private static LibraryDependencyTarget ParseMultiFlag(string flag, int end)
{
var result = LibraryDependencyTarget.None;
var flagsAdded = 0;
var start = 0;
do
{
var segment = StringSegment.CreateTrimmed(flag, start, end - 1);
if (segment.Length > 0)
{
flagsAdded++;
result |= ParseSingleFlag(segment);
}
start = end + 1;
if (start >= flag.Length)
{
// Reached end, don't look for next comma
break;
}
end = flag.IndexOf(',', start);
if (end == -1)
{
end = flag.Length;
}
} while (true);
return(flagsAdded > 0 ? result : LibraryDependencyTarget.All);
}
/// <summary>
/// Convert flag string into a LibraryTypeFlag.
/// </summary>
public static LibraryDependencyTarget Parse(string flag)
{
// If the LibraryDependency does not have a flag value it is considered all
if (string.IsNullOrEmpty(flag))
{
return(LibraryDependencyTarget.All);
}
var flagEnd = flag.IndexOf(',');
if (flagEnd == -1)
{
var segment = StringSegment.CreateTrimmed(flag, 0, flag.Length - 1);
if (segment.Length == 0)
{
return(LibraryDependencyTarget.All);
}
return(ParseSingleFlag(segment));
}
else
{
return(ParseMultiFlag(flag, flagEnd));
}
}