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// 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.
#include "google/protobuf/compiler/objectivec/message_field.h"
#include <string>
#include "y_absl/container/btree_set.h"
#include "y_absl/container/flat_hash_map.h"
#include "google/protobuf/compiler/objectivec/helpers.h"
#include "google/protobuf/compiler/objectivec/names.h"
namespace google {
namespace protobuf {
namespace compiler {
namespace objectivec {
namespace {
void SetMessageVariables(
const FieldDescriptor* descriptor,
y_absl::flat_hash_map<y_absl::string_view, TProtoStringType>* variables) {
const TProtoStringType& message_type = ClassName(descriptor->message_type());
const TProtoStringType& containing_class =
ClassName(descriptor->containing_type());
(*variables)["type"] = message_type;
(*variables)["containing_class"] = containing_class;
(*variables)["storage_type"] = message_type;
(*variables)["group_or_message"] =
(descriptor->type() == FieldDescriptor::TYPE_GROUP) ? "Group" : "Message";
(*variables)["dataTypeSpecific_value"] = ObjCClass(message_type);
}
} // namespace
MessageFieldGenerator::MessageFieldGenerator(const FieldDescriptor* descriptor)
: ObjCObjFieldGenerator(descriptor) {
SetMessageVariables(descriptor, &variables_);
}
void MessageFieldGenerator::DetermineForwardDeclarations(
y_absl::btree_set<TProtoStringType>* fwd_decls,
bool include_external_types) const {
ObjCObjFieldGenerator::DetermineForwardDeclarations(fwd_decls,
include_external_types);
// Within a file there is no requirement on the order of the messages, so
// local references need a forward declaration. External files (not WKTs),
// need one when requested.
if ((include_external_types && !IsProtobufLibraryBundledProtoFile(
descriptor_->message_type()->file())) ||
descriptor_->file() == descriptor_->message_type()->file()) {
// Class name is already in "storage_type".
fwd_decls->insert(y_absl::StrCat("@class ", variable("storage_type"), ";"));
}
}
void MessageFieldGenerator::DetermineObjectiveCClassDefinitions(
y_absl::btree_set<TProtoStringType>* fwd_decls) const {
fwd_decls->insert(ObjCClassDeclaration(variable("storage_type")));
}
RepeatedMessageFieldGenerator::RepeatedMessageFieldGenerator(
const FieldDescriptor* descriptor)
: RepeatedFieldGenerator(descriptor) {
SetMessageVariables(descriptor, &variables_);
TProtoStringType storage_type = variables_["storage_type"];
variables_["array_storage_type"] = "NSMutableArray";
variables_["array_property_type"] =
y_absl::StrCat("NSMutableArray<", storage_type, "*>");
}
void RepeatedMessageFieldGenerator::DetermineForwardDeclarations(
y_absl::btree_set<TProtoStringType>* fwd_decls,
bool include_external_types) const {
RepeatedFieldGenerator::DetermineForwardDeclarations(fwd_decls,
include_external_types);
// Within a file there is no requirement on the order of the messages, so
// local references need a forward declaration. External files (not WKTs),
// need one when requested.
if ((include_external_types && !IsProtobufLibraryBundledProtoFile(
descriptor_->message_type()->file())) ||
descriptor_->file() == descriptor_->message_type()->file()) {
// Class name is already in "storage_type".
fwd_decls->insert(y_absl::StrCat("@class ", variable("storage_type"), ";"));
}
}
void RepeatedMessageFieldGenerator::DetermineObjectiveCClassDefinitions(
y_absl::btree_set<TProtoStringType>* fwd_decls) const {
fwd_decls->insert(ObjCClassDeclaration(variable("storage_type")));
}
} // namespace objectivec
} // namespace compiler
} // namespace protobuf
} // namespace google
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