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CommonLanguageRefiner.cs
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using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
using Kiota.Builder.CodeDOM;
using Kiota.Builder.Configuration;
using Kiota.Builder.Extensions;
namespace Kiota.Builder.Refiners;
public abstract class CommonLanguageRefiner : ILanguageRefiner
{
protected static readonly char[] UnderscoreArray = new[] { '_' };
protected CommonLanguageRefiner(GenerationConfiguration configuration)
{
ArgumentNullException.ThrowIfNull(configuration);
_configuration = configuration;
}
public abstract Task Refine(CodeNamespace generatedCode, CancellationToken cancellationToken);
/// <summary>
/// This method adds the imports for the default serializers and deserializers to the api client class.
/// It also updates the module names to replace the fully qualified class name by the class name without the namespace.
/// </summary>
protected void AddSerializationModulesImport(CodeElement generatedCode, string[]? serializationWriterFactoryInterfaceAndRegistrationFullName = default, string[]? parseNodeFactoryInterfaceAndRegistrationFullName = default, char separator = '.')
{
serializationWriterFactoryInterfaceAndRegistrationFullName ??= Array.Empty<string>();
parseNodeFactoryInterfaceAndRegistrationFullName ??= Array.Empty<string>();
if (generatedCode is CodeMethod currentMethod &&
currentMethod.IsOfKind(CodeMethodKind.ClientConstructor) &&
currentMethod.Parent is CodeClass currentClass &&
currentClass.StartBlock is ClassDeclaration declaration)
{
var cumulatedSymbols = currentMethod.DeserializerModules
.Union(currentMethod.SerializerModules)
.Union(serializationWriterFactoryInterfaceAndRegistrationFullName)
.Union(parseNodeFactoryInterfaceAndRegistrationFullName)
.Where(x => !string.IsNullOrEmpty(x))
.ToList();
currentMethod.DeserializerModules = currentMethod.DeserializerModules.Select(x => x.Split(separator).Last()).ToHashSet(StringComparer.OrdinalIgnoreCase);
currentMethod.SerializerModules = currentMethod.SerializerModules.Select(x => x.Split(separator).Last()).ToHashSet(StringComparer.OrdinalIgnoreCase);
declaration.AddUsings(cumulatedSymbols.Select(x => new CodeUsing
{
Name = x.Split(separator).Last(),
Declaration = new CodeType
{
Name = x.Split(separator).SkipLast(1).Aggregate((x, y) => $"{x}{separator}{y}"),
IsExternal = true,
}
}).ToArray());
return;
}
CrawlTree(generatedCode, x => AddSerializationModulesImport(x, serializationWriterFactoryInterfaceAndRegistrationFullName, parseNodeFactoryInterfaceAndRegistrationFullName, separator));
}
protected static void ReplaceDefaultSerializationModules(CodeElement generatedCode, HashSet<string> defaultValues, HashSet<string> newModuleNames)
{
ArgumentNullException.ThrowIfNull(defaultValues);
if (ReplaceSerializationModules(generatedCode, static x => x.SerializerModules, (x, y) => x.SerializerModules = y, defaultValues, newModuleNames))
return;
CrawlTree(generatedCode, x => ReplaceDefaultSerializationModules(x, defaultValues, newModuleNames));
}
protected static void ReplaceDefaultDeserializationModules(CodeElement generatedCode, HashSet<string> defaultValues, HashSet<string> newModuleNames)
{
ArgumentNullException.ThrowIfNull(defaultValues);
if (ReplaceSerializationModules(generatedCode, static x => x.DeserializerModules, (x, y) => x.DeserializerModules = y, defaultValues, newModuleNames))
return;
CrawlTree(generatedCode, x => ReplaceDefaultDeserializationModules(x, defaultValues, newModuleNames));
}
private static bool ReplaceSerializationModules(CodeElement generatedCode, Func<CodeMethod, HashSet<string>> propertyGetter, Action<CodeMethod, HashSet<string>> propertySetter, HashSet<string> initialNames, HashSet<string> moduleNames)
{
if (generatedCode is CodeMethod currentMethod &&
currentMethod.IsOfKind(CodeMethodKind.ClientConstructor))
{
var modules = propertyGetter.Invoke(currentMethod);
if (modules.Count == initialNames.Count &&
modules.All(initialNames.Contains))
{
propertySetter.Invoke(currentMethod, moduleNames);
return true;
}
}
return false;
}
protected static void CorrectCoreTypesForBackingStore(CodeElement currentElement, string defaultPropertyValue, bool hasPrefix = true)
{
if (currentElement is CodeClass currentClass && currentClass.IsOfKind(CodeClassKind.Model, CodeClassKind.RequestBuilder)
&& currentClass.StartBlock is ClassDeclaration currentDeclaration)
{
var backedModelImplements = currentDeclaration.Implements.FirstOrDefault(x => "IBackedModel".Equals(x.Name, StringComparison.OrdinalIgnoreCase));
if (backedModelImplements != null)
backedModelImplements.Name = backedModelImplements.Name[1..]; //removing the "I"
var backingStoreProperty = currentClass.GetPropertyOfKind(CodePropertyKind.BackingStore);
if (backingStoreProperty != null)
{
backingStoreProperty.DefaultValue = defaultPropertyValue;
backingStoreProperty.NamePrefix = hasPrefix ? backingStoreProperty.NamePrefix : string.Empty;
}
}
CrawlTree(currentElement, x => CorrectCoreTypesForBackingStore(x, defaultPropertyValue, hasPrefix));
}
private static bool DoesAnyParentHaveAPropertyWithDefaultValue(CodeClass current)
{
if (current.StartBlock is ClassDeclaration currentDeclaration &&
currentDeclaration.Inherits?.TypeDefinition is CodeClass parentClass)
{
if (parentClass.Properties.Any(static x => !string.IsNullOrEmpty(x.DefaultValue)))
return true;
return DoesAnyParentHaveAPropertyWithDefaultValue(parentClass);
}
return false;
}
protected static void CorrectNames(CodeElement current, Func<string, string> refineName,
bool classNames = true,
bool enumNames = true)
{
ArgumentNullException.ThrowIfNull(refineName);
if (current is CodeClass currentClass && classNames &&
refineName(currentClass.Name) is string refinedClassName &&
!currentClass.Name.Equals(refinedClassName, StringComparison.Ordinal) &&
currentClass.Parent is IBlock parentBlock)
{
parentBlock.RenameChildElement(currentClass.Name, refinedClassName);
}
else if (current is CodeEnum currentEnum &&
enumNames &&
refineName(currentEnum.Name) is string refinedEnumName &&
!currentEnum.Name.Equals(refinedEnumName, StringComparison.Ordinal) &&
currentEnum.Parent is IBlock parentBlock2)
{
parentBlock2.RenameChildElement(currentEnum.Name, refinedEnumName);
}
CrawlTree(current, x => CorrectNames(x, refineName));
}
protected static void ReplacePropertyNames(CodeElement current, HashSet<CodePropertyKind> propertyKindsToReplace, Func<string, string> refineAccessorName)
{
ArgumentNullException.ThrowIfNull(refineAccessorName);
if (propertyKindsToReplace is null || propertyKindsToReplace.Count == 0) return;
if (current is CodeProperty currentProperty &&
!currentProperty.ExistsInBaseType &&
propertyKindsToReplace!.Contains(currentProperty.Kind) &&
current.Parent is CodeClass parentClass &&
currentProperty.Access == AccessModifier.Public)
{
var refinedName = refineAccessorName(currentProperty.Name);
if (!refinedName.Equals(currentProperty.Name, StringComparison.Ordinal) &&
!parentClass.Properties.Any(property => !currentProperty.Name.Equals(property.Name, StringComparison.Ordinal) &&
refinedName.Equals(property.Name, StringComparison.OrdinalIgnoreCase)))// ensure the refinement won't generate a duplicate
{
if (string.IsNullOrEmpty(currentProperty.SerializationName))
currentProperty.SerializationName = currentProperty.Name;
parentClass.RenameChildElement(currentProperty.Name, refinedName);
}
}
CrawlTree(current, x => ReplacePropertyNames(x, propertyKindsToReplace!, refineAccessorName));
}
protected static void AddGetterAndSetterMethods(CodeElement current, HashSet<CodePropertyKind> propertyKindsToAddAccessors, Func<CodeElement, string, string> refineAccessorName, bool removeProperty, bool parameterAsOptional, string getterPrefix, string setterPrefix, string fieldPrefix = "_", AccessModifier propertyAccessModifier = AccessModifier.Private)
{
ArgumentNullException.ThrowIfNull(refineAccessorName);
var isSetterPrefixEmpty = string.IsNullOrEmpty(setterPrefix);
var isGetterPrefixEmpty = string.IsNullOrEmpty(getterPrefix);
if (propertyKindsToAddAccessors is null || propertyKindsToAddAccessors.Count == 0) return;
if (current is CodeProperty currentProperty &&
!currentProperty.ExistsInBaseType &&
propertyKindsToAddAccessors!.Contains(currentProperty.Kind) &&
current.Parent is CodeClass parentClass &&
!parentClass.IsOfKind(CodeClassKind.QueryParameters))
{
if (removeProperty && currentProperty.IsOfKind(CodePropertyKind.Custom, CodePropertyKind.AdditionalData)) // we never want to remove backing stores
parentClass.RemoveChildElement(currentProperty);
else
{
currentProperty.Access = propertyAccessModifier;
if (!string.IsNullOrEmpty(fieldPrefix))
currentProperty.NamePrefix = fieldPrefix;
}
var accessorName = refineAccessorName(current, currentProperty.Name.ToFirstCharacterUpperCase());
currentProperty.Getter = parentClass.AddMethod(new CodeMethod
{
Name = $"{(isGetterPrefixEmpty ? "get-" : getterPrefix)}{accessorName}",
Access = AccessModifier.Public,
IsAsync = false,
Kind = CodeMethodKind.Getter,
ReturnType = (CodeTypeBase)currentProperty.Type.Clone(),
Documentation = new(currentProperty.Documentation.TypeReferences.ToDictionary(static x => x.Key, static x => x.Value))
{
DescriptionTemplate = $"Gets the {currentProperty.WireName} property value. {currentProperty.Documentation.DescriptionTemplate}",
},
AccessedProperty = currentProperty,
Deprecation = currentProperty.Deprecation,
}).First();
if (isGetterPrefixEmpty)
currentProperty.Getter.Name = $"{getterPrefix}{accessorName}"; // so we don't get an exception for duplicate names when no prefix
currentProperty.Setter = parentClass.AddMethod(new CodeMethod
{
Name = $"{(isSetterPrefixEmpty ? "set-" : setterPrefix)}{accessorName}",
Access = AccessModifier.Public,
IsAsync = false,
Kind = CodeMethodKind.Setter,
Documentation = new(currentProperty.Documentation.TypeReferences.ToDictionary(static x => x.Key, static x => x.Value))
{
DescriptionTemplate = $"Sets the {currentProperty.WireName} property value. {currentProperty.Documentation.DescriptionTemplate}",
},
AccessedProperty = currentProperty,
ReturnType = new CodeType
{
Name = "void",
IsNullable = false,
IsExternal = true,
},
Deprecation = currentProperty.Deprecation,
}).First();
if (isSetterPrefixEmpty)
currentProperty.Setter.Name = $"{setterPrefix}{accessorName}"; // so we don't get an exception for duplicate names when no prefix
currentProperty.Setter.AddParameter(new CodeParameter
{
Name = "value",
Kind = CodeParameterKind.SetterValue,
Documentation = new()
{
DescriptionTemplate = $"Value to set for the {currentProperty.WireName} property.",
},
Optional = parameterAsOptional,
Type = (CodeTypeBase)currentProperty.Type.Clone(),
});
}
CrawlTree(current, x => AddGetterAndSetterMethods(x, propertyKindsToAddAccessors!, refineAccessorName, removeProperty, parameterAsOptional, getterPrefix, setterPrefix, fieldPrefix, propertyAccessModifier));
}
protected static void AddConstructorsForDefaultValues(CodeElement current, bool addIfInherited, bool forceAdd = false, CodeClassKind[]? classKindsToExclude = null)
{
if (current is CodeClass currentClass &&
!currentClass.IsOfKind(CodeClassKind.RequestBuilder, CodeClassKind.QueryParameters) &&
(classKindsToExclude == null || !currentClass.IsOfKind(classKindsToExclude)) &&
(forceAdd ||
currentClass.Properties.Any(static x => !string.IsNullOrEmpty(x.DefaultValue)) ||
addIfInherited && DoesAnyParentHaveAPropertyWithDefaultValue(currentClass)) &&
!currentClass.Methods.Any(x => x.IsOfKind(CodeMethodKind.ClientConstructor)))
currentClass.AddMethod(new CodeMethod
{
Name = "constructor",
Kind = CodeMethodKind.Constructor,
ReturnType = new CodeType
{
Name = "void"
},
IsAsync = false,
Documentation = new(new() {
{ "TypeName", new CodeType() {
IsExternal = false,
TypeDefinition = current,
}}
})
{
DescriptionTemplate = "Instantiates a new {TypeName} and sets the default values.",
},
});
CrawlTree(current, x => AddConstructorsForDefaultValues(x, addIfInherited, forceAdd, classKindsToExclude));
}
protected static void ReplaceReservedModelTypes(CodeElement current, IReservedNamesProvider provider, Func<string, string> replacement) =>
ReplaceReservedNames(current,
provider,
replacement,
codeElementExceptions: new HashSet<Type> { typeof(CodeNamespace) },
shouldReplaceCallback: codeElement => codeElement is CodeClass
|| codeElement is CodeMethod
|| codeElement is CodeEnum codeEnum && provider.ReservedNames.Contains(codeEnum.Name)); // only replace enum type names not enum member names
protected static void ReplaceReservedNamespaceTypeNames(CodeElement current, IReservedNamesProvider provider, Func<string, string> replacement) =>
ReplaceReservedNames(current, provider, replacement, shouldReplaceCallback: codeElement => codeElement is CodeNamespace || codeElement is CodeClass);
private static Func<string, string> CheckReplacementNameIsNotAlreadyInUse(CodeNamespace parentNamespace, CodeElement originalItem, Func<string, string> replacement)
{
var newReplacement = replacement;
var index = 0;
while (true)
{
if (index > 0)
newReplacement = name => $"{replacement(name)}{index}";
if (parentNamespace.FindChildByName<CodeElement>(newReplacement(originalItem.Name), false) is null)
return newReplacement;
index++;
}
}
protected static void ReplaceReservedExceptionPropertyNames(CodeElement current, IReservedNamesProvider provider, Func<string, string> replacement)
{
ReplaceReservedNames(
current,
provider,
replacement,
null,
static x => ((x is CodeProperty prop && prop.IsOfKind(CodePropertyKind.Custom)) || x is CodeMethod) && x.Parent is CodeClass parent && parent.IsOfKind(CodeClassKind.Model) && parent.IsErrorDefinition
);
}
protected static void ReplaceReservedNames(CodeElement current, IReservedNamesProvider provider, Func<string, string> replacement, HashSet<Type>? codeElementExceptions = null, Func<CodeElement, bool>? shouldReplaceCallback = null)
{
ArgumentNullException.ThrowIfNull(current);
ArgumentNullException.ThrowIfNull(provider);
ArgumentNullException.ThrowIfNull(replacement);
var shouldReplace = shouldReplaceCallback?.Invoke(current) ?? true;
var isNotInExceptions = !codeElementExceptions?.Contains(current.GetType()) ?? true;
if (current is CodeClass currentClass &&
isNotInExceptions &&
shouldReplace &&
currentClass.StartBlock is ClassDeclaration currentDeclaration)
{
replacement = CheckReplacementNameIsNotAlreadyInUse(currentClass.GetImmediateParentOfType<CodeNamespace>(), current, replacement);
// if we are don't have a CodeNamespace exception, the namespace segments are also being replaced
// in the CodeNamespace if-block so we also need to update the using references
if (!codeElementExceptions?.Contains(typeof(CodeNamespace)) ?? true)
ReplaceReservedCodeUsingNamespaceSegmentNames(currentDeclaration, provider, replacement);
// we don't need to rename the inheritance name as it's either external and shouldn't change or it's generated and the code type maps directly to the source
}
else if (current is CodeNamespace currentNamespace &&
isNotInExceptions &&
shouldReplace &&
!string.IsNullOrEmpty(currentNamespace.Name))
ReplaceReservedNamespaceSegments(currentNamespace, provider, replacement);
else if (current is CodeMethod currentMethod &&
isNotInExceptions &&
shouldReplace &&
provider.ReservedNames.Contains(currentMethod.Name) &&
current.Parent is IBlock parentBlock)
{
parentBlock.RenameChildElement(current.Name, replacement.Invoke(currentMethod.Name));
}
// we don't need to property type name as it's either external and shouldn't change or it's generated and the code type maps directly to the source
// Check if the current name meets the following conditions to be replaced
// 1. In the list of reserved names
// 2. If it is a reserved name, make sure that the CodeElement type is worth replacing(not on the blocklist)
// 3. There's not a very specific condition preventing from replacement
if (provider.ReservedNames.Contains(current.Name) &&
isNotInExceptions &&
(shouldReplaceCallback?.Invoke(current) ?? true))// re-invoke the callback if present as conditions above may have renamed dependencies.
{
if (current is CodeProperty currentProperty &&
currentProperty.IsOfKind(CodePropertyKind.Custom) &&
string.IsNullOrEmpty(currentProperty.SerializationName))
{
currentProperty.SerializationName = currentProperty.Name;
}
if (current is CodeEnumOption currentEnumOption &&
string.IsNullOrEmpty(currentEnumOption.SerializationName))
{
currentEnumOption.SerializationName = currentEnumOption.Name;
}
var replacementName = replacement.Invoke(current.Name);
if (current.Parent is IBlock parentBlock)
parentBlock.RenameChildElement(current.Name, replacementName);
else
current.Name = replacementName;
}
CrawlTree(current, x => ReplaceReservedNames(x, provider, replacement, codeElementExceptions, shouldReplaceCallback));
}
private static void ReplaceReservedCodeUsingNamespaceSegmentNames(ClassDeclaration currentDeclaration, IReservedNamesProvider provider, Func<string, string> replacement)
{
// replace the using namespace segment names that are internally defined by the generator
currentDeclaration.Usings
.Where(static codeUsing => codeUsing is { IsExternal: false })
.Select(static codeUsing => new Tuple<CodeUsing, string[]>(codeUsing, codeUsing.Name.Split('.')))
.Where(tuple => tuple.Item2.Any(x => provider.ReservedNames.Contains(x)))
.ToList()
.ForEach(tuple =>
{
tuple.Item1.Name = tuple.Item2.Select(x => provider.ReservedNames.Contains(x) ? replacement.Invoke(x) : x)
.Aggregate(static (x, y) => $"{x}.{y}");
});
}
private static void ReplaceReservedNamespaceSegments(CodeNamespace currentNamespace, IReservedNamesProvider provider, Func<string, string> replacement)
{
var segments = currentNamespace.Name.Split('.');
if (Array.Exists(segments, provider.ReservedNames.Contains) && currentNamespace.Parent is CodeNamespace parentNamespace)
{
parentNamespace.RenameChildElement(currentNamespace.Name, segments.Select(x => provider.ReservedNames.Contains(x) ?
replacement.Invoke(x) :
x)
.Aggregate((x, y) => $"{x}.{y}"));
}
}
private static IEnumerable<CodeUsing> usingSelector(AdditionalUsingEvaluator x) =>
x.ImportSymbols.Select(y =>
new CodeUsing
{
Name = y,
Declaration = new CodeType { Name = x.NamespaceName, IsExternal = true },
IsErasable = x.IsErasable,
});
protected static void AddDefaultImports(CodeElement current, IEnumerable<AdditionalUsingEvaluator> evaluators)
{
ArgumentNullException.ThrowIfNull(current);
var usingsToAdd = evaluators.Where(x => x.CodeElementEvaluator.Invoke(current))
.SelectMany(usingSelector)
.ToArray();
if (usingsToAdd.Length != 0)
{
var parentBlock = current.GetImmediateParentOfType<IBlock>();
var targetBlock = parentBlock.Parent is CodeClass parentClassParent ? parentClassParent : parentBlock;
targetBlock.AddUsing(usingsToAdd);
}
CrawlTree(current, c => AddDefaultImports(c, evaluators));
}
private static readonly HashSet<string> BinaryTypes = new(StringComparer.OrdinalIgnoreCase) { "binary", "base64", "base64url" };
protected static void ReplaceBinaryByNativeType(CodeElement currentElement, string symbol, string ns, bool addDeclaration = false, bool isNullable = false)
{
if (currentElement is CodeMethod currentMethod)
{
var shouldInsertUsing = false;
if (!string.IsNullOrEmpty(currentMethod.ReturnType?.Name) && BinaryTypes.Contains(currentMethod.ReturnType.Name))
{
currentMethod.ReturnType.Name = symbol;
currentMethod.ReturnType.IsNullable = isNullable;
shouldInsertUsing = !string.IsNullOrWhiteSpace(ns);
}
var binaryParameter = currentMethod.Parameters.FirstOrDefault(static x => BinaryTypes.Contains(x.Type?.Name ?? string.Empty));
if (binaryParameter != null)
{
binaryParameter.Type.Name = symbol;
binaryParameter.Type.IsNullable = isNullable;
shouldInsertUsing = !string.IsNullOrWhiteSpace(ns);
}
if (shouldInsertUsing && currentMethod.Parent is CodeClass parentClass)
{
var newUsing = new CodeUsing
{
Name = addDeclaration ? symbol : ns,
};
if (addDeclaration)
newUsing.Declaration = new CodeType
{
Name = ns,
IsExternal = true,
};
parentClass.AddUsing(newUsing);
}
}
CrawlTree(currentElement, c => ReplaceBinaryByNativeType(c, symbol, ns, addDeclaration, isNullable));
}
protected static void ConvertUnionTypesToWrapper(CodeElement currentElement, bool usesBackingStore, Func<string, string> refineMethodName, bool supportInnerClasses = true, string markerInterfaceNamespace = "", string markerInterfaceName = "", string markerMethodName = "")
{
ArgumentNullException.ThrowIfNull(currentElement);
ArgumentNullException.ThrowIfNull(refineMethodName);
if (currentElement.Parent is CodeClass parentClass)
{
if (currentElement is CodeMethod currentMethod)
{
currentMethod.Name = refineMethodName(currentMethod.Name);
if (currentMethod.ReturnType is CodeComposedTypeBase currentUnionType)
currentMethod.ReturnType = ConvertComposedTypeToWrapper(parentClass, currentUnionType, usesBackingStore, refineMethodName, supportInnerClasses, markerInterfaceNamespace, markerInterfaceName, markerMethodName);
if (currentMethod.Parameters.Any(static x => x.Type is CodeComposedTypeBase))
foreach (var currentParameter in currentMethod.Parameters.Where(static x => x.Type is CodeComposedTypeBase))
currentParameter.Type = ConvertComposedTypeToWrapper(parentClass, (CodeComposedTypeBase)currentParameter.Type, usesBackingStore, refineMethodName, supportInnerClasses, markerInterfaceNamespace, markerInterfaceName, markerMethodName);
if (currentMethod.ErrorMappings.Select(static x => x.Value).OfType<CodeComposedTypeBase>().Any())
foreach (var errorUnionType in currentMethod.ErrorMappings.Select(static x => x.Value).OfType<CodeComposedTypeBase>())
currentMethod.ReplaceErrorMapping(errorUnionType, ConvertComposedTypeToWrapper(parentClass, errorUnionType, usesBackingStore, refineMethodName, supportInnerClasses, markerInterfaceNamespace, markerInterfaceName, markerMethodName));
}
else if (currentElement is CodeIndexer currentIndexer && currentIndexer.ReturnType is CodeComposedTypeBase currentUnionType)
currentIndexer.ReturnType = ConvertComposedTypeToWrapper(parentClass, currentUnionType, usesBackingStore, refineMethodName, supportInnerClasses, markerInterfaceNamespace, markerInterfaceName, markerMethodName);
else if (currentElement is CodeProperty currentProperty && currentProperty.Type is CodeComposedTypeBase currentPropUnionType)
currentProperty.Type = ConvertComposedTypeToWrapper(parentClass, currentPropUnionType, usesBackingStore, refineMethodName, supportInnerClasses, markerInterfaceNamespace, markerInterfaceName, markerMethodName);
}
CrawlTree(currentElement, x => ConvertUnionTypesToWrapper(x, usesBackingStore, refineMethodName, supportInnerClasses, markerInterfaceNamespace, markerInterfaceName, markerMethodName));
}
private static CodeType ConvertComposedTypeToWrapper(CodeClass codeClass, CodeComposedTypeBase codeComposedType, bool usesBackingStore, Func<string, string> refineMethodName, bool supportsInnerClasses, string markerInterfaceNamespace, string markerInterfaceName, string markerMethodName)
{
ArgumentNullException.ThrowIfNull(codeClass);
ArgumentNullException.ThrowIfNull(codeComposedType);
CodeClass newClass;
var description =
"Composed type wrapper for classes {TypesList}";
if (!supportsInnerClasses)
{
var @namespace = codeClass.GetImmediateParentOfType<CodeNamespace>();
if (@namespace.FindChildByName<CodeClass>(codeComposedType.Name, false) is CodeClass { OriginalComposedType: null })
codeComposedType.Name = $"{codeComposedType.Name}Wrapper";
newClass = @namespace.AddClass(new CodeClass
{
Name = codeComposedType.Name,
Documentation = new(new() {
{ "TypesList", codeComposedType }
})
{
DescriptionTemplate = description,
},
Deprecation = codeComposedType.Deprecation,
}).Last();
}
else if (codeComposedType.TargetNamespace is CodeNamespace targetNamespace)
{
newClass = targetNamespace.AddClass(new CodeClass
{
Name = codeComposedType.Name,
Documentation = new(new() {
{ "TypesList", codeComposedType }
})
{
DescriptionTemplate = description
},
})
.First();
newClass.AddUsing(codeComposedType.AllTypes
.SelectMany(static c => (c.TypeDefinition as CodeClass)?.Usings ?? Enumerable.Empty<CodeUsing>())
.Where(static x => x.IsExternal)
.Select(static u => (CodeUsing)u.Clone())
.ToArray());
}
else
{
if (codeComposedType.Name.Equals(codeClass.Name, StringComparison.OrdinalIgnoreCase) || codeClass.FindChildByName<CodeProperty>(codeComposedType.Name, false) is not null)
codeComposedType.Name = $"{codeComposedType.Name}Wrapper";
newClass = codeClass.AddInnerClass(new CodeClass
{
Name = codeComposedType.Name,
Documentation = new(new() {
{ "TypesList", codeComposedType }
})
{
DescriptionTemplate = description
},
})
.First();
}
newClass.AddProperty(codeComposedType
.Types
.Select(static x => new CodeProperty
{
Name = x.Name,
Type = x,
Documentation = new(new() {
{ "TypeName", x }
})
{
DescriptionTemplate = "Composed type representation for type {TypeName}"
},
}).ToArray());
if (codeComposedType.Types.All(static x => x.TypeDefinition is CodeClass targetClass && targetClass.IsOfKind(CodeClassKind.Model) ||
x.TypeDefinition is CodeEnum || x.TypeDefinition is null))
{
KiotaBuilder.AddSerializationMembers(newClass, false, usesBackingStore, refineMethodName);
newClass.Kind = CodeClassKind.Model;
}
newClass.OriginalComposedType = codeComposedType;
if (!string.IsNullOrEmpty(markerInterfaceName) && !string.IsNullOrEmpty(markerInterfaceNamespace))
{
newClass.StartBlock.AddImplements(new CodeType
{
Name = markerInterfaceName
});
newClass.AddUsing(new CodeUsing
{
Name = markerInterfaceName,
Declaration = new()
{
Name = markerInterfaceNamespace,
IsExternal = true,
}
});
}
if (!string.IsNullOrEmpty(markerMethodName))
{
newClass.AddMethod(new CodeMethod
{
Name = markerMethodName,
ReturnType = new CodeType
{
Name = "boolean",
IsNullable = false,
},
Kind = CodeMethodKind.ComposedTypeMarker,
Access = AccessModifier.Public,
IsAsync = false,
IsStatic = false,
Documentation = new()
{
DescriptionTemplate = "Determines if the current object is a wrapper around a composed type",
},
});
}
// Add the discriminator function to the wrapper as it will be referenced.
KiotaBuilder.AddDiscriminatorMethod(newClass, codeComposedType.DiscriminatorInformation.DiscriminatorPropertyName, codeComposedType.DiscriminatorInformation.DiscriminatorMappings, refineMethodName);
return new CodeType
{
Name = newClass.Name,
TypeDefinition = newClass,
CollectionKind = codeComposedType.CollectionKind,
IsNullable = codeComposedType.IsNullable,
ActionOf = codeComposedType.ActionOf,
};
}
protected static void MoveClassesWithNamespaceNamesUnderNamespace(CodeElement currentElement)
{
if (currentElement is CodeClass currentClass &&
!string.IsNullOrEmpty(currentClass.Name) &&
currentClass.Parent is CodeNamespace parentNamespace)
{
var childNamespaceWithClassName = parentNamespace.GetChildElements(true)
.OfType<CodeNamespace>()
.FirstOrDefault(x => x.Name
.EndsWith(currentClass.Name, StringComparison.OrdinalIgnoreCase));
if (childNamespaceWithClassName != null)
{
parentNamespace.RemoveChildElement(currentClass);
childNamespaceWithClassName.AddClass(currentClass);
}
}
CrawlTree(currentElement, MoveClassesWithNamespaceNamesUnderNamespace);
}
protected static void ReplaceIndexersByMethodsWithParameter(CodeElement currentElement, bool parameterNullable, Func<string, string> methodNameCallback, Func<string, string> parameterNameCallback, GenerationLanguage language)
{
if (currentElement is CodeIndexer currentIndexer &&
currentElement.Parent is CodeClass indexerParentClass)
{
if (indexerParentClass.ContainsMember(currentElement.Name)) // TODO remove condition for v2 necessary because of the second case of Go block
indexerParentClass.RemoveChildElement(currentElement);
//TODO remove whole block except for last else if body for v2
if (language == GenerationLanguage.Go)
{
if (currentIndexer.IsLegacyIndexer)
{
if (indexerParentClass.Indexer is CodeIndexer specificIndexer && specificIndexer != currentIndexer && !specificIndexer.IsLegacyIndexer)
{
indexerParentClass.RemoveChildElement(specificIndexer);
indexerParentClass.AddMethod(CodeMethod.FromIndexer(specificIndexer, methodNameCallback, parameterNameCallback, parameterNullable, true));
}
indexerParentClass.AddMethod(CodeMethod.FromIndexer(currentIndexer, methodNameCallback, parameterNameCallback, parameterNullable));
}
else
{
var foundLegacyIndexer = indexerParentClass.Methods.Any(x => x.Kind is CodeMethodKind.IndexerBackwardCompatibility && x.OriginalIndexer is not null && x.OriginalIndexer.IsLegacyIndexer);
if (!foundLegacyIndexer && indexerParentClass.GetChildElements(true).OfType<CodeIndexer>().FirstOrDefault(static x => x.IsLegacyIndexer) is CodeIndexer legacyIndexer)
{
indexerParentClass.RemoveChildElement(legacyIndexer);
indexerParentClass.AddMethod(CodeMethod.FromIndexer(legacyIndexer, methodNameCallback, parameterNameCallback, parameterNullable));
foundLegacyIndexer = true;
}
indexerParentClass.AddMethod(CodeMethod.FromIndexer(currentIndexer, methodNameCallback, parameterNameCallback, parameterNullable, foundLegacyIndexer));
}
}
else if (!currentIndexer.IsLegacyIndexer)
indexerParentClass.AddMethod(CodeMethod.FromIndexer(currentIndexer, methodNameCallback, parameterNameCallback, parameterNullable));
}
CrawlTree(currentElement, c => ReplaceIndexersByMethodsWithParameter(c, parameterNullable, methodNameCallback, parameterNameCallback, language));
}
internal void DisableActionOf(CodeElement current, params CodeParameterKind[] kinds)
{
if (current is CodeMethod currentMethod)
foreach (var parameter in currentMethod.Parameters.Where(x => x.Type.ActionOf && x.IsOfKind(kinds)))
parameter.Type.ActionOf = false;
CrawlTree(current, x => DisableActionOf(x, kinds));
}
internal void AddInnerClasses(CodeElement current, bool prefixClassNameWithParentName, string queryParametersBaseClassName = "", bool addToParentNamespace = false, Func<string, string, string>? nameFactory = default)
{
if (current is CodeClass currentClass && currentClass.IsOfKind(CodeClassKind.RequestBuilder))
{
var parentNamespace = currentClass.GetImmediateParentOfType<CodeNamespace>();
var innerClasses = currentClass
.Methods
.SelectMany(static x => x.Parameters)
.Where(static x => x.Type.ActionOf && x.IsOfKind(CodeParameterKind.RequestConfiguration))
.SelectMany(static x => x.Type.AllTypes)
.Select(static x => x.TypeDefinition)
.OfType<CodeClass>()
.Distinct();
// ensure we do not miss out the types present in request configuration objects i.e. the query parameters
var nestedQueryParameters = innerClasses
.SelectMany(static x => x.Properties)
.Where(static x => x.IsOfKind(CodePropertyKind.QueryParameters))
.SelectMany(static x => x.Type.AllTypes)
.Select(static x => x.TypeDefinition)
.OfType<CodeClass>()
.Distinct();
var nestedClasses = new List<CodeClass>();
nestedClasses.AddRange(innerClasses);
nestedClasses.AddRange(nestedQueryParameters);
foreach (var nestedClass in nestedClasses)
{
if (nestedClass.Parent is not CodeClass parentClass) continue;
if (nameFactory != default)
parentClass.RenameChildElement(nestedClass.Name, nameFactory(currentClass.Name, nestedClass.Name));
else if (prefixClassNameWithParentName && !nestedClass.Name.StartsWith(currentClass.Name, StringComparison.OrdinalIgnoreCase))
parentClass.RenameChildElement(nestedClass.Name, $"{currentClass.Name}{nestedClass.Name}");
if (addToParentNamespace && parentNamespace.FindChildByName<CodeClass>(nestedClass.Name, false) == null)
{ // the query parameters class is already a child of the request executor method parent class
parentNamespace.AddClass(nestedClass);
currentClass.RemoveChildElementByName(nestedClass.Name);
}
else if (!addToParentNamespace && currentClass.FindChildByName<CodeClass>(nestedClass.Name, false) == null) //failsafe
currentClass.AddInnerClass(nestedClass);
if (!string.IsNullOrEmpty(queryParametersBaseClassName))
nestedClass.StartBlock.Inherits = new CodeType { Name = queryParametersBaseClassName, IsExternal = true };
}
}
CrawlTree(current, x => AddInnerClasses(x, prefixClassNameWithParentName, queryParametersBaseClassName, addToParentNamespace, nameFactory));
}
private static readonly CodeUsingComparer usingComparerWithDeclarations = new(true);
private static readonly CodeUsingComparer usingComparerWithoutDeclarations = new(false);
#pragma warning disable CA1051 // Do not declare visible instance fields
protected readonly GenerationConfiguration _configuration;
#pragma warning restore CA1051 // Do not declare visible instance fields
protected static void AddPropertiesAndMethodTypesImports(CodeElement current, bool includeParentNamespaces, bool includeCurrentNamespace, bool compareOnDeclaration, Func<IEnumerable<CodeTypeBase>, IEnumerable<CodeTypeBase>>? codeTypeFilter = default)
{
if (current is CodeClass currentClass &&
currentClass.StartBlock is ClassDeclaration currentClassDeclaration &&
currentClass.GetImmediateParentOfType<CodeNamespace>() is CodeNamespace currentClassNamespace)
{
var currentClassChildren = currentClass.GetChildElements(true);
var inheritTypes = currentClassDeclaration.Inherits?.AllTypes ?? Enumerable.Empty<CodeType>();
var propertiesTypes = currentClass
.Properties
.Where(static x => !x.ExistsInBaseType)
.Select(static x => x.Type)
.Distinct();
var methods = currentClass.Methods;
var methodsReturnTypes = methods
.Select(static x => x.ReturnType)
.Distinct();
var methodsParametersTypes = methods
.SelectMany(static x => x.Parameters)
.Where(static x => x.IsOfKind(CodeParameterKind.Custom, CodeParameterKind.RequestBody, CodeParameterKind.RequestConfiguration, CodeParameterKind.QueryParameter))
.Select(static x => x.Type)
.Distinct();
var indexerTypes = currentClassChildren
.OfType<CodeIndexer>()
.Select(static x => x.ReturnType)
.Distinct();
var errorTypes = currentClassChildren
.OfType<CodeMethod>()
.Where(static x => x.IsOfKind(CodeMethodKind.RequestExecutor))
.SelectMany(static x => x.ErrorMappings)
.Select(static x => x.Value)
.Distinct();
var typesCollection = propertiesTypes
.Union(methodsParametersTypes)
.Union(methodsReturnTypes)
.Union(indexerTypes)
.Union(inheritTypes)
.Union(errorTypes)
.Where(static x => x != null);
if (codeTypeFilter != default)
{
typesCollection = codeTypeFilter.Invoke(typesCollection);
}
var usingsToAdd = typesCollection
.SelectMany(static x => x.AllTypes.Select(static y => (type: y, ns: y.TypeDefinition?.GetImmediateParentOfType<CodeNamespace>())))
.Where(x => x.ns != null && (includeCurrentNamespace || x.ns != currentClassNamespace))
.Where(x => includeParentNamespaces || !currentClassNamespace.IsChildOf(x.ns!))
.Select(static x => new CodeUsing { Name = x.ns!.Name, Declaration = x.type })
.Where(x => x.Declaration?.TypeDefinition != current)
.Distinct(compareOnDeclaration ? usingComparerWithDeclarations : usingComparerWithoutDeclarations)
.ToArray();
if (usingsToAdd.Length != 0)
(currentClass.Parent is CodeClass parentClass ? parentClass : currentClass).AddUsing(usingsToAdd); //lots of languages do not support imports on nested classes
}
CrawlTree(current, x => AddPropertiesAndMethodTypesImports(x, includeParentNamespaces, includeCurrentNamespace, compareOnDeclaration, codeTypeFilter));
}
protected static void CrawlTree(CodeElement currentElement, Action<CodeElement> function, bool innerOnly = true)
{
ArgumentNullException.ThrowIfNull(currentElement);
ArgumentNullException.ThrowIfNull(function);
foreach (var childElement in currentElement.GetChildElements(innerOnly))
function.Invoke(childElement);
}
protected static void CorrectCoreType(CodeElement currentElement, Action<CodeMethod>? correctMethodType, Action<CodeProperty>? correctPropertyType, Action<ProprietableBlockDeclaration>? correctImplements = default)
{
switch (currentElement)
{
case CodeProperty property:
correctPropertyType?.Invoke(property);
break;
case CodeMethod method:
correctMethodType?.Invoke(method);
break;
case ProprietableBlockDeclaration block:
correctImplements?.Invoke(block);
break;
}
CrawlTree(currentElement, x => CorrectCoreType(x, correctMethodType, correctPropertyType, correctImplements), false);
}
protected static void MakeModelPropertiesNullable(CodeElement currentElement)
{
if (currentElement is CodeClass currentClass &&
currentClass.IsOfKind(CodeClassKind.Model))
currentClass.Properties
.Where(static x => x.IsOfKind(CodePropertyKind.Custom))
.ToList()
.ForEach(static x => x.Type.IsNullable = true);
CrawlTree(currentElement, MakeModelPropertiesNullable);
}
protected static void RemoveMethodByKind(CodeElement currentElement, CodeMethodKind kind, params CodeMethodKind[] additionalKinds)
{
RemoveMethodByKindImpl(currentElement, new List<CodeMethodKind>(additionalKinds) { kind }.ToArray());
}
private static void RemoveMethodByKindImpl(CodeElement currentElement, CodeMethodKind[] kinds)
{
if (currentElement is CodeMethod codeMethod &&
currentElement.Parent is CodeClass parentClass &&
codeMethod.IsOfKind(kinds))
{
parentClass.RemoveMethodByKinds(codeMethod.Kind);
}
CrawlTree(currentElement, x => RemoveMethodByKindImpl(x, kinds));
}
protected static void RemoveCancellationParameter(CodeElement currentElement)
{
if (currentElement is CodeMethod currentMethod &&
currentMethod.IsOfKind(CodeMethodKind.RequestExecutor))
{
currentMethod.RemoveParametersByKind(CodeParameterKind.Cancellation);
}
CrawlTree(currentElement, RemoveCancellationParameter);
}
protected static void AddParsableImplementsForModelClasses(CodeElement currentElement, string className)
{
ArgumentException.ThrowIfNullOrEmpty(className);
if (currentElement is CodeClass currentClass &&
currentClass.IsOfKind(CodeClassKind.Model))
{
currentClass.StartBlock.AddImplements(new CodeType
{
IsExternal = true,
Name = className
});
}
CrawlTree(currentElement, c => AddParsableImplementsForModelClasses(c, className));
}
protected static void CorrectCoreTypes(CodeClass? parentClass, Dictionary<string, (string, CodeUsing?)> coreTypesReplacements, params CodeTypeBase[] types)
{
ArgumentNullException.ThrowIfNull(coreTypesReplacements);
if (parentClass == null)
return;
foreach (var type in types.Where(x => x != null && !string.IsNullOrEmpty(x.Name) && coreTypesReplacements.ContainsKey(x.Name)))
{
var replacement = coreTypesReplacements[type.Name];
if (!string.IsNullOrEmpty(replacement.Item1))
type.Name = replacement.Item1;
if (replacement.Item2 != null)
parentClass.AddUsing((CodeUsing)replacement.Item2.Clone());
}
}
protected static void InlineParentClasses(CodeElement currentElement, CodeElement parent)
{
if (currentElement is CodeClass currentClass &&
parent is CodeType parentType &&
parentType.TypeDefinition is CodeClass parentClass)
{
foreach (var currentParent in parentClass.GetInheritanceTree())
{
foreach (var p in currentParent
.Properties
.Where(pp =>
!currentClass.ContainsMember(pp.Name) &&
!currentClass.Properties.Any(cp => cp.Name.Equals(pp.Name, StringComparison.OrdinalIgnoreCase))))
{
var newP = (CodeProperty)p.Clone();
newP.Parent = currentClass;
currentClass.AddProperty(newP);
if (newP.Setter != null)
{
newP.Setter.AccessedProperty = newP;
currentClass.AddMethod(newP.Setter);
}
if (newP.Getter != null)
{
newP.Getter.AccessedProperty = newP;
currentClass.AddMethod(newP.Getter);
}
}
foreach (var m in currentParent
.Methods
.Where(pm =>
!currentClass.ContainsMember(pm.Name) &&
!currentClass.Methods.Any(cm => cm.Name.Equals(pm.Name, StringComparison.OrdinalIgnoreCase))))
{
var newM = (CodeMethod)m.Clone();
newM.Parent = currentClass;
currentClass.AddMethod(newM);
}
foreach (var u in currentParent
.Usings
.Where(pu => !currentClass.Usings.Any(cu => cu.Name.Equals(pu.Name, StringComparison.OrdinalIgnoreCase))))
{
var newU = (CodeUsing)u.Clone();
newU.Parent = currentClass;
currentClass.AddUsing(newU);
}
foreach (var implement in currentParent
.StartBlock
.Implements
.Where(pi => !currentClass.Usings.Any(ci => ci.Name.Equals(pi.Name, StringComparison.OrdinalIgnoreCase))))
{
currentClass.StartBlock.AddImplements((CodeType)implement.Clone());
}
}
}
}
protected static void AddParentClassToErrorClasses(CodeElement currentElement, string parentClassName, string parentClassNamespace, bool addNamespaceToInheritDeclaration = false, bool isInterface = false, bool isErasable = false)
{
if (currentElement is CodeClass currentClass &&
currentClass.IsErrorDefinition &&
currentClass.StartBlock is ClassDeclaration declaration)
{
if (isInterface)
{
declaration.AddImplements(new CodeType
{
Name = parentClassName,
IsExternal = true,
});
}
else
{
if (declaration.Inherits is CodeElement parentElement)
{
// Need to remove inheritance before fixing up the child elements
declaration.Inherits = null;
InlineParentClasses(currentClass, parentElement);
}
declaration.Inherits = new CodeType
{
Name = parentClassName,
IsExternal = true,
};
if (addNamespaceToInheritDeclaration)
{
declaration.Inherits.TypeDefinition = new CodeType
{
Name = parentClassNamespace,
IsExternal = true,
};
}
}
declaration.AddUsings(new CodeUsing
{
Name = parentClassName,
Declaration = new CodeType
{
Name = parentClassNamespace,
IsExternal = true,
},
IsErasable = isErasable
});
}
CrawlTree(currentElement, x => AddParentClassToErrorClasses(x, parentClassName, parentClassNamespace, addNamespaceToInheritDeclaration, isInterface, isErasable));
}
protected static void AddDiscriminatorMappingsUsingsToParentClasses(CodeElement currentElement, string parseNodeInterfaceName, bool addFactoryMethodImport = false, bool addUsings = true, bool includeParentNamespace = false)
{
if (currentElement is CodeMethod currentMethod &&
currentMethod.Parent is CodeClass parentClass &&
parentClass.StartBlock is ClassDeclaration declaration)
{
if (currentMethod.IsOfKind(CodeMethodKind.Factory) &&
(parentClass.DiscriminatorInformation?.HasBasicDiscriminatorInformation ?? false) &&
parentClass.GetImmediateParentOfType<CodeNamespace>() is CodeNamespace parentClassNamespace)
{
if (addUsings && includeParentNamespace)
declaration.AddUsings(parentClass.DiscriminatorInformation.DiscriminatorMappings
.Select(static x => x.Value)
.OfType<CodeType>()
.Where(static x => x.TypeDefinition != null)
.Select(x => new CodeUsing
{
Name = x.TypeDefinition!.GetImmediateParentOfType<CodeNamespace>().Name,
Declaration = new CodeType
{
Name = x.TypeDefinition.Name,
TypeDefinition = x.TypeDefinition,
},
}).ToArray());
else if (addUsings && !includeParentNamespace)
declaration.AddUsings(parentClass.DiscriminatorInformation.DiscriminatorMappings