Пример #1
0
		private void GenPathTableEx(IsoFolder parentFolder, IsoFolder thisFolder, bool lsb)
		{
			var di = new FieldValidator(generator);

			// Path table record ( ECMA-119 section 9.4 )
			byte[] b_di = generator.IsoName(thisFolder.Name, true);
			di.Byte((byte)b_di.Length, 1);
			di.Byte(0, 2); // Extended Attribute Record Length
			if (lsb)
			{
				di.IntLSB(thisFolder.DataBlock, 3, 6); // Location of Extent
				di.ShortLSB(parentFolder.PathTableEntry, 7, 8); // Parent Directory Number
			}
			else
			{
				di.IntMSB(thisFolder.DataBlock, 3, 6); // Location of Extent
				di.ShortMSB(parentFolder.PathTableEntry, 7, 8); // Parent Directory Number
			}
			di.Bytes(b_di, 9, 8 + b_di.Length); // Directory Identifier
			if ((b_di.Length & 1) != 0)
				di.Byte(0, 9 + b_di.Length); // optional padding if LEN_DI is odd

			foreach (KeyValuePair<string, IsoEntry> it in thisFolder.entries)
				if (it.Value.IsFolder)
					GenPathTableEx(thisFolder, (IsoFolder)it.Value, lsb);
		}
Пример #2
0
		private void GenPrimaryVolumeDescriptor() // ( 8.4 )
		{
			PrimaryVolumeDescriptor = generator.Index / LogicalBlockSize;
			var pvd = new FieldValidator(generator);
			pvd.Byte(1, 1); // Volume Descriptor Type ( 8.4.1 )
			pvd.AString("CD001", 2, 6); // Standard Identifier ( 8.4.2 )
			pvd.Byte(1, 7); // Volume Descriptor Version ( 8.4.3 )
			pvd.Zero(8, 8); // Unused Field ( 8.4.4 )
			pvd.AString("?", 9, 40); // System Identifier ( 8.4.5 )
			pvd.DString(volumeLabel, 41, 72); // Volume Identifier ( 8.4.6 )
			pvd.Zero(73, 80); // Unused Field ( 8.4.7 )
			pvd.IntLSBMSB((TotalSize + LogicalBlockSize - 1) / LogicalBlockSize, 81, 88); // Volume Space Size ( 8.4.8 )
			pvd.Zero(89, 120); // Unused Field ( 8.4.9 )
			pvd.ShortLSBMSB(1, 121, 124); // Volume Set Size ( 8.4.10 )
			pvd.ShortLSBMSB(1, 125, 128); // Volume Sequence Number ( 8.4.11 )
			pvd.ShortLSBMSB(LogicalBlockSize, 129, 132); // Logical Block Size ( 8.4.12 )
			pvd.IntLSBMSB(PathTableSize, 133, 140); // Path Table Size ( 8.4.13 )
			pvd.IntLSB(LPathTable, 141, 144); // L Path Table ( 8.4.14 )
			pvd.IntLSB(0, 145, 148); // Optional L Path Table ( 8.4.15 )
			pvd.IntMSB(MPathTable, 149, 152); // M Path Table ( 8.4.16 )
			pvd.IntMSB(0, 153, 156); // Optional M Path Table ( 8.4.17 )
			pvd.BeginField(157);
			DirectoryRecord(".", isoRoot, 1); // Directory Record for Root Directory ( 8.4.18 )
			pvd.EndField(190);
			pvd.DupByte(0x20, 191, 318); // Volume Set Identifier ( 8.4.19 )
			pvd.DupByte(0x20, 319, 446); // Publisher Identifier ( 8.4.20 )
			pvd.DupByte(0x20, 447, 574); // Data Preparer ( 8.4.21 )
			pvd.DupByte(0x20, 575, 702); // Application Identifier ( 8.4.22 )
			pvd.DupByte(0x20, 703, 739); // Copyright File Identifier ( 8.4.23 )
			pvd.DupByte(0x20, 740, 776); // Abstract File Identifier ( 8.4.24 )
			pvd.DupByte(0x20, 777, 813); // Bibliographic File Identifier ( 8.4.25 )
			System.DateTime now = System.DateTime.Now;
			pvd.AnsiDateTime(now, 814, 830); // Volume Creation Date and Time ( 8.4.26 )
			pvd.AnsiDateTime(now, 831, 847); // Volume Modification Date and Time ( 8.4.27 )
			pvd.Zero(848, 864); // Volume Expiration Date and Time ( 8.4.28 )
			pvd.Zero(865, 881); // Volume Effective Date and Time ( 8.4.29 )
			pvd.Byte(1, 882); // File Structure Version ( 8.4.30 )
			pvd.Zero(883, 883); // Reserved ( 8.4.31 )
			pvd.Zero(884, 1395); // Application Use ( 8.4.32 )
			pvd.Zero(1396, 2048); // Reserved for Future Standardization ( 8.4.33 )
		}