107 lines
3.5 KiB
C#
107 lines
3.5 KiB
C#
using System.IO;
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namespace YooAsset
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{
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internal class LoadEditorPackageManifestOperation : AsyncOperationBase
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{
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private enum ESteps
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{
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None,
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LoadFileData,
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VerifyFileData,
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LoadManifest,
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Done,
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}
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private readonly DefaultEditorFileSystem _fileSystem;
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private readonly string _packageVersion;
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private readonly string _packageHash;
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private DeserializeManifestOperation _deserializer;
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private byte[] _fileData;
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private ESteps _steps = ESteps.None;
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/// <summary>
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/// 包裹清单
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/// </summary>
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public PackageManifest Manifest { private set; get; }
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internal LoadEditorPackageManifestOperation(DefaultEditorFileSystem fileSystem, string packageVersion, string packageHash)
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{
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_fileSystem = fileSystem;
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_packageVersion = packageVersion;
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_packageHash = packageHash;
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}
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internal override void InternalStart()
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{
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_steps = ESteps.LoadFileData;
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}
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internal override void InternalUpdate()
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{
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if (_steps == ESteps.None || _steps == ESteps.Done)
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return;
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if (_steps == ESteps.LoadFileData)
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{
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string manifestFilePath = _fileSystem.GetEditorPackageManifestFilePath(_packageVersion);
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if (File.Exists(manifestFilePath))
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{
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_steps = ESteps.VerifyFileData;
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_fileData = FileUtility.ReadAllBytes(manifestFilePath);
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}
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else
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{
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_steps = ESteps.Done;
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Status = EOperationStatus.Failed;
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Error = $"Can not found simulation package manifest file : {manifestFilePath}";
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}
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}
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if (_steps == ESteps.VerifyFileData)
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{
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if (ManifestTools.VerifyManifestData(_fileData, _packageHash))
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{
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_steps = ESteps.LoadManifest;
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}
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else
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{
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_steps = ESteps.Done;
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Status = EOperationStatus.Failed;
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Error = "Failed to verify simulation package manifest file !";
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}
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}
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if (_steps == ESteps.LoadManifest)
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{
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if (_deserializer == null)
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{
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_deserializer = new DeserializeManifestOperation(null, _fileData);
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_deserializer.StartOperation();
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AddChildOperation(_deserializer);
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}
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_deserializer.UpdateOperation();
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Progress = _deserializer.Progress;
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if (_deserializer.IsDone == false)
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return;
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if (_deserializer.Status == EOperationStatus.Succeed)
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{
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_steps = ESteps.Done;
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Manifest = _deserializer.Manifest;
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Status = EOperationStatus.Succeed;
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}
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else
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{
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_steps = ESteps.Done;
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Status = EOperationStatus.Failed;
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Error = _deserializer.Error;
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}
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}
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}
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internal override string InternalGetDesc()
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{
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return $"PackageVersion : {_packageVersion} PackageHash : {_packageHash}";
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}
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}
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} |