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87 lines
3.8 KiB
C++
87 lines
3.8 KiB
C++
// Copyright (C) 2002-2012 Nikolaus Gebhardt
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// This file is part of the "Irrlicht Engine".
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// For conditions of distribution and use, see copyright notice in irrlicht.h
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#pragma once
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#include "IReferenceCounted.h"
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#include "path.h"
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namespace io
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{
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//! Provides a list of files and folders.
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/** File lists usually contain a list of all files in a given folder,
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but can also contain a complete directory structure. */
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class IFileList : public virtual IReferenceCounted
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{
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public:
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//! Get the number of files in the filelist.
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/** \return Amount of files and directories in the file list. */
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virtual u32 getFileCount() const = 0;
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//! Gets the name of a file in the list, based on an index.
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/** The path is not included in this name. Use getFullFileName for this.
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\param index is the zero based index of the file which name should
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be returned. The index must be less than the amount getFileCount() returns.
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\return File name of the file. Returns 0, if an error occurred. */
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virtual const io::path &getFileName(u32 index) const = 0;
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//! Gets the full name of a file in the list including the path, based on an index.
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/** \param index is the zero based index of the file which name should
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be returned. The index must be less than the amount getFileCount() returns.
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\return File name of the file. Returns 0 if an error occurred. */
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virtual const io::path &getFullFileName(u32 index) const = 0;
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//! Returns the size of a file in the file list, based on an index.
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/** \param index is the zero based index of the file which should be returned.
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The index must be less than the amount getFileCount() returns.
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\return The size of the file in bytes. */
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virtual u32 getFileSize(u32 index) const = 0;
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//! Returns the file offset of a file in the file list, based on an index.
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/** \param index is the zero based index of the file which should be returned.
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The index must be less than the amount getFileCount() returns.
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\return The offset of the file in bytes. */
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virtual u32 getFileOffset(u32 index) const = 0;
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//! Returns the ID of a file in the file list, based on an index.
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/** This optional ID can be used to link the file list entry to information held
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elsewhere. For example this could be an index in an IFileArchive, linking the entry
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to its data offset, uncompressed size and CRC.
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\param index is the zero based index of the file which should be returned.
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The index must be less than the amount getFileCount() returns.
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\return The ID of the file. */
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virtual u32 getID(u32 index) const = 0;
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//! Check if the file is a directory
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/** \param index The zero based index which will be checked. The index
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must be less than the amount getFileCount() returns.
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\return True if the file is a directory, else false. */
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virtual bool isDirectory(u32 index) const = 0;
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//! Searches for a file or folder in the list
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/** Searches for a file by name
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\param filename The name of the file to search for.
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\param isFolder True if you are searching for a directory path, false if you are searching for a file
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\return Returns the index of the file in the file list, or -1 if
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no matching name name was found. */
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virtual s32 findFile(const io::path &filename, bool isFolder = false) const = 0;
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//! Returns the base path of the file list
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virtual const io::path &getPath() const = 0;
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//! Add as a file or folder to the list
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/** \param fullPath The file name including path, from the root of the file list.
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\param isDirectory True if this is a directory rather than a file.
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\param offset The file offset inside an archive
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\param size The size of the file in bytes.
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\param id The ID of the file in the archive which owns it */
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virtual u32 addItem(const io::path &fullPath, u32 offset, u32 size, bool isDirectory, u32 id = 0) = 0;
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//! Sorts the file list. You should call this after adding any items to the file list
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virtual void sort() = 0;
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};
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} // end namespace io
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