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

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#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.Generic;
using LC.Newtonsoft.Json.Linq.JsonPath;
#if HAVE_DYNAMIC
using System.Dynamic;
using System.Linq.Expressions;
#endif
using System.IO;
#if HAVE_BIG_INTEGER
using System.Numerics;
#endif
using LC.Newtonsoft.Json.Utilities;
using System.Diagnostics;
using System.Globalization;
using System.Collections;
using System.Runtime.CompilerServices;
using System.Diagnostics.CodeAnalysis;
#if !HAVE_LINQ
using LC.Newtonsoft.Json.Utilities.LinqBridge;
#else
using System.Linq;
#endif
namespace LC.Newtonsoft.Json.Linq
{
/// <summary>
/// Represents an abstract JSON token.
/// </summary>
public abstract partial class JToken : IJEnumerable<JToken>, IJsonLineInfo
#if HAVE_ICLONEABLE
, ICloneable
#endif
#if HAVE_DYNAMIC
, IDynamicMetaObjectProvider
#endif
{
private static JTokenEqualityComparer? _equalityComparer;
private JContainer? _parent;
private JToken? _previous;
private JToken? _next;
private object? _annotations;
private static readonly JTokenType[] BooleanTypes = new[] { JTokenType.Integer, JTokenType.Float, JTokenType.String, JTokenType.Comment, JTokenType.Raw, JTokenType.Boolean };
private static readonly JTokenType[] NumberTypes = new[] { JTokenType.Integer, JTokenType.Float, JTokenType.String, JTokenType.Comment, JTokenType.Raw, JTokenType.Boolean };
#if HAVE_BIG_INTEGER
private static readonly JTokenType[] BigIntegerTypes = new[] { JTokenType.Integer, JTokenType.Float, JTokenType.String, JTokenType.Comment, JTokenType.Raw, JTokenType.Boolean, JTokenType.Bytes };
#endif
private static readonly JTokenType[] StringTypes = new[] { JTokenType.Date, JTokenType.Integer, JTokenType.Float, JTokenType.String, JTokenType.Comment, JTokenType.Raw, JTokenType.Boolean, JTokenType.Bytes, JTokenType.Guid, JTokenType.TimeSpan, JTokenType.Uri };
private static readonly JTokenType[] GuidTypes = new[] { JTokenType.String, JTokenType.Comment, JTokenType.Raw, JTokenType.Guid, JTokenType.Bytes };
private static readonly JTokenType[] TimeSpanTypes = new[] { JTokenType.String, JTokenType.Comment, JTokenType.Raw, JTokenType.TimeSpan };
private static readonly JTokenType[] UriTypes = new[] { JTokenType.String, JTokenType.Comment, JTokenType.Raw, JTokenType.Uri };
private static readonly JTokenType[] CharTypes = new[] { JTokenType.Integer, JTokenType.Float, JTokenType.String, JTokenType.Comment, JTokenType.Raw };
private static readonly JTokenType[] DateTimeTypes = new[] { JTokenType.Date, JTokenType.String, JTokenType.Comment, JTokenType.Raw };
private static readonly JTokenType[] BytesTypes = new[] { JTokenType.Bytes, JTokenType.String, JTokenType.Comment, JTokenType.Raw, JTokenType.Integer };
/// <summary>
/// Gets a comparer that can compare two tokens for value equality.
/// </summary>
/// <value>A <see cref="JTokenEqualityComparer"/> that can compare two nodes for value equality.</value>
public static JTokenEqualityComparer EqualityComparer
{
get
{
if (_equalityComparer == null)
{
_equalityComparer = new JTokenEqualityComparer();
}
return _equalityComparer;
}
}
/// <summary>
/// Gets or sets the parent.
/// </summary>
/// <value>The parent.</value>
public JContainer? Parent
{
[DebuggerStepThrough]
get { return _parent; }
internal set { _parent = value; }
}
/// <summary>
/// Gets the root <see cref="JToken"/> of this <see cref="JToken"/>.
/// </summary>
/// <value>The root <see cref="JToken"/> of this <see cref="JToken"/>.</value>
public JToken Root
{
get
{
JContainer? parent = Parent;
if (parent == null)
{
return this;
}
while (parent.Parent != null)
{
parent = parent.Parent;
}
return parent;
}
}
internal abstract JToken CloneToken();
internal abstract bool DeepEquals(JToken node);
/// <summary>
/// Gets the node type for this <see cref="JToken"/>.
/// </summary>
/// <value>The type.</value>
public abstract JTokenType Type { get; }
/// <summary>
/// Gets a value indicating whether this token has child tokens.
/// </summary>
/// <value>
/// <c>true</c> if this token has child values; otherwise, <c>false</c>.
/// </value>
public abstract bool HasValues { get; }
/// <summary>
/// Compares the values of two tokens, including the values of all descendant tokens.
/// </summary>
/// <param name="t1">The first <see cref="JToken"/> to compare.</param>
/// <param name="t2">The second <see cref="JToken"/> to compare.</param>
/// <returns><c>true</c> if the tokens are equal; otherwise <c>false</c>.</returns>
public static bool DeepEquals(JToken? t1, JToken? t2)
{
return (t1 == t2 || (t1 != null && t2 != null && t1.DeepEquals(t2)));
}
/// <summary>
/// Gets the next sibling token of this node.
/// </summary>
/// <value>The <see cref="JToken"/> that contains the next sibling token.</value>
public JToken? Next
{
get => _next;
internal set => _next = value;
}
/// <summary>
/// Gets the previous sibling token of this node.
/// </summary>
/// <value>The <see cref="JToken"/> that contains the previous sibling token.</value>
public JToken? Previous
{
get => _previous;
internal set => _previous = value;
}
/// <summary>
/// Gets the path of the JSON token.
/// </summary>
public string Path
{
get
{
if (Parent == null)
{
return string.Empty;
}
List<JsonPosition> positions = new List<JsonPosition>();
JToken? previous = null;
for (JToken? current = this; current != null; current = current.Parent)
{
switch (current.Type)
{
case JTokenType.Property:
JProperty property = (JProperty)current;
positions.Add(new JsonPosition(JsonContainerType.Object) { PropertyName = property.Name });
break;
case JTokenType.Array:
case JTokenType.Constructor:
if (previous != null)
{
int index = ((IList<JToken>)current).IndexOf(previous);
positions.Add(new JsonPosition(JsonContainerType.Array) { Position = index });
}
break;
}
previous = current;
}
#if HAVE_FAST_REVERSE
positions.FastReverse();
#else
positions.Reverse();
#endif
return JsonPosition.BuildPath(positions, null);
}
}
internal JToken()
{
}
/// <summary>
/// Adds the specified content immediately after this token.
/// </summary>
/// <param name="content">A content object that contains simple content or a collection of content objects to be added after this token.</param>
public void AddAfterSelf(object? content)
{
if (_parent == null)
{
throw new InvalidOperationException("The parent is missing.");
}
int index = _parent.IndexOfItem(this);
_parent.TryAddInternal(index + 1, content, false);
}
/// <summary>
/// Adds the specified content immediately before this token.
/// </summary>
/// <param name="content">A content object that contains simple content or a collection of content objects to be added before this token.</param>
public void AddBeforeSelf(object? content)
{
if (_parent == null)
{
throw new InvalidOperationException("The parent is missing.");
}
int index = _parent.IndexOfItem(this);
_parent.TryAddInternal(index, content, false);
}
/// <summary>
/// Returns a collection of the ancestor tokens of this token.
/// </summary>
/// <returns>A collection of the ancestor tokens of this token.</returns>
public IEnumerable<JToken> Ancestors()
{
return GetAncestors(false);
}
/// <summary>
/// Returns a collection of tokens that contain this token, and the ancestors of this token.
/// </summary>
/// <returns>A collection of tokens that contain this token, and the ancestors of this token.</returns>
public IEnumerable<JToken> AncestorsAndSelf()
{
return GetAncestors(true);
}
internal IEnumerable<JToken> GetAncestors(bool self)
{
for (JToken? current = self ? this : Parent; current != null; current = current.Parent)
{
yield return current;
}
}
/// <summary>
/// Returns a collection of the sibling tokens after this token, in document order.
/// </summary>
/// <returns>A collection of the sibling tokens after this tokens, in document order.</returns>
public IEnumerable<JToken> AfterSelf()
{
if (Parent == null)
{
yield break;
}
for (JToken? o = Next; o != null; o = o.Next)
{
yield return o;
}
}
/// <summary>
/// Returns a collection of the sibling tokens before this token, in document order.
/// </summary>
/// <returns>A collection of the sibling tokens before this token, in document order.</returns>
public IEnumerable<JToken> BeforeSelf()
{
if (Parent == null)
{
yield break;
}
for (JToken? o = Parent.First; o != this && o != null; o = o.Next)
{
yield return o;
}
}
/// <summary>
/// Gets the <see cref="JToken"/> with the specified key.
/// </summary>
/// <value>The <see cref="JToken"/> with the specified key.</value>
public virtual JToken? this[object key]
{
get => throw new InvalidOperationException("Cannot access child value on {0}.".FormatWith(CultureInfo.InvariantCulture, GetType()));
set => throw new InvalidOperationException("Cannot set child value on {0}.".FormatWith(CultureInfo.InvariantCulture, GetType()));
}
/// <summary>
/// Gets the <see cref="JToken"/> with the specified key converted to the specified type.
/// </summary>
/// <typeparam name="T">The type to convert the token to.</typeparam>
/// <param name="key">The token key.</param>
/// <returns>The converted token value.</returns>
public virtual T? Value<T>(object key)
{
JToken? token = this[key];
// null check to fix MonoTouch issue - https://github.com/dolbz/Newtonsoft.Json/commit/a24e3062846b30ee505f3271ac08862bb471b822
return token == null ? default : Extensions.Convert<JToken, T>(token);
}
/// <summary>
/// Get the first child token of this token.
/// </summary>
/// <value>A <see cref="JToken"/> containing the first child token of the <see cref="JToken"/>.</value>
public virtual JToken? First => throw new InvalidOperationException("Cannot access child value on {0}.".FormatWith(CultureInfo.InvariantCulture, GetType()));
/// <summary>
/// Get the last child token of this token.
/// </summary>
/// <value>A <see cref="JToken"/> containing the last child token of the <see cref="JToken"/>.</value>
public virtual JToken? Last => throw new InvalidOperationException("Cannot access child value on {0}.".FormatWith(CultureInfo.InvariantCulture, GetType()));
/// <summary>
/// Returns a collection of the child tokens of this token, in document order.
/// </summary>
/// <returns>An <see cref="IEnumerable{T}"/> of <see cref="JToken"/> containing the child tokens of this <see cref="JToken"/>, in document order.</returns>
public virtual JEnumerable<JToken> Children()
{
return JEnumerable<JToken>.Empty;
}
/// <summary>
/// Returns a collection of the child tokens of this token, in document order, filtered by the specified type.
/// </summary>
/// <typeparam name="T">The type to filter the child tokens on.</typeparam>
/// <returns>A <see cref="JEnumerable{T}"/> containing the child tokens of this <see cref="JToken"/>, in document order.</returns>
public JEnumerable<T> Children<T>() where T : JToken
{
return new JEnumerable<T>(Children().OfType<T>());
}
/// <summary>
/// Returns a collection of the child values of this token, in document order.
/// </summary>
/// <typeparam name="T">The type to convert the values to.</typeparam>
/// <returns>A <see cref="IEnumerable{T}"/> containing the child values of this <see cref="JToken"/>, in document order.</returns>
public virtual IEnumerable<T?> Values<T>()
{
throw new InvalidOperationException("Cannot access child value on {0}.".FormatWith(CultureInfo.InvariantCulture, GetType()));
}
/// <summary>
/// Removes this token from its parent.
/// </summary>
public void Remove()
{
if (_parent == null)
{
throw new InvalidOperationException("The parent is missing.");
}
_parent.RemoveItem(this);
}
/// <summary>
/// Replaces this token with the specified token.
/// </summary>
/// <param name="value">The value.</param>
public void Replace(JToken value)
{
if (_parent == null)
{
throw new InvalidOperationException("The parent is missing.");
}
_parent.ReplaceItem(this, value);
}
/// <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 abstract void WriteTo(JsonWriter writer, params JsonConverter[] converters);
/// <summary>
/// Returns the indented JSON for this token.
/// </summary>
/// <remarks>
/// <c>ToString()</c> returns a non-JSON string value for tokens with a type of <see cref="JTokenType.String"/>.
/// If you want the JSON for all token types then you should use <see cref="WriteTo(JsonWriter, JsonConverter[])"/>.
/// </remarks>
/// <returns>
/// The indented JSON for this token.
/// </returns>
public override string ToString()
{
return ToString(Formatting.Indented);
}
/// <summary>
/// Returns the JSON for this token using the given formatting and converters.
/// </summary>
/// <param name="formatting">Indicates how the output should be formatted.</param>
/// <param name="converters">A collection of <see cref="JsonConverter"/>s which will be used when writing the token.</param>
/// <returns>The JSON for this token using the given formatting and converters.</returns>
public string ToString(Formatting formatting, params JsonConverter[] converters)
{
using (StringWriter sw = new StringWriter(CultureInfo.InvariantCulture))
{
JsonTextWriter jw = new JsonTextWriter(sw);
jw.Formatting = formatting;
WriteTo(jw, converters);
return sw.ToString();
}
}
private static JValue? EnsureValue(JToken value)
{
if (value == null)
{
throw new ArgumentNullException(nameof(value));
}
if (value is JProperty property)
{
value = property.Value;
}
JValue? v = value as JValue;
return v;
}
private static string GetType(JToken token)
{
ValidationUtils.ArgumentNotNull(token, nameof(token));
if (token is JProperty p)
{
token = p.Value;
}
return token.Type.ToString();
}
private static bool ValidateToken(JToken o, JTokenType[] validTypes, bool nullable)
{
return (Array.IndexOf(validTypes, o.Type) != -1) || (nullable && (o.Type == JTokenType.Null || o.Type == JTokenType.Undefined));
}
#region Cast from operators
/// <summary>
/// Performs an explicit conversion from <see cref="Newtonsoft.Json.Linq.JToken"/> to <see cref="System.Boolean"/>.
/// </summary>
/// <param name="value">The value.</param>
/// <returns>The result of the conversion.</returns>
public static explicit operator bool(JToken value)
{
JValue? v = EnsureValue(value);
if (v == null || !ValidateToken(v, BooleanTypes, false))
{
throw new ArgumentException("Can not convert {0} to Boolean.".FormatWith(CultureInfo.InvariantCulture, GetType(value)));
}
#if HAVE_BIG_INTEGER
if (v.Value is BigInteger integer)
{
return Convert.ToBoolean((int)integer);
}
#endif
return Convert.ToBoolean(v.Value, CultureInfo.InvariantCulture);
}
#if HAVE_DATE_TIME_OFFSET
/// <summary>
/// Performs an explicit conversion from <see cref="Newtonsoft.Json.Linq.JToken"/> to <see cref="System.DateTimeOffset"/>.
/// </summary>
/// <param name="value">The value.</param>
/// <returns>The result of the conversion.</returns>
public static explicit operator DateTimeOffset(JToken value)
{
JValue? v = EnsureValue(value);
if (v == null || !ValidateToken(v, DateTimeTypes, false))
{
throw new ArgumentException("Can not convert {0} to DateTimeOffset.".FormatWith(CultureInfo.InvariantCulture, GetType(value)));
}
if (v.Value is DateTimeOffset offset)
{
return offset;
}
if (v.Value is string s)
{
return DateTimeOffset.Parse(s, CultureInfo.InvariantCulture);
}
return new DateTimeOffset(Convert.ToDateTime(v.Value, CultureInfo.InvariantCulture));
}
#endif
/// <summary>
/// Performs an explicit conversion from <see cref="JToken"/> to <see cref="Nullable{T}"/> of <see cref="Boolean"/>.
/// </summary>
/// <param name="value">The value.</param>
/// <returns>The result of the conversion.</returns>
public static explicit operator bool?(JToken? value)
{
if (value == null)
{
return null;
}
JValue? v = EnsureValue(value);
if (v == null || !ValidateToken(v, BooleanTypes, true))
{
throw new ArgumentException("Can not convert {0} to Boolean.".FormatWith(CultureInfo.InvariantCulture, GetType(value)));
}
#if HAVE_BIG_INTEGER
if (v.Value is BigInteger integer)
{
return Convert.ToBoolean((int)integer);
}
#endif
return (v.Value != null) ? (bool?)Convert.ToBoolean(v.Value, CultureInfo.InvariantCulture) : null;
}
/// <summary>
/// Performs an explicit conversion from <see cref="JToken"/> to <see cref="Nullable{T}"/> of <see cref="Int64"/>.
/// </summary>
/// <param name="value">The value.</param>
/// <returns>The result of the conversion.</returns>
public static explicit operator long(JToken value)
{
JValue? v = EnsureValue(value);
if (v == null || !ValidateToken(v, NumberTypes, false))
{
throw new ArgumentException("Can not convert {0} to Int64.".FormatWith(CultureInfo.InvariantCulture, GetType(value)));
}
#if HAVE_BIG_INTEGER
if (v.Value is BigInteger integer)
{
return (long)integer;
}
#endif
return Convert.ToInt64(v.Value, CultureInfo.InvariantCulture);
}
/// <summary>
/// Performs an explicit conversion from <see cref="JToken"/> to <see cref="Nullable{T}"/> of <see cref="DateTime"/>.
/// </summary>
/// <param name="value">The value.</param>
/// <returns>The result of the conversion.</returns>
public static explicit operator DateTime?(JToken? value)
{
if (value == null)
{
return null;
}
JValue? v = EnsureValue(value);
if (v == null || !ValidateToken(v, DateTimeTypes, true))
{
throw new ArgumentException("Can not convert {0} to DateTime.".FormatWith(CultureInfo.InvariantCulture, GetType(value)));
}
#if HAVE_DATE_TIME_OFFSET
if (v.Value is DateTimeOffset offset)
{
return offset.DateTime;
}
#endif
return (v.Value != null) ? (DateTime?)Convert.ToDateTime(v.Value, CultureInfo.InvariantCulture) : null;
}
#if HAVE_DATE_TIME_OFFSET
/// <summary>
/// Performs an explicit conversion from <see cref="JToken"/> to <see cref="Nullable{T}"/> of <see cref="DateTimeOffset"/>.
/// </summary>
/// <param name="value">The value.</param>
/// <returns>The result of the conversion.</returns>
public static explicit operator DateTimeOffset?(JToken? value)
{
if (value == null)
{
return null;
}
JValue? v = EnsureValue(value);
if (v == null || !ValidateToken(v, DateTimeTypes, true))
{
throw new ArgumentException("Can not convert {0} to DateTimeOffset.".FormatWith(CultureInfo.InvariantCulture, GetType(value)));
}
if (v.Value == null)
{
return null;
}
if (v.Value is DateTimeOffset offset)
{
return offset;
}
if (v.Value is string s)
{
return DateTimeOffset.Parse(s, CultureInfo.InvariantCulture);
}
return new DateTimeOffset(Convert.ToDateTime(v.Value, CultureInfo.InvariantCulture));
}
#endif
/// <summary>
/// Performs an explicit conversion from <see cref="JToken"/> to <see cref="Nullable{T}"/> of <see cref="Decimal"/>.
/// </summary>
/// <param name="value">The value.</param>
/// <returns>The result of the conversion.</returns>
public static explicit operator decimal?(JToken? value)
{
if (value == null)
{
return null;
}
JValue? v = EnsureValue(value);
if (v == null || !ValidateToken(v, NumberTypes, true))
{
throw new ArgumentException("Can not convert {0} to Decimal.".FormatWith(CultureInfo.InvariantCulture, GetType(value)));
}
#if HAVE_BIG_INTEGER
if (v.Value is BigInteger integer)
{
return (decimal?)integer;
}
#endif
return (v.Value != null) ? (decimal?)Convert.ToDecimal(v.Value, CultureInfo.InvariantCulture) : null;
}
/// <summary>
/// Performs an explicit conversion from <see cref="JToken"/> to <see cref="Nullable{T}"/> of <see cref="Double"/>.
/// </summary>
/// <param name="value">The value.</param>
/// <returns>The result of the conversion.</returns>
public static explicit operator double?(JToken? value)
{
if (value == null)
{
return null;
}
JValue? v = EnsureValue(value);
if (v == null || !ValidateToken(v, NumberTypes, true))
{
throw new ArgumentException("Can not convert {0} to Double.".FormatWith(CultureInfo.InvariantCulture, GetType(value)));
}
#if HAVE_BIG_INTEGER
if (v.Value is BigInteger integer)
{
return (double?)integer;
}
#endif
return (v.Value != null) ? (double?)Convert.ToDouble(v.Value, CultureInfo.InvariantCulture) : null;
}
/// <summary>
/// Performs an explicit conversion from <see cref="JToken"/> to <see cref="Nullable{T}"/> of <see cref="Char"/>.
/// </summary>
/// <param name="value">The value.</param>
/// <returns>The result of the conversion.</returns>
public static explicit operator char?(JToken? value)
{
if (value == null)
{
return null;
}
JValue? v = EnsureValue(value);
if (v == null || !ValidateToken(v, CharTypes, true))
{
throw new ArgumentException("Can not convert {0} to Char.".FormatWith(CultureInfo.InvariantCulture, GetType(value)));
}
#if HAVE_BIG_INTEGER
if (v.Value is BigInteger integer)
{
return (char?)integer;
}
#endif
return (v.Value != null) ? (char?)Convert.ToChar(v.Value, CultureInfo.InvariantCulture) : null;
}
/// <summary>
/// Performs an explicit conversion from <see cref="JToken"/> to <see cref="Int32"/>.
/// </summary>
/// <param name="value">The value.</param>
/// <returns>The result of the conversion.</returns>
public static explicit operator int(JToken value)
{
JValue? v = EnsureValue(value);
if (v == null || !ValidateToken(v, NumberTypes, false))
{
throw new ArgumentException("Can not convert {0} to Int32.".FormatWith(CultureInfo.InvariantCulture, GetType(value)));
}
#if HAVE_BIG_INTEGER
if (v.Value is BigInteger integer)
{
return (int)integer;
}
#endif
return Convert.ToInt32(v.Value, CultureInfo.InvariantCulture);
}
/// <summary>
/// Performs an explicit conversion from <see cref="JToken"/> to <see cref="Int16"/>.
/// </summary>
/// <param name="value">The value.</param>
/// <returns>The result of the conversion.</returns>
public static explicit operator short(JToken value)
{
JValue? v = EnsureValue(value);
if (v == null || !ValidateToken(v, NumberTypes, false))
{
throw new ArgumentException("Can not convert {0} to Int16.".FormatWith(CultureInfo.InvariantCulture, GetType(value)));
}
#if HAVE_BIG_INTEGER
if (v.Value is BigInteger integer)
{
return (short)integer;
}
#endif
return Convert.ToInt16(v.Value, CultureInfo.InvariantCulture);
}
/// <summary>
/// Performs an explicit conversion from <see cref="JToken"/> to <see cref="UInt16"/>.
/// </summary>
/// <param name="value">The value.</param>
/// <returns>The result of the conversion.</returns>
[CLSCompliant(false)]
public static explicit operator ushort(JToken value)
{
JValue? v = EnsureValue(value);
if (v == null || !ValidateToken(v, NumberTypes, false))
{
throw new ArgumentException("Can not convert {0} to UInt16.".FormatWith(CultureInfo.InvariantCulture, GetType(value)));
}
#if HAVE_BIG_INTEGER
if (v.Value is BigInteger integer)
{
return (ushort)integer;
}
#endif
return Convert.ToUInt16(v.Value, CultureInfo.InvariantCulture);
}
/// <summary>
/// Performs an explicit conversion from <see cref="JToken"/> to <see cref="Char"/>.
/// </summary>
/// <param name="value">The value.</param>
/// <returns>The result of the conversion.</returns>
[CLSCompliant(false)]
public static explicit operator char(JToken value)
{
JValue? v = EnsureValue(value);
if (v == null || !ValidateToken(v, CharTypes, false))
{
throw new ArgumentException("Can not convert {0} to Char.".FormatWith(CultureInfo.InvariantCulture, GetType(value)));
}
#if HAVE_BIG_INTEGER
if (v.Value is BigInteger integer)
{
return (char)integer;
}
#endif
return Convert.ToChar(v.Value, CultureInfo.InvariantCulture);
}
/// <summary>
/// Performs an explicit conversion from <see cref="JToken"/> to <see cref="Byte"/>.
/// </summary>
/// <param name="value">The value.</param>
/// <returns>The result of the conversion.</returns>
public static explicit operator byte(JToken value)
{
JValue? v = EnsureValue(value);
if (v == null || !ValidateToken(v, NumberTypes, false))
{
throw new ArgumentException("Can not convert {0} to Byte.".FormatWith(CultureInfo.InvariantCulture, GetType(value)));
}
#if HAVE_BIG_INTEGER
if (v.Value is BigInteger integer)
{
return (byte)integer;
}
#endif
return Convert.ToByte(v.Value, CultureInfo.InvariantCulture);
}
/// <summary>
/// Performs an explicit conversion from <see cref="Newtonsoft.Json.Linq.JToken"/> to <see cref="System.SByte"/>.
/// </summary>
/// <param name="value">The value.</param>
/// <returns>The result of the conversion.</returns>
[CLSCompliant(false)]
public static explicit operator sbyte(JToken value)
{
JValue? v = EnsureValue(value);
if (v == null || !ValidateToken(v, NumberTypes, false))
{
throw new ArgumentException("Can not convert {0} to SByte.".FormatWith(CultureInfo.InvariantCulture, GetType(value)));
}
#if HAVE_BIG_INTEGER
if (v.Value is BigInteger integer)
{
return (sbyte)integer;
}
#endif
return Convert.ToSByte(v.Value, CultureInfo.InvariantCulture);
}
/// <summary>
/// Performs an explicit conversion from <see cref="JToken"/> to <see cref="Nullable{T}"/> of <see cref="Int32"/> .
/// </summary>
/// <param name="value">The value.</param>
/// <returns>The result of the conversion.</returns>
public static explicit operator int?(JToken? value)
{
if (value == null)
{
return null;
}
JValue? v = EnsureValue(value);
if (v == null || !ValidateToken(v, NumberTypes, true))
{
throw new ArgumentException("Can not convert {0} to Int32.".FormatWith(CultureInfo.InvariantCulture, GetType(value)));
}
#if HAVE_BIG_INTEGER
if (v.Value is BigInteger integer)
{
return (int?)integer;
}
#endif
return (v.Value != null) ? (int?)Convert.ToInt32(v.Value, CultureInfo.InvariantCulture) : null;
}
/// <summary>
/// Performs an explicit conversion from <see cref="JToken"/> to <see cref="Nullable{T}"/> of <see cref="Int16"/>.
/// </summary>
/// <param name="value">The value.</param>
/// <returns>The result of the conversion.</returns>
public static explicit operator short?(JToken? value)
{
if (value == null)
{
return null;
}
JValue? v = EnsureValue(value);
if (v == null || !ValidateToken(v, NumberTypes, true))
{
throw new ArgumentException("Can not convert {0} to Int16.".FormatWith(CultureInfo.InvariantCulture, GetType(value)));
}
#if HAVE_BIG_INTEGER
if (v.Value is BigInteger integer)
{
return (short?)integer;
}
#endif
return (v.Value != null) ? (short?)Convert.ToInt16(v.Value, CultureInfo.InvariantCulture) : null;
}
/// <summary>
/// Performs an explicit conversion from <see cref="JToken"/> to <see cref="Nullable{T}"/> of <see cref="UInt16"/>.
/// </summary>
/// <param name="value">The value.</param>
/// <returns>The result of the conversion.</returns>
[CLSCompliant(false)]
public static explicit operator ushort?(JToken? value)
{
if (value == null)
{
return null;
}
JValue? v = EnsureValue(value);
if (v == null || !ValidateToken(v, NumberTypes, true))
{
throw new ArgumentException("Can not convert {0} to UInt16.".FormatWith(CultureInfo.InvariantCulture, GetType(value)));
}
#if HAVE_BIG_INTEGER
if (v.Value is BigInteger integer)
{
return (ushort?)integer;
}
#endif
return (v.Value != null) ? (ushort?)Convert.ToUInt16(v.Value, CultureInfo.InvariantCulture) : null;
}
/// <summary>
/// Performs an explicit conversion from <see cref="JToken"/> to <see cref="Nullable{T}"/> of <see cref="Byte"/>.
/// </summary>
/// <param name="value">The value.</param>
/// <returns>The result of the conversion.</returns>
public static explicit operator byte?(JToken? value)
{
if (value == null)
{
return null;
}
JValue? v = EnsureValue(value);
if (v == null || !ValidateToken(v, NumberTypes, true))
{
throw new ArgumentException("Can not convert {0} to Byte.".FormatWith(CultureInfo.InvariantCulture, GetType(value)));
}
#if HAVE_BIG_INTEGER
if (v.Value is BigInteger integer)
{
return (byte?)integer;
}
#endif
return (v.Value != null) ? (byte?)Convert.ToByte(v.Value, CultureInfo.InvariantCulture) : null;
}
/// <summary>
/// Performs an explicit conversion from <see cref="JToken"/> to <see cref="Nullable{T}"/> of <see cref="SByte"/>.
/// </summary>
/// <param name="value">The value.</param>
/// <returns>The result of the conversion.</returns>
[CLSCompliant(false)]
public static explicit operator sbyte?(JToken? value)
{
if (value == null)
{
return null;
}
JValue? v = EnsureValue(value);
if (v == null || !ValidateToken(v, NumberTypes, true))
{
throw new ArgumentException("Can not convert {0} to SByte.".FormatWith(CultureInfo.InvariantCulture, GetType(value)));
}
#if HAVE_BIG_INTEGER
if (v.Value is BigInteger integer)
{
return (sbyte?)integer;
}
#endif
return (v.Value != null) ? (sbyte?)Convert.ToSByte(v.Value, CultureInfo.InvariantCulture) : null;
}
/// <summary>
/// Performs an explicit conversion from <see cref="JToken"/> to <see cref="Nullable{T}"/> of <see cref="DateTime"/>.
/// </summary>
/// <param name="value">The value.</param>
/// <returns>The result of the conversion.</returns>
public static explicit operator DateTime(JToken value)
{
JValue? v = EnsureValue(value);
if (v == null || !ValidateToken(v, DateTimeTypes, false))
{
throw new ArgumentException("Can not convert {0} to DateTime.".FormatWith(CultureInfo.InvariantCulture, GetType(value)));
}
#if HAVE_DATE_TIME_OFFSET
if (v.Value is DateTimeOffset offset)
{
return offset.DateTime;
}
#endif
return Convert.ToDateTime(v.Value, CultureInfo.InvariantCulture);
}
/// <summary>
/// Performs an explicit conversion from <see cref="JToken"/> to <see cref="Nullable{T}"/> of <see cref="Int64"/>.
/// </summary>
/// <param name="value">The value.</param>
/// <returns>The result of the conversion.</returns>
public static explicit operator long?(JToken? value)
{
if (value == null)
{
return null;
}
JValue? v = EnsureValue(value);
if (v == null || !ValidateToken(v, NumberTypes, true))
{
throw new ArgumentException("Can not convert {0} to Int64.".FormatWith(CultureInfo.InvariantCulture, GetType(value)));
}
#if HAVE_BIG_INTEGER
if (v.Value is BigInteger integer)
{
return (long?)integer;
}
#endif
return (v.Value != null) ? (long?)Convert.ToInt64(v.Value, CultureInfo.InvariantCulture) : null;
}
/// <summary>
/// Performs an explicit conversion from <see cref="JToken"/> to <see cref="Nullable{T}"/> of <see cref="Single"/>.
/// </summary>
/// <param name="value">The value.</param>
/// <returns>The result of the conversion.</returns>
public static explicit operator float?(JToken? value)
{
if (value == null)
{
return null;
}
JValue? v = EnsureValue(value);
if (v == null || !ValidateToken(v, NumberTypes, true))
{
throw new ArgumentException("Can not convert {0} to Single.".FormatWith(CultureInfo.InvariantCulture, GetType(value)));
}
#if HAVE_BIG_INTEGER
if (v.Value is BigInteger integer)
{
return (float?)integer;
}
#endif
return (v.Value != null) ? (float?)Convert.ToSingle(v.Value, CultureInfo.InvariantCulture) : null;
}
/// <summary>
/// Performs an explicit conversion from <see cref="JToken"/> to <see cref="Decimal"/>.
/// </summary>
/// <param name="value">The value.</param>
/// <returns>The result of the conversion.</returns>
public static explicit operator decimal(JToken value)
{
JValue? v = EnsureValue(value);
if (v == null || !ValidateToken(v, NumberTypes, false))
{
throw new ArgumentException("Can not convert {0} to Decimal.".FormatWith(CultureInfo.InvariantCulture, GetType(value)));
}
#if HAVE_BIG_INTEGER
if (v.Value is BigInteger integer)
{
return (decimal)integer;
}
#endif
return Convert.ToDecimal(v.Value, CultureInfo.InvariantCulture);
}
/// <summary>
/// Performs an explicit conversion from <see cref="JToken"/> to <see cref="Nullable{T}"/> of <see cref="UInt32"/>.
/// </summary>
/// <param name="value">The value.</param>
/// <returns>The result of the conversion.</returns>
[CLSCompliant(false)]
public static explicit operator uint?(JToken? value)
{
if (value == null)
{
return null;
}
JValue? v = EnsureValue(value);
if (v == null || !ValidateToken(v, NumberTypes, true))
{
throw new ArgumentException("Can not convert {0} to UInt32.".FormatWith(CultureInfo.InvariantCulture, GetType(value)));
}
#if HAVE_BIG_INTEGER
if (v.Value is BigInteger integer)
{
return (uint?)integer;
}
#endif
return (v.Value != null) ? (uint?)Convert.ToUInt32(v.Value, CultureInfo.InvariantCulture) : null;
}
/// <summary>
/// Performs an explicit conversion from <see cref="JToken"/> to <see cref="Nullable{T}"/> of <see cref="UInt64"/>.
/// </summary>
/// <param name="value">The value.</param>
/// <returns>The result of the conversion.</returns>
[CLSCompliant(false)]
public static explicit operator ulong?(JToken? value)
{
if (value == null)
{
return null;
}
JValue? v = EnsureValue(value);
if (v == null || !ValidateToken(v, NumberTypes, true))
{
throw new ArgumentException("Can not convert {0} to UInt64.".FormatWith(CultureInfo.InvariantCulture, GetType(value)));
}
#if HAVE_BIG_INTEGER
if (v.Value is BigInteger integer)
{
return (ulong?)integer;
}
#endif
return (v.Value != null) ? (ulong?)Convert.ToUInt64(v.Value, CultureInfo.InvariantCulture) : null;
}
/// <summary>
/// Performs an explicit conversion from <see cref="JToken"/> to <see cref="Double"/>.
/// </summary>
/// <param name="value">The value.</param>
/// <returns>The result of the conversion.</returns>
public static explicit operator double(JToken value)
{
JValue? v = EnsureValue(value);
if (v == null || !ValidateToken(v, NumberTypes, false))
{
throw new ArgumentException("Can not convert {0} to Double.".FormatWith(CultureInfo.InvariantCulture, GetType(value)));
}
#if HAVE_BIG_INTEGER
if (v.Value is BigInteger integer)
{
return (double)integer;
}
#endif
return Convert.ToDouble(v.Value, CultureInfo.InvariantCulture);
}
/// <summary>
/// Performs an explicit conversion from <see cref="JToken"/> to <see cref="Single"/>.
/// </summary>
/// <param name="value">The value.</param>
/// <returns>The result of the conversion.</returns>
public static explicit operator float(JToken value)
{
JValue? v = EnsureValue(value);
if (v == null || !ValidateToken(v, NumberTypes, false))
{
throw new ArgumentException("Can not convert {0} to Single.".FormatWith(CultureInfo.InvariantCulture, GetType(value)));
}
#if HAVE_BIG_INTEGER
if (v.Value is BigInteger integer)
{
return (float)integer;
}
#endif
return Convert.ToSingle(v.Value, CultureInfo.InvariantCulture);
}
/// <summary>
/// Performs an explicit conversion from <see cref="JToken"/> to <see cref="String"/>.
/// </summary>
/// <param name="value">The value.</param>
/// <returns>The result of the conversion.</returns>
public static explicit operator string?(JToken? value)
{
if (value == null)
{
return null;
}
JValue? v = EnsureValue(value);
if (v == null || !ValidateToken(v, StringTypes, true))
{
throw new ArgumentException("Can not convert {0} to String.".FormatWith(CultureInfo.InvariantCulture, GetType(value)));
}
if (v.Value == null)
{
return null;
}
if (v.Value is byte[] bytes)
{
return Convert.ToBase64String(bytes);
}
#if HAVE_BIG_INTEGER
if (v.Value is BigInteger integer)
{
return integer.ToString(CultureInfo.InvariantCulture);
}
#endif
return Convert.ToString(v.Value, CultureInfo.InvariantCulture);
}
/// <summary>
/// Performs an explicit conversion from <see cref="JToken"/> to <see cref="UInt32"/>.
/// </summary>
/// <param name="value">The value.</param>
/// <returns>The result of the conversion.</returns>
[CLSCompliant(false)]
public static explicit operator uint(JToken value)
{
JValue? v = EnsureValue(value);
if (v == null || !ValidateToken(v, NumberTypes, false))
{
throw new ArgumentException("Can not convert {0} to UInt32.".FormatWith(CultureInfo.InvariantCulture, GetType(value)));
}
#if HAVE_BIG_INTEGER
if (v.Value is BigInteger integer)
{
return (uint)integer;
}
#endif
return Convert.ToUInt32(v.Value, CultureInfo.InvariantCulture);
}
/// <summary>
/// Performs an explicit conversion from <see cref="Newtonsoft.Json.Linq.JToken"/> to <see cref="System.UInt64"/>.
/// </summary>
/// <param name="value">The value.</param>
/// <returns>The result of the conversion.</returns>
[CLSCompliant(false)]
public static explicit operator ulong(JToken value)
{
JValue? v = EnsureValue(value);
if (v == null || !ValidateToken(v, NumberTypes, false))
{
throw new ArgumentException("Can not convert {0} to UInt64.".FormatWith(CultureInfo.InvariantCulture, GetType(value)));
}
#if HAVE_BIG_INTEGER
if (v.Value is BigInteger integer)
{
return (ulong)integer;
}
#endif
return Convert.ToUInt64(v.Value, CultureInfo.InvariantCulture);
}
/// <summary>
/// Performs an explicit conversion from <see cref="JToken"/> to <see cref="Byte"/>[].
/// </summary>
/// <param name="value">The value.</param>
/// <returns>The result of the conversion.</returns>
public static explicit operator byte[]?(JToken? value)
{
if (value == null)
{
return null;
}
JValue? v = EnsureValue(value);
if (v == null || !ValidateToken(v, BytesTypes, false))
{
throw new ArgumentException("Can not convert {0} to byte array.".FormatWith(CultureInfo.InvariantCulture, GetType(value)));
}
if (v.Value is string)
{
return Convert.FromBase64String(Convert.ToString(v.Value, CultureInfo.InvariantCulture));
}
#if HAVE_BIG_INTEGER
if (v.Value is BigInteger integer)
{
return integer.ToByteArray();
}
#endif
if (v.Value is byte[] bytes)
{
return bytes;
}
throw new ArgumentException("Can not convert {0} to byte array.".FormatWith(CultureInfo.InvariantCulture, GetType(value)));
}
/// <summary>
/// Performs an explicit conversion from <see cref="JToken"/> to <see cref="Guid"/>.
/// </summary>
/// <param name="value">The value.</param>
/// <returns>The result of the conversion.</returns>
public static explicit operator Guid(JToken value)
{
JValue? v = EnsureValue(value);
if (v == null || !ValidateToken(v, GuidTypes, false))
{
throw new ArgumentException("Can not convert {0} to Guid.".FormatWith(CultureInfo.InvariantCulture, GetType(value)));
}
if (v.Value is byte[] bytes)
{
return new Guid(bytes);
}
return (v.Value is Guid guid) ? guid : new Guid(Convert.ToString(v.Value, CultureInfo.InvariantCulture));
}
/// <summary>
/// Performs an explicit conversion from <see cref="JToken"/> to <see cref="Nullable{T}"/> of <see cref="Guid"/> .
/// </summary>
/// <param name="value">The value.</param>
/// <returns>The result of the conversion.</returns>
public static explicit operator Guid?(JToken? value)
{
if (value == null)
{
return null;
}
JValue? v = EnsureValue(value);
if (v == null || !ValidateToken(v, GuidTypes, true))
{
throw new ArgumentException("Can not convert {0} to Guid.".FormatWith(CultureInfo.InvariantCulture, GetType(value)));
}
if (v.Value == null)
{
return null;
}
if (v.Value is byte[] bytes)
{
return new Guid(bytes);
}
return (v.Value is Guid guid) ? guid : new Guid(Convert.ToString(v.Value, CultureInfo.InvariantCulture));
}
/// <summary>
/// Performs an explicit conversion from <see cref="JToken"/> to <see cref="TimeSpan"/>.
/// </summary>
/// <param name="value">The value.</param>
/// <returns>The result of the conversion.</returns>
public static explicit operator TimeSpan(JToken value)
{
JValue? v = EnsureValue(value);
if (v == null || !ValidateToken(v, TimeSpanTypes, false))
{
throw new ArgumentException("Can not convert {0} to TimeSpan.".FormatWith(CultureInfo.InvariantCulture, GetType(value)));
}
return (v.Value is TimeSpan span) ? span : ConvertUtils.ParseTimeSpan(Convert.ToString(v.Value, CultureInfo.InvariantCulture));
}
/// <summary>
/// Performs an explicit conversion from <see cref="JToken"/> to <see cref="Nullable{T}"/> of <see cref="TimeSpan"/>.
/// </summary>
/// <param name="value">The value.</param>
/// <returns>The result of the conversion.</returns>
public static explicit operator TimeSpan?(JToken? value)
{
if (value == null)
{
return null;
}
JValue? v = EnsureValue(value);
if (v == null || !ValidateToken(v, TimeSpanTypes, true))
{
throw new ArgumentException("Can not convert {0} to TimeSpan.".FormatWith(CultureInfo.InvariantCulture, GetType(value)));
}
if (v.Value == null)
{
return null;
}
return (v.Value is TimeSpan span) ? span : ConvertUtils.ParseTimeSpan(Convert.ToString(v.Value, CultureInfo.InvariantCulture));
}
/// <summary>
/// Performs an explicit conversion from <see cref="JToken"/> to <see cref="Uri"/>.
/// </summary>
/// <param name="value">The value.</param>
/// <returns>The result of the conversion.</returns>
public static explicit operator Uri?(JToken? value)
{
if (value == null)
{
return null;
}
JValue? v = EnsureValue(value);
if (v == null || !ValidateToken(v, UriTypes, true))
{
throw new ArgumentException("Can not convert {0} to Uri.".FormatWith(CultureInfo.InvariantCulture, GetType(value)));
}
if (v.Value == null)
{
return null;
}
return (v.Value is Uri uri) ? uri : new Uri(Convert.ToString(v.Value, CultureInfo.InvariantCulture));
}
#if HAVE_BIG_INTEGER
private static BigInteger ToBigInteger(JToken value)
{
JValue? v = EnsureValue(value);
if (v == null || !ValidateToken(v, BigIntegerTypes, false))
{
throw new ArgumentException("Can not convert {0} to BigInteger.".FormatWith(CultureInfo.InvariantCulture, GetType(value)));
}
return ConvertUtils.ToBigInteger(v.Value!);
}
private static BigInteger? ToBigIntegerNullable(JToken value)
{
JValue? v = EnsureValue(value);
if (v == null || !ValidateToken(v, BigIntegerTypes, true))
{
throw new ArgumentException("Can not convert {0} to BigInteger.".FormatWith(CultureInfo.InvariantCulture, GetType(value)));
}
if (v.Value == null)
{
return null;
}
return ConvertUtils.ToBigInteger(v.Value);
}
#endif
#endregion
#region Cast to operators
/// <summary>
/// Performs an implicit conversion from <see cref="Boolean"/> to <see cref="JToken"/>.
/// </summary>
/// <param name="value">The value to create a <see cref="JValue"/> from.</param>
/// <returns>The <see cref="JValue"/> initialized with the specified value.</returns>
public static implicit operator JToken(bool value)
{
return new JValue(value);
}
#if HAVE_DATE_TIME_OFFSET
/// <summary>
/// Performs an implicit conversion from <see cref="DateTimeOffset"/> to <see cref="JToken"/>.
/// </summary>
/// <param name="value">The value to create a <see cref="JValue"/> from.</param>
/// <returns>The <see cref="JValue"/> initialized with the specified value.</returns>
public static implicit operator JToken(DateTimeOffset value)
{
return new JValue(value);
}
#endif
/// <summary>
/// Performs an implicit conversion from <see cref="Byte"/> to <see cref="JToken"/>.
/// </summary>
/// <param name="value">The value to create a <see cref="JValue"/> from.</param>
/// <returns>The <see cref="JValue"/> initialized with the specified value.</returns>
public static implicit operator JToken(byte value)
{
return new JValue(value);
}
/// <summary>
/// Performs an implicit conversion from <see cref="Nullable{T}"/> of <see cref="Byte"/> to <see cref="JToken"/>.
/// </summary>
/// <param name="value">The value to create a <see cref="JValue"/> from.</param>
/// <returns>The <see cref="JValue"/> initialized with the specified value.</returns>
public static implicit operator JToken(byte? value)
{
return new JValue(value);
}
/// <summary>
/// Performs an implicit conversion from <see cref="SByte"/> to <see cref="JToken"/>.
/// </summary>
/// <param name="value">The value to create a <see cref="JValue"/> from.</param>
/// <returns>The <see cref="JValue"/> initialized with the specified value.</returns>
[CLSCompliant(false)]
public static implicit operator JToken(sbyte value)
{
return new JValue(value);
}
/// <summary>
/// Performs an implicit conversion from <see cref="Nullable{T}"/> of <see cref="SByte"/> to <see cref="JToken"/>.
/// </summary>
/// <param name="value">The value to create a <see cref="JValue"/> from.</param>
/// <returns>The <see cref="JValue"/> initialized with the specified value.</returns>
[CLSCompliant(false)]
public static implicit operator JToken(sbyte? value)
{
return new JValue(value);
}
/// <summary>
/// Performs an implicit conversion from <see cref="Nullable{T}"/> of <see cref="Boolean"/> to <see cref="JToken"/>.
/// </summary>
/// <param name="value">The value to create a <see cref="JValue"/> from.</param>
/// <returns>The <see cref="JValue"/> initialized with the specified value.</returns>
public static implicit operator JToken(bool? value)
{
return new JValue(value);
}
/// <summary>
/// Performs an implicit conversion from <see cref="Nullable{T}"/> of <see cref="Int64"/> to <see cref="JToken"/>.
/// </summary>
/// <param name="value">The value to create a <see cref="JValue"/> from.</param>
/// <returns>The <see cref="JValue"/> initialized with the specified value.</returns>
public static implicit operator JToken(long value)
{
return new JValue(value);
}
/// <summary>
/// Performs an implicit conversion from <see cref="Nullable{T}"/> of <see cref="DateTime"/> to <see cref="JToken"/>.
/// </summary>
/// <param name="value">The value to create a <see cref="JValue"/> from.</param>
/// <returns>The <see cref="JValue"/> initialized with the specified value.</returns>
public static implicit operator JToken(DateTime? value)
{
return new JValue(value);
}
#if HAVE_DATE_TIME_OFFSET
/// <summary>
/// Performs an implicit conversion from <see cref="Nullable{T}"/> of <see cref="DateTimeOffset"/> to <see cref="JToken"/>.
/// </summary>
/// <param name="value">The value to create a <see cref="JValue"/> from.</param>
/// <returns>The <see cref="JValue"/> initialized with the specified value.</returns>
public static implicit operator JToken(DateTimeOffset? value)
{
return new JValue(value);
}
#endif
/// <summary>
/// Performs an implicit conversion from <see cref="Nullable{T}"/> of <see cref="Decimal"/> to <see cref="JToken"/>.
/// </summary>
/// <param name="value">The value to create a <see cref="JValue"/> from.</param>
/// <returns>The <see cref="JValue"/> initialized with the specified value.</returns>
public static implicit operator JToken(decimal? value)
{
return new JValue(value);
}
/// <summary>
/// Performs an implicit conversion from <see cref="Nullable{T}"/> of <see cref="Double"/> to <see cref="JToken"/>.
/// </summary>
/// <param name="value">The value to create a <see cref="JValue"/> from.</param>
/// <returns>The <see cref="JValue"/> initialized with the specified value.</returns>
public static implicit operator JToken(double? value)
{
return new JValue(value);
}
/// <summary>
/// Performs an implicit conversion from <see cref="Int16"/> to <see cref="JToken"/>.
/// </summary>
/// <param name="value">The value to create a <see cref="JValue"/> from.</param>
/// <returns>The <see cref="JValue"/> initialized with the specified value.</returns>
[CLSCompliant(false)]
public static implicit operator JToken(short value)
{
return new JValue(value);
}
/// <summary>
/// Performs an implicit conversion from <see cref="UInt16"/> to <see cref="JToken"/>.
/// </summary>
/// <param name="value">The value to create a <see cref="JValue"/> from.</param>
/// <returns>The <see cref="JValue"/> initialized with the specified value.</returns>
[CLSCompliant(false)]
public static implicit operator JToken(ushort value)
{
return new JValue(value);
}
/// <summary>
/// Performs an implicit conversion from <see cref="Int32"/> to <see cref="JToken"/>.
/// </summary>
/// <param name="value">The value to create a <see cref="JValue"/> from.</param>
/// <returns>The <see cref="JValue"/> initialized with the specified value.</returns>
public static implicit operator JToken(int value)
{
return new JValue(value);
}
/// <summary>
/// Performs an implicit conversion from <see cref="Nullable{T}"/> of <see cref="Int32"/> to <see cref="JToken"/>.
/// </summary>
/// <param name="value">The value to create a <see cref="JValue"/> from.</param>
/// <returns>The <see cref="JValue"/> initialized with the specified value.</returns>
public static implicit operator JToken(int? value)
{
return new JValue(value);
}
/// <summary>
/// Performs an implicit conversion from <see cref="DateTime"/> to <see cref="JToken"/>.
/// </summary>
/// <param name="value">The value to create a <see cref="JValue"/> from.</param>
/// <returns>The <see cref="JValue"/> initialized with the specified value.</returns>
public static implicit operator JToken(DateTime value)
{
return new JValue(value);
}
/// <summary>
/// Performs an implicit conversion from <see cref="Nullable{T}"/> of <see cref="Int64"/> to <see cref="JToken"/>.
/// </summary>
/// <param name="value">The value to create a <see cref="JValue"/> from.</param>
/// <returns>The <see cref="JValue"/> initialized with the specified value.</returns>
public static implicit operator JToken(long? value)
{
return new JValue(value);
}
/// <summary>
/// Performs an implicit conversion from <see cref="Nullable{T}"/> of <see cref="Single"/> to <see cref="JToken"/>.
/// </summary>
/// <param name="value">The value to create a <see cref="JValue"/> from.</param>
/// <returns>The <see cref="JValue"/> initialized with the specified value.</returns>
public static implicit operator JToken(float? value)
{
return new JValue(value);
}
/// <summary>
/// Performs an implicit conversion from <see cref="Decimal"/> to <see cref="JToken"/>.
/// </summary>
/// <param name="value">The value to create a <see cref="JValue"/> from.</param>
/// <returns>The <see cref="JValue"/> initialized with the specified value.</returns>
public static implicit operator JToken(decimal value)
{
return new JValue(value);
}
/// <summary>
/// Performs an implicit conversion from <see cref="Nullable{T}"/> of <see cref="Int16"/> to <see cref="JToken"/>.
/// </summary>
/// <param name="value">The value to create a <see cref="JValue"/> from.</param>
/// <returns>The <see cref="JValue"/> initialized with the specified value.</returns>
[CLSCompliant(false)]
public static implicit operator JToken(short? value)
{
return new JValue(value);
}
/// <summary>
/// Performs an implicit conversion from <see cref="Nullable{T}"/> of <see cref="UInt16"/> to <see cref="JToken"/>.
/// </summary>
/// <param name="value">The value to create a <see cref="JValue"/> from.</param>
/// <returns>The <see cref="JValue"/> initialized with the specified value.</returns>
[CLSCompliant(false)]
public static implicit operator JToken(ushort? value)
{
return new JValue(value);
}
/// <summary>
/// Performs an implicit conversion from <see cref="Nullable{T}"/> of <see cref="UInt32"/> to <see cref="JToken"/>.
/// </summary>
/// <param name="value">The value to create a <see cref="JValue"/> from.</param>
/// <returns>The <see cref="JValue"/> initialized with the specified value.</returns>
[CLSCompliant(false)]
public static implicit operator JToken(uint? value)
{
return new JValue(value);
}
/// <summary>
/// Performs an implicit conversion from <see cref="Nullable{T}"/> of <see cref="UInt64"/> to <see cref="JToken"/>.
/// </summary>
/// <param name="value">The value to create a <see cref="JValue"/> from.</param>
/// <returns>The <see cref="JValue"/> initialized with the specified value.</returns>
[CLSCompliant(false)]
public static implicit operator JToken(ulong? value)
{
return new JValue(value);
}
/// <summary>
/// Performs an implicit conversion from <see cref="Double"/> to <see cref="JToken"/>.
/// </summary>
/// <param name="value">The value to create a <see cref="JValue"/> from.</param>
/// <returns>The <see cref="JValue"/> initialized with the specified value.</returns>
public static implicit operator JToken(double value)
{
return new JValue(value);
}
/// <summary>
/// Performs an implicit conversion from <see cref="Single"/> to <see cref="JToken"/>.
/// </summary>
/// <param name="value">The value to create a <see cref="JValue"/> from.</param>
/// <returns>The <see cref="JValue"/> initialized with the specified value.</returns>
public static implicit operator JToken(float value)
{
return new JValue(value);
}
/// <summary>
/// Performs an implicit conversion from <see cref="String"/> to <see cref="JToken"/>.
/// </summary>
/// <param name="value">The value to create a <see cref="JValue"/> from.</param>
/// <returns>The <see cref="JValue"/> initialized with the specified value.</returns>
public static implicit operator JToken(string? value)
{
return new JValue(value);
}
/// <summary>
/// Performs an implicit conversion from <see cref="UInt32"/> to <see cref="JToken"/>.
/// </summary>
/// <param name="value">The value to create a <see cref="JValue"/> from.</param>
/// <returns>The <see cref="JValue"/> initialized with the specified value.</returns>
[CLSCompliant(false)]
public static implicit operator JToken(uint value)
{
return new JValue(value);
}
/// <summary>
/// Performs an implicit conversion from <see cref="UInt64"/> to <see cref="JToken"/>.
/// </summary>
/// <param name="value">The value to create a <see cref="JValue"/> from.</param>
/// <returns>The <see cref="JValue"/> initialized with the specified value.</returns>
[CLSCompliant(false)]
public static implicit operator JToken(ulong value)
{
return new JValue(value);
}
/// <summary>
/// Performs an implicit conversion from <see cref="Byte"/>[] to <see cref="JToken"/>.
/// </summary>
/// <param name="value">The value to create a <see cref="JValue"/> from.</param>
/// <returns>The <see cref="JValue"/> initialized with the specified value.</returns>
public static implicit operator JToken(byte[] value)
{
return new JValue(value);
}
/// <summary>
/// Performs an implicit conversion from <see cref="Uri"/> to <see cref="JToken"/>.
/// </summary>
/// <param name="value">The value to create a <see cref="JValue"/> from.</param>
/// <returns>The <see cref="JValue"/> initialized with the specified value.</returns>
public static implicit operator JToken(Uri? value)
{
return new JValue(value);
}
/// <summary>
/// Performs an implicit conversion from <see cref="TimeSpan"/> to <see cref="JToken"/>.
/// </summary>
/// <param name="value">The value to create a <see cref="JValue"/> from.</param>
/// <returns>The <see cref="JValue"/> initialized with the specified value.</returns>
public static implicit operator JToken(TimeSpan value)
{
return new JValue(value);
}
/// <summary>
/// Performs an implicit conversion from <see cref="Nullable{T}"/> of <see cref="TimeSpan"/> to <see cref="JToken"/>.
/// </summary>
/// <param name="value">The value to create a <see cref="JValue"/> from.</param>
/// <returns>The <see cref="JValue"/> initialized with the specified value.</returns>
public static implicit operator JToken(TimeSpan? value)
{
return new JValue(value);
}
/// <summary>
/// Performs an implicit conversion from <see cref="Guid"/> to <see cref="JToken"/>.
/// </summary>
/// <param name="value">The value to create a <see cref="JValue"/> from.</param>
/// <returns>The <see cref="JValue"/> initialized with the specified value.</returns>
public static implicit operator JToken(Guid value)
{
return new JValue(value);
}
/// <summary>
/// Performs an implicit conversion from <see cref="Nullable{T}"/> of <see cref="Guid"/> to <see cref="JToken"/>.
/// </summary>
/// <param name="value">The value to create a <see cref="JValue"/> from.</param>
/// <returns>The <see cref="JValue"/> initialized with the specified value.</returns>
public static implicit operator JToken(Guid? value)
{
return new JValue(value);
}
#endregion
IEnumerator IEnumerable.GetEnumerator()
{
return ((IEnumerable<JToken>)this).GetEnumerator();
}
IEnumerator<JToken> IEnumerable<JToken>.GetEnumerator()
{
return Children().GetEnumerator();
}
internal abstract int GetDeepHashCode();
IJEnumerable<JToken> IJEnumerable<JToken>.this[object key] => this[key]!;
/// <summary>
/// Creates a <see cref="JsonReader"/> for this token.
/// </summary>
/// <returns>A <see cref="JsonReader"/> that can be used to read this token and its descendants.</returns>
public JsonReader CreateReader()
{
return new JTokenReader(this);
}
internal static JToken FromObjectInternal(object o, JsonSerializer jsonSerializer)
{
ValidationUtils.ArgumentNotNull(o, nameof(o));
ValidationUtils.ArgumentNotNull(jsonSerializer, nameof(jsonSerializer));
JToken token;
using (JTokenWriter jsonWriter = new JTokenWriter())
{
jsonSerializer.Serialize(jsonWriter, o);
token = jsonWriter.Token!;
}
return token;
}
/// <summary>
/// Creates a <see cref="JToken"/> from an object.
/// </summary>
/// <param name="o">The object that will be used to create <see cref="JToken"/>.</param>
/// <returns>A <see cref="JToken"/> with the value of the specified object.</returns>
public static JToken FromObject(object o)
{
return FromObjectInternal(o, JsonSerializer.CreateDefault());
}
/// <summary>
/// Creates a <see cref="JToken"/> from an object using the specified <see cref="JsonSerializer"/>.
/// </summary>
/// <param name="o">The object that will be used to create <see cref="JToken"/>.</param>
/// <param name="jsonSerializer">The <see cref="JsonSerializer"/> that will be used when reading the object.</param>
/// <returns>A <see cref="JToken"/> with the value of the specified object.</returns>
public static JToken FromObject(object o, JsonSerializer jsonSerializer)
{
return FromObjectInternal(o, jsonSerializer);
}
/// <summary>
/// Creates an instance of the specified .NET type from the <see cref="JToken"/>.
/// </summary>
/// <typeparam name="T">The object type that the token will be deserialized to.</typeparam>
/// <returns>The new object created from the JSON value.</returns>
public T? ToObject<T>()
{
return (T?)ToObject(typeof(T));
}
/// <summary>
/// Creates an instance of the specified .NET type from the <see cref="JToken"/>.
/// </summary>
/// <param name="objectType">The object type that the token will be deserialized to.</param>
/// <returns>The new object created from the JSON value.</returns>
public object? ToObject(Type objectType)
{
if (JsonConvert.DefaultSettings == null)
{
PrimitiveTypeCode typeCode = ConvertUtils.GetTypeCode(objectType, out bool isEnum);
if (isEnum)
{
if (Type == JTokenType.String)
{
try
{
// use serializer so JsonConverter(typeof(StringEnumConverter)) + EnumMemberAttributes are respected
return ToObject(objectType, JsonSerializer.CreateDefault());
}
catch (Exception ex)
{
Type enumType = objectType.IsEnum() ? objectType : Nullable.GetUnderlyingType(objectType);
throw new ArgumentException("Could not convert '{0}' to {1}.".FormatWith(CultureInfo.InvariantCulture, (string?)this, enumType.Name), ex);
}
}
if (Type == JTokenType.Integer)
{
Type enumType = objectType.IsEnum() ? objectType : Nullable.GetUnderlyingType(objectType);
return Enum.ToObject(enumType, ((JValue)this).Value);
}
}
switch (typeCode)
{
case PrimitiveTypeCode.BooleanNullable:
return (bool?)this;
case PrimitiveTypeCode.Boolean:
return (bool)this;
case PrimitiveTypeCode.CharNullable:
return (char?)this;
case PrimitiveTypeCode.Char:
return (char)this;
case PrimitiveTypeCode.SByte:
return (sbyte)this;
case PrimitiveTypeCode.SByteNullable:
return (sbyte?)this;
case PrimitiveTypeCode.ByteNullable:
return (byte?)this;
case PrimitiveTypeCode.Byte:
return (byte)this;
case PrimitiveTypeCode.Int16Nullable:
return (short?)this;
case PrimitiveTypeCode.Int16:
return (short)this;
case PrimitiveTypeCode.UInt16Nullable:
return (ushort?)this;
case PrimitiveTypeCode.UInt16:
return (ushort)this;
case PrimitiveTypeCode.Int32Nullable:
return (int?)this;
case PrimitiveTypeCode.Int32:
return (int)this;
case PrimitiveTypeCode.UInt32Nullable:
return (uint?)this;
case PrimitiveTypeCode.UInt32:
return (uint)this;
case PrimitiveTypeCode.Int64Nullable:
return (long?)this;
case PrimitiveTypeCode.Int64:
return (long)this;
case PrimitiveTypeCode.UInt64Nullable:
return (ulong?)this;
case PrimitiveTypeCode.UInt64:
return (ulong)this;
case PrimitiveTypeCode.SingleNullable:
return (float?)this;
case PrimitiveTypeCode.Single:
return (float)this;
case PrimitiveTypeCode.DoubleNullable:
return (double?)this;
case PrimitiveTypeCode.Double:
return (double)this;
case PrimitiveTypeCode.DecimalNullable:
return (decimal?)this;
case PrimitiveTypeCode.Decimal:
return (decimal)this;
case PrimitiveTypeCode.DateTimeNullable:
return (DateTime?)this;
case PrimitiveTypeCode.DateTime:
return (DateTime)this;
#if HAVE_DATE_TIME_OFFSET
case PrimitiveTypeCode.DateTimeOffsetNullable:
return (DateTimeOffset?)this;
case PrimitiveTypeCode.DateTimeOffset:
return (DateTimeOffset)this;
#endif
case PrimitiveTypeCode.String:
return (string?)this;
case PrimitiveTypeCode.GuidNullable:
return (Guid?)this;
case PrimitiveTypeCode.Guid:
return (Guid)this;
case PrimitiveTypeCode.Uri:
return (Uri?)this;
case PrimitiveTypeCode.TimeSpanNullable:
return (TimeSpan?)this;
case PrimitiveTypeCode.TimeSpan:
return (TimeSpan)this;
#if HAVE_BIG_INTEGER
case PrimitiveTypeCode.BigIntegerNullable:
return ToBigIntegerNullable(this);
case PrimitiveTypeCode.BigInteger:
return ToBigInteger(this);
#endif
}
}
return ToObject(objectType, JsonSerializer.CreateDefault());
}
/// <summary>
/// Creates an instance of the specified .NET type from the <see cref="JToken"/> using the specified <see cref="JsonSerializer"/>.
/// </summary>
/// <typeparam name="T">The object type that the token will be deserialized to.</typeparam>
/// <param name="jsonSerializer">The <see cref="JsonSerializer"/> that will be used when creating the object.</param>
/// <returns>The new object created from the JSON value.</returns>
public T? ToObject<T>(JsonSerializer jsonSerializer)
{
return (T?)ToObject(typeof(T), jsonSerializer);
}
/// <summary>
/// Creates an instance of the specified .NET type from the <see cref="JToken"/> using the specified <see cref="JsonSerializer"/>.
/// </summary>
/// <param name="objectType">The object type that the token will be deserialized to.</param>
/// <param name="jsonSerializer">The <see cref="JsonSerializer"/> that will be used when creating the object.</param>
/// <returns>The new object created from the JSON value.</returns>
public object? ToObject(Type objectType, JsonSerializer jsonSerializer)
{
ValidationUtils.ArgumentNotNull(jsonSerializer, nameof(jsonSerializer));
using (JTokenReader jsonReader = new JTokenReader(this))
{
return jsonSerializer.Deserialize(jsonReader, objectType);
}
}
/// <summary>
/// Creates a <see cref="JToken"/> from a <see cref="JsonReader"/>.
/// </summary>
/// <param name="reader">A <see cref="JsonReader"/> positioned at the token to read into this <see cref="JToken"/>.</param>
/// <returns>
/// A <see cref="JToken"/> that contains the token and its descendant tokens
/// that were read from the reader. The runtime type of the token is determined
/// by the token type of the first token encountered in the reader.
/// </returns>
public static JToken ReadFrom(JsonReader reader)
{
return ReadFrom(reader, null);
}
/// <summary>
/// Creates a <see cref="JToken"/> from a <see cref="JsonReader"/>.
/// </summary>
/// <param name="reader">An <see cref="JsonReader"/> positioned at the token to read into this <see cref="JToken"/>.</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="JToken"/> that contains the token and its descendant tokens
/// that were read from the reader. The runtime type of the token is determined
/// by the token type of the first token encountered in the reader.
/// </returns>
public static JToken ReadFrom(JsonReader reader, JsonLoadSettings? settings)
{
ValidationUtils.ArgumentNotNull(reader, nameof(reader));
bool hasContent;
if (reader.TokenType == JsonToken.None)
{
hasContent = (settings != null && settings.CommentHandling == CommentHandling.Ignore)
? reader.ReadAndMoveToContent()
: reader.Read();
}
else if (reader.TokenType == JsonToken.Comment && settings?.CommentHandling == CommentHandling.Ignore)
{
hasContent = reader.ReadAndMoveToContent();
}
else
{
hasContent = true;
}
if (!hasContent)
{
throw JsonReaderException.Create(reader, "Error reading JToken from JsonReader.");
}
IJsonLineInfo? lineInfo = reader as IJsonLineInfo;
switch (reader.TokenType)
{
case JsonToken.StartObject:
return JObject.Load(reader, settings);
case JsonToken.StartArray:
return JArray.Load(reader, settings);
case JsonToken.StartConstructor:
return JConstructor.Load(reader, settings);
case JsonToken.PropertyName:
return JProperty.Load(reader, settings);
case JsonToken.String:
case JsonToken.Integer:
case JsonToken.Float:
case JsonToken.Date:
case JsonToken.Boolean:
case JsonToken.Bytes:
JValue v = new JValue(reader.Value);
v.SetLineInfo(lineInfo, settings);
return v;
case JsonToken.Comment:
v = JValue.CreateComment(reader.Value!.ToString());
v.SetLineInfo(lineInfo, settings);
return v;
case JsonToken.Null:
v = JValue.CreateNull();
v.SetLineInfo(lineInfo, settings);
return v;
case JsonToken.Undefined:
v = JValue.CreateUndefined();
v.SetLineInfo(lineInfo, settings);
return v;
default:
throw JsonReaderException.Create(reader, "Error reading JToken from JsonReader. Unexpected token: {0}".FormatWith(CultureInfo.InvariantCulture, reader.TokenType));
}
}
/// <summary>
/// Load a <see cref="JToken"/> from a string that contains JSON.
/// </summary>
/// <param name="json">A <see cref="String"/> that contains JSON.</param>
/// <returns>A <see cref="JToken"/> populated from the string that contains JSON.</returns>
public static JToken Parse(string json)
{
return Parse(json, null);
}
/// <summary>
/// Load a <see cref="JToken"/> from a string that contains JSON.
/// </summary>
/// <param name="json">A <see cref="String"/> that contains JSON.</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="JToken"/> populated from the string that contains JSON.</returns>
public static JToken Parse(string json, JsonLoadSettings? settings)
{
using (JsonReader reader = new JsonTextReader(new StringReader(json)))
{
JToken t = Load(reader, settings);
while (reader.Read())
{
// Any content encountered here other than a comment will throw in the reader.
}
return t;
}
}
/// <summary>
/// Creates a <see cref="JToken"/> from a <see cref="JsonReader"/>.
/// </summary>
/// <param name="reader">A <see cref="JsonReader"/> positioned at the token to read into this <see cref="JToken"/>.</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="JToken"/> that contains the token and its descendant tokens
/// that were read from the reader. The runtime type of the token is determined
/// by the token type of the first token encountered in the reader.
/// </returns>
public static JToken Load(JsonReader reader, JsonLoadSettings? settings)
{
return ReadFrom(reader, settings);
}
/// <summary>
/// Creates a <see cref="JToken"/> from a <see cref="JsonReader"/>.
/// </summary>
/// <param name="reader">A <see cref="JsonReader"/> positioned at the token to read into this <see cref="JToken"/>.</param>
/// <returns>
/// A <see cref="JToken"/> that contains the token and its descendant tokens
/// that were read from the reader. The runtime type of the token is determined
/// by the token type of the first token encountered in the reader.
/// </returns>
public static JToken Load(JsonReader reader)
{
return Load(reader, null);
}
internal void SetLineInfo(IJsonLineInfo? lineInfo, JsonLoadSettings? settings)
{
if (settings != null && settings.LineInfoHandling != LineInfoHandling.Load)
{
return;
}
if (lineInfo == null || !lineInfo.HasLineInfo())
{
return;
}
SetLineInfo(lineInfo.LineNumber, lineInfo.LinePosition);
}
private class LineInfoAnnotation
{
internal readonly int LineNumber;
internal readonly int LinePosition;
public LineInfoAnnotation(int lineNumber, int linePosition)
{
LineNumber = lineNumber;
LinePosition = linePosition;
}
}
internal void SetLineInfo(int lineNumber, int linePosition)
{
AddAnnotation(new LineInfoAnnotation(lineNumber, linePosition));
}
bool IJsonLineInfo.HasLineInfo()
{
return (Annotation<LineInfoAnnotation>() != null);
}
int IJsonLineInfo.LineNumber
{
get
{
LineInfoAnnotation? annotation = Annotation<LineInfoAnnotation>();
if (annotation != null)
{
return annotation.LineNumber;
}
return 0;
}
}
int IJsonLineInfo.LinePosition
{
get
{
LineInfoAnnotation? annotation = Annotation<LineInfoAnnotation>();
if (annotation != null)
{
return annotation.LinePosition;
}
return 0;
}
}
/// <summary>
/// Selects a <see cref="JToken"/> using a JSONPath expression. Selects the token that matches the object path.
/// </summary>
/// <param name="path">
/// A <see cref="String"/> that contains a JSONPath expression.
/// </param>
/// <returns>A <see cref="JToken"/>, or <c>null</c>.</returns>
public JToken? SelectToken(string path)
{
return SelectToken(path, settings: null);
}
/// <summary>
/// Selects a <see cref="JToken"/> using a JSONPath expression. Selects the token that matches the object path.
/// </summary>
/// <param name="path">
/// A <see cref="String"/> that contains a JSONPath expression.
/// </param>
/// <param name="errorWhenNoMatch">A flag to indicate whether an error should be thrown if no tokens are found when evaluating part of the expression.</param>
/// <returns>A <see cref="JToken"/>.</returns>
public JToken? SelectToken(string path, bool errorWhenNoMatch)
{
JsonSelectSettings? settings = errorWhenNoMatch
? new JsonSelectSettings { ErrorWhenNoMatch = true }
: null;
return SelectToken(path, settings);
}
/// <summary>
/// Selects a <see cref="JToken"/> using a JSONPath expression. Selects the token that matches the object path.
/// </summary>
/// <param name="path">
/// A <see cref="String"/> that contains a JSONPath expression.
/// </param>
/// <param name="settings">The <see cref="JsonSelectSettings"/> used to select tokens.</param>
/// <returns>A <see cref="JToken"/>.</returns>
public JToken? SelectToken(string path, JsonSelectSettings? settings)
{
JPath p = new JPath(path);
JToken? token = null;
foreach (JToken t in p.Evaluate(this, this, settings))
{
if (token != null)
{
throw new JsonException("Path returned multiple tokens.");
}
token = t;
}
return token;
}
/// <summary>
/// Selects a collection of elements using a JSONPath expression.
/// </summary>
/// <param name="path">
/// A <see cref="String"/> that contains a JSONPath expression.
/// </param>
/// <returns>An <see cref="IEnumerable{T}"/> of <see cref="JToken"/> that contains the selected elements.</returns>
public IEnumerable<JToken> SelectTokens(string path)
{
return SelectTokens(path, settings: null);
}
/// <summary>
/// Selects a collection of elements using a JSONPath expression.
/// </summary>
/// <param name="path">
/// A <see cref="String"/> that contains a JSONPath expression.
/// </param>
/// <param name="errorWhenNoMatch">A flag to indicate whether an error should be thrown if no tokens are found when evaluating part of the expression.</param>
/// <returns>An <see cref="IEnumerable{T}"/> of <see cref="JToken"/> that contains the selected elements.</returns>
public IEnumerable<JToken> SelectTokens(string path, bool errorWhenNoMatch)
{
JsonSelectSettings? settings = errorWhenNoMatch
? new JsonSelectSettings { ErrorWhenNoMatch = true }
: null;
return SelectTokens(path, settings);
}
/// <summary>
/// Selects a collection of elements using a JSONPath expression.
/// </summary>
/// <param name="path">
/// A <see cref="String"/> that contains a JSONPath expression.
/// </param>
/// <param name="settings">The <see cref="JsonSelectSettings"/> used to select tokens.</param>
/// <returns>An <see cref="IEnumerable{T}"/> of <see cref="JToken"/> that contains the selected elements.</returns>
public IEnumerable<JToken> SelectTokens(string path, JsonSelectSettings? settings)
{
var p = new JPath(path);
return p.Evaluate(this, this, settings);
}
#if HAVE_DYNAMIC
/// <summary>
/// Returns the <see cref="DynamicMetaObject"/> responsible for binding operations performed on this object.
/// </summary>
/// <param name="parameter">The expression tree representation of the runtime value.</param>
/// <returns>
/// The <see cref="DynamicMetaObject"/> to bind this object.
/// </returns>
protected virtual DynamicMetaObject GetMetaObject(Expression parameter)
{
return new DynamicProxyMetaObject<JToken>(parameter, this, new DynamicProxy<JToken>());
}
/// <summary>
/// Returns the <see cref="DynamicMetaObject"/> responsible for binding operations performed on this object.
/// </summary>
/// <param name="parameter">The expression tree representation of the runtime value.</param>
/// <returns>
/// The <see cref="DynamicMetaObject"/> to bind this object.
/// </returns>
DynamicMetaObject IDynamicMetaObjectProvider.GetMetaObject(Expression parameter)
{
return GetMetaObject(parameter);
}
#endif
#if HAVE_ICLONEABLE
object ICloneable.Clone()
{
return DeepClone();
}
#endif
/// <summary>
/// Creates a new instance of the <see cref="JToken"/>. All child tokens are recursively cloned.
/// </summary>
/// <returns>A new instance of the <see cref="JToken"/>.</returns>
public JToken DeepClone()
{
return CloneToken();
}
/// <summary>
/// Adds an object to the annotation list of this <see cref="JToken"/>.
/// </summary>
/// <param name="annotation">The annotation to add.</param>
public void AddAnnotation(object annotation)
{
if (annotation == null)
{
throw new ArgumentNullException(nameof(annotation));
}
if (_annotations == null)
{
_annotations = (annotation is object[]) ? new[] { annotation } : annotation;
}
else
{
if (!(_annotations is object[] annotations))
{
_annotations = new[] { _annotations, annotation };
}
else
{
int index = 0;
while (index < annotations.Length && annotations[index] != null)
{
index++;
}
if (index == annotations.Length)
{
Array.Resize(ref annotations, index * 2);
_annotations = annotations;
}
annotations[index] = annotation;
}
}
}
/// <summary>
/// Get the first annotation object of the specified type from this <see cref="JToken"/>.
/// </summary>
/// <typeparam name="T">The type of the annotation to retrieve.</typeparam>
/// <returns>The first annotation object that matches the specified type, or <c>null</c> if no annotation is of the specified type.</returns>
public T? Annotation<T>() where T : class
{
if (_annotations != null)
{
if (!(_annotations is object[] annotations))
{
return (_annotations as T);
}
for (int i = 0; i < annotations.Length; i++)
{
object annotation = annotations[i];
if (annotation == null)
{
break;
}
if (annotation is T local)
{
return local;
}
}
}
return default;
}
/// <summary>
/// Gets the first annotation object of the specified type from this <see cref="JToken"/>.
/// </summary>
/// <param name="type">The <see cref="Type"/> of the annotation to retrieve.</param>
/// <returns>The first annotation object that matches the specified type, or <c>null</c> if no annotation is of the specified type.</returns>
public object? Annotation(Type type)
{
if (type == null)
{
throw new ArgumentNullException(nameof(type));
}
if (_annotations != null)
{
if (!(_annotations is object[] annotations))
{
if (type.IsInstanceOfType(_annotations))
{
return _annotations;
}
}
else
{
for (int i = 0; i < annotations.Length; i++)
{
object o = annotations[i];
if (o == null)
{
break;
}
if (type.IsInstanceOfType(o))
{
return o;
}
}
}
}
return null;
}
/// <summary>
/// Gets a collection of annotations of the specified type for this <see cref="JToken"/>.
/// </summary>
/// <typeparam name="T">The type of the annotations to retrieve.</typeparam>
/// <returns>An <see cref="IEnumerable{T}"/> that contains the annotations for this <see cref="JToken"/>.</returns>
public IEnumerable<T> Annotations<T>() where T : class
{
if (_annotations == null)
{
yield break;
}
if (_annotations is object[] annotations)
{
for (int i = 0; i < annotations.Length; i++)
{
object o = annotations[i];
if (o == null)
{
break;
}
if (o is T casted)
{
yield return casted;
}
}
yield break;
}
if (!(_annotations is T annotation))
{
yield break;
}
yield return annotation;
}
/// <summary>
/// Gets a collection of annotations of the specified type for this <see cref="JToken"/>.
/// </summary>
/// <param name="type">The <see cref="Type"/> of the annotations to retrieve.</param>
/// <returns>An <see cref="IEnumerable{T}"/> of <see cref="Object"/> that contains the annotations that match the specified type for this <see cref="JToken"/>.</returns>
public IEnumerable<object> Annotations(Type type)
{
if (type == null)
{
throw new ArgumentNullException(nameof(type));
}
if (_annotations == null)
{
yield break;
}
if (_annotations is object[] annotations)
{
for (int i = 0; i < annotations.Length; i++)
{
object o = annotations[i];
if (o == null)
{
break;
}
if (type.IsInstanceOfType(o))
{
yield return o;
}
}
yield break;
}
if (!type.IsInstanceOfType(_annotations))
{
yield break;
}
yield return _annotations;
}
/// <summary>
/// Removes the annotations of the specified type from this <see cref="JToken"/>.
/// </summary>
/// <typeparam name="T">The type of annotations to remove.</typeparam>
public void RemoveAnnotations<T>() where T : class
{
if (_annotations != null)
{
if (!(_annotations is object?[] annotations))
{
if (_annotations is T)
{
_annotations = null;
}
}
else
{
int index = 0;
int keepCount = 0;
while (index < annotations.Length)
{
object? obj2 = annotations[index];
if (obj2 == null)
{
break;
}
if (!(obj2 is T))
{
annotations[keepCount++] = obj2;
}
index++;
}
if (keepCount != 0)
{
while (keepCount < index)
{
annotations[keepCount++] = null;
}
}
else
{
_annotations = null;
}
}
}
}
/// <summary>
/// Removes the annotations of the specified type from this <see cref="JToken"/>.
/// </summary>
/// <param name="type">The <see cref="Type"/> of annotations to remove.</param>
public void RemoveAnnotations(Type type)
{
if (type == null)
{
throw new ArgumentNullException(nameof(type));
}
if (_annotations != null)
{
if (!(_annotations is object?[] annotations))
{
if (type.IsInstanceOfType(_annotations))
{
_annotations = null;
}
}
else
{
int index = 0;
int keepCount = 0;
while (index < annotations.Length)
{
object? o = annotations[index];
if (o == null)
{
break;
}
if (!type.IsInstanceOfType(o))
{
annotations[keepCount++] = o;
}
index++;
}
if (keepCount != 0)
{
while (keepCount < index)
{
annotations[keepCount++] = null;
}
}
else
{
_annotations = null;
}
}
}
}
internal void CopyAnnotations(JToken target, JToken source)
{
if (source._annotations is object[] annotations)
{
target._annotations = annotations.ToArray();
}
else
{
target._annotations = source._annotations;
}
}
}
}
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