53 lines
1.6 KiB
C#
53 lines
1.6 KiB
C#
using System.Text;
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using System.IO;
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namespace Lab4.AddSurname
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{
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public class TaskUtils
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{
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/** Finds name in the line and constructs new line appending given surname.
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@param line – string of data
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@param punctuation – punctuation marks to separate words
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@param name – word to find
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@param surname – given word to add
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@param newLine – string of result */
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private static void AddSurname(string line, string punctuation, string name, string surname, StringBuilder newLine)
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{
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string addLine = " " + line + " ";
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int init = 1;
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int ind = addLine.IndexOf(name);
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while (ind != -1)
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{
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if (punctuation.IndexOf(addLine[ind - 1]) != -1 && punctuation.IndexOf(addLine[ind + name.Length]) != -1)
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{
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newLine.Append(addLine.Substring(init, ind + name.Length - init));
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newLine.Append(surname);
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init = ind + name.Length;
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}
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ind = addLine.IndexOf(name, ind + 1);
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}
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newLine.Append(line.Substring(init - 1));
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}
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/** Reads file and adds given surname to the given name.
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@param fin – name of data file
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@param fout – name of result file
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@param punctuation – punctuation marks to separate words
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@param name – word to find
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@param surname – given word to add */
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public static void Process(string fin, string fout, string punctuation, string name, string surname)
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{
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string[] lines = File.ReadAllLines(fin, Encoding.UTF8);
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using (var writer = File.CreateText(fout))
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{
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foreach (string line in lines)
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{
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StringBuilder newLine = new StringBuilder();
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AddSurname(line, punctuation, name, surname, newLine);
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writer.WriteLine(newLine);
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}
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}
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}
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}
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}
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