internal long GetId(string name, byte[] guid)
{
if (name != null && guid != null)
{
foreach (uint key in map.Keys)
{
NamedProperty namedProperty = map[key];
if (namedProperty.Name == name && namedProperty.Guid.Length == guid.Length)
{
for (int i = 0; i < guid.Length; i++)
{
if (namedProperty.Guid[i] != guid[i])
{
return(-1);
}
}
return(key);
}
}
}
return(-1);
}
internal long GetId(uint namedPropertyId)
{
foreach (uint key in map.Keys)
{
NamedProperty namedProperty = map[key];
if (namedProperty.Id == namedPropertyId)
{
return(key);
}
}
return(-1);
}
internal void Parse(Table table)
{
TableEntry guidsTableEntry = table.GetEntry(0x0002, PropertyType.Binary);
TableEntry entriesTableEntry = table.GetEntry(0x0003, PropertyType.Binary);
TableEntry stringsTableEntry = table.GetEntry(0x0004, PropertyType.Binary);
byte[] guids = null;
byte[] entries = null;
byte[] strings = null;
if (guidsTableEntry != null)
{
guids = guidsTableEntry.ValueBuffer;
}
if (entriesTableEntry != null)
{
entries = entriesTableEntry.ValueBuffer;
}
if (stringsTableEntry != null)
{
strings = stringsTableEntry.ValueBuffer;
}
if (entries != null)
{
for (int i = 0; i < entries.Length; i += 8)
{
uint entryValueOfReference = BitConverter.ToUInt32(entries, i);
ushort entryId = BitConverter.ToUInt16(entries, i + 4);
ushort entryNumber = BitConverter.ToUInt16(entries, i + 6);
ushort propertyIndex = (ushort)(entryId >> 1);
ushort hasStringValue = (ushort)(entryId << 15);
NamedProperty namedProperty = new NamedProperty();
if (entryId == 5) //PS_PUBLIC_STRINGS
{
namedProperty.Guid = new byte[16] {
41, 3, 2, 0, 0, 0, 0, 0, 192, 0, 0, 0, 0, 0, 0, 70
};
}
else if (entryId > 5)
{
try
{
ushort guidIndex = (ushort)((entryId >> 1) - 3);
byte[] guid = new byte[16];
System.Array.Copy(guids, guidIndex * 16, guid, 0, 16);
namedProperty.Guid = guid;
}
catch
{
}
}
if (hasStringValue == 0) //numerical named property
{
namedProperty.Id = entryValueOfReference;
namedProperty.Type = NamedPropertyType.Numerical;
}
else //string named property
{
namedProperty.Id = entryValueOfReference;
namedProperty.Type = NamedPropertyType.String;
try
{
int stringOffset = (int)entryValueOfReference;
uint nameLength = BitConverter.ToUInt32(strings, stringOffset);
namedProperty.Name = System.Text.Encoding.Unicode.GetString(strings, stringOffset + 4, (int)nameLength);
}
catch
{
}
}
uint id = (uint)(entryNumber + 0x8000);
if (id <= 0xFFFE)
{
map.Add(id, namedProperty);
}
}
}
}
