public override IParsingResult <ExclusiveFileOptionResult> Parse(SuccessfulResultCollection parseInput)
{
var result1 = parseInput.Get(_option1);
var result2 = parseInput.Get(_option2);
if (result1 != null && result2 != null)
{
return(ParsingResult <ExclusiveFileOptionResult> .FailedResult($"Please specify either option {_option1.Info.Name} or option {_option2.Info.Name}, but not both"));
}
if (_isRequired && result1 == null && result2 == null)
{
return(ParsingResult <ExclusiveFileOptionResult> .FailedResult($"Either option {_option1.Info.Name} or option {_option2.Info.Name} must be specified"));
}
IFileLocation result = null;
FileOption option = null;
if (result1 != null)
{
result = result1;
option = _option1;
}
if (result2 != null)
{
result = result2;
option = _option2;
}
return(ParsingResult <ExclusiveFileOptionResult> .SuccessfulResult(new ExclusiveFileOptionResult(result, option)));
}
private static ExclusiveFileOption Create(FileOption option1, FileOption option2, bool isRequired)
{
var updatedOption1Description = option1.Info.Description + $" (either this option or option {option2.Info.Name} is required)";
var updatedOption2Description = option2.Info.Description + $" (either this option or option {option1.Info.Name} is required)";
var updateOption1 = FileOption.Create(updatedOption1Description, option1.Info.Names.ToArray());
var updateOption2 = FileOption.Create(updatedOption2Description, option2.Info.Names.ToArray());
return(new ExclusiveFileOption(updateOption1, updateOption2, isRequired));
}
public static ExclusiveFileOption Create(FileOption option1, FileOption option2)
{
return(Create(option1, option2, false));
}
public static ExclusiveFileOption CreateRequired(FileOption option1, FileOption option2)
{
return(Create(option1, option2, true));
}
public ExclusiveFileOption(FileOption option1, FileOption option2, bool isRequired)
{
_option1 = option1;
_option2 = option2;
_isRequired = isRequired;
}
public ExclusiveFileOptionResult(IFileLocation result, FileOption matchedOption)
{
Result = result;
MatchedOption = matchedOption;
}
