chore: 初始化合力差速器MES采集程序
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yexingqiang
332
Common/00-1Json8.3/Json8.3/Linq/Extensions.cs
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332
Common/00-1Json8.3/Json8.3/Linq/Extensions.cs
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#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
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// 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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using Newtonsoft.Json.Utilities;
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using System.Globalization;
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#if NET20
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using 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 Newtonsoft.Json.Linq
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{
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/// <summary>
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/// Contains the LINQ to JSON extension methods.
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/// </summary>
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public static class Extensions
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{
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/// <summary>
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/// Returns a collection of tokens that contains the ancestors of every token in the source collection.
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/// </summary>
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/// <typeparam name="T">The type of the objects in source, constrained to <see cref="JToken"/>.</typeparam>
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/// <param name="source">An <see cref="IEnumerable{T}"/> of <see cref="JToken"/> that contains the source collection.</param>
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/// <returns>An <see cref="IEnumerable{T}"/> of <see cref="JToken"/> that contains the ancestors of every token in the source collection.</returns>
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public static IJEnumerable<JToken> Ancestors<T>(this IEnumerable<T> source) where T : JToken
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{
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ValidationUtils.ArgumentNotNull(source, nameof(source));
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return source.SelectMany(j => j.Ancestors()).AsJEnumerable();
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}
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/// <summary>
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/// Returns a collection of tokens that contains every token in the source collection, and the ancestors of every token in the source collection.
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/// </summary>
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/// <typeparam name="T">The type of the objects in source, constrained to <see cref="JToken"/>.</typeparam>
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/// <param name="source">An <see cref="IEnumerable{T}"/> of <see cref="JToken"/> that contains the source collection.</param>
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/// <returns>An <see cref="IEnumerable{T}"/> of <see cref="JToken"/> that contains every token in the source collection, the ancestors of every token in the source collection.</returns>
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public static IJEnumerable<JToken> AncestorsAndSelf<T>(this IEnumerable<T> source) where T : JToken
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{
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ValidationUtils.ArgumentNotNull(source, nameof(source));
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return source.SelectMany(j => j.AncestorsAndSelf()).AsJEnumerable();
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}
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/// <summary>
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/// Returns a collection of tokens that contains the descendants of every token in the source collection.
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/// </summary>
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/// <typeparam name="T">The type of the objects in source, constrained to <see cref="JContainer"/>.</typeparam>
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/// <param name="source">An <see cref="IEnumerable{T}"/> of <see cref="JToken"/> that contains the source collection.</param>
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/// <returns>An <see cref="IEnumerable{T}"/> of <see cref="JToken"/> that contains the descendants of every token in the source collection.</returns>
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public static IJEnumerable<JToken> Descendants<T>(this IEnumerable<T> source) where T : JContainer
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{
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ValidationUtils.ArgumentNotNull(source, nameof(source));
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return source.SelectMany(j => j.Descendants()).AsJEnumerable();
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}
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/// <summary>
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/// Returns a collection of tokens that contains every token in the source collection, and the descendants of every token in the source collection.
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/// </summary>
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/// <typeparam name="T">The type of the objects in source, constrained to <see cref="JContainer"/>.</typeparam>
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/// <param name="source">An <see cref="IEnumerable{T}"/> of <see cref="JToken"/> that contains the source collection.</param>
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/// <returns>An <see cref="IEnumerable{T}"/> of <see cref="JToken"/> that contains every token in the source collection, and the descendants of every token in the source collection.</returns>
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public static IJEnumerable<JToken> DescendantsAndSelf<T>(this IEnumerable<T> source) where T : JContainer
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{
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ValidationUtils.ArgumentNotNull(source, nameof(source));
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return source.SelectMany(j => j.DescendantsAndSelf()).AsJEnumerable();
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}
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/// <summary>
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/// Returns a collection of child properties of every object in the source collection.
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/// </summary>
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/// <param name="source">An <see cref="IEnumerable{T}"/> of <see cref="JObject"/> that contains the source collection.</param>
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/// <returns>An <see cref="IEnumerable{T}"/> of <see cref="JProperty"/> that contains the properties of every object in the source collection.</returns>
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public static IJEnumerable<JProperty> Properties(this IEnumerable<JObject> source)
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{
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ValidationUtils.ArgumentNotNull(source, nameof(source));
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return source.SelectMany(d => d.Properties()).AsJEnumerable();
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}
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/// <summary>
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/// Returns a collection of child values of every object in the source collection with the given key.
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/// </summary>
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/// <param name="source">An <see cref="IEnumerable{T}"/> of <see cref="JToken"/> that contains the source collection.</param>
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/// <param name="key">The token key.</param>
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/// <returns>An <see cref="IEnumerable{T}"/> of <see cref="JToken"/> that contains the values of every token in the source collection with the given key.</returns>
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public static IJEnumerable<JToken> Values(this IEnumerable<JToken> source, object key)
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{
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return Values<JToken, JToken>(source, key).AsJEnumerable();
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}
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/// <summary>
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/// Returns a collection of child values of every object in the source collection.
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/// </summary>
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/// <param name="source">An <see cref="IEnumerable{T}"/> of <see cref="JToken"/> that contains the source collection.</param>
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/// <returns>An <see cref="IEnumerable{T}"/> of <see cref="JToken"/> that contains the values of every token in the source collection.</returns>
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public static IJEnumerable<JToken> Values(this IEnumerable<JToken> source)
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{
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return source.Values(null);
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}
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/// <summary>
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/// Returns a collection of converted child values of every object in the source collection with the given key.
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/// </summary>
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/// <typeparam name="U">The type to convert the values to.</typeparam>
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/// <param name="source">An <see cref="IEnumerable{T}"/> of <see cref="JToken"/> that contains the source collection.</param>
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/// <param name="key">The token key.</param>
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/// <returns>An <see cref="IEnumerable{T}"/> that contains the converted values of every token in the source collection with the given key.</returns>
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public static IEnumerable<U> Values<U>(this IEnumerable<JToken> source, object key)
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{
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return Values<JToken, U>(source, key);
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}
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/// <summary>
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/// Returns a collection of converted child values of every object in the source collection.
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/// </summary>
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/// <typeparam name="U">The type to convert the values to.</typeparam>
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/// <param name="source">An <see cref="IEnumerable{T}"/> of <see cref="JToken"/> that contains the source collection.</param>
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/// <returns>An <see cref="IEnumerable{T}"/> that contains the converted values of every token in the source collection.</returns>
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public static IEnumerable<U> Values<U>(this IEnumerable<JToken> source)
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{
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return Values<JToken, U>(source, null);
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}
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/// <summary>
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/// Converts the value.
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/// </summary>
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/// <typeparam name="U">The type to convert the value to.</typeparam>
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/// <param name="value">A <see cref="JToken"/> cast as a <see cref="IEnumerable{T}"/> of <see cref="JToken"/>.</param>
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/// <returns>A converted value.</returns>
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public static U Value<U>(this IEnumerable<JToken> value)
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{
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return value.Value<JToken, U>();
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}
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/// <summary>
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/// Converts the value.
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/// </summary>
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/// <typeparam name="T">The source collection type.</typeparam>
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/// <typeparam name="U">The type to convert the value to.</typeparam>
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/// <param name="value">A <see cref="JToken"/> cast as a <see cref="IEnumerable{T}"/> of <see cref="JToken"/>.</param>
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/// <returns>A converted value.</returns>
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public static U Value<T, U>(this IEnumerable<T> value) where T : JToken
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{
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ValidationUtils.ArgumentNotNull(value, nameof(value));
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JToken token = value as JToken;
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if (token == null)
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{
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throw new ArgumentException("Source value must be a JToken.");
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}
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return token.Convert<JToken, U>();
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}
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internal static IEnumerable<U> Values<T, U>(this IEnumerable<T> source, object key) where T : JToken
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{
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ValidationUtils.ArgumentNotNull(source, nameof(source));
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foreach (JToken token in source)
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{
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if (key == null)
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{
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if (token is JValue)
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{
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yield return Convert<JValue, U>((JValue)token);
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}
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else
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{
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foreach (JToken t in token.Children())
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{
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yield return t.Convert<JToken, U>();
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}
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}
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}
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else
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{
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JToken value = token[key];
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if (value != null)
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{
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yield return value.Convert<JToken, U>();
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}
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}
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}
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yield break;
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}
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//TODO
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//public static IEnumerable<T> InDocumentOrder<T>(this IEnumerable<T> source) where T : JObject;
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/// <summary>
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/// Returns a collection of child tokens of every array in the source collection.
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/// </summary>
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/// <typeparam name="T">The source collection type.</typeparam>
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/// <param name="source">An <see cref="IEnumerable{T}"/> of <see cref="JToken"/> that contains the source collection.</param>
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/// <returns>An <see cref="IEnumerable{T}"/> of <see cref="JToken"/> that contains the values of every token in the source collection.</returns>
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public static IJEnumerable<JToken> Children<T>(this IEnumerable<T> source) where T : JToken
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{
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return Children<T, JToken>(source).AsJEnumerable();
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}
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/// <summary>
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/// Returns a collection of converted child tokens of every array in the source collection.
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/// </summary>
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/// <param name="source">An <see cref="IEnumerable{T}"/> of <see cref="JToken"/> that contains the source collection.</param>
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/// <typeparam name="U">The type to convert the values to.</typeparam>
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/// <typeparam name="T">The source collection type.</typeparam>
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/// <returns>An <see cref="IEnumerable{T}"/> that contains the converted values of every token in the source collection.</returns>
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public static IEnumerable<U> Children<T, U>(this IEnumerable<T> source) where T : JToken
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{
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ValidationUtils.ArgumentNotNull(source, nameof(source));
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return source.SelectMany(c => c.Children()).Convert<JToken, U>();
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}
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internal static IEnumerable<U> Convert<T, U>(this IEnumerable<T> source) where T : JToken
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{
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ValidationUtils.ArgumentNotNull(source, nameof(source));
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foreach (T token in source)
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{
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yield return Convert<JToken, U>(token);
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}
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}
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internal static U Convert<T, U>(this T token) where T : JToken
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{
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if (token == null)
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{
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return default(U);
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}
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if (token is U
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// don't want to cast JValue to its interfaces, want to get the internal value
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&& typeof(U) != typeof(IComparable) && typeof(U) != typeof(IFormattable))
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{
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// HACK
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return (U)(object)token;
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}
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else
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{
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JValue value = token as JValue;
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if (value == null)
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{
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throw new InvalidCastException("Cannot cast {0} to {1}.".FormatWith(CultureInfo.InvariantCulture, token.GetType(), typeof(T)));
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}
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if (value.Value is U)
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{
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return (U)value.Value;
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}
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Type targetType = typeof(U);
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if (ReflectionUtils.IsNullableType(targetType))
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{
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if (value.Value == null)
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{
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return default(U);
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}
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targetType = Nullable.GetUnderlyingType(targetType);
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}
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return (U)System.Convert.ChangeType(value.Value, targetType, CultureInfo.InvariantCulture);
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}
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}
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//TODO
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//public static void Remove<T>(this IEnumerable<T> source) where T : JContainer;
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/// <summary>
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/// Returns the input typed as <see cref="IJEnumerable{T}"/>.
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/// </summary>
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/// <param name="source">An <see cref="IEnumerable{T}"/> of <see cref="JToken"/> that contains the source collection.</param>
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/// <returns>The input typed as <see cref="IJEnumerable{T}"/>.</returns>
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public static IJEnumerable<JToken> AsJEnumerable(this IEnumerable<JToken> source)
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{
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return source.AsJEnumerable<JToken>();
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}
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/// <summary>
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/// Returns the input typed as <see cref="IJEnumerable{T}"/>.
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/// </summary>
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/// <typeparam name="T">The source collection type.</typeparam>
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/// <param name="source">An <see cref="IEnumerable{T}"/> of <see cref="JToken"/> that contains the source collection.</param>
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/// <returns>The input typed as <see cref="IJEnumerable{T}"/>.</returns>
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public static IJEnumerable<T> AsJEnumerable<T>(this IEnumerable<T> source) where T : JToken
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{
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if (source == null)
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{
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return null;
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}
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else if (source is IJEnumerable<T>)
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{
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return (IJEnumerable<T>)source;
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}
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else
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{
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return new JEnumerable<T>(source);
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}
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}
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}
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}
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