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Add an extenstion method for Uri escape function

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This commit is contained in:
Sam Xu 2019-04-10 14:40:25 -07:00
parent c56cc0db5c
commit 25c65a1191
1 changed files with 33 additions and 0 deletions
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33
src/Microsoft.OpenApi.OData.Reader/Edm/EdmModelExtensions.cs
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@ -7,6 +7,8 @@ using System;
using System.Collections.Generic;
using System.Linq;
using Microsoft.OData.Edm;
using Microsoft.OData.Edm.Vocabularies;
using Microsoft.OData.Edm.Vocabularies.Community.V1;
using Microsoft.OpenApi.OData.Common;
namespace Microsoft.OpenApi.OData.Edm
@ -16,6 +18,37 @@ namespace Microsoft.OpenApi.OData.Edm
/// </summary>
public static class EdmModelExtensions
{
/// <summary>
/// Determines whether the specified function is UrlEscape function or not.
/// </summary>
/// <param name="model">The Edm model.</param>
/// <param name="function">The specified function</param>
/// <returns><c>true</c> if the specified operation is UrlEscape function; otherwise, <c>false</c>.</returns>
public static bool IsUrlEscapeFunction(this IEdmModel model, IEdmFunction function)
{
Utils.CheckArgumentNull(model, nameof(model));
Utils.CheckArgumentNull(function, nameof(function));
IEdmVocabularyAnnotation annotation = model.FindVocabularyAnnotations<IEdmVocabularyAnnotation>(function,
CommunityVocabularyModel.UrlEscapeFunctionTerm).FirstOrDefault();
if (annotation != null)
{
if (annotation.Value == null)
{
// If the annotation is applied but a value is not specified then the value is assumed to be true.
return true;
}
IEdmBooleanConstantExpression tagConstant = annotation.Value as IEdmBooleanConstantExpression;
if (tagConstant != null)
{
return tagConstant.Value;
}
}
return false;
}
/// <summary>
/// Load all navigation sources into a dictionary.
/// </summary>