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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_MAP_FIELD_INL_H__
+#define GOOGLE_PROTOBUF_MAP_FIELD_INL_H__
+
+#include <memory>
+
+#include <google/protobuf/stubs/casts.h>
+#include <google/protobuf/map.h>
+#include <google/protobuf/map_field.h>
+#include <google/protobuf/map_type_handler.h>
+
+#ifdef SWIG
+#error "You cannot SWIG proto headers"
+#endif
+
+namespace google {
+namespace protobuf {
+namespace internal {
+// UnwrapMapKey template
+template <typename T>
+T UnwrapMapKey(const MapKey& map_key);
+template <>
+inline int32_t UnwrapMapKey<int32_t>(const MapKey& map_key) {
+ return map_key.GetInt32Value();
+}
+template <>
+inline uint32_t UnwrapMapKey<uint32_t>(const MapKey& map_key) {
+ return map_key.GetUInt32Value();
+}
+template <>
+inline int64_t UnwrapMapKey<int64_t>(const MapKey& map_key) {
+ return map_key.GetInt64Value();
+}
+template <>
+inline uint64_t UnwrapMapKey<uint64_t>(const MapKey& map_key) {
+ return map_key.GetUInt64Value();
+}
+template <>
+inline bool UnwrapMapKey<bool>(const MapKey& map_key) {
+ return map_key.GetBoolValue();
+}
+template <>
+inline std::string UnwrapMapKey<std::string>(const MapKey& map_key) {
+ return map_key.GetStringValue();
+}
+
+// SetMapKey template
+template <typename T>
+inline void SetMapKey(MapKey* map_key, const T& value);
+template <>
+inline void SetMapKey<int32_t>(MapKey* map_key, const int32_t& value) {
+ map_key->SetInt32Value(value);
+}
+template <>
+inline void SetMapKey<uint32_t>(MapKey* map_key, const uint32_t& value) {
+ map_key->SetUInt32Value(value);
+}
+template <>
+inline void SetMapKey<int64_t>(MapKey* map_key, const int64_t& value) {
+ map_key->SetInt64Value(value);
+}
+template <>
+inline void SetMapKey<uint64_t>(MapKey* map_key, const uint64_t& value) {
+ map_key->SetUInt64Value(value);
+}
+template <>
+inline void SetMapKey<bool>(MapKey* map_key, const bool& value) {
+ map_key->SetBoolValue(value);
+}
+template <>
+inline void SetMapKey<std::string>(MapKey* map_key, const std::string& value) {
+ map_key->SetStringValue(value);
+}
+
+// ------------------------TypeDefinedMapFieldBase---------------
+template <typename Key, typename T>
+typename Map<Key, T>::const_iterator&
+TypeDefinedMapFieldBase<Key, T>::InternalGetIterator(
+ const MapIterator* map_iter) const {
+ return *reinterpret_cast<typename Map<Key, T>::const_iterator*>(
+ map_iter->iter_);
+}
+
+template <typename Key, typename T>
+void TypeDefinedMapFieldBase<Key, T>::MapBegin(MapIterator* map_iter) const {
+ InternalGetIterator(map_iter) = GetMap().begin();
+ SetMapIteratorValue(map_iter);
+}
+
+template <typename Key, typename T>
+void TypeDefinedMapFieldBase<Key, T>::MapEnd(MapIterator* map_iter) const {
+ InternalGetIterator(map_iter) = GetMap().end();
+}
+
+template <typename Key, typename T>
+bool TypeDefinedMapFieldBase<Key, T>::EqualIterator(
+ const MapIterator& a, const MapIterator& b) const {
+ return InternalGetIterator(&a) == InternalGetIterator(&b);
+}
+
+template <typename Key, typename T>
+void TypeDefinedMapFieldBase<Key, T>::IncreaseIterator(
+ MapIterator* map_iter) const {
+ ++InternalGetIterator(map_iter);
+ SetMapIteratorValue(map_iter);
+}
+
+template <typename Key, typename T>
+void TypeDefinedMapFieldBase<Key, T>::InitializeIterator(
+ MapIterator* map_iter) const {
+ map_iter->iter_ = new typename Map<Key, T>::const_iterator;
+ GOOGLE_CHECK(map_iter->iter_ != nullptr);
+}
+
+template <typename Key, typename T>
+void TypeDefinedMapFieldBase<Key, T>::DeleteIterator(
+ MapIterator* map_iter) const {
+ delete reinterpret_cast<typename Map<Key, T>::const_iterator*>(
+ map_iter->iter_);
+}
+
+template <typename Key, typename T>
+void TypeDefinedMapFieldBase<Key, T>::CopyIterator(
+ MapIterator* this_iter, const MapIterator& that_iter) const {
+ InternalGetIterator(this_iter) = InternalGetIterator(&that_iter);
+ this_iter->key_.SetType(that_iter.key_.type());
+ // MapValueRef::type() fails when containing data is null. However, if
+ // this_iter points to MapEnd, data can be null.
+ this_iter->value_.SetType(
+ static_cast<FieldDescriptor::CppType>(that_iter.value_.type_));
+ SetMapIteratorValue(this_iter);
+}
+
+// ----------------------------------------------------------------------
+
+template <typename Derived, typename Key, typename T,
+ WireFormatLite::FieldType kKeyFieldType,
+ WireFormatLite::FieldType kValueFieldType>
+int MapField<Derived, Key, T, kKeyFieldType, kValueFieldType>::size() const {
+ MapFieldBase::SyncMapWithRepeatedField();
+ return static_cast<int>(impl_.GetMap().size());
+}
+
+template <typename Derived, typename Key, typename T,
+ WireFormatLite::FieldType kKeyFieldType,
+ WireFormatLite::FieldType kValueFieldType>
+void MapField<Derived, Key, T, kKeyFieldType, kValueFieldType>::Clear() {
+ if (this->MapFieldBase::repeated_field_ != nullptr) {
+ RepeatedPtrField<EntryType>* repeated_field =
+ reinterpret_cast<RepeatedPtrField<EntryType>*>(
+ this->MapFieldBase::repeated_field_);
+ repeated_field->Clear();
+ }
+
+ impl_.MutableMap()->clear();
+ // Data in map and repeated field are both empty, but we can't set status
+ // CLEAN. Because clear is a generated API, we cannot invalidate previous
+ // reference to map.
+ MapFieldBase::SetMapDirty();
+}
+
+template <typename Derived, typename Key, typename T,
+ WireFormatLite::FieldType kKeyFieldType,
+ WireFormatLite::FieldType kValueFieldType>
+void MapField<Derived, Key, T, kKeyFieldType,
+ kValueFieldType>::SetMapIteratorValue(MapIterator* map_iter)
+ const {
+ const Map<Key, T>& map = impl_.GetMap();
+ typename Map<Key, T>::const_iterator iter =
+ TypeDefinedMapFieldBase<Key, T>::InternalGetIterator(map_iter);
+ if (iter == map.end()) return;
+ SetMapKey(&map_iter->key_, iter->first);
+ map_iter->value_.SetValue(&iter->second);
+}
+
+template <typename Derived, typename Key, typename T,
+ WireFormatLite::FieldType kKeyFieldType,
+ WireFormatLite::FieldType kValueFieldType>
+bool MapField<Derived, Key, T, kKeyFieldType, kValueFieldType>::ContainsMapKey(
+ const MapKey& map_key) const {
+ const Map<Key, T>& map = impl_.GetMap();
+ const Key& key = UnwrapMapKey<Key>(map_key);
+ typename Map<Key, T>::const_iterator iter = map.find(key);
+ return iter != map.end();
+}
+
+template <typename Derived, typename Key, typename T,
+ WireFormatLite::FieldType kKeyFieldType,
+ WireFormatLite::FieldType kValueFieldType>
+bool MapField<Derived, Key, T, kKeyFieldType,
+ kValueFieldType>::InsertOrLookupMapValue(const MapKey& map_key,
+ MapValueRef* val) {
+ // Always use mutable map because users may change the map value by
+ // MapValueRef.
+ Map<Key, T>* map = MutableMap();
+ const Key& key = UnwrapMapKey<Key>(map_key);
+ typename Map<Key, T>::iterator iter = map->find(key);
+ if (map->end() == iter) {
+ val->SetValue(&((*map)[key]));
+ return true;
+ }
+ // Key is already in the map. Make sure (*map)[key] is not called.
+ // [] may reorder the map and iterators.
+ val->SetValue(&(iter->second));
+ return false;
+}
+
+template <typename Derived, typename Key, typename T,
+ WireFormatLite::FieldType kKeyFieldType,
+ WireFormatLite::FieldType kValueFieldType>
+bool MapField<Derived, Key, T, kKeyFieldType, kValueFieldType>::LookupMapValue(
+ const MapKey& map_key, MapValueConstRef* val) const {
+ const Map<Key, T>& map = GetMap();
+ const Key& key = UnwrapMapKey<Key>(map_key);
+ typename Map<Key, T>::const_iterator iter = map.find(key);
+ if (map.end() == iter) {
+ return false;
+ }
+ // Key is already in the map. Make sure (*map)[key] is not called.
+ // [] may reorder the map and iterators.
+ val->SetValue(&(iter->second));
+ return true;
+}
+
+template <typename Derived, typename Key, typename T,
+ WireFormatLite::FieldType kKeyFieldType,
+ WireFormatLite::FieldType kValueFieldType>
+bool MapField<Derived, Key, T, kKeyFieldType, kValueFieldType>::DeleteMapValue(
+ const MapKey& map_key) {
+ const Key& key = UnwrapMapKey<Key>(map_key);
+ return MutableMap()->erase(key);
+}
+
+template <typename Derived, typename Key, typename T,
+ WireFormatLite::FieldType kKeyFieldType,
+ WireFormatLite::FieldType kValueFieldType>
+void MapField<Derived, Key, T, kKeyFieldType, kValueFieldType>::MergeFrom(
+ const MapFieldBase& other) {
+ MapFieldBase::SyncMapWithRepeatedField();
+ const MapField& other_field = static_cast<const MapField&>(other);
+ other_field.SyncMapWithRepeatedField();
+ impl_.MergeFrom(other_field.impl_);
+ MapFieldBase::SetMapDirty();
+}
+
+template <typename Derived, typename Key, typename T,
+ WireFormatLite::FieldType kKeyFieldType,
+ WireFormatLite::FieldType kValueFieldType>
+void MapField<Derived, Key, T, kKeyFieldType, kValueFieldType>::Swap(
+ MapFieldBase* other) {
+ MapFieldBase::Swap(other);
+ MapField* other_field = down_cast<MapField*>(other);
+ impl_.Swap(&other_field->impl_);
+}
+
+template <typename Derived, typename Key, typename T,
+ WireFormatLite::FieldType kKeyFieldType,
+ WireFormatLite::FieldType kValueFieldType>
+void MapField<Derived, Key, T, kKeyFieldType,
+ kValueFieldType>::UnsafeShallowSwap(MapFieldBase* other) {
+ InternalSwap(down_cast<MapField*>(other));
+}
+
+template <typename Derived, typename Key, typename T,
+ WireFormatLite::FieldType kKeyFieldType,
+ WireFormatLite::FieldType kValueFieldType>
+void MapField<Derived, Key, T, kKeyFieldType, kValueFieldType>::InternalSwap(
+ MapField* other) {
+ MapFieldBase::InternalSwap(other);
+ impl_.InternalSwap(&other->impl_);
+}
+
+template <typename Derived, typename Key, typename T,
+ WireFormatLite::FieldType kKeyFieldType,
+ WireFormatLite::FieldType kValueFieldType>
+void MapField<Derived, Key, T, kKeyFieldType,
+ kValueFieldType>::SyncRepeatedFieldWithMapNoLock() const {
+ if (this->MapFieldBase::repeated_field_ == nullptr) {
+ this->MapFieldBase::repeated_field_ =
+ Arena::CreateMessage<RepeatedPtrField<Message> >(
+ this->MapFieldBase::arena_);
+ }
+ const Map<Key, T>& map = impl_.GetMap();
+ RepeatedPtrField<EntryType>* repeated_field =
+ reinterpret_cast<RepeatedPtrField<EntryType>*>(
+ this->MapFieldBase::repeated_field_);
+
+ repeated_field->Clear();
+
+ // The only way we can get at this point is through reflection and the
+ // only way we can get the reflection object is by having called GetReflection
+ // on the encompassing field. So that type must have existed and hence we
+ // know that this MapEntry default_type has also already been constructed.
+ // So it's safe to just call internal_default_instance().
+ const Message* default_entry = Derived::internal_default_instance();
+ for (typename Map<Key, T>::const_iterator it = map.begin(); it != map.end();
+ ++it) {
+ EntryType* new_entry =
+ down_cast<EntryType*>(default_entry->New(this->MapFieldBase::arena_));
+ repeated_field->AddAllocated(new_entry);
+ (*new_entry->mutable_key()) = it->first;
+ (*new_entry->mutable_value()) = it->second;
+ }
+}
+
+template <typename Derived, typename Key, typename T,
+ WireFormatLite::FieldType kKeyFieldType,
+ WireFormatLite::FieldType kValueFieldType>
+void MapField<Derived, Key, T, kKeyFieldType,
+ kValueFieldType>::SyncMapWithRepeatedFieldNoLock() const {
+ Map<Key, T>* map = const_cast<MapField*>(this)->impl_.MutableMap();
+ RepeatedPtrField<EntryType>* repeated_field =
+ reinterpret_cast<RepeatedPtrField<EntryType>*>(
+ this->MapFieldBase::repeated_field_);
+ GOOGLE_CHECK(this->MapFieldBase::repeated_field_ != nullptr);
+ map->clear();
+ for (typename RepeatedPtrField<EntryType>::iterator it =
+ repeated_field->begin();
+ it != repeated_field->end(); ++it) {
+ // Cast is needed because Map's api and internal storage is different when
+ // value is enum. For enum, we cannot cast an int to enum. Thus, we have to
+ // copy value. For other types, they have same exposed api type and internal
+ // stored type. We should not introduce value copy for them. We achieve this
+ // by casting to value for enum while casting to reference for other types.
+ (*map)[it->key()] = static_cast<CastValueType>(it->value());
+ }
+}
+
+template <typename Derived, typename Key, typename T,
+ WireFormatLite::FieldType kKeyFieldType,
+ WireFormatLite::FieldType kValueFieldType>
+size_t MapField<Derived, Key, T, kKeyFieldType,
+ kValueFieldType>::SpaceUsedExcludingSelfNoLock() const {
+ size_t size = 0;
+ if (this->MapFieldBase::repeated_field_ != nullptr) {
+ size += this->MapFieldBase::repeated_field_->SpaceUsedExcludingSelfLong();
+ }
+ size += impl_.GetMap().SpaceUsedExcludingSelfLong();
+
+ return size;
+}
+} // namespace internal
+} // namespace protobuf
+} // namespace google
+
+#endif // GOOGLE_PROTOBUF_MAP_FIELD_INL_H__
generated by cgit v1.2.3 (git 2.39.1) at 2024-08-15 09:06:26 +0000