Remove some allocations under HttpFileSystemBasedFindPackageByIdResource.ConsumeFlatContainerIndexAsync #6265
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,40 @@ | ||
| // Copyright (c) .NET Foundation. All rights reserved. | ||
| // Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information. | ||
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| using System; | ||
| using System.Text.Json; | ||
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| namespace NuGet | ||
| { | ||
| internal static class Utf8JsonReaderExtensions | ||
| { | ||
| internal static string ReadTokenAsString(this ref Utf8JsonReader reader) | ||
| { | ||
| switch (reader.TokenType) | ||
| { | ||
| case JsonTokenType.True: | ||
| return bool.TrueString; | ||
| case JsonTokenType.False: | ||
| return bool.FalseString; | ||
| case JsonTokenType.Number: | ||
| return reader.ReadNumberAsString(); | ||
| case JsonTokenType.String: | ||
| return reader.GetString(); | ||
| case JsonTokenType.None: | ||
| case JsonTokenType.Null: | ||
| return null; | ||
| default: | ||
| throw new InvalidCastException(); | ||
| } | ||
| } | ||
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| private static string ReadNumberAsString(this ref Utf8JsonReader reader) | ||
| { | ||
| if (reader.TryGetInt64(out long value)) | ||
| { | ||
| return value.ToString(); | ||
| } | ||
| return reader.GetDouble().ToString(); | ||
| } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1 +1,6 @@ | ||
| #nullable enable | ||
| NuGet.Common.PublicStrings | ||
| ~static NuGet.Common.PublicStrings.Culture.get -> System.Globalization.CultureInfo | ||
| ~static NuGet.Common.PublicStrings.Culture.set -> void | ||
| ~static NuGet.Common.PublicStrings.Invalid_AttributeValue.get -> string | ||
|
There was a problem hiding this comment. this is just my personal opinion, but I don't like resource strings as public APIs. There's too much risk of runtime failures if new I don't think that duplicating the strings, and keeping them internal, in multiple assemblies is bad enough to prefer public APIs. There was a problem hiding this comment. See https://github.com/NuGet/NuGet.Client/pull/6265/files#r1970768798 for one complexity of not having these as public. I totally understand its unusual here, but these are the only options I could come up with:
In this case, it seemed like the least worst option. There was a problem hiding this comment. I want 6, but let's wait on that until we have a major version. I'd prefer 1 There was a problem hiding this comment. Okay I've pushed an update to use a shared resource that gets compiled into each assembly that needs it. At least the string is only defined in one place. |
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| ~static NuGet.Common.PublicStrings.ResourceManager.get -> System.Resources.ResourceManager | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,126 @@ | ||
| <?xml version="1.0" encoding="utf-8"?> | ||
| <root> | ||
| <!-- | ||
| Microsoft ResX Schema | ||
|
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| Version 2.0 | ||
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| The primary goals of this format is to allow a simple XML format | ||
| that is mostly human readable. The generation and parsing of the | ||
| various data types are done through the TypeConverter classes | ||
| associated with the data types. | ||
|
|
||
| Example: | ||
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| ... ado.net/XML headers & schema ... | ||
| <resheader name="resmimetype">text/microsoft-resx</resheader> | ||
| <resheader name="version">2.0</resheader> | ||
| <resheader name="reader">System.Resources.ResXResourceReader, System.Windows.Forms, ...</resheader> | ||
| <resheader name="writer">System.Resources.ResXResourceWriter, System.Windows.Forms, ...</resheader> | ||
| <data name="Name1"><value>this is my long string</value><comment>this is a comment</comment></data> | ||
| <data name="Color1" type="System.Drawing.Color, System.Drawing">Blue</data> | ||
| <data name="Bitmap1" mimetype="application/x-microsoft.net.object.binary.base64"> | ||
| <value>[base64 mime encoded serialized .NET Framework object]</value> | ||
| </data> | ||
| <data name="Icon1" type="System.Drawing.Icon, System.Drawing" mimetype="application/x-microsoft.net.object.bytearray.base64"> | ||
| <value>[base64 mime encoded string representing a byte array form of the .NET Framework object]</value> | ||
| <comment>This is a comment</comment> | ||
| </data> | ||
|
|
||
| There are any number of "resheader" rows that contain simple | ||
| name/value pairs. | ||
|
|
||
| Each data row contains a name, and value. The row also contains a | ||
| type or mimetype. Type corresponds to a .NET class that support | ||
| text/value conversion through the TypeConverter architecture. | ||
| Classes that don't support this are serialized and stored with the | ||
| mimetype set. | ||
|
|
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| The mimetype is used for serialized objects, and tells the | ||
| ResXResourceReader how to depersist the object. This is currently not | ||
| extensible. For a given mimetype the value must be set accordingly: | ||
|
|
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| Note - application/x-microsoft.net.object.binary.base64 is the format | ||
| that the ResXResourceWriter will generate, however the reader can | ||
| read any of the formats listed below. | ||
|
|
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| mimetype: application/x-microsoft.net.object.binary.base64 | ||
| value : The object must be serialized with | ||
| : System.Runtime.Serialization.Formatters.Binary.BinaryFormatter | ||
| : and then encoded with base64 encoding. | ||
|
|
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| mimetype: application/x-microsoft.net.object.soap.base64 | ||
| value : The object must be serialized with | ||
| : System.Runtime.Serialization.Formatters.Soap.SoapFormatter | ||
| : and then encoded with base64 encoding. | ||
|
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| mimetype: application/x-microsoft.net.object.bytearray.base64 | ||
| value : The object must be serialized into a byte array | ||
| : using a System.ComponentModel.TypeConverter | ||
| : and then encoded with base64 encoding. | ||
| --> | ||
| <xsd:schema id="root" xmlns="" xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:msdata="urn:schemas-microsoft-com:xml-msdata"> | ||
| <xsd:import namespace="http://www.w3.org/XML/1998/namespace" /> | ||
| <xsd:element name="root" msdata:IsDataSet="true"> | ||
| <xsd:complexType> | ||
| <xsd:choice maxOccurs="unbounded"> | ||
| <xsd:element name="metadata"> | ||
| <xsd:complexType> | ||
| <xsd:sequence> | ||
| <xsd:element name="value" type="xsd:string" minOccurs="0" /> | ||
| </xsd:sequence> | ||
| <xsd:attribute name="name" use="required" type="xsd:string" /> | ||
| <xsd:attribute name="type" type="xsd:string" /> | ||
| <xsd:attribute name="mimetype" type="xsd:string" /> | ||
| <xsd:attribute ref="xml:space" /> | ||
| </xsd:complexType> | ||
| </xsd:element> | ||
| <xsd:element name="assembly"> | ||
| <xsd:complexType> | ||
| <xsd:attribute name="alias" type="xsd:string" /> | ||
| <xsd:attribute name="name" type="xsd:string" /> | ||
| </xsd:complexType> | ||
| </xsd:element> | ||
| <xsd:element name="data"> | ||
| <xsd:complexType> | ||
| <xsd:sequence> | ||
| <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" /> | ||
| <xsd:element name="comment" type="xsd:string" minOccurs="0" msdata:Ordinal="2" /> | ||
| </xsd:sequence> | ||
| <xsd:attribute name="name" type="xsd:string" use="required" msdata:Ordinal="1" /> | ||
| <xsd:attribute name="type" type="xsd:string" msdata:Ordinal="3" /> | ||
| <xsd:attribute name="mimetype" type="xsd:string" msdata:Ordinal="4" /> | ||
| <xsd:attribute ref="xml:space" /> | ||
| </xsd:complexType> | ||
| </xsd:element> | ||
| <xsd:element name="resheader"> | ||
| <xsd:complexType> | ||
| <xsd:sequence> | ||
| <xsd:element name="value" type="xsd:string" minOccurs="0" msdata:Ordinal="1" /> | ||
| </xsd:sequence> | ||
| <xsd:attribute name="name" type="xsd:string" use="required" /> | ||
| </xsd:complexType> | ||
| </xsd:element> | ||
| </xsd:choice> | ||
| </xsd:complexType> | ||
| </xsd:element> | ||
| </xsd:schema> | ||
| <resheader name="resmimetype"> | ||
| <value>text/microsoft-resx</value> | ||
| </resheader> | ||
| <resheader name="version"> | ||
| <value>2.0</value> | ||
| </resheader> | ||
| <resheader name="reader"> | ||
| <value>System.Resources.ResXResourceReader, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value> | ||
| </resheader> | ||
| <resheader name="writer"> | ||
| <value>System.Resources.ResXResourceWriter, System.Windows.Forms, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b77a5c561934e089</value> | ||
| </resheader> | ||
| <data name="Invalid_AttributeValue" xml:space="preserve"> | ||
| <value>The {0} value: `{1}` is invalid. Valid example: `{2}`</value> | ||
| <comment>{0} - is the attribute | ||
| {1} is the invalid value of the attribute. | ||
| {2} a valid attriibute value example</comment> | ||
| </data> | ||
| </root> |
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This is only used in one place, and where it was used, I couldn't guess how the callback worked without looking at this code. So, I'm not sure it's a good candidate for a shared method.
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The calling code was already nested fairly deeply, and this seemed to be somewhat useful, but I don't mind removing it.
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Note that as part of this, I added ReadTokenAsString as this class doesn't expose _reader and the existing ReadNextTokenAsString doesn't quite fix the caller's needs.