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pythonnet/src/runtime/pyint.cs at v2.2.0-dev1 · attackgithub/pythonnet · GitHub
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using
System
;
using
System
.
Runtime
.
InteropServices
;
namespace
Python
.
Runtime
{
/// <summary>
/// Represents a Python integer object. See the documentation at
/// http://www.python.org/doc/current/api/intObjects.html for details.
/// </summary>
public
class
PyInt
:
PyNumber
{
/// <summary>
/// PyInt Constructor
/// </summary>
///
/// <remarks>
/// 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.
/// </remarks>
public
PyInt
(
IntPtr
ptr
)
:
base
(
ptr
)
{
}
/// <summary>
/// PyInt Constructor
/// </summary>
///
/// <remarks>
/// Copy constructor - obtain a PyInt from a generic PyObject. An
/// ArgumentException will be thrown if the given object is not a
/// Python int object.
/// </remarks>
public
PyInt
(
PyObject
o
)
:
base
(
)
{
if
(
!
IsIntType
(
o
)
)
{
throw
new
ArgumentException
(
"object is not an int"
)
;
}
Runtime
.
Incref
(
o
.
obj
)
;
obj
=
o
.
obj
;
}
/// <summary>
/// PyInt Constructor
/// </summary>
///
/// <remarks>
/// Creates a new Python int from an int32 value.
/// </remarks>
public
PyInt
(
int
value
)
:
base
(
)
{
obj
=
Runtime
.
PyInt_FromInt32
(
value
)
;
if
(
obj
==
IntPtr
.
Zero
)
{
throw
new
PythonException
(
)
;
}
}
/// <summary>
/// PyInt Constructor
/// </summary>
///
/// <remarks>
/// Creates a new Python int from a uint32 value.
/// </remarks>
[
CLSCompliant
(
false
)
]
public
PyInt
(
uint
value
)
:
base
(
IntPtr
.
Zero
)
{
obj
=
Runtime
.
PyInt_FromInt64
(
(
long
)
value
)
;
if
(
obj
==
IntPtr
.
Zero
)
{
throw
new
PythonException
(
)
;
}
}
/// <summary>
/// PyInt Constructor
/// </summary>
///
/// <remarks>
/// Creates a new Python int from an int64 value.
/// </remarks>
public
PyInt
(
long
value
)
:
base
(
IntPtr
.
Zero
)
{
obj
=
Runtime
.
PyInt_FromInt64
(
value
)
;
if
(
obj
==
IntPtr
.
Zero
)
{
throw
new
PythonException
(
)
;
}
}
/// <summary>
/// PyInt Constructor
/// </summary>
///
/// <remarks>
/// Creates a new Python int from a uint64 value.
/// </remarks>
[
CLSCompliant
(
false
)
]
public
PyInt
(
ulong
value
)
:
base
(
IntPtr
.
Zero
)
{
obj
=
Runtime
.
PyInt_FromInt64
(
(
long
)
value
)
;
if
(
obj
==
IntPtr
.
Zero
)
{
throw
new
PythonException
(
)
;
}
}
/// <summary>
/// PyInt Constructor
/// </summary>
///
/// <remarks>
/// Creates a new Python int from an int16 value.
/// </remarks>
public
PyInt
(
short
value
)
:
this
(
(
int
)
value
)
{
}
/// <summary>
/// PyInt Constructor
/// </summary>
///
/// <remarks>
/// Creates a new Python int from a uint16 value.
/// </remarks>
[
CLSCompliant
(
false
)
]
public
PyInt
(
ushort
value
)
:
this
(
(
int
)
value
)
{
}
/// <summary>
/// PyInt Constructor
/// </summary>
///
/// <remarks>
/// Creates a new Python int from a byte value.
/// </remarks>
public
PyInt
(
byte
value
)
:
this
(
(
int
)
value
)
{
}
/// <summary>
/// PyInt Constructor
/// </summary>
///
/// <remarks>
/// Creates a new Python int from an sbyte value.
/// </remarks>
[
CLSCompliant
(
false
)
]
public
PyInt
(
sbyte
value
)
:
this
(
(
int
)
value
)
{
}
/// <summary>
/// PyInt Constructor
/// </summary>
///
/// <remarks>
/// Creates a new Python int from a string value.
/// </remarks>
public
PyInt
(
string
value
)
:
base
(
)
{
obj
=
Runtime
.
PyInt_FromString
(
value
,
IntPtr
.
Zero
,
0
)
;
if
(
obj
==
IntPtr
.
Zero
)
{
throw
new
PythonException
(
)
;
}
}
/// <summary>
/// IsIntType Method
/// </summary>
///
/// <remarks>
/// Returns true if the given object is a Python int.
/// </remarks>
public
static
bool
IsIntType
(
PyObject
value
)
{
return
Runtime
.
PyInt_Check
(
value
.
obj
)
;
}
/// <summary>
/// AsInt Method
/// </summary>
///
/// <remarks>
/// <remarks>
/// 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)".
/// </remarks>
public
static
PyInt
AsInt
(
PyObject
value
)
{
IntPtr
op
=
Runtime
.
PyNumber_Int
(
value
.
obj
)
;
if
(
op
==
IntPtr
.
Zero
)
{
throw
new
PythonException
(
)
;
}
return
new
PyInt
(
op
)
;
}
/// <summary>
/// ToInt16 Method
/// </summary>
///
/// <remarks>
/// Return the value of the Python int object as an int16.
/// </remarks>
public
short
ToInt16
(
)
{
return
System
.
Convert
.
ToInt16
(
this
.
ToInt32
(
)
)
;
}
/// <summary>
/// ToInt32 Method
/// </summary>
///
/// <remarks>
/// Return the value of the Python int object as an int32.
/// </remarks>
public
int
ToInt32
(
)
{
return
Runtime
.
PyInt_AsLong
(
obj
)
;
}
/// <summary>
/// ToInt64 Method
/// </summary>
///
/// <remarks>
/// Return the value of the Python int object as an int64.
/// </remarks>
public
long
ToInt64
(
)
{
return
System
.
Convert
.
ToInt64
(
this
.
ToInt32
(
)
)
;
}
}
}
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