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public ClassFile (BinaryReader reader)
{
if (reader == null)
{
throw new ArgumentNullException ("reader");
}
magic_number = EndianSwap.SwapUInt32 (reader.ReadUInt32 ());
if (magic_number != 0xCAFEBABE)
{
throw new InvalidOperationException (string.Format ("Unexpected magic number. {0} != 0xCAFEBABE", magic_number.ToString ("X")));
}
minor_version = EndianSwap.SwapUInt16 (reader.ReadUInt16 ());
major_version = EndianSwap.SwapUInt16 (reader.ReadUInt16 ());
constant_pool_count = EndianSwap.SwapUInt16 (reader.ReadUInt16 ()); // constant_pool_count item is equal to the number of entries in the constant_pool table plus one.
constant_pool = new ConstantInfo [constant_pool_count];
for (ushort i = 1; i < constant_pool_count; ++i)
{
ConstantInfo.Tags tag = (ConstantInfo.Tags) Enum.ToObject (typeof (ConstantInfo.Tags), reader.ReadByte ());
switch (tag)
{
case ConstantInfo.Tags.CONSTANT_Class: constant_pool [i] = new ConstantClassInfo (); break;
case ConstantInfo.Tags.CONSTANT_FieldRef: constant_pool [i] = new ConstantFieldRefInfo (); break;
case ConstantInfo.Tags.CONSTANT_MethodRef: constant_pool [i] = new ConstantMethodRefInfo (); break;
case ConstantInfo.Tags.CONSTANT_InterfaceMethodRef: constant_pool [i] = new ConstantInterfaceMethodRefInfo (); break;
case ConstantInfo.Tags.CONSTANT_String: constant_pool [i] = new ConstantStringInfo (); break;
case ConstantInfo.Tags.CONSTANT_Integer: constant_pool [i] = new ConstantIntegerInfo (); break;
case ConstantInfo.Tags.CONSTANT_Float: constant_pool [i] = new ConstantFloatInfo (); break;
case ConstantInfo.Tags.CONSTANT_Long: constant_pool [i] = new ConstantLongInfo (); break;
case ConstantInfo.Tags.CONSTANT_Double: constant_pool [i] = new ConstantDoubleInfo (); break;
case ConstantInfo.Tags.CONSTANT_NameAndType: constant_pool [i] = new ConstantNameAndTypeInfo (); break;
case ConstantInfo.Tags.CONSTANT_Utf8: constant_pool [i] = new ConstantUtf8Info (); break;
case ConstantInfo.Tags.CONSTANT_MethodHandle: constant_pool [i] = new ConstantMethodHandleInfo (); break;
case ConstantInfo.Tags.CONSTANT_MethodType: constant_pool [i] = new ConstantMethodTypeInfo (); break;
case ConstantInfo.Tags.CONSTANT_InvokeDynamic: constant_pool [i] = new ConstantInvokeDynamicInfo (); break;
default: throw new InvalidOperationException ("Unexpected constant tag: " + tag.ToString ()); break;
}
constant_pool [i].Parse (ref reader);
switch (tag)
{
case ConstantInfo.Tags.CONSTANT_Long:
case ConstantInfo.Tags.CONSTANT_Double:
{
//
// If a CONSTANT_Long_info or CONSTANT_Double_info structure is the item in the constant_pool table at
// index n, then the next usable item in the pool is located at index n+2.
//
++i;
break;
}
}
}
access_flags = EndianSwap.SwapUInt16 (reader.ReadUInt16 ());
this_class = EndianSwap.SwapUInt16 (reader.ReadUInt16 ());
super_class = EndianSwap.SwapUInt16 (reader.ReadUInt16 ());
interfaces_count = EndianSwap.SwapUInt16 (reader.ReadUInt16 ());
interfaces = new ushort [interfaces_count];
for (ushort i = 0; i < interfaces_count; ++i)
{
interfaces [i] = EndianSwap.SwapUInt16 (reader.ReadUInt16 ());
}
fields_count = EndianSwap.SwapUInt16 (reader.ReadUInt16 ());
fields = new FieldInfo [fields_count];
for (ushort i = 0; i < fields_count; ++i)
{
fields [i] = new FieldInfo ();
fields [i].Parse (ref reader);
}
methods_count = EndianSwap.SwapUInt16 (reader.ReadUInt16 ());
methods = new MethodInfo [methods_count];
for (ushort i = 0; i < methods_count; ++i)
{
methods [i] = new MethodInfo ();
methods [i].Parse (ref reader);
}
attributes_count = EndianSwap.SwapUInt16 (reader.ReadUInt16 ());
attributes = new AttributeInfo [attributes_count];
for (ushort i = 0; i < attributes_count; ++i)
{
attributes [i] = new AttributeInfo ();
attributes [i].Parse (ref reader);
}
}
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
public ClassFile(BinaryReader reader)
{
if (reader == null)
{
throw new ArgumentNullException("reader");
}
magic_number = EndianSwap.SwapUInt32(reader.ReadUInt32());
if (magic_number != 0xCAFEBABE)
{
throw new InvalidOperationException(string.Format("Unexpected magic number. {0} != 0xCAFEBABE", magic_number.ToString("X")));
}
minor_version = EndianSwap.SwapUInt16(reader.ReadUInt16());
major_version = EndianSwap.SwapUInt16(reader.ReadUInt16());
constant_pool_count = EndianSwap.SwapUInt16(reader.ReadUInt16()); // constant_pool_count item is equal to the number of entries in the constant_pool table plus one.
constant_pool = new ConstantInfo [constant_pool_count];
for (ushort i = 1; i < constant_pool_count; ++i)
{
ConstantInfo.Tags tag = (ConstantInfo.Tags)Enum.ToObject(typeof(ConstantInfo.Tags), reader.ReadByte());
switch (tag)
{
case ConstantInfo.Tags.CONSTANT_Class: constant_pool [i] = new ConstantClassInfo(); break;
case ConstantInfo.Tags.CONSTANT_FieldRef: constant_pool [i] = new ConstantFieldRefInfo(); break;
case ConstantInfo.Tags.CONSTANT_MethodRef: constant_pool [i] = new ConstantMethodRefInfo(); break;
case ConstantInfo.Tags.CONSTANT_InterfaceMethodRef: constant_pool [i] = new ConstantInterfaceMethodRefInfo(); break;
case ConstantInfo.Tags.CONSTANT_String: constant_pool [i] = new ConstantStringInfo(); break;
case ConstantInfo.Tags.CONSTANT_Integer: constant_pool [i] = new ConstantIntegerInfo(); break;
case ConstantInfo.Tags.CONSTANT_Float: constant_pool [i] = new ConstantFloatInfo(); break;
case ConstantInfo.Tags.CONSTANT_Long: constant_pool [i] = new ConstantLongInfo(); break;
case ConstantInfo.Tags.CONSTANT_Double: constant_pool [i] = new ConstantDoubleInfo(); break;
case ConstantInfo.Tags.CONSTANT_NameAndType: constant_pool [i] = new ConstantNameAndTypeInfo(); break;
case ConstantInfo.Tags.CONSTANT_Utf8: constant_pool [i] = new ConstantUtf8Info(); break;
case ConstantInfo.Tags.CONSTANT_MethodHandle: constant_pool [i] = new ConstantMethodHandleInfo(); break;
case ConstantInfo.Tags.CONSTANT_MethodType: constant_pool [i] = new ConstantMethodTypeInfo(); break;
case ConstantInfo.Tags.CONSTANT_InvokeDynamic: constant_pool [i] = new ConstantInvokeDynamicInfo(); break;
default: throw new InvalidOperationException("Unexpected constant tag: " + tag.ToString()); break;
}
constant_pool [i].Parse(ref reader);
switch (tag)
{
case ConstantInfo.Tags.CONSTANT_Long:
case ConstantInfo.Tags.CONSTANT_Double:
{
//
// If a CONSTANT_Long_info or CONSTANT_Double_info structure is the item in the constant_pool table at
// index n, then the next usable item in the pool is located at index n+2.
//
++i;
break;
}
}
}
access_flags = EndianSwap.SwapUInt16(reader.ReadUInt16());
this_class = EndianSwap.SwapUInt16(reader.ReadUInt16());
super_class = EndianSwap.SwapUInt16(reader.ReadUInt16());
interfaces_count = EndianSwap.SwapUInt16(reader.ReadUInt16());
interfaces = new ushort [interfaces_count];
for (ushort i = 0; i < interfaces_count; ++i)
{
interfaces [i] = EndianSwap.SwapUInt16(reader.ReadUInt16());
}
fields_count = EndianSwap.SwapUInt16(reader.ReadUInt16());
fields = new FieldInfo [fields_count];
for (ushort i = 0; i < fields_count; ++i)
{
fields [i] = new FieldInfo();
fields [i].Parse(ref reader);
}
methods_count = EndianSwap.SwapUInt16(reader.ReadUInt16());
methods = new MethodInfo [methods_count];
for (ushort i = 0; i < methods_count; ++i)
{
methods [i] = new MethodInfo();
methods [i].Parse(ref reader);
}
attributes_count = EndianSwap.SwapUInt16(reader.ReadUInt16());
attributes = new AttributeInfo [attributes_count];
for (ushort i = 0; i < attributes_count; ++i)
{
attributes [i] = new AttributeInfo();
attributes [i].Parse(ref reader);
}
}
