mirror of
https://github.com/dotMorten/NmeaParser.git
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89 lines
2.4 KiB
C#
89 lines
2.4 KiB
C#
//
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// Copyright (c) 2014 Morten Nielsen
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//
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// Licensed under the Microsoft Public License (Ms-PL) (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://opensource.org/licenses/Ms-PL.html
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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namespace NmeaParser
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{
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/// <summary>
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/// A file-based NMEA device reading from a NMEA log file.
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/// </summary>
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public class NmeaFileDevice : BufferedStreamDevice
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{
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#if NETFX_CORE
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Windows.Storage.IStorageFile m_filename;
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#else
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string m_filename;
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#endif
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/// <summary>
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/// Initializes a new instance of the <see cref="NmeaFileDevice"/> class.
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/// </summary>
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/// <param name="fileName"></param>
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#if NETFX_CORE
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public NmeaFileDevice(Windows.Storage.IStorageFile fileName) : this(fileName, 200)
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#else
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public NmeaFileDevice(string fileName) : this(fileName, 200)
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#endif
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{
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m_filename = fileName;
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}
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/// <summary>
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/// Initializes a new instance of the <see cref="NmeaFileDevice"/> class.
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/// </summary>
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/// <param name="fileName"></param>
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/// <param name="readSpeed">The time to wait between each line being read in milliseconds</param>
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#if NETFX_CORE
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public NmeaFileDevice(Windows.Storage.IStorageFile fileName, int readSpeed)
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: base(readSpeed)
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#else
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public NmeaFileDevice(string fileName, int readSpeed) : base(readSpeed)
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#endif
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{
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m_filename = fileName;
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}
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/// <summary>
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/// Gets the name of the nmea file this device is using.
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/// </summary>
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public string Filename
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{
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get { return m_filename; }
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}
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/// <summary>
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/// Gets the stream to perform buffer reads on.
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/// </summary>
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/// <returns></returns>
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#if !NETFX_CORE
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[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Reliability", "CA2000:Dispose objects before losing scope")]
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#endif
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protected override Task<Stream> GetStreamAsync()
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{
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#if NETFX_CORE
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return m_filename.OpenStreamForReadAsync();
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#else
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return Task.FromResult<Stream>(System.IO.File.OpenRead(m_filename));
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#endif
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}
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}
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}
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