/// <summary>
/// Create new properties from a byte array.
/// </summary>
/// <param name="data">The byte array containing the property</param>
/// <param name="offset">The starting offset into the byte array</param>
/// <param name="numProperties">The new properties</param>
/// <returns></returns>
public IList CreateProperties(byte[] data, int offset, short numProperties)
{
IList results = new ArrayList();
int pos = offset;
// while ( bytesRemaining >= 6 )
for (int i = 0; i < numProperties; i++)
{
short propId;
int propData;
propId = LittleEndian.GetShort(data, pos);
propData = LittleEndian.GetInt(data, pos + 2);
short propNumber = (short)(propId & (short)0x3FFF);
bool isComplex = (propId & unchecked ((short)0x8000)) != 0;
bool isBlipId = (propId & (short)0x4000) != 0;
byte propertyType = EscherProperties.GetPropertyType((short)propNumber);
if (propertyType == EscherPropertyMetaData.TYPE_bool)
{
results.Add(new EscherBoolProperty(propId, propData));
}
else if (propertyType == EscherPropertyMetaData.TYPE_RGB)
{
results.Add(new EscherRGBProperty(propId, propData));
}
else if (propertyType == EscherPropertyMetaData.TYPE_SHAPEPATH)
{
results.Add(new EscherShapePathProperty(propId, propData));
}
else
{
if (!isComplex)
{
results.Add(new EscherSimpleProperty(propId, propData));
}
else
{
if (propertyType == EscherPropertyMetaData.TYPE_ARRAY)
{
results.Add(new EscherArrayProperty(propId, new byte[propData]));
}
else
{
results.Add(new EscherComplexProperty(propId, new byte[propData]));
}
}
}
pos += 6;
// bytesRemaining -= 6 + complexBytes;
}
// Get complex data
for (IEnumerator iterator = results.GetEnumerator(); iterator.MoveNext();)
{
EscherProperty p = (EscherProperty)iterator.Current;
if (p is EscherComplexProperty)
{
if (p is EscherArrayProperty)
{
pos += ((EscherArrayProperty)p).SetArrayData(data, pos);
}
else
{
byte[] complexData = ((EscherComplexProperty)p).ComplexData;
Array.Copy(data, pos, complexData, 0, complexData.Length);
pos += complexData.Length;
}
}
}
return(results);
}
/// <summary>
/// Create new properties from a byte array.
/// </summary>
/// <param name="data">The byte array containing the property</param>
/// <param name="offset">The starting offset into the byte array</param>
/// <param name="numProperties">The new properties</param>
/// <returns></returns>
public List <EscherProperty> CreateProperties(byte[] data, int offset, short numProperties)
{
List <EscherProperty> results = new List <EscherProperty>();
int pos = offset;
for (int i = 0; i < numProperties; i++)
{
short propId;
int propData;
propId = LittleEndian.GetShort(data, pos);
propData = LittleEndian.GetInt(data, pos + 2);
short propNumber = (short)(propId & (short)0x3FFF);
bool isComplex = (propId & unchecked ((short)0x8000)) != 0;
byte propertyType = EscherProperties.GetPropertyType((short)propNumber);
if (propertyType == EscherPropertyMetaData.TYPE_BOOL)
{
results.Add(new EscherBoolProperty(propId, propData));
}
else if (propertyType == EscherPropertyMetaData.TYPE_RGB)
{
results.Add(new EscherRGBProperty(propId, propData));
}
else if (propertyType == EscherPropertyMetaData.TYPE_SHAPEPATH)
{
results.Add(new EscherShapePathProperty(propId, propData));
}
else
{
if (!isComplex)
{
results.Add(new EscherSimpleProperty(propId, propData));
}
else
{
if (propertyType == EscherPropertyMetaData.TYPE_ARRAY)
{
results.Add(new EscherArrayProperty(propId, new byte[propData]));
}
else
{
results.Add(new EscherComplexProperty(propId, new byte[propData]));
}
}
}
pos += 6;
}
// Get complex data
for (IEnumerator iterator = results.GetEnumerator(); iterator.MoveNext();)
{
EscherProperty p = (EscherProperty)iterator.Current;
if (p is EscherComplexProperty)
{
if (p is EscherArrayProperty)
{
pos += ((EscherArrayProperty)p).SetArrayData(data, pos);
}
else
{
byte[] complexData = ((EscherComplexProperty)p).ComplexData;
int leftover = data.Length - pos;
if (leftover < complexData.Length)
{
throw new InvalidOperationException("Could not read complex escher property, lenght was " + complexData.Length + ", but had only " +
leftover + " bytes left");
}
Array.Copy(data, pos, complexData, 0, complexData.Length);
pos += complexData.Length;
}
}
}
return(results);
}
