6 files changed, 141 insertions, 2 deletions
diff --git a/src/core/file_sys/archive.h b/src/core/file_sys/archive.h
index 560db6dea..38145eed8 100644
--- a/src/core/file_sys/archive.h
+++ b/src/core/file_sys/archive.h
@@ -7,11 +7,13 @@
 #include <memory>
 
 #include "common/common_types.h"
+#include "common/string_util.h"
 #include "common/bit_field.h"
 
 #include "core/file_sys/file.h"
 #include "core/file_sys/directory.h"
 
+#include "core/mem_map.h"
 #include "core/hle/kernel/kernel.h"
 
 ////////////////////////////////////////////////////////////////////////////////////////////////////
@@ -19,6 +21,15 @@
 
 namespace FileSys {
 
+// Path string type
+enum LowPathType : u32 {
+    Invalid = 0,
+    Empty   = 1,
+    Binary  = 2,
+    Char    = 3,
+    Wchar   = 4
+};
+
 union Mode {
     u32 hex;
     BitField<0, 1, u32> read_flag;
@@ -26,6 +37,94 @@ union Mode {
     BitField<2, 1, u32> create_flag;
 };
 
+class Path {
+public:
+
+    Path():
+        type(Invalid)
+    {
+    }
+
+    Path(LowPathType type, u32 size, u32 pointer):
+        type(type)
+    {
+        switch (type) {
+            case Binary:
+            {
+                u8* data = Memory::GetPointer(pointer);
+                binary = std::vector<u8>(data, data + size);
+                break;
+            }
+            case Char:
+            {
+                const char* data = reinterpret_cast<const char*>(Memory::GetPointer(pointer));
+                string = std::string(data, size - 1); // Data is always null-terminated.
+                break;
+            }
+            case Wchar:
+            {
+                const char16_t* data = reinterpret_cast<const char16_t*>(Memory::GetPointer(pointer));
+                u16str = std::u16string(data, size/2 - 1); // Data is always null-terminated.
+                break;
+            }
+        }
+    }
+
+    LowPathType GetType() const {
+        return type;
+    }
+
+    const std::string AsString() const {
+        switch (GetType()) {
+            case Char:
+                return string;
+            case Wchar:
+                return Common::UTF16ToUTF8(u16str);
+            case Empty:
+                return {};
+            default:
+                ERROR_LOG(KERNEL, "LowPathType cannot be converted to string!");
+                return {};
+        }
+    }
+
+    const std::u16string AsU16Str() const {
+        switch (GetType()) {
+            case Char:
+                return Common::UTF8ToUTF16(string);
+            case Wchar:
+                return u16str;
+            case Empty:
+                return {};
+            default:
+                ERROR_LOG(KERNEL, "LowPathType cannot be converted to u16string!");
+                return {};
+        }
+    }
+
+    const std::vector<u8> AsBinary() const {
+        switch (GetType()) {
+            case Binary:
+                return binary;
+            case Char:
+                return std::vector<u8>(string.begin(), string.end());
+            case Wchar:
+                return std::vector<u8>(u16str.begin(), u16str.end());
+            case Empty:
+                return {};
+            default:
+                ERROR_LOG(KERNEL, "LowPathType cannot be converted to binary!");
+                return {};
+        }
+    }
+
+private:
+    LowPathType type;
+    std::vector<u8> binary;
+    std::string string;
+    std::u16string u16str;
+};
+
 class Archive : NonCopyable {
 public:
     /// Supported archive types
@@ -57,6 +156,13 @@ public:
     virtual std::unique_ptr<File> OpenFile(const std::string& path, const Mode mode) const = 0;
 
     /**
+     * Create a directory specified by its path
+     * @param path Path relative to the archive
+     * @return Whether the directory could be created
+     */
+    virtual bool CreateDirectory(const std::string& path) const = 0;
+
+    /**
      * Open a directory specified by its path
      * @param path Path relative to the archive
      * @return Opened directory, or nullptr
diff --git a/src/core/file_sys/archive_romfs.cpp b/src/core/file_sys/archive_romfs.cpp
index 9bab3471f..cc759faa8 100644
--- a/src/core/file_sys/archive_romfs.cpp
+++ b/src/core/file_sys/archive_romfs.cpp
@@ -34,6 +34,16 @@ std::unique_ptr<File> Archive_RomFS::OpenFile(const std::string& path, const Mod
 }
 
 /**
+ * Create a directory specified by its path
+ * @param path Path relative to the archive
+ * @return Whether the directory could be created
+ */
+bool Archive_RomFS::CreateDirectory(const std::string& path) const {
+    ERROR_LOG(FILESYS, "Attempted to create a directory in ROMFS.");
+    return false;
+};
+
+/**
  * Open a directory specified by its path
  * @param path Path relative to the archive
  * @return Opened directory, or nullptr
@@ -50,7 +60,7 @@ std::unique_ptr<Directory> Archive_RomFS::OpenDirectory(const std::string& path)
  * @return Number of bytes read
  */
 size_t Archive_RomFS::Read(const u64 offset, const u32 length, u8* buffer) const {
-    DEBUG_LOG(FILESYS, "called offset=%d, length=%d", offset, length);
+    DEBUG_LOG(FILESYS, "called offset=%llu, length=%d", offset, length);
     memcpy(buffer, &raw_data[(u32)offset], length);
     return length;
 }
diff --git a/src/core/file_sys/archive_romfs.h b/src/core/file_sys/archive_romfs.h
index fcdefa95f..ae2344e82 100644
--- a/src/core/file_sys/archive_romfs.h
+++ b/src/core/file_sys/archive_romfs.h
@@ -37,6 +37,13 @@ public:
     std::unique_ptr<File> OpenFile(const std::string& path, const Mode mode) const override;
 
     /**
+     * Create a directory specified by its path
+     * @param path Path relative to the archive
+     * @return Whether the directory could be created
+     */
+    bool CreateDirectory(const std::string& path) const override;
+
+    /**
      * Open a directory specified by its path
      * @param path Path relative to the archive
      * @return Opened directory, or nullptr
diff --git a/src/core/file_sys/archive_sdmc.cpp b/src/core/file_sys/archive_sdmc.cpp
index 0b647f7d0..66931e93e 100644
--- a/src/core/file_sys/archive_sdmc.cpp
+++ b/src/core/file_sys/archive_sdmc.cpp
@@ -58,6 +58,15 @@ std::unique_ptr<File> Archive_SDMC::OpenFile(const std::string& path, const Mode
 }
 
 /**
+ * Create a directory specified by its path
+ * @param path Path relative to the archive
+ * @return Whether the directory could be created
+ */
+bool Archive_SDMC::CreateDirectory(const std::string& path) const {
+    return FileUtil::CreateDir(GetMountPoint() + path);
+}
+
+/**
  * Open a directory specified by its path
  * @param path Path relative to the archive
  * @return Opened directory, or nullptr
diff --git a/src/core/file_sys/archive_sdmc.h b/src/core/file_sys/archive_sdmc.h
index f68648e6f..0e059b635 100644
--- a/src/core/file_sys/archive_sdmc.h
+++ b/src/core/file_sys/archive_sdmc.h
@@ -41,6 +41,13 @@ public:
     std::unique_ptr<File> OpenFile(const std::string& path, const Mode mode) const override;
 
     /**
+     * Create a directory specified by its path
+     * @param path Path relative to the archive
+     * @return Whether the directory could be created
+     */
+    bool CreateDirectory(const std::string& path) const override;
+
+    /**
      * Open a directory specified by its path
      * @param path Path relative to the archive
      * @return Opened directory, or nullptr
diff --git a/src/core/file_sys/directory_sdmc.cpp b/src/core/file_sys/directory_sdmc.cpp
index 36951564d..fd558def9 100644
--- a/src/core/file_sys/directory_sdmc.cpp
+++ b/src/core/file_sys/directory_sdmc.cpp
@@ -42,7 +42,7 @@ u32 Directory_SDMC::Read(const u32 count, Entry* entries) {
         const std::string& filename = file.virtualName;
         Entry& entry = entries[entries_read];
 
-        WARN_LOG(FILESYS, "File %s: size=%d dir=%d", filename.c_str(), file.size, file.isDirectory);
+        WARN_LOG(FILESYS, "File %s: size=%llu dir=%d", filename.c_str(), file.size, file.isDirectory);
 
         // TODO(Link Mauve): use a proper conversion to UTF-16.
         for (int j = 0; j < FILENAME_LENGTH; ++j) {