/// <summary>
/// Reads DerivedName.txt and parses each entry in that file.
/// </summary>
private static Dictionary <int, string> ProcessDerivedNameFile()
{
using Stream stream = Resources.OpenResource(Resources.DerivedName);
using StreamReader reader = new StreamReader(stream);
Dictionary <int, string> dict = new Dictionary <int, string>();
string thisLine;
while ((thisLine = reader.ReadLine()) != null)
{
if (PropsFileEntry.TryParseLine(thisLine, out PropsFileEntry value))
{
if (value.IsSingleCodePoint)
{
// Single code point of format "XXXX ; <Name>" (name shouldn't end with '*')
Assert.False(value.PropName.EndsWith('*'));
dict.Add(value.FirstCodePoint, value.PropName);
}
else
{
// Range of format "XXXX..YYYY ; <Name>-*"
Assert.True(value.PropName.EndsWith('*'));
string baseName = value.PropName[..^ 1];
public static bool TryParseLine(string line, out PropsFileEntry value)
{
Match match = _regex.Match(line);
if (!match.Success)
{
value = default; // no match
return(false);
}
uint firstCodePoint = uint.Parse(match.Groups["firstCodePoint"].Value, NumberStyles.HexNumber, CultureInfo.InvariantCulture);
uint lastCodePoint = firstCodePoint; // assume no "..YYYY" segment for now
if (match.Groups["lastCodePoint"].Success)
{
lastCodePoint = uint.Parse(match.Groups["lastCodePoint"].Value, NumberStyles.HexNumber, CultureInfo.InvariantCulture);
}
value = new PropsFileEntry(firstCodePoint, lastCodePoint, match.Groups["propName"].Value);
return(true);
}
/// <summary>
/// Reads DerivedBidiClass.txt and parses each entry in that file.
/// </summary>
private static Dictionary <int, BidiClass> ProcessDerivedBidiClassFile()
{
using Stream stream = Resources.OpenResource(Resources.DerivedBidiClass);
using StreamReader reader = new StreamReader(stream);
Dictionary <int, BidiClass> dict = new Dictionary <int, BidiClass>();
string thisLine;
while ((thisLine = reader.ReadLine()) != null)
{
if (PropsFileEntry.TryParseLine(thisLine, out PropsFileEntry value))
{
BidiClass bidiClass = BidiClassMap[value.PropName];
for (int i = value.FirstCodePoint; i <= value.LastCodePoint /* inclusive */; i++)
{
dict.Add(i, bidiClass);
}
}
}
return(dict);
}