csharp-sdk-upm/Libs/Newtonsoft.Json.AOT/Linq/JConstructor.cs

250 lines
8.9 KiB
C#
Raw Normal View History

2021-03-31 11:22:02 +08:00
#region License
// Copyright (c) 2007 James Newton-King
//
// Permission is hereby granted, free of charge, to any person
// obtaining a copy of this software and associated documentation
// files (the "Software"), to deal in the Software without
// restriction, including without limitation the rights to use,
// copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following
// conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
// OTHER DEALINGS IN THE SOFTWARE.
#endregion
using System;
using System.Collections;
using System.Collections.Generic;
using LC.Newtonsoft.Json.Utilities;
using System.Globalization;
namespace LC.Newtonsoft.Json.Linq
{
/// <summary>
/// Represents a JSON constructor.
/// </summary>
public partial class JConstructor : JContainer
{
private string? _name;
private readonly List<JToken> _values = new List<JToken>();
/// <summary>
/// Gets the container's children tokens.
/// </summary>
/// <value>The container's children tokens.</value>
protected override IList<JToken> ChildrenTokens => _values;
internal override int IndexOfItem(JToken? item)
{
if (item == null)
{
return -1;
}
return _values.IndexOfReference(item);
}
internal override void MergeItem(object content, JsonMergeSettings? settings)
{
if (!(content is JConstructor c))
{
return;
}
if (c.Name != null)
{
Name = c.Name;
}
MergeEnumerableContent(this, c, settings);
}
/// <summary>
/// Gets or sets the name of this constructor.
/// </summary>
/// <value>The constructor name.</value>
public string? Name
{
get => _name;
set => _name = value;
}
/// <summary>
/// Gets the node type for this <see cref="JToken"/>.
/// </summary>
/// <value>The type.</value>
public override JTokenType Type => JTokenType.Constructor;
/// <summary>
/// Initializes a new instance of the <see cref="JConstructor"/> class.
/// </summary>
public JConstructor()
{
}
/// <summary>
/// Initializes a new instance of the <see cref="JConstructor"/> class from another <see cref="JConstructor"/> object.
/// </summary>
/// <param name="other">A <see cref="JConstructor"/> object to copy from.</param>
public JConstructor(JConstructor other)
: base(other)
{
_name = other.Name;
}
/// <summary>
/// Initializes a new instance of the <see cref="JConstructor"/> class with the specified name and content.
/// </summary>
/// <param name="name">The constructor name.</param>
/// <param name="content">The contents of the constructor.</param>
public JConstructor(string name, params object[] content)
: this(name, (object)content)
{
}
/// <summary>
/// Initializes a new instance of the <see cref="JConstructor"/> class with the specified name and content.
/// </summary>
/// <param name="name">The constructor name.</param>
/// <param name="content">The contents of the constructor.</param>
public JConstructor(string name, object content)
: this(name)
{
Add(content);
}
/// <summary>
/// Initializes a new instance of the <see cref="JConstructor"/> class with the specified name.
/// </summary>
/// <param name="name">The constructor name.</param>
public JConstructor(string name)
{
if (name == null)
{
throw new ArgumentNullException(nameof(name));
}
if (name.Length == 0)
{
throw new ArgumentException("Constructor name cannot be empty.", nameof(name));
}
_name = name;
}
internal override bool DeepEquals(JToken node)
{
return (node is JConstructor c && _name == c.Name && ContentsEqual(c));
}
internal override JToken CloneToken()
{
return new JConstructor(this);
}
/// <summary>
/// Writes this token to a <see cref="JsonWriter"/>.
/// </summary>
/// <param name="writer">A <see cref="JsonWriter"/> into which this method will write.</param>
/// <param name="converters">A collection of <see cref="JsonConverter"/> which will be used when writing the token.</param>
public override void WriteTo(JsonWriter writer, params JsonConverter[] converters)
{
writer.WriteStartConstructor(_name!);
int count = _values.Count;
for (int i = 0; i < count; i++)
{
_values[i].WriteTo(writer, converters);
}
writer.WriteEndConstructor();
}
/// <summary>
/// Gets the <see cref="JToken"/> with the specified key.
/// </summary>
/// <value>The <see cref="JToken"/> with the specified key.</value>
public override JToken? this[object key]
{
get
{
ValidationUtils.ArgumentNotNull(key, nameof(key));
if (!(key is int i))
{
throw new ArgumentException("Accessed JConstructor values with invalid key value: {0}. Argument position index expected.".FormatWith(CultureInfo.InvariantCulture, MiscellaneousUtils.ToString(key)));
}
return GetItem(i);
}
set
{
ValidationUtils.ArgumentNotNull(key, nameof(key));
if (!(key is int i))
{
throw new ArgumentException("Set JConstructor values with invalid key value: {0}. Argument position index expected.".FormatWith(CultureInfo.InvariantCulture, MiscellaneousUtils.ToString(key)));
}
SetItem(i, value);
}
}
internal override int GetDeepHashCode()
{
return (_name?.GetHashCode() ?? 0) ^ ContentsHashCode();
}
/// <summary>
/// Loads a <see cref="JConstructor"/> from a <see cref="JsonReader"/>.
/// </summary>
/// <param name="reader">A <see cref="JsonReader"/> that will be read for the content of the <see cref="JConstructor"/>.</param>
/// <returns>A <see cref="JConstructor"/> that contains the JSON that was read from the specified <see cref="JsonReader"/>.</returns>
public new static JConstructor Load(JsonReader reader)
{
return Load(reader, null);
}
/// <summary>
/// Loads a <see cref="JConstructor"/> from a <see cref="JsonReader"/>.
/// </summary>
/// <param name="reader">A <see cref="JsonReader"/> that will be read for the content of the <see cref="JConstructor"/>.</param>
/// <param name="settings">The <see cref="JsonLoadSettings"/> used to load the JSON.
/// If this is <c>null</c>, default load settings will be used.</param>
/// <returns>A <see cref="JConstructor"/> that contains the JSON that was read from the specified <see cref="JsonReader"/>.</returns>
public new static JConstructor Load(JsonReader reader, JsonLoadSettings? settings)
{
if (reader.TokenType == JsonToken.None)
{
if (!reader.Read())
{
throw JsonReaderException.Create(reader, "Error reading JConstructor from JsonReader.");
}
}
reader.MoveToContent();
if (reader.TokenType != JsonToken.StartConstructor)
{
throw JsonReaderException.Create(reader, "Error reading JConstructor from JsonReader. Current JsonReader item is not a constructor: {0}".FormatWith(CultureInfo.InvariantCulture, reader.TokenType));
}
JConstructor c = new JConstructor((string)reader.Value!);
c.SetLineInfo(reader as IJsonLineInfo, settings);
c.ReadTokenFrom(reader, settings);
return c;
}
}
}