54 lines
1.2 KiB
C#
54 lines
1.2 KiB
C#
using System;
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using System.Runtime.InteropServices;
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using System.Text;
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namespace UnityEngine.XR.ARCore
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{
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unsafe struct ArString : IDisposable
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{
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byte* m_Bytes;
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public override string ToString() => m_Bytes == null
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? string.Empty
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: Marshal.PtrToStringAnsi(new IntPtr(m_Bytes));
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public string ToString(Encoding encoding) => m_Bytes == null
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? null
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: encoding.GetString(m_Bytes, CalculateNullTerminatedByteCount());
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public void Dispose()
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{
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if (m_Bytes != null)
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{
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Release(m_Bytes);
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}
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m_Bytes = null;
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}
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public int CalculateNullTerminatedByteCount()
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{
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if (m_Bytes == null)
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{
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return 0;
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}
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var bytes = m_Bytes;
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var byteCount = 0;
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while (*bytes++ != 0)
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{
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byteCount++;
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}
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return byteCount;
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}
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#if UNITY_ANDROID && !UNITY_EDITOR
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[DllImport("arcore_sdk_c", EntryPoint = "ArString_release")]
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static extern void Release(byte* str);
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#else
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static void Release(byte* str) { }
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#endif
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}
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}
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