+++ /dev/null
-/**
- * @file ustring.cs
- * @brief Managed LibVLC strings
- * @ingroup Internals
- */
-
-/**********************************************************************
- * Copyright (C) 2007 RĂ©mi Denis-Courmont. *
- * This program is free software; you can redistribute and/or modify *
- * it under the terms of the GNU General Public License as published *
- * by the Free Software Foundation; version 2 of the license, or (at *
- * your option) any later version. *
- * *
- * This program is distributed in the hope that it will be useful, *
- * but WITHOUT ANY WARRANTY; without even the implied warranty of *
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. *
- * See the GNU General Public License for more details. *
- * *
- * You should have received a copy of the GNU General Public License *
- * along with this program; if not, you can get it from: *
- * http://www.gnu.org/copyleft/gpl.html *
- **********************************************************************/
-
-using System;
-using System.Runtime.InteropServices;
-
-namespace VideoLAN.LibVLC
-{
- /**
- * @brief U8String: Native UTF-8 characters array
- * @ingroup Internals
- * This supports conversion between native UTF-8 nul-terminated characters
- * arrays (as used by the native LibVLC) and managed strings.
- */
- [StructLayout (LayoutKind.Sequential)]
- internal struct U8String
- {
- public byte[] mb_str; /**< nul-terminated UTF-8 bytes array */
-
- /**
- * Creates an UTF-8 characters array from a .NET string.
- * @param value string to convert
- */
- public U8String (string value)
- {
- mb_str = null;
- if (value == null)
- return;
-
- byte[] bytes = System.Text.Encoding.UTF8.GetBytes (value);
- mb_str = new byte[bytes.Length + 1];
- Array.Copy (bytes, mb_str, bytes.Length);
- mb_str[bytes.Length] = 0;
- }
-
- private U8String (IntPtr ptr)
- {
- mb_str = null;
- if (ptr == IntPtr.Zero)
- return;
-
- int i = 0;
- while (Marshal.ReadByte (ptr, i) != 0)
- i++;
- i++;
-
- mb_str = new byte[i];
- Marshal.Copy (ptr, mb_str, 0, i);
- }
-
- /**
- * Object::ToString.
- */
- public override string ToString ()
- {
- if (mb_str == null)
- return null;
-
- byte[] bytes = new byte[mb_str.Length - 1];
- Array.Copy (mb_str, bytes, bytes.Length);
-
- return System.Text.Encoding.UTF8.GetString (bytes);
- }
-
- /**
- * Converts a pointer to a nul-terminated UTF-8 characters array into
- * a managed string.
- */
- public static string FromNative (IntPtr ptr)
- {
- return new U8String (ptr).ToString ();
- }
- };
-
- /**
- * @brief MemoryHandle: heap allocation by the C run-time
- * @ingroup Internals
- */
- internal class MemoryHandle : NonNullHandle
- {
- /**
- * NonNullHandle.Destroy
- */
- protected override void Destroy ()
- {
- LibVLC.Free (handle);
- }
- };
-
- /**
- * @brief StringHandle: heap-allocated characters array
- * @ingroup Internals
- */
- internal sealed class StringHandle : MemoryHandle
- {
- /**
- * Converts an heap-allocated nul-terminated UTF-8 characters array
- * into a managed string.
- * @return the resulting managed string.
- */
- public override string ToString ()
- {
- return U8String.FromNative (handle);
- }
-
- /**
- * Converts the buffer (as in ToString()) and release it.
- * @return managed string representation of the buffer
- */
- public string Transform ()
- {
- string value = ToString ();
- Close ();
- return value;
- }
- };
-};