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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.
#ifndef GOOGLE_PROTOBUF_INLINED_STRING_FIELD_H__
#define GOOGLE_PROTOBUF_INLINED_STRING_FIELD_H__
#include <string>
#include <google/protobuf/stubs/port.h>
#include <google/protobuf/stubs/stringpiece.h>
namespace google {
namespace protobuf {
class Arena;
namespace internal {
// InlinedStringField wraps a ::std::string instance and exposes an API similar to
// ArenaStringPtr's wrapping of a ::std::string* instance. As ::std::string is never
// allocated on the Arena, we expose only the *NoArena methods of
// ArenaStringPtr.
//
// default_value parameters are taken for consistency with ArenaStringPtr, but
// are not used for most methods. With inlining, these should be removed from
// the generated binary.
class LIBPROTOBUF_EXPORT InlinedStringField {
public:
InlinedStringField()
GOOGLE_PROTOBUF_ATTRIBUTE_ALWAYS_INLINE;
explicit InlinedStringField(const ::std::string& default_value);
void AssignWithDefault(const ::std::string* default_value,
const InlinedStringField& from)
GOOGLE_PROTOBUF_ATTRIBUTE_ALWAYS_INLINE;
void ClearToEmpty(const ::std::string* default_value, Arena* arena)
GOOGLE_PROTOBUF_ATTRIBUTE_ALWAYS_INLINE {
ClearToEmptyNoArena(default_value);
}
void ClearNonDefaultToEmpty() GOOGLE_PROTOBUF_ATTRIBUTE_ALWAYS_INLINE {
ClearNonDefaultToEmptyNoArena();
}
void ClearToEmptyNoArena(const ::std::string* default_value)
GOOGLE_PROTOBUF_ATTRIBUTE_ALWAYS_INLINE {
ClearNonDefaultToEmptyNoArena();
}
void ClearNonDefaultToEmptyNoArena()
GOOGLE_PROTOBUF_ATTRIBUTE_ALWAYS_INLINE;
void ClearToDefault(const ::std::string* default_value, Arena* arena)
GOOGLE_PROTOBUF_ATTRIBUTE_ALWAYS_INLINE {
ClearToDefaultNoArena(default_value);
}
void ClearToDefaultNoArena(const ::std::string* default_value)
GOOGLE_PROTOBUF_ATTRIBUTE_ALWAYS_INLINE;
void Destroy(const ::std::string* default_value, Arena* arena)
GOOGLE_PROTOBUF_ATTRIBUTE_ALWAYS_INLINE {
DestroyNoArena(default_value);
}
void DestroyNoArena(const ::std::string* default_value)
GOOGLE_PROTOBUF_ATTRIBUTE_ALWAYS_INLINE;
const ::std::string& Get() const GOOGLE_PROTOBUF_ATTRIBUTE_ALWAYS_INLINE {
return GetNoArena();
}
const ::std::string& GetNoArena() const GOOGLE_PROTOBUF_ATTRIBUTE_ALWAYS_INLINE;
::std::string* Mutable(const ::std::string* default_value, Arena* arena)
GOOGLE_PROTOBUF_ATTRIBUTE_ALWAYS_INLINE {
return MutableNoArena(default_value);
}
::std::string* MutableNoArena(const ::std::string* default_value)
GOOGLE_PROTOBUF_ATTRIBUTE_ALWAYS_INLINE;
::std::string* Release(const ::std::string* default_value, Arena* arena) {
return ReleaseNoArena(default_value);
}
::std::string* ReleaseNonDefault(const ::std::string* default_value, Arena* arena) {
return ReleaseNonDefaultNoArena(default_value);
}
::std::string* ReleaseNoArena(const ::std::string* default_value) {
return ReleaseNonDefaultNoArena(default_value);
}
::std::string* ReleaseNonDefaultNoArena(const ::std::string* default_value);
void Set(const ::std::string* default_value,
StringPiece value,
Arena* arena) GOOGLE_PROTOBUF_ATTRIBUTE_ALWAYS_INLINE {
SetNoArena(default_value, value);
}
void SetLite(const ::std::string* default_value,
StringPiece value,
Arena* arena) GOOGLE_PROTOBUF_ATTRIBUTE_ALWAYS_INLINE {
SetNoArena(default_value, value);
}
void SetNoArena(const ::std::string* default_value,
StringPiece value) GOOGLE_PROTOBUF_ATTRIBUTE_ALWAYS_INLINE;
void Set(const ::std::string* default_value,
const ::std::string& value,
Arena* arena) GOOGLE_PROTOBUF_ATTRIBUTE_ALWAYS_INLINE {
SetNoArena(default_value, value);
}
void SetLite(const ::std::string* default_value,
const ::std::string& value,
Arena* arena) GOOGLE_PROTOBUF_ATTRIBUTE_ALWAYS_INLINE {
SetNoArena(default_value, value);
}
void SetNoArena(const ::std::string* default_value,
const ::std::string& value)
GOOGLE_PROTOBUF_ATTRIBUTE_ALWAYS_INLINE;
#if LANG_CXX11
void SetNoArena(const ::std::string* default_value,
::std::string&& value)
GOOGLE_PROTOBUF_ATTRIBUTE_ALWAYS_INLINE;
#endif
void SetAllocated(const ::std::string* default_value,
::std::string* value,
Arena* arena) {
SetAllocatedNoArena(default_value, value);
}
void SetAllocatedNoArena(const ::std::string* default_value,
::std::string* value);
void Swap(InlinedStringField* from)
GOOGLE_PROTOBUF_ATTRIBUTE_ALWAYS_INLINE;
::std::string* UnsafeMutablePointer();
void UnsafeSetDefault(const ::std::string* default_value);
::std::string* UnsafeArenaRelease(const ::std::string* default_value, Arena* arena);
void UnsafeArenaSetAllocated(
const ::std::string* default_value, ::std::string* value, Arena* arena);
bool IsDefault(const ::std::string* default_value) {
return false;
}
private:
::std::string value_;
};
inline InlinedStringField::InlinedStringField() {}
inline InlinedStringField::InlinedStringField(const ::std::string& default_value) :
value_(default_value) {}
inline void InlinedStringField::AssignWithDefault(
const ::std::string* default_value, const InlinedStringField& from) {
value_ = from.value_;
}
inline const ::std::string& InlinedStringField::GetNoArena() const {
return value_;
}
inline ::std::string* InlinedStringField::MutableNoArena(const ::std::string*) {
return &value_;
}
inline void InlinedStringField::SetAllocatedNoArena(
const ::std::string* default_value, ::std::string* value) {
if (value == NULL) {
value_.assign(*default_value);
} else {
#if LANG_CXX11
value_.assign(std::move(*value));
#else
value_.swap(*value);
#endif
delete value;
}
}
inline void InlinedStringField::DestroyNoArena(const ::std::string*) {
// This is invoked from the generated message's ArenaDtor, which is used to
// clean up objects not allocated on the Arena.
this->~InlinedStringField();
}
inline void InlinedStringField::ClearNonDefaultToEmptyNoArena() {
value_.clear();
}
inline void InlinedStringField::ClearToDefaultNoArena(
const ::std::string* default_value) {
value_.assign(*default_value);
}
inline ::std::string* InlinedStringField::ReleaseNonDefaultNoArena(
const ::std::string* default_value) {
::std::string* released = new ::std::string(*default_value);
value_.swap(*released);
return released;
}
inline void InlinedStringField::SetNoArena(
const ::std::string* default_value, StringPiece value) {
value_.assign(value.data(), value.length());
}
inline void InlinedStringField::SetNoArena(
const ::std::string* default_value, const ::std::string& value) {
value_.assign(value);
}
#if LANG_CXX11
inline void InlinedStringField::SetNoArena(
const ::std::string* default_value, ::std::string&& value) {
value_.assign(std::move(value));
}
#endif
inline void InlinedStringField::Swap(InlinedStringField* from) {
value_.swap(from->value_);
}
inline ::std::string* InlinedStringField::UnsafeMutablePointer() {
return &value_;
}
inline void InlinedStringField::UnsafeSetDefault(
const ::std::string* default_value) {
value_.assign(*default_value);
}
inline ::std::string* InlinedStringField::UnsafeArenaRelease(
const ::std::string* default_value, Arena* arena) {
return ReleaseNoArena(default_value);
}
inline void InlinedStringField::UnsafeArenaSetAllocated(
const ::std::string* default_value, ::std::string* value, Arena* arena) {
if (value == NULL) {
value_.assign(*default_value);
} else {
value_.assign(*value);
}
}
} // namespace internal
} // namespace protobuf
} // namespace google
#endif // GOOGLE_PROTOBUF_INLINED_STRING_FIELD_H__
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