121 lines
3.5 KiB
C#
121 lines
3.5 KiB
C#
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 NoSoliciting.Interface {
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public static class NoSolUtil {
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private static readonly Dictionary<char, string> Replacements = new() {
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// numerals
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['\ue055'] = "1",
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['\ue056'] = "2",
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['\ue057'] = "3",
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['\ue058'] = "4",
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['\ue059'] = "5",
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['\ue099'] = "10",
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['\ue09a'] = "11",
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['\ue09b'] = "12",
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['\ue09c'] = "13",
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['\ue09d'] = "14",
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['\ue09e'] = "15",
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['\ue09f'] = "16",
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['\ue0a0'] = "17",
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['\ue0a1'] = "18",
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['\ue0a2'] = "19",
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['\ue0a3'] = "20",
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['\ue0a4'] = "21",
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['\ue0a5'] = "22",
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['\ue0a6'] = "23",
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['\ue0a7'] = "24",
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['\ue0a8'] = "25",
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['\ue0a9'] = "26",
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['\ue0aa'] = "27",
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['\ue0ab'] = "28",
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['\ue0ac'] = "29",
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['\ue0ad'] = "30",
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['\ue0ae'] = "31",
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// symbols
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['\ue0af'] = "+",
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['\ue070'] = "?",
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// letters in other sets
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['\ue022'] = "A",
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['\ue024'] = "_A",
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['\ue0b0'] = "E",
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};
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private const char LowestReplacement = '\ue022';
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private static readonly char[] SpaceSymbols = {
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'/', '|',
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'(', ')',
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'[', ']',
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'{', '}',
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'<', '>',
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'=', '+',
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'.', ',', '?', '!',
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'~', '-',
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};
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public static string Spacify(this string input) {
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return SpaceSymbols.Aggregate(input, (current, sym) => current.Replace(sym, ' '));
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}
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public static string Normalise(string input, bool spacify = false) {
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if (input == null) {
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throw new ArgumentNullException(nameof(input), "input cannot be null");
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}
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// replace ffxiv private use chars
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var builder = new StringBuilder(input.Length);
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foreach (var c in input) {
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if (c < LowestReplacement) {
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goto AppendNormal;
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}
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// alphabet
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if (c >= 0xe071 && c <= 0xe08a) {
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builder.Append((char) (c - 0xe030));
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continue;
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}
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// 0 to 9
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if (c >= 0xe060 && c <= 0xe069) {
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builder.Append((char) (c - 0xe030));
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continue;
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}
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// 1 to 9
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if (c >= 0xe0b1 && c <= 0xe0b9) {
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builder.Append((char) (c - 0xe080));
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continue;
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}
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// 1 to 9 again
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if (c >= 0xe090 && c <= 0xe098) {
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builder.Append((char) (c - 0xe05f));
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continue;
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}
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// replacements in map
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if (Replacements.TryGetValue(c, out var rep)) {
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builder.Append(rep);
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continue;
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}
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AppendNormal:
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builder.Append(c);
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}
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input = builder.ToString();
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// NFKD unicode normalisation
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var normalised = input.Normalize(NormalizationForm.FormKD);
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// replace several symbols with spaces instead
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return spacify ? normalised.Spacify() : normalised;
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}
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}
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}
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