private void GenPrimaryVolumeDescriptor() // ( 8.4 )
{
PrimaryVolumeDescriptor = this.generator.Index / LogicalBlockSize;
var pvd = new FieldValidator(this.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(this.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(".", this.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 )
}
private string DirectoryRecordEx(byte[] fileName, string realName, IsoEntry e, byte root, bool secondPass)
{
byte[] /*b_fi,*/ b_su = null;
/*if (fileName == ".")
{
b_fi = new byte[] { 0 };
realName = "";
}
else if (fileName == "..")
{
b_fi = new byte[] { 1 };
realName = "";
}
else
b_fi = generator.Ascii.GetBytes(fileName);*/
byte LEN_FI = (byte)fileName.Length;
byte LEN_DR = (byte)(33 + LEN_FI);
bool fi_padding = ((LEN_DR & 1) != 0);
if (fi_padding) LEN_DR++;
// as much as I HATE to do it, I have to generate this data in both passes for now.
// I don't yet understand enough about what and how many DR entries have to be made to figure out how to do it "right"
byte LEN_SU = 0;
#if ROCKRIDGE
if (root != 1) // don't generate susp on PVD's root entry...
{
b_su = Susp(ref realName, e, root == 2, secondPass, (byte)(255 - LEN_DR));
if (b_su.Length > 255)
throw new NotImplementedException("can't yet handle SUSP > 255 bytes");
LEN_SU = (byte)b_su.Length;
}
else
realName = "";
#endif
LEN_DR += LEN_SU;
var dr = new FieldValidator(this.generator);
dr.Byte(LEN_DR, 1); // Length of Directory Record ( 9.1.1 )
dr.Byte(0, 2); // Extended Attribute Record Length ( 9.1.2 )
dr.IntLSBMSB(e.DataBlock, 3, 10); // Location of Extent ( 9.1.3 )
#if true
// in this test - I round the data length up to the next multiple of 2048, didn't help fix my booting problem though...
dr.IntLSBMSB(((e.DataLength - 1) / 2048 + 1) * 2048, 11, 18); // Data Length ( 9.1.4 )
#else
dr.IntLSBMSB(e.DataLength, 11, 18); // Data Length ( 9.1.4 )
#endif
dr.BinaryDateTime(System.DateTime.Now, 19, 25); // Recording Date and Time ( 9.1.5 )
byte flags = 0;
if (e.IsFile) {
IsoFile f = (IsoFile)e;
if ((f.fileInfo.Attributes & FileAttributes.Hidden) != 0)
flags |= 1; // hidden
}
else {
// TODO FIXME - not supporting hidden folders right now
//IsoFolder f = (IsoFolder)e;
//if ((f.dirInfo.Attributes & DirectoryAttributes.Hidden) != 0)
// flags |= 1; // hidden
}
if (e.IsFolder)
flags |= 2; // directory
#if false // I'm disabling this because analysing of a working ISO never sets this bit...
if (real_name.Length == 0)
flags |= 128; // final
#endif
dr.Byte(flags, 26); // flags ( 9.1.6 )
dr.Byte(0, 27); // File Unit Size ( 9.1.7 )
dr.Byte(0, 28); // Interleave Gap Size ( 9.1.8 )
dr.ShortLSBMSB(1, 29, 32); // Volume Sequence Number ( 9.1.9 )
dr.Byte(LEN_FI, 33); // Length of File Identifier ( 9.1.10 )
dr.Bytes(fileName, 34, 33 + LEN_FI);
if (fi_padding) dr.Zero(34 + LEN_FI, 34 + LEN_FI);
if (LEN_SU > 0) dr.Bytes(b_su, LEN_DR - LEN_SU + 1, LEN_DR);
return realName;
}
private void GenPrimaryVolumeDescriptor() // ( 8.4 )
{
PrimaryVolumeDescriptor = this.generator.Index / LogicalBlockSize;
var pvd = new FieldValidator(this.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(this.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(".", this.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 )
}
private string DirectoryRecordEx(byte[] fileName, string realName, IsoEntry e, byte root, bool secondPass)
{
byte[] /*b_fi,*/ b_su = null;
/*if (fileName == ".")
* {
* b_fi = new byte[] { 0 };
* realName = "";
* }
* else if (fileName == "..")
* {
* b_fi = new byte[] { 1 };
* realName = "";
* }
* else
* b_fi = generator.Ascii.GetBytes(fileName);*/
byte LEN_FI = (byte)fileName.Length;
byte LEN_DR = (byte)(33 + LEN_FI);
bool fi_padding = ((LEN_DR & 1) != 0);
if (fi_padding)
{
LEN_DR++;
}
// as much as I HATE to do it, I have to generate this data in both passes for now.
// I don't yet understand enough about what and how many DR entries have to be made to figure out how to do it "right"
byte LEN_SU = 0;
#if ROCKRIDGE
if (root != 1) // don't generate susp on PVD's root entry...
{
b_su = Susp(ref realName, e, root == 2, secondPass, (byte)(255 - LEN_DR));
if (b_su.Length > 255)
{
throw new NotImplementedException("can't yet handle SUSP > 255 bytes");
}
LEN_SU = (byte)b_su.Length;
}
else
{
realName = "";
}
#endif
LEN_DR += LEN_SU;
var dr = new FieldValidator(this.generator);
dr.Byte(LEN_DR, 1); // Length of Directory Record ( 9.1.1 )
dr.Byte(0, 2); // Extended Attribute Record Length ( 9.1.2 )
dr.IntLSBMSB(e.DataBlock, 3, 10); // Location of Extent ( 9.1.3 )
#if true
// in this test - I round the data length up to the next multiple of 2048, didn't help fix my booting problem though...
dr.IntLSBMSB(((e.DataLength - 1) / 2048 + 1) * 2048, 11, 18); // Data Length ( 9.1.4 )
#else
dr.IntLSBMSB(e.DataLength, 11, 18); // Data Length ( 9.1.4 )
#endif
dr.BinaryDateTime(System.DateTime.Now, 19, 25); // Recording Date and Time ( 9.1.5 )
byte flags = 0;
if (e.IsFile)
{
IsoFile f = (IsoFile)e;
if ((f.fileInfo.Attributes & FileAttributes.Hidden) != 0)
{
flags |= 1; // hidden
}
}
else
{
// TODO FIXME - not supporting hidden folders right now
//IsoFolder f = (IsoFolder)e;
//if ((f.dirInfo.Attributes & DirectoryAttributes.Hidden) != 0)
// flags |= 1; // hidden
}
if (e.IsFolder)
{
flags |= 2; // directory
}
#if false // I'm disabling this because analysing of a working ISO never sets this bit...
if (real_name.Length == 0)
{
flags |= 128; // final
}
#endif
dr.Byte(flags, 26); // flags ( 9.1.6 )
dr.Byte(0, 27); // File Unit Size ( 9.1.7 )
dr.Byte(0, 28); // Interleave Gap Size ( 9.1.8 )
dr.ShortLSBMSB(1, 29, 32); // Volume Sequence Number ( 9.1.9 )
dr.Byte(LEN_FI, 33); // Length of File Identifier ( 9.1.10 )
dr.Bytes(fileName, 34, 33 + LEN_FI);
if (fi_padding)
{
dr.Zero(34 + LEN_FI, 34 + LEN_FI);
}
if (LEN_SU > 0)
{
dr.Bytes(b_su, LEN_DR - LEN_SU + 1, LEN_DR);
}
return(realName);
}
