protected SwfTagData ReadEmbeddedTagData(string resourceName, SwfTagType type)
{
var resourcePath = GetType().Namespace + "." + resourceName;
var stream = GetType().Assembly.GetManifestResourceStream(resourcePath);
var data = new byte[stream.Length];
stream.Read(data, 0, data.Length);
return new SwfTagData { Data = data, Type = type };
}
public SwfTagBase ReadTag(SwfTagType type, ISwfStreamReader reader)
{
var tag = _factory.Create(type);
tag.AcceptVistor(this, reader);
tag.RestData = reader.BytesLeft > 0 ? reader.ReadRest() : null;
return(tag);
}
protected SwfTagData ReadEmbeddedTagData(string resourceName, SwfTagType type)
{
var resourcePath = GetType().Namespace + "." + resourceName;
var stream = GetType().Assembly.GetManifestResourceStream(resourcePath);
var data = new byte[stream.Length];
stream.Read(data, 0, data.Length);
return(new SwfTagData {
Data = data, Type = type
});
}
protected static byte[] GetTagPayload(byte[] data)
{
ushort typeAndSize = (ushort)(data[0] | (data[1] << 8));
SwfTagType type = (SwfTagType)(typeAndSize >> 6);
int size = typeAndSize & 0x3f;
int startIndex = 2;
if (size >= 0x3f)
{
size = (data[2] | (data[3] << 8) | (data[4] << 16) | (data[5] << 24));
startIndex = 6;
}
byte[] payload = new byte[size];
Array.Copy(data, startIndex, payload, 0, size);
return(payload);
}
protected IEnumerable <SwfTagData> GetTagBinariesFromSwfResource(string resourceName)
{
var file = new SwfFile();
var stream = OpenEmbeddedResource(resourceName);
SwfStreamReader reader = new SwfStreamReader(stream);
file.FileInfo = reader.ReadSwfFileInfo();
stream = DecompressIfNeeded(file.FileInfo, stream);
stream.Seek(8, SeekOrigin.Begin);
reader = new SwfStreamReader(stream);
file.Header = reader.ReadSwfHeader();
while (stream.Position < stream.Length)
{
ushort typeAndSize = reader.ReadUInt16();
SwfTagType type = (SwfTagType)(typeAndSize >> 6);
int shortSize = typeAndSize & 0x3f;
int size = shortSize < 0x3f ? shortSize : reader.ReadInt32();
yield return(new SwfTagData {
Type = type, Data = reader.ReadBytes(size)
});
}
}
/// <summary>
/// Sets the type of the tag.
/// </summary>
/// <param name="type">The type.</param>
public void SetTagType(SwfTagType type)
{
_type = type;
}
/// <summary>
/// Initializes a new instance of the <see cref="UnknownTag"/> class.
/// </summary>
/// <param name="type">The type.</param>
public UnknownTag(SwfTagType type)
{
_type = type;
}
/// <summary>
/// Creates an instance of swf tag by its type.
/// </summary>
/// <param name="tagType"></param>
/// <returns></returns>
public SwfTagBase Create(SwfTagType tagType)
{
switch (tagType)
{
case SwfTagType.End:
return(new EndTag());
case SwfTagType.ShowFrame:
return(new ShowFrameTag());
case SwfTagType.DefineShape:
return(new DefineShapeTag());
case SwfTagType.PlaceObject:
return(new PlaceObjectTag());
case SwfTagType.RemoveObject:
return(new RemoveObjectTag());
case SwfTagType.DefineBits:
return(new DefineBitsTag());
case SwfTagType.DefineButton:
return(new DefineButtonTag());
case SwfTagType.JPEGTables:
return(new JPEGTablesTag());
case SwfTagType.SetBackgroundColor:
return(new SetBackgroundColorTag());
case SwfTagType.DefineFont:
return(new DefineFontTag());
case SwfTagType.DefineText:
return(new DefineTextTag());
case SwfTagType.DoAction:
return(new DoActionTag());
case SwfTagType.DefineFontInfo:
return(new DefineFontInfoTag());
case SwfTagType.DefineSound:
return(new DefineSoundTag());
case SwfTagType.StartSound:
return(new StartSoundTag());
case SwfTagType.DefineButtonSound:
return(new DefineButtonSoundTag());
case SwfTagType.SoundStreamHead:
return(new SoundStreamHeadTag());
case SwfTagType.SoundStreamBlock:
return(new SoundStreamBlockTag());
case SwfTagType.DefineBitsLossless:
return(new DefineBitsLosslessTag());
case SwfTagType.DefineBitsJPEG2:
return(new DefineBitsJPEG2Tag());
case SwfTagType.DefineShape2:
return(new DefineShape2Tag());
case SwfTagType.DefineButtonCxform:
return(new DefineButtonCxformTag());
case SwfTagType.Protect:
return(new ProtectTag());
case SwfTagType.PlaceObject2:
return(new PlaceObject2Tag());
case SwfTagType.RemoveObject2:
return(new RemoveObject2Tag());
case SwfTagType.DefineShape3:
return(new DefineShape3Tag());
case SwfTagType.DefineText2:
return(new DefineText2Tag());
case SwfTagType.DefineButton2:
return(new DefineButton2Tag());
case SwfTagType.DefineBitsJPEG3:
return(new DefineBitsJPEG3Tag());
case SwfTagType.DefineBitsLossless2:
return(new DefineBitsLossless2Tag());
case SwfTagType.DefineEditText:
return(new DefineEditTextTag());
case SwfTagType.DefineSprite:
return(new DefineSpriteTag());
case SwfTagType.FrameLabel:
return(new FrameLabelTag());
case SwfTagType.SoundStreamHead2:
return(new SoundStreamHead2Tag());
case SwfTagType.DefineMorphShape:
return(new DefineMorphShapeTag());
case SwfTagType.DefineFont2:
return(new DefineFont2Tag());
case SwfTagType.ExportAssets:
return(new ExportAssetsTag());
case SwfTagType.ImportAssets:
return(new ImportAssetsTag());
case SwfTagType.EnableDebugger:
return(new EnableDebuggerTag());
case SwfTagType.DoInitAction:
return(new DoInitActionTag());
case SwfTagType.DefineVideoStream:
return(new DefineVideoStreamTag());
case SwfTagType.VideoFrame:
return(new VideoFrameTag());
case SwfTagType.DefineFontInfo2:
return(new DefineFontInfo2Tag());
case SwfTagType.EnableDebugger2:
return(new EnableDebugger2Tag());
case SwfTagType.ScriptLimits:
return(new ScriptLimitsTag());
case SwfTagType.SetTabIndex:
return(new SetTabIndexTag());
case SwfTagType.FileAttributes:
return(new FileAttributesTag());
case SwfTagType.PlaceObject3:
return(new PlaceObject3Tag());
case SwfTagType.ImportAssets2:
return(new ImportAssets2Tag());
case SwfTagType.DoABCDefine:
return(new DoABCDefineTag());
case SwfTagType.DefineFontAlignZones:
return(new DefineFontAlignZonesTag());
case SwfTagType.CSMTextSettings:
return(new CSMTextSettingsTag());
case SwfTagType.DefineFont3:
return(new DefineFont3Tag());
case SwfTagType.SymbolClass:
return(new SymbolClassTag());
case SwfTagType.Metadata:
return(new MetadataTag());
case SwfTagType.DefineScalingGrid:
return(new DefineScalingGridTag());
case SwfTagType.DoABC:
return(new DoABCTag());
case SwfTagType.DefineShape4:
return(new DefineShape4Tag());
case SwfTagType.DefineMorphShape2:
return(new DefineMorphShape2Tag());
case SwfTagType.DefineSceneAndFrameLabelData:
return(new DefineSceneAndFrameLabelDataTag());
case SwfTagType.DefineBinaryData:
return(new DefineBinaryDataTag());
case SwfTagType.DefineFontName:
return(new DefineFontNameTag());
case SwfTagType.StartSound2:
return(new StartSound2Tag());
case SwfTagType.DefineBitsJPEG4:
return(new DefineBitsJPEG4Tag());
case SwfTagType.DefineFont4:
return(new DefineFont4Tag());
default:
return(new UnknownTag(tagType));
}
}
/// <summary>
/// Creates an instance of swf tag by its type.
/// </summary>
/// <param name="tagType"></param>
/// <returns></returns>
public SwfTagBase Create(SwfTagType tagType)
{
switch (tagType) {
case SwfTagType.End:
return new EndTag();
case SwfTagType.ShowFrame:
return new ShowFrameTag();
case SwfTagType.DefineShape:
return new DefineShapeTag();
case SwfTagType.PlaceObject:
return new PlaceObjectTag();
case SwfTagType.RemoveObject:
return new RemoveObjectTag();
case SwfTagType.DefineBits:
return new DefineBitsTag();
case SwfTagType.DefineButton:
return new DefineButtonTag();
case SwfTagType.JPEGTables:
return new JPEGTablesTag();
case SwfTagType.SetBackgroundColor:
return new SetBackgroundColorTag();
case SwfTagType.DefineFont:
return new DefineFontTag();
case SwfTagType.DefineText:
return new DefineTextTag();
case SwfTagType.DoAction:
return new DoActionTag();
case SwfTagType.DefineFontInfo:
return new DefineFontInfoTag();
case SwfTagType.DefineSound:
return new DefineSoundTag();
case SwfTagType.StartSound:
return new StartSoundTag();
case SwfTagType.DefineButtonSound:
return new DefineButtonSoundTag();
case SwfTagType.SoundStreamHead:
return new SoundStreamHeadTag();
case SwfTagType.SoundStreamBlock:
return new SoundStreamBlockTag();
case SwfTagType.DefineBitsLossless:
return new DefineBitsLosslessTag();
case SwfTagType.DefineBitsJPEG2:
return new DefineBitsJPEG2Tag();
case SwfTagType.DefineShape2:
return new DefineShape2Tag();
case SwfTagType.DefineButtonCxform:
return new DefineButtonCxformTag();
case SwfTagType.Protect:
return new ProtectTag();
case SwfTagType.PlaceObject2:
return new PlaceObject2Tag();
case SwfTagType.RemoveObject2:
return new RemoveObject2Tag();
case SwfTagType.DefineShape3:
return new DefineShape3Tag();
case SwfTagType.DefineText2:
return new DefineText2Tag();
case SwfTagType.DefineButton2:
return new DefineButton2Tag();
case SwfTagType.DefineBitsJPEG3:
return new DefineBitsJPEG3Tag();
case SwfTagType.DefineBitsLossless2:
return new DefineBitsLossless2Tag();
case SwfTagType.DefineEditText:
return new DefineEditTextTag();
case SwfTagType.DefineSprite:
return new DefineSpriteTag();
case SwfTagType.FrameLabel:
return new FrameLabelTag();
case SwfTagType.SoundStreamHead2:
return new SoundStreamHead2Tag();
case SwfTagType.DefineMorphShape:
return new DefineMorphShapeTag();
case SwfTagType.DefineFont2:
return new DefineFont2Tag();
case SwfTagType.ExportAssets:
return new ExportAssetsTag();
case SwfTagType.ImportAssets:
return new ImportAssetsTag();
case SwfTagType.EnableDebugger:
return new EnableDebuggerTag();
case SwfTagType.DoInitAction:
return new DoInitActionTag();
case SwfTagType.DefineVideoStream:
return new DefineVideoStreamTag();
case SwfTagType.VideoFrame:
return new VideoFrameTag();
case SwfTagType.DefineFontInfo2:
return new DefineFontInfo2Tag();
case SwfTagType.EnableDebugger2:
return new EnableDebugger2Tag();
case SwfTagType.ScriptLimits:
return new ScriptLimitsTag();
case SwfTagType.SetTabIndex:
return new SetTabIndexTag();
case SwfTagType.FileAttributes:
return new FileAttributesTag();
case SwfTagType.PlaceObject3:
return new PlaceObject3Tag();
case SwfTagType.ImportAssets2:
return new ImportAssets2Tag();
case SwfTagType.DoABCDefine:
return new DoABCDefineTag();
case SwfTagType.DefineFontAlignZones:
return new DefineFontAlignZonesTag();
case SwfTagType.CSMTextSettings:
return new CSMTextSettingsTag();
case SwfTagType.DefineFont3:
return new DefineFont3Tag();
case SwfTagType.SymbolClass:
return new SymbolClassTag();
case SwfTagType.Metadata:
return new MetadataTag();
case SwfTagType.DefineScalingGrid:
return new DefineScalingGridTag();
case SwfTagType.DoABC:
return new DoABCTag();
case SwfTagType.DefineShape4:
return new DefineShape4Tag();
case SwfTagType.DefineMorphShape2:
return new DefineMorphShape2Tag();
case SwfTagType.DefineSceneAndFrameLabelData:
return new DefineSceneAndFrameLabelDataTag();
case SwfTagType.DefineBinaryData:
return new DefineBinaryDataTag();
case SwfTagType.DefineFontName:
return new DefineFontNameTag();
case SwfTagType.StartSound2:
return new StartSound2Tag();
case SwfTagType.DefineBitsJPEG4:
return new DefineBitsJPEG4Tag();
case SwfTagType.DefineFont4:
return new DefineFont4Tag();
default:
return new UnknownTag(tagType);
}
}
public static UnsupportedTag Create(SwfTagType tag_type)
{
return(new UnsupportedTag {
_tagType = tag_type
});
}
