/// <summary>
/// A peculiar type of ascii string frequently used throughout the Descriptor data structure.
/// First 4 bytes are length (in bytes), followed by string. If length is 0, length is assumed to be 4. No idea why they did this... RLE compression?
/// </summary>
/// <param name="r"></param>
/// <returns></returns>
public static string ReadSpecialString(BinaryReverseReader r)
{
uint length = r.ReadUInt32();
if (length == 0)
{
length = 4;
}
return(new string(r.ReadPSDChars((int)length)));
}
public static DynVal ReadValue(BinaryReverseReader r, bool skipKey)
{
DynVal vt = new DynVal();
if (!skipKey)
{
vt.Name = GetMeaningOfFourCC(ReadSpecialString(r));
}
//TODO: should be assigned a sequential number?
vt.Type = parseTypeString(new string(r.ReadPSDChars(4)));
switch (vt.Type)
{
case OSType.tdta:
uint unknown = r.ReadUInt32();
TdTaParser p = new TdTaParser(r);
object o = p.ParseOneTree();
vt.Value = o;
break;
case OSType.Descriptor:
vt = DynVal.ReadDescriptor(r);
break;
case OSType.List:
vt.Children = ReadValues(r, true);
break;
case OSType.Double:
vt.Value = r.ReadDouble();
break;
case OSType.UnitFloat: //Unif float
//TODO: need a specific type for this, with a double and a type (percent/pixel)?
string tst = GetMeaningOfFourCC(new string(r.ReadPSDChars(4))); //#Prc #Pxl #Ang = percent / pixels / angle?
double d = r.ReadDouble();
tst += ": " + d;
vt.Value = tst;
break;
case OSType.Enumerated:
string namesp = ReadSpecialString(r);
string item = ReadSpecialString(r);
//vt.Value = namesp + "." + item; //TODO: cast to real enum
vt.Value = GetMeaningOfFourCC(namesp) + "." + GetMeaningOfFourCC(item);
break;
case OSType.Integer:
vt.Value = r.ReadInt32(); //4 byte integer
break;
case OSType.Boolean:
vt.Value = r.ReadBoolean();
break;
case OSType.String:
vt.Value = r.ReadPSDUnicodeString();
break;
default:
throw new Exception("Unhandled type: " + vt.Type);
}
return(vt);
}
public static DynVal ReadValue(BinaryReverseReader r, bool skipKey)
{
DynVal vt = new DynVal();
if (!skipKey)
vt.Name = GetMeaningOfFourCC(ReadSpecialString(r));
//TODO: should be assigned a sequential number?
vt.Type = parseTypeString(new string(r.ReadPSDChars(4)));
switch (vt.Type)
{
case OSType.tdta:
uint unknown = r.ReadUInt32();
TdTaParser p = new TdTaParser(r);
object o = p.ParseOneTree();
vt.Value = o;
break;
case OSType.Descriptor:
vt = DynVal.ReadDescriptor(r);
break;
case OSType.List:
vt.Children = ReadValues(r,true);
break;
case OSType.Double:
vt.Value = r.ReadDouble();
break;
case OSType.UnitFloat: //Unif float
//TODO: need a specific type for this, with a double and a type (percent/pixel)?
string tst = GetMeaningOfFourCC(new string(r.ReadPSDChars(4))); //#Prc #Pxl #Ang = percent / pixels / angle?
double d = r.ReadDouble();
tst += ": " + d;
vt.Value = tst;
break;
case OSType.Enumerated:
string namesp = ReadSpecialString(r);
string item = ReadSpecialString(r);
//vt.Value = namesp + "." + item; //TODO: cast to real enum
vt.Value = GetMeaningOfFourCC(namesp) + "." + GetMeaningOfFourCC(item);
break;
case OSType.Integer:
vt.Value = r.ReadInt32(); //4 byte integer
break;
case OSType.Boolean:
vt.Value = r.ReadBoolean();
break;
case OSType.String:
vt.Value = r.ReadPSDUnicodeString();
break;
default:
throw new Exception("Unhandled type: " + vt.Type);
}
return vt;
}
/// <summary>
/// A peculiar type of ascii string frequently used throughout the Descriptor data structure.
/// First 4 bytes are length (in bytes), followed by string. If length is 0, length is assumed to be 4. No idea why they did this... RLE compression?
/// </summary>
/// <param name="r"></param>
/// <returns></returns>
public static string ReadSpecialString(BinaryReverseReader r)
{
uint length = r.ReadUInt32();
if (length == 0)
length = 4;
return new string(r.ReadPSDChars((int)length));
}
