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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,7 @@ | ||
| # GeneratedIdentifier | ||
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| A Roslyn source generator that provides strongly-typed identifiers using LightResults. | ||
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| [](https://github.com/jscarle/LightResults.Extensions) | ||
| [](https://www.nuget.org/packages/LightResults.Extensions.GeneratedIdentifier) | ||
| [](https://www.nuget.org/packages/LightResults.Extensions.GeneratedIdentifier) |
59 changes: 59 additions & 0 deletions
59
src/LightResults.Extensions.GeneratedIdentifier/Common/Declaration.cs
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| namespace LightResults.Extensions.GeneratedIdentifier.Common; | ||
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| /// <summary>Represents a declaration.</summary> | ||
| public sealed record Declaration | ||
| { | ||
| /// <summary>Initializes a new instance of the <see cref="Declaration"/> class with the specified type, name, and generic parameters.</summary> | ||
| /// <param name="type">The type of declaration.</param> | ||
| /// <param name="name">The name of the declaration.</param> | ||
| /// <param name="genericParameters">A read-only list of generic parameter names, or an empty list if not generic.</param> | ||
| internal Declaration(DeclarationType type, string name, EquatableImmutableArray<string> genericParameters) | ||
| { | ||
| Type = type; | ||
| Name = name; | ||
| GenericParameters = genericParameters; | ||
| } | ||
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| /// <summary>Gets the type of declaration.</summary> | ||
| public DeclarationType Type { get; } | ||
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| /// <summary>Gets the name of the declaration.</summary> | ||
| public string Name { get; } | ||
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| /// <summary>Gets a read-only list of generic parameter names for generic declarations, or an empty list otherwise.</summary> | ||
| public EquatableImmutableArray<string> GenericParameters { get; } | ||
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| /// <summary>Returns a string representation of the declaration in the appropriate format for its type.</summary> | ||
| /// <returns>A string representation of the declaration.</returns> | ||
| public override string ToString() | ||
| { | ||
| switch (Type) | ||
| { | ||
| case DeclarationType.Namespace: | ||
| return $"namespace {Name}"; | ||
| case DeclarationType.Interface: | ||
| case DeclarationType.Class: | ||
| case DeclarationType.Record: | ||
| case DeclarationType.Struct: | ||
| case DeclarationType.RecordStruct: | ||
| var keyword = ToKeyword(Type); | ||
| return GenericParameters.Count == 0 ? $"{keyword} {Name}" : $"{keyword} {Name}<{string.Join(", ", GenericParameters)}>"; | ||
| default: | ||
| return base.ToString(); | ||
| } | ||
| } | ||
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| private static string ToKeyword(DeclarationType declarationType) | ||
| { | ||
| return declarationType switch | ||
| { | ||
| DeclarationType.Namespace => "namespace", | ||
| DeclarationType.Interface => "interface", | ||
| DeclarationType.Class => "class", | ||
| DeclarationType.Record => "record", | ||
| DeclarationType.Struct => "struct", | ||
| DeclarationType.RecordStruct => "record struct", | ||
| _ => throw new InvalidOperationException(), | ||
| }; | ||
| } | ||
| } |
53 changes: 53 additions & 0 deletions
53
src/LightResults.Extensions.GeneratedIdentifier/Common/DeclarationExtensions.cs
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| using System.Text; | ||
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| namespace LightResults.Extensions.GeneratedIdentifier.Common; | ||
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| /// <summary>Provides extension methods for working with declarations.</summary> | ||
| internal static class DeclarationExtensions | ||
| { | ||
| /// <summary>Converts a list of declarations to their corresponding namespace.</summary> | ||
| /// <param name="declarations">The list of declarations to convert.</param> | ||
| /// <returns>The namespace represented by the declarations.</returns> | ||
| public static string ToNamespace(this EquatableImmutableArray<Declaration> declarations) | ||
| { | ||
| var builder = new StringBuilder(); | ||
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| for (var index = 0; index < declarations.Count; index++) | ||
| { | ||
| var declaration = declarations[index]; | ||
| if (declaration.Type != DeclarationType.Namespace) | ||
| continue; | ||
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| if (builder.Length > 0) | ||
| builder.Append('.'); | ||
| builder.Append(declaration.Name); | ||
| } | ||
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| return builder.ToString(); | ||
| } | ||
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| /// <summary>Converts a list of declarations to their fully qualified name.</summary> | ||
| /// <param name="declarations">The list of declarations to convert.</param> | ||
| /// <returns>The fully qualified name represented by the declarations.</returns> | ||
| public static string ToFullyQualifiedName(this EquatableImmutableArray<Declaration> declarations) | ||
| { | ||
| var builder = new StringBuilder(); | ||
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| for (var index = 0; index < declarations.Count; index++) | ||
| { | ||
| var declaration = declarations[index]; | ||
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| if (builder.Length > 0) | ||
| builder.Append('.'); | ||
| builder.Append(declaration.Name); | ||
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| if (declaration.GenericParameters.Count == 0) | ||
| continue; | ||
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| builder.Append('`'); | ||
| builder.Append(declaration.GenericParameters.Count); | ||
| } | ||
|
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| return builder.ToString(); | ||
| } | ||
| } |
23 changes: 23 additions & 0 deletions
23
src/LightResults.Extensions.GeneratedIdentifier/Common/DeclarationType.cs
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,23 @@ | ||
| namespace LightResults.Extensions.GeneratedIdentifier.Common; | ||
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| /// <summary>Specifies the kind of declaration.</summary> | ||
| public enum DeclarationType | ||
| { | ||
| /// <summary>Represents a namespace declaration.</summary> | ||
| Namespace = 0, | ||
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| /// <summary>Represents an interface declaration.</summary> | ||
| Interface = 1, | ||
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| /// <summary>Represents a class declaration.</summary> | ||
| Class = 2, | ||
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| /// <summary>Represents a record declaration.</summary> | ||
| Record = 3, | ||
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| /// <summary>Represents a struct declaration.</summary> | ||
| Struct = 4, | ||
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| /// <summary>Represents a record struct declaration.</summary> | ||
| RecordStruct = 5, | ||
| } |
15 changes: 15 additions & 0 deletions
15
src/LightResults.Extensions.GeneratedIdentifier/Common/EquatableImmutableArray.cs
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,15 @@ | ||
| using System.Collections.Immutable; | ||
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| namespace LightResults.Extensions.GeneratedIdentifier.Common; | ||
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| /// <summary>Provides extension methods to convert various collections to an <see cref="EquatableImmutableArray{T}"/>.</summary> | ||
| internal static class EquatableImmutableArray | ||
| { | ||
| /// <summary>Converts an <see cref="IEnumerable{T}"/> to an <see cref="EquatableImmutableArray{T}"/>.</summary> | ||
| /// <param name="enumerable">The <see cref="IEnumerable{T}"/> to convert.</param> | ||
| /// <returns>An <see cref="EquatableImmutableArray{T}"/> containing the same elements as the original enumerable.</returns> | ||
| public static EquatableImmutableArray<T> ToEquatableImmutableArray<T>(this IEnumerable<T> enumerable) | ||
| { | ||
| return new EquatableImmutableArray<T>(enumerable.ToImmutableArray()); | ||
| } | ||
| } |
87 changes: 87 additions & 0 deletions
87
src/LightResults.Extensions.GeneratedIdentifier/Common/EquatableImmutableArray`1.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,87 @@ | ||
| using System.Collections; | ||
| using System.Collections.Immutable; | ||
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| namespace LightResults.Extensions.GeneratedIdentifier.Common; | ||
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| /// <summary>Represents an immutable array that implements <see cref="IEquatable{T}"/>.</summary> | ||
| /// <typeparam name="T">The type of elements in the array.</typeparam> | ||
| public readonly struct EquatableImmutableArray<T> : IEquatable<EquatableImmutableArray<T>>, IReadOnlyList<T> | ||
| { | ||
| /// <summary>Gets an empty <see cref="EquatableImmutableArray{T}"/>.</summary> | ||
| internal static EquatableImmutableArray<T> Empty { get; } = new(ImmutableArray<T>.Empty); | ||
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| /// <summary>Gets the number of elements in the array.</summary> | ||
| public int Count => Array.Length; | ||
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| /// <summary>Gets the element at the specified index.</summary> | ||
| /// <param name="index">The zero-based index of the element to get.</param> | ||
| /// <returns>The element at the specified index.</returns> | ||
| public T this[int index] => Array[index]; | ||
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| private ImmutableArray<T> Array => _array ?? ImmutableArray<T>.Empty; | ||
| private readonly ImmutableArray<T>? _array; | ||
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| internal EquatableImmutableArray(ImmutableArray<T>? array) | ||
| { | ||
| _array = array; | ||
| } | ||
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| /// <inheritdoc/> | ||
| public bool Equals(EquatableImmutableArray<T> other) | ||
| { | ||
| return this.SequenceEqual(other); | ||
| } | ||
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| /// <inheritdoc/> | ||
| public override bool Equals(object? obj) | ||
| { | ||
| return obj is EquatableImmutableArray<T> other && Equals(other); | ||
| } | ||
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| /// <inheritdoc/> | ||
| public override int GetHashCode() | ||
| { | ||
| var hashCode = new HashCode(); | ||
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| foreach (var item in Array) | ||
| hashCode.Add(item); | ||
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| return hashCode.ToHashCode(); | ||
| } | ||
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| /// <summary>Determines whether two <see cref="EquatableImmutableArray{T}"/> instances are equal.</summary> | ||
| /// <param name="left">The first <see cref="EquatableImmutableArray{T}"/> to compare.</param> | ||
| /// <param name="right">The second <see cref="EquatableImmutableArray{T}"/> to compare.</param> | ||
| /// <returns><see langword="true"/> if the two <see cref="EquatableImmutableArray{T}"/> instances are equal; otherwise, <see langword="false"/>.</returns> | ||
| public static bool operator ==(EquatableImmutableArray<T> left, EquatableImmutableArray<T> right) | ||
| { | ||
| return left.Equals(right); | ||
| } | ||
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| /// <summary>Determines whether two <see cref="EquatableImmutableArray{T}"/> instances are not equal.</summary> | ||
| /// <param name="left">The first <see cref="EquatableImmutableArray{T}"/> to compare.</param> | ||
| /// <param name="right">The second <see cref="EquatableImmutableArray{T}"/> to compare.</param> | ||
| /// <returns><see langword="true"/> if the two <see cref="EquatableImmutableArray{T}"/> instances are not equal; otherwise, <see langword="false"/>.</returns> | ||
| public static bool operator !=(EquatableImmutableArray<T> left, EquatableImmutableArray<T> right) | ||
| { | ||
| return !left.Equals(right); | ||
| } | ||
|
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| /// <inheritdoc/> | ||
| public IEnumerator<T> GetEnumerator() | ||
| { | ||
| // ReSharper disable once ForCanBeConvertedToForeach | ||
| // ReSharper disable once LoopCanBeConvertedToQuery | ||
| for (var index = 0; index < Array.Length; index++) | ||
| { | ||
| var item = Array[index]; | ||
| yield return item; | ||
| } | ||
| } | ||
|
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| /// <inheritdoc/> | ||
| IEnumerator IEnumerable.GetEnumerator() | ||
| { | ||
| return GetEnumerator(); | ||
| } | ||
| } |
13 changes: 13 additions & 0 deletions
13
src/LightResults.Extensions.GeneratedIdentifier/Common/IncrementalValueProviderExtensions.cs
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,13 @@ | ||
| using Microsoft.CodeAnalysis; | ||
|
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| namespace LightResults.Extensions.GeneratedIdentifier.Common; | ||
|
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| internal static class IncrementalValueProviderExtensions | ||
| { | ||
| public static IncrementalValuesProvider<TSource> WhereNotNull<TSource>(this IncrementalValuesProvider<TSource?> source) | ||
| where TSource : struct | ||
| { | ||
| return source.Where(x => x is not null) | ||
| .Select((x, _) => x!.Value); | ||
| } | ||
| } |
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