1 files changed, 146 insertions, 0 deletions
diff --git a/lib/ffs_paths.cpp b/lib/ffs_paths.cpp
new file mode 100644
index 00000000..3a0b557d
--- /dev/null
+++ b/lib/ffs_paths.cpp
@@ -0,0 +1,146 @@
+// **************************************************************************
+// * This file is part of the FreeFileSync project. It is distributed under *
+// * GNU General Public License: http://www.gnu.org/licenses/gpl.html       *
+// * Copyright (C) Zenju (zenju AT gmx DOT de) - All Rights Reserved        *
+// **************************************************************************
+
+#include "ffs_paths.h"
+#include <zen/file_handling.h>
+#include <wx/stdpaths.h>
+#include <wx+/string_conv.h>
+
+#ifdef FFS_MAC
+#include <vector>
+#include <zen/scope_guard.h>
+#include <CoreServices/CoreServices.h> //keep in .cpp file to not pollute global namespace! e.g. with UInt64
+#endif
+
+using namespace zen;
+
+
+namespace
+{
+#if defined FFS_WIN || defined FFS_LINUX
+inline
+Zstring getExecutableDir() //directory containing executable WITH path separator at end
+{
+    return appendSeparator(beforeLast(utfCvrtTo<Zstring>(wxStandardPaths::Get().GetExecutablePath()), FILE_NAME_SEPARATOR));
+}
+#endif
+
+#ifdef FFS_WIN
+inline
+Zstring getInstallDir() //root install directory WITH path separator at end
+{
+    return appendSeparator(beforeLast(beforeLast(getExecutableDir(), FILE_NAME_SEPARATOR), FILE_NAME_SEPARATOR));
+}
+#endif
+
+
+#ifdef FFS_WIN
+inline
+bool isPortableVersion() { return !fileExists(getInstallDir() + L"uninstall.exe"); } //this check is a bit lame...
+#elif defined FFS_LINUX
+inline
+bool isPortableVersion() { return !endsWith(getExecutableDir(), "/bin/"); } //this check is a bit lame...
+#endif
+}
+
+
+bool zen::manualProgramUpdateRequired()
+{
+#if defined FFS_WIN || defined FFS_MAC
+    return true;
+#elif defined FFS_LINUX
+    return isPortableVersion(); //locally installed version is updated by system
+#endif
+}
+
+
+Zstring zen::getResourceDir()
+{
+#ifdef FFS_WIN
+    return getInstallDir();
+#elif defined FFS_LINUX
+    if (isPortableVersion())
+        return getExecutableDir();
+    else //use OS' standard paths
+        return appendSeparator(toZ(wxStandardPathsBase::Get().GetResourcesDir()));
+#elif defined FFS_MAC
+    return appendSeparator(toZ(wxStandardPathsBase::Get().GetResourcesDir()));
+#endif
+}
+
+
+Zstring zen::getConfigDir()
+{
+#ifdef FFS_WIN
+    if (isPortableVersion())
+        return getInstallDir();
+#elif defined FFS_LINUX
+    if (isPortableVersion())
+        return getExecutableDir();
+#elif defined FFS_MAC
+    //portable apps do not seem common on OS - fine with me: http://theocacao.com/document.page/319
+#endif
+    //use OS' standard paths
+    Zstring userDirectory = toZ(wxStandardPathsBase::Get().GetUserDataDir());
+
+    if (!dirExists(userDirectory))
+        try
+        {
+            makeDirectory(userDirectory); //throw FileError
+        }
+        catch (const FileError&) {}
+
+    return appendSeparator(userDirectory);
+}
+
+
+//this function is called by RealtimeSync!!!
+Zstring zen::getFreeFileSyncLauncher()
+{
+#ifdef FFS_WIN
+    return getInstallDir() + Zstr("FreeFileSync.exe");
+#elif defined FFS_LINUX
+    return getExecutableDir() + Zstr("FreeFileSync");
+#elif defined FFS_MAC
+    auto CFStringRefToUtf8 = [](const CFStringRef& cfs) -> Zstring
+    {
+        if (cfs)
+        {
+            CFIndex length = ::CFStringGetLength(cfs);
+            if (length > 0)
+            {
+                CFIndex bufferSize = ::CFStringGetMaximumSizeForEncoding(length, kCFStringEncodingUTF8);
+                std::vector<char> buffer(bufferSize);
+
+                if (::CFStringGetCString(cfs, &buffer[0], bufferSize, kCFStringEncodingUTF8))
+                    return Zstring(&buffer[0]);
+            }
+        }
+        return Zstring();
+    };
+
+    CFURLRef appURL = nullptr;
+    ZEN_ON_SCOPE_EXIT(if (appURL) ::CFRelease(appURL));
+
+    if (::LSFindApplicationForInfo(kLSUnknownCreator, // OSType inCreator,
+                                   CFSTR("net.SourceForge.FreeFileSync"),//CFStringRef inBundleID,
+                                   nullptr,           //CFStringRef inName,
+                                   nullptr,           //FSRef *outAppRef,
+                                   &appURL) == noErr) //CFURLRef *outAppURL
+        if (appURL)
+            if (CFURLRef absUrl = ::CFURLCopyAbsoluteURL(appURL))
+            {
+                ZEN_ON_SCOPE_EXIT(::CFRelease(absUrl));
+
+                if (CFStringRef path = ::CFURLCopyFileSystemPath(absUrl, kCFURLPOSIXPathStyle))
+                {
+                    ZEN_ON_SCOPE_EXIT(::CFRelease(path));
+                    return appendSeparator(CFStringRefToUtf8(path)) + "Contents/MacOS/FreeFileSync";
+                }
+            }
+    return Zstr("./FreeFileSync"); //fallback: at least give some hint...
+#endif
+}