File: LuaVFS.h

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/* This file is part of the Spring engine (GPL v2 or later), see LICENSE.html */

#ifndef LUA_VFS_H
#define LUA_VFS_H

#include <string>

struct lua_State;


class LuaVFS {
	public:
		static bool PushCommon(lua_State* L);
		static bool PushSynced(lua_State* L);
		static bool PushUnsynced(lua_State* L);

	private:
		static const std::string GetModes(lua_State* L, int index, bool synced);

		static int Include(lua_State* L, bool synced);
		static int LoadFile(lua_State* L, bool synced);
		static int FileExists(lua_State* L, bool synced);
		static int DirList(lua_State* L, bool synced);
		static int SubDirs(lua_State* L, bool synced);

		static int GetFileAbsolutePath(lua_State* L);
		static int GetArchiveContainingFile(lua_State* L);

		static int SyncInclude(lua_State* L);
		static int SyncLoadFile(lua_State* L);
		static int SyncFileExists(lua_State* L);
		static int SyncDirList(lua_State* L);
		static int SyncSubDirs(lua_State* L);

		static int UnsyncInclude(lua_State* L);
		static int UnsyncLoadFile(lua_State* L);
		static int UnsyncFileExists(lua_State* L);
		static int UnsyncDirList(lua_State* L);
		static int UnsyncSubDirs(lua_State* L);

		static int UseArchive(lua_State* L); ///< temporary

		static int CompressFolder(lua_State* L);
		static int SevenZipFolder(lua_State* L, const std::string& folderPath, const std::string& zipFilePath, bool includeFolder, const std::string& modes);
		/**
		@brief Permanent mapping of files into VFS (only from unsynced)
		
		LuaParameters: (string Filename), (unsigned int checksum, optional)
		*/
		static int MapArchive(lua_State* L);
		/**
		@brief Unmaps archives mapped with MapArchive from VFS (only from unsynced)
		
		LuaParameters: (string Filename)
		*/
		static int UnmapArchive(lua_State* L);

		static int ZlibCompress(lua_State* L);
		static int ZlibDecompress(lua_State* L);

		// string packing utilities
		static int PackU8(lua_State* L);
		static int PackU16(lua_State* L);
		static int PackU32(lua_State* L);
		static int PackS8(lua_State* L);
		static int PackS16(lua_State* L);
		static int PackS32(lua_State* L);
		static int PackF32(lua_State* L);
		static int UnpackU8(lua_State* L);
		static int UnpackU16(lua_State* L);
		static int UnpackU32(lua_State* L);
		static int UnpackS8(lua_State* L);
		static int UnpackS16(lua_State* L);
		static int UnpackS32(lua_State* L);
		static int UnpackF32(lua_State* L);
		
		static int CalculateHash(lua_State* L);
};


#endif /* LUA_VFS_H */