using System;
namespace Python.Runtime
{
///
/// Represents a Python integer object. See the documentation at
/// PY2: https://docs.python.org/2/c-api/int.html
/// PY3: No equivalent
/// for details.
///
public class PyInt : PyNumber
{
///
/// PyInt Constructor
///
///
/// Creates a new PyInt from an existing object reference. Note
/// that the instance assumes ownership of the object reference.
/// The object reference is not checked for type-correctness.
///
public PyInt(IntPtr ptr) : base(ptr)
{
}
///
/// PyInt Constructor
///
///
/// Copy constructor - obtain a PyInt from a generic PyObject. An
/// ArgumentException will be thrown if the given object is not a
/// Python int object.
///
public PyInt(PyObject o)
{
if (!IsIntType(o))
{
throw new ArgumentException("object is not an int");
}
Runtime.XIncref(o.obj);
obj = o.obj;
}
///
/// PyInt Constructor
///
///
/// Creates a new Python int from an int32 value.
///
public PyInt(int value)
{
obj = Runtime.PyInt_FromInt32(value);
Runtime.CheckExceptionOccurred();
}
///
/// PyInt Constructor
///
///
/// Creates a new Python int from a uint32 value.
///
[CLSCompliant(false)]
public PyInt(uint value) : base(IntPtr.Zero)
{
obj = Runtime.PyInt_FromInt64(value);
Runtime.CheckExceptionOccurred();
}
///
/// PyInt Constructor
///
///
/// Creates a new Python int from an int64 value.
///
public PyInt(long value) : base(IntPtr.Zero)
{
obj = Runtime.PyInt_FromInt64(value);
Runtime.CheckExceptionOccurred();
}
///
/// PyInt Constructor
///
///
/// Creates a new Python int from a uint64 value.
///
[CLSCompliant(false)]
public PyInt(ulong value) : base(IntPtr.Zero)
{
obj = Runtime.PyInt_FromInt64((long)value);
Runtime.CheckExceptionOccurred();
}
///
/// PyInt Constructor
///
///
/// Creates a new Python int from an int16 value.
///
public PyInt(short value) : this((int)value)
{
}
///
/// PyInt Constructor
///
///
/// Creates a new Python int from a uint16 value.
///
[CLSCompliant(false)]
public PyInt(ushort value) : this((int)value)
{
}
///
/// PyInt Constructor
///
///
/// Creates a new Python int from a byte value.
///
public PyInt(byte value) : this((int)value)
{
}
///
/// PyInt Constructor
///
///
/// Creates a new Python int from an sbyte value.
///
[CLSCompliant(false)]
public PyInt(sbyte value) : this((int)value)
{
}
///
/// PyInt Constructor
///
///
/// Creates a new Python int from a string value.
///
public PyInt(string value)
{
obj = Runtime.PyInt_FromString(value, IntPtr.Zero, 0);
Runtime.CheckExceptionOccurred();
}
///
/// IsIntType Method
///
///
/// Returns true if the given object is a Python int.
///
public static bool IsIntType(PyObject value)
{
return Runtime.PyInt_Check(value.obj);
}
///
/// AsInt Method
///
///
/// Convert a Python object to a Python int if possible, raising
/// a PythonException if the conversion is not possible. This is
/// equivalent to the Python expression "int(object)".
///
public static PyInt AsInt(PyObject value)
{
IntPtr op = Runtime.PyNumber_Int(value.obj);
Runtime.CheckExceptionOccurred();
return new PyInt(op);
}
///
/// ToInt16 Method
///
///
/// Return the value of the Python int object as an int16.
///
public short ToInt16()
{
return Convert.ToInt16(ToInt32());
}
///
/// ToInt32 Method
///
///
/// Return the value of the Python int object as an int32.
///
public int ToInt32()
{
return Runtime.PyInt_AsLong(obj);
}
///
/// ToInt64 Method
///
///
/// Return the value of the Python int object as an int64.
///
public long ToInt64()
{
return Convert.ToInt64(ToInt32());
}
}
}