protected override void Load(SwfStream stream, ushort length)
{
List<ActionVar> values = new List<ActionVar>();
long end = length + stream.TagPosition;
while (stream.TagPosition < end)
{
ActionVar value;
switch (stream.ReadByte())
{
case 0: value = stream.ReadString(); break;
case 1: value = stream.ReadSingle(); break;
case 2: value = new ActionVar((string)null); break;
case 3: value = new ActionVar(); break;
case 4: value = stream.ReadByte(); break;
case 5: value = stream.ReadByte() != 0; break;
case 6: value = stream.ReadDouble(); break;
case 7: value = stream.ReadUInt(); break;
case 8: value = new ActionVar.IndexActionVar(stream.ReadByte()); break;
case 9: value = new ActionVar.IndexActionVar(stream.ReadUShort()); break;
default:
throw new SwfCorruptedException("Invalid push action value type!");
}
values.Add(value);
}
Values = values.ToArray();
}
protected override void Load(SwfStream stream, ushort length)
{
byte flags = stream.ReadByte();
ushort trySize = stream.ReadUShort();
ushort catchSize = stream.ReadUShort();
ushort finallySize = stream.ReadUShort();
if ((flags & 0x04) != 0)
{
CatchRegister = stream.ReadByte();
CatchVariable = null;
}
else
{
CatchRegister = null;
CatchVariable = stream.ReadString();
}
Try = ActionRecord.ReadActions(stream, trySize);
if (catchSize > 0 && (flags & 0x01) != 0)
Catch = ActionRecord.ReadActions(stream, trySize);
if (finallySize > 0 && (flags & 0x02) != 0)
Finally = ActionRecord.ReadActions(stream, finallySize);
}
protected override void Load(SwfStream stream, ushort length)
{
var array = new string[stream.ReadUShort()];
for (int i = 0; i < array.Length; i++)
array[i] = stream.ReadString();
Pool = new ConstantPool(array);
}
public FlashDocument(string name, SwfStream stream, ISystemServices services)
: base(stream.ProcessFile(), 0, stream.FrameCount, services)
{
Name = name;
Version = stream.Version;
Width = stream.Rectangle.Width;
Height = stream.Rectangle.Height;
FrameDelay = 1000.0 / (double)stream.FrameRate;
}
protected override void Load(SwfStream stream, ushort length)
{
Name = stream.ReadString();
Params = new string[stream.ReadUShort()];
for (int i = 0; i < Params.Length; i++)
Params[i] = stream.ReadString();
Actions = ActionRecord.ReadActions(stream, stream.ReadUShort());
}
protected override void Load(SwfStream stream, ushort length)
{
Name = stream.ReadString();
Params = new ActionFunc.RegisterParam[stream.ReadUShort()];
NumRegisters = stream.ReadByte();
Flags = (FuncFlags)stream.ReadUShort();
for (int i = 0; i < Params.Length; i++)
Params[i] = new ActionFunc.RegisterParam(stream);
Actions = ActionRecord.ReadActions(stream, stream.ReadUShort());
}
public static ISwfTag LoadTag(SwfStream stream, ushort id, uint length, byte version, ref string name)
{
if (sDictionary == null)
Initialize();
KeyValuePair<string, Type> info;
if (!sDictionary.TryGetValue(id, out info))
return null;
name = info.Key;
var tag = (ISwfTag)Activator.CreateInstance(info.Value);
tag.Load(stream, length, version);
return tag;
}
public static ActionRecord Read(SwfStream stream)
{
byte code = stream.ReadByte();
if (code == 0)
return new ActionRecord { Action = ActionCode.End };
if (!Enum.IsDefined(typeof(ActionCode), code))
throw new SwfCorruptedException("Unknown action code has been found!");
if (code < 0x80)
return new ActionRecord { Action = (ActionCode)code };
ActionRecord r = null;
switch ((ActionCode)code)
{
// SWF 3
case ActionCode.GoToFrame: r = new FrameAction(); break;
case ActionCode.GetURL: r = new GetURLAction(); break;
case ActionCode.WaitForFrame: r = new WaitForFrameAction(); break;
case ActionCode.SetTarget: r = new SetTargetAction(); break;
case ActionCode.GoToLabel: r = new GoToLabelAction(); break;
// SWF 4
case ActionCode.Push: r = new PushAction(); break;
case ActionCode.If:
case ActionCode.Jump: r = new BranchAction(); break;
case ActionCode.Call: r = new ActionRecord(); break;
case ActionCode.GetURL2: r = new GetURL2Action(); break;
case ActionCode.GoToFrame2: r = new GoToFrame2Action(); break;
case ActionCode.WaitForFrame2: r = new WaitForFrame2Action(); break;
// SWF 5
case ActionCode.ConstantPool: r = new ConstantPoolAction(); break;
case ActionCode.DefineFunction: r = new DefineFunctionAction(); break;
case ActionCode.With: r = new WithAction(); break;
case ActionCode.StoreRegister: r = new StoreRegisterAction(); break;
// SWF 6
case ActionCode.DefineFunction2: r = new DefineFunction2Action(); break;
// SWF 7
case ActionCode.Try: r = new TryAction(); break;
}
ushort len = stream.ReadUShort();
r.Load(stream, len);
r.Action = (ActionCode)code;
return r;
}
internal static ActionBlock ReadActions(SwfStream stream, uint? length)
{
int start = stream.TagPosition;
long end = start + length ?? 0;
int position = start;
ActionRecord rec;
List<ActionRecord> actions = new List<ActionRecord>(256);
while(!length.HasValue || position < end)
{
rec = Read(stream);
rec.Address = position - start;
actions.Add(rec);
position = stream.TagPosition;
if (rec.Action == ActionCode.End)
break;
}
return new ActionBlock(actions.ToArray());
}
protected override void Load(SwfStream stream, ushort length)
{
Flags = (GetURLFlags)stream.ReadByte();
}
protected override void Load(SwfStream stream, ushort length)
{
BranchOffset = stream.ReadShort();
}
internal RegisterParam(SwfStream stream)
{
Register = stream.ReadByte();
Name = stream.ReadString();
}
protected override void Load(SwfStream stream, ushort length)
{
Frame = stream.ReadUShort();
SkipCount = stream.ReadByte();
}
protected override void Load(SwfStream stream, ushort length)
{
Register = stream.ReadByte();
}
protected override void Load(SwfStream stream, ushort length)
{
Label = stream.ReadString();
}
protected virtual void Load(SwfStream stream, ushort length)
{
}
protected override void Load(SwfStream stream, ushort length)
{
Url = stream.ReadString();
Target = stream.ReadString();
}
protected override void Load(SwfStream stream, ushort length)
{
byte flags = stream.ReadByte();
SceneBias = ((flags & 0x02) != 0) ? stream.ReadUShort() : (ushort)0;
Play = (flags & 0x01) != 0;
}
protected override void Load(SwfStream stream, ushort length)
{
Actions = ActionRecord.ReadActions(stream, stream.ReadUShort());
}
