/pythonnet/src/runtime/pylong.cs
C# | 291 lines | 99 code | 54 blank | 138 comment | 23 complexity | c641bdf0bcdee5f72a9518cc3d4f0ba0 MD5 | raw file
- // ==========================================================================
- // This software is subject to the provisions of the Zope Public License,
- // Version 2.0 (ZPL). A copy of the ZPL should accompany this distribution.
- // THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
- // WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- // WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
- // FOR A PARTICULAR PURPOSE.
- // ==========================================================================
- using System;
- namespace Python.Runtime {
- /// <summary>
- /// Represents a Python long int object. See the documentation at
- /// http://www.python.org/doc/current/api/longObjects.html
- /// </summary>
- public class PyLong : PyNumber {
- /// <summary>
- /// PyLong Constructor
- /// </summary>
- ///
- /// <remarks>
- /// Creates a new PyLong 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 PyLong(IntPtr ptr) : base(ptr) {}
- /// <summary>
- /// PyLong Constructor
- /// </summary>
- ///
- /// <remarks>
- /// Copy constructor - obtain a PyLong from a generic PyObject. An
- /// ArgumentException will be thrown if the given object is not a
- /// Python long object.
- /// </remarks>
- public PyLong(PyObject o) : base() {
- if (!IsLongType(o)) {
- throw new ArgumentException("object is not a long");
- }
- Runtime.Incref(o.obj);
- obj = o.obj;
- }
- /// <summary>
- /// PyLong Constructor
- /// </summary>
- ///
- /// <remarks>
- /// Creates a new PyLong from an int32 value.
- /// </remarks>
- public PyLong(int value) : base() {
- obj = Runtime.PyLong_FromLong((long)value);
- if (obj == IntPtr.Zero) {
- throw new PythonException();
- }
- }
- /// <summary>
- /// PyLong Constructor
- /// </summary>
- ///
- /// <remarks>
- /// Creates a new PyLong from a uint32 value.
- /// </remarks>
- [CLSCompliant(false)]
- public PyLong(uint value) : base() {
- obj = Runtime.PyLong_FromLong((long)value);
- if (obj == IntPtr.Zero) {
- throw new PythonException();
- }
- }
- /// <summary>
- /// PyLong Constructor
- /// </summary>
- ///
- /// <remarks>
- /// Creates a new PyLong from an int64 value.
- /// </remarks>
- public PyLong(long value) : base() {
- obj = Runtime.PyLong_FromLongLong(value);
- if (obj == IntPtr.Zero) {
- throw new PythonException();
- }
- }
- /// <summary>
- /// PyLong Constructor
- /// </summary>
- ///
- /// <remarks>
- /// Creates a new PyLong from a uint64 value.
- /// </remarks>
- [CLSCompliant(false)]
- public PyLong(ulong value) : base() {
- obj = Runtime.PyLong_FromUnsignedLongLong(value);
- if (obj == IntPtr.Zero) {
- throw new PythonException();
- }
- }
- /// <summary>
- /// PyLong Constructor
- /// </summary>
- ///
- /// <remarks>
- /// Creates a new PyLong from an int16 value.
- /// </remarks>
- public PyLong(short value) : base() {
- obj = Runtime.PyLong_FromLong((long)value);
- if (obj == IntPtr.Zero) {
- throw new PythonException();
- }
- }
- /// <summary>
- /// PyLong Constructor
- /// </summary>
- ///
- /// <remarks>
- /// Creates a new PyLong from an uint16 value.
- /// </remarks>
- [CLSCompliant(false)]
- public PyLong(ushort value) : base() {
- obj = Runtime.PyLong_FromLong((long)value);
- if (obj == IntPtr.Zero) {
- throw new PythonException();
- }
- }
- /// <summary>
- /// PyLong Constructor
- /// </summary>
- ///
- /// <remarks>
- /// Creates a new PyLong from a byte value.
- /// </remarks>
- public PyLong(byte value) : base() {
- obj = Runtime.PyLong_FromLong((long)value);
- if (obj == IntPtr.Zero) {
- throw new PythonException();
- }
- }
- /// <summary>
- /// PyLong Constructor
- /// </summary>
- ///
- /// <remarks>
- /// Creates a new PyLong from an sbyte value.
- /// </remarks>
- [CLSCompliant(false)]
- public PyLong(sbyte value) : base() {
- obj = Runtime.PyLong_FromLong((long)value);
- if (obj == IntPtr.Zero) {
- throw new PythonException();
- }
- }
- /// <summary>
- /// PyLong Constructor
- /// </summary>
- ///
- /// <remarks>
- /// Creates a new PyLong from an double value.
- /// </remarks>
- public PyLong(double value) : base() {
- obj = Runtime.PyLong_FromDouble(value);
- if (obj == IntPtr.Zero) {
- throw new PythonException();
- }
- }
- /// <summary>
- /// PyLong Constructor
- /// </summary>
- ///
- /// <remarks>
- /// Creates a new PyLong from a string value.
- /// </remarks>
- public PyLong(string value) : base() {
- obj = Runtime.PyLong_FromString(value, IntPtr.Zero, 0);
- if (obj == IntPtr.Zero) {
- throw new PythonException();
- }
- }
- /// <summary>
- /// IsLongType Method
- /// </summary>
- ///
- /// <remarks>
- /// Returns true if the given object is a Python long.
- /// </remarks>
- public static bool IsLongType(PyObject value) {
- return Runtime.PyLong_Check(value.obj);
- }
- /// <summary>
- /// AsLong Method
- /// </summary>
- ///
- /// <remarks>
- /// <remarks>
- /// Convert a Python object to a Python long if possible, raising
- /// a PythonException if the conversion is not possible. This is
- /// equivalent to the Python expression "long(object)".
- /// </remarks>
- public static PyLong AsLong(PyObject value) {
- IntPtr op = Runtime.PyNumber_Long(value.obj);
- if (op == IntPtr.Zero) {
- throw new PythonException();
- }
- return new PyLong(op);
- }
- /// <summary>
- /// ToInt16 Method
- /// </summary>
- ///
- /// <remarks>
- /// Return the value of the Python long object as an int16.
- /// </remarks>
- public short ToInt16()
- {
- return System.Convert.ToInt16(this.ToInt64());
- }
- /// <summary>
- /// ToInt32 Method
- /// </summary>
- ///
- /// <remarks>
- /// Return the value of the Python long object as an int32.
- /// </remarks>
- public int ToInt32()
- {
- return System.Convert.ToInt32(this.ToInt64());
- }
- /// <summary>
- /// ToInt64 Method
- /// </summary>
- ///
- /// <remarks>
- /// Return the value of the Python long object as an int64.
- /// </remarks>
- public long ToInt64()
- {
- return Runtime.PyLong_AsLongLong(obj);
- }
- }
- }