using System.Diagnostics.Contracts;
using System.Runtime.InteropServices;

#pragma warning disable 1591

namespace OpenCvSharp.Internal;

static partial class NativeMethods
{
    [Pure, DllImport(DllExtern, CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
    public static extern IntPtr string_new1();

    [Pure, DllImport(DllExtern, CallingConvention = CallingConvention.Cdecl, ExactSpelling = true, CharSet = CharSet.Ansi)]
    public static extern IntPtr string_new2([MarshalAs(UnmanagedType.LPArray)] byte[] str);

    [DllImport(DllExtern, CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
    public static extern void string_delete(IntPtr s);

    [Pure, DllImport(DllExtern, CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
    public static extern unsafe sbyte* string_c_str(IntPtr s);

    [Pure, DllImport(DllExtern, CallingConvention = CallingConvention.Cdecl, ExactSpelling = true)]
    public static extern nuint string_size(IntPtr s);
}