System.Text.Json Migration - Adding code to parse the Project.Assets.Json file using STJ. #5558
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
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@@ -6,13 +6,19 @@ | |
| using System.IO; | ||
| using Newtonsoft.Json; | ||
| using Newtonsoft.Json.Linq; | ||
| using NuGet.Common; | ||
| using NuGet.Packaging.Core; | ||
| using NuGet.Versioning; | ||
|
|
||
| namespace NuGet.ProjectModel | ||
| { | ||
| internal static class JsonUtility | ||
| { | ||
| private static readonly Dictionary<string, NuGetVersion> NuGetVersionCache = new(); | ||
| private static readonly Dictionary<string, VersionRange> VersionRangeCache = new(); | ||
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| internal const string NUGET_EXPERIMENTAL_USE_NJ_FOR_FILE_PARSING = nameof(NUGET_EXPERIMENTAL_USE_NJ_FOR_FILE_PARSING); | ||
| internal static bool? UseNewtonsoftJson = null; | ||
| internal static readonly char[] PathSplitChars = new[] { LockFile.DirectorySeparatorChar }; | ||
|
|
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| /// <summary> | ||
|
|
@@ -43,12 +49,35 @@ internal static JObject LoadJson(TextReader reader) | |
| } | ||
| } | ||
|
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| internal static T LoadJson<T>(Stream stream, IUtf8JsonStreamReaderConverter<T> converter) | ||
| { | ||
| var streamingJsonReader = new Utf8JsonStreamReader(stream); | ||
| return converter.Read(ref streamingJsonReader); | ||
| } | ||
|
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| internal static PackageDependency ReadPackageDependency(string property, JToken json) | ||
| { | ||
| var versionStr = json.Value<string>(); | ||
| return new PackageDependency( | ||
| property, | ||
| versionStr == null ? null : JsonUtility.ParseVersionRange(versionStr)); | ||
| } | ||
|
|
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| internal static bool UseNewstonSoftJsonForParsing(IEnvironmentVariableReader environmentVariableReader, bool bypassCache) | ||
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|
||
| { | ||
| if (!UseNewtonsoftJson.HasValue || bypassCache) | ||
| { | ||
| if (bool.TryParse(environmentVariableReader.GetEnvironmentVariable(NUGET_EXPERIMENTAL_USE_NJ_FOR_FILE_PARSING), out var useNj)) | ||
| { | ||
| UseNewtonsoftJson = useNj; | ||
| } | ||
| else | ||
| { | ||
| UseNewtonsoftJson = false; | ||
| } | ||
| } | ||
|
|
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| return UseNewtonsoftJson.Value; | ||
| } | ||
|
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| internal static JProperty WritePackageDependencyWithLegacyString(PackageDependency item) | ||
|
|
@@ -141,5 +170,36 @@ internal static JToken WriteString(string item) | |
| { | ||
| return item != null ? new JValue(item) : JValue.CreateNull(); | ||
| } | ||
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| internal static NuGetVersion ParseNugetVersion(string value) | ||
|
||
| { | ||
| if (!NuGetVersionCache.ContainsKey(value)) | ||
| { | ||
| var result = NuGetVersion.Parse(value); | ||
| NuGetVersionCache[value] = result; | ||
| } | ||
| return NuGetVersionCache[value]; | ||
| } | ||
|
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| internal static bool TryParseNugetVersion(string value, out NuGetVersion version) | ||
| { | ||
| if (!NuGetVersionCache.ContainsKey(value)) | ||
| { | ||
| _ = NuGetVersion.TryParse(value, out version); | ||
| NuGetVersionCache[value] = version; | ||
| } | ||
| version = NuGetVersionCache[value]; | ||
| return version is not null; | ||
| } | ||
|
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| internal static VersionRange ParseVersionRange(string value) | ||
| { | ||
| if (!VersionRangeCache.ContainsKey(value)) | ||
| { | ||
| var result = VersionRange.Parse(value); | ||
| VersionRangeCache[value] = result; | ||
| } | ||
| return VersionRangeCache[value]; | ||
| } | ||
| } | ||
| } | ||
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