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stdlib/protobuf.pkl

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+//===----------------------------------------------------------------------===//
+// Copyright © 2024 Apple Inc. and the Pkl project authors. All rights reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     https://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//===----------------------------------------------------------------------===//
+
+/// A renderer for [Protocol Buffers](https://developers.google.com/protocol-buffers).
+/// Note: This module is _experimental_ and not ready for production use.
+@ModuleInfo { minPklVersion = "0.25.0" }
+module pkl.protobuf
+
+import "pkl:reflect"
+
+/// A renderer for [Protocol Buffers](https://developers.google.com/protocol-buffers).
+/// Note: This class is _experimental_ and not ready for production use.
+///
+/// As of this release, only Protocol Buffers' text format is supported.
+class Renderer extends ValueRenderer {
+  /// The characters to use for indenting output.
+  ///
+  /// Defaults to two spaces.
+  indent: String = "  "
+
+  external function renderDocument(value: Any): String
+
+  external function renderValue(value: Any): String
+
+  /// Returns the canonical name for [type].
+  external function renderType(type: reflect.Type): String
+}