| #region Copyright notice and license |
| |
| // Copyright 2015, Google Inc. |
| // All rights reserved. |
| // |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions are |
| // met: |
| // |
| // * Redistributions of source code must retain the above copyright |
| // notice, this list of conditions and the following disclaimer. |
| // * Redistributions in binary form must reproduce the above |
| // copyright notice, this list of conditions and the following disclaimer |
| // in the documentation and/or other materials provided with the |
| // distribution. |
| // * Neither the name of Google Inc. nor the names of its |
| // contributors may be used to endorse or promote products derived from |
| // this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| #endregion |
| |
| using System; |
| using System.Runtime.InteropServices; |
| using System.Text; |
| |
| namespace Grpc.Core.Internal |
| { |
| /// <summary> |
| /// Useful methods for native/managed marshalling. |
| /// </summary> |
| internal static class MarshalUtils |
| { |
| static readonly Encoding EncodingUTF8 = System.Text.Encoding.UTF8; |
| static readonly Encoding EncodingASCII = System.Text.Encoding.ASCII; |
| |
| /// <summary> |
| /// Converts <c>IntPtr</c> pointing to a UTF-8 encoded byte array to <c>string</c>. |
| /// </summary> |
| public static string PtrToStringUTF8(IntPtr ptr, int len) |
| { |
| var bytes = new byte[len]; |
| Marshal.Copy(ptr, bytes, 0, len); |
| return EncodingUTF8.GetString(bytes); |
| } |
| |
| /// <summary> |
| /// Returns byte array containing UTF-8 encoding of given string. |
| /// </summary> |
| public static byte[] GetBytesUTF8(string str) |
| { |
| return EncodingUTF8.GetBytes(str); |
| } |
| |
| /// <summary> |
| /// Get string from a UTF8 encoded byte array. |
| /// </summary> |
| public static string GetStringUTF8(byte[] bytes) |
| { |
| return EncodingUTF8.GetString(bytes); |
| } |
| |
| /// <summary> |
| /// Returns byte array containing ASCII encoding of given string. |
| /// </summary> |
| public static byte[] GetBytesASCII(string str) |
| { |
| return EncodingASCII.GetBytes(str); |
| } |
| |
| /// <summary> |
| /// Get string from an ASCII encoded byte array. |
| /// </summary> |
| public static string GetStringASCII(byte[] bytes) |
| { |
| return EncodingASCII.GetString(bytes); |
| } |
| } |
| } |