70 lines
2.3 KiB
C#
70 lines
2.3 KiB
C#
using System;
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using System.Runtime.InteropServices;
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using Unity.Collections;
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using Unity.Collections.LowLevel.Unsafe;
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namespace UnityEngine.XR.ARKit
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{
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internal struct NSMutableData : IDisposable, IEquatable<NSMutableData>
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{
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IntPtr m_NativePtr;
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public static implicit operator IntPtr(NSMutableData data) => data.m_NativePtr;
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public unsafe NSMutableData(void* bytes, int length)
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{
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m_NativePtr = UnityARKit_NSMutableData_createWithBytes(bytes, length);
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}
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public NSData ToNSData() => new NSData(m_NativePtr);
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public bool created => m_NativePtr != IntPtr.Zero;
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public unsafe void* bytes => ToNSData().bytes;
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public int length => ToNSData().length;
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public IntPtr ptr => m_NativePtr;
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public unsafe void Append(void* bytes, int length)
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{
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if (!created)
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throw new InvalidOperationException("The NSMutableArray has not been created.");
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if (bytes == null)
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throw new ArgumentNullException(nameof(bytes));
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UnityARKit_NSMutableData_append(
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m_NativePtr,
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bytes,
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length);
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}
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public void Dispose()
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{
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UnityARKit_CFRelease(m_NativePtr);
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m_NativePtr = IntPtr.Zero;
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}
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public override int GetHashCode() => m_NativePtr.GetHashCode();
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public override bool Equals(object obj) => (obj is NSMutableData) && Equals((NSMutableData)obj);
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public bool Equals(NSMutableData other) => m_NativePtr == other.m_NativePtr;
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public static bool operator ==(NSMutableData lhs, NSMutableData rhs) => lhs.Equals(rhs);
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public static bool operator !=(NSMutableData lhs, NSMutableData rhs) => !lhs.Equals(rhs);
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[DllImport("__Internal")]
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static extern void UnityARKit_CFRelease(IntPtr ptr);
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[DllImport("__Internal")]
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static extern unsafe void UnityARKit_NSMutableData_append(
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IntPtr nsMutableData,
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void* bytes,
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int length);
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[DllImport("__Internal")]
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static extern unsafe IntPtr UnityARKit_NSMutableData_createWithBytes(
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void* bytes,
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int length);
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}
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}
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