blob: 534f24eb614690643a7255ba4108a3b4f920ea6d [file] [log] [blame]
// Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
part of protoc;
/// Configures where output of the protoc compiler should be placed and how to
/// import one generated file from another.
abstract class OutputConfiguration {
const OutputConfiguration();
/// Resolves an import of a generated Dart file.
/// Both [source] and [target] are .proto files, where [source] imports
/// [target].
/// The returned URI can be used within one of the source's dart files to
/// import the target's generated file with the given extension.
Uri resolveImport(Uri target, Uri source, String extension);
/// Returns the path where the .pb.dart file will be placed.
/// The input is a .proto file and the output is a path under the output
/// folder.
Uri outputPathFor(Uri inputPath, String extension);
/// Default [OutputConfiguration] that uses the same path as the input
/// file for the output file (just replaces the extension), and that uses
/// relative paths to resolve imports.
class DefaultOutputConfiguration extends OutputConfiguration {
const DefaultOutputConfiguration();
Uri outputPathFor(Uri input, String extension) {
var base = path.withoutExtension(path.url.fromUri(input));
return path.url.toUri('$base$extension');
Uri resolveImport(Uri target, Uri source, String extension) {
var targetPath = path.url.fromUri(target);
var sourceDir = path.url.dirname(path.url.fromUri(source));
var base =
path.withoutExtension(path.url.relative(targetPath, from: sourceDir));
return path.url.toUri('$base$extension');