66 lines
1.9 KiB
C#
66 lines
1.9 KiB
C#
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using System.Globalization;
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using System.Text;
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using BenchmarkDotNet.Attributes;
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using BenchmarkDotNet.Running;
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BenchmarkRunner.Run<DiacriticBenchmarks>();
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[SimpleJob, MemoryDiagnoser(false)]
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public class DiacriticBenchmarks
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{
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private const string Sample = "ἠἡὀὁἱἰὠὡἐἑὑὐᾐ";
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[Benchmark]
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[Arguments(Sample)]
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public string StackOverflow_RemoveDiacritics(string input)
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{
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string normalizedString = input.Normalize(NormalizationForm.FormD);
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var stringBuilder = new StringBuilder(capacity: normalizedString.Length);
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for (var i = 0; i < normalizedString.Length; i++)
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{
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char c = normalizedString[i];
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UnicodeCategory unicodeCategory = CharUnicodeInfo.GetUnicodeCategory(c);
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if (unicodeCategory != UnicodeCategory.NonSpacingMark)
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{
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stringBuilder.Append(c);
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}
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}
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return stringBuilder.ToString().Normalize(NormalizationForm.FormC);
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}
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[Benchmark]
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[Arguments(Sample)]
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public string Boas_RemoveSpiritus(string input)
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{
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string output = MyReplace(input, "ἀἁ", "α");
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output = MyReplace(output, "ἠἡ", "η");
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output = MyReplace(output, "ὀὁ", "ο");
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output = MyReplace(output, "ἱἰ", "ι");
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output = MyReplace(output, "ὠὡ", "ω");
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output = MyReplace(output, "ἐἑ", "ε");
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output = MyReplace(output, "ὑὐ", "υ");
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output = MyReplace(output, "ᾐ", "ῃ");
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return output;
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}
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private string MyReplace(string input, string pattern, string replacement)
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{
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var sb = new StringBuilder();
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foreach (char t in input)
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{
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if (!pattern.Contains(t))
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{
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sb.Append(t);
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}
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else
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{
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sb.Append(replacement);
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}
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}
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return sb.ToString();
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}
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}
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