using System;
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using System.Collections.Generic;
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using System.Diagnostics;
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using System.Runtime.CompilerServices;
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using DPumpHydr.WinFrmUI.WenSkin.Json.Utilities;
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namespace DPumpHydr.WinFrmUI.WenSkin.Json.Serialization
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{
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internal abstract class JsonSerializerInternalBase
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{
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private class ReferenceEqualsEqualityComparer : IEqualityComparer<object>
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{
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bool IEqualityComparer<object>.Equals(object x, object y)
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{
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return x == y;
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}
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int IEqualityComparer<object>.GetHashCode(object obj)
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{
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return RuntimeHelpers.GetHashCode(obj);
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}
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}
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private ErrorContext _currentErrorContext;
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private BidirectionalDictionary<string, object> _mappings;
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internal readonly JsonSerializer Serializer;
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internal readonly ITraceWriter TraceWriter;
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protected JsonSerializerProxy InternalSerializer;
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internal BidirectionalDictionary<string, object> DefaultReferenceMappings
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{
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get
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{
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if (_mappings == null)
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{
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_mappings = new BidirectionalDictionary<string, object>(EqualityComparer<string>.Default, new ReferenceEqualsEqualityComparer(), "A different value already has the Id '{0}'.", "A different Id has already been assigned for value '{0}'.");
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}
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return _mappings;
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}
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}
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protected JsonSerializerInternalBase(JsonSerializer serializer)
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{
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ValidationUtils.ArgumentNotNull(serializer, "serializer");
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Serializer = serializer;
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TraceWriter = serializer.TraceWriter;
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}
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private ErrorContext GetErrorContext(object currentObject, object member, string path, Exception error)
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{
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if (_currentErrorContext == null)
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{
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_currentErrorContext = new ErrorContext(currentObject, member, path, error);
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}
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if (_currentErrorContext.Error != error)
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{
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throw new InvalidOperationException("Current error context error is different to requested error.");
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}
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return _currentErrorContext;
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}
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protected void ClearErrorContext()
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{
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if (_currentErrorContext == null)
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{
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throw new InvalidOperationException("Could not clear error context. Error context is already null.");
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}
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_currentErrorContext = null;
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}
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protected bool IsErrorHandled(object currentObject, JsonContract contract, object keyValue, IJsonLineInfo lineInfo, string path, Exception ex)
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{
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ErrorContext errorContext = GetErrorContext(currentObject, keyValue, path, ex);
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if (TraceWriter != null && TraceWriter.LevelFilter >= TraceLevel.Error && !errorContext.Traced)
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{
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errorContext.Traced = true;
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string text = ((GetType() == typeof(JsonSerializerInternalWriter)) ? "Error serializing" : "Error deserializing");
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if (contract != null)
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{
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text = text + " " + contract.UnderlyingType;
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}
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text = text + ". " + ex.Message;
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if (!(ex is JsonException))
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{
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text = JsonPosition.FormatMessage(lineInfo, path, text);
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}
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TraceWriter.Trace(TraceLevel.Error, text, ex);
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}
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if (contract != null && currentObject != null)
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{
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contract.InvokeOnError(currentObject, Serializer.Context, errorContext);
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}
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if (!errorContext.Handled)
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{
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Serializer.OnError(new ErrorEventArgs(currentObject, errorContext));
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}
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return errorContext.Handled;
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}
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}
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}
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