/// <summary>
/// Return the current <see cref="T:OpenMcdf.CFStream">CFStream</see> object
/// as a OLE properties Stream.
/// </summary>
/// <param name="cfStream"></param>
/// <returns>A <see cref="T:OpenMcdf.OLEProperties.PropertySetStream">OLE Propertie stream</see></returns>
public static OLEProperties.PropertySetStream AsOLEProperties(this CFStream cfStream)
{
var result = new OLEProperties.PropertySetStream();
result.Read(new BinaryReader(new StreamDecorator(cfStream)));
return(result);
}
internal OLEPropertiesContainer(CFStream cfStream)
{
var pStream = new PropertySetStream();
this.cfStream = cfStream;
pStream = new PropertySetStream();
pStream.Read(new BinaryReader(new StreamDecorator(cfStream)));
switch (pStream.FMTID0.ToString("B").ToUpperInvariant())
{
case "{F29F85E0-4FF9-1068-AB91-08002B27B3D9}":
ContainerType = ContainerType.SummaryInfo;
break;
case "{D5CDD502-2E9C-101B-9397-08002B2CF9AE}":
ContainerType = ContainerType.DocumentSummaryInfo;
break;
default:
ContainerType = ContainerType.AppSpecific;
break;
}
PropertyNames = (Dictionary <uint, string>)pStream.PropertySet0.Properties
.FirstOrDefault(p => p.PropertyType == PropertyType.DictionaryProperty);
Context = new PropertyContext
{
CodePage = pStream.PropertySet0.PropertyContext.CodePage
};
for (var i = 0; i < pStream.PropertySet0.Properties.Count; i++)
{
if (pStream.PropertySet0.PropertyIdentifierAndOffsets[i].PropertyIdentifier == 0)
{
continue;
}
//if (pStream.PropertySet0.PropertyIdentifierAndOffsets[i].PropertyIdentifier == 1) continue;
//if (pStream.PropertySet0.PropertyIdentifierAndOffsets[i].PropertyIdentifier == 0x80000000) continue;
var p = (ITypedPropertyValue)pStream.PropertySet0.Properties[i];
var poi = pStream.PropertySet0.PropertyIdentifierAndOffsets[i];
var op = new OLEProperty(this);
op.VTType = p.VTType;
op.PropertyIdentifier = pStream.PropertySet0.PropertyIdentifierAndOffsets[i].PropertyIdentifier;
op.Value = p.Value;
properties.Add(op);
}
if (pStream.NumPropertySets == 2)
{
UserDefinedProperties =
new OLEPropertiesContainer(Context.CodePage, ContainerType.UserDefinedProperties);
HasUserDefinedProperties = true;
UserDefinedProperties.ContainerType = ContainerType.UserDefinedProperties;
for (var i = 0; i < pStream.PropertySet1.Properties.Count; i++)
{
if (pStream.PropertySet1.PropertyIdentifierAndOffsets[i].PropertyIdentifier == 0)
{
continue;
}
//if (pStream.PropertySet1.PropertyIdentifierAndOffsets[i].PropertyIdentifier == 1) continue;
if (pStream.PropertySet1.PropertyIdentifierAndOffsets[i].PropertyIdentifier == 0x80000000)
{
continue;
}
var p = (ITypedPropertyValue)pStream.PropertySet1.Properties[i];
var poi = pStream.PropertySet1.PropertyIdentifierAndOffsets[i];
var op = new OLEProperty(UserDefinedProperties);
op.VTType = p.VTType;
op.PropertyIdentifier = pStream.PropertySet1.PropertyIdentifierAndOffsets[i].PropertyIdentifier;
op.Value = p.Value;
UserDefinedProperties.properties.Add(op);
}
UserDefinedProperties.PropertyNames = (Dictionary <uint, string>)pStream.PropertySet1.Properties
.Where(p => p.PropertyType == PropertyType.DictionaryProperty).FirstOrDefault()?.Value;
}
}
//public void AddProperty(OLEProperty property)
//{
// throw new NotImplementedException("API Unstable - Work in progress - Milestone 2.3.0.0");
// properties.Add(property);
//}
//public void RemoveProperty(uint propertyIdentifier)
//{
// throw new NotImplementedException("API Unstable - Work in progress - Milestone 2.3.0.0");
// var toRemove = properties.Where(o => o.PropertyIdentifier == propertyIdentifier).FirstOrDefault();
// if (toRemove != null)
// properties.Remove(toRemove);
//}
public void Save(CFStream cfStream)
{
//throw new NotImplementedException("API Unstable - Work in progress - Milestone 2.3.0.0");
//properties.Sort((a, b) => a.PropertyIdentifier.CompareTo(b.PropertyIdentifier));
Stream s = new StreamDecorator(cfStream);
var bw = new BinaryWriter(s);
var ps = new PropertySetStream
{
ByteOrder = 0xFFFE,
Version = 0,
SystemIdentifier = 0x00020006,
CLSID = Guid.Empty,
NumPropertySets = 1,
FMTID0 = ContainerType == ContainerType.SummaryInfo
? new Guid("{F29F85E0-4FF9-1068-AB91-08002B27B3D9}")
: new Guid("{D5CDD502-2E9C-101B-9397-08002B2CF9AE}"),
Offset0 = 0,
FMTID1 = Guid.Empty,
Offset1 = 0,
PropertySet0 = new PropertySet
{
NumProperties = (uint)Properties.Count(),
PropertyIdentifierAndOffsets = new List <PropertyIdentifierAndOffset>(),
Properties = new List <IProperty>(),
PropertyContext = Context
}
};
foreach (var op in Properties)
{
var p = PropertyFactory.Instance.NewProperty(op.VTType, Context.CodePage);
p.Value = op.Value;
ps.PropertySet0.Properties.Add(p);
ps.PropertySet0.PropertyIdentifierAndOffsets.Add(new PropertyIdentifierAndOffset
{
PropertyIdentifier = op.PropertyIdentifier, Offset = 0
});
}
ps.PropertySet0.NumProperties = (uint)Properties.Count();
if (HasUserDefinedProperties)
{
ps.NumPropertySets = 2;
ps.PropertySet1 = new PropertySet
{
NumProperties = (uint)UserDefinedProperties.Properties.Count(),
PropertyIdentifierAndOffsets = new List <PropertyIdentifierAndOffset>(),
Properties = new List <IProperty>(),
PropertyContext = UserDefinedProperties.Context
};
ps.FMTID1 = new Guid("{D5CDD502-2E9C-101B-9397-08002B2CF9AE}");
ps.Offset1 = 0;
foreach (var op in Properties)
{
var p = PropertyFactory.Instance.NewProperty(op.VTType, ps.PropertySet1.PropertyContext.CodePage);
p.Value = op.Value;
ps.PropertySet1.Properties.Add(p);
ps.PropertySet1.PropertyIdentifierAndOffsets.Add(new PropertyIdentifierAndOffset
{
PropertyIdentifier = op.PropertyIdentifier, Offset = 0
});
}
}
ps.Write(bw);
}
