Revision control
++ // Copyright (C) 2016 The Qt Company Ltd.
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
++ // Qt-Security score:significant reason:default
++
++ #ifndef QLOGGINGCATEGORY_H
++ #define QLOGGINGCATEGORY_H
++
++ #include <QtCore/qglobal.h>
++ #include <QtCore/qdebug.h>
++
++ QT_BEGIN_NAMESPACE
++
++ class Q_CORE_EXPORT QLoggingCategory
++ {
++ Q_DISABLE_COPY(QLoggingCategory)
++ public:
++ explicit QLoggingCategory(const char *category, QtMsgType severityLevel = QtDebugMsg);
++ ~QLoggingCategory();
++
++ bool isEnabled(QtMsgType type) const;
++ void setEnabled(QtMsgType type, bool enable);
++
++ bool isDebugEnabled() const { return bools.enabledDebug.loadRelaxed(); }
++ bool isInfoEnabled() const { return bools.enabledInfo.loadRelaxed(); }
++ bool isWarningEnabled() const { return bools.enabledWarning.loadRelaxed(); }
++ bool isCriticalEnabled() const { return bools.enabledCritical.loadRelaxed(); }
++
++ const char *categoryName() const { return name; }
++
++ // allows usage of both factory method and variable in qCX macros
++ QLoggingCategory &operator()() { return *this; }
++ const QLoggingCategory &operator()() const { return *this; }
++
++ static QLoggingCategory *defaultCategory();
++
++ typedef void (*CategoryFilter)(QLoggingCategory*);
++ static CategoryFilter installFilter(CategoryFilter);
++
++ static void setFilterRules(const QString &rules);
++
++ private:
++ Q_DECL_UNUSED_MEMBER void *d = nullptr; // reserved for future use
++ const char *name = nullptr;
++
++ struct AtomicBools {
++ QBasicAtomicInteger<bool> enabledDebug;
++ QBasicAtomicInteger<bool> enabledWarning;
++ QBasicAtomicInteger<bool> enabledCritical;
++ QBasicAtomicInteger<bool> enabledInfo;
++ };
++ union {
++ AtomicBools bools;
++ QBasicAtomicInt enabled;
++ };
++ Q_DECL_UNUSED_MEMBER bool placeholder[4]; // reserved for future use
++
++ QT_DEFINE_TAG_STRUCT(UnregisteredInitialization);
++ explicit constexpr QLoggingCategory(UnregisteredInitialization, const char *category) noexcept;
++ friend class QLoggingRegistry;
++ };
++
++ namespace { // allow different TUs to have different QT_NO_xxx_OUTPUT
++ template <QtMsgType Which> struct QLoggingCategoryMacroHolder
++ {
++ static const bool IsOutputEnabled;
++ const QLoggingCategory *category = nullptr;
++ bool control = false;
++ explicit QLoggingCategoryMacroHolder(const QLoggingCategory &cat)
++ {
++ if (IsOutputEnabled)
++ init(cat);
++ }
++ void init(const QLoggingCategory &cat) noexcept
++ {
++ category = &cat;
++ // same as:
++ // control = cat.isEnabled(Which);
++ // but without an out-of-line call
++ if constexpr (Which == QtDebugMsg) {
++ control = cat.isDebugEnabled();
++ } else if constexpr (Which == QtInfoMsg) {
++ control = cat.isInfoEnabled();
++ } else if constexpr (Which == QtWarningMsg) {
++ control = cat.isWarningEnabled();
++ } else if constexpr (Which == QtCriticalMsg) {
++ control = cat.isCriticalEnabled();
++ } else if constexpr (Which == QtFatalMsg) {
++ control = true;
++ } else {
++ static_assert(QtPrivate::value_dependent_false<Which>(), "Unknown Qt message type");
++ }
++ }
++ const char *name() const { return category->categoryName(); }
++ explicit operator bool() const { return Q_UNLIKELY(control); }
++ };
++
++ template <QtMsgType Which> const bool QLoggingCategoryMacroHolder<Which>::IsOutputEnabled = true;
++ #if defined(QT_NO_DEBUG_OUTPUT)
++ template <> const bool QLoggingCategoryMacroHolder<QtDebugMsg>::IsOutputEnabled = false;
++ #endif
++ #if defined(QT_NO_INFO_OUTPUT)
++ template <> const bool QLoggingCategoryMacroHolder<QtInfoMsg>::IsOutputEnabled = false;
++ #endif
++ #if defined(QT_NO_WARNING_OUTPUT)
++ template <> const bool QLoggingCategoryMacroHolder<QtWarningMsg>::IsOutputEnabled = false;
++ #endif
++ } // unnamed namespace
++
++ #define QT_DECLARE_EXPORTED_QT_LOGGING_CATEGORY(name, export_macro) \
++ inline namespace QtPrivateLogging { export_macro const QLoggingCategory &name(); }
++
++ #ifdef QT_BUILDING_QT
++ #define Q_DECLARE_LOGGING_CATEGORY(name) \
++ inline namespace QtPrivateLogging { const QLoggingCategory &name(); }
++
++ #define Q_DECLARE_EXPORTED_LOGGING_CATEGORY(name, export_macro) \
++ inline namespace QtPrivateLogging { \
++ Q_DECL_DEPRECATED_X("Use QT_DECLARE_EXPORTED_QT_LOGGING_CATEGORY in Qt") \
++ export_macro const QLoggingCategory &name(); \
++ }
++
++ #define Q_LOGGING_CATEGORY_IMPL(name, ...) \
++ const QLoggingCategory &name() \
++ { \
++ static const QLoggingCategory category(__VA_ARGS__); \
++ return category; \
++ }
++
++ #define Q_LOGGING_CATEGORY(name, ...) \
++ inline namespace QtPrivateLogging { Q_LOGGING_CATEGORY_IMPL(name, __VA_ARGS__) } \
++ Q_WEAK_OVERLOAD \
++ Q_DECL_DEPRECATED_X("Use Q_STATIC_LOGGING_CATEGORY or add " \
++ "either Q_DECLARE_LOGGING_CATEGORY or " \
++ "QT_DECLARE_EXPORTED_QT_LOGGING_CATEGORY in a header") \
++ const QLoggingCategory &name() { return QtPrivateLogging::name(); }
++
++ #define Q_STATIC_LOGGING_CATEGORY(name, ...) \
++ static Q_LOGGING_CATEGORY_IMPL(name, __VA_ARGS__)
++
++ #else
++ #define Q_DECLARE_LOGGING_CATEGORY(name) \
++ const QLoggingCategory &name();
++
++ #define Q_DECLARE_EXPORTED_LOGGING_CATEGORY(name, export_macro) \
++ export_macro Q_DECLARE_LOGGING_CATEGORY(name)
++
++ #define Q_LOGGING_CATEGORY(name, ...) \
++ const QLoggingCategory &name() \
++ { \
++ static const QLoggingCategory category(__VA_ARGS__); \
++ return category; \
++ }
++
++ #define Q_STATIC_LOGGING_CATEGORY(name, ...) \
++ static Q_LOGGING_CATEGORY(name, __VA_ARGS__)
++ #endif
++
++ #define QT_MESSAGE_LOGGER_COMMON(category, level) \
++ for (QLoggingCategoryMacroHolder<level> qt_category((category)()); qt_category; qt_category.control = false) \
++ QMessageLogger(QT_MESSAGELOG_FILE, QT_MESSAGELOG_LINE, QT_MESSAGELOG_FUNC, qt_category.name())
++
++ #define qCDebug(category, ...) QT_MESSAGE_LOGGER_COMMON(category, QtDebugMsg).debug(__VA_ARGS__)
++ #define qCInfo(category, ...) QT_MESSAGE_LOGGER_COMMON(category, QtInfoMsg).info(__VA_ARGS__)
++ #define qCWarning(category, ...) QT_MESSAGE_LOGGER_COMMON(category, QtWarningMsg).warning(__VA_ARGS__)
++ #define qCCritical(category, ...) QT_MESSAGE_LOGGER_COMMON(category, QtCriticalMsg).critical(__VA_ARGS__)
++ #define qCFatal(category, ...) QT_MESSAGE_LOGGER_COMMON(category, QtFatalMsg).fatal(__VA_ARGS__)
++
++ QT_END_NAMESPACE
++
++ #endif // QLOGGINGCATEGORY_H