From 45d02bd22aa9c20fa8450c85f34a9505a739f475 Mon Sep 17 00:00:00 2001
From: Klaus Basan <klaus.basan@klausbasan.de>
Date: Sun, 17 Dec 2017 20:03:41 +0100
Subject: [PATCH] Ref T203, file utility functions

---
 src/blackmisc/fileutils.cpp | 27 +++++++++++++++++++++++----
 src/blackmisc/fileutils.h   |  9 +++++++++
 2 files changed, 32 insertions(+), 4 deletions(-)

diff --git a/src/blackmisc/fileutils.cpp b/src/blackmisc/fileutils.cpp
index b01e0128c..469ba06f6 100644
--- a/src/blackmisc/fileutils.cpp
+++ b/src/blackmisc/fileutils.cpp
@@ -216,10 +216,7 @@ namespace BlackMisc
         if (excludeDirectories.isEmpty()) { return false; }
         for (const QString &ex : excludeDirectories)
         {
-            if (matchesExcludeDirectory(directoryPath, ex, cs))
-            {
-                return true;
-            }
+            if (matchesExcludeDirectory(directoryPath, ex, cs)) { return true; }
         }
         return false;
     }
@@ -394,4 +391,26 @@ namespace BlackMisc
         }
         return QString("%1 %2").arg(CMathUtils::roundAsString(currentSize, 2), unit);
     }
+
+    const QStringList &CFileUtils::executableSuffixes()
+    {
+        // incomplete list of file name appendixes
+        static const QStringList appendixes({".exe", ".dmg", ".run"});
+        return appendixes;
+    }
+
+    bool CFileUtils::isExecutableFile(const QString &fileName)
+    {
+        for (const QString &app : CFileUtils::executableSuffixes())
+        {
+            if (fileName.endsWith(app, Qt::CaseInsensitive)) { return true; }
+        }
+        return CFileUtils::isSwiftInstaller(fileName);
+    }
+
+    bool CFileUtils::isSwiftInstaller(const QString &fileName)
+    {
+        if (fileName.isEmpty()) { return false; }
+        return fileName.contains("swift", Qt::CaseInsensitive) && fileName.contains("installer");
+    }
 } // ns
diff --git a/src/blackmisc/fileutils.h b/src/blackmisc/fileutils.h
index cb20e2250..9907d1810 100644
--- a/src/blackmisc/fileutils.h
+++ b/src/blackmisc/fileutils.h
@@ -139,6 +139,15 @@ namespace BlackMisc
 
         //! Human readable (GB, MB, ..) file size
         static QString humanReadableFileSize(qint64 size);
+
+        //! Executable file name appendixes
+        static const QStringList &executableSuffixes();
+
+        //! Executable file (decided by appendix)
+        static bool isExecutableFile(const QString &fileName);
+
+        //! swift installer
+        static bool isSwiftInstaller(const QString &fileName);
     };
 } // ns