74 строки
2.4 KiB
C#
74 строки
2.4 KiB
C#
/*
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* Copyright(c) 2017 Microsoft Corporation. All rights reserved.
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*
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* This code is licensed under the MIT License (MIT).
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
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* of the Software, and to permit persons to whom the Software is furnished to do
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* so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* 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, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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using System.Text.RegularExpressions;
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namespace BingMapsSDSToolkit
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{
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/// <summary>
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/// An object used to represent a geography column type.
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/// </summary>
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public class Geography
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{
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#region Public Properties
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/// <summary>
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/// The well known text that describes the geography object.
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/// </summary>
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public string WellKnownText { get; set; }
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#endregion
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#region Public Methods
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public override string ToString()
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{
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return WellKnownText;
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}
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/// <summary>
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/// Calculates the number of coordinate pairs in the geography.
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/// </summary>
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/// <returns>The number of cooridnate pairs in the geography.</returns>
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public int NumPoints()
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{
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if (string.IsNullOrEmpty(this.WellKnownText))
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{
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//For performance use a regular expression.
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var coordRx = new Regex(@"-?[0-9]+(.|,)?[0-9]* -?[0-9]+(.|,)?[0-9]*");
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var m = coordRx.Matches(this.WellKnownText);
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if (m != null)
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{
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return m.Count;
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}
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}
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return 0;
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}
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#endregion
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}
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}
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