private bool HasPadding()
{
VTPropertyType vt = (VTPropertyType)((ushort)this.VTType & 0x00FF);
switch (vt)
{
case VTPropertyType.VT_LPSTR:
if (this.IsVariant)
{
return(false);
}
if (dim == PropertyDimensions.IsVector)
{
return(false);
}
break;
case VTPropertyType.VT_VARIANT_VECTOR:
if (dim == PropertyDimensions.IsVector)
{
return(false);
}
break;
default:
return(true);
}
return(true);
}
public override object ReadScalarValue(System.IO.BinaryReader br)
{
VTPropertyType vType = (VTPropertyType)br.ReadUInt16();
br.ReadUInt16(); // Ushort Padding
ITypedPropertyValue p = PropertyFactory.Instance.NewProperty(vType, codePage, true);
p.Read(br);
return(p);
}
public OLEProperty NewProperty(VTPropertyType vtPropertyType, uint propertyIdentifier, string propertyName = null)
{
//throw new NotImplementedException("API Unstable - Work in progress - Milestone 2.3.0.0");
var op = new OLEProperty(this)
{
VTType = vtPropertyType,
PropertyIdentifier = propertyIdentifier
};
return(op);
}
private PropertyDimensions CheckPropertyDimensions(VTPropertyType vtType)
{
if ((((ushort)vtType) & 0x1000) != 0)
{
return(PropertyDimensions.IsVector);
}
else if ((((ushort)vtType) & 0x2000) != 0)
{
return(PropertyDimensions.IsArray);
}
else
{
return(PropertyDimensions.IsScalar);
}
}
public ITypedPropertyValue NewProperty(VTPropertyType vType, PropertyContext ctx)
{
ITypedPropertyValue pr = null;
switch (vType)
{
case VTPropertyType.VT_I2:
pr = new VT_I2_Property(vType);
break;
case VTPropertyType.VT_I4:
pr = new VT_I4_Property(vType);
break;
case VTPropertyType.VT_R4:
pr = new VT_R4_Property(vType);
break;
case VTPropertyType.VT_LPSTR:
pr = new VT_LPSTR_Property(vType, ctx.CodePage);
break;
case VTPropertyType.VT_FILETIME:
pr = new VT_FILETIME_Property(vType);
break;
case VTPropertyType.VT_DECIMAL:
pr = new VT_DECIMAL_Property(vType);
break;
case VTPropertyType.VT_BOOL:
pr = new VT_BOOL_Property(vType);
break;
case VTPropertyType.VT_VECTOR_HEADER:
pr = new VT_VectorHeader(vType);
break;
case VTPropertyType.VT_EMPTY:
pr = new VT_EMPTY_Property(vType);
break;
default:
throw new Exception("Unrecognized property type");
}
return(pr);
}
public void LoadContext(int propertySetOffset, BinaryReader br)
{
var currPos = br.BaseStream.Position;
PropertyContext = new PropertyContext();
var codePageOffset = (int)(propertySetOffset + PropertyIdentifierAndOffsets.Where(pio => pio.PropertyIdentifier == 1).First().Offset);
br.BaseStream.Seek(codePageOffset, SeekOrigin.Begin);
VTPropertyType vType = (VTPropertyType)br.ReadUInt16();
br.ReadUInt16(); // Ushort Padding
PropertyContext.CodePage = (int)(ushort)br.ReadInt16();
br.BaseStream.Position = currPos;
}
private IProperty ReadProperty(uint propertyIdentifier, int codePage, BinaryReader br)
{
if (propertyIdentifier != 0)
{
VTPropertyType vType = (VTPropertyType)br.ReadUInt16();
br.ReadUInt16(); // Ushort Padding
ITypedPropertyValue pr = PropertyFactory.Instance.NewProperty(vType, codePage);
pr.Read(br);
return(pr);
}
else
{
IDictionaryProperty dictionaryProperty = new DictionaryProperty(codePage);
dictionaryProperty.Read(br);
return(dictionaryProperty);
}
}
public VT_VariantVector(VTPropertyType vType, int codePage, bool isVariant) : base(vType, isVariant)
{
this.codePage = codePage;
}
public VT_BLOB_Property(VTPropertyType vType, bool isVariant) : base(vType, isVariant)
{
}
public VT_DECIMAL_Property(VTPropertyType vType, bool isVariant) : base(vType, isVariant)
{
}
public VT_FILETIME_Property(VTPropertyType vType, bool isVariant) : base(vType, isVariant)
{
}
public VT_BOOL_Property(VTPropertyType vType) : base(vType)
{
}
public List <ITypedPropertyValue> ReadProperty(PropertyIdentifiersSummaryInfo propertyIdentifier, BinaryReader br)
{
List <ITypedPropertyValue> res = new List <ITypedPropertyValue>();
bool isVariant = false;
PropertyDimensions dim = PropertyDimensions.IsScalar;
UInt16 pVal = br.ReadUInt16();
VTPropertyType vType = (VTPropertyType)(pVal & 0x00FF);
if ((pVal & 0x1000) != 0)
{
dim = PropertyDimensions.IsVector;
}
else if ((pVal & 0x2000) != 0)
{
dim = PropertyDimensions.IsArray;
}
isVariant = ((pVal & 0x00FF) == 0x000C);
br.ReadUInt16(); // Ushort Padding
switch (dim)
{
case PropertyDimensions.IsVector:
ITypedPropertyValue vectorHeader = factory.NewProperty(VTPropertyType.VT_VECTOR_HEADER, ctx);
vectorHeader.Read(br);
uint nItems = (uint)vectorHeader.PropertyValue;
for (int i = 0; i < nItems; i++)
{
VTPropertyType vTypeItem = VTPropertyType.VT_EMPTY;
if (isVariant)
{
UInt16 pValItem = br.ReadUInt16();
vTypeItem = (VTPropertyType)(pValItem & 0x00FF);
br.ReadUInt16(); // Ushort Padding
}
else
{
vTypeItem = vType;
}
var p = factory.NewProperty(vTypeItem, ctx);
p.Read(br);
res.Add(p);
}
break;
default:
//Scalar property
ITypedPropertyValue pr = factory.NewProperty(vType, ctx);
pr.Read(br);
if (propertyIdentifier == PropertyIdentifiersSummaryInfo.CodePageString)
{
this.ctx.CodePage = (short)pr.PropertyValue;
}
res.Add(pr);
break;
}
return(res);
}
public TypedPropertyValue(VTPropertyType vtType)
{
this._VTType = vtType;
}
public TypedPropertyValue(VTPropertyType vtType, bool isVariant = false)
{
this._VTType = vtType;
dim = CheckPropertyDimensions(vtType);
this.isVariant = isVariant;
}
public VT_FILETIME_Property(VTPropertyType vType) : base(vType)
{
}
public VT_I2_Property(VTPropertyType vType) : base(vType)
{
}
public VT_EMPTY_Property(VTPropertyType vType) : base(vType)
{
}
public VT_VectorHeader(VTPropertyType vType) : base(vType)
{
}
public TypedPropertyValue(VTPropertyType vtType, bool isVariant = false)
{
VTType = vtType;
PropertyDimensions = CheckPropertyDimensions(vtType);
IsVariant = isVariant;
}
public VT_LPSTR_Property(VTPropertyType vType, int codePage) : base(vType)
{
this.codePage = codePage;
}
public VT_LPWSTR_Property(VTPropertyType vType, int codePage, bool isVariant) : base(vType, isVariant)
{
this.codePage = codePage;
}
public VT_DECIMAL_Property(VTPropertyType vType) : base(vType)
{
}
public ITypedPropertyValue NewProperty(VTPropertyType vType, int codePage, bool isVariant = false)
{
ITypedPropertyValue pr = null;
switch ((VTPropertyType)((ushort)vType & 0x00FF))
{
case VTPropertyType.VT_I1:
pr = new VT_I1_Property(vType, isVariant);
break;
case VTPropertyType.VT_I2:
pr = new VT_I2_Property(vType, isVariant);
break;
case VTPropertyType.VT_I4:
pr = new VT_I4_Property(vType, isVariant);
break;
case VTPropertyType.VT_R4:
pr = new VT_R4_Property(vType, isVariant);
break;
case VTPropertyType.VT_R8:
pr = new VT_R8_Property(vType, isVariant);
break;
case VTPropertyType.VT_CY:
pr = new VT_CY_Property(vType, isVariant);
break;
case VTPropertyType.VT_DATE:
pr = new VT_DATE_Property(vType, isVariant);
break;
case VTPropertyType.VT_INT:
pr = new VT_INT_Property(vType, isVariant);
break;
case VTPropertyType.VT_UINT:
pr = new VT_UINT_Property(vType, isVariant);
break;
case VTPropertyType.VT_UI1:
pr = new VT_UI1_Property(vType, isVariant);
break;
case VTPropertyType.VT_UI2:
pr = new VT_UI2_Property(vType, isVariant);
break;
case VTPropertyType.VT_UI4:
pr = new VT_UI4_Property(vType, isVariant);
break;
case VTPropertyType.VT_UI8:
pr = new VT_UI8_Property(vType, isVariant);
break;
case VTPropertyType.VT_BSTR:
case VTPropertyType.VT_LPSTR:
pr = new VT_LPSTR_Property(vType, codePage, isVariant);
break;
case VTPropertyType.VT_LPWSTR:
pr = new VT_LPWSTR_Property(vType, codePage, isVariant);
break;
case VTPropertyType.VT_FILETIME:
pr = new VT_FILETIME_Property(vType, isVariant);
break;
case VTPropertyType.VT_DECIMAL:
pr = new VT_DECIMAL_Property(vType, isVariant);
break;
case VTPropertyType.VT_BOOL:
pr = new VT_BOOL_Property(vType, isVariant);
break;
case VTPropertyType.VT_EMPTY:
pr = new VT_EMPTY_Property(vType, isVariant);
break;
case VTPropertyType.VT_VARIANT_VECTOR:
pr = new VT_VariantVector(vType, codePage, isVariant);
break;
case VTPropertyType.VT_CF:
pr = new VT_CF_Property(vType, isVariant);
break;
case VTPropertyType.VT_BLOB_OBJECT:
case VTPropertyType.VT_BLOB:
pr = new VT_BLOB_Property(vType, isVariant);
break;
default:
throw new Exception("Unrecognized property type");
}
return(pr);
}
public VT_DATE_Property(VTPropertyType vType) : base(vType)
{
}
