internal TnefPropertyReader(TnefReader tnef)
{
propertyTag = TnefPropertyTag.Null;
propertyName = new TnefNameId ();
rawValueOffset = 0;
rawValueLength = 0;
propertyIndex = 0;
propertyCount = 0;
valueIndex = 0;
valueCount = 0;
rowIndex = 0;
rowCount = 0;
reader = tnef;
}
/// <summary>
/// Advances to the next MAPI property.
/// </summary>
/// <remarks>
/// Advances to the next MAPI property.
/// </remarks>
/// <returns><c>true</c> if there is another property available to be read; otherwise <c>false</c>.</returns>
/// <exception cref="TnefException">
/// The TNEF data is corrupt or invalid.
/// </exception>
public bool ReadNextProperty ()
{
if (propertyIndex >= propertyCount)
return false;
while (ReadNextValue ()) {
// skip over the value...
}
try {
var type = (TnefPropertyType) ReadInt16 ();
var id = (TnefPropertyId) ReadInt16 ();
propertyTag = new TnefPropertyTag (id, type);
if (propertyTag.IsNamed)
LoadPropertyName ();
LoadValueCount ();
propertyIndex++;
if (!TryGetPropertyValueLength (out rawValueLength))
return false;
rawValueOffset = reader.StreamOffset;
} catch (EndOfStreamException) {
return false;
}
return CheckRawValueLength ();
}
internal void Load ()
{
propertyTag = TnefPropertyTag.Null;
rawValueOffset = 0;
rawValueLength = 0;
propertyCount = 0;
propertyIndex = 0;
valueCount = 0;
valueIndex = 0;
decoder = null;
rowCount = 0;
rowIndex = 0;
switch (reader.AttributeTag) {
case TnefAttributeTag.MapiProperties:
case TnefAttributeTag.Attachment:
LoadPropertyCount ();
break;
case TnefAttributeTag.RecipientTable:
LoadRowCount ();
break;
default:
rawValueLength = reader.AttributeRawValueLength;
rawValueOffset = reader.StreamOffset;
valueCount = 1;
break;
}
}
