/// <summary>
///
/// </summary>
/// <param name="sourceStream"></param>
protected override void Parse(BinaryReader sourceStream)
{
_DebugType = AVM2.Static.VariableLengthInteger.ReadU8(sourceStream);
_Index = AVM2.Static.VariableLengthInteger.ReadU30(sourceStream);
_Reg = AVM2.Static.VariableLengthInteger.ReadU8(sourceStream);
_Extra = AVM2.Static.VariableLengthInteger.ReadU30(sourceStream);
if (0 != _Extra)
{
// Of course, Adobe Flash CS4 makes use of this field
AbcFormatException abcfe = new AbcFormatException("Extra (reserved) field in Debug instruction used: 0x" + _Extra.ToString("X"));
Log.Warn(this, abcfe);
//throw abcfe;
//Log.Warn(this, "Extra (reserved) field in Debug instruction used: 0x" + _Extra.ToString("X"));
}
}
/// <summary>
///
/// </summary>
/// <param name="source"></param>
public void Parse( Stream source )
{
_Ns = new List<uint>();
UInt32 setMemberCount = VariableLengthInteger.ReadU30( source );
for ( uint i = 0; i < setMemberCount; i++ )
{
UInt32 entry = VariableLengthInteger.ReadU30( source );
if ( 0 == entry )
{
AbcFormatException fe = new AbcFormatException( "Namespace set entry is 0" );
Log.Error(this, fe );
throw fe;
}
_Ns.Add( entry );
}
}
/// <summary>
///
/// </summary>
/// <param name="source"></param>
public void Parse(Stream source)
{
// UNTESTED
_Name = VariableLengthInteger.ReadU30(source);
if (0 == _Name)
{
AbcFormatException fe = new AbcFormatException("Metadata_info with Name == 0");
Log.Error(this, fe);
throw fe;
}
UInt32 itemCount = VariableLengthInteger.ReadU30(source);
_ItemInfo = new List<Metadata_item_info>();
for (uint i = 0; i < itemCount; i++)
{
Metadata_item_info mdii = new Metadata_item_info();
mdii.Parse(source);
_ItemInfo.Add(mdii);
}
}
/// <summary>
///
/// </summary>
/// <param name="source"></param>
public void Parse( Stream source )
{
//Log.Debug(this, "Offset : " + source.Position);
_Name = VariableLengthInteger.ReadU30( source );
_Supername = VariableLengthInteger.ReadU30( source );
byte flags = VariableLengthInteger.ReadU8( source );
_FlagClassSealed = ( ( flags & 0x01 ) != 0 );
_FlagClassFinal = ( ( flags & 0x02 ) != 0 );
_FlagClassInterface = ( ( flags & 0x04 ) != 0 );
_FlagClassProtectedNs = ( ( flags & 0x08 ) != 0 );
if ( ( flags & 0xF0 ) != 0 )
{
AbcFormatException fe = new AbcFormatException( "Reserved flags used in Instance_Info" );
Log.Error(this, fe );
throw fe;
}
if ( _FlagClassProtectedNs )
{
_ProtectedNs = VariableLengthInteger.ReadU30( source );
}
UInt32 interfaceCount = VariableLengthInteger.ReadU30( source );
_Interface = new List<UInt32>( (int)interfaceCount );
for ( uint i = 0; i < interfaceCount; i++ )
{
UInt32 interf = VariableLengthInteger.ReadU30( source );
if ( 0 == interf )
{
AbcFormatException fe = new AbcFormatException( "Instance_info interface index is 0" );
Log.Error(this, fe );
throw fe;
}
_Interface.Add( interf );
}
_Iinit = VariableLengthInteger.ReadU30( source );
UInt32 traitCount = VariableLengthInteger.ReadU30( source );
_Trait = new List<Traits_info>( ( int )traitCount );
for ( uint i = 0; i < traitCount; i++ )
{
Traits_info ti = new Traits_info();
ti.Parse( source );
_Trait.Add( ti );
}
}
/// <summary>
/// Parses this object out of a stream
/// </summary>
/// <param name="source">The source stream.</param>
public void Parse(Stream source)
{
long startPos = source.Position;
_MinorVersion = VariableLengthInteger.ReadU16(source);
_MajorVersion = VariableLengthInteger.ReadU16(source);
String s1 = String.Format("ABC Version {0:d}.{1:d}", _MajorVersion, _MinorVersion);
Log.Debug(this, s1);
if (_MajorVersion != 46)
{
AbcFormatException fe = new AbcFormatException("ABC major version mismatch: " + _MajorVersion.ToString("d") + " (expected: 46)");
Log.Error(this, fe);
throw fe;
}
if (_MinorVersion != 16)
{
String s2 = String.Format("ABC minor version {d:0} is not equal to expected version 16", _MinorVersion);
Log.Warn(this, s2);
}
// (1) ConstantPool
String s3 = String.Format("0x{0:X08}: ConstantPool", source.Position - startPos);
Log.Debug(this, s3);
_ConstantPool = new Cpool_info();
_ConstantPool.Parse(source);
Log.Debug(this, _ConstantPool.ToString(this));
// (2) Method_Info
String s4 = String.Format("0x{0:X08}: Method_info", source.Position - startPos);
Log.Debug(this, s4);
UInt32 methodCount = VariableLengthInteger.ReadU30(source);
_Method = new List<Method_info>();
for (uint i = 0; i < methodCount; i++)
{
Method_info mi = new Method_info();
mi.Parse(source);
_Method.Add(mi);
}
String s5 = String.Format("{0:d} Methods", _Method.Count);
Log.Debug(this, s5);
// (3) Metadata
String s6 = String.Format("0x{0:X08}: Metadata", source.Position - startPos);
// //Log.Debug(this, s6);
UInt32 metadataInfoCount = VariableLengthInteger.ReadU30(source);
_Metadata = new List<Metadata_info>();
for (uint i = 0; i < metadataInfoCount; i++)
{
Metadata_info mdi = new Metadata_info();
mdi.Parse(source);
_Metadata.Add(mdi);
}
String s7 = String.Format("{0:d} Metadata entries", _Metadata.Count);
Log.Debug(this, s7);
// (4) Instance_info
String s8 = String.Format("0x{0:X08}: Instance_info", source.Position - startPos);
Log.Debug(this, s8);
UInt32 classCount = VariableLengthInteger.ReadU30(source);
_Instance = new List<Instance_info>((int)classCount);
for (uint i = 0; i < classCount; i++)
{
Instance_info ii = new Instance_info();
ii.Parse(source);
_Instance.Add(ii);
}
String s9 = String.Format("{0:d} Instances", _Instance.Count);
Log.Debug(this, s9);
// (5) Class_info
String s10 = String.Format("0x{0:X08}: Class_info", source.Position - startPos);
Log.Debug(this, s10);
_Class = new List<Class_info>((int)classCount);
for (uint i = 0; i < classCount; i++)
{
Class_info ci = new Class_info();
ci.Parse(source);
_Class.Add(ci);
}
String s11 = String.Format("{0:d} Classes", _Class.Count);
Log.Debug(this, s11);
// (6) Script_info
String s12 = String.Format("0x{0:X08}: Script_info", source.Position - startPos);
Log.Debug(this, s12);
UInt32 scriptCount = VariableLengthInteger.ReadU30(source);
_Script = new List<Script_info>((int)scriptCount);
for (uint i = 0; i < scriptCount; i++)
{
Script_info si = new Script_info();
si.Parse(source);
_Script.Add(si);
}
String s13 = String.Format("{0:d} Scripts", _Script.Count);
Log.Debug(this, s13);
// (7) Method_body_info
String s14 = String.Format("0x{0:X08}: MethodBody_info", source.Position - startPos);
Log.Debug(this, s14);
UInt32 methodBodyCount = VariableLengthInteger.ReadU30(source);
if (methodBodyCount > methodCount)
{
String s15 = String.Format("More method bodies ({0:d}) than methods ({1:d})!", methodBodyCount, methodCount);
Log.Warn(this, s15);
}
_MethodBody = new Dictionary<UInt32, Method_body_info>((int)methodBodyCount);
for (uint i = 0; i < methodBodyCount; i++)
{
Method_body_info mbi = new Method_body_info();
mbi.Parse(source);
_MethodBody.Add(mbi.Method, mbi);
}
String s16 = String.Format("{0:d} Method bodies", _MethodBody.Count);
Log.Debug(this, s16);
if (source.Position != source.Length)
{
AbcFormatException fe = new AbcFormatException(
"Trailing garbage after reading ABC file: at offset 0x" +
source.Position.ToString("X08") + " of 0x" + source.Length.ToString("X08"));
Log.Error(this, fe);
throw fe;
}
String s17 = String.Format("0x{0:X08}: End", source.Position - startPos);
Log.Debug(this, s17);
Log.Debug(this, "Done reading ABC");
}
/// <summary>
///
/// </summary>
/// <param name="kindId"></param>
public AbstractMultinameEntry( byte kindId )
{
if ( !Enum.IsDefined( typeof( MultinameType ), kindId ) )
{
AbcFormatException fe = new AbcFormatException( "Invalid Multiname entry kind " + kindId.ToString( "X2" ) );
Log.Error(this, fe );
throw ( fe );
}
_Type = ( MultinameType )kindId;
}
/// <summary>
///
/// </summary>
/// <param name="source"></param>
/// <returns></returns>
private AbstractMultinameEntry MultinameEntryFactory(Stream source)
{
BinaryReader br = new BinaryReader(source);
byte kind = br.ReadByte();
if (!Enum.IsDefined(typeof(MultinameType), kind))
{
AbcFormatException fe = new AbcFormatException("Invalid multiname type 0x" + kind.ToString("X2"));
Log.Error(this, fe);
throw fe;
}
AbstractMultinameEntry product = null;
switch ((MultinameType)kind)
{
case MultinameType.QName:
case MultinameType.QNameA:
product = new MultinameQname(kind);
product.Namespace = VariableLengthInteger.ReadU30(source);
product.NameIndex = VariableLengthInteger.ReadU30(source);
break;
case MultinameType.RTQName:
case MultinameType.RTQNameA:
product = new MultinameRTQname(kind);
product.NameIndex = VariableLengthInteger.ReadU30(source);
break;
case MultinameType.RTQNameL:
case MultinameType.RTQNameLA:
product = new MultinameRTQnameL(kind);
break;
case MultinameType.Multiname:
case MultinameType.MultinameA:
product = new MultinameMultiname(kind);
product.NameIndex = VariableLengthInteger.ReadU30(source);
product.NsSet = VariableLengthInteger.ReadU30(source);
break;
case MultinameType.MultinameL:
case MultinameType.MultinameLA:
product = new MultinameMultinameL(kind);
product.NsSet = VariableLengthInteger.ReadU30(source);
break;
case MultinameType.Multiname0x1D:
product = new Multiname0x1D(kind);
((Multiname0x1D)product).Parse(source);
break;
default:
Exception e = new Exception("Internal error, Multiname type " + kind.ToString("X2") + " reached end of factory!!");
Log.Error(this, e);
throw e;
}
return product;
}
/// <summary>
/// Parses this object out of a stream
/// </summary>
/// <param name="source">The input stream</param>
public void Parse(Stream source)
{
// "The “0” entry of the integer array is not present in the abcFile; it
// represents the zero value for the purposes of providing values for optional
// parameters and field initialization."
//
UInt32 integerCount = VariableLengthInteger.ReadU30(source);
// Note: integerCount == 0 seems to be valid
Integers = new List<Int32>((int)integerCount);
Integers.Add((int)0);
for (uint i = 1; i < integerCount; i++)
{
Integers.Add(VariableLengthInteger.ReadS32(source));
}
//
// "The “0” entry of the uinteger array is not present in the abcFile; it
// represents the zero value for the purposes of providing values for optional
// parameters and field initialization."
//
UInt32 uIntegerCount = VariableLengthInteger.ReadU30(source);
// Note: uIntegerCount == 0 seems to be valid
UIntegers = new List<UInt32>((int)uIntegerCount);
UIntegers.Add((UInt32)0);
for (uint i = 1; i < uIntegerCount; i++)
{
UIntegers.Add(VariableLengthInteger.ReadU32(source));
}
//
// Double
//
UInt32 doubleCount = VariableLengthInteger.ReadU30(source);
//Note: doubleCount == 0 seems to be valid too
Doubles = new List<double>();
Doubles.Add(Double.NaN);
BinaryReader br = new BinaryReader(source);
for (uint i = 1; i < doubleCount; i++)
{
Doubles.Add(br.ReadDouble());
}
//
// String pool
//
UInt32 stringCount = VariableLengthInteger.ReadU30(source);
//
// "The value of string_count is the number of entries in the string array, plus one."
//
if (1 > stringCount)
{
AbcFormatException fe = new AbcFormatException("Constant pool string count < 1");
Log.Error(this, fe);
throw fe;
}
stringCount--;
Strings = new List<string>();
// Money quote: "Entry “0” of the string array is not present in the abcFile; it
// represents the empty string in most contexts but is also used to represent the
// “any” name in others (known as “*” in ActionScript)."
Strings.Add("");
// WARNING: Adobe Flash CS4 often includes an empty string at _String[1] (the first
// actually present in the file), _despite_ the fact that _String[0] is
// defined to be there for that purpose.
for (uint i = 0; i < stringCount; i++)
{
Strings.Add(StringInfo.Read(source));
}
//
// Namespaces
//
UInt32 namespaceCount = VariableLengthInteger.ReadU30(source);
//
// "The value of namespace_count is the number of entries in
// the namespace array, plus one."
//
if (1 > namespaceCount)
{
/*
AbcFormatException fe = new AbcFormatException( "Name space count < 1" );
Log.Error(this, fe );
throw fe;
*/
Log.Warn(this, "Namespace count < 1");
namespaceCount = 1;
}
namespaceCount--;
Namespaces = new List<Namespace_info>();
Namespaces.Add(new Namespace_info());
for (uint i = 0; i < namespaceCount; i++)
{
Namespace_info nsi = new Namespace_info();
nsi.Parse(source);
Namespaces.Add(nsi);
}
//
// NS Set
//
UInt32 nsSetCount = VariableLengthInteger.ReadU30(source);
// another "plus one" case
if (1 > nsSetCount)
{
/*
AbcFormatException fe = new AbcFormatException( "Namespace set count < 1" );
Log.Error(this, fe );
throw fe;
*/
Log.Warn(this, "NsSetCount < 1");
nsSetCount = 1;
}
nsSetCount--;
NsSets = new List<Ns_set_info>();
NsSets.Add(new Ns_set_info()); // dummy entry for array[0] not in file
for (uint i = 0; i < nsSetCount; i++)
{
Ns_set_info nssi = new Ns_set_info();
nssi.Parse(source);
NsSets.Add(nssi);
}
//
// Multinames
//
UInt32 multinameCount = VariableLengthInteger.ReadU30(source);
// another "plus one" case, doh!
if (1 > multinameCount)
{
/*
AbcFormatException fe = new AbcFormatException( "Multiname count < 1" );
Log.Error(this, fe );
throw fe;
*/
Log.Warn(this, "Multiname count < 1");
multinameCount = 1;
}
multinameCount--;
Multinames = new List<AbstractMultinameEntry>();
Multinames.Add(new MultinameRTQnameL((byte)MultinameType.RTQNameL)); // dummy entry for array[0] not in file
for (uint i = 0; i < multinameCount; i++)
{
AbstractMultinameEntry entry = MultinameEntryFactory(source);
Multinames.Add(entry);
}
}
/// <summary>
///
/// </summary>
/// <param name="source"></param>
public void Parse(Stream source)
{
Log.Debug(this, "Offset : " + source.Position);
_Value = VariableLengthInteger.ReadU30(source);
byte type = VariableLengthInteger.ReadU8(source);
if (!Enum.IsDefined(typeof(OptionType), type))
{
AbcFormatException fe = new AbcFormatException("Option_detail entry type 0x" + type.ToString("X02") + " is invalid");
Log.Error(this, fe);
throw fe;
}
_Type = (OptionType)type;
}
/// <summary>
///
/// </summary>
/// <param name="source"></param>
/// <returns></returns>
private TraitsData_Slot ParseSlot(Stream source)
{
TraitsData_Slot s = new TraitsData_Slot();
s.SlotID = VariableLengthInteger.ReadU30(source);
s.TypeName = VariableLengthInteger.ReadU30(source);
s.Vindex = VariableLengthInteger.ReadU30(source);
if (0 != s.Vindex)
{
byte kind = VariableLengthInteger.ReadU8(source);
if (!Enum.IsDefined(typeof(OptionType), kind))
{
AbcFormatException fe = new AbcFormatException("TraitsData Slot invalid constant type 0x" + kind.ToString("X02"));
Log.Error(this, fe);
throw fe;
}
s.Vkind = (OptionType)kind;
}
else
{
s.Vkind = OptionType.TotallyInvalid;
}
return s;
}
/// <summary>
///
/// </summary>
/// <param name="source"></param>
public void Parse(Stream source)
{
// UNTESTED
Name = VariableLengthInteger.ReadU30(source);
byte kind = VariableLengthInteger.ReadU8(source);
byte kindType = (byte)(kind & 0x0F);
byte kindAttr = (byte)((kind & 0xF0) >> 4);
if (!Enum.IsDefined(typeof(TraitType), kindType))
{
AbcFormatException fe = new AbcFormatException("Invalid Traits_info kind " + kindType.ToString("d"));
Log.Error(this, fe);
throw fe;
}
Type = (TraitType)kindType;
//
// "Any other combination of attribute with kind is ignored."
// - so we test for it.
//
AttribFinal = (kindAttr & 0x01) != 0 ? true : false;
AttribOverride = (kindAttr & 0x02) != 0 ? true : false;
AttribMetadata = (kindAttr & 0x04) != 0 ? true : false;
if (AttribFinal && (!((Type == TraitType.Trait_Getter) || (Type == TraitType.Trait_Setter) || (Type == TraitType.Trait_Method))))
{
AbcFormatException fe = new AbcFormatException("ATTR_Final with trait type " + Enum.GetName(typeof(TraitType), Type));
Log.Error(this, fe);
throw fe;
}
if (AttribOverride && (!((Type == TraitType.Trait_Getter) || (Type == TraitType.Trait_Setter) || (Type == TraitType.Trait_Method))))
{
AbcFormatException fe = new AbcFormatException("ATTR_Override with trait type " + Enum.GetName(typeof(TraitType), Type));
Log.Error(this, fe);
throw fe;
}
//
// Just to point out how this works: only one of them
// is going to be valid
//
switch (Type)
{
case TraitType.Trait_Const:
case TraitType.Trait_Slot:
_Data_Slot = ParseSlot(source);
break;
case TraitType.Trait_Class:
_Data_Class = ParseClass(source);
break;
case TraitType.Trait_Function:
_Data_Function = ParseFunction(source);
break;
case TraitType.Trait_Method:
case TraitType.Trait_Getter:
case TraitType.Trait_Setter:
_Data_Method = ParseMethod(source);
break;
default:
Exception e = new Exception("Internal error: invalid _Type 0x" + Type.ToString("X02") + " reached end of switch");
Log.Error(this, e);
throw e;
}
if (AttribMetadata)
{
UInt32 metadataCount = VariableLengthInteger.ReadU30(source);
_Metadata = new List<UInt32>((int)metadataCount);
for (uint i = 0; i < metadataCount; i++)
{
UInt32 metav = VariableLengthInteger.ReadU30(source);
_Metadata.Add(metav);
}
}
}
/// <summary>
///
/// </summary>
/// <param name="source"></param>
public void Parse(Stream source)
{
BinaryReader br = new BinaryReader(source);
byte kindId = br.ReadByte();
if (!Enum.IsDefined(typeof(NamespaceKind), kindId))
{
AbcFormatException fe = new AbcFormatException("Namespace kind 0x" + kindId.ToString("X2") + " is undefined");
Log.Error(this, fe);
throw fe;
}
_Kind = (NamespaceKind)kindId;
_Name = VariableLengthInteger.ReadU30(source);
}
/// <summary>
///
/// </summary>
/// <param name="source"></param>
/// <returns></returns>
private static UInt32 Read32( Stream source )
{
UInt32 value = 0;
bool moreToFollow = false;
int shift = 0;
long pos = source.Position;
UInt32 addition = 0;
byte b = 0;
byte[] buf = new byte[ 2 ];
do
{
source.Read( buf, 0, 1 );
b = buf[ 0 ];
moreToFollow = ( 0 != ( b & 0x80 ) );
addition = unchecked( ( UInt32 )( ( b & 0x7F ) << shift ) );
value = value | addition ;
shift = shift + 7;
}
while ( ( ( source.Position - pos ) < 5 ) && moreToFollow );
if ( moreToFollow )
{
AbcFormatException fe = new AbcFormatException( "Variable length integer indicating > 5 bytes (stream pos: 0x"
+ pos.ToString( "X08" ) + ", value=0x" + value.ToString( "X08" ) +
", last byte=0x" + b.ToString( "X02" ) + ")" );
Log.Error(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType, fe);
throw fe;
}
if ( ( ( source.Position - pos ) == 5 ) && ( ( b & 0xF0 ) != 0 ) )
{
AbcFormatException fe = new AbcFormatException( "Overlong variable length integer detected! (stream pos: 0x"
+ pos.ToString( "X08" ) + ", value=0x" + value.ToString( "X08" ) +
", last byte=0x" + b.ToString( "X02" ) + ")" );
Log.Error(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType, fe);
throw fe;
}
return value;
}
/// <summary>
///
/// </summary>
/// <param name="source"></param>
public void Parse(Stream source)
{
Log.Debug(this, "Offset : " + source.Position);
UInt32 paramCount = VariableLengthInteger.ReadU30(source);
ReturnType = VariableLengthInteger.ReadU30(source);
ParamType = new List<UInt32>();
for (uint i = 0; i < paramCount; i++)
{
ParamType.Add(VariableLengthInteger.ReadU30(source));
}
Name = VariableLengthInteger.ReadU30(source);
byte flags = VariableLengthInteger.ReadU8(source);
FlagNeedArguments = ((flags & 0x01) != 0);
FlagActivation = ((flags & 0x02) != 0);
FlagNeedRest = ((flags & 0x04) != 0);
FlagHasOptional = ((flags & 0x08) != 0);
FlagSetDxns = ((flags & 0x40) != 0);
FlagHasParamNames = ((flags & 0x80) != 0);
if ((flags & 0x30) != 0)
{
AbcFormatException fe = new AbcFormatException("Reserved flags used in Method_info");
Log.Error(this, fe);
throw fe;
}
if (FlagHasOptional)
{
UInt32 optionCount = VariableLengthInteger.ReadU30(source);
if (optionCount > paramCount)
{
AbcFormatException fe = new AbcFormatException("optionCount (" + optionCount.ToString("d") + ") > paramCount (" + paramCount.ToString("d") + ") in Method_info");
Log.Error(this, fe);
throw fe;
}
Option = new List<Option_detail>();
for (uint i = 0; i < optionCount; i++)
{
Option_detail od = new Option_detail();
od.Parse(source);
Option.Add(od);
}
}
if (FlagHasParamNames)
{
ParamNames = new List<UInt32>();
for (uint i = 0; i < paramCount; i++)
{
ParamNames.Add(VariableLengthInteger.ReadU30(source));
}
}
if (FlagNeedRest && FlagNeedArguments)
{
AbcFormatException fe = new AbcFormatException("NeedRest and NeedArguments both set");
Log.Error(this, fe);
throw fe;
}
}
