103 lines
2.9 KiB
C#
103 lines
2.9 KiB
C#
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using System;
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using System.Collections.Generic;
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namespace SBRL.Algorithms.MorseCodeTranslator
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{
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/// <summary>
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/// A simple class to translate a morse code string into a normal string.
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/// </summary>
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/// <license>Mozilla Public License version 2.0</license>
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/// <origin></origin>
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/// <author>Starbeamrainbowlabs (https://starbeamrainbowlabs.com/)</author>
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/// <changelog>
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/// v0.1 - 26th May 2017:
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/// - Creation! 😁
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/// </changelog>
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public static class MorseDecoder
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{
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/// <summary>
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/// The morse code lookup table. Use the methods in this class is possible,
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/// rather than accessing this lookup table directly!
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/// </summary>
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public static Dictionary<string, char> morseCodeLookup = new Dictionary<string, char>()
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{
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[".-"] = 'a',
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["-..."] = 'b',
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["-.-."] = 'c',
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["-.."] = 'd',
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["."] = 'e',
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["..-."] = 'f',
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["--."] = 'g',
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["...."] = 'h',
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[".."] = 'i',
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[".---"] = 'j',
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["-.-"] = 'k',
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[".-.."] = 'l',
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["--"] = 'm',
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["-."] = 'n',
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["---"] = 'o',
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[".--."] = 'p',
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["--.-"] = 'q',
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[".-."] = 'r',
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["..."] = 's',
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["-"] = 't',
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["..-"] = 'u',
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["...-"] = 'v',
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[".--"] = 'w',
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["-..-"] = 'x',
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["-.--"] = 'y',
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["--.."] = 'z',
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[".----"] = '1',
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["..---"] = '2',
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["...--"] = '3',
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["....-"] = '4',
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["....."] = '5',
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["-...."] = '6',
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["--..."] = '7',
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["---.."] = '8',
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["----."] = '9',
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["-----"] = '0',
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};
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/// <summary>
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/// Translates a single letter from morse code.
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/// </summary>
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/// <param name="morseSource">The morse code to translate.</param>
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/// <returns>The translated letter.</returns>
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public static char TranslateLetter(string morseSource)
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{
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return morseCodeLookup[morseSource.Trim()];
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}
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/// <summary>
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/// Translates a string of space-separated morse code strings from morse code.
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/// </summary>
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/// <param name="morseSource">The morse code to translate.</param>
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/// <returns>The translated word.</returns>
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public static string TranslateWord(string morseSource)
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{
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string result = string.Empty;
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string[] morseLetters = morseSource.Split(" ".ToCharArray());
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foreach(string morseLetter in morseLetters)
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result += TranslateLetter(morseLetter);
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return result;
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}
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/// <summary>
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/// Translates a list of morse-encoded words.
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/// </summary>
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/// <param name="morseSources">The morse-encoded words to decipher.</param>
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/// <returns>The decoded text.</returns>
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public static string TranslateText(IEnumerable<string> morseSources)
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{
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string result = string.Empty;
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foreach(string morseSource in morseSources)
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result += $"{TranslateWord(morseSource)} ";
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return result.Trim();
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}
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}
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}
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