internal static PaddedFormat GetOrCreate(string format, ref int pos, out TUnit unit)
{
var start = pos;
WhiteSpaceReader.TryRead(format, ref pos, out string prePadding);
if (format == null ||
pos == format.Length)
{
pos = start;
unit = Unit <TUnit> .Default;
return(PaddedFormat.CreateUnknown(prePadding, null));
}
if (Cache.TryGetUnitForSymbol(format, ref pos, out string symbol, out unit))
{
if (WhiteSpaceReader.IsRestWhiteSpace(format, pos))
{
WhiteSpaceReader.TryRead(format, ref pos, out string postPadding);
return(new PaddedFormat(prePadding, symbol, postPadding));
}
pos -= symbol.Length;
}
if (SymbolAndPowerReader.TryRead(format, ref pos, out IReadOnlyList <SymbolAndPower> symbolsAndPowers))
{
symbol = format.Substring(start, pos - start);
WhiteSpaceReader.TryRead(format, ref pos, out string postPadding);
if (!WhiteSpaceReader.IsRestWhiteSpace(format, pos))
{
pos = start;
unit = Unit <TUnit> .Default;
return(PaddedFormat.CreateUnknown(prePadding, format.Substring(start)));
}
if (Cache.TryGetUnitForParts(symbolsAndPowers, out unit))
{
Cache.Add(symbol, symbolsAndPowers);
Cache.Add(symbol, unit);
}
else
{
pos = start;
unit = Unit <TUnit> .Default;
return(PaddedFormat.CreateUnknown(prePadding, format.Substring(start)));
}
return(new PaddedFormat(prePadding, symbol, postPadding));
}
pos = start;
return(PaddedFormat.CreateUnknown(prePadding, format));
}
internal static PaddedFormat GetOrCreate(string format, ref int pos)
{
string prePadding;
WhiteSpaceReader.TryRead(format, ref pos, out prePadding);
string valueFormat;
if (DoubleFormatReader.TryRead(format, ref pos, out valueFormat))
{
string postPadding;
WhiteSpaceReader.TryRead(format, ref pos, out postPadding);
return(new PaddedFormat(prePadding, valueFormat, postPadding));
}
return(PaddedFormat.CreateUnknown(prePadding, format));
}