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Allow constructing values from any source sequence #13

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merged 1 commit into from
Jan 7, 2024
Merged

Allow constructing values from any source sequence #13

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27 changes: 27 additions & 0 deletions Bonsai.Sgen/CSharpClassTemplate.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -180,7 +180,34 @@ public override void BuildType(CodeTypeDeclaration type)
"Defer"),
new CodeSnippetExpression(
@$"() => System.Reactive.Linq.Observable.Return(new {Model.ClassName}(this))"))));

var genericTypeParameter = new CodeTypeParameter("TSource");
var genericSourceParameter = new CodeParameterDeclarationExpression(new CodeTypeReference(typeof(IObservable<>))
{
TypeArguments = { new CodeTypeReference(genericTypeParameter) }
}, "source");
var genericProcessMethod = new CodeMemberMethod
{
Name = "Process",
Attributes = MemberAttributes.Public | MemberAttributes.Final,
TypeParameters = { genericTypeParameter },
Parameters = { genericSourceParameter },
ReturnType = new CodeTypeReference(typeof(IObservable<>))
{
TypeArguments = { new CodeTypeReference(Model.ClassName) }
}
};
genericProcessMethod.Statements.Add(new CodeMethodReturnStatement(
new CodeMethodInvokeExpression(
new CodeMethodReferenceExpression(
new CodeTypeReferenceExpression("System.Reactive.Linq.Observable"),
"Select"),
new CodeVariableReferenceExpression(genericSourceParameter.Name),
new CodeSnippetExpression(
@$"_ => new {Model.ClassName}(this)"))));

type.Members.Add(processMethod);
type.Members.Add(genericProcessMethod);
type.CustomAttributes.Add(new CodeAttributeDeclaration(
new CodeTypeReference("Bonsai.CombinatorAttribute")));
type.CustomAttributes.Add(new CodeAttributeDeclaration(
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