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MaggieKimani1MaggieKimani1
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Add a v31 schema deserializer
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‎src/Microsoft.OpenApi/Reader/V31/OpenApiSchemaDeserializer.cs

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// Copyright (c) Microsoft Corporation. All rights reserved.
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// Licensed under the MIT license.
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using Microsoft.OpenApi.Extensions;
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using Microsoft.OpenApi.Models;
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using Microsoft.OpenApi.Reader.ParseNodes;
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using System.Collections.Generic;
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using System.Globalization;
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namespace Microsoft.OpenApi.Reader.V31
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{
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internal static partial class OpenApiV31Deserializer
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{
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private static readonly FixedFieldMap<OpenApiSchema> _openApiSchemaFixedFields = new()
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{
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{
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"title",
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(o, n, _) => o.Title = n.GetScalarValue()
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},
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{
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"$schema",
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(o, n, _) => o.Schema = n.GetScalarValue()
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},
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{
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"$id",
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(o, n, _) => o.Id = n.GetScalarValue()
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},
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{
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"$comment",
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(o, n, _) => o.Comment = n.GetScalarValue()
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},
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{
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"$vocabulary",
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(o, n, _) => o.Vocabulary = n.GetScalarValue()
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},
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{
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"$dynamicRef",
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(o, n, _) => o.DynamicRef = n.GetScalarValue()
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},
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{
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"$dynamicAnchor",
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(o, n, _) => o.DynamicAnchor = n.GetScalarValue()
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},
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{
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"$recursiveAnchor",
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(o, n, _) => o.RecursiveAnchor = n.GetScalarValue()
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},
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{
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"$recursiveRef",
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(o, n, _) => o.RecursiveRef = n.GetScalarValue()
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},
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{
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"$defs",
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(o, n, t) => o.Definitions = n.CreateMap(LoadOpenApiSchema, t)
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},
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{
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"multipleOf",
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(o, n, _) => o.MultipleOf = decimal.Parse(n.GetScalarValue(), NumberStyles.Float, CultureInfo.InvariantCulture)
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},
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{
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"maximum",
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(o, n, _) => o.Maximum = ParserHelper.ParseDecimalWithFallbackOnOverflow(n.GetScalarValue(), decimal.MaxValue)
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},
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{
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"exclusiveMaximum",
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(o, n, _) => o.V31ExclusiveMaximum = ParserHelper.ParseDecimalWithFallbackOnOverflow(n.GetScalarValue(), decimal.MaxValue)
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},
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{
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"minimum",
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(o, n, _) => o.Minimum = ParserHelper.ParseDecimalWithFallbackOnOverflow(n.GetScalarValue(), decimal.MinValue)
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},
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{
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"exclusiveMinimum",
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(o, n, _) => o.V31ExclusiveMinimum = ParserHelper.ParseDecimalWithFallbackOnOverflow(n.GetScalarValue(), decimal.MaxValue)
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},
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{
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"maxLength",
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(o, n, _) => o.MaxLength = int.Parse(n.GetScalarValue(), CultureInfo.InvariantCulture)
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},
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{
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"minLength",
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(o, n, _) => o.MinLength = int.Parse(n.GetScalarValue(), CultureInfo.InvariantCulture)
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},
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{
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"pattern",
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(o, n, _) => o.Pattern = n.GetScalarValue()
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},
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{
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"maxItems",
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(o, n, _) => o.MaxItems = int.Parse(n.GetScalarValue(), CultureInfo.InvariantCulture)
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},
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{
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"minItems",
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(o, n, _) => o.MinItems = int.Parse(n.GetScalarValue(), CultureInfo.InvariantCulture)
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},
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{
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"uniqueItems",
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(o, n, _) => o.UniqueItems = bool.Parse(n.GetScalarValue())
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},
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{
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"unevaluatedProperties",
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(o, n, _) => o.UnevaluatedProperties = bool.Parse(n.GetScalarValue())
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},
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{
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"maxProperties",
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(o, n, _) => o.MaxProperties = int.Parse(n.GetScalarValue(), CultureInfo.InvariantCulture)
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},
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{
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"minProperties",
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(o, n, _) => o.MinProperties = int.Parse(n.GetScalarValue(), CultureInfo.InvariantCulture)
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},
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{
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"required",
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(o, n, _) => o.Required = new HashSet<string>(n.CreateSimpleList((n2, p) => n2.GetScalarValue()))
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},
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{
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"enum",
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(o, n, _) => o.Enum = n.CreateListOfAny()
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},
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{
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"type",
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(o, n, _) => o.TypeArray = n.CreateSimpleList((n2, p) => n2.GetScalarValue()).ToArray()
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},
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{
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"allOf",
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(o, n, t) => o.AllOf = n.CreateList(LoadOpenApiSchema, t)
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},
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{
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"oneOf",
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(o, n, t) => o.OneOf = n.CreateList(LoadOpenApiSchema, t)
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},
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{
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"anyOf",
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(o, n, t) => o.AnyOf = n.CreateList(LoadOpenApiSchema, t)
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},
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{
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"not",
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(o, n, _) => o.Not = LoadOpenApiSchema(n)
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},
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{
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"items",
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(o, n, _) => o.Items = LoadOpenApiSchema(n)
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},
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{
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"properties",
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(o, n, t) => o.Properties = n.CreateMap(LoadOpenApiSchema, t)
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},
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{
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"additionalProperties", (o, n, _) =>
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{
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if (n is ValueNode)
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{
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o.AdditionalPropertiesAllowed = bool.Parse(n.GetScalarValue());
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}
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else
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{
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o.AdditionalProperties = LoadOpenApiSchema(n);
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}
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}
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},
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{
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"description",
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(o, n, _) => o.Description = n.GetScalarValue()
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},
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{
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"format",
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(o, n, _) => o.Format = n.GetScalarValue()
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},
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{
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"default",
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(o, n, _) => o.Default = n.CreateAny()
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},
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{
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"nullable",
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(o, n, _) => o.Nullable = bool.Parse(n.GetScalarValue())
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},
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{
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"discriminator",
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(o, n, _) => o.Discriminator = LoadDiscriminator(n)
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},
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{
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"readOnly",
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(o, n, _) => o.ReadOnly = bool.Parse(n.GetScalarValue())
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},
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{
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"writeOnly",
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(o, n, _) => o.WriteOnly = bool.Parse(n.GetScalarValue())
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},
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{
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"xml",
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(o, n, _) => o.Xml = LoadXml(n)
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},
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{
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"externalDocs",
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(o, n, _) => o.ExternalDocs = LoadExternalDocs(n)
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},
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{
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"example",
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(o, n, _) => o.Example = n.CreateAny()
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},
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{
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"deprecated",
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(o, n, _) => o.Deprecated = bool.Parse(n.GetScalarValue())
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},
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};
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private static readonly PatternFieldMap<OpenApiSchema> _openApiSchemaPatternFields = new()
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{
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{s => s.StartsWith("x-"), (o, p, n, _) => o.AddExtension(p, LoadExtension(p,n))}
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};
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public static OpenApiSchema LoadOpenApiSchema(ParseNode node, OpenApiDocument hostDocument = null)
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{
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var mapNode = node.CheckMapNode(OpenApiConstants.Schema);
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var pointer = mapNode.GetReferencePointer();
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if (pointer != null)
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{
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return new()
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{
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UnresolvedReference = true,
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Reference = node.Context.VersionService.ConvertToOpenApiReference(pointer, ReferenceType.Schema)
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};
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}
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var schema = new OpenApiSchema();
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foreach (var propertyNode in mapNode)
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{
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propertyNode.ParseField(schema, _openApiSchemaFixedFields, _openApiSchemaPatternFields);
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}
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return schema;
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}
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}
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}

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