Unit CDFS
From Ultibo.org
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Description
Ultibo CDFS interface unit
To be documented
Constants
CDFS specific constants
cdfs* cdfsIso9660 = 0;
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cdfsJoilet = 1;
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cdfsSierra = 2;
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cdfsRockRidge = 3;
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cdfsAudio = 4;
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cdfsUDF = 5;
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cdfsNames:array[0..5] of String = (
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'CD001',
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'CD001',
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'CDROM',
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,
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'CDAUDIO',
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);
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cdfsAnyName = '*';
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cdfsDotName = '.';
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cdfsDotDotName = '..';
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cdfsBlankName = ;
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cdfsVersionName = '1';
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Used by version information on end of identifier (Not Used) |
cdfsSeparator1Name = '.';
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Dot on end of identifier when no extension exists (File only) |
cdfsSeparator2Name = ';';
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Used by version information on end of identifier (File only) |
cdfsJolietMaxPath = 240;
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120 (240 bytes) |
cdfsJolietMaxFile = 64;
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(128 bytes) |
cdfsISO9660MaxPath = 240;
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cdfsISO9660MaxFile = 30;
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31 for Directories |
cdfsISO9660StandardIdentifier = 'CD001';
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cdfsELTORITOSystemIdentifier = 'EL TORITO SPECIFICATION';
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cdfsFirstSector = 0;
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cdfsReservedSectors = 16;
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cdfsISO9660StartSector = 16;
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cdfsELTORITOBootSector = 17;
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cdfsISO9660StructureVersion = 1;
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cdfsISO9660DescriptorVersion = 1;
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cdfsELTORITODescriptorVersion = 1;
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cdfsJolietUCS2Sequence1 = #37 + #47 + #64;
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'%/@' |
cdfsJolietUCS2Sequence2 = #37 + #47 + #67;
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'%/C' |
cdfsJolietUCS2Sequence3 = #37 + #47 + #69;
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'%/E' |
cdfsDotIdentifier = $00;
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cdfsDotDotIdentifier = $01;
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cdfsSeparator1Value = $2E;
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'.' |
cdfsSeparator2Value = $3B;
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';' |
cdfsTimeStartYear = 1900;
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CDFS Time starts at 1900 |
cdfsTimeOffsetInterval = 15;
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Offset is in 15 minute intervals |
cdfsNullFileTime:TFileTime = (dwLowDateTime:$00000000;dwHighDateTime:$00000000);
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cdfsStartCluster = 16;
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cdfsUnknownCluster = LongWord(-1);
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cdfsRootPathNumber = 1;
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cdfsPathRecordSize = 9;
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Minimum |
cdfsExtendedRecordSize = 250;
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Minimum |
cdfsDirectoryRecordSize = 34;
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Minimum |
cdfsFileIdentifierSize = 1;
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Minimum |
cdfsPathIdentifierSize = 1;
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Minimum |
cdfsHeaderRecordSize = 32;
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Fixed |
cdfsCatalogRecordSize = 32;
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Fixed |
cdfsExtensionRecordSize = 32;
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Fixed |
cdfsEvenSize = 0;
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cdfsUnevenSize = 1;
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cdfsRootRecordOffset = 156;
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Offset of Root Directory in Descriptor |
cdfsInstanceFirst = 0;
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cdfsInstanceLast = Byte(-1);
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cdfsTableTypeMask = $00FF0000;
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cdfsTableTypeShift = 16;
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cdfsTableInstanceMask = $0000FF00;
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cdfsTableInstanceShift = 8;
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cdfsTableDescriptorMask = $000000FF;
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cdfsTableDescriptorShift = 0;
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cdfsBitmapUnknown = LongWord(-1);
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CDFS bitmap mask constants
cdfsBitmapMask* cdfsBitmapMaskBits = 64;
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Int64 Bitmap Masks |
cdfsBitmapMaskNone = $0000000000000000;
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Int64 Used for fast counting of free blocks |
cdfsBitmapMaskAll = $FFFFFFFFFFFFFFFF;
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Int64 Used for fast counting of used blocks |
CDFS volume flag constants
cdfsVolumeFlag* cdfsVolumeFlagNone = $00;
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cdfsVolumeFlagUnregistered = $01;
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If set this SVD contains an unregistered escape sequence |
CDFS file flag constants
cdfsFileFlag* cdfsFileFlagNone = $00;
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cdfsFileFlagExistence = $01;
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If set this file is hidden |
cdfsFileFlagDirectory = $02;
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If set this record is a directory |
cdfsFileFlagAssociated = $04;
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If set this file is an associated file |
cdfsFileFlagRecord = $08;
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If set record information is recorded for this file |
cdfsFileFlagProtection = $10;
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If set permissions are recorded for this file |
cdfsFileFlagReserved1 = $20;
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Reserved |
cdfsFileFlagReserved2 = $40;
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Reserved |
cdfsFileFlagMore = $80;
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If set there are more directory records for this file |
CDFS permissions constants
cdfsPermission* cdfsPermissionSystemRead = $0001;
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If set system cannot Read |
cdfsPermissionSystemWrite = $0002;
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If set system cannot Write |
cdfsPermissionSystemExecute = $0004;
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If set system cannot Execute |
cdfsPermissionReserved1 = $0008;
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Reserved |
cdfsPermissionOwnerRead = $0010;
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If set owner cannot Read |
cdfsPermissionOwnerWrite = $0020;
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If set owner cannot Write |
cdfsPermissionOwnerExecute = $0040;
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If set owner cannot Execute |
cdfsPermissionReserved2 = $0080;
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Reserved |
cdfsPermissionGroupRead = $0100;
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If set group cannot Read |
cdfsPermissionGroupWrite = $0200;
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If set group cannot Write |
cdfsPermissionGroupExecute = $0400;
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If set group cannot Execute |
cdfsPermissionReserved3 = $0800;
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Reserved |
cdfsPermissionOtherRead = $1000;
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If set other cannot Read |
cdfsPermissionOtherWrite = $2000;
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If set other cannot Write |
cdfsPermissionOtherExecute = $4000;
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If set other cannot Execute |
cdfsPermissionReserved4 = $8000;
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Reserved |
CDFS path table constants
cdfsPathTable* cdfsPathTableTypePrimary = $00;
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cdfsPathTableTypeAlternate = $01;
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cdfsPathTableTypePrimaryM = $02;
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cdfsPathTableTypeAlternateM = $03;
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CDFS volume descriptor constants
cdfsVolumeDescriptor* cdfsVolumeDescriptorTypeBoot = $00;
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cdfsVolumeDescriptorTypePrimary = $01;
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cdfsVolumeDescriptorTypeSupplementary = $02;
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cdfsVolumeDescriptorTypePartition = $03;
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cdfsVolumeDescriptorTypeTerminator = $FF;
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CDFS header constants
cdfsElTorito* cdfsElToritoHeaderId = $01;
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cdfsElToritoBootIndicator = $88;
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cdfsElToritoNoBootIndicator = $00;
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cdfsElToritoHeaderIndicator = $90;
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91 if final header |
cdfsElToritoHeaderTerminator = $91;
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cdfsElToritoExtensionIndicator = $44;
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CDFS signature constants
cdfsElToritoSignature* cdfsElToritoSignature = $AA55;
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CDFS platform Id constants
cdfsElToritoPlatform* cdfsElToritoPlatformIdx86 = $00;
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cdfsElToritoPlatformIdPPC = $01;
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cdfsElToritoPlatformIdMac = $02;
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CDFS media type constants
cdfsElToritoMedia* cdfsElToritoMediaTypeNone = $00;
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No Emulation |
cdfsElToritoMediaType12M = $01;
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1.2 meg diskette |
cdfsElToritoMediaType144M = $02;
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1.44 meg diskette |
cdfsElToritoMediaType288M = $03;
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2.88 meg diskette |
cdfsElToritoMediaTypeHDD = $04;
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Hard Disk (drive 80) |
cdfsElToritoMediaTypeMask = $0F;
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Values 5-F Reserved, invalid at this time |
cdfsElToritoMediaFlagReserved = $10;
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Reserved, must be 0 |
cdfsElToritoMediaFlagContinuation = $20;
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Continuation Entry Follows |
cdfsElToritoMediaFlagAtapi = $40;
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Image contains ATAPI driver |
cdfsElToritoMediaFlagScsi = $80;
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Image contains SCSI drivers |
cdfsElToritoMediaFlagMask = $F0;
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CDFS extension flag constants
cdfsElToritoExtensionFlag* cdfsElToritoExtensionFlagExtension = $20;
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Extension Record Follows |
Type definitions
To be documented
Public variables
To be documented
Function declarations
Initialization functions
procedure CDFSInit;
Description: To be documented
| Note | None documented |
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procedure CDFSQuit;
Description: To be documented
| Note | None documented |
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CDFS helper functions
function CDFSDataToPointer(const AData; ASize:Integer; ASwap:Boolean):Pointer;
Description: Creates a pointer and copies data from a buffer
| Note | Allows byte order swapping on copy |
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function CDFSPointerToData(APointer:Pointer; var AData; ASize:Integer; ASwap:Boolean):Boolean;
Description: Copies data to a buffer from supplied pointer
| Note | Allows byte order swapping on copy |
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function CDFSIdentifierToString(const AIdentifier; ASize:Integer; AUnicode:Boolean):String;
Description: Converts the supplied indentifier to a string
| Note | Accounts for unicode and byte ordering |
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function CDFSStringToIdentifier(const AString:String; var AIdentifier; ASize:Integer; AUnicode:Boolean):Boolean;
Description: Converts the supplied string to an identifier
| Note | Accounts for unicode and byte ordering |
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function CDFSIdentifierToFileName(const AIdentifier; ASize:Integer; AUnicode:Boolean):String;
Description: Converts the supplied identifier to a filename
| Note | Accounts for dot and dot dot special entries |
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function CDFSFileNameToIdentifier(const AFileName:String; var AIdentifier; ASize:Integer; AUnicode:Boolean):Boolean;
Description: Converts the supplied filename to an identifier
| Note | Accounts for dot and dot dot special entries |
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function CDFSTimeToFileTime(const ATime:TCDFSTime):TFileTime;
Description: Converts a CDFS Time in Local to a File Time in UTC
| Note | None documented |
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function FileTimeToCDFSTime(const AFileTime:TFileTime; var ATime:TCDFSTime):Boolean;
Description: Converts a File Time in UTC to a CDFS Time in Local
| Note | None documented |
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function CDFSDateTimeToFileTime(const ADateTime:TCDFSDateTime):TFileTime;
Description: Converts a CDFS Date Time in Local to a File Time in UTC
| Note | None documented |
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function FileTimeToCDFSDateTime(const AFileTime:TFileTime; var ADateTime:TCDFSDateTime):Boolean;
Description: Converts a File Time in UTC to a CDFS Date Time in Local
| Note | None documented |
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