109 lines
2.6 KiB
C#
109 lines
2.6 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.IO;
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namespace CSV
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{
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class CSV
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{
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private Dictionary<Tuple<int, int>, string> _data;
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private int _rows;
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private int _cols;
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public int Rows { get { return _rows; } }
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public int Cols { get { return _cols; } }
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public CSV()
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{
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Clear();
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}
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public void Clear()
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{
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_rows = 0;
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_cols = 0;
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_data = new Dictionary<Tuple<int, int>, string>();
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}
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public void Open(StreamReader stream, char delim = ',')
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{
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string line;
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int col = 0;
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int row = 0;
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Clear();
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while ((line = stream.ReadLine()) != null)
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{
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if (line.Length > 0)
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{
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string[] values = line.Split(delim);
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col = 0;
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foreach (var value in values)
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{
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this[col,row] = value;
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col++;
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}
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row++;
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}
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}
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stream.Close();
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}
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public void Save(StreamWriter stream, char delim = ',')
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{
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for (int row = 0; row < _rows; row++)
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{
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for (int col = 0; col < _cols; col++)
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{
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stream.Write(this[col, row]);
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if (col < _cols - 1)
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{
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stream.Write(delim);
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}
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}
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stream.WriteLine();
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}
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stream.Flush();
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stream.Close();
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}
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public string this[int col, int row]
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{
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get
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{
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try
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{
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return _data[new Tuple<int, int>(col, row)];
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}
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catch
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{
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return "";
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}
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}
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set
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{
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_data[new Tuple<int, int>(col, row)] = value.ToString().Trim();
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_rows = Math.Max(_rows, row + 1);
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_cols = Math.Max(_cols, col + 1);
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}
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}
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static void Main(string[] args)
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{
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CSV csv = new CSV();
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csv.Open(new StreamReader(@"test_in.csv"));
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csv[0, 0] = "Column0";
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csv[1, 1] = "100";
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csv[2, 2] = "200";
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csv[3, 3] = "300";
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csv[4, 4] = "400";
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csv.Save(new StreamWriter(@"test_out.csv"));
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}
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}
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}
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