/// <summary>
/// Finds all expansions using the mapping provider
/// </summary>
private IEnumerable <NuGetFramework> ExpandInternal(NuGetFramework framework)
{
// check the framework directly, this includes profiles which the range doesn't return
IEnumerable <NuGetFramework> directlyEquivalent = null;
if (_mappings.TryGetEquivalentFrameworks(framework, out directlyEquivalent))
{
foreach (var eqFw in directlyEquivalent)
{
yield return(eqFw);
}
}
// 0.0 through the current framework
FrameworkRange frameworkRange = new FrameworkRange(
new NuGetFramework(framework.Framework, new Version(0, 0), framework.Profile, framework.Platform, framework.PlatformVersion),
framework);
IEnumerable <NuGetFramework> equivalent = null;
if (_mappings.TryGetEquivalentFrameworks(frameworkRange, out equivalent))
{
foreach (var eqFw in equivalent)
{
yield return(eqFw);
}
}
// find all possible sub set frameworks if no profile is used
if (!framework.HasProfile)
{
IEnumerable <string> subSetFrameworks = null;
if (_mappings.TryGetSubSetFrameworks(framework.Framework, out subSetFrameworks))
{
foreach (var subFramework in subSetFrameworks)
{
// clone the framework but use the sub framework instead
yield return(new NuGetFramework(subFramework, framework.Version, framework.Profile, framework.Platform, framework.PlatformVersion));
}
}
}
// explicit compatiblity mappings
IEnumerable <FrameworkRange> ranges = null;
if (_mappings.TryGetCompatibilityMappings(framework, out ranges))
{
foreach (var range in ranges)
{
yield return(range.Min);
if (!range.Min.Equals(range.Max))
{
yield return(range.Max);
}
}
}
yield break;
}
