// Reads the elements from the passed dictionary, which comes from the first global extended attributes entry,
// and inserts or replaces those elements into the current header's dictionary.
// If any of the dictionary entries use the name of a standard attribute (not all of them), that attribute's value gets replaced with the one from the dictionary.
// Unlike the historic header, numeric values in extended attributes are stored using decimal, not octal.
// Throws if any conversion from string to the expected data type fails.
internal void ReplaceNormalAttributesWithGlobalExtended(IReadOnlyDictionary <string, string> gea)
{
// First step: Insert or replace all the elements in the passed dictionary into the current header's dictionary.
foreach ((string key, string value) in gea)
{
_extendedAttributes ??= new Dictionary <string, string>();
_extendedAttributes[key] = value;
}
// Second, find only the attributes that make sense to substitute, and replace them.
if (gea.TryGetValue(PaxEaATime, out string?paxEaATime))
{
if (TarHelpers.TryConvertToDateTimeOffset(paxEaATime, out DateTimeOffset aTime))
{
_aTime = aTime;
}
}
if (gea.TryGetValue(PaxEaCTime, out string?paxEaCTime))
{
if (TarHelpers.TryConvertToDateTimeOffset(paxEaCTime, out DateTimeOffset cTime))
{
_cTime = cTime;
}
}
if (gea.TryGetValue(PaxEaMTime, out string?paxEaMTime))
{
if (TarHelpers.TryConvertToDateTimeOffset(paxEaMTime, out DateTimeOffset mTime))
{
_mTime = mTime;
}
}
if (gea.TryGetValue(PaxEaMode, out string?paxEaMode))
{
_mode = Convert.ToInt32(paxEaMode);
}
if (gea.TryGetValue(PaxEaUid, out string?paxEaUid))
{
_uid = Convert.ToInt32(paxEaUid);
}
if (gea.TryGetValue(PaxEaGid, out string?paxEaGid))
{
_gid = Convert.ToInt32(paxEaGid);
}
if (gea.TryGetValue(PaxEaUName, out string?paxEaUName))
{
_uName = paxEaUName;
}
if (gea.TryGetValue(PaxEaGName, out string?paxEaGName))
{
_gName = paxEaGName;
}
}
// Reads the elements from the passed dictionary, which comes from the previous extended attributes entry,
// and inserts or replaces those elements into the current header's dictionary.
// If any of the dictionary entries use the name of a standard attribute, that attribute's value gets replaced with the one from the dictionary.
// Unlike the historic header, numeric values in extended attributes are stored using decimal, not octal.
// Throws if any conversion from string to the expected data type fails.
internal void ReplaceNormalAttributesWithExtended(IEnumerable <KeyValuePair <string, string> > extendedAttributesEnumerable)
{
Dictionary <string, string> ea = new Dictionary <string, string>(extendedAttributesEnumerable);
if (ea.Count == 0)
{
return;
}
_extendedAttributes ??= new Dictionary <string, string>();
// First step: Insert or replace all the elements in the passed dictionary into the current header's dictionary.
foreach ((string key, string value) in ea)
{
_extendedAttributes[key] = value;
}
// Second, find all the extended attributes with known names and save them in the expected standard attribute.
if (ea.TryGetValue(PaxEaName, out string?paxEaName))
{
_name = paxEaName;
}
if (ea.TryGetValue(PaxEaLinkName, out string?paxEaLinkName))
{
_linkName = paxEaLinkName;
}
if (ea.TryGetValue(PaxEaATime, out string?paxEaATime))
{
if (TarHelpers.TryConvertToDateTimeOffset(paxEaATime, out DateTimeOffset aTime))
{
_aTime = aTime;
}
}
if (ea.TryGetValue(PaxEaCTime, out string?paxEaCTime))
{
if (TarHelpers.TryConvertToDateTimeOffset(paxEaCTime, out DateTimeOffset cTime))
{
_cTime = cTime;
}
}
if (ea.TryGetValue(PaxEaMTime, out string?paxEaMTime))
{
if (TarHelpers.TryConvertToDateTimeOffset(paxEaMTime, out DateTimeOffset mTime))
{
_mTime = mTime;
}
}
if (ea.TryGetValue(PaxEaMode, out string?paxEaMode))
{
_mode = Convert.ToInt32(paxEaMode);
}
if (ea.TryGetValue(PaxEaSize, out string?paxEaSize))
{
_size = Convert.ToInt32(paxEaSize);
}
if (ea.TryGetValue(PaxEaUid, out string?paxEaUid))
{
_uid = Convert.ToInt32(paxEaUid);
}
if (ea.TryGetValue(PaxEaGid, out string?paxEaGid))
{
_gid = Convert.ToInt32(paxEaGid);
}
if (ea.TryGetValue(PaxEaUName, out string?paxEaUName))
{
_uName = paxEaUName;
}
if (ea.TryGetValue(PaxEaGName, out string?paxEaGName))
{
_gName = paxEaGName;
}
if (ea.TryGetValue(PaxEaDevMajor, out string?paxEaDevMajor))
{
_devMajor = int.Parse(paxEaDevMajor);
}
if (ea.TryGetValue(PaxEaDevMinor, out string?paxEaDevMinor))
{
_devMinor = int.Parse(paxEaDevMinor);
}
}