public static IList <KeyValuePair <IFreeValueDefinition, FreeValue> > TransformFreeValues(
IList <KeyValuePair <IFreeValueDefinition, string> > rawFreeValues)
{
if (rawFreeValues == null)
{
return(Array.Empty <KeyValuePair <IFreeValueDefinition, FreeValue> >());
}
return(rawFreeValues.Select(fv =>
{
IFreeValueDefinition freeValueDefinition = fv.Key;
ValueTransformer transformer = freeValueDefinition.Transformer;
try
{
IList <object> transformed = transformer.Transform(fv.Value);
return new KeyValuePair <IFreeValueDefinition, FreeValue>(
freeValueDefinition,
new FreeValue(fv.Value, transformed));
}
catch (ArgParsingException)
{
throw;
}
catch
{
throw new ArgParsingException(
ArgsParsingErrorCode.TransformValueFailed,
fv.Value);
}
})
.ToArray());
}
public static IList <KeyValuePair <IOptionDefinition, OptionValue> > TransformOptionValues(
IEnumerable <KeyValuePair <IOptionDefinition, IList <string> > > rawOptionValues)
{
if (rawOptionValues == null)
{
return(Array.Empty <KeyValuePair <IOptionDefinition, OptionValue> >());
}
return(rawOptionValues
.Select(
ov =>
{
IOptionDefinition optionDefinition = ov.Key;
ValueTransformer transformer = optionDefinition.Transformer;
try
{
return new KeyValuePair <IOptionDefinition, OptionValue>(
optionDefinition,
new OptionValue(ov.Value, transformer.Transform(ov.Value)));
}
catch (ArgParsingException)
{
throw;
}
catch
{
throw new ArgParsingException(
ArgsParsingErrorCode.TransformValueFailed,
$"Option: {ov.Key.ToString()}; Values: {String.Join(" ", ov.Value)}.");
}
})
.ToArray());
}
public OptionDefinition(
string symbol,
char?abbreviation,
string description,
bool isRequired = false,
OptionType type = OptionType.KeyValue,
ValueTransformer transformer = null)
{
Symbol = new OptionSymbol(symbol, abbreviation);
Description = description ?? string.Empty;
IsRequired = isRequired;
Type = type;
Transformer = transformer ?? DefaultTransformer.Instance;
}
/// <summary>
/// Add a key-value option for current command.
/// </summary>
/// <param name="fullForm">
/// The full form of the key. If current key does not contains a full form. The argument
/// should be <c>null</c>.
/// </param>
/// <param name="abbreviation">
/// The abbreviation form of the key. If current key does not contains a abbreviation form.
/// The argument should be <c>null</c>.
/// </param>
/// <param name="description">
/// The description for this key-value option. Please note that all the line-breaks will be
/// removed for consisitency.
/// </param>
/// <param name="isRequired">
/// Indicating whether this key-value option is required.
/// </param>
/// <param name="transformer">
/// The transformer of the value. If you would like to keep the original string representation,
/// just pass <c>null</c>.
/// </param>
/// <returns>The command builder instance.</returns>
/// <exception cref="ArgumentException">
/// <para>
/// The <paramref name="fullForm"/> and <paramref name="abbreviation"/> both are <c>null</c>.
/// </para>
/// <para>-- Or --</para>
/// <para>
/// The <paramref name="fullForm"/> is not a valid identifier.
/// </para>
/// <para>-- Or --</para>
/// <para>
/// The <paramref name="abbreviation"/> is not an english alphabet.
/// </para>
/// <para>-- Or --</para>
/// <para>
/// This definition is conflict with another existed definition.
/// </para>
/// </exception>
public CommandBuilder AddOptionWithValue(
string fullForm,
char?abbreviation,
string description,
bool isRequired = false,
ValueTransformer transformer = null)
{
commandDefinition.RegisterOption(
new OptionDefinition(
fullForm,
abbreviation,
description,
isRequired,
OptionType.KeyValue,
transformer));
return(this);
}
public FreeValueDefinition(string name, string description, bool isRequired = false, ValueTransformer transformer = null)
{
ValidateName(name);
Name = name;
IsRequired = isRequired;
Description = description ?? string.Empty;
Transformer = transformer ?? DefaultTransformer.Instance;
}
/// <summary>
/// Add a free value definition for current command. This operation will automatically enable
/// free value for this command.
/// </summary>
/// <param name="name">The name of the free value.</param>
/// <param name="description">
/// The description of the free value. Please note that all the line-breaks will be
/// removed for consisitency.
/// </param>
/// <param name="isRequired">
/// Whether the free value is mandatory.
/// </param>
/// <param name="transformer">
/// The transformer of the value. If you would like to keep the original string representation,
/// just pass <c>null</c>.
/// </param>
/// <returns>The command builder instance.</returns>
/// <exception cref="ArgumentNullException">
/// The <paramref name="name"/> is <c>null</c>.
/// </exception>
/// <exception cref="ArgumentException">
/// Current free value is conflict with existing free value definitions.
/// </exception>
public CommandBuilder AddFreeValue(string name, string description, bool isRequired = false, ValueTransformer transformer = null)
{
var definition = new FreeValueDefinition(name, description, isRequired, transformer);
commandDefinition.RegisterFreeValue(definition);
allowFreeValue = true;
return(this);
}
