using Newtonsoft.Json.Utilities; using System; using System.Collections.Generic; using System.Collections.ObjectModel; using System.Globalization; namespace Newtonsoft.Json.Serialization { public class JsonPropertyCollection : KeyedCollection<string, JsonProperty> { private readonly Type _type; private readonly List<JsonProperty> _list; public JsonPropertyCollection(Type type) : base((IEqualityComparer<string>)StringComparer.Ordinal) { ValidationUtils.ArgumentNotNull(type, "type"); _type = type; _list = (List<JsonProperty>)base.Items; } protected override string GetKeyForItem(JsonProperty item) { return item.PropertyName; } public void AddProperty(JsonProperty property) { if (Contains(property.PropertyName)) { if (property.Ignored) return; JsonProperty jsonProperty = base[property.PropertyName]; bool flag = true; if (jsonProperty.Ignored) { Remove(jsonProperty); flag = false; } else if (property.DeclaringType != (Type)null && jsonProperty.DeclaringType != (Type)null) { if (property.DeclaringType.IsSubclassOf(jsonProperty.DeclaringType) || (jsonProperty.DeclaringType.IsInterface() && property.DeclaringType.ImplementInterface(jsonProperty.DeclaringType))) { Remove(jsonProperty); flag = false; } if (jsonProperty.DeclaringType.IsSubclassOf(property.DeclaringType) || (property.DeclaringType.IsInterface() && jsonProperty.DeclaringType.ImplementInterface(property.DeclaringType))) return; } if (flag) throw new JsonSerializationException("A member with the name '{0}' already exists on '{1}'. Use the JsonPropertyAttribute to specify another name.".FormatWith(CultureInfo.InvariantCulture, property.PropertyName, _type)); } Add(property); } public JsonProperty GetClosestMatchProperty(string propertyName) { JsonProperty property = GetProperty(propertyName, StringComparison.Ordinal); if (property == null) property = GetProperty(propertyName, StringComparison.OrdinalIgnoreCase); return property; } private new bool TryGetValue(string key, out JsonProperty item) { if (base.Dictionary == null) { item = null; return false; } return base.Dictionary.TryGetValue(key, out item); } public JsonProperty GetProperty(string propertyName, StringComparison comparisonType) { if (comparisonType == StringComparison.Ordinal) { if (TryGetValue(propertyName, out JsonProperty item)) return item; return null; } for (int i = 0; i < _list.Count; i++) { JsonProperty jsonProperty = _list[i]; if (string.Equals(propertyName, jsonProperty.PropertyName, comparisonType)) return jsonProperty; } return null; } } }