/// <summary> /// Generates the UnicodeTrie for the LineBreak code point ranges. /// </summary> public static void GenerateLineBreakTrie() { var regex = new Regex(@"^([0-9A-F]+)(?:\.\.([0-9A-F]+))?\s*;\s*(.*?)\s*#"); var builder = new UnicodeTrieBuilder((uint)LineBreakClass.XX); using (StreamReader sr = GetStreamReader("LineBreak.txt")) { string line; while ((line = sr.ReadLine()) != null) { Match match = regex.Match(line); if (match.Success) { var start = match.Groups[1].Value; var end = match.Groups[2].Value; var point = match.Groups[3].Value; if (end?.Length == 0) { end = start; } builder.SetRange(int.Parse(start, NumberStyles.HexNumber), int.Parse(end, NumberStyles.HexNumber), (uint)Enum.Parse <LineBreakClass>(point), true); } } } UnicodeTrie trie = builder.Freeze(); using FileStream stream = GetStreamWriter("LineBreak.trie"); trie.Save(stream); }
public static void GenerateTrieClass(string name, UnicodeTrie trie) { var stream = new MemoryStream(); trie.Save(stream); using (var fileStream = File.Create($"Generated\\{name}.trie.cs")) using (var writer = new StreamWriter(fileStream)) { writer.WriteLine("using System;"); writer.WriteLine("namespace Avalonia.Media.TextFormatting.Unicode"); writer.WriteLine("{"); writer.WriteLine($" internal static class {name}Trie"); writer.WriteLine(" {"); writer.WriteLine(" public static ReadOnlySpan<byte> Data => new byte[]"); writer.WriteLine(" {"); stream.Position = 0; writer.Write(" "); long length = stream.Length; while (true) { var b = stream.ReadByte(); if (b == -1) { break; } writer.Write(b.ToString()); if (stream.Position % 100 > 0 && stream.Position != length) { writer.Write(", "); } else { writer.Write(','); writer.Write(Environment.NewLine); if (stream.Position != length) { writer.Write(" "); } } } writer.WriteLine(" };"); writer.WriteLine(" }"); writer.WriteLine("}"); } }