new value objects for aviation, network, and settings

refs #81

src/blackmisc/settingutilities.cpp

@@ -0,0 +1,60 @@
+#include "settingutilities.h"
+
+namespace BlackMisc
+{
+    namespace Settings
+    {
+        /*
+         * Wrong path name message
+         */
+        BlackMisc::CStatusMessage CSettingUtilities::wrongPathMessage(const QString &path)
+        {
+            QString msg = "wrong path";
+            if (!path.isEmpty())
+            {
+                msg.append(": ").append(path);
+            }
+            BlackMisc::CStatusMessage rp(BlackMisc::CStatusMessage::TypeValidation,
+                                         BlackMisc::CStatusMessage::SeverityError, msg);
+            return rp;
+        }
+
+        /*
+         * Wrong path name messages
+         */
+        CStatusMessages CSettingUtilities::wrongPathMessages(const QString &path)
+        {
+            BlackMisc::CStatusMessages rps;
+            rps.append(CSettingUtilities::wrongPathMessage(path));
+            return rps;
+        }
+
+        /*
+         * leading path
+         */
+        QString CSettingUtilities::removeLeadingPath(const QString &path)
+        {
+            int sl = path.indexOf('/');
+            Q_ASSERT(sl >= 0);
+            Q_ASSERT(path.length() > sl + 2);
+            return path.mid(sl + 1);
+        }
+
+        /*!
+         * \brief Append paths
+         * \param part1
+         * \param part2
+         * \param part3
+         * \return
+         */
+        QString CSettingUtilities::appendPaths(const QString &part1, const QString &part2, const QString &part3)
+        {
+            QString p(part1);
+            if (part2.isEmpty()) return p;
+            p.append('/').append(part2);
+            if (part3.isEmpty()) return p;
+            p.append('/').append(part3);
+            return p;
+        }
+    }
+}