Unify custom exceptions

src/app/application.cpp

@@ -638,7 +638,7 @@ int Application::exec(const QStringList &params)
     catch (const RuntimeError &err)
     {
 #ifdef DISABLE_GUI
-        fprintf(stderr, "%s", err.what());
+        fprintf(stderr, "%s", qPrintable(err.message()));
 #else
         QMessageBox msgBox;
         msgBox.setIcon(QMessageBox::Critical);

src/app/cmdoptions.cpp

@@ -498,17 +498,6 @@ QBtCommandLineParameters parseCommandLine(const QStringList &args)
     return result;
 }
 
-CommandLineParameterError::CommandLineParameterError(const QString &messageForUser)
-    : std::runtime_error(messageForUser.toLocal8Bit().data())
-    , m_messageForUser(messageForUser)
-{
-}
-
-const QString &CommandLineParameterError::messageForUser() const
-{
-    return m_messageForUser;
-}
-
 QString wrapText(const QString &text, int initialIndentation = USAGE_TEXT_COLUMN, int wrapAtColumn = WRAP_AT_COLUMN)
 {
     QStringList words = text.split(' ');

src/app/cmdoptions.h

@@ -31,11 +31,12 @@
 #pragma once
 
 #include <optional>
-#include <stdexcept>
 
 #include <QString>
 #include <QStringList>
 
+#include "base/exceptions.h"
+
 class QProcessEnvironment;
 
 struct QBtCommandLineParameters
@@ -67,14 +68,10 @@ struct QBtCommandLineParameters
     QStringList paramList() const;
 };
 
-class CommandLineParameterError : public std::runtime_error
+class CommandLineParameterError : public RuntimeError
 {
 public:
-    explicit CommandLineParameterError(const QString &messageForUser);
-    const QString &messageForUser() const;
-
-private:
-    const QString m_messageForUser;
+    using RuntimeError::RuntimeError;
 };
 
 QBtCommandLineParameters parseCommandLine(const QStringList &args);

src/app/main.cpp

@@ -311,7 +311,7 @@ int main(int argc, char *argv[])
     }
     catch (const CommandLineParameterError &er)
     {
-        displayBadArgMessage(er.messageForUser());
+        displayBadArgMessage(er.message());
         return EXIT_FAILURE;
     }
 }