blob: a17f922b6cba9e7501599ded91490282e141350b [file] [log] [blame]
// Protocol Buffers - Google's data interchange format
// Copyright 2008 Google Inc. All rights reserved.
//
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file or at
// https://developers.google.com/open-source/licenses/bsd
#include "google/protobuf/inlined_string_field.h"
#include <cstddef>
#include <cstdint>
#include <cstring>
#include <string>
#include <utility>
#include "absl/base/optimization.h"
#include "absl/log/absl_check.h"
#include "absl/strings/internal/resize_uninitialized.h"
#include "absl/strings/string_view.h"
#include "google/protobuf/arena.h"
#include "google/protobuf/arena_align.h"
#include "google/protobuf/arenastring.h"
#include "google/protobuf/generated_message_util.h"
#include "google/protobuf/message_lite.h"
#include "google/protobuf/parse_context.h"
// clang-format off
#include "google/protobuf/port_def.inc"
// clang-format on
namespace google {
namespace protobuf {
namespace internal {
#if defined(NDEBUG) || !defined(GOOGLE_PROTOBUF_INTERNAL_DONATE_STEAL_INLINE)
class InlinedStringField::ScopedCheckInvariants {
public:
constexpr explicit ScopedCheckInvariants(const InlinedStringField*) {}
};
#endif // NDEBUG || !GOOGLE_PROTOBUF_INTERNAL_DONATE_STEAL_INLINE
std::string* InlinedStringField::Mutable(const LazyString& /*default_value*/,
Arena* arena, bool donated,
uint32_t* donating_states,
uint32_t mask, MessageLite* msg) {
ScopedCheckInvariants invariants(this);
if (arena == nullptr || !donated) {
return UnsafeMutablePointer();
}
return MutableSlow(arena, donated, donating_states, mask, msg);
}
std::string* InlinedStringField::Mutable(Arena* arena, bool donated,
uint32_t* donating_states,
uint32_t mask, MessageLite* msg) {
ScopedCheckInvariants invariants(this);
if (arena == nullptr || !donated) {
return UnsafeMutablePointer();
}
return MutableSlow(arena, donated, donating_states, mask, msg);
}
std::string* InlinedStringField::MutableSlow(::google::protobuf::Arena* arena,
bool donated,
uint32_t* donating_states,
uint32_t mask, MessageLite* msg) {
(void)mask;
(void)msg;
return UnsafeMutablePointer();
}
void InlinedStringField::SetAllocated(const std::string* default_value,
std::string* value, Arena* arena,
bool donated, uint32_t* donating_states,
uint32_t mask, MessageLite* msg) {
(void)mask;
(void)msg;
SetAllocatedNoArena(default_value, value);
}
void InlinedStringField::Set(std::string&& value, Arena* arena, bool donated,
uint32_t* donating_states, uint32_t mask,
MessageLite* msg) {
(void)donating_states;
(void)mask;
(void)msg;
SetNoArena(std::move(value));
}
std::string* InlinedStringField::Release() {
auto* released = new std::string(std::move(*get_mutable()));
get_mutable()->clear();
return released;
}
std::string* InlinedStringField::Release(Arena* arena, bool donated) {
// We can not steal donated arena strings.
std::string* released = (arena != nullptr && donated)
? new std::string(*get_mutable())
: new std::string(std::move(*get_mutable()));
get_mutable()->clear();
return released;
}
void InlinedStringField::ClearToDefault(const LazyString& default_value,
Arena* arena, bool donated) {
(void)arena;
get_mutable()->assign(default_value.get());
}
} // namespace internal
} // namespace protobuf
} // namespace google
#include "google/protobuf/port_undef.inc"