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Signed-off-by: Daniele Ahmed <[email protected]>
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75 changes: 75 additions & 0 deletions
75
...in/software/amazon/smithy/rust/codegen/server/smithy/generators/ServerBuilderGenerator.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,75 @@ | ||
| /* | ||
| * Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved. | ||
| * SPDX-License-Identifier: Apache-2.0 | ||
| */ | ||
|
|
||
| package software.amazon.smithy.rust.codegen.server.smithy.generators | ||
|
|
||
| import software.amazon.smithy.model.Model | ||
| import software.amazon.smithy.model.node.BooleanNode | ||
| import software.amazon.smithy.model.node.NullNode | ||
| import software.amazon.smithy.model.node.NumberNode | ||
| import software.amazon.smithy.model.node.StringNode | ||
| import software.amazon.smithy.model.shapes.BooleanShape | ||
| import software.amazon.smithy.model.shapes.DocumentShape | ||
| import software.amazon.smithy.model.shapes.EnumShape | ||
| import software.amazon.smithy.model.shapes.FloatShape | ||
| import software.amazon.smithy.model.shapes.IntEnumShape | ||
| import software.amazon.smithy.model.shapes.IntegerShape | ||
| import software.amazon.smithy.model.shapes.ListShape | ||
| import software.amazon.smithy.model.shapes.MapShape | ||
| import software.amazon.smithy.model.shapes.MemberShape | ||
| import software.amazon.smithy.model.shapes.StringShape | ||
| import software.amazon.smithy.model.shapes.StructureShape | ||
| import software.amazon.smithy.model.traits.DefaultTrait | ||
| import software.amazon.smithy.model.traits.EnumDefinition | ||
| import software.amazon.smithy.rust.codegen.core.rustlang.RustWriter | ||
| import software.amazon.smithy.rust.codegen.core.rustlang.rust | ||
| import software.amazon.smithy.rust.codegen.core.smithy.RustSymbolProvider | ||
| import software.amazon.smithy.rust.codegen.core.smithy.generators.BuilderGenerator | ||
| import software.amazon.smithy.rust.codegen.core.util.dq | ||
| import software.amazon.smithy.rust.codegen.core.util.expectTrait | ||
|
|
||
| class ServerBuilderGenerator( | ||
| private val model: Model, | ||
| private val symbolProvider: RustSymbolProvider, | ||
| shape: StructureShape, | ||
| ) : BuilderGenerator(model, symbolProvider, shape) { | ||
| override fun renderDefaultBuilder(writer: RustWriter, member: MemberShape) { | ||
| val node = member.expectTrait<DefaultTrait>().toNode()!! | ||
| when (val target = model.expectShape(member.target)) { | ||
| is EnumShape, is IntEnumShape -> { | ||
| val value = when (target) { | ||
| is IntEnumShape -> node.expectNumberNode().value | ||
| else -> node.expectStringNode().value | ||
| } | ||
| val enumValues = when (target) { | ||
| is IntEnumShape -> target.enumValues | ||
| is EnumShape -> target.enumValues | ||
| else -> mapOf<String, String>() | ||
| } | ||
| val variant = enumValues | ||
| .entries | ||
| .filter { entry -> entry.value == value } | ||
| .map { entry -> symbolProvider.toEnumVariantName(EnumDefinition.builder().name(entry.key).value(entry.value.toString()).build())!! } | ||
| .first() | ||
| val symbol = symbolProvider.toSymbol(target) | ||
| writer.rust(".unwrap_or($symbol::${variant.name})") | ||
| } | ||
| is IntegerShape, is FloatShape -> writer.rust(".unwrap_or(${node.expectNumberNode().value})") | ||
| is BooleanShape -> writer.rust(".unwrap_or(${node.expectBooleanNode().value})") | ||
| is StringShape -> writer.rust(".unwrap_or_else(|| String::from(${node.expectStringNode().value.dq()}))") | ||
| is ListShape, is MapShape -> writer.rust(".unwrap_or_default()") | ||
| is DocumentShape -> { | ||
| when (node) { | ||
| is NullNode -> writer.rust(".unwrap_or_default()") | ||
| is BooleanNode -> writer.rust(".unwrap_or(${node.value})") | ||
| is StringNode -> writer.rust(".unwrap_or_else(|| String::from(${node.value.dq()}))") | ||
| is NumberNode -> writer.rust(".unwrap_or(${node.value})") | ||
| else -> writer.rust(".unwrap_or_default()") | ||
| } | ||
| } | ||
| else -> writer.rust(".unwrap_or_default()") | ||
| } | ||
| } | ||
| } |
31 changes: 31 additions & 0 deletions
31
...server/src/main/kotlin/software/amazon/smithy/rust/codegen/server/testutil/TestHelpers.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,31 @@ | ||
| /* | ||
| * Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved. | ||
| * SPDX-License-Identifier: Apache-2.0 | ||
| */ | ||
|
|
||
| package software.amazon.smithy.rust.codegen.server.testutil | ||
|
|
||
| import software.amazon.smithy.model.Model | ||
| import software.amazon.smithy.model.shapes.StructureShape | ||
| import software.amazon.smithy.rust.codegen.core.rustlang.RustWriter | ||
| import software.amazon.smithy.rust.codegen.core.smithy.CodegenTarget | ||
| import software.amazon.smithy.rust.codegen.core.smithy.RustSymbolProvider | ||
| import software.amazon.smithy.rust.codegen.core.smithy.generators.StructureGenerator | ||
| import software.amazon.smithy.rust.codegen.core.smithy.generators.implBlock | ||
| import software.amazon.smithy.rust.codegen.server.smithy.generators.ServerBuilderGenerator | ||
|
|
||
| /** | ||
| * In tests, we frequently need to generate a struct, a builder, and an impl block to access said builder. | ||
| */ | ||
| fun StructureShape.renderWithModelBuilder( | ||
| model: Model, | ||
| symbolProvider: RustSymbolProvider, | ||
| writer: RustWriter, | ||
| ) { | ||
| StructureGenerator(model, symbolProvider, writer, this).render(CodegenTarget.SERVER) | ||
| val modelBuilder = ServerBuilderGenerator(model, symbolProvider, this) | ||
| modelBuilder.render(writer) | ||
| writer.implBlock(this, symbolProvider) { | ||
| modelBuilder.renderConvenienceMethod(this) | ||
| } | ||
| } |
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