1 files changed, 121 insertions, 0 deletions

diff --git a/src/core/loader/loader.h b/src/core/loader/loader.h
new file mode 100644
index 000000000..95f16fcb1
--- /dev/null
+++ b/src/core/loader/loader.h
@@ -0,0 +1,121 @@
+// Copyright 2014 Citra Emulator Project
+// Licensed under GPLv2
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <vector>
+
+#include "common/common.h"
+
+////////////////////////////////////////////////////////////////////////////////////////////////////
+// Loader namespace
+
+namespace Loader {
+
+/// File types supported by CTR
+enum class FileType {
+    Error,
+    Unknown,
+    CCI,
+    CXI,
+    CIA,
+    ELF,
+};
+
+/// Return type for functions in Loader namespace
+enum class ResultStatus {
+    Success,
+    Error,
+    ErrorInvalidFormat,
+    ErrorNotImplemented,
+    ErrorNotLoaded,
+    ErrorNotUsed,
+    ErrorAlreadyLoaded,
+};
+
+/// Interface for loading an application
+class AppLoader : NonCopyable {
+public:
+    AppLoader() { }
+    virtual ~AppLoader() { }
+
+    /**
+     * Load the application
+     * @return ResultStatus result of function
+     */
+    virtual ResultStatus Load() = 0;
+
+    /**
+     * Get the code (typically .code section) of the application
+     * @param error ResultStatus result of function
+     * @return Reference to code buffer
+     */
+    virtual const std::vector<u8>& ReadCode(ResultStatus& error) const {
+        error = ResultStatus::ErrorNotImplemented;
+        return code;
+    }
+
+    /**
+     * Get the icon (typically icon section) of the application
+     * @param error ResultStatus result of function
+     * @return Reference to icon buffer
+     */
+    virtual const std::vector<u8>& ReadIcon(ResultStatus& error) const {
+        error = ResultStatus::ErrorNotImplemented;
+        return icon;
+    }
+
+    /**
+     * Get the banner (typically banner section) of the application
+     * @param error ResultStatus result of function
+     * @return Reference to banner buffer
+     */
+    virtual const std::vector<u8>& ReadBanner(ResultStatus& error) const {
+        error = ResultStatus::ErrorNotImplemented;
+        return banner;
+    }
+
+    /**
+     * Get the logo (typically logo section) of the application
+     * @param error ResultStatus result of function
+     * @return Reference to logo buffer
+     */
+    virtual const std::vector<u8>& ReadLogo(ResultStatus& error) const {
+        error = ResultStatus::ErrorNotImplemented;
+        return logo;
+    }
+
+    /**
+     * Get the RomFs archive of the application
+     * @param error ResultStatus result of function
+     * @return Reference to RomFs archive buffer
+     */
+    virtual const std::vector<u8>& ReadRomFS(ResultStatus& error) const {
+        error = ResultStatus::ErrorNotImplemented;
+        return romfs;
+    }
+
+protected:
+    std::vector<u8> code;   ///< ExeFS .code section
+    std::vector<u8> icon;   ///< ExeFS .icon section
+    std::vector<u8> banner; ///< ExeFS .banner section
+    std::vector<u8> logo;   ///< ExeFS .logo section
+    std::vector<u8> romfs;  ///< RomFs archive
+};
+
+/**
+ * Identifies the type of a bootable file
+ * @param filename String filename of bootable file
+ * @return FileType of file
+ */
+FileType IdentifyFile(const std::string &filename);
+
+/**
+ * Identifies and loads a bootable file
+ * @param filename String filename of bootable file
+ * @return ResultStatus result of function
+ */
+ResultStatus LoadFile(const std::string& filename);
+
+} // namespace