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Be more verbose if QT_LOGGING_DEBUG is set

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Pick-to: 6.7
Fixes: QTBUG-121380
Change-Id: Ieb977ada03aa0128cbaeee796f42508fd6db4031
Reviewed-by: Jarek Kobus <jaroslaw.kobus@qt.io>
This commit is contained in:
Kai Köhne 2024-01-23 16:04:15 +01:00
parent 32a1151245
commit 0616741288
1 changed files with 29 additions and 9 deletions
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38
src/corelib/io/qloggingregistry.cpp
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@ -244,20 +244,29 @@ QLoggingRegistry::QLoggingRegistry()
static bool qtLoggingDebug()
{
static const bool debugEnv = qEnvironmentVariableIsSet("QT_LOGGING_DEBUG");
static const bool debugEnv = [] {
bool debug = qEnvironmentVariableIsSet("QT_LOGGING_DEBUG");
if (debug)
debugMsg("QT_LOGGING_DEBUG environment variable is set.");
return debug;
}();
return debugEnv;
}
static QList<QLoggingRule> loadRulesFromFile(const QString &filePath)
{
if (qtLoggingDebug()) {
debugMsg("Checking \"%s\" for rules",
QDir::toNativeSeparators(filePath).toUtf8().constData());
}
QFile file(filePath);
if (file.open(QIODevice::ReadOnly | QIODevice::Text)) {
if (qtLoggingDebug())
debugMsg("Loading \"%s\" ...",
QDir::toNativeSeparators(file.fileName()).toUtf8().constData());
QTextStream stream(&file);
QLoggingSettingsParser parser;
parser.setContent(stream);
if (qtLoggingDebug())
debugMsg("Loaded %td rules", static_cast<ptrdiff_t>(parser.rules().size()));
return parser.rules();
}
return QList<QLoggingRule>();
@ -270,19 +279,30 @@ static QList<QLoggingRule> loadRulesFromFile(const QString &filePath)
*/
void QLoggingRegistry::initializeRules()
{
if (qtLoggingDebug()) {
debugMsg("Initializing the rules database ...");
debugMsg("Checking %s environment variable", "QTLOGGING_CONF");
}
QList<QLoggingRule> er, qr, cr;
// get rules from environment
const QByteArray rulesFilePath = qgetenv("QT_LOGGING_CONF");
if (!rulesFilePath.isEmpty())
er = loadRulesFromFile(QFile::decodeName(rulesFilePath));
if (qtLoggingDebug())
debugMsg("Checking %s environment variable", "QT_LOGGING_RULES");
const QByteArray rulesSrc = qgetenv("QT_LOGGING_RULES").replace(';', '\n');
if (!rulesSrc.isEmpty()) {
QTextStream stream(rulesSrc);
QLoggingSettingsParser parser;
parser.setImplicitRulesSection(true);
parser.setContent(stream);
er += parser.rules();
QTextStream stream(rulesSrc);
QLoggingSettingsParser parser;
parser.setImplicitRulesSection(true);
parser.setContent(stream);
if (qtLoggingDebug())
debugMsg("Loaded %td rules", static_cast<ptrdiff_t>(parser.rules().size()));
er += parser.rules();
}
const QString configFileName = QStringLiteral("qtlogging.ini");