mirror of
https://github.com/JS8Call-improved/JS8Call-improved
synced 2026-08-13 17:47:36 -04:00
356bdc0f50
Rename all header files with .h extension Fix function declaration in HamlibTransceiver.h that overrode member function but was not marked override Remove unused variable in Modulator.cpp Remove unused files from source tree Remove duplicate LazyFillComboBox files Reformat codebase to LLVM C++ standard
108 lines
2.9 KiB
C++
108 lines
2.9 KiB
C++
#include "TraceFile.h"
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#include <stdexcept>
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#include <QDateTime>
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#include <QDebug>
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#include <QFile>
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#include <QMessageLogContext>
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#include <QMutex>
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#include <QMutexLocker>
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#include <QString>
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#include <QTextStream>
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#include "JS8_Include/pimpl_impl.h"
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namespace {
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QMutex lock;
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}
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class TraceFile::impl {
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public:
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impl(QString const &trace_file_path);
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~impl();
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// no copying
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impl(impl const &) = delete;
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impl &operator=(impl const &) = delete;
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private:
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// write Qt messages to the diagnostic log file
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static void message_handler(QtMsgType type,
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QMessageLogContext const &context,
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QString const &msg);
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QFile file_;
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QTextStream stream_;
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QTextStream *original_stream_;
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QtMessageHandler original_handler_;
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static QTextStream *current_stream_;
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};
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QTextStream *TraceFile::impl::current_stream_;
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// delegate to implementation class
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TraceFile::TraceFile(QString const &trace_file_path) : m_{trace_file_path} {}
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TraceFile::~TraceFile() {}
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TraceFile::impl::impl(QString const &trace_file_path)
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: file_{trace_file_path}, original_stream_{current_stream_},
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original_handler_{nullptr} {
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// if the log file is writeable; initialise diagnostic logging to it
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// for append and hook up the Qt global message handler
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if (file_.open(QFile::WriteOnly | QFile::Append | QFile::Text)) {
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stream_.setDevice(&file_);
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current_stream_ = &stream_;
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original_handler_ = qInstallMessageHandler(message_handler);
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}
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}
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TraceFile::impl::~impl() {
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// unhook our message handler before the stream and file are destroyed
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if (original_handler_) {
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qInstallMessageHandler(original_handler_);
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}
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current_stream_ = original_stream_; // revert to prior stream
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}
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// write Qt messages to the diagnostic log file
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void TraceFile::impl::message_handler(QtMsgType type,
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QMessageLogContext const &context,
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QString const &msg) {
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char const *severity;
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switch (type) {
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case QtDebugMsg:
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severity = "Debug";
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break;
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case QtWarningMsg:
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severity = "Warning";
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break;
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case QtFatalMsg:
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severity = "Fatal";
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break;
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default:
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severity = "Critical";
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break;
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}
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{
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// guard against multiple threads with overlapping messages
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QMutexLocker guard(&lock);
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Q_ASSERT_X(current_stream_, "TraceFile:message_handler",
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"no stream to write to");
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*current_stream_
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<< QDateTime::currentDateTimeUtc().toString(
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"yyyy-MM-ddTHH:mm:ss.zzzZ")
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<< '(' << context.file << ':'
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<< context.line /* << ", " << context.function */ << ')' << severity
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<< ": " << msg.trimmed() << Qt::endl;
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}
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if (QtFatalMsg == type) {
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throw std::runtime_error{"Fatal Qt Error"};
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}
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}
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