public bool method_0(Class187 class1870)
{
while (true)
{
switch (_int3)
{
case 0:
_int4 = class1870.method_0(5);
if (_int4 >= 0)
{
_int4 += 257;
class1870.method_1(5);
_int3 = 1;
goto IL_1FD;
}
return(false);
case 1:
goto IL_1FD;
case 2:
goto IL_1AF;
case 3:
goto IL_176;
case 4:
break;
case 5:
goto IL_2C;
default:
continue;
}
IL_F4:
int num;
while (((num = _class1970.method_1(class1870)) & -16) == 0)
{
_byte1[_int9++] = (_byte2 = (byte)num);
if (_int9 == _int7)
{
return(true);
}
}
if (num >= 0)
{
if (num >= 17)
{
_byte2 = 0;
}
else if (_int9 == 0)
{
goto IL_2A6;
}
_int8 = num - 16;
_int3 = 5;
goto IL_2C;
}
return(false);
IL_176:
while (_int9 < _int6)
{
var num2 = class1870.method_0(3);
if (num2 < 0)
{
return(false);
}
class1870.method_1(3);
_byte0[Int2[_int9]] = (byte)num2;
_int9++;
}
_class1970 = new Class197(_byte0);
_byte0 = null;
_int9 = 0;
_int3 = 4;
goto IL_F4;
IL_2C:
var num3 = Int1[_int8];
var num4 = class1870.method_0(num3);
if (num4 < 0)
{
return(false);
}
class1870.method_1(num3);
num4 += Int0[_int8];
if (_int9 + num4 > _int7)
{
break;
}
while (num4-- > 0)
{
_byte1[_int9++] = _byte2;
}
if (_int9 == _int7)
{
return(true);
}
_int3 = 4;
continue;
IL_1AF:
_int6 = class1870.method_0(4);
if (_int6 >= 0)
{
_int6 += 4;
class1870.method_1(4);
_byte0 = new byte[19];
_int9 = 0;
_int3 = 3;
goto IL_176;
}
return(false);
IL_1FD:
_int5 = class1870.method_0(5);
if (_int5 >= 0)
{
_int5++;
class1870.method_1(5);
_int7 = _int4 + _int5;
_byte1 = new byte[_int7];
_int3 = 2;
goto IL_1AF;
}
return(false);
}
throw new SharpZipBaseException();
IL_2A6:
throw new SharpZipBaseException();
}
private bool method_3()
{
var i = _class2030.method_4();
while (i >= 258)
{
int num;
switch (_int4)
{
case 7:
while (((num = _class1970.method_1(_class1870)) & -256) == 0)
{
_class2030.method_0(num);
if (--i < 258)
{
return(true);
}
}
if (num >= 257)
{
try
{
_int7 = Int0[num - 257];
_int6 = Int1[num - 257];
}
catch (Exception)
{
throw new SharpZipBaseException("Illegal rep length code");
}
goto IL_AC;
}
if (num < 0)
{
return(false);
}
_class1971 = null;
_class1970 = null;
_int4 = 2;
return(true);
case 8:
goto IL_AC;
case 9:
goto IL_FC;
case 10:
break;
default:
throw new SharpZipBaseException("Inflater unknown mode");
}
IL_13D:
if (_int6 > 0)
{
_int4 = 10;
var num2 = _class1870.method_0(_int6);
if (num2 < 0)
{
return(false);
}
_class1870.method_1(_int6);
_int8 += num2;
}
_class2030.method_2(_int7, _int8);
i -= _int7;
_int4 = 7;
continue;
IL_FC:
num = _class1971.method_1(_class1870);
if (num >= 0)
{
try
{
_int8 = Int2[num];
_int6 = Int3[num];
}
catch (Exception)
{
throw new SharpZipBaseException("Illegal rep dist code");
}
goto IL_13D;
}
return(false);
IL_AC:
if (_int6 > 0)
{
_int4 = 8;
var num3 = _class1870.method_0(_int6);
if (num3 < 0)
{
return(false);
}
_class1870.method_1(_int6);
_int7 += num3;
}
_int4 = 9;
goto IL_FC;
}
return(true);
}