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Convert other users of showError() to the new world order

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The "report_error()" interface is a lot simpler, although some of the
C++ code uses QStrings which make them a bit annoying, especially for
the varargs model.  Still, even with the explicit conversion to UTF8 and
"char *", the report_error() model is much nicer.

This also just makes refreshDisplay() do the error reporting in the UI
automatically, so a number of error paths don't even have to worry.  And
the multi-line model of error reporting means that it all automatically
does the right thing, and reports errors for each file rather than just
for the last file that failed to open.

So this removes closer to a hundred lines of cruft, while being a
simpler interface and doing better error reporting.

Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
This commit is contained in:
Linus Torvalds 2014-03-14 11:26:07 -07:00 • committed by Dirk Hohndel
parent ec33a95ad0
commit 609715ab69
9 changed files with 96 additions and 174 deletions
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28
qt-ui/subsurfacewebservices.cpp
View file

@ -103,11 +103,11 @@ static void clear_table(struct dive_table *table)
table->nr = 0;
}
bool DivelogsDeWebServices::prepare_dives_for_divelogs(const QString &tempfile, const bool selected, QString *errorMsg)
bool DivelogsDeWebServices::prepare_dives_for_divelogs(const QString &tempfile, const bool selected)
{
static const char errPrefix[] = "divelog.de-upload:";
if (!amount_selected) {
*errorMsg = tr("no dives were selected");
report_error(tr("no dives were selected").toUtf8());
return false;
}
@ -126,8 +126,7 @@ bool DivelogsDeWebServices::prepare_dives_for_divelogs(const QString &tempfile,
if (!zip) {
char buffer[1024];
zip_error_to_str(buffer, sizeof buffer, error_code, errno);
*errorMsg = tr("failed to create zip file for upload: %1")
.arg(QString::fromLocal8Bit(buffer));
report_error(tr("failed to create zip file for upload: %s").toUtf8(), buffer);
return false;
}
@ -151,7 +150,7 @@ bool DivelogsDeWebServices::prepare_dives_for_divelogs(const QString &tempfile,
continue;
f = tmpfile();
if (!f) {
*errorMsg = tr("cannot create temporary file: %1").arg(qt_error_string());
report_error(tr("cannot create temporary file: %s").toUtf8(), qt_error_string().toUtf8().data());
goto error_close_zip;
}
save_dive(f, dive);
@ -161,7 +160,7 @@ bool DivelogsDeWebServices::prepare_dives_for_divelogs(const QString &tempfile,
membuf = (char *)malloc(streamsize + 1);
if (!membuf || (streamsize = fread(membuf, streamsize, 1, f)) == 0) {
*errorMsg = tr("internal error: %1").arg(qt_error_string());
report_error(tr("internal error: %s").toUtf8(), qt_error_string().toUtf8().data());
fclose(f);
free((void *)membuf);
goto error_close_zip;
@ -177,7 +176,7 @@ bool DivelogsDeWebServices::prepare_dives_for_divelogs(const QString &tempfile,
xmlDoc *doc = xmlReadMemory(membuf, streamsize, "divelog", NULL, 0);
if (!doc) {
qWarning() << errPrefix << "could not parse back into memory the XML file we've just created!";
*errorMsg = tr("internal error");
report_error(tr("internal error").toUtf8());
free((void *)membuf);
goto error_close_zip;
}
@ -328,7 +327,7 @@ void SubsurfaceWebServices::buttonClicked(QAbstractButton *button)
case QDialogButtonBox::ApplyRole: {
clear_table(&gps_location_table);
QByteArray url = tr("Webservice").toLocal8Bit();
parse_xml_buffer(url.data(), downloadedData.data(), downloadedData.length(), &gps_location_table, NULL, NULL);
parse_xml_buffer(url.data(), downloadedData.data(), downloadedData.length(), &gps_location_table, NULL);
/* now merge the data in the gps_location table into the dive_table */
if (merge_locations_into_dives()) {
@ -580,11 +579,9 @@ void DivelogsDeWebServices::downloadDives()
void DivelogsDeWebServices::prepareDivesForUpload()
{
QString errorText;
/* generate a random filename and create/open that file with zip_open */
QString filename = QDir::tempPath() + "/import-" + QString::number(qrand() % 99999999) + ".dld";
if (prepare_dives_for_divelogs(filename, true, &errorText)) {
if (prepare_dives_for_divelogs(filename, true)) {
QFile f(filename);
if (f.open(QIODevice::ReadOnly)) {
uploadDives((QIODevice *)&f);
@ -593,7 +590,7 @@ void DivelogsDeWebServices::prepareDivesForUpload()
return;
}
}
MainWindow::instance()->showError(errorText);
MainWindow::instance()->showError(get_error_string());
}
void DivelogsDeWebServices::uploadDives(QIODevice *dldContent)
@ -861,12 +858,7 @@ void DivelogsDeWebServices::buttonClicked(QAbstractButton *button)
break;
}
/* parse file and import dives */
char *error = NULL;
parse_file(QFile::encodeName(zipFile.fileName()), &error);
if (error != NULL) {
MainWindow::instance()->showError(error);
free(error);
}
parse_file(QFile::encodeName(zipFile.fileName()));
process_dives(true, false);
MainWindow::instance()->refreshDisplay();