/// <summary>
/// Read swf (header and tags), this is the only
/// public method of <see cref="SwfDotNet.IO.SwfReader">SwfReader</see>
/// with <see cref="SwfDotNet.IO.SwfReader.Close">Close</see> and
/// <see cref="SwfDotNet.IO.SwfReader.ReadSwfHeader">ReadSwfHeader</see> methods.
/// The returned <see cref="SwfDotNet.IO.Swf">Swf</see> object contains swf headers informations and the
/// tags list.
/// </summary>
public Swf ReadSwf()
{
// compressed swf?
if (br.PeekChar() == 'C')
{
Inflate();
}
SwfHeader header = new SwfHeader();
header.ReadData(br);
this.version = header.Version;
tagList = new BaseTagCollection();
bool readEndTag = false; //necessary for the 1 more byte bug
while (br.BaseStream.Position < br.BaseStream.Length && !readEndTag)
{
BaseTag b = SwfReader.ReadTag(this.version, this.br, this.tagList);
if (b != null)
{
if (b is EndTag)
{
readEndTag = true;
}
tagList.Add(b);
}
}
;
br.Close();
return(new Swf(header, tagList));
}
/// <summary>
/// Creates a new <see cref="Swf"/> instance.
/// </summary>
public Swf()
{
this.header = new SwfHeader();
this.tagList = new BaseTagCollection();
this.tagList.TagAdded += new TagAddedEvent(tagList_TagAdded);
Init();
}
/// <summary>
/// Injects a range of tags in the current Swf.
/// </summary>
/// <param name="values">The values.</param>
public void InjectTags(BaseTagCollection values)
{
IEnumerator enums = values.GetEnumerator();
for (int i = 0; enums.MoveNext(); i++)
{
BaseTag baseTag = (BaseTag)enums.Current;
Add(baseTag);
}
}
/// <summary>
/// Reads the SWF header only.
/// This method don't read the complete content of the
/// SWF file. Then, it provides the possibility to
/// get faster header informations, and only it.
/// </summary>
/// <returns></returns>
public SwfHeader ReadSwfHeader()
{
// compressed swf?
if (br.PeekChar() == 'C')
{
Inflate();
}
SwfHeader header = new SwfHeader();
header.ReadData(br);
this.version = header.Version;
tagList = new BaseTagCollection();
br.Close();
return(header);
}
/// <summary>
/// Creates a new <see cref="Swf"/> instance.
/// </summary>
/// <param name="header">Swf Header.</param>
/// <param name="tagList">Swf Tag list sequence.</param>
public Swf(SwfHeader header, BaseTagCollection tagList)
{
this.header = header;
this.tagList = tagList;
Init();
// count actions
_actionCount = 0;
foreach (BaseTag b in tagList)
{
_actionCount += b.ActionRecCount;
if (b is DefineTag)
{
dictionnary.Add(b as DefineTag);
}
}
}
private void ReadSwf(Swf swf)
{
this.labelVersion.Text = swf.Version.ToString();
this.labelFileSize.Text = swf.Header.FileSize.ToString();
this.labelFps.Text = swf.Header.Fps.ToString();
this.labelWidth.Text = swf.Header.Size.Rectangle.Width.ToString();
this.labelHeight.Text = swf.Header.Size.Rectangle.Height.ToString();
this.labelFrameCnt.Text = swf.Header.Frames.ToString();
this.labelSignature.Text = swf.Header.Signature;
this.labelASbytes.Text = swf.ActionCount.ToString();
this.listBoxActions.Items.Clear();
BaseTagCollection tags = swf.Tags;
int i = 0;
for (; i < tags.Count; i++)
{
BaseTag tag = tags[i];
int code = tag.TagCode;
if (code != -1)
{
SwfDotNet.IO.Tags.TagCodeEnum val = SwfDotNet.IO.Tags.TagCodeEnum.DefineBits;
val = (SwfDotNet.IO.Tags.TagCodeEnum)System.Enum.Parse(val.GetType(), code.ToString());
this.listBoxActions.Items.Add(val.ToString());
if (tag is SetBackgroundColorTag)
{
this.listBoxActions.Items.Add(" R:" +
((SetBackgroundColorTag)tag).RGB.red +
" G:" + ((SetBackgroundColorTag)tag).RGB.green +
" B:" + ((SetBackgroundColorTag)tag).RGB.blue);
}
if (tag is FrameLabelTag)
{
this.listBoxActions.Items.Add(" Name: " +
((FrameLabelTag)tag).Name);
}
if (((SwfDotNet.IO.Tags.BaseTag)tag) is DefineFontInfo2Tag)
{
this.listBoxActions.Items.Add(" FontName: " +
((DefineFontInfo2Tag)tag).FontName);
}
if (((SwfDotNet.IO.Tags.BaseTag)tag).ActionRecCount != 0)
{
IEnumerator enum2 = ((SwfDotNet.IO.Tags.BaseTag)tag).GetEnumerator();
while (enum2.MoveNext())
{
SwfDotNet.IO.ByteCode.Decompiler dc = new SwfDotNet.IO.ByteCode.Decompiler(swf.Version);
ArrayList actions = dc.Decompile((byte[])enum2.Current);
foreach (BaseAction obj in actions)
{
this.listBoxActions.Items.Add(" " + obj.ToString());
}
}
}
}
}
this.labelTagsCnt.Text = i.ToString();
}
/// <summary>
/// Read and parse VideoFrameTag, into inner tags and raw byte-array header data
/// </summary>
private static VideoFrameTag ReadVideoFrameTag(BufferedBinaryReader binaryReader, BaseTagCollection tagList)
{
VideoFrameTag video = new VideoFrameTag();
ushort streamId = binaryReader.PeekUInt16();
IEnumerator tags = tagList.GetEnumerator();
while (tags.MoveNext())
{
BaseTag tag = (BaseTag)tags.Current;
if (tag is DefineVideoStreamTag)
{
if (((DefineVideoStreamTag)tag).CharacterId == streamId)
{
video.CodecId = ((DefineVideoStreamTag)tag).CodecId;
}
}
}
return(video);
}
/// <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.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.End: resTag = new EndTag(); break;
case (int)TagCodeEnum.SymbolClass: resTag = new SymbolClass(); break;
default: resTag = new BaseTag(binaryReader.ReadBytes(System.Convert.ToInt32(rh.TagLength + offset))); 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;
}
return(resTag);
}
/// <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);
}
