/// <summary>
/// Create directory in ISO file
/// </summary>
protected void MkDir(string path)
{
IsoFolder f = isoRoot;
string[] ar = NormalizePath(path).Split('/');
for (int i = 0; i < ar.Length; i++)
{
string key = ar[i].Trim().ToLower();
if (!f.entries.ContainsKey(key))
{
var subf = new IsoFolder();
subf.Name = ar[i].Trim();
f.entries[key] = subf;
}
IsoEntry e = f.entries[key];
if (e.IsFile)
{
//throw new Exception("cannot create directory \"" + ar[i].Trim() + "\", a file by that Name already exists");
return; // already exists - silently fail for now
}
f = (IsoFolder)e;
}
}
private void GenFiles(IsoFolder thisFolder)
{
foreach (KeyValuePair<string, IsoEntry> it in thisFolder.entries)
if (it.Value.IsFile)
GenFile((IsoFile)it.Value);
else
GenFiles((IsoFolder)it.Value);
}
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);
}
private void GenDirectoryTree(IsoFolder parent_folder, IsoFolder this_folder, byte root)
{
this_folder.PathTableEntry = NextPathTableEntry++;
this_folder.DataBlock = generator.Index / LogicalBlockSize;
DirectoryRecord(".", this_folder, root);
DirectoryRecord("..", parent_folder, 0);
foreach (KeyValuePair<string, IsoEntry> it in this_folder.entries)
DirectoryRecord(it.Value.Name, it.Value, 0);
this_folder.DataLength = generator.Index - this_folder.DataBlock * LogicalBlockSize;
generator.FinishBlock();
foreach (KeyValuePair<string, IsoEntry> it in this_folder.entries)
if (it.Value.IsFolder)
GenDirectoryTree(this_folder, (IsoFolder)it.Value, 0);
}
/// <summary>
/// add a file to the ISO ( common implementation - called by AddFile() and AddBootFile() )
/// </summary>
private IsoFile AddFileEx(string path, FileInfo fileInfo)
{
string key;
string[] ar = NormalizePath(path).Split('/');
int i;
IsoFolder f = isoRoot;
for (i = 0; i < ar.Length - 1; i++)
{
key = ar[i].Trim().ToLower();
if (!f.entries.ContainsKey(key))
{
var subf = new IsoFolder();
subf.Name = ar[i].Trim();
f.entries[key] = subf;
}
IsoEntry e = f.entries[key];
if (e.IsFile)
{
throw new Exception("cannot create directory \"" + ar[i].Trim() + "\", a file by that Name already exists");
//return;
}
f = (IsoFolder)e;
}
var x = new IsoFile(fileInfo);
x.Name = ar[i].Trim();
key = ar[i].Trim().ToLower();
if (f.entries.ContainsKey(key))
{
//throw new Exception("file or folder by that Name already exists");
return (IsoFile)f.entries[key]; // just don't add it for now...
}
f.entries[key] = x;
return x;
}
