private static void PrintAssertTableLevelsBitCountRoutine(
string tableName,
StreamWriter file,
TableLevels expectedLevels
)
{
file.Write("\n");
file.Write(" [Conditional(\"DEBUG\")]\n");
file.Write(
$" private static void Assert{tableName}TableLevels(int level1BitCount, int level2BitCount, int level3BitCount)\n"
);
file.Write(" {\n");
file.Write(
" // Ensures that the caller expects the same L1:L2:L3 count as the actual backing data.\n"
);
file.Write(
$" Debug.Assert(level1BitCount == {expectedLevels.Level1Bits}, \"Unexpected level 1 bit count.\");\n"
);
file.Write(
$" Debug.Assert(level2BitCount == {expectedLevels.Level2Bits}, \"Unexpected level 2 bit count.\");\n"
);
file.Write(
$" Debug.Assert(level3BitCount == {expectedLevels.Level3Bits}, \"Unexpected level 3 bit count.\");\n"
);
file.Write(" }\n");
}
private static void Main(string[] args)
{
Verbose = args.Contains("-Verbose", StringComparer.OrdinalIgnoreCase);
IncludeCasingData = args.Contains("-IncludeCasingData", StringComparer.OrdinalIgnoreCase);
// First, read the data files and build up a list of all
// assigned code points.
Console.WriteLine("Reading Unicode data files...");
_ = UnicodeData.GetData(0); // processes files
Console.WriteLine("Finished.");
Console.WriteLine();
Console.WriteLine("Initializing maps...");
Dictionary <CategoryCasingInfo, byte> categoryCasingMap = new Dictionary <CategoryCasingInfo, byte>();
Dictionary <NumericGraphemeInfo, byte> numericGraphemeMap = new Dictionary <NumericGraphemeInfo, byte>();
// Next, iterate though all assigned code points, populating
// the category casing & numeric grapheme maps. Also put the
// data into the the DataTable structure, which will compute
// the tiered offset tables.
DataTable categoryCasingTable = new DataTable();
DataTable numericGraphemeTable = new DataTable();
for (int i = 0; i <= 0x10_FFFF; i++)
{
CodePoint thisCodePoint = UnicodeData.GetData(i);
CategoryCasingInfo categoryCasingInfo = new CategoryCasingInfo(thisCodePoint);
if (!categoryCasingMap.TryGetValue(categoryCasingInfo, out byte cciValue))
{
cciValue = (byte)categoryCasingMap.Count;
categoryCasingMap[categoryCasingInfo] = cciValue;
}
categoryCasingTable.AddData((uint)i, cciValue);
NumericGraphemeInfo numericGraphemeInfo = new NumericGraphemeInfo(thisCodePoint);
if (!numericGraphemeMap.TryGetValue(numericGraphemeInfo, out byte ngiValue))
{
ngiValue = (byte)numericGraphemeMap.Count;
numericGraphemeMap[numericGraphemeInfo] = ngiValue;
}
numericGraphemeTable.AddData((uint)i, ngiValue);
}
// Did anything overflow?
Console.WriteLine($"CategoryCasingMap contains {categoryCasingMap.Count} entries.");
if (categoryCasingMap.Count > 256)
{
throw new Exception("CategoryCasingMap exceeds max count of 256 entries!");
}
Console.WriteLine($"NumericGraphemeMap contains {numericGraphemeMap.Count} entries.");
if (numericGraphemeMap.Count > 256)
{
throw new Exception("NumericGraphemeMap exceeds max count of 256 entries!");
}
Console.WriteLine();
// Choose default ratios for the data tables we'll be generating.
TableLevels categoryCasingTableLevelBits = new TableLevels(5, 4);
TableLevels numericGraphemeTableLevelBits = new TableLevels(5, 4);
// Now generate the tables.
categoryCasingTable.GenerateTable("CategoryCasingTable", categoryCasingTableLevelBits.Level2Bits, categoryCasingTableLevelBits.Level3Bits);
numericGraphemeTable.GenerateTable("NumericGraphemeTable", numericGraphemeTableLevelBits.Level2Bits, numericGraphemeTableLevelBits.Level3Bits);
// If you want to see if a different ratio would have better compression
// statistics, uncomment the lines below and re-run the application.
// categoryCasingTable.CalculateTableVariants();
// numericGraphemeTable.CalculateTableVariants();
// Now generate the C# source file.
using (StreamWriter file = File.CreateText(SOURCE_NAME))
{
file.Write("// Licensed to the .NET Foundation under one or more agreements.\n");
file.Write("// The .NET Foundation licenses this file to you under the MIT license.\n");
file.Write("using System.Diagnostics;\n\n");
file.Write("namespace System.Globalization\n");
file.Write("{\n");
file.Write(" public static partial class CharUnicodeInfo\n {\n");
file.Write(" // THE FOLLOWING DATA IS AUTO GENERATED BY GenUnicodeProp program UNDER THE TOOLS FOLDER\n");
file.Write(" // PLEASE DON'T MODIFY BY HAND\n");
file.Write(" // IF YOU NEED TO UPDATE UNICODE VERSION FOLLOW THE GUIDE AT src/libraries/System.Private.CoreLib/Tools/GenUnicodeProp/Updating-Unicode-Versions.md\n");
PrintAssertTableLevelsBitCountRoutine("CategoryCasing", file, categoryCasingTableLevelBits);
file.Write($"\n // {categoryCasingTableLevelBits} index table of the Unicode category & casing data.");
PrintSourceIndexArray("CategoryCasingLevel1Index", categoryCasingTable, file);
file.Write("\n // Contains Unicode category & bidi class information");
PrintValueArray("CategoriesValues", categoryCasingMap, CategoryCasingInfo.ToCategoryBytes, file);
if (IncludeCasingData)
{
// Only write out the casing data if we have been asked to do so.
file.Write("\n // Contains simple culture-invariant uppercase mappings");
PrintValueArray("UppercaseValues", categoryCasingMap, CategoryCasingInfo.ToUpperBytes, file);
file.Write("\n // Contains simple culture-invariant lowercase mappings");
PrintValueArray("LowercaseValues", categoryCasingMap, CategoryCasingInfo.ToLowerBytes, file);
file.Write("\n // Contains simple culture-invariant titlecase mappings");
PrintValueArray("TitlecaseValues", categoryCasingMap, CategoryCasingInfo.ToTitleBytes, file);
file.Write("\n // Contains simple culture-invariant case fold mappings");
PrintValueArray("CaseFoldValues", categoryCasingMap, CategoryCasingInfo.ToCaseFoldBytes, file);
}
PrintAssertTableLevelsBitCountRoutine("NumericGrapheme", file, numericGraphemeTableLevelBits);
file.Write($"\n // {numericGraphemeTableLevelBits} index table of the Unicode numeric & text segmentation data.");
PrintSourceIndexArray("NumericGraphemeLevel1Index", numericGraphemeTable, file);
file.Write("\n // Contains decimal digit values in high nibble; digit values in low nibble");
PrintValueArray("DigitValues", numericGraphemeMap, NumericGraphemeInfo.ToDigitBytes, file);
file.Write("\n // Contains numeric values");
PrintValueArray("NumericValues", numericGraphemeMap, NumericGraphemeInfo.ToNumericBytes, file);
file.Write("\n // Contains grapheme cluster segmentation values");
PrintValueArray("GraphemeSegmentationValues", numericGraphemeMap, NumericGraphemeInfo.ToGraphemeBytes, file);
file.Write("\n }\n}\n");
}
// Quick fixup: Replace \n with \r\n on Windows.
if (Environment.NewLine != "\n")
{
File.WriteAllText(SOURCE_NAME, File.ReadAllText(SOURCE_NAME).Replace("\n", Environment.NewLine));
}
Console.WriteLine("Completed!");
}
