chore: 初始化北汽福田MES采集程序
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348
Common/00-1Json8.3/Json8.3/Utilities/CollectionUtils.cs
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348
Common/00-1Json8.3/Json8.3/Utilities/CollectionUtils.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 System.Collections.ObjectModel;
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using System.Reflection;
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using System.Text;
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using System.Collections;
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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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using System.Globalization;
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using Newtonsoft.Json.Serialization;
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namespace Newtonsoft.Json.Utilities
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{
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internal static class CollectionUtils
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{
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/// <summary>
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/// Determines whether the collection is null or empty.
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/// </summary>
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/// <param name="collection">The collection.</param>
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/// <returns>
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/// <c>true</c> if the collection is null or empty; otherwise, <c>false</c>.
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/// </returns>
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public static bool IsNullOrEmpty<T>(ICollection<T> collection)
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{
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if (collection != null)
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{
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return (collection.Count == 0);
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}
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return true;
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}
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/// <summary>
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/// Adds the elements of the specified collection to the specified generic IList.
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/// </summary>
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/// <param name="initial">The list to add to.</param>
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/// <param name="collection">The collection of elements to add.</param>
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public static void AddRange<T>(this IList<T> initial, IEnumerable<T> collection)
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{
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if (initial == null)
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{
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throw new ArgumentNullException(nameof(initial));
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}
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if (collection == null)
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{
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return;
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}
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foreach (T value in collection)
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{
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initial.Add(value);
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}
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}
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#if (NET20 || NET35 || PORTABLE40)
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public static void AddRange<T>(this IList<T> initial, IEnumerable collection)
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{
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ValidationUtils.ArgumentNotNull(initial, nameof(initial));
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// because earlier versions of .NET didn't support covariant generics
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initial.AddRange(collection.Cast<T>());
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}
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#endif
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public static bool IsDictionaryType(Type type)
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{
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ValidationUtils.ArgumentNotNull(type, nameof(type));
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if (typeof(IDictionary).IsAssignableFrom(type))
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{
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return true;
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}
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if (ReflectionUtils.ImplementsGenericDefinition(type, typeof(IDictionary<,>)))
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{
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return true;
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}
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#if !(NET40 || NET35 || NET20 || PORTABLE40)
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if (ReflectionUtils.ImplementsGenericDefinition(type, typeof(IReadOnlyDictionary<,>)))
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{
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return true;
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}
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#endif
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return false;
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}
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public static ConstructorInfo ResolveEnumerableCollectionConstructor(Type collectionType, Type collectionItemType)
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{
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Type genericEnumerable = typeof(IEnumerable<>).MakeGenericType(collectionItemType);
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ConstructorInfo match = null;
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foreach (ConstructorInfo constructor in collectionType.GetConstructors(BindingFlags.Public | BindingFlags.Instance))
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{
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IList<ParameterInfo> parameters = constructor.GetParameters();
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if (parameters.Count == 1)
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{
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if (genericEnumerable == parameters[0].ParameterType)
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{
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// exact match
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match = constructor;
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break;
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}
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// incase we can't find an exact match, use first inexact
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if (match == null)
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{
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if (genericEnumerable.IsAssignableFrom(parameters[0].ParameterType))
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{
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match = constructor;
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}
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}
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}
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}
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return match;
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}
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public static bool AddDistinct<T>(this IList<T> list, T value)
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{
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return list.AddDistinct(value, EqualityComparer<T>.Default);
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}
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public static bool AddDistinct<T>(this IList<T> list, T value, IEqualityComparer<T> comparer)
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{
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if (list.ContainsValue(value, comparer))
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{
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return false;
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}
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list.Add(value);
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return true;
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}
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// this is here because LINQ Bridge doesn't support Contains with IEqualityComparer<T>
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public static bool ContainsValue<TSource>(this IEnumerable<TSource> source, TSource value, IEqualityComparer<TSource> comparer)
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{
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if (comparer == null)
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{
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comparer = EqualityComparer<TSource>.Default;
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}
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if (source == null)
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{
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throw new ArgumentNullException(nameof(source));
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}
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foreach (TSource local in source)
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{
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if (comparer.Equals(local, value))
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{
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return true;
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}
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}
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return false;
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}
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public static bool AddRangeDistinct<T>(this IList<T> list, IEnumerable<T> values, IEqualityComparer<T> comparer)
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{
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bool allAdded = true;
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foreach (T value in values)
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{
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if (!list.AddDistinct(value, comparer))
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{
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allAdded = false;
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}
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}
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return allAdded;
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}
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public static int IndexOf<T>(this IEnumerable<T> collection, Func<T, bool> predicate)
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{
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int index = 0;
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foreach (T value in collection)
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{
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if (predicate(value))
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{
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return index;
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}
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index++;
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}
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return -1;
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}
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public static bool Contains(this IEnumerable list, object value, IEqualityComparer comparer)
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{
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foreach (object item in list)
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{
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if (comparer.Equals(item, value))
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{
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return true;
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}
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}
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return false;
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}
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/// <summary>
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/// Returns the index of the first occurrence in a sequence by using a specified IEqualityComparer{TSource}.
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/// </summary>
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/// <typeparam name="TSource">The type of the elements of source.</typeparam>
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/// <param name="list">A sequence in which to locate a value.</param>
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/// <param name="value">The object to locate in the sequence</param>
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/// <param name="comparer">An equality comparer to compare values.</param>
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/// <returns>The zero-based index of the first occurrence of value within the entire sequence, if found; otherwise, ?.</returns>
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public static int IndexOf<TSource>(this IEnumerable<TSource> list, TSource value, IEqualityComparer<TSource> comparer)
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{
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int index = 0;
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foreach (TSource item in list)
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{
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if (comparer.Equals(item, value))
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{
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return index;
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}
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index++;
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}
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return -1;
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}
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private static IList<int> GetDimensions(IList values, int dimensionsCount)
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{
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IList<int> dimensions = new List<int>();
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IList currentArray = values;
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while (true)
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{
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dimensions.Add(currentArray.Count);
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// don't keep calculating dimensions for arrays inside the value array
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if (dimensions.Count == dimensionsCount)
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{
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break;
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}
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if (currentArray.Count == 0)
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{
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break;
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}
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object v = currentArray[0];
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if (v is IList)
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{
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currentArray = (IList)v;
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}
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else
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{
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break;
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}
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}
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return dimensions;
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}
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private static void CopyFromJaggedToMultidimensionalArray(IList values, Array multidimensionalArray, int[] indices)
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{
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int dimension = indices.Length;
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if (dimension == multidimensionalArray.Rank)
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{
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multidimensionalArray.SetValue(JaggedArrayGetValue(values, indices), indices);
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return;
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}
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int dimensionLength = multidimensionalArray.GetLength(dimension);
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IList list = (IList)JaggedArrayGetValue(values, indices);
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int currentValuesLength = list.Count;
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if (currentValuesLength != dimensionLength)
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{
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throw new Exception("Cannot deserialize non-cubical array as multidimensional array.");
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}
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int[] newIndices = new int[dimension + 1];
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for (int i = 0; i < dimension; i++)
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{
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newIndices[i] = indices[i];
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}
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for (int i = 0; i < multidimensionalArray.GetLength(dimension); i++)
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{
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newIndices[dimension] = i;
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CopyFromJaggedToMultidimensionalArray(values, multidimensionalArray, newIndices);
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}
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}
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private static object JaggedArrayGetValue(IList values, int[] indices)
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{
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IList currentList = values;
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for (int i = 0; i < indices.Length; i++)
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{
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int index = indices[i];
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if (i == indices.Length - 1)
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{
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return currentList[index];
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}
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else
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{
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currentList = (IList)currentList[index];
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}
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}
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return currentList;
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}
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public static Array ToMultidimensionalArray(IList values, Type type, int rank)
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{
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IList<int> dimensions = GetDimensions(values, rank);
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while (dimensions.Count < rank)
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{
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dimensions.Add(0);
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}
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Array multidimensionalArray = Array.CreateInstance(type, dimensions.ToArray());
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CopyFromJaggedToMultidimensionalArray(values, multidimensionalArray, new int[0]);
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return multidimensionalArray;
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}
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}
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}
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