internal void SetDirectoryEntryMetadataValue(FatDirectoryEntryMetadata entryMetadata, string value)
{
if (IsRootDirectory())
{
throw new Exception("Root directory metadata can not be changed using the file stream.");
}
var data = ((FatDirectoryEntry)Parent).GetDirectoryEntryData();
if (data.Length > 0)
{
var value2 = new byte[entryMetadata.DataLength];
var value3 = Encoding.UTF8.GetBytes(value);
for (var i = 0; i < value2.Length; i++)
{
if (i < value3.Length)
{
value2[i] = value3[i];
}
else
{
value2[i] = 32;
}
}
var offset = EntryHeaderDataOffset + entryMetadata.DataOffset;
Array.Copy(value2, 0, data, offset, entryMetadata.DataLength);
((FatDirectoryEntry)Parent).SetDirectoryEntryData(data);
}
}
internal void SetLongFilenameEntryMetadataValue(uint entryHeaderDataOffset, FatDirectoryEntryMetadata entryMetadata, string value)
{
var data = GetDirectoryEntryData();
if (data.Length > 0)
{
var value2 = Encoding.Unicode.GetBytes(value);
var offset = entryHeaderDataOffset + entryMetadata.DataOffset;
Array.Copy(value2, 0, data, (int)offset, (int)entryMetadata.DataLength);
SetDirectoryEntryData(data);
}
}
internal void SetLongFilenameEntryMetadataValue(uint entryHeaderDataOffset, FatDirectoryEntryMetadata entryMetadata, long value)
{
var data = GetDirectoryEntryData();
if (data.Length > 0)
{
var value2 = new byte[entryMetadata.DataLength];
value2.SetUInt32(0, (uint)value);
var offset = entryHeaderDataOffset + entryMetadata.DataOffset;
Array.Copy(value2, 0, data, (int)offset, (int)entryMetadata.DataLength);
SetDirectoryEntryData(data);
}
}
internal void SetDirectoryEntryMetadataValue(FatDirectoryEntryMetadata entryMetadata, byte value)
{
if (IsRootDirectory())
{
throw new Exception("Root directory metadata can not be changed using the file stream.");
}
var data = ((FatDirectoryEntry)Parent).GetDirectoryEntryData();
if (data.Length > 0)
{
var offset = EntryHeaderDataOffset + entryMetadata.DataOffset;
data[offset] = value;
((FatDirectoryEntry)Parent).SetDirectoryEntryData(data);
}
}
internal void SetDirectoryEntryMetadataValue(FatDirectoryEntryMetadata entryMetadata, long value)
{
if (IsRootDirectory())
{
throw new Exception("Root directory metadata can not be changed using the file stream.");
}
var data = ((FatDirectoryEntry)Parent).GetDirectoryEntryData();
if (data.Length > 0)
{
var value2 = new byte[entryMetadata.DataLength];
value2.SetUInt32(0, (uint)value);
var offset = EntryHeaderDataOffset + entryMetadata.DataOffset;
Array.Copy(value2, 0, data, offset, entryMetadata.DataLength);
((FatDirectoryEntry)Parent).SetDirectoryEntryData(data);
}
}
