73 lines
2.6 KiB
C++
73 lines
2.6 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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// Author: kenton@google.com (Kenton Varda)
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// Based on original Protocol Buffers design by
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// Sanjay Ghemawat, Jeff Dean, and others.
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#ifndef GOOGLE_PROTOBUF_COMPILER_JAVA_INTERNAL_HELPERS_H__
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#define GOOGLE_PROTOBUF_COMPILER_JAVA_INTERNAL_HELPERS_H__
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#include "google/protobuf/compiler/java/java_features.pb.h"
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#include "google/protobuf/compiler/java/context.h"
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#include "google/protobuf/compiler/java/generator.h"
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#include "google/protobuf/compiler/java/name_resolver.h"
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#include "google/protobuf/compiler/java/names.h"
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#include "google/protobuf/descriptor.h"
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#include "google/protobuf/descriptor.pb.h"
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// Must be last.
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#include "google/protobuf/port_def.inc"
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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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// Whether unknown enum values are kept (i.e., not stored in UnknownFieldSet
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// but in the message and can be queried using additional getters that return
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// ints.
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inline bool SupportUnknownEnumValue(const FieldDescriptor* field) {
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if (JavaGenerator::GetResolvedSourceFeatures(*field)
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.GetExtension(pb::java)
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.legacy_closed_enum()) {
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return false;
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}
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return field->enum_type() != nullptr && !field->enum_type()->is_closed();
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}
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inline bool CheckUtf8(const FieldDescriptor* descriptor) {
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if (JavaGenerator::GetResolvedSourceFeatures(*descriptor)
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.GetExtension(pb::java)
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.utf8_validation() == pb::JavaFeatures::VERIFY) {
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return true;
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}
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return JavaGenerator::GetResolvedSourceFeatures(*descriptor)
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.utf8_validation() == FeatureSet::VERIFY ||
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// For legacy syntax. This is not allowed under Editions.
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descriptor->file()->options().java_string_check_utf8();
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}
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// Only the lowest two bytes of the return value are used. The lowest byte
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// is the integer value of a j/c/g/protobuf/FieldType enum. For the other
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// byte:
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// bit 0: whether the field is required.
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// bit 1: whether the field requires UTF-8 validation.
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// bit 2: whether the field needs isInitialized check.
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// bit 3: whether the field is a closed enum.
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// bits 4-7: unused
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int GetExperimentalJavaFieldType(const FieldDescriptor* field);
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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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#include "google/protobuf/port_undef.inc"
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#endif // GOOGLE_PROTOBUF_COMPILER_JAVA_INTERNAL_HELPERS_H__
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