Merge pull request #63 from IntelOrca/fix/reading-config

Fix reading / writing of config file

.gitignore

@@ -1,5 +1,8 @@
 lib/
 
+## Visual Studio Code
+.vscode/
+
 ## Ignore Visual Studio temporary files, build results, and
 ## files generated by popular Visual Studio add-ons.
 ##

src/openloco/config.cpp

@@ -78,7 +78,13 @@ namespace openloco::config
         if (!fs::is_directory(dir))
         {
             fs::create_directories(configPath.parent_path());
-            fs::permissions(dir, fs::perms::owner_read | fs::perms::owner_write | fs::perms::group_read | fs::perms::others_read);
+            // clang-format off
+            fs::permissions(
+                dir,
+                fs::perms::owner_all |
+                fs::perms::group_read | fs::perms::group_exec |
+                fs::perms::others_read | fs::perms::others_exec);
+            // clang-format on
         }
 
 #ifdef _OPENLOCO_USE_BOOST_FS_

src/openloco/envionment.cpp

@@ -125,16 +125,24 @@ namespace openloco::environment
      */
     static fs::path find_similar_file(const fs::path& path)
     {
-        auto expectedFilename = path.filename().generic_string();
-        auto directory = path.parent_path();
-        for (auto& item : fs::directory_iterator(directory))
+        try
         {
-            auto& p = item.path();
-            if (utility::iequals(p.filename().generic_string(), expectedFilename))
+            auto expectedFilename = path.filename().generic_string();
+            auto directory = path.parent_path();
+            for (auto& item : fs::directory_iterator(directory))
             {
-                return p;
+                auto& p = item.path();
+                if (utility::iequals(p.filename().generic_string(), expectedFilename))
+                {
+                    return p;
+                }
             }
         }
+        catch (const std::exception&)
+        {
+            // Ignore errors when searching, most common will be that the
+            // parent directory does not exist
+        }
         return fs::path();
     }
 #endif // _WIN32

src/openloco/platform/platform.posix.cpp

@@ -3,6 +3,7 @@
 #include "../interop/interop.hpp"
 #include "../openloco.h"
 #include "platform.h"
+#include <iostream>
 #include <pwd.h>
 #include <time.h>
 
@@ -21,7 +22,8 @@ int main(int argc, const char** argv)
 
 static std::string GetEnvironmentVariable(const std::string& name)
 {
-    return getenv(name.c_str());
+    auto result = getenv(name.c_str());
+    return result == nullptr ? std::string() : result;
 }
 
 uint32_t openloco::platform::get_time()
@@ -31,29 +33,44 @@ uint32_t openloco::platform::get_time()
     return spec.tv_nsec / 1000000;
 }
 
-fs::path openloco::platform::get_user_directory()
+static fs::path get_home_directory()
 {
-    std::string path;
     auto pw = getpwuid(getuid());
     if (pw != nullptr)
     {
-        path = pw->pw_dir;
+        return pw->pw_dir;
     }
     else
     {
-        path = GetEnvironmentVariable("HOME");
+        return GetEnvironmentVariable("HOME");
     }
+}
+
+fs::path openloco::platform::get_user_directory()
+{
+    auto path = fs::path(GetEnvironmentVariable("XDG_CONFIG_HOME"));
     if (path.empty())
     {
-        path = "/";
+        path = get_home_directory();
+        if (path.empty())
+        {
+            path = "/";
+        }
+        else
+        {
+            path = path / fs::path(".config");
+        }
     }
-    return path;
+    return path / fs::path("OpenLoco");
 }
 
 #if !(defined(__APPLE__) && defined(__MACH__))
 std::string openloco::platform::prompt_directory(const std::string& title)
 {
-    return "/";
+    std::string input;
+    std::cout << "Type your Locomotion path: ";
+    std::cin >> input;
+    return input;
 }
 #endif