public static string GetDataContainerFactoryType(this SourceDefinition sourceDefinition)
{
string factoryName;
switch (sourceDefinition.ValueType)
{
case ValueType.Value:
factoryName = "DataContainerFactory";
break;
case ValueType.Array:
factoryName = "CollectionDataContainerFactory";
break;
case ValueType.NullableArray:
factoryName = "CollectionNullableDataContainerFactory";
break;
default:
throw new Exception("Unrecognized source definition type.");
}
if (sourceDefinition.IsNullable)
{
return($"Nullable{factoryName}");
}
return(factoryName);
}
public static string Generate(SourceDefinition source)
{
IEnumerable <ValidatorGroups[]> paths;
switch (source.ValueType)
{
case ValueType.Value:
paths = Data.ValueValidationPaths;
break;
case ValueType.Array:
paths = Data.ArrayValidationPaths;
break;
default:
return(String.Empty);
}
var root = new ExtensionPathNode(null, null);
foreach (var path in paths)
{
AddValidators(root, path);
}
var extensions = ExtensionGenerator.GenerateInvertExtensionOne(source)
.Concat(GenerateExtensions(source, root));
var header = _header.Replace("__StateValidator__", source.GetSourceName(Option.None <string>()));
return($"{header}{String.Join($"{Environment.NewLine}{Environment.NewLine}", extensions)}{_footer}");
}
public static string GetParameters(this ExtensionDefinition extension, SourceDefinition sourceDefinition, string valueGenericName)
=> String
.Join
(
String.Empty,
extension
.Parameters
.Where(p => !p.Value.HasValue())
.Select(p => $", {p.GetTypeName(GetValidatorValueType(sourceDefinition, valueGenericName, Option.Some(extension.Validator)))} {p.Name}{p.DefaultValue.Match(v => $" = {v}", () => String.Empty)}")
);
public static string GetDataValueType(this SourceDefinition sourceDefinition, string valueName)
{
var dataValueName = GetValidatorValueType(sourceDefinition, valueName, Option.None <ValidatorDefinition>());
if (sourceDefinition.IsNullable)
{
return($"Option<{dataValueName}>");
}
return(dataValueName);
}
public static IEnumerable <string> GenerateExtensionOne(SourceDefinition sourceDefinition, Option <string> dataType, ExtensionDefinition extension)
{
if (sourceDefinition.ValueType == ValueType.Value && extension.Validator.ValueType != ValueType.Value)
{
throw new Exception("Array extensions cannot be generated for value type sources.");
}
var valueGenericName = dataType.Match(_ => _, () => "TValue");
var genericParameters = dataType.Match(_ => Array.Empty <string>(), () => new[] { "TValue" });
yield return(PopulateTemplate(_singleExtensionTemplate, sourceDefinition, valueGenericName, genericParameters, null, null, extension, false, false));
}
private static string PopulateTemplate(string template, SourceDefinition sourceDefinition, string valueGenericName, string[] genericParameters, ValidatorDefinition validatorOne, ValidatorDefinition validatorTwo, ExtensionDefinition extension, bool invertOne, bool invertTwo)
=> template
.Replace("__Nullable__", $"{(sourceDefinition.IsNullable ? "Nullable" : String.Empty)}")
.Replace("__InvertOne__", $"{(invertOne ? "Inverted" : "Standard")}")
.Replace("__InvertTwo__", $"{(invertTwo ? "Inverted" : "Standard")}")
.Replace("__StateValidator__", sourceDefinition.GetSourceName(Option.Some(valueGenericName)))
.Replace("__ValueValidatorOne__", validatorOne?.GetValidatorName(GetValueForValidator(sourceDefinition, validatorOne, valueGenericName)) ?? String.Empty)
.Replace("__ValueValidatorTwo__", validatorTwo?.GetValidatorName(GetValueForValidator(sourceDefinition, validatorTwo, valueGenericName)) ?? String.Empty)
.Replace("__NewValueValidator__", extension?.Validator.GetValidatorName(GetValueForValidator(sourceDefinition, extension?.Validator, valueGenericName)) ?? String.Empty)
.Replace("__TValueType__", sourceDefinition.ValueType == ValueType.Array ? $"{valueGenericName}[]" : valueGenericName)
.Replace("__ExtensionName__", extension?.ExtensionName ?? String.Empty)
.Replace("__GenericParameters__", genericParameters.Any() ? $"<{String.Join(", ", genericParameters)}>" : String.Empty)
.Replace("__ExtensionParameters__", String.Join(String.Empty, extension?.Parameters.Where(p => !p.Value.HasValue()).Select(p => $", {p.GetTypeName(GetValueForValidator(sourceDefinition, extension?.Validator, valueGenericName))} {p.Name}{p.DefaultValue.Match(v => $" = {v}", () => String.Empty)}") ?? Enumerable.Empty <string>()))
.Replace("__Parameters__", String.Join(", ", extension?.Parameters.Select(p => p.Value.Match(v => v, () => p.Name)) ?? Enumerable.Empty <string>()));
public static IEnumerable <string> GenerateInvertExtensionTwo(SourceDefinition sourceDefinition, Option <string> dataType, ValidatorDefinition validatorOne)
{
if (sourceDefinition.ValueType == ValueType.Value && validatorOne.ValueType != ValueType.Value)
{
throw new Exception("Array extensions cannot be generated for value type sources.");
}
var valueGenericName = dataType.Match(_ => _, () => "TValue");
var genericParameters = dataType.Match(_ => new[] { "TValueValidator" }, () => new[] { "TValueValidator", "TValue" });
yield return(PopulateTemplate(_doubleNotTemplate, sourceDefinition, valueGenericName, genericParameters, validatorOne, null, null, false, false));
yield return(PopulateTemplate(_doubleNotTemplate, sourceDefinition, valueGenericName, genericParameters, validatorOne, null, null, true, false));
}
public static IEnumerable <string> GenerateExtensionThree(SourceDefinition sourceDefinition, Option <string> dataType, ValidatorDefinition validatorOne, ValidatorDefinition validatorTwo, ExtensionDefinition extension)
{
if (sourceDefinition.ValueType == ValueType.Value && (validatorOne.ValueType != ValueType.Value || validatorTwo.ValueType != ValueType.Value || extension.Validator.ValueType != ValueType.Value))
{
throw new Exception("Array extensions cannot be generated for value type sources.");
}
var valueGenericName = dataType.Match(_ => _, () => ValueGeneric);
var genericParameters = dataType.Match(_ => Array.Empty <string>(), () => new[] { ValueGeneric });
yield return(PopulateTemplate(_tripleExtensionTemplate, sourceDefinition, valueGenericName, genericParameters, validatorOne, validatorTwo, extension, false, false));
yield return(PopulateTemplate(_tripleExtensionTemplate, sourceDefinition, valueGenericName, genericParameters, validatorOne, validatorTwo, extension, true, false));
yield return(PopulateTemplate(_tripleExtensionTemplate, sourceDefinition, valueGenericName, genericParameters, validatorOne, validatorTwo, extension, false, true));
yield return(PopulateTemplate(_tripleExtensionTemplate, sourceDefinition, valueGenericName, genericParameters, validatorOne, validatorTwo, extension, true, true));
}
public static string GetValidatorValueType(this SourceDefinition sourceDefinition, string valueName, Option <ValidatorDefinition> validator)
{
var validatorType = validator.Select(v => v.ValueType).ToNullable();
switch (sourceDefinition.ValueType)
{
case ValueType.Value:
switch (validatorType ?? ValueType.Value)
{
case ValueType.Value:
return(valueName);
}
break;
case ValueType.Array:
switch (validatorType ?? ValueType.Value)
{
case ValueType.Value:
return($"{valueName}[]");
case ValueType.Array:
return(valueName);
}
break;
case ValueType.NullableArray:
switch (validatorType ?? ValueType.Value)
{
case ValueType.Value:
return($"Option<{valueName}>[]");
case ValueType.Array:
return($"Option<{valueName}>");
case ValueType.NullableArray:
return(valueName);
}
break;
}
throw new Exception("Unsupported source and validator type combination.");
}
private static string PopulateTemplate(string template, SourceDefinition sourceDefinition, string valueGenericName, string[] genericParameters, ValidatorDefinition validatorOne, ValidatorDefinition validatorTwo, ExtensionDefinition extension, bool invertOne, bool invertTwo, bool joinSourceAndValue = false)
=> template
.Replace("__InvertOne__", $"{(invertOne ? "Inverted" : "Standard")}")
.Replace("__InvertTwo__", $"{(invertTwo ? "Inverted" : "Standard")}")
.Replace("__Inverted__", $"{((extension?.Invert ?? false) ? "Inverted" : "Standard")}")
.Replace("__DataContainerFactory__", sourceDefinition.GetDataContainerFactoryType())
.Replace("__StateValidator__", sourceDefinition.GetSourceName(valueGenericName))
.Replace("__TSourceType__", joinSourceAndValue ? valueGenericName : SourceGeneric)
.Replace("__TValueType__", valueGenericName)
.Replace("__TDataValueType__", sourceDefinition.GetDataValueType(valueGenericName))
.Replace("__TValidatorValueType__", sourceDefinition.GetValidatorValueType(valueGenericName, Option.None <ValidatorDefinition>()))
.Replace("__ValueValidatorOne__", validatorOne?.GetName(sourceDefinition, valueGenericName) ?? String.Empty)
.Replace("__ValueValidatorTwo__", validatorTwo?.GetName(sourceDefinition, valueGenericName) ?? String.Empty)
.Replace("__NewValueValidator__", extension?.Validator.GetName(sourceDefinition, valueGenericName) ?? String.Empty)
.Replace("__ExtensionName__", extension?.ExtensionName ?? String.Empty)
.Replace("__GenericParameters__", HelperExtensions.ConstructorGenericParameters(genericParameters, Option.Create(!joinSourceAndValue, SourceGeneric)))
.Replace("__ExtensionParameters__", extension?.GetParameters(sourceDefinition, valueGenericName) ?? String.Empty)
.Replace("__Arguments__", extension?.GetArguments() ?? String.Empty)
.Replace("__NotOpen__", $"{((extension?.Invert ?? false) ? @".Not(s => s" : String.Empty)}")
.Replace("__NotClose__", $"{((extension?.Invert ?? false) ? ")" : String.Empty)}");
private static IEnumerable <string> GenerateExtension(SourceDefinition source, ExtensionPathNode node)
{
if (!node.Extensions.Any())
{
return(Enumerable.Empty <string>());
}
var nodes = new List <ExtensionPathNode>();
var current = node;
while (current != null)
{
nodes.Insert(0, current);
current = current.Parent;
}
switch (nodes.Count)
{
case 1:
return(nodes[0]
.Extensions
.SelectMany(extension => ExtensionGenerator.GenerateExtensionOne(source, node.DataType.Match(Option.Some, () => extension.DataType), extension)));
case 2:
return(nodes[1]
.Extensions
.SelectMany(extension => ExtensionGenerator.GenerateExtensionTwo(source, node.DataType.Match(Option.Some, () => extension.DataType), nodes[1].Validator, extension))
.Concat(ExtensionGenerator.GenerateInvertExtensionTwo(source, node.DataType, nodes[1].Validator)));
case 3:
return(nodes[2]
.Extensions
.SelectMany(extension => ExtensionGenerator.GenerateExtensionThree(source, node.DataType.Match(Option.Some, () => extension.DataType), nodes[1].Validator, nodes[2].Validator, extension))
.Concat(ExtensionGenerator.GenerateInvertExtensionThree(source, node.DataType, nodes[1].Validator, nodes[2].Validator)));
default:
throw new Exception("Extensions of this length are not supported.");
}
}
public static string GetName(this ValidatorDefinition validator, SourceDefinition sourceDefinition, string valueGenericName) => validator.GetValidatorName(sourceDefinition.GetValidatorValueType(valueGenericName, Option.Some(validator)));
private static string GetValueForValidator(SourceDefinition sourceDefinition, ValidatorDefinition validator, string valueGenericName)
=> sourceDefinition.ValueType == ValueType.Array && validator?.ValueType == ValueType.Value ? $"{valueGenericName}[]" : valueGenericName;
public static IEnumerable <string> GenerateInvertExtensionOne(SourceDefinition sourceDefinition)
{
yield return(PopulateTemplate(_singleNotTemplate, sourceDefinition, "TValue", new[] { "TValueValidator", "TValue" }, null, null, null, false, false));
}
public static IEnumerable <string> GenerateInvertExtensionOne(SourceDefinition sourceDefinition)
{
yield return(PopulateTemplate(_validatorNotTemplate, sourceDefinition, ValueGeneric, new[] { ValueGeneric, ValueValidatorGeneric }, null, null, null, false, false, true));
yield return(PopulateTemplate(_singleNotTemplate, sourceDefinition, ValueGeneric, new[] { ValueGeneric, ValueValidatorGeneric }, null, null, null, false, false));
}
private static IEnumerable <string> GenerateExtensions(SourceDefinition source, ExtensionPathNode node) => GenerateExtension(source, node) .Concat(node.Children.SelectMany(child => GenerateExtensions(source, child)));
