public List <BlendValueCapsule> DereferenceAll(IBlendType type)
{
if (!CanDereference(type))
{
return(null);
}
var result = new List <BlendValueCapsule>();
try
{
int offset = (int)m_address;
IBlendType realType;
using (var reader = new BinaryReader(m_mapper.GetStreamFromAddress(m_address, out realType)))
{
type = realType != null ? realType : type; // if the given type is not equals to the real stored type, we belieave the real stored type.
result.Capacity = (int)reader.BaseStream.Length / type.SizeOf();
var context = new ReadValueContext()
{
reader = reader, mapper = m_mapper
};
while (reader.BaseStream.Position < reader.BaseStream.Length)
{
var val = type.ReadValue(context);
result.Add(val);
}
}
}
catch (Exception e)
{
throw new BlenderException("Failed to dereference {0} as {1}", AddressString, type.Name);
}
return(result);
}
public BlendValueCapsule DereferenceOne(IBlendType type)
{
if (!CanDereference(type))
{
return(null);
}
BlendValueCapsule result = null;
try
{
int offset = (int)m_address;
IBlendType realType;
using (var reader = new BinaryReader(m_mapper.GetStreamFromAddress(m_address, out realType)))
{
var context = new ReadValueContext()
{
reader = reader, mapper = m_mapper
};
result = type.ReadValue(context);
}
}
catch (Exception e)
{
throw new BlenderException("Failed to dereference {0} as {1}", AddressString, type.Name);
}
return(result);
}
/// <summary>
/// Read value corresponded this type from binary
/// </summary>
/// <param name="context">variable for making a value</param>
/// <returns>value</returns>
/// <seealso cref="IBlendType.ReadValue"/>
public BlendValueCapsule ReadValue(ReadValueContext context)
{
object obj = null;
switch (m_type)
{
case BaseTypes.Char:
obj = (char)context.reader.ReadByte();
break;
case BaseTypes.Short:
obj = (short)context.reader.ReadInt16();
break;
case BaseTypes.Int:
obj = (int)context.reader.ReadInt32();
break;
case BaseTypes.Float:
obj = (float)context.reader.ReadSingle();
break;
default:
Debug.Assert(false, "unsupported type " + m_toStringTable[(int)m_type]);
break;
}
return(new BlendValueCapsule(this, obj));
}
private static List <BlockHeaderEntity> _CreateEntityList(ReadValueContext context, BlendTypeRepository repository)
{
var result = new List <BlockHeaderEntity>();
BlendStructures.GlobalHeader.ReadValue(context);
while (true)
{
var blockEntity = BlockHeaderEntity.ReadValue(context);
switch (blockEntity.Code)
{
case "DNA1":
// skip
result.Add(blockEntity);
context.reader.ReadBytes(blockEntity.Size);
break;
case "ENDB":
// end of file
result.Add(blockEntity);
return(result);
case "REND": // RenderInfo
case "TEST": // Preview Image
// skip
result.Add(blockEntity);
context.reader.ReadBytes(blockEntity.Size);
break;
default:
{
var type = repository.Find(blockEntity.SdnaIndex);
// register address mapping
int sdnaSize = blockEntity.Count * type.SizeOf();
context.mapper.AddEntry(blockEntity.OldAddress.Address, (int)context.reader.BaseStream.Position, blockEntity.Size, blockEntity.SdnaIndex, type);
if (blockEntity.Count == 1 && blockEntity.SdnaIndex == 0 && blockEntity.Size != type.SizeOf())
{
// Error? skip
result.Add(blockEntity);
context.reader.ReadBytes(blockEntity.Size);
}
else
{
Debug.Assert((type.SizeOf() * blockEntity.Count) == blockEntity.Size, "structure size unmatched");
for (int i = 0; i < blockEntity.Count; ++i)
{
var value = type.ReadValue(context);
blockEntity.Children.Add(new BlendEntityBase(value.Type.Name, value));
}
result.Add(blockEntity);
}
}
break;
}
}
}
/// <summary>
/// Read value corresponded this type from binary
/// </summary>
/// <param name="context">variable for making a value</param>
/// <returns>value</returns>
/// <seealso cref="IBlendType.ReadValue"/>
public BlendValueCapsule ReadValue(ReadValueContext context)
{
var rawValue = new _RawValue();
foreach (var decl in m_decls)
{
var value = decl.Type.ReadValue(context);
rawValue.Add(decl.Name, value);
}
return(new _BlendValueCapsule(this, rawValue));
}
/// <summary>
/// Read value corresponded this type from binary
/// </summary>
/// <param name="context">variable for making a value</param>
/// <returns>value</returns>
/// <seealso cref="IBlendType.ReadValue"/>
public BlendValueCapsule ReadValue(ReadValueContext context)
{
var sb = new StringBuilder("0x");
for (int byteIndex = 0; byteIndex < m_size; ++byteIndex)
{
byte b = context.reader.ReadByte();
sb.Append(b.ToString("x2"));
}
return(new BlendValueCapsule(this, sb.ToString()));
}
public List <BlockHeaderEntity> FromMemory(Stream stream)
{
var reader = new BinaryReader(stream);
var mapper = new BlendAddressMapper(BinaryUtil.ReadBytesFromStream(stream));
var context = new ReadValueContext()
{
reader = reader, mapper = mapper
};
var declList = _ReadDna1Block(context);
//var sortedDeclList = _SortByTypeDependency(declList);
// before create member type, register a parent type
foreach (var decl in declList)
{
var parentType = BlendStructureType.CreateImperfect(decl.name, decl.sdnaIndex);
m_repository.Add(parentType);
}
// build member decls and set to parent
foreach (var decl in declList)
{
var parentType = (BlendStructureType)m_repository.Find(decl.name);
int fieldCount = decl.fieldNames.Length;
var memberDecls = new BlendStructureType.MemberDecl[fieldCount];
for (int fieldIndex = 0; fieldIndex < fieldCount; ++fieldIndex)
{
string type = decl.fieldTypes[fieldIndex];
string name = decl.fieldNames[fieldIndex];
int tLen = decl.fieldLengths[fieldIndex];
var typeObj = m_repository.Find(type);
if (typeObj == null)
{
typeObj = new UnknownBlendType(type + " " + "name", tLen);
}
memberDecls[fieldIndex] = _ParseType(typeObj, name, tLen);
}
// set member decls
parentType.SetMemberDecls(memberDecls);
}
stream.Seek(0, SeekOrigin.Begin);
return(_CreateEntityList(context, m_repository));
}
/// <summary>
/// Read value corresponded this type from binary
/// </summary>
/// <param name="context">variable for making a value</param>
/// <returns>value</returns>
/// <seealso cref="IBlendType.ReadValue"/>
public BlendValueCapsule ReadValue(ReadValueContext context)
{
object obj = null;
if (GetPointerSizeOf() == 4)
{
// 32bit
obj = new BlendAddress(context.reader.ReadUInt32(), context.mapper);
}
else
{
// 64bit
obj = new BlendAddress(context.reader.ReadUInt64(), context.mapper);
}
return(new BlendValueCapsule(this, obj));
}
/// <summary>
/// Read value corresponded this type from binary
/// </summary>
/// <param name="context">variable for making a value</param>
/// <returns>value</returns>
/// <seealso cref="IBlendType.ReadValue"/>
public virtual BlendValueCapsule ReadValue(ReadValueContext context)
{
object obj = null;
switch (ArrayDimension)
{
case 1:
{
var objs = new BlendValueCapsule[m_dimCountArray[0]];
for (int i = 0; i < m_dimCountArray[0]; ++i)
{
objs[i] = m_baseType.ReadValue(context);
}
obj = objs;
}
break;
case 2:
{
var objs = new object[m_dimCountArray[0]];
for (int i = 0; i < m_dimCountArray[0]; ++i)
{
var tmp = new BlendValueCapsule[m_dimCountArray[1]];
for (int j = 0; j < m_dimCountArray[1]; ++j)
{
tmp[j] = m_baseType.ReadValue(context);
}
objs[i] = tmp;
}
obj = objs;
}
break;
}
return(new _BlendValueCapsule(this, obj));
}
private static List <_StructureDecl> _ReadDna1Block(ReadValueContext context)
{
var declList = new List <_StructureDecl>();
var header = BlendStructures.GlobalHeader.ReadValue(context);
if (header.GetMember("pointer_size").GetRawValue <char>() == '_')
{
throw new BlenderException("32bit pointer-size is unsupported");
}
if (header.GetMember("endianness").GetRawValue <char>() == 'V')
{
throw new BlenderException("big endian is unsupported");
}
while (true)
{
var fileBlock = BlendStructures.FileBlockHeader.ReadValue(context);
var code = fileBlock.GetMember("code").GetAllValueAsString();
int size = fileBlock.GetMember("size").GetRawValue <int>();
if (code == "DNA1")
{
context.reader.ReadBytes(4); // SDNA
context.reader.ReadBytes(4); // NAME
int nameCount = context.reader.ReadInt32();
var names = new string[nameCount];
int readByteCount = 0;
for (int index = 0; index < nameCount; ++index)
{
string s = BinaryUtil.ReadAsciiString(context.reader);
names[index] = s;
readByteCount += (s.Length + 1);
}
context.reader.ReadBytes(readByteCount * 3 % 4); // align
context.reader.ReadBytes(4); // TYPE
int typeCount = context.reader.ReadInt32();
readByteCount = 0;
var types = new string[typeCount];
for (int index = 0; index < typeCount; ++index)
{
string s = BinaryUtil.ReadAsciiString(context.reader);
types[index] = s;
readByteCount += (s.Length + 1);
}
context.reader.ReadBytes(readByteCount * 3 % 4); // align
context.reader.ReadBytes(4); // TLEN
readByteCount = 0;
var tLens = new int[typeCount];
for (int index = 0; index < typeCount; ++index)
{
int len = context.reader.ReadUInt16();
tLens[index] = len;
readByteCount += 2;
}
context.reader.ReadBytes(readByteCount * 3 % 4); // align
context.reader.ReadBytes(4); // STRC
int structCount = context.reader.ReadInt32();
readByteCount = 0;
for (int index = 0; index < structCount; ++index)
{
var decl = new _StructureDecl();
int typeIndex = context.reader.ReadInt16();
decl.name = types[typeIndex];
decl.sdnaIndex = index;
decl.size = tLens[typeIndex];
int fieldCount = context.reader.ReadInt16();
decl.fieldTypes = new string[fieldCount];
decl.fieldLengths = new int[fieldCount];
decl.fieldNames = new string[fieldCount];
for (int fieldIndex = 0; fieldIndex < fieldCount; ++fieldIndex)
{
int fieldTypeIndex = context.reader.ReadInt16();
int fieldNameIndex = context.reader.ReadInt16();
decl.fieldTypes[fieldIndex] = types[fieldTypeIndex];
decl.fieldLengths[fieldIndex] = tLens[fieldTypeIndex];
decl.fieldNames[fieldIndex] = names[fieldNameIndex];
}
declList.Add(decl);
}
}
else if (code == "ENDB")
{
// END
break;
}
else
{
// Skip
context.reader.ReadBytes(size);
}
}
return(declList);
}
public static BlockHeaderEntity ReadValue(ReadValueContext context)
{
var value = BlendStructures.FileBlockHeader.ReadValue(context);
return(new BlockHeaderEntity(value));
}
