1203 lines
37 KiB
C#
1203 lines
37 KiB
C#
#region License
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// Copyright (c) 2007 James Newton-King
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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
|
||
// 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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//
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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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#endregion
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using System;
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using System.Collections.Generic;
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#if HAVE_INOTIFY_COLLECTION_CHANGED
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using System.Collections.Specialized;
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#endif
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using System.Threading;
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using LC.Newtonsoft.Json.Utilities;
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using System.Collections;
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using System.Globalization;
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using System.ComponentModel;
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#if !HAVE_LINQ
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using LC.Newtonsoft.Json.Utilities.LinqBridge;
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#else
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using System.Linq;
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#endif
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namespace LC.Newtonsoft.Json.Linq
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{
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/// <summary>
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/// Represents a token that can contain other tokens.
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/// </summary>
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public abstract partial class JContainer : JToken, IList<JToken>
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#if HAVE_COMPONENT_MODEL
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, ITypedList, IBindingList
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#endif
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, IList
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#if HAVE_INOTIFY_COLLECTION_CHANGED
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, INotifyCollectionChanged
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#endif
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{
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#if HAVE_COMPONENT_MODEL
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internal ListChangedEventHandler _listChanged;
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internal AddingNewEventHandler _addingNew;
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/// <summary>
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/// Occurs when the list changes or an item in the list changes.
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/// </summary>
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public event ListChangedEventHandler ListChanged
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{
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add => _listChanged += value;
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remove => _listChanged -= value;
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}
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/// <summary>
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/// Occurs before an item is added to the collection.
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/// </summary>
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public event AddingNewEventHandler AddingNew
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{
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add => _addingNew += value;
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remove => _addingNew -= value;
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}
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#endif
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#if HAVE_INOTIFY_COLLECTION_CHANGED
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internal NotifyCollectionChangedEventHandler _collectionChanged;
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/// <summary>
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/// Occurs when the items list of the collection has changed, or the collection is reset.
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/// </summary>
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public event NotifyCollectionChangedEventHandler CollectionChanged
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{
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add { _collectionChanged += value; }
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remove { _collectionChanged -= value; }
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}
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#endif
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/// <summary>
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/// Gets the container's children tokens.
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/// </summary>
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/// <value>The container's children tokens.</value>
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protected abstract IList<JToken> ChildrenTokens { get; }
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private object _syncRoot;
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#if (HAVE_COMPONENT_MODEL || HAVE_INOTIFY_COLLECTION_CHANGED)
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private bool _busy;
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#endif
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internal JContainer()
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{
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}
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internal JContainer(JContainer other)
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: this()
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{
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ValidationUtils.ArgumentNotNull(other, nameof(other));
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int i = 0;
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foreach (JToken child in other)
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{
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AddInternal(i, child, false);
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i++;
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}
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}
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internal void CheckReentrancy()
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{
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#if (HAVE_COMPONENT_MODEL || HAVE_INOTIFY_COLLECTION_CHANGED)
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if (_busy)
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{
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throw new InvalidOperationException("Cannot change {0} during a collection change event.".FormatWith(CultureInfo.InvariantCulture, GetType()));
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}
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#endif
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}
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internal virtual IList<JToken> CreateChildrenCollection()
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{
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return new List<JToken>();
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}
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#if HAVE_COMPONENT_MODEL
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/// <summary>
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/// Raises the <see cref="AddingNew"/> event.
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/// </summary>
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/// <param name="e">The <see cref="AddingNewEventArgs"/> instance containing the event data.</param>
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protected virtual void OnAddingNew(AddingNewEventArgs e)
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{
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_addingNew?.Invoke(this, e);
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}
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/// <summary>
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/// Raises the <see cref="ListChanged"/> event.
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/// </summary>
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/// <param name="e">The <see cref="ListChangedEventArgs"/> instance containing the event data.</param>
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protected virtual void OnListChanged(ListChangedEventArgs e)
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{
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ListChangedEventHandler handler = _listChanged;
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if (handler != null)
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{
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_busy = true;
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try
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{
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handler(this, e);
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}
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finally
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{
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_busy = false;
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}
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}
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}
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#endif
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#if HAVE_INOTIFY_COLLECTION_CHANGED
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/// <summary>
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/// Raises the <see cref="CollectionChanged"/> event.
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/// </summary>
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/// <param name="e">The <see cref="NotifyCollectionChangedEventArgs"/> instance containing the event data.</param>
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protected virtual void OnCollectionChanged(NotifyCollectionChangedEventArgs e)
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{
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NotifyCollectionChangedEventHandler handler = _collectionChanged;
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if (handler != null)
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{
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_busy = true;
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try
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{
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handler(this, e);
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}
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finally
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{
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_busy = false;
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}
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}
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}
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#endif
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/// <summary>
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/// Gets a value indicating whether this token has child tokens.
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/// </summary>
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/// <value>
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/// <c>true</c> if this token has child values; otherwise, <c>false</c>.
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/// </value>
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public override bool HasValues => ChildrenTokens.Count > 0;
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internal bool ContentsEqual(JContainer container)
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{
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if (container == this)
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{
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return true;
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}
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IList<JToken> t1 = ChildrenTokens;
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IList<JToken> t2 = container.ChildrenTokens;
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if (t1.Count != t2.Count)
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{
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return false;
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}
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for (int i = 0; i < t1.Count; i++)
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{
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if (!t1[i].DeepEquals(t2[i]))
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{
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return false;
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}
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}
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return true;
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}
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/// <summary>
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/// Get the first child token of this token.
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/// </summary>
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/// <value>
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/// A <see cref="JToken"/> containing the first child token of the <see cref="JToken"/>.
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/// </value>
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public override JToken First
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{
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get
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{
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IList<JToken> children = ChildrenTokens;
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return (children.Count > 0) ? children[0] : null;
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}
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}
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/// <summary>
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/// Get the last child token of this token.
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/// </summary>
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/// <value>
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/// A <see cref="JToken"/> containing the last child token of the <see cref="JToken"/>.
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/// </value>
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public override JToken Last
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{
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get
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{
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IList<JToken> children = ChildrenTokens;
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int count = children.Count;
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return (count > 0) ? children[count - 1] : null;
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}
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}
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/// <summary>
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/// Returns a collection of the child tokens of this token, in document order.
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/// </summary>
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/// <returns>
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/// An <see cref="IEnumerable{T}"/> of <see cref="JToken"/> containing the child tokens of this <see cref="JToken"/>, in document order.
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/// </returns>
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public override JEnumerable<JToken> Children()
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{
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return new JEnumerable<JToken>(ChildrenTokens);
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}
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/// <summary>
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/// Returns a collection of the child values of this token, in document order.
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/// </summary>
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/// <typeparam name="T">The type to convert the values to.</typeparam>
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/// <returns>
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/// A <see cref="IEnumerable{T}"/> containing the child values of this <see cref="JToken"/>, in document order.
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/// </returns>
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public override IEnumerable<T> Values<T>()
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{
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return ChildrenTokens.Convert<JToken, T>();
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}
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/// <summary>
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/// Returns a collection of the descendant tokens for this token in document order.
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/// </summary>
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/// <returns>An <see cref="IEnumerable{T}"/> of <see cref="JToken"/> containing the descendant tokens of the <see cref="JToken"/>.</returns>
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public IEnumerable<JToken> Descendants()
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{
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return GetDescendants(false);
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}
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/// <summary>
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/// Returns a collection of the tokens that contain this token, and all descendant tokens of this token, in document order.
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/// </summary>
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/// <returns>An <see cref="IEnumerable{T}"/> of <see cref="JToken"/> containing this token, and all the descendant tokens of the <see cref="JToken"/>.</returns>
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public IEnumerable<JToken> DescendantsAndSelf()
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{
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return GetDescendants(true);
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}
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internal IEnumerable<JToken> GetDescendants(bool self)
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{
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if (self)
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{
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yield return this;
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}
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foreach (JToken o in ChildrenTokens)
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{
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yield return o;
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if (o is JContainer c)
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{
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foreach (JToken d in c.Descendants())
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{
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yield return d;
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}
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}
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}
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}
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internal bool IsMultiContent(object content)
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{
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return (content is IEnumerable && !(content is string) && !(content is JToken) && !(content is byte[]));
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}
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internal JToken EnsureParentToken(JToken item, bool skipParentCheck)
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{
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if (item == null)
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||
{
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return JValue.CreateNull();
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||
}
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||
|
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if (skipParentCheck)
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{
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return item;
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}
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||
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// to avoid a token having multiple parents or creating a recursive loop, create a copy if...
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// the item already has a parent
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// the item is being added to itself
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// the item is being added to the root parent of itself
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if (item.Parent != null || item == this || (item.HasValues && Root == item))
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{
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item = item.CloneToken();
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||
}
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||
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||
return item;
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||
}
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||
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||
internal abstract int IndexOfItem(JToken item);
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internal virtual void InsertItem(int index, JToken item, bool skipParentCheck)
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{
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IList<JToken> children = ChildrenTokens;
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||
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if (index > children.Count)
|
||
{
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||
throw new ArgumentOutOfRangeException(nameof(index), "Index must be within the bounds of the List.");
|
||
}
|
||
|
||
CheckReentrancy();
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||
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||
item = EnsureParentToken(item, skipParentCheck);
|
||
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||
JToken previous = (index == 0) ? null : children[index - 1];
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// haven't inserted new token yet so next token is still at the inserting index
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JToken next = (index == children.Count) ? null : children[index];
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||
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ValidateToken(item, null);
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||
|
||
item.Parent = this;
|
||
|
||
item.Previous = previous;
|
||
if (previous != null)
|
||
{
|
||
previous.Next = item;
|
||
}
|
||
|
||
item.Next = next;
|
||
if (next != null)
|
||
{
|
||
next.Previous = item;
|
||
}
|
||
|
||
children.Insert(index, item);
|
||
|
||
#if HAVE_COMPONENT_MODEL
|
||
if (_listChanged != null)
|
||
{
|
||
OnListChanged(new ListChangedEventArgs(ListChangedType.ItemAdded, index));
|
||
}
|
||
#endif
|
||
#if HAVE_INOTIFY_COLLECTION_CHANGED
|
||
if (_collectionChanged != null)
|
||
{
|
||
OnCollectionChanged(new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Add, item, index));
|
||
}
|
||
#endif
|
||
}
|
||
|
||
internal virtual void RemoveItemAt(int index)
|
||
{
|
||
IList<JToken> children = ChildrenTokens;
|
||
|
||
if (index < 0)
|
||
{
|
||
throw new ArgumentOutOfRangeException(nameof(index), "Index is less than 0.");
|
||
}
|
||
if (index >= children.Count)
|
||
{
|
||
throw new ArgumentOutOfRangeException(nameof(index), "Index is equal to or greater than Count.");
|
||
}
|
||
|
||
CheckReentrancy();
|
||
|
||
JToken item = children[index];
|
||
JToken previous = (index == 0) ? null : children[index - 1];
|
||
JToken next = (index == children.Count - 1) ? null : children[index + 1];
|
||
|
||
if (previous != null)
|
||
{
|
||
previous.Next = next;
|
||
}
|
||
if (next != null)
|
||
{
|
||
next.Previous = previous;
|
||
}
|
||
|
||
item.Parent = null;
|
||
item.Previous = null;
|
||
item.Next = null;
|
||
|
||
children.RemoveAt(index);
|
||
|
||
#if HAVE_COMPONENT_MODEL
|
||
if (_listChanged != null)
|
||
{
|
||
OnListChanged(new ListChangedEventArgs(ListChangedType.ItemDeleted, index));
|
||
}
|
||
#endif
|
||
#if HAVE_INOTIFY_COLLECTION_CHANGED
|
||
if (_collectionChanged != null)
|
||
{
|
||
OnCollectionChanged(new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Remove, item, index));
|
||
}
|
||
#endif
|
||
}
|
||
|
||
internal virtual bool RemoveItem(JToken item)
|
||
{
|
||
int index = IndexOfItem(item);
|
||
if (index >= 0)
|
||
{
|
||
RemoveItemAt(index);
|
||
return true;
|
||
}
|
||
|
||
return false;
|
||
}
|
||
|
||
internal virtual JToken GetItem(int index)
|
||
{
|
||
return ChildrenTokens[index];
|
||
}
|
||
|
||
internal virtual void SetItem(int index, JToken item)
|
||
{
|
||
IList<JToken> children = ChildrenTokens;
|
||
|
||
if (index < 0)
|
||
{
|
||
throw new ArgumentOutOfRangeException(nameof(index), "Index is less than 0.");
|
||
}
|
||
if (index >= children.Count)
|
||
{
|
||
throw new ArgumentOutOfRangeException(nameof(index), "Index is equal to or greater than Count.");
|
||
}
|
||
|
||
JToken existing = children[index];
|
||
|
||
if (IsTokenUnchanged(existing, item))
|
||
{
|
||
return;
|
||
}
|
||
|
||
CheckReentrancy();
|
||
|
||
item = EnsureParentToken(item, false);
|
||
|
||
ValidateToken(item, existing);
|
||
|
||
JToken previous = (index == 0) ? null : children[index - 1];
|
||
JToken next = (index == children.Count - 1) ? null : children[index + 1];
|
||
|
||
item.Parent = this;
|
||
|
||
item.Previous = previous;
|
||
if (previous != null)
|
||
{
|
||
previous.Next = item;
|
||
}
|
||
|
||
item.Next = next;
|
||
if (next != null)
|
||
{
|
||
next.Previous = item;
|
||
}
|
||
|
||
children[index] = item;
|
||
|
||
existing.Parent = null;
|
||
existing.Previous = null;
|
||
existing.Next = null;
|
||
|
||
#if HAVE_COMPONENT_MODEL
|
||
if (_listChanged != null)
|
||
{
|
||
OnListChanged(new ListChangedEventArgs(ListChangedType.ItemChanged, index));
|
||
}
|
||
#endif
|
||
#if HAVE_INOTIFY_COLLECTION_CHANGED
|
||
if (_collectionChanged != null)
|
||
{
|
||
OnCollectionChanged(new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Replace, item, existing, index));
|
||
}
|
||
#endif
|
||
}
|
||
|
||
internal virtual void ClearItems()
|
||
{
|
||
CheckReentrancy();
|
||
|
||
IList<JToken> children = ChildrenTokens;
|
||
|
||
foreach (JToken item in children)
|
||
{
|
||
item.Parent = null;
|
||
item.Previous = null;
|
||
item.Next = null;
|
||
}
|
||
|
||
children.Clear();
|
||
|
||
#if HAVE_COMPONENT_MODEL
|
||
if (_listChanged != null)
|
||
{
|
||
OnListChanged(new ListChangedEventArgs(ListChangedType.Reset, -1));
|
||
}
|
||
#endif
|
||
#if HAVE_INOTIFY_COLLECTION_CHANGED
|
||
if (_collectionChanged != null)
|
||
{
|
||
OnCollectionChanged(new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Reset));
|
||
}
|
||
#endif
|
||
}
|
||
|
||
internal virtual void ReplaceItem(JToken existing, JToken replacement)
|
||
{
|
||
if (existing == null || existing.Parent != this)
|
||
{
|
||
return;
|
||
}
|
||
|
||
int index = IndexOfItem(existing);
|
||
SetItem(index, replacement);
|
||
}
|
||
|
||
internal virtual bool ContainsItem(JToken item)
|
||
{
|
||
return (IndexOfItem(item) != -1);
|
||
}
|
||
|
||
internal virtual void CopyItemsTo(Array array, int arrayIndex)
|
||
{
|
||
if (array == null)
|
||
{
|
||
throw new ArgumentNullException(nameof(array));
|
||
}
|
||
if (arrayIndex < 0)
|
||
{
|
||
throw new ArgumentOutOfRangeException(nameof(arrayIndex), "arrayIndex is less than 0.");
|
||
}
|
||
if (arrayIndex >= array.Length && arrayIndex != 0)
|
||
{
|
||
throw new ArgumentException("arrayIndex is equal to or greater than the length of array.");
|
||
}
|
||
if (Count > array.Length - arrayIndex)
|
||
{
|
||
throw new ArgumentException("The number of elements in the source JObject is greater than the available space from arrayIndex to the end of the destination array.");
|
||
}
|
||
|
||
int index = 0;
|
||
foreach (JToken token in ChildrenTokens)
|
||
{
|
||
array.SetValue(token, arrayIndex + index);
|
||
index++;
|
||
}
|
||
}
|
||
|
||
internal static bool IsTokenUnchanged(JToken currentValue, JToken newValue)
|
||
{
|
||
if (currentValue is JValue v1)
|
||
{
|
||
// null will get turned into a JValue of type null
|
||
if (v1.Type == JTokenType.Null && newValue == null)
|
||
{
|
||
return true;
|
||
}
|
||
|
||
return v1.Equals(newValue);
|
||
}
|
||
|
||
return false;
|
||
}
|
||
|
||
internal virtual void ValidateToken(JToken o, JToken existing)
|
||
{
|
||
ValidationUtils.ArgumentNotNull(o, nameof(o));
|
||
|
||
if (o.Type == JTokenType.Property)
|
||
{
|
||
throw new ArgumentException("Can not add {0} to {1}.".FormatWith(CultureInfo.InvariantCulture, o.GetType(), GetType()));
|
||
}
|
||
}
|
||
|
||
/// <summary>
|
||
/// Adds the specified content as children of this <see cref="JToken"/>.
|
||
/// </summary>
|
||
/// <param name="content">The content to be added.</param>
|
||
public virtual void Add(object content)
|
||
{
|
||
AddInternal(ChildrenTokens.Count, content, false);
|
||
}
|
||
|
||
internal void AddAndSkipParentCheck(JToken token)
|
||
{
|
||
AddInternal(ChildrenTokens.Count, token, true);
|
||
}
|
||
|
||
/// <summary>
|
||
/// Adds the specified content as the first children of this <see cref="JToken"/>.
|
||
/// </summary>
|
||
/// <param name="content">The content to be added.</param>
|
||
public void AddFirst(object content)
|
||
{
|
||
AddInternal(0, content, false);
|
||
}
|
||
|
||
internal void AddInternal(int index, object content, bool skipParentCheck)
|
||
{
|
||
if (IsMultiContent(content))
|
||
{
|
||
IEnumerable enumerable = (IEnumerable)content;
|
||
|
||
int multiIndex = index;
|
||
foreach (object c in enumerable)
|
||
{
|
||
AddInternal(multiIndex, c, skipParentCheck);
|
||
multiIndex++;
|
||
}
|
||
}
|
||
else
|
||
{
|
||
JToken item = CreateFromContent(content);
|
||
|
||
InsertItem(index, item, skipParentCheck);
|
||
}
|
||
}
|
||
|
||
internal static JToken CreateFromContent(object content)
|
||
{
|
||
if (content is JToken token)
|
||
{
|
||
return token;
|
||
}
|
||
|
||
return new JValue(content);
|
||
}
|
||
|
||
/// <summary>
|
||
/// Creates a <see cref="JsonWriter"/> that can be used to add tokens to the <see cref="JToken"/>.
|
||
/// </summary>
|
||
/// <returns>A <see cref="JsonWriter"/> that is ready to have content written to it.</returns>
|
||
public JsonWriter CreateWriter()
|
||
{
|
||
return new JTokenWriter(this);
|
||
}
|
||
|
||
/// <summary>
|
||
/// Replaces the child nodes of this token with the specified content.
|
||
/// </summary>
|
||
/// <param name="content">The content.</param>
|
||
public void ReplaceAll(object content)
|
||
{
|
||
ClearItems();
|
||
Add(content);
|
||
}
|
||
|
||
/// <summary>
|
||
/// Removes the child nodes from this token.
|
||
/// </summary>
|
||
public void RemoveAll()
|
||
{
|
||
ClearItems();
|
||
}
|
||
|
||
internal abstract void MergeItem(object content, JsonMergeSettings settings);
|
||
|
||
/// <summary>
|
||
/// Merge the specified content into this <see cref="JToken"/>.
|
||
/// </summary>
|
||
/// <param name="content">The content to be merged.</param>
|
||
public void Merge(object content)
|
||
{
|
||
MergeItem(content, new JsonMergeSettings());
|
||
}
|
||
|
||
/// <summary>
|
||
/// Merge the specified content into this <see cref="JToken"/> using <see cref="JsonMergeSettings"/>.
|
||
/// </summary>
|
||
/// <param name="content">The content to be merged.</param>
|
||
/// <param name="settings">The <see cref="JsonMergeSettings"/> used to merge the content.</param>
|
||
public void Merge(object content, JsonMergeSettings settings)
|
||
{
|
||
MergeItem(content, settings);
|
||
}
|
||
|
||
internal void ReadTokenFrom(JsonReader reader, JsonLoadSettings options)
|
||
{
|
||
int startDepth = reader.Depth;
|
||
|
||
if (!reader.Read())
|
||
{
|
||
throw JsonReaderException.Create(reader, "Error reading {0} from JsonReader.".FormatWith(CultureInfo.InvariantCulture, GetType().Name));
|
||
}
|
||
|
||
ReadContentFrom(reader, options);
|
||
|
||
int endDepth = reader.Depth;
|
||
|
||
if (endDepth > startDepth)
|
||
{
|
||
throw JsonReaderException.Create(reader, "Unexpected end of content while loading {0}.".FormatWith(CultureInfo.InvariantCulture, GetType().Name));
|
||
}
|
||
}
|
||
|
||
internal void ReadContentFrom(JsonReader r, JsonLoadSettings settings)
|
||
{
|
||
ValidationUtils.ArgumentNotNull(r, nameof(r));
|
||
IJsonLineInfo lineInfo = r as IJsonLineInfo;
|
||
|
||
JContainer parent = this;
|
||
|
||
do
|
||
{
|
||
if (parent is JProperty p && p.Value != null)
|
||
{
|
||
if (parent == this)
|
||
{
|
||
return;
|
||
}
|
||
|
||
parent = parent.Parent;
|
||
}
|
||
|
||
switch (r.TokenType)
|
||
{
|
||
case JsonToken.None:
|
||
// new reader. move to actual content
|
||
break;
|
||
case JsonToken.StartArray:
|
||
JArray a = new JArray();
|
||
a.SetLineInfo(lineInfo, settings);
|
||
parent.Add(a);
|
||
parent = a;
|
||
break;
|
||
|
||
case JsonToken.EndArray:
|
||
if (parent == this)
|
||
{
|
||
return;
|
||
}
|
||
|
||
parent = parent.Parent;
|
||
break;
|
||
case JsonToken.StartObject:
|
||
JObject o = new JObject();
|
||
o.SetLineInfo(lineInfo, settings);
|
||
parent.Add(o);
|
||
parent = o;
|
||
break;
|
||
case JsonToken.EndObject:
|
||
if (parent == this)
|
||
{
|
||
return;
|
||
}
|
||
|
||
parent = parent.Parent;
|
||
break;
|
||
case JsonToken.StartConstructor:
|
||
JConstructor constructor = new JConstructor(r.Value.ToString());
|
||
constructor.SetLineInfo(lineInfo, settings);
|
||
parent.Add(constructor);
|
||
parent = constructor;
|
||
break;
|
||
case JsonToken.EndConstructor:
|
||
if (parent == this)
|
||
{
|
||
return;
|
||
}
|
||
|
||
parent = parent.Parent;
|
||
break;
|
||
case JsonToken.String:
|
||
case JsonToken.Integer:
|
||
case JsonToken.Float:
|
||
case JsonToken.Date:
|
||
case JsonToken.Boolean:
|
||
case JsonToken.Bytes:
|
||
JValue v = new JValue(r.Value);
|
||
v.SetLineInfo(lineInfo, settings);
|
||
parent.Add(v);
|
||
break;
|
||
case JsonToken.Comment:
|
||
if (settings != null && settings.CommentHandling == CommentHandling.Load)
|
||
{
|
||
v = JValue.CreateComment(r.Value.ToString());
|
||
v.SetLineInfo(lineInfo, settings);
|
||
parent.Add(v);
|
||
}
|
||
break;
|
||
case JsonToken.Null:
|
||
v = JValue.CreateNull();
|
||
v.SetLineInfo(lineInfo, settings);
|
||
parent.Add(v);
|
||
break;
|
||
case JsonToken.Undefined:
|
||
v = JValue.CreateUndefined();
|
||
v.SetLineInfo(lineInfo, settings);
|
||
parent.Add(v);
|
||
break;
|
||
case JsonToken.PropertyName:
|
||
JProperty property = ReadProperty(r, settings, lineInfo, parent);
|
||
if (property != null)
|
||
{
|
||
parent = property;
|
||
}
|
||
else
|
||
{
|
||
r.Skip();
|
||
}
|
||
break;
|
||
default:
|
||
throw new InvalidOperationException("The JsonReader should not be on a token of type {0}.".FormatWith(CultureInfo.InvariantCulture, r.TokenType));
|
||
}
|
||
} while (r.Read());
|
||
}
|
||
|
||
private static JProperty ReadProperty(JsonReader r, JsonLoadSettings settings, IJsonLineInfo lineInfo, JContainer parent)
|
||
{
|
||
DuplicatePropertyNameHandling duplicatePropertyNameHandling = settings?.DuplicatePropertyNameHandling ?? DuplicatePropertyNameHandling.Replace;
|
||
|
||
JObject parentObject = (JObject)parent;
|
||
string propertyName = r.Value.ToString();
|
||
JProperty existingPropertyWithName = parentObject.Property(propertyName, StringComparison.Ordinal);
|
||
if (existingPropertyWithName != null)
|
||
{
|
||
if (duplicatePropertyNameHandling == DuplicatePropertyNameHandling.Ignore)
|
||
{
|
||
return null;
|
||
}
|
||
else if (duplicatePropertyNameHandling == DuplicatePropertyNameHandling.Error)
|
||
{
|
||
throw JsonReaderException.Create(r, "Property with the name '{0}' already exists in the current JSON object.".FormatWith(CultureInfo.InvariantCulture, propertyName));
|
||
}
|
||
}
|
||
|
||
JProperty property = new JProperty(propertyName);
|
||
property.SetLineInfo(lineInfo, settings);
|
||
// handle multiple properties with the same name in JSON
|
||
if (existingPropertyWithName == null)
|
||
{
|
||
parent.Add(property);
|
||
}
|
||
else
|
||
{
|
||
existingPropertyWithName.Replace(property);
|
||
}
|
||
|
||
return property;
|
||
}
|
||
|
||
internal int ContentsHashCode()
|
||
{
|
||
int hashCode = 0;
|
||
foreach (JToken item in ChildrenTokens)
|
||
{
|
||
hashCode ^= item.GetDeepHashCode();
|
||
}
|
||
return hashCode;
|
||
}
|
||
|
||
#if HAVE_COMPONENT_MODEL
|
||
string ITypedList.GetListName(PropertyDescriptor[] listAccessors)
|
||
{
|
||
return string.Empty;
|
||
}
|
||
|
||
PropertyDescriptorCollection ITypedList.GetItemProperties(PropertyDescriptor[] listAccessors)
|
||
{
|
||
ICustomTypeDescriptor d = First as ICustomTypeDescriptor;
|
||
return d?.GetProperties();
|
||
}
|
||
#endif
|
||
|
||
#region IList<JToken> Members
|
||
int IList<JToken>.IndexOf(JToken item)
|
||
{
|
||
return IndexOfItem(item);
|
||
}
|
||
|
||
void IList<JToken>.Insert(int index, JToken item)
|
||
{
|
||
InsertItem(index, item, false);
|
||
}
|
||
|
||
void IList<JToken>.RemoveAt(int index)
|
||
{
|
||
RemoveItemAt(index);
|
||
}
|
||
|
||
JToken IList<JToken>.this[int index]
|
||
{
|
||
get => GetItem(index);
|
||
set => SetItem(index, value);
|
||
}
|
||
#endregion
|
||
|
||
#region ICollection<JToken> Members
|
||
void ICollection<JToken>.Add(JToken item)
|
||
{
|
||
Add(item);
|
||
}
|
||
|
||
void ICollection<JToken>.Clear()
|
||
{
|
||
ClearItems();
|
||
}
|
||
|
||
bool ICollection<JToken>.Contains(JToken item)
|
||
{
|
||
return ContainsItem(item);
|
||
}
|
||
|
||
void ICollection<JToken>.CopyTo(JToken[] array, int arrayIndex)
|
||
{
|
||
CopyItemsTo(array, arrayIndex);
|
||
}
|
||
|
||
bool ICollection<JToken>.IsReadOnly => false;
|
||
|
||
bool ICollection<JToken>.Remove(JToken item)
|
||
{
|
||
return RemoveItem(item);
|
||
}
|
||
#endregion
|
||
|
||
private JToken EnsureValue(object value)
|
||
{
|
||
if (value == null)
|
||
{
|
||
return null;
|
||
}
|
||
|
||
if (value is JToken token)
|
||
{
|
||
return token;
|
||
}
|
||
|
||
throw new ArgumentException("Argument is not a JToken.");
|
||
}
|
||
|
||
#region IList Members
|
||
int IList.Add(object value)
|
||
{
|
||
Add(EnsureValue(value));
|
||
return Count - 1;
|
||
}
|
||
|
||
void IList.Clear()
|
||
{
|
||
ClearItems();
|
||
}
|
||
|
||
bool IList.Contains(object value)
|
||
{
|
||
return ContainsItem(EnsureValue(value));
|
||
}
|
||
|
||
int IList.IndexOf(object value)
|
||
{
|
||
return IndexOfItem(EnsureValue(value));
|
||
}
|
||
|
||
void IList.Insert(int index, object value)
|
||
{
|
||
InsertItem(index, EnsureValue(value), false);
|
||
}
|
||
|
||
bool IList.IsFixedSize => false;
|
||
|
||
bool IList.IsReadOnly => false;
|
||
|
||
void IList.Remove(object value)
|
||
{
|
||
RemoveItem(EnsureValue(value));
|
||
}
|
||
|
||
void IList.RemoveAt(int index)
|
||
{
|
||
RemoveItemAt(index);
|
||
}
|
||
|
||
object IList.this[int index]
|
||
{
|
||
get => GetItem(index);
|
||
set => SetItem(index, EnsureValue(value));
|
||
}
|
||
#endregion
|
||
|
||
#region ICollection Members
|
||
void ICollection.CopyTo(Array array, int index)
|
||
{
|
||
CopyItemsTo(array, index);
|
||
}
|
||
|
||
/// <summary>
|
||
/// Gets the count of child JSON tokens.
|
||
/// </summary>
|
||
/// <value>The count of child JSON tokens.</value>
|
||
public int Count => ChildrenTokens.Count;
|
||
|
||
bool ICollection.IsSynchronized => false;
|
||
|
||
object ICollection.SyncRoot
|
||
{
|
||
get
|
||
{
|
||
if (_syncRoot == null)
|
||
{
|
||
Interlocked.CompareExchange(ref _syncRoot, new object(), null);
|
||
}
|
||
|
||
return _syncRoot;
|
||
}
|
||
}
|
||
#endregion
|
||
|
||
#region IBindingList Members
|
||
#if HAVE_COMPONENT_MODEL
|
||
void IBindingList.AddIndex(PropertyDescriptor property)
|
||
{
|
||
}
|
||
|
||
object IBindingList.AddNew()
|
||
{
|
||
AddingNewEventArgs args = new AddingNewEventArgs();
|
||
OnAddingNew(args);
|
||
|
||
if (args.NewObject == null)
|
||
{
|
||
throw new JsonException("Could not determine new value to add to '{0}'.".FormatWith(CultureInfo.InvariantCulture, GetType()));
|
||
}
|
||
|
||
if (!(args.NewObject is JToken newItem))
|
||
{
|
||
throw new JsonException("New item to be added to collection must be compatible with {0}.".FormatWith(CultureInfo.InvariantCulture, typeof(JToken)));
|
||
}
|
||
|
||
Add(newItem);
|
||
|
||
return newItem;
|
||
}
|
||
|
||
bool IBindingList.AllowEdit => true;
|
||
|
||
bool IBindingList.AllowNew => true;
|
||
|
||
bool IBindingList.AllowRemove => true;
|
||
|
||
void IBindingList.ApplySort(PropertyDescriptor property, ListSortDirection direction)
|
||
{
|
||
throw new NotSupportedException();
|
||
}
|
||
|
||
int IBindingList.Find(PropertyDescriptor property, object key)
|
||
{
|
||
throw new NotSupportedException();
|
||
}
|
||
|
||
bool IBindingList.IsSorted => false;
|
||
|
||
void IBindingList.RemoveIndex(PropertyDescriptor property)
|
||
{
|
||
}
|
||
|
||
void IBindingList.RemoveSort()
|
||
{
|
||
throw new NotSupportedException();
|
||
}
|
||
|
||
ListSortDirection IBindingList.SortDirection => ListSortDirection.Ascending;
|
||
|
||
PropertyDescriptor IBindingList.SortProperty => null;
|
||
|
||
bool IBindingList.SupportsChangeNotification => true;
|
||
|
||
bool IBindingList.SupportsSearching => false;
|
||
|
||
bool IBindingList.SupportsSorting => false;
|
||
#endif
|
||
#endregion
|
||
|
||
internal static void MergeEnumerableContent(JContainer target, IEnumerable content, JsonMergeSettings settings)
|
||
{
|
||
switch (settings.MergeArrayHandling)
|
||
{
|
||
case MergeArrayHandling.Concat:
|
||
foreach (JToken item in content)
|
||
{
|
||
target.Add(item);
|
||
}
|
||
break;
|
||
case MergeArrayHandling.Union:
|
||
#if HAVE_HASH_SET
|
||
HashSet<JToken> items = new HashSet<JToken>(target, EqualityComparer);
|
||
|
||
foreach (JToken item in content)
|
||
{
|
||
if (items.Add(item))
|
||
{
|
||
target.Add(item);
|
||
}
|
||
}
|
||
#else
|
||
Dictionary<JToken, bool> items = new Dictionary<JToken, bool>(EqualityComparer);
|
||
foreach (JToken t in target)
|
||
{
|
||
items[t] = true;
|
||
}
|
||
|
||
foreach (JToken item in content)
|
||
{
|
||
if (!items.ContainsKey(item))
|
||
{
|
||
items[item] = true;
|
||
target.Add(item);
|
||
}
|
||
}
|
||
#endif
|
||
break;
|
||
case MergeArrayHandling.Replace:
|
||
target.ClearItems();
|
||
foreach (JToken item in content)
|
||
{
|
||
target.Add(item);
|
||
}
|
||
break;
|
||
case MergeArrayHandling.Merge:
|
||
int i = 0;
|
||
foreach (object targetItem in content)
|
||
{
|
||
if (i < target.Count)
|
||
{
|
||
JToken sourceItem = target[i];
|
||
|
||
if (sourceItem is JContainer existingContainer)
|
||
{
|
||
existingContainer.Merge(targetItem, settings);
|
||
}
|
||
else
|
||
{
|
||
if (targetItem != null)
|
||
{
|
||
JToken contentValue = CreateFromContent(targetItem);
|
||
if (contentValue.Type != JTokenType.Null)
|
||
{
|
||
target[i] = contentValue;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
else
|
||
{
|
||
target.Add(targetItem);
|
||
}
|
||
|
||
i++;
|
||
}
|
||
break;
|
||
default:
|
||
throw new ArgumentOutOfRangeException(nameof(settings), "Unexpected merge array handling when merging JSON.");
|
||
}
|
||
}
|
||
}
|
||
} |