107 lines
3.4 KiB
C++
107 lines
3.4 KiB
C++
// Protocol Buffers - Google's data interchange format
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// Copyright 2008 Google Inc. All rights reserved.
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//
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file or at
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// https://developers.google.com/open-source/licenses/bsd
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#ifndef GOOGLE_PROTOBUF_COMPILER_JAVA_CONTEXT_H__
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#define GOOGLE_PROTOBUF_COMPILER_JAVA_CONTEXT_H__
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#include <memory>
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#include <vector>
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#include "absl/container/flat_hash_map.h"
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#include "google/protobuf/compiler/java/helpers.h"
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#include "google/protobuf/compiler/java/options.h"
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#include "google/protobuf/port.h"
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namespace google {
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namespace protobuf {
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class FileDescriptor;
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class FieldDescriptor;
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class OneofDescriptor;
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class Descriptor;
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class EnumDescriptor;
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namespace compiler {
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namespace java {
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class ClassNameResolver; // name_resolver.h
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}
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} // namespace compiler
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} // namespace protobuf
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} // namespace google
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namespace google {
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namespace protobuf {
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namespace compiler {
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namespace java {
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struct FieldGeneratorInfo;
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struct OneofGeneratorInfo;
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// A context object holds the information that is shared among all code
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// generators.
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class Context {
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public:
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Context(const FileDescriptor* file, const Options& options);
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Context(const Context&) = delete;
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Context& operator=(const Context&) = delete;
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~Context();
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// Get the name resolver associated with this context. The resolver
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// can be used to map descriptors to Java class names.
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ClassNameResolver* GetNameResolver() const;
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// Get the FieldGeneratorInfo for a given field.
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const FieldGeneratorInfo* GetFieldGeneratorInfo(
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const FieldDescriptor* field) const;
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// Get the OneofGeneratorInfo for a given oneof.
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const OneofGeneratorInfo* GetOneofGeneratorInfo(
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const OneofDescriptor* oneof) const;
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const Options& options() const { return options_; }
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// Enforces all the files (including transitive dependencies) to use
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// LiteRuntime.
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bool EnforceLite() const { return options_.enforce_lite; }
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// Does this message class have generated parsing, serialization, and other
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// standard methods for which reflection-based fallback implementations exist?
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bool HasGeneratedMethods(const Descriptor* descriptor) const;
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private:
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void InitializeFieldGeneratorInfo(const FileDescriptor* file);
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void InitializeFieldGeneratorInfoForMessage(const Descriptor* message);
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void InitializeFieldGeneratorInfoForFields(
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const std::vector<const FieldDescriptor*>& fields);
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std::unique_ptr<ClassNameResolver> name_resolver_;
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absl::flat_hash_map<const FieldDescriptor*, FieldGeneratorInfo>
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field_generator_info_map_;
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absl::flat_hash_map<const OneofDescriptor*, OneofGeneratorInfo>
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oneof_generator_info_map_;
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Options options_;
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};
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template <typename Descriptor>
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void MaybePrintGeneratedAnnotation(Context* context, io::Printer* printer,
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Descriptor* descriptor, bool immutable,
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const std::string& suffix = "") {
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if (IsOwnFile(descriptor, immutable)) {
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PrintGeneratedAnnotation(printer, '$',
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context->options().annotate_code
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? AnnotationFileName(descriptor, suffix)
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: "",
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context->options());
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}
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}
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} // namespace java
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} // namespace compiler
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} // namespace protobuf
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} // namespace google
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#endif // GOOGLE_PROTOBUF_COMPILER_JAVA_CONTEXT_H__
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