diff options
Diffstat (limited to 'tools/streaming_proto/main.cpp')
-rw-r--r-- | tools/streaming_proto/main.cpp | 474 |
1 files changed, 0 insertions, 474 deletions
diff --git a/tools/streaming_proto/main.cpp b/tools/streaming_proto/main.cpp deleted file mode 100644 index 5b4ba04b2b58..000000000000 --- a/tools/streaming_proto/main.cpp +++ /dev/null @@ -1,474 +0,0 @@ -#include "Errors.h" - -#include "string_utils.h" - -#include "google/protobuf/compiler/plugin.pb.h" -#include "google/protobuf/io/zero_copy_stream_impl.h" -#include "google/protobuf/text_format.h" - -#include <stdio.h> -#include <iomanip> -#include <iostream> -#include <sstream> -#include <map> - -using namespace android::javastream_proto; -using namespace google::protobuf; -using namespace google::protobuf::compiler; -using namespace google::protobuf::io; -using namespace std; - -const int FIELD_TYPE_SHIFT = 32; -const uint64_t FIELD_TYPE_DOUBLE = 1L << FIELD_TYPE_SHIFT; -const uint64_t FIELD_TYPE_FLOAT = 2L << FIELD_TYPE_SHIFT; -const uint64_t FIELD_TYPE_INT32 = 3L << FIELD_TYPE_SHIFT; -const uint64_t FIELD_TYPE_INT64 = 4L << FIELD_TYPE_SHIFT; -const uint64_t FIELD_TYPE_UINT32 = 5L << FIELD_TYPE_SHIFT; -const uint64_t FIELD_TYPE_UINT64 = 6L << FIELD_TYPE_SHIFT; -const uint64_t FIELD_TYPE_SINT32 = 7L << FIELD_TYPE_SHIFT; -const uint64_t FIELD_TYPE_SINT64 = 8L << FIELD_TYPE_SHIFT; -const uint64_t FIELD_TYPE_FIXED32 = 9L << FIELD_TYPE_SHIFT; -const uint64_t FIELD_TYPE_FIXED64 = 10L << FIELD_TYPE_SHIFT; -const uint64_t FIELD_TYPE_SFIXED32 = 11L << FIELD_TYPE_SHIFT; -const uint64_t FIELD_TYPE_SFIXED64 = 12L << FIELD_TYPE_SHIFT; -const uint64_t FIELD_TYPE_BOOL = 13L << FIELD_TYPE_SHIFT; -const uint64_t FIELD_TYPE_STRING = 14L << FIELD_TYPE_SHIFT; -const uint64_t FIELD_TYPE_BYTES = 15L << FIELD_TYPE_SHIFT; -const uint64_t FIELD_TYPE_ENUM = 16L << FIELD_TYPE_SHIFT; -const uint64_t FIELD_TYPE_OBJECT = 17L << FIELD_TYPE_SHIFT; - -const int FIELD_COUNT_SHIFT = 40; -const uint64_t FIELD_COUNT_SINGLE = 1L << FIELD_COUNT_SHIFT; -const uint64_t FIELD_COUNT_REPEATED = 2L << FIELD_COUNT_SHIFT; -const uint64_t FIELD_COUNT_PACKED = 5L << FIELD_COUNT_SHIFT; - - -/** - * See if this is the file for this request, and not one of the imported ones. - */ -static bool -should_generate_for_file(const CodeGeneratorRequest& request, const string& file) -{ - const int N = request.file_to_generate_size(); - for (int i=0; i<N; i++) { - if (request.file_to_generate(i) == file) { - return true; - } - } - return false; -} - -/** - * If the descriptor gives us a class name, use that. Otherwise make one up from - * the filename of the .proto file. - */ -static string -make_outer_class_name(const FileDescriptorProto& file_descriptor) -{ - string name = file_descriptor.options().java_outer_classname(); - if (name.size() == 0) { - name = to_camel_case(file_base_name(file_descriptor.name())); - if (name.size() == 0) { - ERRORS.Add(UNKNOWN_FILE, UNKNOWN_LINE, - "Unable to make an outer class name for file: %s", - file_descriptor.name().c_str()); - name = "Unknown"; - } - } - return name; -} - -/** - * Figure out the package name that we are generating. - */ -static string -make_java_package(const FileDescriptorProto& file_descriptor) { - if (file_descriptor.options().has_java_package()) { - return file_descriptor.options().java_package(); - } else { - return file_descriptor.package(); - } -} - -/** - * Figure out the name of the file we are generating. - */ -static string -make_file_name(const FileDescriptorProto& file_descriptor, const string& class_name) -{ - string const package = make_java_package(file_descriptor); - string result; - if (package.size() > 0) { - result = replace_string(package, '.', '/'); - result += '/'; - } - - result += class_name; - result += ".java"; - - return result; -} - -static string -indent_more(const string& indent) -{ - return indent + " "; -} - -/** - * Write the constants for an enum. - */ -static void -write_enum(stringstream& text, const EnumDescriptorProto& enu, const string& indent) -{ - const int N = enu.value_size(); - text << indent << "// enum " << enu.name() << endl; - for (int i=0; i<N; i++) { - const EnumValueDescriptorProto& value = enu.value(i); - text << indent << "public static final int " - << make_constant_name(value.name()) - << " = " << value.number() << ";" << endl; - } - text << endl; -} - -/** - * Get the string name for a field. - */ -static string -get_proto_type(const FieldDescriptorProto& field) -{ - switch (field.type()) { - case FieldDescriptorProto::TYPE_DOUBLE: - return "double"; - case FieldDescriptorProto::TYPE_FLOAT: - return "float"; - case FieldDescriptorProto::TYPE_INT64: - return "int64"; - case FieldDescriptorProto::TYPE_UINT64: - return "uint64"; - case FieldDescriptorProto::TYPE_INT32: - return "int32"; - case FieldDescriptorProto::TYPE_FIXED64: - return "fixed64"; - case FieldDescriptorProto::TYPE_FIXED32: - return "fixed32"; - case FieldDescriptorProto::TYPE_BOOL: - return "bool"; - case FieldDescriptorProto::TYPE_STRING: - return "string"; - case FieldDescriptorProto::TYPE_GROUP: - return "group<unsupported!>"; - case FieldDescriptorProto::TYPE_MESSAGE: - return field.type_name(); - case FieldDescriptorProto::TYPE_BYTES: - return "bytes"; - case FieldDescriptorProto::TYPE_UINT32: - return "uint32"; - case FieldDescriptorProto::TYPE_ENUM: - return field.type_name(); - case FieldDescriptorProto::TYPE_SFIXED32: - return "sfixed32"; - case FieldDescriptorProto::TYPE_SFIXED64: - return "sfixed64"; - case FieldDescriptorProto::TYPE_SINT32: - return "sint32"; - case FieldDescriptorProto::TYPE_SINT64: - return "sint64"; - default: - // won't happen - return "void"; - } -} - -static uint64_t -get_field_id(const FieldDescriptorProto& field) -{ - // Number - uint64_t result = (uint32_t)field.number(); - - // Type - switch (field.type()) { - case FieldDescriptorProto::TYPE_DOUBLE: - result |= FIELD_TYPE_DOUBLE; - break; - case FieldDescriptorProto::TYPE_FLOAT: - result |= FIELD_TYPE_FLOAT; - break; - case FieldDescriptorProto::TYPE_INT64: - result |= FIELD_TYPE_INT64; - break; - case FieldDescriptorProto::TYPE_UINT64: - result |= FIELD_TYPE_UINT64; - break; - case FieldDescriptorProto::TYPE_INT32: - result |= FIELD_TYPE_INT32; - break; - case FieldDescriptorProto::TYPE_FIXED64: - result |= FIELD_TYPE_FIXED64; - break; - case FieldDescriptorProto::TYPE_FIXED32: - result |= FIELD_TYPE_FIXED32; - break; - case FieldDescriptorProto::TYPE_BOOL: - result |= FIELD_TYPE_BOOL; - break; - case FieldDescriptorProto::TYPE_STRING: - result |= FIELD_TYPE_STRING; - break; - case FieldDescriptorProto::TYPE_MESSAGE: - result |= FIELD_TYPE_OBJECT; - break; - case FieldDescriptorProto::TYPE_BYTES: - result |= FIELD_TYPE_BYTES; - break; - case FieldDescriptorProto::TYPE_UINT32: - result |= FIELD_TYPE_UINT32; - break; - case FieldDescriptorProto::TYPE_ENUM: - result |= FIELD_TYPE_ENUM; - break; - case FieldDescriptorProto::TYPE_SFIXED32: - result |= FIELD_TYPE_SFIXED32; - break; - case FieldDescriptorProto::TYPE_SFIXED64: - result |= FIELD_TYPE_SFIXED64; - break; - case FieldDescriptorProto::TYPE_SINT32: - result |= FIELD_TYPE_SINT32; - break; - case FieldDescriptorProto::TYPE_SINT64: - result |= FIELD_TYPE_SINT64; - break; - default: - ; - } - - // Count - if (field.options().packed()) { - result |= FIELD_COUNT_PACKED; - } else if (field.label() == FieldDescriptorProto::LABEL_REPEATED) { - result |= FIELD_COUNT_REPEATED; - } else { - result |= FIELD_COUNT_SINGLE; - } - - return result; -} - -/** - * Write a field. - */ -static void -write_field(stringstream& text, const FieldDescriptorProto& field, const string& indent) -{ - string optional_comment = field.label() == FieldDescriptorProto::LABEL_OPTIONAL - ? "optional " : ""; - string repeated_comment = field.label() == FieldDescriptorProto::LABEL_REPEATED - ? "repeated " : ""; - string proto_type = get_proto_type(field); - string packed_comment = field.options().packed() - ? " [packed=true]" : ""; - text << indent << "// " << optional_comment << repeated_comment << proto_type << ' ' - << field.name() << " = " << field.number() << packed_comment << ';' << endl; - - text << indent << "public static final long " << make_constant_name(field.name()) << " = 0x"; - - ios::fmtflags fmt(text.flags()); - text << setfill('0') << setw(16) << hex << get_field_id(field); - text.flags(fmt); - - text << "L;" << endl; - - text << endl; -} - -/** - * Write a Message constants class. - */ -static void -write_message(stringstream& text, const DescriptorProto& message, const string& indent) -{ - int N; - const string indented = indent_more(indent); - - text << indent << "// message " << message.name() << endl; - text << indent << "public final class " << message.name() << " {" << endl; - text << endl; - - // Enums - N = message.enum_type_size(); - for (int i=0; i<N; i++) { - write_enum(text, message.enum_type(i), indented); - } - - // Nested classes - N = message.nested_type_size(); - for (int i=0; i<N; i++) { - write_message(text, message.nested_type(i), indented); - } - - // Fields - N = message.field_size(); - for (int i=0; i<N; i++) { - write_field(text, message.field(i), indented); - } - - text << indent << "}" << endl; - text << endl; -} - -/** - * Write the contents of a file. - * - * If there are enums and generate_outer is false, invalid java code will be generated. - */ -static void -write_file(CodeGeneratorResponse* response, const FileDescriptorProto& file_descriptor, - const string& filename, bool generate_outer, - const vector<EnumDescriptorProto>& enums, const vector<DescriptorProto>& messages) -{ - stringstream text; - - string const package_name = make_java_package(file_descriptor); - string const outer_class_name = make_outer_class_name(file_descriptor); - - text << "// Generated by protoc-gen-javastream. DO NOT MODIFY." << endl; - text << "// source: " << file_descriptor.name() << endl << endl; - - if (package_name.size() > 0) { - if (package_name.size() > 0) { - text << "package " << package_name << ";" << endl; - text << endl; - } - } - - // This bit of policy is android api rules specific: Raw proto classes - // must never be in the API - text << "/** @hide */" << endl; -// text << "@android.annotation.TestApi" << endl; - - if (generate_outer) { - text << "public final class " << outer_class_name << " {" << endl; - text << endl; - } - - size_t N; - const string indented = generate_outer ? indent_more("") : string(); - - N = enums.size(); - for (size_t i=0; i<N; i++) { - write_enum(text, enums[i], indented); - } - - N = messages.size(); - for (size_t i=0; i<N; i++) { - write_message(text, messages[i], indented); - } - - if (generate_outer) { - text << "}" << endl; - } - - CodeGeneratorResponse::File* file_response = response->add_file(); - file_response->set_name(filename); - file_response->set_content(text.str()); -} - -/** - * Write one file per class. Put all of the enums into the "outer" class. - */ -static void -write_multiple_files(CodeGeneratorResponse* response, const FileDescriptorProto& file_descriptor) -{ - // If there is anything to put in the outer class file, create one - if (file_descriptor.enum_type_size() > 0) { - vector<EnumDescriptorProto> enums; - int N = file_descriptor.enum_type_size(); - for (int i=0; i<N; i++) { - enums.push_back(file_descriptor.enum_type(i)); - } - - vector<DescriptorProto> messages; - - write_file(response, file_descriptor, - make_file_name(file_descriptor, make_outer_class_name(file_descriptor)), - true, enums, messages); - } - - // For each of the message types, make a file - int N = file_descriptor.message_type_size(); - for (int i=0; i<N; i++) { - vector<EnumDescriptorProto> enums; - - vector<DescriptorProto> messages; - messages.push_back(file_descriptor.message_type(i)); - - write_file(response, file_descriptor, - make_file_name(file_descriptor, file_descriptor.message_type(i).name()), - false, enums, messages); - } -} - -static void -write_single_file(CodeGeneratorResponse* response, const FileDescriptorProto& file_descriptor) -{ - int N; - - vector<EnumDescriptorProto> enums; - N = file_descriptor.enum_type_size(); - for (int i=0; i<N; i++) { - enums.push_back(file_descriptor.enum_type(i)); - } - - vector<DescriptorProto> messages; - N = file_descriptor.message_type_size(); - for (int i=0; i<N; i++) { - messages.push_back(file_descriptor.message_type(i)); - } - - write_file(response, file_descriptor, - make_file_name(file_descriptor, make_outer_class_name(file_descriptor)), - true, enums, messages); -} - -/** - * Main. - */ -int -main(int argc, char const*const* argv) -{ - (void)argc; - (void)argv; - - GOOGLE_PROTOBUF_VERIFY_VERSION; - - CodeGeneratorRequest request; - CodeGeneratorResponse response; - - // Read the request - request.ParseFromIstream(&cin); - - // Build the files we need. - const int N = request.proto_file_size(); - for (int i=0; i<N; i++) { - const FileDescriptorProto& file_descriptor = request.proto_file(i); - if (should_generate_for_file(request, file_descriptor.name())) { - if (file_descriptor.options().java_multiple_files()) { - write_multiple_files(&response, file_descriptor); - } else { - write_single_file(&response, file_descriptor); - } - } - } - - // If we had errors, don't write the response. Print the errors and exit. - if (ERRORS.HasErrors()) { - ERRORS.Print(); - return 1; - } - - // If we didn't have errors, write the response and exit happily. - response.SerializeToOstream(&cout); - return 0; -} |