SwfTagData ISwfTagVisitor <ISwfStreamWriter, SwfTagData> .Visit(ExportAssetsTag tag, ISwfStreamWriter writer)
{
writer.WriteUInt16((ushort)tag.Symbols.Count);
foreach (var symbolref in tag.Symbols)
{
writer.WriteUInt16(symbolref.SymbolID);
writer.WriteString(symbolref.SymbolName);
}
return(null);
}
SwfTagBase ISwfTagVisitor <ISwfStreamReader, SwfTagBase> .Visit(ExportAssetsTag tag, ISwfStreamReader reader)
{
var count = reader.ReadUInt16();
for (var i = 0; i < count; i++)
{
var symbolRef = reader.ReadSymbolReference();
tag.Symbols.Add(symbolRef);
}
return(tag);
}
public SwfDisplayList Visit(ExportAssetsTag tag, SwfDisplayList dl)
{
foreach (var asset_tag in tag.AssetTags)
{
var define = Library.FindDefine <SwfLibraryDefine>(asset_tag.Tag);
if (define != null)
{
define.ExportName = asset_tag.Name.Trim();
}
}
return(dl);
}
static SwfTagBase Create(SwfTagData tag_data)
{
var reader = new SwfStreamReader(tag_data.TagData);
switch (tag_data.TagId)
{
// Display list
case (int)SwfTagType.PlaceObject: return(PlaceObjectTag.Create(reader));
case (int)SwfTagType.PlaceObject2: return(PlaceObject2Tag.Create(reader));
case (int)SwfTagType.PlaceObject3: return(PlaceObject3Tag.Create(reader));
case (int)SwfTagType.RemoveObject: return(RemoveObjectTag.Create(reader));
case (int)SwfTagType.RemoveObject2: return(RemoveObject2Tag.Create(reader));
case (int)SwfTagType.ShowFrame: return(ShowFrameTag.Create(reader));
// Control
case (int)SwfTagType.SetBackgroundColor: return(SetBackgroundColorTag.Create(reader));
case (int)SwfTagType.FrameLabel: return(FrameLabelTag.Create(reader));
case (int)SwfTagType.Protect: return(ProtectTag.Create(reader));
case (int)SwfTagType.End: return(EndTag.Create(reader));
case (int)SwfTagType.ExportAssets: return(ExportAssetsTag.Create(reader));
case (int)SwfTagType.ImportAssets: return(UnsupportedTag.Create(SwfTagType.ImportAssets));
case (int)SwfTagType.EnableDebugger: return(EnableDebuggerTag.Create(reader));
case (int)SwfTagType.EnableDebugger2: return(EnableDebugger2Tag.Create(reader));
case (int)SwfTagType.ScriptLimits: return(ScriptLimitsTag.Create(reader));
case (int)SwfTagType.SetTabIndex: return(UnsupportedTag.Create(SwfTagType.SetTabIndex));
case (int)SwfTagType.ImportAssets2: return(UnsupportedTag.Create(SwfTagType.ImportAssets2));
case (int)SwfTagType.SymbolClass: return(SymbolClassTag.Create(reader));
case (int)SwfTagType.Metadata: return(MetadataTag.Create(reader));
case (int)SwfTagType.DefineScalingGrid: return(UnsupportedTag.Create(SwfTagType.DefineScalingGrid));
case (int)SwfTagType.DefineSceneAndFrameLabelData: return(DefineSceneAndFrameLabelDataTag.Create(reader));
// Actions
case (int)SwfTagType.DoAction: return(UnsupportedTag.Create(SwfTagType.DoAction));
case (int)SwfTagType.DoInitAction: return(UnsupportedTag.Create(SwfTagType.DoInitAction));
case (int)SwfTagType.DoABC: return(DoABCTag.Create(reader));
// Shape
case (int)SwfTagType.DefineShape: return(DefineShapeTag.Create(reader));
case (int)SwfTagType.DefineShape2: return(DefineShape2Tag.Create(reader));
case (int)SwfTagType.DefineShape3: return(DefineShape3Tag.Create(reader));
case (int)SwfTagType.DefineShape4: return(DefineShape4Tag.Create(reader));
// Bitmaps
case (int)SwfTagType.DefineBits: return(UnsupportedTag.Create(SwfTagType.DefineBits));
case (int)SwfTagType.JPEGTables: return(UnsupportedTag.Create(SwfTagType.JPEGTables));
case (int)SwfTagType.DefineBitsJPEG2: return(UnsupportedTag.Create(SwfTagType.DefineBitsJPEG2));
case (int)SwfTagType.DefineBitsJPEG3: return(UnsupportedTag.Create(SwfTagType.DefineBitsJPEG3));
case (int)SwfTagType.DefineBitsLossless: return(DefineBitsLosslessTag.Create(reader));
case (int)SwfTagType.DefineBitsLossless2: return(DefineBitsLossless2Tag.Create(reader));
case (int)SwfTagType.DefineBitsJPEG4: return(UnsupportedTag.Create(SwfTagType.DefineBitsJPEG4));
// Shape Morphing
case (int)SwfTagType.DefineMorphShape: return(UnsupportedTag.Create(SwfTagType.DefineMorphShape));
case (int)SwfTagType.DefineMorphShape2: return(UnsupportedTag.Create(SwfTagType.DefineMorphShape2));
// Fonts and Text
case (int)SwfTagType.DefineFont: return(UnsupportedTag.Create(SwfTagType.DefineFont));
case (int)SwfTagType.DefineFontInfo: return(UnsupportedTag.Create(SwfTagType.DefineFontInfo));
case (int)SwfTagType.DefineFontInfo2: return(UnsupportedTag.Create(SwfTagType.DefineFontInfo2));
case (int)SwfTagType.DefineFont2: return(UnsupportedTag.Create(SwfTagType.DefineFont2));
case (int)SwfTagType.DefineFont3: return(UnsupportedTag.Create(SwfTagType.DefineFont3));
case (int)SwfTagType.DefineFontAlignZones: return(UnsupportedTag.Create(SwfTagType.DefineFontAlignZones));
case (int)SwfTagType.DefineFontName: return(UnsupportedTag.Create(SwfTagType.DefineFontName));
case (int)SwfTagType.DefineText: return(UnsupportedTag.Create(SwfTagType.DefineText));
case (int)SwfTagType.DefineText2: return(UnsupportedTag.Create(SwfTagType.DefineText2));
case (int)SwfTagType.DefineEditText: return(UnsupportedTag.Create(SwfTagType.DefineEditText));
case (int)SwfTagType.CSMTextSettings: return(UnsupportedTag.Create(SwfTagType.CSMTextSettings));
case (int)SwfTagType.DefineFont4: return(UnsupportedTag.Create(SwfTagType.DefineFont4));
// Sounds
case (int)SwfTagType.DefineSound: return(UnsupportedTag.Create(SwfTagType.DefineSound));
case (int)SwfTagType.StartSound: return(UnsupportedTag.Create(SwfTagType.StartSound));
case (int)SwfTagType.StartSound2: return(UnsupportedTag.Create(SwfTagType.StartSound2));
case (int)SwfTagType.SoundStreamHead: return(UnsupportedTag.Create(SwfTagType.SoundStreamHead));
case (int)SwfTagType.SoundStreamHead2: return(UnsupportedTag.Create(SwfTagType.SoundStreamHead2));
case (int)SwfTagType.SoundStreamBlock: return(UnsupportedTag.Create(SwfTagType.SoundStreamBlock));
// Buttons
case (int)SwfTagType.DefineButton: return(UnsupportedTag.Create(SwfTagType.DefineButton));
case (int)SwfTagType.DefineButton2: return(UnsupportedTag.Create(SwfTagType.DefineButton2));
case (int)SwfTagType.DefineButtonCxform: return(UnsupportedTag.Create(SwfTagType.DefineButtonCxform));
case (int)SwfTagType.DefineButtonSound: return(UnsupportedTag.Create(SwfTagType.DefineButtonSound));
// Sprites and Movie Clips
case (int)SwfTagType.DefineSprite: return(DefineSpriteTag.Create(reader));
// Video
case (int)SwfTagType.DefineVideoStream: return(UnsupportedTag.Create(SwfTagType.DefineVideoStream));
case (int)SwfTagType.VideoFrame: return(UnsupportedTag.Create(SwfTagType.VideoFrame));
// Metadata
case (int)SwfTagType.FileAttributes: return(FileAttributesTag.Create(reader));
case (int)SwfTagType.EnableTelemetry: return(EnableTelemetryTag.Create(reader));
case (int)SwfTagType.DefineBinaryData: return(DefineBinaryDataTag.Create(reader));
default: return(UnknownTag.Create(tag_data.TagId));
}
}
/// <summary>
/// Read next tag from swf input stream.
/// </summary>
/// <param name="version">Version.</param>
/// <param name="binaryReader">Binary reader.</param>
/// <param name="tagList">Tag list.</param>
/// <returns></returns>
internal static BaseTag ReadTag(byte version, BufferedBinaryReader binaryReader, BaseTagCollection tagList)
{
long posBefore = binaryReader.BaseStream.Position;
RecordHeader rh = new RecordHeader();
rh.ReadData(binaryReader);
int offset = (int)(binaryReader.BaseStream.Position - posBefore);
binaryReader.BaseStream.Position = posBefore;
BaseTag resTag = null;
switch (rh.TagCode)
{
case (int)TagCodeEnum.DefineBits: resTag = new DefineBitsTag(); break;
case (int)TagCodeEnum.DefineBitsJpeg2: resTag = new DefineBitsJpeg2Tag(); break;
case (int)TagCodeEnum.DefineBitsJpeg3: resTag = new DefineBitsJpeg3Tag(); break;
case (int)TagCodeEnum.DefineBitsLossLess: resTag = new DefineBitsLossLessTag(); break;
case (int)TagCodeEnum.DefineBitsLossLess2: resTag = new DefineBitsLossLess2Tag(); break;
case (int)TagCodeEnum.DefineButton: resTag = new DefineButtonTag(); break;
case (int)TagCodeEnum.DefineButton2: resTag = new DefineButton2Tag(); break;
case (int)TagCodeEnum.DefineButtonCxForm: resTag = new DefineButtonCxFormTag(); break;
case (int)TagCodeEnum.DefineButtonSound: resTag = new DefineButtonSoundTag(); break;
case (int)TagCodeEnum.DefineEditText: resTag = new DefineEditTextTag(); break;
case (int)TagCodeEnum.DefineFont: resTag = new DefineFontTag(); break;
case (int)TagCodeEnum.DefineFont2: resTag = new DefineFont2Tag(); break;
case (int)TagCodeEnum.DefineFontInfo: resTag = new DefineFontInfoTag(); break;
case (int)TagCodeEnum.DefineFontInfo2: resTag = new DefineFontInfo2Tag(); break;
case (int)TagCodeEnum.DefineMorphShape: resTag = new DefineMorphShapeTag(); break;
case (int)TagCodeEnum.DefineShape: resTag = new DefineShapeTag(); break;
case (int)TagCodeEnum.DefineShape2: resTag = new DefineShape2Tag(); break;
case (int)TagCodeEnum.DefineShape3: resTag = new DefineShape3Tag(); break;
case (int)TagCodeEnum.DefineSound: resTag = new DefineSoundTag(); break;
case (int)TagCodeEnum.DefineSprite: resTag = new DefineSpriteTag(); break;
case (int)TagCodeEnum.DefineText: resTag = new DefineTextTag(); break;
case (int)TagCodeEnum.DefineText2: resTag = new DefineText2Tag(); break;
case (int)TagCodeEnum.DefineVideoStream: resTag = new DefineVideoStreamTag(); break;
case (int)TagCodeEnum.DoAction: resTag = new DoActionTag(); break;
case (int)TagCodeEnum.EnableDebugger: resTag = new EnableDebuggerTag(); break;
case (int)TagCodeEnum.EnableDebugger2: resTag = new EnableDebugger2Tag(); break;
case (int)TagCodeEnum.End: resTag = new EndTag(); break;
case (int)TagCodeEnum.ExportAssets: resTag = new ExportAssetsTag(); break;
case (int)TagCodeEnum.FrameLabel: resTag = new FrameLabelTag(); break;
case (int)TagCodeEnum.ImportAssets: resTag = new ImportAssetsTag(); break;
case (int)TagCodeEnum.InitAction: resTag = new InitActionTag(); break;
case (int)TagCodeEnum.JpegTable: resTag = new JpegTableTag(); break;
case (int)TagCodeEnum.PlaceObject: resTag = new PlaceObjectTag(); break;
case (int)TagCodeEnum.PlaceObject2: resTag = new PlaceObject2Tag(); break;
case (int)TagCodeEnum.Protect: resTag = new ProtectTag(); break;
case (int)TagCodeEnum.RemoveObject: resTag = new RemoveObjectTag(); break;
case (int)TagCodeEnum.RemoveObject2: resTag = new RemoveObject2Tag(); break;
case (int)TagCodeEnum.ScriptLimit: resTag = new ScriptLimitTag(); break;
case (int)TagCodeEnum.SetBackgroundColor: resTag = new SetBackgroundColorTag(); break;
case (int)TagCodeEnum.SetTabIndex: resTag = new SetTabIndexTag(); break;
case (int)TagCodeEnum.ShowFrame: resTag = new ShowFrameTag(); break;
case (int)TagCodeEnum.SoundStreamBlock: resTag = new SoundStreamBlockTag(); break;
case (int)TagCodeEnum.SoundStreamHead: resTag = new SoundStreamHeadTag(); break;
case (int)TagCodeEnum.SoundStreamHead2: resTag = new SoundStreamHead2Tag(); break;
case (int)TagCodeEnum.StartSound: resTag = new StartSoundTag(); break;
case (int)TagCodeEnum.Metadata: resTag = new MetadataTag(); break;
case (int)TagCodeEnum.SymbolClass: resTag = new SymbolClassTag(); break;
//TODO: Sorenson Codec
case (int)TagCodeEnum.VideoFrame: resTag = ReadVideoFrameTag(binaryReader, tagList); break;
default: resTag = new BaseTag(binaryReader.ReadBytes(System.Convert.ToInt32(rh.TagLength + offset)), rh.TagCode); break;
}
//Read the data of the current tag
resTag.ReadData(version, binaryReader);
//LOG
long mustRead = rh.TagLength + offset;
if (posBefore + mustRead != binaryReader.BaseStream.Position)
{
binaryReader.BaseStream.Position = posBefore + rh.TagLength + offset;
if (log.IsErrorEnabled)
{
log.Error(Enum.GetName(TagCodeEnum.DefineBits.GetType(), rh.TagCode) + "....KO");
}
}
else if (log.IsInfoEnabled)
{
log.Info(Enum.GetName(TagCodeEnum.DefineBits.GetType(), rh.TagCode) + "....OK (" + mustRead + ")");
}
return(resTag);
}
ITagFormatter ISwfTagVisitor <object, ITagFormatter> .Visit(ExportAssetsTag tag, object arg)
{
return(new ExportAssetsTagFormatter());
}
protected virtual TagItem ReadTag(HeaderRecord header, FlashReader input)
{
TagItem tag = null;
switch (header.Kind)
{
case TagKind.DefineBinaryData:
tag = new DefineBinaryDataTag(header, input);
break;
case TagKind.DefineBitsLossless2:
tag = new DefineBitsLossless2Tag(header, input);
break;
case TagKind.DefineFontName:
tag = new DefineFontNameTag(header, input);
break;
case TagKind.DefineSound:
tag = new DefineSoundTag(header, input);
break;
case TagKind.DoABC:
tag = new DoABCTag(header, input);
break;
case TagKind.End:
tag = new EndTag(header);
break;
case TagKind.ExportAssets:
tag = new ExportAssetsTag(header, input);
break;
case TagKind.FileAttributes:
tag = new FileAttributesTag(header, input);
break;
case TagKind.FrameLabel:
tag = new FrameLabelTag(header, input);
break;
case TagKind.ProductInfo:
tag = new ProductInfoTag(header, input);
break;
case TagKind.ScriptLimits:
tag = new ScriptLimitsTag(header, input);
break;
case TagKind.SetBackgroundColor:
tag = new SetBackgroundColorTag(header, input);
break;
case TagKind.ShowFrame:
tag = new ShowFrameTag(header);
break;
case TagKind.SymbolClass:
tag = new SymbolClassTag(header, input);
break;
default:
case TagKind.Unknown:
tag = new UnknownTag(header, input);
break;
}
return(tag);
}
