protected virtual string MatchPartialStringValue([NotNull] ITaskContext context, [NotNull] OptionAttribute attribute, [NotNull] PropertyInfo property, [NotNull] string value)
{
if (!attribute.HasOptions)
{
return(value);
}
var options = new Dictionary <string, string>();
foreach (var method in property.DeclaringType.GetMethods(BindingFlags.Instance | BindingFlags.NonPublic | BindingFlags.Public))
{
var valuesAttribute = method.GetCustomAttribute <OptionValuesAttribute>();
if (valuesAttribute == null || valuesAttribute.Name != property.Name)
{
continue;
}
var tuples = (IEnumerable <(string Name, string Value)>)method.Invoke(this, new object[]
{
context
});
foreach (var tuple in tuples)
{
options[tuple.Name] = tuple.Value;
}
break;
}
if (!options.Any())
{
return(value);
}
var found = 0;
var partialKey = value;
foreach (var option in options)
{
if (option.Key.StartsWith(partialKey, StringComparison.CurrentCultureIgnoreCase))
{
value = option.Value;
found++;
}
}
if (found > 1)
{
throw new InvalidOperationException("Ambiguous parameter: " + partialKey);
}
return(value);
}
protected virtual bool GetOptionBoolValue([NotNull] ITaskContext context, [NotNull] PropertyInfo property, [NotNull] OptionAttribute attribute)
{
string value;
// get positional argument from command line
if (attribute.PositionalArg > 0)
{
if (context.Configuration.TryGet("arg" + attribute.PositionalArg, out value))
{
if (bool.TryParse(value, out var b))
{
return(b);
}
}
}
// get from configuration
if (context.Configuration.TryGet(attribute.Name, out value))
{
if (bool.TryParse(value, out var b))
{
return(b);
}
}
// get from configuration by alias
if (!string.IsNullOrEmpty(attribute.Alias))
{
if (context.Configuration.TryGet(attribute.Alias, out value))
{
if (bool.TryParse(value, out var b))
{
return(b);
}
}
}
// get from configuration by configuration name
if (!string.IsNullOrEmpty(attribute.ConfigurationName))
{
if (context.Configuration.TryGet(attribute.ConfigurationName, out value))
{
if (bool.TryParse(value, out var b))
{
return(b);
}
}
}
// use default value, if any
if (attribute.DefaultValue != null)
{
return((bool)attribute.DefaultValue);
}
// get from user using console
do
{
var b = context.Console.YesNo(attribute.PromptText + @": ", false);
if (b != null)
{
return(b == true);
}
} while (true);
}
protected virtual string GetOptionStringValue([NotNull] ITaskContext context, [NotNull] PropertyInfo property, [NotNull] OptionAttribute attribute)
{
string value;
// get positional argument from command line
if (attribute.PositionalArg > 0)
{
if (context.Configuration.TryGet("arg" + attribute.PositionalArg, out value))
{
return(MatchPartialStringValue(context, attribute, property, value ?? string.Empty));
}
}
// get from configuration
if (context.Configuration.TryGet(attribute.Name, out value))
{
return(value ?? string.Empty);
}
// get from configuration by alias
if (!string.IsNullOrEmpty(attribute.Alias))
{
if (context.Configuration.TryGet(attribute.Alias, out value))
{
return(MatchPartialStringValue(context, attribute, property, value ?? string.Empty));
}
}
// get from configuration by configuration name
if (!string.IsNullOrEmpty(attribute.ConfigurationName))
{
if (context.Configuration.TryGet(attribute.ConfigurationName, out value))
{
return(MatchPartialStringValue(context, attribute, property, value ?? string.Empty));
}
}
// use default value, if any
if (attribute.DefaultValue != null)
{
return((string)attribute.DefaultValue);
}
// get from user using pick list
if (attribute.HasOptions)
{
var options = new Dictionary <string, string>();
foreach (var method in property.DeclaringType.GetMethods(BindingFlags.Instance | BindingFlags.NonPublic | BindingFlags.Public))
{
var valuesAttribute = method.GetCustomAttribute <OptionValuesAttribute>();
if (valuesAttribute == null || valuesAttribute.Name != property.Name)
{
continue;
}
var tuples = (IEnumerable <(string Name, string Value)>)method.Invoke(this, new object[]
{
context
});
foreach (var tuple in tuples)
{
options[tuple.Name] = tuple.Value;
}
break;
}
if (options.Any())
{
do
{
value = context.Console.Pick(attribute.PromptText + @": ", options);
if (!string.IsNullOrEmpty(value) || !attribute.IsRequired)
{
return(value);
}
} while (true);
}
}
// get from user using console
do
{
value = context.Console.ReadLine(attribute.PromptText + @": ", string.Empty);
if (!string.IsNullOrEmpty(value) || !attribute.IsRequired)
{
return(MatchPartialStringValue(context, attribute, property, value));
}
} while (true);
}