// ==========================================================================

// This is a user contribution to the pythondotnet project.

// 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 {

public class PyAnsiString : PySequence

{

/// <summary>

/// PyAnsiString Constructor

/// </summary>

///

/// <remarks>

/// Creates a new PyAnsiString 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 PyAnsiString(IntPtr ptr) : base(ptr) { }

/// <summary>

/// PyString Constructor

/// </summary>

///

/// <remarks>

/// Copy constructor - obtain a PyAnsiString from a generic PyObject.

/// An ArgumentException will be thrown if the given object is not

/// a Python string object.

/// </remarks>

public PyAnsiString(PyObject o)

: base()

{

if (!IsStringType(o))

{

throw new ArgumentException("object is not a string");

}

Runtime.Incref(o.obj);

obj = o.obj;

}

/// <summary>

/// PyAnsiString Constructor

/// </summary>

///

/// <remarks>

/// Creates a Python string from a managed string.

/// </remarks>

public PyAnsiString(string s)

: base()

{

obj = Runtime.PyString_FromStringAndSize(s, s.Length);

if (obj == IntPtr.Zero)

{

throw new PythonException();

}

}

/// <summary>

/// IsStringType Method

/// </summary>

///

/// <remarks>

/// Returns true if the given object is a Python string.

/// </remarks>

public static bool IsStringType(PyObject value)

{

return Runtime.PyString_Check(value.obj);

}

}

}