generate method
void
generate({})
Runs the code generator. The optional optionParsers
can be used to
change how command line options are parsed (see parseGenerationOptions
for details), and config
can be used to override where
generated files are created and how imports between generated files are
constructed (see OutputConfiguration
for details).
Implementation
void generate(
{Map<String, SingleOptionParser>? optionParsers,
OutputConfiguration config = const DefaultOutputConfiguration()}) {
var extensions = ExtensionRegistry();
Dart_options.registerAllExtensions(extensions);
_streamIn
.fold(
BytesBuilder(), (BytesBuilder builder, data) => builder..add(data))
.then((builder) => builder.takeBytes())
.then((List<int> bytes) {
var request = CodeGeneratorRequest.fromBuffer(bytes, extensions);
var response = CodeGeneratorResponse();
// Parse the options in the request. Return the errors is any.
var options = parseGenerationOptions(request, response, optionParsers);
if (options == null) {
_streamOut.add(response.writeToBuffer());
return;
}
// Create a syntax tree for each .proto file given to us.
// (We may import it even if we don't generate the .pb.dart file.)
var generators = <FileGenerator>[];
for (var file in request.protoFile) {
generators.add(FileGenerator(file, options));
}
// Collect field types and importable files.
link(options, generators);
// Generate the .pb.dart file if requested.
for (var gen in generators) {
var name = gen.descriptor.name;
if (request.fileToGenerate.contains(name)) {
response.file.addAll(gen.generateFiles(config));
}
}
response.supportedFeatures =
Int64(CodeGeneratorResponse_Feature.FEATURE_PROTO3_OPTIONAL.value);
_streamOut.add(response.writeToBuffer());
});
}