feat: complete "Lab2.K2"

Lab4.K2/Lab4.K2.csproj

@@ -0,0 +1,8 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>netcoreapp2.1</TargetFramework>
+  </PropertyGroup>
+
+</Project>

Lab4.K2/Program.cs

@@ -0,0 +1,165 @@
+using System.Text;
+using System.Text.RegularExpressions;
+using System.Collections.Generic;
+using System.IO;
+
+namespace Lab4.K2
+{
+    static class TaskUtils
+    {
+        public static bool NoDigits(string line)
+        {
+            return !Regex.IsMatch(line, @"\d");
+        }
+
+        public static int NumberDifferentVowelsInLine(string line)
+        {
+            string vowels = "AEIYOUaeiyouĄąĘęĖėĮįŲųŪū";
+            string pattern = string.Format(@"[{0}]", Regex.Escape(vowels));
+            return Regex.Matches(line, pattern).Count;
+        }
+
+        // Note: returns words including punctuation after them
+        public static MatchCollection MatchByWords(string line, string punctuation)
+        {
+            string pattern = string.Format(@"[^{0}]+[{0}]*", Regex.Escape(punctuation));
+            return Regex.Matches(line, pattern);
+        }
+
+        public static string FindWord1Line(string line, string punctuation)
+        {
+            List<string> wordsWith3Vowels = new List<string>();
+
+            foreach (Match match in MatchByWords(line, punctuation))
+            {
+                int vowelCount = NumberDifferentVowelsInLine(match.Value);
+                if (vowelCount == 3)
+                {
+                   wordsWith3Vowels.Add(match.Value);
+                }
+            }
+
+            string longestWord = "";
+            foreach (string word in wordsWith3Vowels)
+            {
+                if (word.Length > longestWord.Length)
+                {
+                    longestWord = word;
+                }
+            }
+
+            return longestWord;
+        }
+
+        public static string EditLine(string line, string punctuation, string word)
+        {
+            // 1. Find given word in line
+            MatchCollection words = MatchByWords(line, punctuation);
+            int wordPosition = -1;
+
+            for (int i = 0; i < words.Count; i++)
+            {
+                if (words[i].Value == word)
+                {
+                    wordPosition = i;
+                    break;
+                }
+            }
+
+            if (wordPosition == -1) return line;
+
+            // 2. Move found word to front
+            StringBuilder builder = new StringBuilder();
+            builder.Append(words[wordPosition]);
+            for (int i = 0; i < words.Count; i++)
+            {
+                if (i != wordPosition)
+                {
+                    builder.Append(words[i]);
+                }
+            }
+
+            // 3. Profit
+            return builder.ToString();
+        }
+
+        public static Match MatchLastWord(string line, string punctuation)
+        {
+            string pattern = string.Format(@"[^{0}]+[{0}]*$", Regex.Escape(punctuation));
+            return Regex.Match(line, pattern);
+        }
+
+        public static string FindWord2Line(string line, string punctuation)
+        {
+            Match lastWord = MatchLastWord(line, punctuation);
+            if (NoDigits(lastWord.Value))
+            {
+                return lastWord.Value;
+            }
+            else
+            {
+                return "";
+            }
+        }
+
+        public static IEnumerable<string> ReadByLines(string filename)
+        {
+            string line;
+            using (StreamReader reader = new StreamReader(filename, Encoding.UTF8))
+            {
+                while ((line = reader.ReadLine()) != null)
+                {
+                    yield return line;
+                }
+            }
+        }
+
+        public static void PerformTask(string fd, string fr)
+        {
+            List<string> wordsWithoutDigits = new List<string>();
+            string punctuation = null;
+            using (StreamWriter writer = File.CreateText(fr))
+            {
+                foreach (string line in ReadByLines(fd))
+                {
+                    if (punctuation == null)
+                    {
+                        punctuation = line;
+                        continue;
+                    }
+
+                    string longestWord = TaskUtils.FindWord1Line(line, punctuation);
+                    if (longestWord != "")
+                    {
+                        writer.WriteLine(TaskUtils.EditLine(line, punctuation, longestWord));
+                    }
+                    else
+                    {
+                        writer.WriteLine(line);
+                    }
+
+                    string wordWithoutDigits = TaskUtils.FindWord2Line(line, punctuation);
+                    if (wordWithoutDigits != "")
+                    {
+                        wordsWithoutDigits.Add(wordWithoutDigits);
+                    }
+                }
+
+                char[] punctuationChars = punctuation.ToCharArray();
+                foreach (string word in wordsWithoutDigits)
+                {
+                    writer.WriteLine(word.Trim(punctuationChars));
+                }
+            }
+        }
+    }
+
+    class Program
+    {
+        static void Main(string[] args)
+        {
+            TaskUtils.PerformTask("Tekstas.txt", "RedTekstas.txt");
+        }
+    }
+}
+

Lab4.K2/Tekstas.txt

@@ -0,0 +1,5 @@
+ .!?;:@
+bar fooo,@ !ba1
+bar bAaar baar bAoUr!!
+bar foėo@ 1ba
+bar? baer boar f!!

Lab4.sln

@@ -15,6 +15,8 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Lab4.AddSurname", "Lab4.Add
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Lab4.RemoveVowels", "Lab4.RemoveVowels\Lab4.RemoveVowels.csproj", "{5AD87F42-DD6D-4ADF-B1D5-66553BAA4BCC}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Lab4.K2", "Lab4.K2\Lab4.K2.csproj", "{BE0E7198-95F7-4EFA-BFE1-CA5BBE7798D2}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -49,6 +51,10 @@ Global
 		{5AD87F42-DD6D-4ADF-B1D5-66553BAA4BCC}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{5AD87F42-DD6D-4ADF-B1D5-66553BAA4BCC}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{5AD87F42-DD6D-4ADF-B1D5-66553BAA4BCC}.Release|Any CPU.Build.0 = Release|Any CPU
+		{BE0E7198-95F7-4EFA-BFE1-CA5BBE7798D2}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{BE0E7198-95F7-4EFA-BFE1-CA5BBE7798D2}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{BE0E7198-95F7-4EFA-BFE1-CA5BBE7798D2}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{BE0E7198-95F7-4EFA-BFE1-CA5BBE7798D2}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE