From 250e30d73f09e9da2b5a81d0fbae63744ae12a73 Mon Sep 17 00:00:00 2001
From: chai <chaifix@163.com>
Date: Tue, 2 Apr 2019 08:47:15 +0800
Subject: *misc

---
 source/libs/asura-lib-utils/io/file_system.h | 112 +++++++++++++++++++++++++++
 1 file changed, 112 insertions(+)
 create mode 100644 source/libs/asura-lib-utils/io/file_system.h

(limited to 'source/libs/asura-lib-utils/io/file_system.h')

diff --git a/source/libs/asura-lib-utils/io/file_system.h b/source/libs/asura-lib-utils/io/file_system.h
new file mode 100644
index 0000000..849cbb6
--- /dev/null
+++ b/source/libs/asura-lib-utils/io/file_system.h
@@ -0,0 +1,112 @@
+#ifndef __ASURA_ENGINE_FILESYSTEM_H__
+#define __ASURA_ENGINE_FILESYSTEM_H__
+
+#include <map>
+#include <string>
+
+#include "../scripting/portable.hpp"
+#include "../singleton.hpp"
+#include "../type.h"
+
+#include "file_data.h"
+#include "file.h"
+
+namespace AsuraEngine
+{
+	namespace IO
+	{
+
+		enum FileType
+		{
+			FILE_TYPE_FILE, 		 ///< 文件
+			FILE_TYPE_DIRECTORY, ///< 文件夹
+			FILE_TYPE_SYMLINK, 	 ///< 链接
+			FILE_TYPE_OTHER,		 ///< 其他
+		};
+
+		struct FileInfo
+		{
+			int64 size; 
+			int64 modtime; 
+			FileType type;
+		};
+
+		///
+		/// 资源管理，负责加载、存储资源，指定根目录等。无论编辑器还是运行时，都需要限制访问的机制，将用户的操作限制在游戏目录
+		/// 下，file system就是做这件事的。Filesystem是运行时和编辑器共用的类，AssetDatabase是用来管理资源的类，在framework
+		/// 里实现，单纯是逻辑处理，读写还是用Filesystem实现，AssetDatabase提供根据文件内容创建对应资源的方法。
+		///
+		class Filesystem ASURA_FINAL
+			: public Singleton<Filesystem>
+			, public AEScripting::Portable<Filesystem>
+		{
+		public:
+
+			LUAX_DECL_SINGLETON(Filesystem);
+
+			~Filesystem();
+
+			void Init(const char* arg0);
+
+			///
+			/// 当前可执行文件的所在文件夹
+			///
+			std::string GetWorkingDirectory();
+
+			bool Mount(const std::string& locpath, const std::string& montpoint = "/", bool prepend = false);
+			bool Mount(DataBuffer* db, const std::string& archivename, const std::string& mountpoint = "/", bool prepend = false);
+
+			bool Unmount(const std::string& locpath);
+			bool Unmount(DataBuffer* db);
+
+			bool GetMountPoint(const std::string& locpath, ASURA_OUT std::string& mountpoint);
+
+			void SetWriteDirectory(const std::string locpath);
+			std::string GetWriteDirectory();
+			File* NewFile(const std::string& name);
+			bool NewDirectory(const std::string& path);
+			bool Write(const std::string& path, ASURA_REF DataBuffer* buffer);
+			bool Append(const std::string& path, ASURA_REF DataBuffer* buffer);
+			bool Remove(const std::string& path);
+
+			FileData* Read(const std::string& path);
+			bool GetFileInfo(const std::string& path, ASURA_OUT FileInfo* info);
+
+			bool GetDirectoryItems(const std::string& path, ASURA_OUT std::vector<std::string>& items) { return false; };
+
+		private:
+
+			typedef std::map<std::string, DataBuffer*> MountDataMap;
+
+			bool         mInited;    ///< 是否初始化成功
+			std::string  mCwd;       ///< 当前执行文件的工作目录
+			MountDataMap mMountData; ///< 从路径到压缩文档的映射
+
+			LUAX_DECL_METHOD(_Init);
+			LUAX_DECL_METHOD(_Mount);
+			LUAX_DECL_METHOD(_Unmount);
+			LUAX_DECL_METHOD(_GetMountPoint);
+
+			LUAX_DECL_METHOD(_SetWriteDirectory);
+			LUAX_DECL_METHOD(_GetWriteDirectory);
+			LUAX_DECL_METHOD(_CreateFile);
+			LUAX_DECL_METHOD(_CreateDirectory);
+
+			LUAX_DECL_METHOD(_Write);
+			LUAX_DECL_METHOD(_Append);
+			LUAX_DECL_METHOD(_Remove);
+
+			LUAX_DECL_METHOD(_Read);
+
+			LUAX_DECL_METHOD(_GetFileInfo);
+
+			LUAX_DECL_METHOD(_GetDirectoryItems);
+
+		};
+
+	}
+}
+
+namespace AEIO = AsuraEngine::IO;
+
+#endif
\ No newline at end of file
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