DoActionTag::DoActionTag(RECORDHEADER h, std::istream& in):DisplayListTag(h)
{
LOG(LOG_CALLS,_("DoActionTag"));
int dest=in.tellg();
dest+=h.getLength();
while(1)
{
ACTIONRECORDHEADER ah(in);
if(ah.ActionCode==0)
break;
else
actions.push_back(ah.createTag(in));
if(actions.back()==NULL)
{
actions.pop_back();
LOG(LOG_ERROR,_("Not supported action opcode"));
ignore(in,dest-in.tellg());
break;
}
}
}
UnimplementedTag::UnimplementedTag(RECORDHEADER h, std::istream& in):Tag(h)
{
LOG(LOG_NOT_IMPLEMENTED,_("Unimplemented Tag ") << h.getTagType());
skip(in);
}
_NR<Tag> TagFactory::readTag()
{
RECORDHEADER h;
//Catch eofs
try
{
f >> h;
}
catch (ifstream::failure e) {
if(!f.eof()) //Only handle eof
throw e;
f.clear();
LOG(LOG_INFO,"Simulating EndTag at EOF @ " << f.tellg());
return _MR(new EndTag(h,f));
}
unsigned int expectedLen=h.getLength();
unsigned int start=f.tellg();
Tag* ret=NULL;
LOG(LOG_TRACE,_("Reading tag type: ") << h.getTagType() << _(" at byte ") << start << _(" with length ") << expectedLen << _(" bytes"));
switch(h.getTagType())
{
case 0:
LOG(LOG_INFO,_("End of parsing @ ") << f.tellg());
ret=new EndTag(h,f);
break;
case 1:
ret=new ShowFrameTag(h,f);
break;
case 2:
ret=new DefineShapeTag(h,f);
break;
// case 4:
// ret=new PlaceObjectTag(h,f);
case 6:
ret=new DefineBitsTag(h,f);
break;
case 9:
ret=new SetBackgroundColorTag(h,f);
break;
case 10:
ret=new DefineFontTag(h,f);
break;
case 11:
ret=new DefineTextTag(h,f);
break;
case 13:
ret=new DefineFontInfoTag(h,f);
break;
case 14:
ret=new DefineSoundTag(h,f);
break;
case 15:
ret=new StartSoundTag(h,f);
break;
case 18:
ret=new SoundStreamHeadTag(h,f);
break;
case 19:
ret=new SoundStreamBlockTag(h,f);
break;
case 20:
ret=new DefineBitsLosslessTag(h,f,1);
break;
case 21:
ret=new DefineBitsJPEG2Tag(h,f);
break;
case 22:
ret=new DefineShape2Tag(h,f);
break;
case 24:
ret=new ProtectTag(h,f);
break;
case 26:
ret=new PlaceObject2Tag(h,f);
break;
case 28:
ret=new RemoveObject2Tag(h,f);
break;
case 32:
ret=new DefineShape3Tag(h,f);
break;
case 33:
ret=new DefineText2Tag(h,f);
break;
case 34:
ret=new DefineButton2Tag(h,f);
break;
case 35:
ret=new DefineBitsJPEG3Tag(h,f);
break;
case 36:
ret=new DefineBitsLosslessTag(h,f,2);
break;
case 37:
ret=new DefineEditTextTag(h,f);
break;
case 39:
ret=new DefineSpriteTag(h,f);
break;
case 41:
ret=new ProductInfoTag(h,f);
break;
case 43:
ret=new FrameLabelTag(h,f);
break;
case 45:
ret=new SoundStreamHead2Tag(h,f);
break;
case 46:
ret=new DefineMorphShapeTag(h,f);
break;
case 48:
ret=new DefineFont2Tag(h,f);
break;
case 58:
ret=new EnableDebuggerTag(h,f);
break;
case 60:
ret=new DefineVideoStreamTag(h,f);
break;
case 63:
ret=new DebugIDTag(h,f);
break;
case 64:
ret=new EnableDebugger2Tag(h,f);
break;
case 65:
ret=new ScriptLimitsTag(h,f);
break;
case 69:
//FileAttributes tag is mandatory on version>=8 and must be the first tag
if(pt->version>=8)
{
if(!firstTag)
LOG(LOG_ERROR,_("FileAttributes tag not in the beginning"));
}
ret=new FileAttributesTag(h,f);
break;
case 70:
ret=new PlaceObject3Tag(h,f);
break;
case 72:
ret=new DoABCTag(h,f);
break;
case 73:
ret=new DefineFontAlignZonesTag(h,f);
break;
case 74:
ret=new CSMTextSettingsTag(h,f);
break;
case 75:
ret=new DefineFont3Tag(h,f);
break;
case 76:
ret=new SymbolClassTag(h,f);
break;
case 77:
ret=new MetadataTag(h,f);
break;
case 78:
ret=new DefineScalingGridTag(h,f);
break;
case 82:
ret=new DoABCDefineTag(h,f);
break;
case 83:
ret=new DefineShape4Tag(h,f);
break;
case 86:
ret=new DefineSceneAndFrameLabelDataTag(h,f);
break;
case 87:
ret=new DefineBinaryDataTag(h,f);
break;
case 88:
ret=new DefineFontNameTag(h,f);
break;
case 91:
ret=new DefineFont4Tag(h,f);
break;
default:
LOG(LOG_NOT_IMPLEMENTED,_("Unsupported tag type ") << h.getTagType());
ret=new UnimplementedTag(h,f);
}
//Check if this clip is the main clip and if AVM2 has been enabled by a FileAttributes tag
if(topLevel && firstTag && pt->getRootMovie()==sys)
{
sys->needsAVM2(pt->useAVM2);
if(pt->useNetwork
&& sys->securityManager->getSandboxType() == SecurityManager::LOCAL_WITH_FILE)
{
sys->securityManager->setSandboxType(SecurityManager::LOCAL_WITH_NETWORK);
LOG(LOG_INFO, _("Switched to local-with-networking sandbox by FileAttributesTag"));
}
}
firstTag=false;
unsigned int end=f.tellg();
unsigned int actualLen=end-start;
if(actualLen<expectedLen)
{
LOG(LOG_ERROR,_("Error while reading tag ") << h.getTagType() << _(". Size=") << actualLen << _(" expected: ") << expectedLen);
ignore(f,expectedLen-actualLen);
}
else if(actualLen>expectedLen)
{
LOG(LOG_ERROR,_("Error while reading tag ") << h.getTagType() << _(". Size=") << actualLen << _(" expected: ") << expectedLen);
throw ParseException("Malformed SWF file");
}
return _MNR(ret);
}
Tag* TagFactory::readTag()
{
RECORDHEADER h;
f >> h;
unsigned int expectedLen=h.getLength();
unsigned int start=f.tellg();
Tag* ret=NULL;
LOG(LOG_TRACE,_("Reading tag type: ") << h.getTagType() << _(" at byte ") << start << _(" with length ") << expectedLen << _(" bytes"));
switch(h.getTagType())
{
case 0:
LOG(LOG_TRACE, _("EndTag at position ") << f.tellg());
ret=new EndTag(h,f);
break;
case 1:
ret=new ShowFrameTag(h,f);
break;
case 2:
ret=new DefineShapeTag(h,f);
break;
// case 4:
// ret=new PlaceObjectTag(h,f);
case 6:
ret=new DefineBitsTag(h,f);
break;
case 9:
ret=new SetBackgroundColorTag(h,f);
break;
case 10:
ret=new DefineFontTag(h,f);
break;
case 11:
ret=new DefineTextTag(h,f);
break;
case 12:
ret=new DoActionTag(h,f);
break;
case 13:
ret=new DefineFontInfoTag(h,f);
break;
case 14:
ret=new DefineSoundTag(h,f);
break;
case 15:
ret=new StartSoundTag(h,f);
break;
case 18:
ret=new SoundStreamHeadTag(h,f);
break;
case 19:
ret=new SoundStreamBlockTag(h,f);
break;
case 20:
ret=new DefineBitsLosslessTag(h,f);
break;
case 21:
ret=new DefineBitsJPEG2Tag(h,f);
break;
case 22:
ret=new DefineShape2Tag(h,f);
break;
case 24:
ret=new ProtectTag(h,f);
break;
case 26:
ret=new PlaceObject2Tag(h,f);
break;
case 28:
ret=new RemoveObject2Tag(h,f);
break;
case 32:
ret=new DefineShape3Tag(h,f);
break;
case 33:
ret=new DefineText2Tag(h,f);
break;
case 34:
ret=new DefineButton2Tag(h,f);
break;
case 35:
ret=new DefineBitsJPEG3Tag(h,f);
break;
case 36:
ret=new DefineBitsLossless2Tag(h,f);
break;
case 37:
ret=new DefineEditTextTag(h,f);
break;
case 39:
ret=new DefineSpriteTag(h,f);
break;
case 41:
ret=new ProductInfoTag(h,f);
break;
case 43:
ret=new FrameLabelTag(h,f);
break;
case 45:
ret=new SoundStreamHead2Tag(h,f);
break;
case 46:
ret=new DefineMorphShapeTag(h,f);
break;
case 48:
ret=new DefineFont2Tag(h,f);
break;
case 56:
ret=new ExportAssetsTag(h,f);
break;
case 58:
ret=new EnableDebuggerTag(h,f);
break;
case 59:
ret=new DoInitActionTag(h,f);
break;
case 60:
ret=new DefineVideoStreamTag(h,f);
break;
case 63:
ret=new DebugIDTag(h,f);
break;
case 64:
ret=new EnableDebugger2Tag(h,f);
break;
case 65:
ret=new ScriptLimitsTag(h,f);
break;
case 69:
//FileAttributes tag is mandatory on version>=8 and must be the first tag
if(pt->version>=8)
{
if(!firstTag)
LOG(LOG_ERROR,_("FileAttributes tag not in the beginning"));
}
ret=new FileAttributesTag(h,f);
break;
case 70:
ret=new PlaceObject3Tag(h,f);
break;
case 73:
ret=new DefineFontAlignZonesTag(h,f);
break;
case 74:
ret=new CSMTextSettingsTag(h,f);
break;
case 75:
ret=new DefineFont3Tag(h,f);
break;
case 76:
ret=new SymbolClassTag(h,f);
break;
case 77:
ret=new MetadataTag(h,f);
break;
case 78:
ret=new DefineScalingGridTag(h,f);
break;
case 82:
ret=new DoABCTag(h,f);
break;
case 83:
ret=new DefineShape4Tag(h,f);
break;
case 86:
ret=new DefineSceneAndFrameLabelDataTag(h,f);
break;
case 87:
ret=new DefineBinaryDataTag(h,f);
break;
case 88:
ret=new DefineFontNameTag(h,f);
break;
default:
LOG(LOG_NOT_IMPLEMENTED,_("Unsupported tag type ") << h.getTagType());
ret=new UnimplementedTag(h,f);
}
//Check if this clip is the main clip and if AVM2 has been enabled by a FileAttributes tag
if(topLevel && firstTag && pt->root==sys)
sys->needsAVM2(pt->useAVM2);
firstTag=false;
unsigned int end=f.tellg();
unsigned int actualLen=end-start;
if(actualLen<expectedLen)
{
LOG(LOG_ERROR,_("Error while reading tag ") << h.getTagType() << _(". Size=") << actualLen << _(" expected: ") << expectedLen);
ignore(f,expectedLen-actualLen);
}
else if(actualLen>expectedLen)
{
LOG(LOG_ERROR,_("Error while reading tag ") << h.getTagType() << _(". Size=") << actualLen << _(" expected: ") << expectedLen);
throw ParseException("Malformed SWF file");
}
return ret;
}
Tag* TagFactory::readTag(RootMovieClip* root)
{
RECORDHEADER h;
//Catch eofs
try
{
f >> h;
}
catch (ifstream::failure& e) {
if(!f.eof()) //Only handle eof
throw;
f.clear();
LOG(LOG_INFO,"Simulating EndTag at EOF @ " << f.tellg());
return new EndTag(h,f);
}
unsigned int expectedLen=h.getLength();
unsigned int start=f.tellg();
Tag* ret=NULL;
LOG(LOG_TRACE,_("Reading tag type: ") << h.getTagType() << _(" at byte ") << start << _(" with length ") << expectedLen << _(" bytes"));
switch(h.getTagType())
{
case 0:
ret=new EndTag(h,f);
break;
case 1:
ret=new ShowFrameTag(h,f);
break;
case 2:
ret=new DefineShapeTag(h,f,root);
break;
// case 4:
// ret=new PlaceObjectTag(h,f);
case 6:
ret=new DefineBitsTag(h,f,root);
break;
case 7:
ret=new DefineButtonTag(h,f,1,root);
break;
case 8:
ret=new JPEGTablesTag(h,f);
break;
case 9:
ret=new SetBackgroundColorTag(h,f);
break;
case 10:
ret=new DefineFontTag(h,f,root);
break;
case 11:
ret=new DefineTextTag(h,f,root);
break;
case 13:
ret=new DefineFontInfoTag(h,f);
break;
case 14:
ret=new DefineSoundTag(h,f,root);
break;
case 15:
ret=new StartSoundTag(h,f);
break;
case 18:
ret=new SoundStreamHeadTag(h,f);
break;
case 19:
ret=new SoundStreamBlockTag(h,f);
break;
case 20:
ret=new DefineBitsLosslessTag(h,f,1,root);
break;
case 21:
ret=new DefineBitsJPEG2Tag(h,f,root);
break;
case 22:
ret=new DefineShape2Tag(h,f,root);
break;
case 24:
ret=new ProtectTag(h,f);
break;
case 26:
ret=new PlaceObject2Tag(h,f,root);
break;
case 28:
ret=new RemoveObject2Tag(h,f);
break;
case 32:
ret=new DefineShape3Tag(h,f,root);
break;
case 33:
ret=new DefineText2Tag(h,f,root);
break;
case 34:
ret=new DefineButtonTag(h,f,2,root);
break;
case 35:
ret=new DefineBitsJPEG3Tag(h,f,root);
break;
case 36:
ret=new DefineBitsLosslessTag(h,f,2,root);
break;
case 37:
ret=new DefineEditTextTag(h,f,root);
break;
case 39:
ret=new DefineSpriteTag(h,f,root);
break;
case 41:
ret=new ProductInfoTag(h,f);
break;
case 43:
ret=new FrameLabelTag(h,f);
break;
case 45:
ret=new SoundStreamHead2Tag(h,f);
break;
case 46:
ret=new DefineMorphShapeTag(h,f,root);
break;
case 48:
ret=new DefineFont2Tag(h,f,root);
break;
case 58:
ret=new EnableDebuggerTag(h,f);
break;
case 60:
ret=new DefineVideoStreamTag(h,f,root);
break;
case 63:
ret=new DebugIDTag(h,f);
break;
case 64:
ret=new EnableDebugger2Tag(h,f);
break;
case 65:
ret=new ScriptLimitsTag(h,f);
break;
case 69:
//FileAttributes tag is mandatory on version>=8 and must be the first tag
if(!firstTag)
LOG(LOG_ERROR,_("FileAttributes tag not in the beginning"));
ret=new FileAttributesTag(h,f);
break;
case 70:
ret=new PlaceObject3Tag(h,f,root);
break;
case 72:
ret=new DoABCTag(h,f);
break;
case 73:
ret=new DefineFontAlignZonesTag(h,f);
break;
case 74:
ret=new CSMTextSettingsTag(h,f);
break;
case 75:
ret=new DefineFont3Tag(h,f,root);
break;
case 76:
ret=new SymbolClassTag(h,f);
break;
case 77:
ret=new MetadataTag(h,f);
break;
case 78:
ret=new DefineScalingGridTag(h,f);
break;
case 82:
ret=new DoABCDefineTag(h,f);
break;
case 83:
ret=new DefineShape4Tag(h,f,root);
break;
case 84:
ret=new DefineMorphShape2Tag(h,f,root);
break;
case 86:
ret=new DefineSceneAndFrameLabelDataTag(h,f);
break;
case 87:
ret=new DefineBinaryDataTag(h,f,root);
break;
case 88:
ret=new DefineFontNameTag(h,f);
break;
case 91:
ret=new DefineFont4Tag(h,f,root);
break;
default:
LOG(LOG_NOT_IMPLEMENTED,_("Unsupported tag type ") << h.getTagType());
ret=new UnimplementedTag(h,f);
}
firstTag=false;
unsigned int end=f.tellg();
unsigned int actualLen=end-start;
if(actualLen<expectedLen)
{
LOG(LOG_ERROR,_("Error while reading tag ") << h.getTagType() << _(". Size=") << actualLen << _(" expected: ") << expectedLen);
ignore(f,expectedLen-actualLen);
}
else if(actualLen>expectedLen)
{
LOG(LOG_ERROR,_("Error while reading tag ") << h.getTagType() << _(". Size=") << actualLen << _(" expected: ") << expectedLen);
throw ParseException("Malformed SWF file");
}
// don't set loaded bytes if we are at the end of the file (this is done in RootMovieClip::initFrame() )
if (root->loaderInfo->getBytesTotal() != f.tellg())
root->loaderInfo->setBytesLoaded(f.tellg());
return ret;
}
