/// <summary>
/// Initializes a new instance of a SWF with the same defaults as the
/// Flash IDE.
/// </summary>
/// <param name="ctx">An optional object intended solely to give error messages
/// some context.</param>
/// <param name="generateScripts">True if you want to generate the default
/// timeline scripts.</param>
public SWF(SWFContext ctx, bool generateScripts)
{
this.Context = ctx;
this.FrameWidth = DefaultFrameWidth;
this.FrameHeight = DefaultFrameHeight;
this.Fps = DefaultFPS;
this.dictionary = new Dictionary <string, ICharacter>();
this.scripts = new List <DoABC>();
this.fonts = new List <SWFFont>();
this.BackgroundColor = defaultBGColour;
/* ISSUE 30: This list is read when the swf is written, but we never
* add to it. We should add to it on instruction from swiffotron xml
* attributes, and also when we infer that a read sprite should be
* exported based on its position in the source SWF relative to its first
* use. */
this.exportOnFirstFrame = new List <Sprite>();
this.clipClassMap = new Dictionary <AS3ClassDef, Timeline>();
if (generateScripts)
{
this.GenerateTimelineScripts();
}
}
/// <summary>
/// Initializes a new instance of a SWF with the same defaults as the
/// Flash IDE.
/// </summary>
/// <param name="ctx">An optional object intended solely to give error messages
/// some context.</param>
/// <param name="generateScripts">True if you want to generate the default
/// timeline scripts.</param>
public SWF(SWFContext ctx, bool generateScripts)
{
this.Context = ctx;
this.FrameWidth = DefaultFrameWidth;
this.FrameHeight = DefaultFrameHeight;
this.Fps = DefaultFPS;
this.dictionary = new Dictionary<string, ICharacter>();
this.scripts = new List<DoABC>();
this.fonts = new List<SWFFont>();
this.BackgroundColor = defaultBGColour;
/* ISSUE 30: This list is read when the swf is written, but we never
* add to it. We should add to it on instruction from swiffotron xml
* attributes, and also when we infer that a read sprite should be
* exported based on its position in the source SWF relative to its first
* use. */
this.exportOnFirstFrame = new List<Sprite>();
this.clipClassMap = new Dictionary<AS3ClassDef, Timeline>();
if (generateScripts)
{
this.GenerateTimelineScripts();
}
}
public void OnLoadAbc(bool lazyInit, SWFContext ctx, string abcName, int doAbcCount, byte[] bytecode)
{
string abcDir = TestDir + @"\abc\";
Directory.CreateDirectory(abcDir);
string name = ctx.Name + "." + abcName + doAbcCount + abcName + ".abc";
using (FileStream fs = new FileStream(abcDir + name, FileMode.Create))
{
fs.Write(bytecode, 0, bytecode.Length);
}
StringBuilder abcReadLog = new StringBuilder();
AbcCode code = new AbcReader().Read(bytecode, abcReadLog);
StringBuilder abcd = new StringBuilder();
code.ToStringModelView(0, abcd);
byte[] dasmBytes = new ASCIIEncoding().GetBytes(abcd.ToString());
using (FileStream fs = new FileStream(abcDir + name + ".txt", FileMode.Create))
{
fs.Write(dasmBytes, 0, dasmBytes.Length);
}
byte[] abcReadLogBytes = new ASCIIEncoding().GetBytes(abcReadLog.ToString());
using (FileStream fs = new FileStream(abcDir + name + ".abcread.txt", FileMode.Create))
{
fs.Write(abcReadLogBytes, 0, abcReadLogBytes.Length);
}
}
public void OnLoadAbc(bool lazyInit, SWFContext ctx, string abcName, int doAbcCount, byte[] bytecode)
{
StringBuilder readLog = new StringBuilder();
new AbcReader().Read(bytecode, readLog);
using (FileStream modelOut = new FileStream(ctx.Name + ".ABCREAD" + "." + doAbcCount + ".txt", FileMode.Create))
{
byte[] ascii = new ASCIIEncoding().GetBytes(readLog.ToString());
modelOut.Write(ascii, 0, ascii.Length);
}
}
public void OnLoadAbc(bool lazyInit, SWFContext ctx, string abcName, int doAbcCount, byte[] bytecode)
{
StringBuilder readLog = new StringBuilder();
new AbcReader().Read(bytecode, readLog);
using (FileStream modelOut = new FileStream(ctx.Name + ".ABCREAD" + "." + doAbcCount + ".txt", FileMode.Create))
{
byte[] ascii = new ASCIIEncoding().GetBytes(readLog.ToString());
modelOut.Write(ascii, 0, ascii.Length);
}
}
public void OnLoadAbc(bool lazyInit, SWFContext ctx, string abcName, int doAbcCount, byte[] bytecode)
{
string abcDir = this.TestDir + @"\abc\";
Directory.CreateDirectory(abcDir);
string name = ctx.Name + "." + abcName + doAbcCount + abcName + ".abc";
using (FileStream fs = new FileStream(abcDir + name, FileMode.Create))
{
fs.Write(bytecode, 0, bytecode.Length);
}
StringBuilder readLog = new StringBuilder();
AbcCode code = null;
try
{
code = new AbcReader().Read(bytecode, readLog);
}
catch (Exception e)
{
readLog.Append(e.Message);
throw;
}
finally
{
using (FileStream fs = new FileStream(abcDir + name + ".readlog.txt", FileMode.Create))
{
byte[] readLogBytes = new ASCIIEncoding().GetBytes(readLog.ToString());
fs.Write(readLogBytes, 0, readLogBytes.Length);
}
}
StringBuilder abcd = new StringBuilder();
code.ToStringModelView(0, abcd);
byte[] dasmBytes = new ASCIIEncoding().GetBytes(abcd.ToString());
using (FileStream fs = new FileStream(abcDir + name + ".txt", FileMode.Create))
{
fs.Write(dasmBytes, 0, dasmBytes.Length);
}
}
private void ReadHeader(SWFContext ctx)
{
int sig = this.sdtr.ReadUI24();
if (sig != SIG_COMPRESSED && sig != SIG_UNCOMPRESSED)
{
throw new SWFModellerException(
SWFModellerError.SWFParsing,
@"Not a SWF file", ctx);
}
bool compressed = sig == SIG_COMPRESSED;
this.version = this.sdtr.ReadUI8();
if (this.version < 9)
{
throw new SWFModellerException(
SWFModellerError.SWFParsing,
@"Only SWF 9+ is supported (Found " + this.version + ")", ctx);
}
#if DEBUG
this.Log("SWF version = " + this.version);
#endif
this.fileLen = this.sdtr.ReadUI32();
if (compressed)
{
this.sdtr.SwitchToDeflateMode(this.fileLen);
}
this.frameSize = this.sdtr.ReadRect();
this.fps = this.sdtr.ReadFIXED8();
this.frameCount = this.sdtr.ReadUI16();
}
/// <summary>
/// Merges some code into this code.
/// </summary>
/// <param name="abc">The code to merge into this object. Once merged, you should
/// discard 'abc'.</param>
internal void Merge(DoABC abc, SWFContext ctx)
{
/* Because we want everything to be object references... */
AbcCode abcCode = abc.Code; /* This is a kludge to force initial parsing of the abc data, if not done already */
AbcCode thisCode = this.Code;
abc.Disassemble(); /* This ensures that the code is disassembled into mergable form */
this.Disassemble();
foreach (AS3ClassDef clazz in abc.Code.Classes)
{
AS3ClassDef classCollision = thisCode.GetClassByQName(clazz.Name.QualifiedName);
if (classCollision != null)
{
throw new SWFModellerException(
SWFModellerError.CodeMerge,
"Class name collision on " + clazz.Name,
ctx.Sentinel("ClassNameCollision"));
}
thisCode.AddClass(clazz);
}
}
/// <summary>
/// Initializes a new instance of an exception without an error message
/// </summary>
/// <param name="error">The error code.</param>
public SWFModellerException(SWFModellerError error, SWFContext ctx)
: base(error.ToString() + "; " + ctx.ToString())
{
this.Error = error;
this.Sentinel = ctx.ToString();
}
/// <summary>
/// Factory method for a new timeline class.
/// </summary>
/// <param name="abc">The abc code to create the class within.</param>
/// <param name="packageName">Name of the fla. You can make this up, since you probably don't have
/// a fla.</param>
/// <param name="className">Name of the class.</param>
/// <returns>A bew timeline class.</returns>
private static AS3ClassDef GenerateTimelineClass(AbcCode abc, string qClassName, SWFContext ctx)
{
int splitPos = qClassName.LastIndexOf('.');
if (splitPos < 0)
{
throw new SWFModellerException(SWFModellerError.CodeMerge,
"A generated timeline class must have a package name.",
ctx.Sentinel("TimelineDefaultPackage"));
}
string packageName = qClassName.Substring(0, splitPos);
string className = qClassName.Substring(splitPos + 1);
/* Class name: */
Namespace flaNS = abc.CreateNamespace(Namespace.NamespaceKind.Package, packageName);
Multiname classMultinameName = abc.CreateMultiname(Multiname.MultinameKind.QName, className, flaNS, null);
/* Superclass: */
Namespace nsFlashDisplay = abc.CreateNamespace(Namespace.NamespaceKind.Package, "flash.display");
Multiname mnMovieClip = abc.CreateMultiname(Multiname.MultinameKind.QName, "MovieClip", nsFlashDisplay, null);
AS3ClassDef newClass = abc.CreateClass();
newClass.Name = classMultinameName;
newClass.Supername = mnMovieClip;
Namespace protectedNS = abc.CreateNamespace(Namespace.NamespaceKind.Protected, packageName + ":" + className);
newClass.ProtectedNS = protectedNS;
newClass.Cinit = abc.CreateMethod(className + "Constructor.abc", 1, 1, 9, 10,
/* The above magic numbers come from the numbers generated by IDE versions of this function.
* I have no real ideal about how I'd work them out for myself, which would obviously be
* more ideal. */
/* AFAICT, this is always generated by the IDE because the abc file format
* doesn't allow for classes with no static initialiser. It doesn't seem
* to actually do anything. */
abc.Op(Opcode.Mnemonics.GetLocal0),
abc.Op(Opcode.Mnemonics.PushScope),
abc.Op(Opcode.Mnemonics.ReturnVoid));
newClass.Iinit = abc.CreateMethod(className + "ClassInit.abc", 1, 1, 10, 11,
/* The above magic numbers come from the numbers generated by IDE versions of this function.
* I have no real ideal about how I'd work them out for myself, which would obviously be
* more ideal. */
abc.Op(Opcode.Mnemonics.GetLocal0),
abc.Op(Opcode.Mnemonics.PushScope),
abc.Op(Opcode.Mnemonics.GetLocal0),
abc.Op(Opcode.Mnemonics.ConstructSuper, 0U),
abc.Op(Opcode.Mnemonics.ReturnVoid));
return(newClass);
}
/// <summary>
/// Factory method for a new timeline class.
/// </summary>
/// <param name="abc">The abc code to create the class within.</param>
/// <param name="packageName">Name of the fla. You can make this up, since you probably don't have
/// a fla.</param>
/// <param name="className">Name of the class.</param>
/// <returns>A bew timeline class.</returns>
private static AS3ClassDef GenerateTimelineClass(AbcCode abc, string qClassName, SWFContext ctx)
{
int splitPos = qClassName.LastIndexOf('.');
if (splitPos < 0)
{
throw new SWFModellerException(SWFModellerError.CodeMerge,
"A generated timeline class must have a package name.",
ctx.Sentinel("TimelineDefaultPackage"));
}
string packageName = qClassName.Substring(0, splitPos);
string className = qClassName.Substring(splitPos + 1);
/* Class name: */
Namespace flaNS = abc.CreateNamespace(Namespace.NamespaceKind.Package, packageName);
Multiname classMultinameName = abc.CreateMultiname(Multiname.MultinameKind.QName, className, flaNS, null);
/* Superclass: */
Namespace nsFlashDisplay = abc.CreateNamespace(Namespace.NamespaceKind.Package, "flash.display");
Multiname mnMovieClip = abc.CreateMultiname(Multiname.MultinameKind.QName, "MovieClip", nsFlashDisplay, null);
AS3ClassDef newClass = abc.CreateClass();
newClass.Name = classMultinameName;
newClass.Supername = mnMovieClip;
Namespace protectedNS = abc.CreateNamespace(Namespace.NamespaceKind.Protected, packageName + ":" + className);
newClass.ProtectedNS = protectedNS;
newClass.Cinit = abc.CreateMethod(className + "Constructor.abc", 1, 1, 9, 10,
/* The above magic numbers come from the numbers generated by IDE versions of this function.
* I have no real ideal about how I'd work them out for myself, which would obviously be
* more ideal. */
/* AFAICT, this is always generated by the IDE because the abc file format
* doesn't allow for classes with no static initialiser. It doesn't seem
* to actually do anything. */
abc.Op(Opcode.Mnemonics.GetLocal0),
abc.Op(Opcode.Mnemonics.PushScope),
abc.Op(Opcode.Mnemonics.ReturnVoid));
newClass.Iinit = abc.CreateMethod(className + "ClassInit.abc", 1, 1, 10, 11,
/* The above magic numbers come from the numbers generated by IDE versions of this function.
* I have no real ideal about how I'd work them out for myself, which would obviously be
* more ideal. */
abc.Op(Opcode.Mnemonics.GetLocal0),
abc.Op(Opcode.Mnemonics.PushScope),
abc.Op(Opcode.Mnemonics.GetLocal0),
abc.Op(Opcode.Mnemonics.ConstructSuper, 0U),
abc.Op(Opcode.Mnemonics.ReturnVoid));
return newClass;
}
/// <summary>
/// Reads a SWF from the stream.
/// </summary>
/// <returns>A parsed SWF object</returns>
public SWF ReadSWF(SWFContext ctx)
{
#if DEBUG
this.MarkDumpOffset("Start of file");
#endif
this.jpegTable = null;
this.sceneNotes = new List<FrameNote>();
this.frameLabelNotes = new List<FrameNote>();
this.ReadHeader(ctx);
this.fontDict = new Dictionary<int, SWFFont>();
this.frameCursor = 1;
bool as3 = false;
if (this.version >= 8)
{
#if DEBUG
this.MarkDumpOffset("Start of file attributes tag");
#endif
this.ReadFileAttributesTag(out as3);
}
if (!as3)
{
throw new SWFModellerException(
SWFModellerError.SWFParsing,
@"AS2 and under is not supported.", ctx);
}
this.swf = new SWF(ctx, false);
this.swf.FrameWidth = this.frameSize.Width;
this.swf.FrameHeight = this.frameSize.Height;
this.swf.Fps = this.fps;
this.swf.FrameCount = this.frameCount;
this.currentTimeline = this.swf;
bool hasMore = true;
do
{
hasMore = this.ReadTag();
}
while (hasMore);
foreach (FrameNote note in this.sceneNotes)
{
this.swf.GetFrame((int)note.frame).SceneName = note.note;
}
foreach (FrameNote note in this.frameLabelNotes)
{
this.swf.GetFrame((int)note.frame).Label = note.note;
}
foreach (string className in this.LateClassResolutions.Keys)
{
swf.MapClassnameToClip(className, this.LateClassResolutions[className]);
}
return this.swf;
}
/// <summary>
/// Merges some code into this code.
/// </summary>
/// <param name="abc">The code to merge into this object. Once merged, you should
/// discard 'abc'.</param>
internal void Merge(DoABC abc, SWFContext ctx)
{
/* Because we want everything to be object references... */
AbcCode abcCode = abc.Code; /* This is a kludge to force initial parsing of the abc data, if not done already */
AbcCode thisCode = this.Code;
abc.Disassemble(); /* This ensures that the code is disassembled into mergable form */
this.Disassemble();
foreach (AS3ClassDef clazz in abc.Code.Classes)
{
AS3ClassDef classCollision = thisCode.GetClassByQName(clazz.Name.QualifiedName);
if (classCollision != null)
{
throw new SWFModellerException(
SWFModellerError.CodeMerge,
"Class name collision on " + clazz.Name,
ctx.Sentinel("ClassNameCollision"));
}
thisCode.AddClass(clazz);
}
}
private void ReadHeader(SWFContext ctx)
{
int sig = this.sdtr.ReadUI24();
if (sig != SIG_COMPRESSED && sig != SIG_UNCOMPRESSED)
{
throw new SWFModellerException(
SWFModellerError.SWFParsing,
@"Not a SWF file", ctx);
}
bool compressed = sig == SIG_COMPRESSED;
this.version = this.sdtr.ReadUI8();
if (this.version < 9)
{
throw new SWFModellerException(
SWFModellerError.SWFParsing,
@"Only SWF 9+ is supported (Found " + this.version +")", ctx);
}
#if DEBUG
this.Log("SWF version = " + this.version);
#endif
this.fileLen = this.sdtr.ReadUI32();
if (compressed)
{
this.sdtr.SwitchToDeflateMode(this.fileLen);
}
this.frameSize = this.sdtr.ReadRect();
this.fps = this.sdtr.ReadFIXED8();
this.frameCount = this.sdtr.ReadUI16();
}
public void OnLoadAbc(bool lazyInit, SWFContext ctx, string abcName, int doAbcCount, byte[] bytecode)
{
string abcDir = this.TestDir + @"\abc\";
Directory.CreateDirectory(abcDir);
string name = ctx.Name + "." + abcName + doAbcCount + abcName + ".abc";
using (FileStream fs = new FileStream(abcDir + name, FileMode.Create))
{
fs.Write(bytecode, 0, bytecode.Length);
}
StringBuilder readLog = new StringBuilder();
AbcCode code = null;
try
{
code = new AbcReader().Read(bytecode, readLog);
}
catch (Exception e)
{
readLog.Append(e.Message);
throw;
}
finally
{
using (FileStream fs = new FileStream(abcDir + name + ".readlog.txt", FileMode.Create))
{
byte[] readLogBytes = new ASCIIEncoding().GetBytes(readLog.ToString());
fs.Write(readLogBytes, 0, readLogBytes.Length);
}
}
StringBuilder abcd = new StringBuilder();
code.ToStringModelView(0, abcd);
byte[] dasmBytes = new ASCIIEncoding().GetBytes(abcd.ToString());
using (FileStream fs = new FileStream(abcDir + name + ".txt", FileMode.Create))
{
fs.Write(dasmBytes, 0, dasmBytes.Length);
}
}
/// <summary>
/// Initializes a new instance of an exception without an error message
/// </summary>
/// <param name="error">The error code.</param>
public SWFModellerException(SWFModellerError error, SWFContext ctx)
: base(error.ToString() + "; " + ctx.ToString())
{
this.Error = error;
this.Sentinel = ctx.ToString();
}
/// <summary>
/// Reads a SWF from the stream.
/// </summary>
/// <returns>A parsed SWF object</returns>
public SWF ReadSWF(SWFContext ctx)
{
#if DEBUG
this.MarkDumpOffset("Start of file");
#endif
this.jpegTable = null;
this.sceneNotes = new List <FrameNote>();
this.frameLabelNotes = new List <FrameNote>();
this.ReadHeader(ctx);
this.fontDict = new Dictionary <int, SWFFont>();
this.frameCursor = 1;
bool as3 = false;
if (this.version >= 8)
{
#if DEBUG
this.MarkDumpOffset("Start of file attributes tag");
#endif
this.ReadFileAttributesTag(out as3);
}
if (!as3)
{
throw new SWFModellerException(
SWFModellerError.SWFParsing,
@"AS2 and under is not supported.", ctx);
}
this.swf = new SWF(ctx, false);
this.swf.FrameWidth = this.frameSize.Width;
this.swf.FrameHeight = this.frameSize.Height;
this.swf.Fps = this.fps;
this.swf.FrameCount = this.frameCount;
this.currentTimeline = this.swf;
bool hasMore = true;
do
{
hasMore = this.ReadTag();
}while (hasMore);
foreach (FrameNote note in this.sceneNotes)
{
this.swf.GetFrame((int)note.frame).SceneName = note.note;
}
foreach (FrameNote note in this.frameLabelNotes)
{
this.swf.GetFrame((int)note.frame).Label = note.note;
}
foreach (string className in this.LateClassResolutions.Keys)
{
swf.MapClassnameToClip(className, this.LateClassResolutions[className]);
}
return(this.swf);
}
