/// <summary>
///
/// </summary>
/// <param name="input"></param>
/// <returns></returns>
public bool Parse( Stream input )
{
AVM1InstructionSequence bytecode;
_ParsingFailures = false;
_ClipEventFlags = new ClipEventFlags( this.Version );
_ClipEventFlags.Parse( input );
BinaryReader br = new BinaryReader( input );
_length = br.ReadUInt32();
_codeSize = _length;
if ( _ClipEventFlags.ClipEventKeyPress )
{
if ( 1 > _length )
{
throw new SwfFormatException( "ClipActionRecord length=0 but KeyCode indicated by ClipEventKeyPress" );
}
_KeyCode = br.ReadByte();
_codeSize--;
}
long before = br.BaseStream.Position;
try
{
bytecode = Helper.SwfCodeReader.GetCode( _codeSize, br, this.Version );
if ( br.BaseStream.Position != ( before + _codeSize ) )
{
throw new SwfFormatException( "ClipActionRecord code reader consumed more than length indicated (" +
( ( uint )( br.BaseStream.Position - before ) ).ToString() + " consumed, " +
_codeSize + " length)" );
}
}
catch ( AVM1ExceptionByteCodeFormat ave )
{
Log.Error(this, ave );
_ParsingFailures = true;
if (SwfFile.Configuration.AVM1DeleteInvalidBytecode)
{
bytecode = new AVM1InstructionSequence();
}
else
{
SwfFormatException swfe = new SwfFormatException( "ClipActionRecord parsing error", ave );
throw swfe;
}
}
finally
{
//
// make sure that the input stream is at the right position
// it would have if code reading would have been successful
//
long diff = ( before + _codeSize ) - br.BaseStream.Position;
if ( 0 != diff )
br.BaseStream.Seek( diff, SeekOrigin.Current );
}
_Code = new AVM1Code( bytecode );
return _ParsingFailures;
}
/// <summary>
///
/// </summary>
/// <param name="input"></param>
/// <returns></returns>
public bool Parse( Stream input )
{
BinaryReader2 br = new BinaryReader2( input );
bool parsingSuccess = true;
UInt16 uselessButFiddelingWithBitsThanksAdobe = br.ReadUInt16();
if ( 0 != uselessButFiddelingWithBitsThanksAdobe )
{
SwfFormatException sfe = new SwfFormatException( "Reserved 16Bit Field in CLIPACTION used" );
Log.Error(this, sfe );
throw sfe;
}
_ClipEventFlags = new ClipEventFlags( this.Version );
_ClipEventFlags.Parse( input );
_ClipActionRecords = new List<ClipActionRecord>();
//
// The ClipActionEndFlag is Version dependent!
//
while ( 0 != ( this.Version <= 5 ? br.PeekUInt16() : br.PeekUInt32() ) )
{
ClipActionRecord record = new ClipActionRecord( this.Version );
bool recordParsingResult = record.Parse( input );
_ClipActionRecords.Add( record );
parsingSuccess = recordParsingResult & parsingSuccess;
}
//
// Get the EndRecord (Version dependent) and ignore
//
UInt32 endRecord = this.Version <= 5 ? br.ReadUInt16() : br.ReadUInt32();
if ( 0 != endRecord )
{
SwfFormatException sfe = new SwfFormatException( "endRecord is not 0x00/0x0000" );
Log.Error(this, sfe );
throw sfe;
}
//Log.Debug(this, _ClipActionRecords.Count + " ClipActionRecords added" );
return parsingSuccess;
}