Difference between revisions of "Unit EXTFS"

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'''Ultibo EXT2/3/4 File System interface unit'''
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'''Ultibo EXT2/3/4 File System Interface unit'''
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''To be documented''
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=== Constants ===
 
=== Constants ===
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'''EXTFS recognizer'''
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'''EXTFS specific classes'''
  
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<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial;">
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{| class="wikitable" style="font-size: 14px; text-align: left; width: 100%; height: 50px;"
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<code>TEXTFSRecognizer = class(TRecognizer)</code>
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<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
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{| class="wikitable" style="font-size: 14px; background: white;"
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|-
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| <code>constructor Create(ADriver:TFileSysDriver);</code>
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| [[TEXTFSRecognizer|<code>TEXTFSRecognizer = class(TRecognizer)</code>]]
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| style="width: 50%;"|&nbsp;
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|colspan="2"|<div style="font-family: monospace,courier;">'''private'''</div>
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|colspan="2"|&nbsp;
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|colspan="2"|<div style="font-family: monospace,courier;">'''protected'''</div>
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| <code>function GetName:String; override;</code>
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| &nbsp;
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|colspan="2"|<div style="font-family: monospace,courier;">'''public'''</div>
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| <code>function RecognizePartitionId(APartitionId:Byte):Boolean; override;</code>
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| &nbsp;
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| <code>function RecognizeBootSector(ABootSector:PBootSector; const AStartSector,ASectorCount:Int64):Boolean; override;</code>
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| &nbsp;
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|colspan="2"|&nbsp;
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| <code>function RecognizePartition(APartition:TDiskPartition):Boolean; override;</code>
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| &nbsp;
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| <code>function RecognizeVolume(AVolume:TDiskVolume):Boolean; override;</code>
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| &nbsp;
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| <code>function MountVolume(AVolume:TDiskVolume; ADrive:TDiskDrive):Boolean; override;</code>
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</div></div>
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{| class="wikitable" style="font-size: 14px; text-align: left; width: 100%; height: 50px;"
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'''EXTFS partitioner'''
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<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial;">
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<code>TEXTFSPartitioner = class(TDiskPartitioner)</code>
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<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
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{| class="wikitable" style="font-size: 14px; background: white;"
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| <code>constructor Create(ADriver:TFileSysDriver; ARecognizer:TRecognizer);</code>
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| [[TEXTFSPartitioner|<code>TEXTFSPartitioner = class(TDiskPartitioner)</code>]]
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| style="width: 50%;"|&nbsp;
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|colspan="2"|<div style="font-family: monospace,courier;">'''private'''</div>
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|colspan="2"|&nbsp;
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|colspan="2"|<div style="font-family: monospace,courier;">'''protected'''</div>
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| <code>function CheckLogical(ADevice:TDiskDevice; AParent:TDiskPartition; APartitionId:Byte):Boolean; override;</code>
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| &nbsp;
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| <code>function CheckExtended(ADevice:TDiskDevice; AParent:TDiskPartition; APartitionId:Byte):Boolean; override;</code>
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| &nbsp;
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|colspan="2"|&nbsp;
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| <code>function GetPartitionId(ADevice:TDiskDevice; AParent:TDiskPartition; AStart,ACount:LongWord; APartitionId:Byte):Byte; override;</code>
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| &nbsp;
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|colspan="2"|&nbsp;
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| <code>function InitPartition(ADevice:TDiskDevice; AParent:TDiskPartition; AStart,ACount:LongWord; APartitionId:Byte):Boolean; override;</code>
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| &nbsp;
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|colspan="2"|<div style="font-family: monospace,courier;">'''public'''</div>
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| <code>function AcceptPartition(ADevice:TDiskDevice; APartition,AParent:TDiskPartition; APartitionId:Byte):Boolean; override;</code>
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| &nbsp;
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|}
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</div></div>
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{| class="wikitable" style="font-size: 14px; text-align: left; width: 100%; height: 50px;"
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'''EXTFS filesystem'''
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<div class="toccolours mw-collapsible mw-collapsed" style="border: 1; font-family: arial;">
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<code>TEXTFSFileSystem = class(TFileSystem)</code>
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<div class="mw-collapsible-content" style="text-align: left; padding-left: 5px;">
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{| class="wikitable" style="font-size: 14px; background: white;"
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| <code>constructor Create(ADriver:TFileSysDriver; AVolume:TDiskVolume; ADrive:TDiskDrive);</code>
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| [[TEXTFSFileSystem|<code>TEXTFSFileSystem = class(TFileSystem)</code>]]
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| style="width: 50%;"|&nbsp;
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| <code>destructor Destroy; override;</code>
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| &nbsp;
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|colspan="2"|<div style="font-family: monospace,courier;">'''private'''</div>
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|colspan="2"|&nbsp;
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|colspan="2"|<div style="font-family: monospace,courier;">'''public'''</div>
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|colspan="2"|&nbsp;
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</div></div>
 
 
<br />
 
<br />
  
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! '''Note'''
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! Note
 
| None documented
 
| None documented
 
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{| class="wikitable" style="font-size: 14px; background: white;"
 
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! '''Note'''
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! Note
 
| None documented
 
| None documented
 
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Latest revision as of 05:36, 31 August 2021

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Description

Ultibo EXT2/3/4 File System Interface unit

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 specific classes

TEXTFSRecognizer = class(TRecognizer)
TEXTFSPartitioner = class(TDiskPartitioner)
TEXTFSFileSystem = class(TFileSystem)


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


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