50 lines
1.4 KiB
C#
50 lines
1.4 KiB
C#
using ConsoleApp2.Helpers;
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using Microsoft.Extensions.Logging;
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using ServiceStack.Text;
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namespace ConsoleApp2.Services;
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/// <summary>
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/// 读取Jsv格式文件
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/// </summary>
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[Obsolete]
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public class JsvSource : IDisposable
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{
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private readonly string _filePath;
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private readonly JsvStringSerializer _jsv;
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private readonly StreamReader _reader;
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// ReSharper disable once PrivateFieldCanBeConvertedToLocalVariable
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private readonly ILogger? _logger;
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private readonly string _tableName;
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public DataRecord Current { get; protected set; } = null!;
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public string[]? Headers { get; }
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public bool EndOfSource => _reader.EndOfStream;
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public JsvSource(string filePath, string[]? headers = null, ILogger? logger = null)
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{
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_filePath = filePath;
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_jsv = new JsvStringSerializer();
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_reader = new StreamReader(filePath);
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Headers = headers;
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_logger = logger;
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// _logger?.LogInformation("Reading file: {FilePath}", filePath);
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_tableName = DumpDataHelper.GetTableName(filePath);
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}
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public async ValueTask<bool> ReadAsync()
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{
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var str = await _reader.ReadLineAsync();
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if (string.IsNullOrEmpty(str))
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return false;
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var fields = _jsv.DeserializeFromString<string[]>(str);
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Current = new DataRecord(fields, _tableName, Headers);
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return true;
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}
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public void Dispose()
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{
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_reader.Dispose();
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}
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} |