irrlicht/source/Irrlicht/CFileSystem.h

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// Copyright (C) 2002-2012 Nikolaus Gebhardt
// This file is part of the "Irrlicht Engine".
// For conditions of distribution and use, see copyright notice in irrlicht.h
#pragma once
#include "IFileSystem.h"
#include "irrArray.h"
namespace irr
{
namespace io
{
class CZipReader;
/*!
FileSystem which uses normal files and one zipfile
*/
class CFileSystem : public IFileSystem
{
public:
//! constructor
CFileSystem();
//! destructor
virtual ~CFileSystem();
//! opens a file for read access
IReadFile* createAndOpenFile(const io::path& filename) override;
//! Creates an IReadFile interface for accessing memory like a file.
IReadFile* createMemoryReadFile(const void* memory, s32 len, const io::path& fileName, bool deleteMemoryWhenDropped = false) override;
//! Creates an IReadFile interface for accessing files inside files
IReadFile* createLimitReadFile(const io::path& fileName, IReadFile* alreadyOpenedFile, long pos, long areaSize) override;
//! Creates an IWriteFile interface for accessing memory like a file.
IWriteFile* createMemoryWriteFile(void* memory, s32 len, const io::path& fileName, bool deleteMemoryWhenDropped=false) override;
//! Opens a file for write access.
IWriteFile* createAndWriteFile(const io::path& filename, bool append=false) override;
//! Adds an archive to the file system.
virtual bool addFileArchive(const io::path& filename,
bool ignoreCase = true, bool ignorePaths = true,
E_FILE_ARCHIVE_TYPE archiveType = EFAT_UNKNOWN,
const core::stringc& password="",
IFileArchive** retArchive = 0) override;
//! Adds an archive to the file system.
virtual bool addFileArchive(IReadFile* file, bool ignoreCase=true,
bool ignorePaths=true,
E_FILE_ARCHIVE_TYPE archiveType=EFAT_UNKNOWN,
const core::stringc& password="",
IFileArchive** retArchive = 0) override;
//! Adds an archive to the file system.
bool addFileArchive(IFileArchive* archive) override;
//! move the hirarchy of the filesystem. moves sourceIndex relative up or down
bool moveFileArchive(u32 sourceIndex, s32 relative) override;
//! Adds an external archive loader to the engine.
void addArchiveLoader(IArchiveLoader* loader) override;
//! Returns the total number of archive loaders added.
u32 getArchiveLoaderCount() const override;
//! Gets the archive loader by index.
IArchiveLoader* getArchiveLoader(u32 index) const override;
//! gets the file archive count
u32 getFileArchiveCount() const override;
//! gets an archive
IFileArchive* getFileArchive(u32 index) override;
//! removes an archive from the file system.
bool removeFileArchive(u32 index) override;
//! removes an archive from the file system.
bool removeFileArchive(const io::path& filename) override;
//! Removes an archive from the file system.
bool removeFileArchive(const IFileArchive* archive) override;
//! Returns the string of the current working directory
const io::path& getWorkingDirectory() override;
//! Changes the current Working Directory to the string given.
//! The string is operating system dependent. Under Windows it will look
//! like this: "drive:\directory\sudirectory\"
bool changeWorkingDirectoryTo(const io::path& newDirectory) override;
//! Converts a relative path to an absolute (unique) path, resolving symbolic links
io::path getAbsolutePath(const io::path& filename) const override;
//! Returns the directory a file is located in.
/** \param filename: The file to get the directory from */
io::path getFileDir(const io::path& filename) const override;
//! Returns the base part of a filename, i.e. the name without the directory
//! part. If no directory is prefixed, the full name is returned.
/** \param filename: The file to get the basename from */
io::path getFileBasename(const io::path& filename, bool keepExtension=true) const override;
//! flatten a path and file name for example: "/you/me/../." becomes "/you"
io::path& flattenFilename( io::path& directory, const io::path& root = "/" ) const override;
//! Get the relative filename, relative to the given directory
path getRelativeFilename(const path& filename, const path& directory) const override;
EFileSystemType setFileListSystem(EFileSystemType listType) override;
//! Creates a list of files and directories in the current working directory
//! and returns it.
IFileList* createFileList() override;
//! Creates an empty filelist
IFileList* createEmptyFileList(const io::path& path, bool ignoreCase, bool ignorePaths) override;
//! determines if a file exists and would be able to be opened.
bool existFile(const io::path& filename) const override;
private:
//! Currently used FileSystemType
EFileSystemType FileSystemType;
//! WorkingDirectory for Native and Virtual filesystems
io::path WorkingDirectory [2];
//! currently attached ArchiveLoaders
core::array<IArchiveLoader*> ArchiveLoader;
//! currently attached Archives
core::array<IFileArchive*> FileArchives;
};
} // end namespace irr
} // end namespace io