diff options
Diffstat (limited to 'src/google/protobuf/compiler/java/java_shared_code_generator.cc')
| -rw-r--r-- | src/google/protobuf/compiler/java/java_shared_code_generator.cc | 201 |
1 files changed, 0 insertions, 201 deletions
diff --git a/src/google/protobuf/compiler/java/java_shared_code_generator.cc b/src/google/protobuf/compiler/java/java_shared_code_generator.cc deleted file mode 100644 index ea77f79..0000000 --- a/src/google/protobuf/compiler/java/java_shared_code_generator.cc +++ /dev/null @@ -1,201 +0,0 @@ -// Protocol Buffers - Google's data interchange format -// Copyright 2008 Google Inc. All rights reserved. -// https://developers.google.com/protocol-buffers/ -// -// 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: xiaofeng@google.com (Feng Xiao) - -#include <google/protobuf/compiler/java/java_shared_code_generator.h> - -#include <memory> - -#include <google/protobuf/compiler/java/java_helpers.h> -#include <google/protobuf/compiler/java/java_name_resolver.h> -#include <google/protobuf/compiler/code_generator.h> -#include <google/protobuf/io/printer.h> -#include <google/protobuf/io/zero_copy_stream.h> -#include <google/protobuf/descriptor.pb.h> -#include <google/protobuf/descriptor.h> -#include <google/protobuf/stubs/strutil.h> - -namespace google { -namespace protobuf { -namespace compiler { -namespace java { - -SharedCodeGenerator::SharedCodeGenerator(const FileDescriptor* file) - : name_resolver_(new ClassNameResolver), file_(file) { -} - -SharedCodeGenerator::~SharedCodeGenerator() { -} - -void SharedCodeGenerator::Generate(GeneratorContext* context, - vector<string>* file_list) { - string java_package = FileJavaPackage(file_); - string package_dir = JavaPackageToDir(java_package); - - if (HasDescriptorMethods(file_)) { - // Generate descriptors. - string classname = name_resolver_->GetDescriptorClassName(file_); - string filename = package_dir + classname + ".java"; - file_list->push_back(filename); - scoped_ptr<io::ZeroCopyOutputStream> output(context->Open(filename)); - scoped_ptr<io::Printer> printer(new io::Printer(output.get(), '$')); - - printer->Print( - "// Generated by the protocol buffer compiler. DO NOT EDIT!\n" - "// source: $filename$\n" - "\n", - "filename", file_->name()); - if (!java_package.empty()) { - printer->Print( - "package $package$;\n" - "\n", - "package", java_package); - } - printer->Print( - "public final class $classname$ {\n" - " public static com.google.protobuf.Descriptors.FileDescriptor\n" - " descriptor;\n" - " static {\n", - "classname", classname); - printer->Indent(); - printer->Indent(); - GenerateDescriptors(printer.get()); - printer->Outdent(); - printer->Outdent(); - printer->Print( - " }\n" - "}\n"); - - printer.reset(); - output.reset(); - } -} - - -void SharedCodeGenerator::GenerateDescriptors(io::Printer* printer) { - // Embed the descriptor. We simply serialize the entire FileDescriptorProto - // and embed it as a string literal, which is parsed and built into real - // descriptors at initialization time. We unfortunately have to put it in - // a string literal, not a byte array, because apparently using a literal - // byte array causes the Java compiler to generate *instructions* to - // initialize each and every byte of the array, e.g. as if you typed: - // b[0] = 123; b[1] = 456; b[2] = 789; - // This makes huge bytecode files and can easily hit the compiler's internal - // code size limits (error "code to large"). String literals are apparently - // embedded raw, which is what we want. - FileDescriptorProto file_proto; - file_->CopyTo(&file_proto); - - - string file_data; - file_proto.SerializeToString(&file_data); - - printer->Print( - "java.lang.String[] descriptorData = {\n"); - printer->Indent(); - - // Only write 40 bytes per line. - static const int kBytesPerLine = 40; - for (int i = 0; i < file_data.size(); i += kBytesPerLine) { - if (i > 0) { - // Every 400 lines, start a new string literal, in order to avoid the - // 64k length limit. - if (i % 400 == 0) { - printer->Print(",\n"); - } else { - printer->Print(" +\n"); - } - } - printer->Print("\"$data$\"", - "data", CEscape(file_data.substr(i, kBytesPerLine))); - } - - printer->Outdent(); - printer->Print("\n};\n"); - - // ----------------------------------------------------------------- - // Create the InternalDescriptorAssigner. - - printer->Print( - "com.google.protobuf.Descriptors.FileDescriptor." - "InternalDescriptorAssigner assigner =\n" - " new com.google.protobuf.Descriptors.FileDescriptor." - " InternalDescriptorAssigner() {\n" - " public com.google.protobuf.ExtensionRegistry assignDescriptors(\n" - " com.google.protobuf.Descriptors.FileDescriptor root) {\n" - " descriptor = root;\n" - // Custom options will be handled when immutable messages' outer class is - // loaded. Here we just return null and let custom options be unknown - // fields. - " return null;\n" - " }\n" - " };\n"); - - // ----------------------------------------------------------------- - // Find out all dependencies. - vector<pair<string, string> > dependencies; - for (int i = 0; i < file_->dependency_count(); i++) { - if (ShouldIncludeDependency(file_->dependency(i))) { - string filename = file_->dependency(i)->name(); - string classname = FileJavaPackage(file_->dependency(i)) + "." + - name_resolver_->GetDescriptorClassName( - file_->dependency(i)); - dependencies.push_back(make_pair(filename, classname)); - } - } - - // ----------------------------------------------------------------- - // Invoke internalBuildGeneratedFileFrom() to build the file. - printer->Print( - "com.google.protobuf.Descriptors.FileDescriptor\n" - " .internalBuildGeneratedFileFrom(descriptorData,\n" - " new com.google.protobuf.Descriptors.FileDescriptor[] {\n"); - - for (int i = 0; i < dependencies.size(); i++) { - const string& dependency = dependencies[i].second; - printer->Print( - " $dependency$.getDescriptor(),\n", - "dependency", dependency); - } - - printer->Print( - " }, assigner);\n"); -} - -bool SharedCodeGenerator::ShouldIncludeDependency( - const FileDescriptor* descriptor) { - return true; -} - -} // namespace java -} // namespace compiler -} // namespace protobuf -} // namespace google |