public static MSBuildValueKind InferValueKindIfUnknown(this ValueInfo variable)
{
if (variable.ValueKind != MSBuildValueKind.Unknown)
{
return(variable.ValueKind);
}
if (variable is MSBuildLanguageAttribute att)
{
switch (att.Name)
{
case "Include":
case "Exclude":
case "Remove":
case "Update":
return(MSBuildValueKind.File.List());
}
}
//assume known items are files
if (variable.ValueKind == MSBuildValueKind.UnknownItem)
{
return(MSBuildValueKind.File);
}
if (variable.ValueKind == MSBuildValueKind.UnknownItem.List())
{
return(MSBuildValueKind.File.List());
}
bool isProperty = variable is PropertyInfo;
if (isProperty || variable is MetadataInfo)
{
if (StartsWith("Enable") ||
StartsWith("Disable") ||
StartsWith("Require") ||
StartsWith("Use") ||
StartsWith("Allow") ||
EndsWith("Enabled") ||
EndsWith("Disabled") ||
EndsWith("Required"))
{
return(MSBuildValueKind.Bool);
}
if (EndsWith("DependsOn"))
{
return(MSBuildValueKind.TargetName.List());
}
if (EndsWith("Path"))
{
return(MSBuildValueKind.FileOrFolder);
}
if (EndsWith("Paths"))
{
return(MSBuildValueKind.FileOrFolder.List());
}
if (EndsWith("Directory") ||
EndsWith("Dir"))
{
return(MSBuildValueKind.Folder);
}
if (EndsWith("File"))
{
return(MSBuildValueKind.File);
}
if (EndsWith("FileName"))
{
return(MSBuildValueKind.Filename);
}
if (EndsWith("Url"))
{
return(MSBuildValueKind.Url);
}
if (EndsWith("Ext"))
{
return(MSBuildValueKind.Extension);
}
if (EndsWith("Guid"))
{
return(MSBuildValueKind.Guid);
}
if (EndsWith("Directories") || EndsWith("Dirs"))
{
return(MSBuildValueKind.Folder.List());
}
if (EndsWith("Files"))
{
return(MSBuildValueKind.File.List());
}
}
//make sure these work even if the common targets schema isn't loaded
if (isProperty)
{
switch (variable.Name.ToLowerInvariant())
{
case "configuration":
return(MSBuildValueKind.Configuration);
case "platform":
return(MSBuildValueKind.Platform);
}
}
return(MSBuildValueKind.Unknown);
bool StartsWith(string prefix) => variable.Name.StartsWith(prefix, StringComparison.OrdinalIgnoreCase) &&
variable.Name.Length > prefix.Length &&
char.IsUpper(variable.Name[prefix.Length]);
bool EndsWith(string suffix) => variable.Name.EndsWith(suffix, StringComparison.OrdinalIgnoreCase);
}