mirror of
https://github.com/OPCFoundation/UA-.NETStandard.git
synced 2026-10-18 22:55:08 +08:00
Marc Schier
eb40a59566
Drive the solution to zero warnings / zero errors with analyzers on, promote the consistently-fixed rules to error, and lock in coverage on the only line of new logic.
85 lines
3.0 KiB
C#
85 lines
3.0 KiB
C#
/* ========================================================================
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* Copyright (c) 2005-2025 The OPC Foundation, Inc. All rights reserved.
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*
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* OPC Foundation MIT License 1.00
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*
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* Permission is hereby granted, free of charge, to any person
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* obtaining a copy of this software and associated documentation
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* files (the "Software"), to deal in the Software without
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* restriction, including without limitation the rights to use,
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* copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following
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* conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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* The complete license agreement can be found here:
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* http://opcfoundation.org/License/MIT/1.00/
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* ======================================================================*/
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using System;
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namespace Opc.Ua.Client.FileSystem
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{
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/// <summary>
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/// File access modes for the OPC UA <c>FileType.Open</c> method,
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/// mirrored as flags so callers don't have to remember the raw
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/// Part 5 bit values.
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/// </summary>
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/// <remarks>
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/// The numeric values match the OPC UA <c>OpenFileMode</c>
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/// enumeration defined in Part 5 §C.4.4.
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/// </remarks>
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[Flags]
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public enum UaFileMode : byte
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{
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/// <summary>
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/// Sentinel value indicating that no mode has been specified.
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/// Passing this to
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/// <see cref="UaFileInfo.OpenAsync(UaFileMode, System.Threading.CancellationToken)"/>
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/// is rejected with <see cref="ArgumentException"/> at
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/// runtime; the value exists so callers can use it as a default
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/// and check explicitly.
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/// </summary>
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None = 0,
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/// <summary>
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/// Open for reading.
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/// </summary>
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Read = 1,
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/// <summary>
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/// Open for writing.
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/// </summary>
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Write = 2,
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/// <summary>
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/// Combine with <see cref="Write"/> to truncate the file on
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/// open.
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/// </summary>
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EraseExisting = 4,
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/// <summary>
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/// Combine with <see cref="Write"/> to position the cursor at
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/// the end of the file on open.
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/// </summary>
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Append = 8,
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/// <summary>
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/// Convenience combination of <see cref="Read"/> and
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/// <see cref="Write"/>.
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/// </summary>
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ReadWrite = Read | Write
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}
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}
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