55 lines
1.9 KiB
C#
55 lines
1.9 KiB
C#
// Copyright (c) .NET Foundation. All rights reserved.
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// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
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using System;
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using System.Text;
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using Microsoft.AspNetCore.Razor.Evolution;
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namespace Microsoft.AspNetCore.Mvc.Razor
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{
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public static class LineMappingsSerializer
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{
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public static string Serialize(RazorCSharpDocument csharpDocument, RazorSourceDocument sourceDocument)
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{
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var builder = new StringBuilder();
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var sourceFileName = sourceDocument.FileName;
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var charBuffer = new char[sourceDocument.Length];
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sourceDocument.CopyTo(0, charBuffer, 0, sourceDocument.Length);
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var sourceContent = new string(charBuffer);
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for (var i = 0; i < csharpDocument.LineMappings.Count; i++)
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{
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var lineMapping = csharpDocument.LineMappings[i];
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if (!string.Equals(lineMapping.OriginalSpan.FilePath, sourceFileName, StringComparison.Ordinal))
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{
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continue;
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}
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builder.Append("Source Location: ");
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AppendMappingLocation(builder, lineMapping.OriginalSpan, sourceContent);
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builder.Append("Generated Location: ");
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AppendMappingLocation(builder, lineMapping.GeneratedSpan, csharpDocument.GeneratedCode);
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builder.AppendLine();
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}
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return builder.ToString();
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}
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private static void AppendMappingLocation(StringBuilder builder, SourceSpan location, string content)
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{
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builder
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.AppendLine(location.ToString())
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.Append("|");
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for (var i = 0; i < location.Length; i++)
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{
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builder.Append(content[location.AbsoluteIndex + i]);
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}
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builder.AppendLine("|");
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}
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}
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}
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