56 lines
2.9 KiB
C#
56 lines
2.9 KiB
C#
/*
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BSD 3-Clause License
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Copyright (c) 2017, B. Wofter
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright notice, this
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list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation
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and/or other materials provided with the distribution.
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* Neither the name of the copyright holder nor the names of its
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contributors may be used to endorse or promote products derived from
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this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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namespace BWofter.Converters.Extensions
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{
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using System;
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using System.Collections.Generic;
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using System.Data;
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/// <summary><para>A static class that provides LINQ extensions for <see cref="IDictionary{TKey, TValue}"/> of <see cref="string"/> keys and <see cref="object"/> values.</para></summary>
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public static class DictionaryStringObjectExtensions
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{
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/// <summary><para>Returns a <see cref="DataTable"/> that represents the columns and types of <paramref name="dictionary"/>. This does not copy the values.</para></summary>
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/// <param name="dictionary"><para>The target of the extension method.</para></param>
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/// <returns><para><see cref="DataTable"/> with columns that match the key and type of the <paramref name="dictionary"/> entries.</para></returns>
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public static DataTable AsDataTableDefinition(this IDictionary<string, object> dictionary)
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{
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if (dictionary == null) throw new ArgumentNullException(nameof(dictionary));
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DataTable dataTable = new DataTable();
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//Iterate over the entries in the dictionary and add a matching column to the new data table.
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foreach (KeyValuePair<string, object> keyValuePair in dictionary)
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{
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dataTable.Columns.Add(keyValuePair.Key, keyValuePair.Value?.GetType() ?? typeof(object));
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}
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return dataTable;
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}
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}
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}
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