/// <summary>
/// static VALUE r_object0(struct load_arg *arg, int *ivp, VALUE extmod)
/// </summary>
/// <param name="hasivp"></param>
/// <param name="ivp"></param>
/// <param name="extmod"></param>
/// <returns></returns>
public object ReadObject0(bool hasivp, ref bool ivp, List <FuzzyModule> extmod)
{
object v = null;
int type = ReadByte();
int id;
object link;
switch (type)
{
case RubyMarshal.Types.Link:
id = ReadLong();
if (!this.m_objects.TryGetValue(id, out link))
{
throw new InvalidDataException("dump format error (unlinked)");
}
v = link;
if (this.m_proc != null)
{
v = this.m_proc(v);
}
break;
case RubyMarshal.Types.InstanceVariable:
{
bool ivar = true;
v = ReadObject0(ref ivar, extmod);
bool hasenc = false;
if (ivar)
{
ReadInstanceVariable(v, ref hasenc);
}
}
break;
case RubyMarshal.Types.Extended:
{
FuzzyModule m = FuzzyModule.GetModule(ReadUnique());
if (extmod == null)
{
extmod = new List <FuzzyModule>();
}
extmod.Add(m);
v = ReadObject0(extmod);
FuzzyObject fobj = v as FuzzyObject;
if (fobj != null)
{
fobj.ExtendModules.AddRange(extmod);
}
}
break;
case RubyMarshal.Types.UserClass:
{
FuzzyClass c = FuzzyClass.GetClass(ReadUnique());
v = ReadObject0(extmod);
if (v is FuzzyObject)
{
(v as FuzzyObject).ClassName = c.Symbol;
}
}
break;
case RubyMarshal.Types.Nil:
v = FuzzyNil.Instance;
v = Leave(v);
break;
case RubyMarshal.Types.True:
v = FuzzyBool.True;
v = Leave(v);
break;
case RubyMarshal.Types.False:
v = FuzzyBool.False;
v = Leave(v);
break;
case RubyMarshal.Types.Fixnum:
v = ReadLong();
v = new FuzzyFixnum(Convert.ToInt64(v));
v = Leave(v);
break;
case RubyMarshal.Types.Float:
{
double d;
FuzzyString fstr = ReadString();
string str = fstr.Text;
if (str == "inf")
{
d = double.PositiveInfinity;
}
else if (str == "-inf")
{
d = double.NegativeInfinity;
}
else if (str == "nan")
{
d = double.NaN;
}
else
{
if (str.Contains("\0"))
{
str = str.Remove(str.IndexOf("\0"));
}
d = Convert.ToDouble(str);
}
v = new FuzzyFloat(d);
v = Entry(v);
v = Leave(v);
}
break;
case RubyMarshal.Types.Bignum:
{
int sign = 0;
switch (ReadByte())
{
case 0x2b:
sign = 1;
break;
case 0x2d:
sign = -1;
break;
default:
sign = 0;
break;
}
int num3 = ReadLong();
int index = num3 / 2;
int num5 = (num3 + 1) / 2;
uint[] data = new uint[num5];
for (int i = 0; i < index; i++)
{
data[i] = m_reader.ReadUInt32();
}
if (index != num5)
{
data[index] = m_reader.ReadUInt16();
}
v = new FuzzyBignum(sign, data);
v = new FuzzyBignumAdapter(v as FuzzyBignum);
v = Entry(v);
v = Leave(v);
}
break;
case RubyMarshal.Types.String:
v = Entry(ReadString());
v = Leave(v);
break;
case RubyMarshal.Types.Regexp:
{
FuzzyString str = ReadString();
int options = ReadByte();
bool has_encoding = false;
int idx = Prepare();
if (hasivp)
{
ReadInstanceVariable(str, ref has_encoding);
ivp = false;
}
if (!has_encoding)
{
// TODO: 1.8 compatibility; remove escapes undefined in 1.8
/*
* char *ptr = RSTRING_PTR(str), *dst = ptr, *src = ptr;
* long len = RSTRING_LEN(str);
* long bs = 0;
* for (; len-- > 0; *dst++ = *src++) {
* switch (*src) {
* case '\\': bs++; break;
* case 'g': case 'h': case 'i': case 'j': case 'k': case 'l':
* case 'm': case 'o': case 'p': case 'q': case 'u': case 'y':
* case 'E': case 'F': case 'H': case 'I': case 'J': case 'K':
* case 'L': case 'N': case 'O': case 'P': case 'Q': case 'R':
* case 'S': case 'T': case 'U': case 'V': case 'X': case 'Y':
* if (bs & 1) --dst;
* default: bs = 0; break;
* }
* }
* rb_str_set_len(str, dst - ptr);
*/
}
v = Entry0(new FuzzyRegexp(str, (FuzzyRegexpOptions)options), idx);
v = Leave(v);
}
break;
case RubyMarshal.Types.Array:
{
int len = ReadLong();
FuzzyArray ary = new FuzzyArray();
v = ary;
v = Entry(v);
while (len-- > 0)
{
ary.Push(ReadObject());
}
v = Leave(v);
}
break;
case RubyMarshal.Types.Hash:
case RubyMarshal.Types.HashWithDefault:
{
int len = ReadLong();
FuzzyHash hash = new FuzzyHash();
v = hash;
v = Entry(v);
while (len-- > 0)
{
object key = ReadObject();
object value = ReadObject();
hash.Add(key, value);
}
if (type == RubyMarshal.Types.HashWithDefault)
{
hash.DefaultValue = ReadObject();
}
v = Leave(v);
}
break;
case RubyMarshal.Types.Struct:
{
int idx = Prepare();
FuzzyStruct obj = new FuzzyStruct();
FuzzySymbol klass = ReadUnique();
obj.ClassName = klass;
int len = ReadLong();
v = obj;
v = Entry0(v, idx);
while (len-- > 0)
{
FuzzySymbol key = ReadSymbol();
object value = ReadObject();
obj.InstanceVariable[key] = value;
}
v = Leave(v);
}
break;
case RubyMarshal.Types.UserDefined:
{
FuzzySymbol klass = ReadUnique();
var factor = Factory <byte[]> .Factor(klass.Name);
if (factor == null)
{
FuzzyString data = ReadString();
if (hasivp)
{
ReadInstanceVariable(data);
ivp = false;
}
FuzzyUserdefinedDumpObject obj = new FuzzyUserdefinedDumpObject();
obj.ClassName = klass;
obj.DumpedObject = data.Raw;
v = obj;
v = Entry(v);
v = Leave(v);
}
else
{
object obj = factor._dump(m_stream, null);
v = obj;
v = Entry(v);
v = Leave(v);
}
}
break;
case RubyMarshal.Types.UserMarshal:
{
FuzzySymbol klass = ReadUnique();
FuzzyUserdefinedMarshalDumpObject obj = new FuzzyUserdefinedMarshalDumpObject();
v = obj;
if (extmod != null)
{
AppendExtendedModule(obj, extmod);
}
v = Entry(v);
object data = ReadObject();
obj.ClassName = klass;
obj.DumpedObject = data;
v = Leave(v);
if (extmod != null)
{
extmod.Clear();
}
}
break;
case RubyMarshal.Types.Object:
{
int idx = Prepare();
FuzzyObject obj = new FuzzyObject();
FuzzySymbol klass = ReadUnique();
obj.ClassName = klass;
v = obj;
v = Entry0(v, idx);
ReadInstanceVariable(v);
v = Leave(v);
}
break;
case RubyMarshal.Types.Class:
{
FuzzyString str = ReadString();
v = FuzzyClass.GetClass(FuzzySymbol.GetSymbol(str));
v = Entry(v);
v = Leave(v);
}
break;
case RubyMarshal.Types.Module:
{
FuzzyString str = ReadString();
v = FuzzyModule.GetModule(FuzzySymbol.GetSymbol(str));
v = Entry(v);
v = Leave(v);
}
break;
case RubyMarshal.Types.Symbol:
if (hasivp)
{
v = ReadSymbolReal(ivp);
ivp = false;
}
else
{
v = ReadSymbolReal(false);
}
v = Leave(v);
break;
case RubyMarshal.Types.SymbolLink:
v = ReadSymbolLink();
break;
case RubyMarshal.Types.Data:
/* TODO: Data Support
* {
* VALUE klass = path2class(r_unique(arg));
* VALUE oldclass = 0;
*
* v = obj_alloc_by_klass(klass, arg, &oldclass);
* if (!RB_TYPE_P(v, T_DATA)) {
* rb_raise(rb_eArgError, "dump format error");
* }
* v = r_entry(v, arg);
* if (!rb_respond_to(v, s_load_data)) {
* rb_raise(rb_eTypeError, "class %s needs to have instance method `_load_data'", rb_class2name(klass));
* }
* rb_funcall(v, s_load_data, 1, r_object0(arg, 0, extmod));
* check_load_arg(arg, s_load_data);
* v = r_leave(v, arg);
* }
*/
case RubyMarshal.Types.ModuleOld:
/*
* TODO: ModuleOld Support
* {
* volatile VALUE str = r_bytes(arg);
* v = rb_path_to_class(str);
* v = r_entry(v, arg);
* v = r_leave(v, arg);
* }
*/
default:
throw new InvalidDataException(string.Format("dump format error(0x{0:X2})", type));
}
return(v);
}