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86 lines
2.4 KiB
C#
86 lines
2.4 KiB
C#
// ==========================================================================
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// This software is subject to the provisions of the Zope Public License,
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// Version 2.0 (ZPL). A copy of the ZPL should accompany this distribution.
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// THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
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// WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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// WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
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// FOR A PARTICULAR PURPOSE.
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// ==========================================================================
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using System;
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namespace Python.Runtime {
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/// <summary>
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/// Represents a Python (ansi) string object. See the documentation at
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/// http://www.python.org/doc/current/api/stringObjects.html for details.
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/// 2011-01-29: ...Then why does the string constructor call PyUnicode_FromUnicode()???
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/// </summary>
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public class PyString : PySequence {
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/// <summary>
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/// PyString Constructor
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/// </summary>
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///
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/// <remarks>
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/// Creates a new PyString from an existing object reference. Note
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/// that the instance assumes ownership of the object reference.
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/// The object reference is not checked for type-correctness.
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/// </remarks>
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public PyString(IntPtr ptr) : base(ptr) {}
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/// <summary>
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/// PyString Constructor
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/// </summary>
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///
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/// <remarks>
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/// Copy constructor - obtain a PyString from a generic PyObject.
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/// An ArgumentException will be thrown if the given object is not
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/// a Python string object.
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/// </remarks>
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public PyString(PyObject o) : base() {
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if (!IsStringType(o)) {
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throw new ArgumentException("object is not a string");
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}
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Runtime.Incref(o.obj);
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obj = o.obj;
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}
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/// <summary>
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/// PyString Constructor
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/// </summary>
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///
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/// <remarks>
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/// Creates a Python string from a managed string.
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/// </remarks>
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public PyString(string s) : base() {
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obj = Runtime.PyUnicode_FromUnicode(s, s.Length);
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if (obj == IntPtr.Zero) {
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throw new PythonException();
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}
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}
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/// <summary>
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/// IsStringType Method
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/// </summary>
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///
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/// <remarks>
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/// Returns true if the given object is a Python string.
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/// </remarks>
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public static bool IsStringType(PyObject value) {
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return Runtime.PyString_Check(value.obj);
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}
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}
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}
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