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+// Protocol Buffers - Google's data interchange format
+// Copyright 2008 Google Inc. All rights reserved.
+// http://code.google.com/p/protobuf/
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+// * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// Author: kenton@google.com (Kenton Varda)
+// Based on original Protocol Buffers design by
+// Sanjay Ghemawat, Jeff Dean, and others.
+
+// Copyright (c) 2008-2013, Dave Benson. All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//
+// * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// Modified to implement C code by Dave Benson.
+
+#include <protoc-c/c_service.h>
+#include <protoc-c/c_helpers.h>
+#include <google/protobuf/io/printer.h>
+
+namespace google {
+namespace protobuf {
+namespace compiler {
+namespace c {
+
+ServiceGenerator::ServiceGenerator(const ServiceDescriptor* descriptor,
+ const string& dllexport_decl)
+ : descriptor_(descriptor) {
+ vars_["name"] = descriptor_->name();
+ vars_["fullname"] = descriptor_->full_name();
+ vars_["cname"] = FullNameToC(descriptor_->full_name());
+ vars_["lcfullname"] = FullNameToLower(descriptor_->full_name());
+ vars_["ucfullname"] = FullNameToUpper(descriptor_->full_name());
+ vars_["lcfullpadd"] = ConvertToSpaces(vars_["lcfullname"]);
+ vars_["package"] = descriptor_->file()->package();
+ if (dllexport_decl.empty()) {
+ vars_["dllexport"] = "";
+ } else {
+ vars_["dllexport"] = dllexport_decl + " ";
+ }
+}
+
+ServiceGenerator::~ServiceGenerator() {}
+
+// Header stuff.
+void ServiceGenerator::GenerateMainHFile(io::Printer* printer)
+{
+ GenerateVfuncs(printer);
+ GenerateInitMacros(printer);
+ GenerateCallersDeclarations(printer);
+}
+void ServiceGenerator::GenerateVfuncs(io::Printer* printer)
+{
+ printer->Print(vars_,
+ "typedef struct _$cname$_Service $cname$_Service;\n"
+ "struct _$cname$_Service\n"
+ "{\n"
+ " ProtobufCService base;\n");
+ for (int i = 0; i < descriptor_->method_count(); i++) {
+ const MethodDescriptor *method = descriptor_->method(i);
+ string lcname = CamelToLower(method->name());
+ vars_["method"] = lcname;
+ vars_["metpad"] = ConvertToSpaces(lcname);
+ vars_["input_typename"] = FullNameToC(method->input_type()->full_name());
+ vars_["output_typename"] = FullNameToC(method->output_type()->full_name());
+ printer->Print(vars_,
+ " void (*$method$)($cname$_Service *service,\n"
+ " $metpad$ const $input_typename$ *input,\n"
+ " $metpad$ $output_typename$_Closure closure,\n"
+ " $metpad$ void *closure_data);\n");
+ }
+ printer->Print(vars_,
+ "};\n");
+ printer->Print(vars_,
+ "typedef void (*$cname$_ServiceDestroy)($cname$_Service *);\n"
+ "void $lcfullname$__init ($cname$_Service *service,\n"
+ " $lcfullpadd$ $cname$_ServiceDestroy destroy);\n");
+}
+void ServiceGenerator::GenerateInitMacros(io::Printer* printer)
+{
+ printer->Print(vars_,
+ "#define $ucfullname$__BASE_INIT \\\n"
+ " { &$lcfullname$__descriptor, protobuf_c_service_invoke_internal, NULL }\n"
+ "#define $ucfullname$__INIT(function_prefix__) \\\n"
+ " { $ucfullname$__BASE_INIT");
+ for (int i = 0; i < descriptor_->method_count(); i++) {
+ const MethodDescriptor *method = descriptor_->method(i);
+ string lcname = CamelToLower(method->name());
+ vars_["method"] = lcname;
+ vars_["metpad"] = ConvertToSpaces(lcname);
+ printer->Print(vars_,
+ ",\\\n function_prefix__ ## $method$");
+ }
+ printer->Print(vars_,
+ " }\n");
+}
+void ServiceGenerator::GenerateCallersDeclarations(io::Printer* printer)
+{
+ for (int i = 0; i < descriptor_->method_count(); i++) {
+ const MethodDescriptor *method = descriptor_->method(i);
+ string lcname = CamelToLower(method->name());
+ string lcfullname = FullNameToLower(descriptor_->full_name());
+ vars_["method"] = lcname;
+ vars_["metpad"] = ConvertToSpaces(lcname);
+ vars_["input_typename"] = FullNameToC(method->input_type()->full_name());
+ vars_["output_typename"] = FullNameToC(method->output_type()->full_name());
+ vars_["padddddddddddddddddd"] = ConvertToSpaces(lcfullname + "__" + lcname);
+ printer->Print(vars_,
+ "void $lcfullname$__$method$(ProtobufCService *service,\n"
+ " $padddddddddddddddddd$ const $input_typename$ *input,\n"
+ " $padddddddddddddddddd$ $output_typename$_Closure closure,\n"
+ " $padddddddddddddddddd$ void *closure_data);\n");
+ }
+}
+
+void ServiceGenerator::GenerateDescriptorDeclarations(io::Printer* printer)
+{
+ printer->Print(vars_, "extern const ProtobufCServiceDescriptor $lcfullname$__descriptor;\n");
+}
+
+
+// Source file stuff.
+void ServiceGenerator::GenerateCFile(io::Printer* printer)
+{
+ GenerateServiceDescriptor(printer);
+ GenerateCallersImplementations(printer);
+ GenerateInit(printer);
+}
+void ServiceGenerator::GenerateInit(io::Printer* printer)
+{
+ printer->Print(vars_,
+ "void $lcfullname$__init ($cname$_Service *service,\n"
+ " $lcfullpadd$ $cname$_ServiceDestroy destroy)\n"
+ "{\n"
+ " protobuf_c_service_generated_init (&service->base,\n"
+ " &$lcfullname$__descriptor,\n"
+ " (ProtobufCServiceDestroy) destroy);\n"
+ "}\n");
+}
+
+struct MethodIndexAndName { unsigned i; const char *name; };
+static int
+compare_method_index_and_name_by_name (const void *a, const void *b)
+{
+ const MethodIndexAndName *ma = (const MethodIndexAndName *) a;
+ const MethodIndexAndName *mb = (const MethodIndexAndName *) b;
+ return strcmp (ma->name, mb->name);
+}
+
+void ServiceGenerator::GenerateServiceDescriptor(io::Printer* printer)
+{
+ int n_methods = descriptor_->method_count();
+ MethodIndexAndName *mi_array = new MethodIndexAndName[n_methods];
+
+ bool optimize_code_size = descriptor_->file()->options().has_optimize_for() &&
+ descriptor_->file()->options().optimize_for() ==
+ FileOptions_OptimizeMode_CODE_SIZE;
+
+ vars_["n_methods"] = SimpleItoa(n_methods);
+ printer->Print(vars_, "static const ProtobufCMethodDescriptor $lcfullname$__method_descriptors[$n_methods$] =\n"
+ "{\n");
+ for (int i = 0; i < n_methods; i++) {
+ const MethodDescriptor *method = descriptor_->method(i);
+ vars_["method"] = method->name();
+ vars_["input_descriptor"] = "&" + FullNameToLower(method->input_type()->full_name()) + "__descriptor";
+ vars_["output_descriptor"] = "&" + FullNameToLower(method->output_type()->full_name()) + "__descriptor";
+ if (optimize_code_size) {
+ printer->Print(vars_,
+ " { NULL, $input_descriptor$, $output_descriptor$ }, /* CODE_SIZE */\n");
+ } else {
+ printer->Print(vars_,
+ " { \"$method$\", $input_descriptor$, $output_descriptor$ },\n");
+ }
+ mi_array[i].i = i;
+ mi_array[i].name = method->name().c_str();
+ }
+ printer->Print(vars_, "};\n");
+
+ if (!optimize_code_size) {
+ qsort ((void*)mi_array, n_methods, sizeof (MethodIndexAndName),
+ compare_method_index_and_name_by_name);
+ printer->Print(vars_, "const unsigned $lcfullname$__method_indices_by_name[] = {\n");
+ for (int i = 0; i < n_methods; i++) {
+ vars_["i"] = SimpleItoa(mi_array[i].i);
+ vars_["name"] = mi_array[i].name;
+ vars_["comma"] = (i + 1 < n_methods) ? "," : " ";
+ printer->Print(vars_, " $i$$comma$ /* $name$ */\n");
+ }
+ printer->Print(vars_, "};\n");
+ vars_["name"] = descriptor_->name();
+ }
+
+ if (optimize_code_size) {
+ printer->Print(vars_, "const ProtobufCServiceDescriptor $lcfullname$__descriptor =\n"
+ "{\n"
+ " PROTOBUF_C__SERVICE_DESCRIPTOR_MAGIC,\n"
+ " NULL,NULL,NULL,NULL, /* CODE_SIZE */\n"
+ " $n_methods$,\n"
+ " $lcfullname$__method_descriptors,\n"
+ " NULL /* CODE_SIZE */\n"
+ "};\n");
+ } else {
+ printer->Print(vars_, "const ProtobufCServiceDescriptor $lcfullname$__descriptor =\n"
+ "{\n"
+ " PROTOBUF_C__SERVICE_DESCRIPTOR_MAGIC,\n"
+ " \"$fullname$\",\n"
+ " \"$name$\",\n"
+ " \"$cname$\",\n"
+ " \"$package$\",\n"
+ " $n_methods$,\n"
+ " $lcfullname$__method_descriptors,\n"
+ " $lcfullname$__method_indices_by_name\n"
+ "};\n");
+ }
+
+ delete[] mi_array;
+}
+
+void ServiceGenerator::GenerateCallersImplementations(io::Printer* printer)
+{
+ for (int i = 0; i < descriptor_->method_count(); i++) {
+ const MethodDescriptor *method = descriptor_->method(i);
+ string lcname = CamelToLower(method->name());
+ string lcfullname = FullNameToLower(descriptor_->full_name());
+ vars_["method"] = lcname;
+ vars_["metpad"] = ConvertToSpaces(lcname);
+ vars_["input_typename"] = FullNameToC(method->input_type()->full_name());
+ vars_["output_typename"] = FullNameToC(method->output_type()->full_name());
+ vars_["padddddddddddddddddd"] = ConvertToSpaces(lcfullname + "__" + lcname);
+ vars_["index"] = SimpleItoa(i);
+
+ printer->Print(vars_,
+ "void $lcfullname$__$method$(ProtobufCService *service,\n"
+ " $padddddddddddddddddd$ const $input_typename$ *input,\n"
+ " $padddddddddddddddddd$ $output_typename$_Closure closure,\n"
+ " $padddddddddddddddddd$ void *closure_data)\n"
+ "{\n"
+ " assert(service->descriptor == &$lcfullname$__descriptor);\n"
+ " service->invoke(service, $index$, (const ProtobufCMessage *) input, (ProtobufCClosure) closure, closure_data);\n"
+ "}\n");
+ }
+}
+
+
+} // namespace c
+} // namespace compiler
+} // namespace protobuf
+} // namespace google
generated by cgit v1.3.1 (git 2.54.0) at 2026-06-19 16:52:38 +0000