From 3ca49e564a342f88b74553b6241ff88bb3ccf006 Mon Sep 17 00:00:00 2001
From: Rokas Puzonas <rokas.puz@gmail.com>
Date: Mon, 22 Nov 2021 01:26:55 +0200
Subject: [PATCH] feat: add "Lab4.FirstEqualLast" using strings

---
 Lab4.FirstEqualLast/Duomenys.txt              |  9 +++++
 .../Lab4.FirstEqualLast.csproj                | 10 +++++
 Lab4.FirstEqualLast/Program.cs                | 15 ++++++++
 Lab4.FirstEqualLast/TaskUtils.cs              | 38 +++++++++++++++++++
 Lab4.sln                                      |  6 +++
 5 files changed, 78 insertions(+)
 create mode 100644 Lab4.FirstEqualLast/Duomenys.txt
 create mode 100644 Lab4.FirstEqualLast/Lab4.FirstEqualLast.csproj
 create mode 100644 Lab4.FirstEqualLast/Program.cs
 create mode 100644 Lab4.FirstEqualLast/TaskUtils.cs

diff --git a/Lab4.FirstEqualLast/Duomenys.txt b/Lab4.FirstEqualLast/Duomenys.txt
new file mode 100644
index 0000000..4a915c7
--- /dev/null
+++ b/Lab4.FirstEqualLast/Duomenys.txt
@@ -0,0 +1,9 @@
+V. M. Putinas
+Margi sakalai
+Lydėdami gęstančią žarą vėlai
+Pakilo į dangų;;, margi sakalai.
+Paniekinę žemės vylingus sapnus,
+Padangėje ištiesė,,; savo sparnus.
+Ir tarė margieji: negrįšim į žemę,
+Kol josios kalnai ir pakalnės aptemę.
+...
diff --git a/Lab4.FirstEqualLast/Lab4.FirstEqualLast.csproj b/Lab4.FirstEqualLast/Lab4.FirstEqualLast.csproj
new file mode 100644
index 0000000..74abf5c
--- /dev/null
+++ b/Lab4.FirstEqualLast/Lab4.FirstEqualLast.csproj
@@ -0,0 +1,10 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net6.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>
diff --git a/Lab4.FirstEqualLast/Program.cs b/Lab4.FirstEqualLast/Program.cs
new file mode 100644
index 0000000..7ae957b
--- /dev/null
+++ b/Lab4.FirstEqualLast/Program.cs
@@ -0,0 +1,15 @@
+using System;
+using System.Collections.Generic;
+
+namespace Lab4.FirstEqualLast
+{
+	public class Program
+	{
+		public static void Main(string[] args)
+		{
+			const string CFd = "Duomenys.txt";
+			char [] punctuation = {' ','.',',','!','?',':',';','(',')','\t'};
+			Console.WriteLine("Sutampančių žodžių {0, 3:d}", TaskUtils.Process(CFd, punctuation));
+		}
+	}
+}
diff --git a/Lab4.FirstEqualLast/TaskUtils.cs b/Lab4.FirstEqualLast/TaskUtils.cs
new file mode 100644
index 0000000..52c4993
--- /dev/null
+++ b/Lab4.FirstEqualLast/TaskUtils.cs
@@ -0,0 +1,38 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace Lab4.FirstEqualLast
+{
+	public class TaskUtils
+	{
+		/** Reads file and finds the number of words having same the first and
+			the last letters.
+			@param fin – name of data file
+			@param punctuation – punctuation marks to separate words */
+		public static int Process(string fin, char[] punctuation)
+		{
+			string[] lines = File.ReadAllLines(fin, Encoding.UTF8);
+			int equal = 0;
+			foreach (string line in lines)
+			if (line.Length > 0)
+			equal += FirstEqualLast(line, punctuation);
+			return equal;
+		}
+
+		/** Splits line into words and counts the words having same the first and the
+			last letters.
+			@param line – string of data
+			@param punctuation – punctuation marks to separate words */
+		private static int FirstEqualLast (string line, char[] punctuation)
+		{
+			string[] parts = line.Split(punctuation,
+			StringSplitOptions.RemoveEmptyEntries);
+			int equal = 0;
+			foreach (string word in parts)
+				if (word[0] == word[word.Length - 1])
+					equal++;
+			return equal;
+		}
+	}
+}
diff --git a/Lab4.sln b/Lab4.sln
index ed0ec99..c41487d 100644
--- a/Lab4.sln
+++ b/Lab4.sln
@@ -9,6 +9,8 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Lab4.RemoveComments", "Lab4
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Lab4.LetterFrequency", "Lab4.LetterFrequency\Lab4.LetterFrequency.csproj", "{F1797B5C-1541-4821-9485-7C3520C5DD8D}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Lab4.FirstEqualLast", "Lab4.FirstEqualLast\Lab4.FirstEqualLast.csproj", "{83CB5DEC-25E5-42FF-8601-9BF8DA73E397}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -31,6 +33,10 @@ Global
 		{F1797B5C-1541-4821-9485-7C3520C5DD8D}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{F1797B5C-1541-4821-9485-7C3520C5DD8D}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{F1797B5C-1541-4821-9485-7C3520C5DD8D}.Release|Any CPU.Build.0 = Release|Any CPU
+		{83CB5DEC-25E5-42FF-8601-9BF8DA73E397}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{83CB5DEC-25E5-42FF-8601-9BF8DA73E397}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{83CB5DEC-25E5-42FF-8601-9BF8DA73E397}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{83CB5DEC-25E5-42FF-8601-9BF8DA73E397}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE