130 lines
4.7 KiB
C++
130 lines
4.7 KiB
C++
// Protocol Buffers - Google's data interchange format
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// Copyright 2008 Google Inc. All rights reserved.
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// https://developers.google.com/protocol-buffers/
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived from
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// this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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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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