Difference between revisions of "Unit EXTFS"

From Ultibo.org
Jump to: navigation, search
(Created page with "Return to Unit Reference === Description === ---- ''To be documented'' === Constants === ---- ''To be documented'' === Type definitions === ---- ''To...")
 
Line 4: Line 4:
 
=== Description ===
 
=== Description ===
 
----
 
----
 +
 +
'''Ultibo EXT2/3/4 File System interface unit'''
  
 
''To be documented''
 
''To be documented''
Line 10: Line 12:
 
----
 
----
  
−
''To be documented''
+
 
 +
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 20px; padding-bottom: 15px;">
 +
<div style="font-size: 14px; padding-left: 12px;"> <code> extfs_* </code></div>
 +
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 +
{| class="wikitable" style="font-size: 14px; background: white;"
 +
|-
 +
| <code>extfsEXT2 = 0;</code>
 +
| style="width: 50%;"|&nbsp;
 +
|-
 +
| <code>extfsEXT3 = 1;</code>
 +
| &nbsp;
 +
|-
 +
| <code>rxtfsEXT4 = 2;</code>
 +
| &nbsp;
 +
|-
 +
|colspan="2"|&nbsp;
 +
|-
 +
| <code>extfsNames:array[0..2] of String = (</code>
 +
| &nbsp;
 +
|-
 +
| <code>'EXT2',</code>
 +
| &nbsp;
 +
|-
 +
| <code>'EXT3',</code>
 +
| &nbsp;
 +
|-
 +
| <code>'EXT4');</code>
 +
| &nbsp;
 +
|-
 +
|}
 +
</div></div>
 +
<br />
  
 
=== Type definitions ===
 
=== Type definitions ===
 
----
 
----
  
−
''To be documented''
+
 
 +
'''EXTFS specific types'''
 +
 
 +
{| class="wikitable" style="font-size: 14px; text-align: left; width: 100%; height: 50px;"
 +
|-
 +
| <code>TEXTFSType = (etNONE,etEXT2,etEXT3,etEXT4);</code>
 +
| style="width: 40%;"|
 +
|-
 +
|}
 +
<br />
 +
 
 +
=== Class definitions ===
 +
----
 +
 
 +
 
 +
'''EXTFS recognizer'''
 +
 
 +
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial;">
 +
 
 +
<code>TEXTFSRecognizer = class(TRecognizer)</code>
 +
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 +
{| class="wikitable" style="font-size: 14px; background: white;"
 +
|-
 +
| <code>constructor Create(ADriver:TFileSysDriver);</code>
 +
| style="width: 50%;"|&nbsp;
 +
|-
 +
|colspan="2"|<div style="font-family: monospace,courier;">'''private'''</div>
 +
|-
 +
|colspan="2"|&nbsp;
 +
|-
 +
|colspan="2"|<div style="font-family: monospace,courier;">'''protected'''</div>
 +
|-
 +
| <code>function GetName:String; override;</code>
 +
| &nbsp;
 +
|-
 +
|colspan="2"|<div style="font-family: monospace,courier;">'''public'''</div>
 +
|-
 +
| <code>function RecognizePartitionId(APartitionId:Byte):Boolean; override;</code>
 +
| &nbsp;
 +
|-
 +
| <code>function RecognizeBootSector(ABootSector:PBootSector; const AStartSector,ASectorCount:Int64):Boolean; override;</code>
 +
| &nbsp;
 +
|-
 +
|colspan="2"|&nbsp;
 +
|-
 +
| <code>function RecognizePartition(APartition:TDiskPartition):Boolean; override;</code>
 +
| &nbsp;
 +
|-
 +
| <code>function RecognizeVolume(AVolume:TDiskVolume):Boolean; override;</code>
 +
| &nbsp;
 +
|-
 +
| <code>function MountVolume(AVolume:TDiskVolume; ADrive:TDiskDrive):Boolean; override;</code>
 +
| &nbsp;
 +
|-
 +
|}
 +
</div></div>
 +
 
 +
'''EXTFS partitioner'''
 +
 
 +
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial;">
 +
 
 +
<code>TEXTFSPartitioner = class(TDiskPartitioner)</code>
 +
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 +
{| class="wikitable" style="font-size: 14px; background: white;"
 +
|-
 +
| <code>constructor Create(ADriver:TFileSysDriver; ARecognizer:TRecognizer);</code>
 +
| style="width: 50%;"|&nbsp;
 +
|-
 +
|colspan="2"|<div style="font-family: monospace,courier;">'''private'''</div>
 +
|-
 +
|colspan="2"|&nbsp;
 +
|-
 +
|colspan="2"|<div style="font-family: monospace,courier;">'''protected'''</div>
 +
|-
 +
| <code>function CheckLogical(ADevice:TDiskDevice; AParent:TDiskPartition; APartitionId:Byte):Boolean; override;</code>
 +
| &nbsp;
 +
|-
 +
| <code>function CheckExtended(ADevice:TDiskDevice; AParent:TDiskPartition; APartitionId:Byte):Boolean; override;</code>
 +
| &nbsp;
 +
|-
 +
|colspan="2"|&nbsp;
 +
|-
 +
| <code>function GetPartitionId(ADevice:TDiskDevice; AParent:TDiskPartition; AStart,ACount:LongWord; APartitionId:Byte):Byte; override;</code>
 +
| &nbsp;
 +
|-
 +
|colspan="2"|&nbsp;
 +
|-
 +
| <code>function InitPartition(ADevice:TDiskDevice; AParent:TDiskPartition; AStart,ACount:LongWord; APartitionId:Byte):Boolean; override;</code>
 +
| &nbsp;
 +
|-
 +
|colspan="2"|<div style="font-family: monospace,courier;">'''public'''</div>
 +
|-
 +
| <code>function AcceptPartition(ADevice:TDiskDevice; APartition,AParent:TDiskPartition; APartitionId:Byte):Boolean; override;</code>
 +
| &nbsp;
 +
|-
 +
|}
 +
</div></div>
 +
 
 +
'''EXTFS filesystem'''
 +
 
 +
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial;">
 +
 
 +
<code>TEXTFSFileSystem = class(TFileSystem)</code>
 +
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 +
{| class="wikitable" style="font-size: 14px; background: white;"
 +
|-
 +
| <code>constructor Create(ADriver:TFileSysDriver; AVolume:TDiskVolume; ADrive:TDiskDrive);</code>
 +
| style="width: 50%;"|&nbsp;
 +
|-
 +
| <code>destructor Destroy; override;</code>
 +
| &nbsp;
 +
|-
 +
|colspan="2"|<div style="font-family: monospace,courier;">'''private'''</div>
 +
|-
 +
|colspan="2"|&nbsp;
 +
|-
 +
|colspan="2"|<div style="font-family: monospace,courier;">'''public'''</div>
 +
|-
 +
|colspan="2"|&nbsp;
 +
|-
 +
|}
 +
</div></div>
 +
<br />
  
 
=== Public variables ===
 
=== Public variables ===
 
----
 
----
  
−
''To be documented''
+
''None defined''
  
 
=== Function declarations ===
 
=== Function declarations ===
 
----
 
----
  
−
''To be documented''
 
  
 +
'''Initialization functions'''
 +
 +
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
 +
<pre style="border: 0; padding-bottom:0px;">procedure EXTFSInit;</pre>
 +
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
 +
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 +
{| class="wikitable" style="font-size: 14px; background: white;"
 +
|-
 +
! '''Note'''
 +
| None documented
 +
|-
 +
|}
 +
</div></div>
 +
<br />
 +
<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial; padding-top: 0px; padding-bottom: 15px;">
 +
<pre style="border: 0; padding-bottom:0px;">procedure EXTFSQuit;</pre>
 +
<div style="font-size: 14px; padding-left: 12px;">'''Description:''' To be documented</div>
 +
<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
 +
{| class="wikitable" style="font-size: 14px; background: white;"
 +
|-
 +
! '''Note'''
 +
| None documented
 +
|-
 +
|}
 +
</div></div>
 +
<br />
  
 
Return to [[Unit_Reference|Unit Reference]]
 
Return to [[Unit_Reference|Unit Reference]]

Revision as of 03:46, 19 June 2017

Return to Unit Reference


Description

Ultibo EXT2/3/4 File System interface unit

To be documented

Constants


extfs_*
extfsEXT2 = 0;  
extfsEXT3 = 1;  
rxtfsEXT4 = 2;  
 
extfsNames:array[0..2] of String = (  
'EXT2',  
'EXT3',  
'EXT4');  


Type definitions


EXTFS specific types

TEXTFSType = (etNONE,etEXT2,etEXT3,etEXT4);


Class definitions


EXTFS recognizer

TEXTFSRecognizer = class(TRecognizer)

constructor Create(ADriver:TFileSysDriver);  
private
 
protected
function GetName:String; override;  
public
function RecognizePartitionId(APartitionId:Byte):Boolean; override;  
function RecognizeBootSector(ABootSector:PBootSector; const AStartSector,ASectorCount:Int64):Boolean; override;  
 
function RecognizePartition(APartition:TDiskPartition):Boolean; override;  
function RecognizeVolume(AVolume:TDiskVolume):Boolean; override;  
function MountVolume(AVolume:TDiskVolume; ADrive:TDiskDrive):Boolean; override;  

EXTFS partitioner

TEXTFSPartitioner = class(TDiskPartitioner)

constructor Create(ADriver:TFileSysDriver; ARecognizer:TRecognizer);  
private
 
protected
function CheckLogical(ADevice:TDiskDevice; AParent:TDiskPartition; APartitionId:Byte):Boolean; override;  
function CheckExtended(ADevice:TDiskDevice; AParent:TDiskPartition; APartitionId:Byte):Boolean; override;  
 
function GetPartitionId(ADevice:TDiskDevice; AParent:TDiskPartition; AStart,ACount:LongWord; APartitionId:Byte):Byte; override;  
 
function InitPartition(ADevice:TDiskDevice; AParent:TDiskPartition; AStart,ACount:LongWord; APartitionId:Byte):Boolean; override;  
public
function AcceptPartition(ADevice:TDiskDevice; APartition,AParent:TDiskPartition; APartitionId:Byte):Boolean; override;  

EXTFS filesystem

TEXTFSFileSystem = class(TFileSystem)

constructor Create(ADriver:TFileSysDriver; AVolume:TDiskVolume; ADrive:TDiskDrive);  
destructor Destroy; override;  
private
 
public
 


Public variables

None defined

Function declarations


Initialization functions 

procedure EXTFSInit;
Description: To be documented
Note None documented 


procedure EXTFSQuit;
Description: To be documented
Note None documented


Return to Unit Reference

Retrieved from "https://ultibo.org/mediawiki_ultibo_org/index.php?title=Unit_EXTFS&oldid=3335"