model %s deviceId 0x%x", s.toUtf8().data(), m.toUtf8().data(), d);
} else {
return;
@ -127,7 +127,7 @@ bool parseGpsText(const QString &gps_text, double *latitude, double *longitude)
trHemisphere[3] = MainWindow::instance()->information()->trHemisphere("W");
QString regExp;
/* an empty string is interpreted as 0.0,0.0 and therefore "no gps location" */
if (gps_text.trimmed() == "") {
if (gps_text.trimmed().isEmpty()) {
*latitude = 0.0;
*longitude = 0.0;
return true;