| | | 1 | | using System; |
| | | 2 | | using System.Text; |
| | | 3 | | |
| | | 4 | | using NexusLabs.Needlr.Generators.Export; |
| | | 5 | | using NexusLabs.Needlr.Generators.Models; |
| | | 6 | | |
| | | 7 | | namespace NexusLabs.Needlr.Generators.CodeGen; |
| | | 8 | | |
| | | 9 | | /// <summary> |
| | | 10 | | /// Emits the analyzer-readable source-generated registration manifest. |
| | | 11 | | /// </summary> |
| | | 12 | | internal static class RegistrationManifestCodeGenerator |
| | | 13 | | { |
| | | 14 | | private const int ManifestLiteralChunkLength = 2048; |
| | | 15 | | |
| | | 16 | | internal const string AssemblyMetadataKey = |
| | | 17 | | "NexusLabs.Needlr.RegistrationManifest"; |
| | | 18 | | |
| | | 19 | | internal static string GenerateSource( |
| | | 20 | | GeneratedRegistrationPlan plan, |
| | | 21 | | BreadcrumbWriter breadcrumbs) |
| | | 22 | | { |
| | 10 | 23 | | var builder = new StringBuilder(); |
| | 10 | 24 | | var json = RegistrationManifestSerializer.Serialize(plan); |
| | | 25 | | |
| | 10 | 26 | | breadcrumbs.WriteFileHeader( |
| | 10 | 27 | | builder, |
| | 10 | 28 | | plan.AssemblyName, |
| | 10 | 29 | | "Needlr Analyzer-Readable Registration Manifest"); |
| | 10 | 30 | | builder.AppendLine("#nullable enable"); |
| | 10 | 31 | | builder.AppendLine(); |
| | 10 | 32 | | builder.AppendLine( |
| | 10 | 33 | | "[assembly: global::System.Reflection.AssemblyMetadataAttribute("); |
| | 10 | 34 | | builder.AppendLine( |
| | 10 | 35 | | $" \"{AssemblyMetadataKey}\","); |
| | 10 | 36 | | AppendManifestLiteral(builder, json); |
| | | 37 | | |
| | 10 | 38 | | return builder.ToString(); |
| | | 39 | | } |
| | | 40 | | |
| | | 41 | | private static void AppendManifestLiteral( |
| | | 42 | | StringBuilder builder, |
| | | 43 | | string json) |
| | | 44 | | { |
| | 44 | 45 | | for (var offset = 0; offset < json.Length; offset += ManifestLiteralChunkLength) |
| | | 46 | | { |
| | 12 | 47 | | var length = Math.Min( |
| | 12 | 48 | | ManifestLiteralChunkLength, |
| | 12 | 49 | | json.Length - offset); |
| | 12 | 50 | | var chunk = json.Substring(offset, length); |
| | | 51 | | |
| | 12 | 52 | | builder.Append(" \""); |
| | 12 | 53 | | builder.Append(GeneratorHelpers.EscapeStringLiteral(chunk)); |
| | 12 | 54 | | builder.Append('"'); |
| | 12 | 55 | | builder.AppendLine( |
| | 12 | 56 | | offset + length == json.Length |
| | 12 | 57 | | ? ")]" |
| | 12 | 58 | | : " +"); |
| | | 59 | | } |
| | 10 | 60 | | } |
| | | 61 | | } |