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66 lines
2.1 KiB
66 lines
2.1 KiB
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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namespace FLocal.Common {
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static class TranslitManager {
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private static readonly string SAFE_SOURCE = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZабвгдеёжзийклмнопрстуфхцчшщьыъэюяАБВГДЕЁЖЗИЙКЛМНОПРСТУФХЦЧШЩЬЫЪЭЮЯ -0123456789";
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private static readonly string SAFE_DESTINATION = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZabvgdeejziyklmnoprstufxc4ww'y'eu9ABVGDEEJZIJKLMNOPRSTUFXC4WW'Y'EU9--0123456789";
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private static readonly Dictionary<char, char> SAFE_REPLACEMENTS = Enumerable.Range(0, SAFE_SOURCE.Length).ToDictionary(i => SAFE_SOURCE[i], i => SAFE_DESTINATION[i]);
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/* private static readonly Dictionary<char, char> replacements = new Dictionary<char,char> {
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{ 'a', 'a' },
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{ 'b', 'b' },
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{ 'c', 'c' },
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{ 'd', 'd' },
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{ 'e', 'e' },
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{ 'f', 'f' },
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{ 'g', 'g' },
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{ 'h', 'h' },
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{ 'i', 'i' },
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{ 'j', 'j' },
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{ 'k', 'k' },
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{ 'l', 'l' },
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{ 'm', 'm' },
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{ 'n', 'n' },
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{ 'o', 'o' },
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{ 'p', 'p' },
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{ 'q', 'q' },
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{ 'r', 'r' },
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{ 's', 's' },
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{ 't', 't' },
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{ 'u', 'u' },
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{ 'v', 'v' },
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{ 'w', 'w' },
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{ 'x', 'x' },
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{ 'y', 'y' },
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{ 'z', 'z' },
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{ 'A', 'A' },
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{ 'B', 'B' },
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{ 'C', 'C' },
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{ 'D', 'D' },
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// { '
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};*/
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private static string Transform(string source, Dictionary<char, char> transforms) {
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return new string((from i in Enumerable.Range(0, source.Length) where transforms.ContainsKey(source[i]) select transforms[source[i]]).ToArray());
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}
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public static string Translit(string source) {
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/*Dictionary<char, int> dict = new Dictionary<char,int>();
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(
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from i in Enumerable.Range(0, SAFE_SOURCE.Length)
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select SAFE_SOURCE[i]
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).Aggregate(0, (i, ch) => {
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if(!dict.ContainsKey(ch)) dict[ch] = 0;
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dict[ch]++;
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return i;
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});
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throw new ApplicationException("!" + new string((from kvp in dict where kvp.Value > 1 select kvp.Key).ToArray()) + "@");*/
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return Transform(source, SAFE_REPLACEMENTS);
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}
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}
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}
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