Class FileSystem

FileSystem abstract class.

Inheritance

System.Object

FileSystem

ISO9660FileSystem

Inherited Members

System.Object.Equals(System.Object)

System.Object.Equals(System.Object, System.Object)

System.Object.GetHashCode()

System.Object.GetType()

System.Object.MemberwiseClone()

System.Object.ReferenceEquals(System.Object, System.Object)

System.Object.ToString()

Namespace: Cosmos.System.FileSystem

Assembly: Cosmos.System2.dll

Syntax

public abstract class FileSystem

Constructors

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FileSystem(Partition, String, Int64)

Initializes a new instance of the FileSystem class.

Declaration

protected FileSystem(Partition aDevice, string aRootPath, long aSize)

Parameters

Type	Name	Description
Partition	aDevice	A partiton managed by the filesystem.
System.String	aRootPath	A root path.
System.Int64	aSize	A partition size.

Properties

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AvailableFreeSpace

Get available free space.

Declaration

public abstract long AvailableFreeSpace { get; }

Property Value

Type	Description
System.Int64

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Device

Get device.

Declaration

protected Partition Device { get; }

Property Value

Type	Description
Partition

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Label

Get label.

Declaration

public abstract string Label { get; set; }

Property Value

Type	Description
System.String

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RootPath

Get root path.

Declaration

public string RootPath { get; }

Property Value

Type	Description
System.String

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Size

Get size.

Declaration

public long Size { get; }

Property Value

Type	Description
System.Int64

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TotalFreeSpace

Get total free space.

Declaration

public abstract long TotalFreeSpace { get; }

Property Value

Type	Description
System.Int64

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Type

Get type.

Declaration

public abstract string Type { get; }

Property Value

Type	Description
System.String

Methods

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CreateDirectory(DirectoryEntry, String)

Create directory.

Declaration

public abstract DirectoryEntry CreateDirectory(DirectoryEntry aParentDirectory, string aNewDirectory)

Parameters

Type	Name	Description
DirectoryEntry	aParentDirectory	A parent directory.
System.String	aNewDirectory	A new directory name.

Returns

Type	Description
DirectoryEntry	DirectoryEntry value.

Exceptions

Type	Condition
System.ArgumentNullException	Thrown when aParentDirectory is null. aNewDirectory is null or empty. memory error.
System.ArgumentOutOfRangeException	Thrown on memory error / unknown directory entry type.
System.OverflowException	Thrown when data lenght is greater then Int32.MaxValue.
System.Exception	Thrown when data size invalid / invalid directory entry type / memory error.
System.ArgumentException	Thrown on memory error.
System.RankException	Thrown on fatal error.
System.ArrayTypeMismatchException	Thrown on fatal error.
System.InvalidCastException	Thrown on memory error.

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CreateFile(DirectoryEntry, String)

Create file.

Declaration

public abstract DirectoryEntry CreateFile(DirectoryEntry aParentDirectory, string aNewFile)

Parameters

Type	Name	Description
DirectoryEntry	aParentDirectory	A parent directory.
System.String	aNewFile	A new file name.

Returns

Type	Description
DirectoryEntry	DirectoryEntry value.

Exceptions

Type	Condition
System.ArgumentNullException	Thrown when aParentDirectory is null. aNewFile is null or empty. memory error.
System.ArgumentOutOfRangeException	Thrown on memory error / unknown directory entry type.
System.OverflowException	Thrown when data lenght is greater then Int32.MaxValue.
System.Exception	Thrown when data size invalid / invalid directory entry type / memory error.
System.ArgumentException	Thrown on memory error.
System.RankException	Thrown on fatal error.
System.ArrayTypeMismatchException	Thrown on fatal error.
System.InvalidCastException	Thrown on memory error.

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DeleteDirectory(DirectoryEntry)

Delete directory.

Declaration

public abstract void DeleteDirectory(DirectoryEntry aPath)

Parameters

Type	Name	Description
DirectoryEntry	aPath

Exceptions

Type	Condition
System.NotImplementedException	Thrown when given entry type is unknown.
System.Exception	Thrown when tring to delete root directory. directory entry type is invalid. data size invalid. FAT table not found. out of memory.
System.OverflowException	Thrown when data lenght is greater then Int32.MaxValue.
System.ArgumentNullException	Thrown when aDirectoryEntry is null. aData is null. Out of memory.
System.RankException	Thrown on fatal error.
System.ArrayTypeMismatchException	Thrown on fatal error.
System.InvalidCastException	Thrown when the data in aData is corrupted.
System.ArgumentOutOfRangeException	Thrown when the data length is 0 or greater then Int32.MaxValue. Entrys matadata offset value is invalid.
System.ArgumentException	aData length is 0.
System.NotSupportedException	Thrown when FAT type is unknown.

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DeleteFile(DirectoryEntry)

Delete file.

Declaration

public abstract void DeleteFile(DirectoryEntry aPath)

Parameters

Type	Name	Description
DirectoryEntry	aPath

Exceptions

Type	Condition
System.NotImplementedException	Thrown when given entry type is unknown.
System.Exception	Thrown when tring to delete root directory. directory entry type is invalid. data size invalid. FAT table not found. out of memory.
System.OverflowException	Thrown when data lenght is greater then Int32.MaxValue. The number of clusters in the FAT entry is greater than Int32.MaxValue.
System.ArgumentNullException	Thrown when aDirectoryEntry is null. aData is null. Out of memory.
System.RankException	Thrown on fatal error.
System.ArrayTypeMismatchException	Thrown on fatal error.
System.InvalidCastException	Thrown when the data in aData is corrupted.
System.ArgumentOutOfRangeException	Thrown when the data length is 0 or greater then Int32.MaxValue. The size of the chain is less then zero. Entrys matadata offset value is invalid.
System.ArgumentException	Thrown when FAT type is unknown. aData length is 0.
System.NotSupportedException	Thrown when FAT type is unknown.

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DisplayFileSystemInfo()

Print filesystem info.

Declaration

public abstract void DisplayFileSystemInfo()

Exceptions

Type	Condition
System.IO.IOException	Thrown on I/O error.

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Format(String, Boolean)

Format drive. (delete all)

Declaration

public abstract void Format(string aDriveFormat, bool aQuick)

Parameters

Type	Name	Description
System.String	aDriveFormat	unused.
System.Boolean	aQuick	unused.

Exceptions

Type	Condition
System.ArgumentOutOfRangeException	Thrown when the data length is 0 or greater then Int32.MaxValue. Entrys matadata offset value is invalid. Fatal error.
System.ArgumentNullException	Thrown when filesystem is null / memory error.
System.ArgumentException	Data length is 0. Root path is null or empty. Memory error.
System.Exception	Thrown when data size invalid. Thrown on unknown file system type. Thrown on fatal error.
System.OverflowException	Thrown when data lenght is greater then Int32.MaxValue.
System.NotImplementedException	Thrown when FAT type is unknown.
System.RankException	Thrown on fatal error.
System.ArrayTypeMismatchException	Thrown on fatal error.
System.InvalidCastException	Thrown when the data in aData is corrupted.
System.NotSupportedException	Thrown when FAT type is unknown.

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GetDirectoryListing(DirectoryEntry)

Get list of sub-directories in a directory.

Declaration

public abstract List<DirectoryEntry> GetDirectoryListing(DirectoryEntry baseDirectory)

Parameters

Type	Name	Description
DirectoryEntry	baseDirectory	A base directory.

Returns

Type	Description
System.Collections.Generic.List<DirectoryEntry>	DirectoryEntry list.

Exceptions

Type	Condition
System.ArgumentNullException	Thrown when baseDirectory is null / memory error.
System.OverflowException	Thrown when data lenght is greater then Int32.MaxValue.
System.Exception	Thrown when data size invalid / invalid directory entry type.
System.ArgumentException	Thrown on memory error.
System.ArgumentOutOfRangeException	Thrown on memory error.

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GetRootDirectory()

Get root directory.

Declaration

public abstract DirectoryEntry GetRootDirectory()

Returns

Type	Description
DirectoryEntry	DirectoryEntry value.

Exceptions

Type	Condition
System.ArgumentOutOfRangeException	Thrown when root directory address is smaller then root directory address.
System.ArgumentNullException	Thrown when filesystem is null.
System.ArgumentException	Thrown when root path is null or empty.