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External references for the object API thru a resolver function.

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This allows hashed string fields to be used for lookup of any
C++ objects, a pointer to which are then stored in the object
besides the original hash for easy access.

Change-Id: I2247a13c349b905f1c54660becde2c818ad23e97
Tested: on Linux.
Bug: 30204449
This commit is contained in:
Wouter van Oortmerssen
2016-10-05 16:59:15 -07:00
parent b2e55c556e
commit dc2fa215b8
10 changed files with 161 additions and 76 deletions
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34
samples/monster_generated.h
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@@ -47,8 +47,8 @@ struct EquipmentUnion {
EquipmentUnion &operator=(const EquipmentUnion &);
~EquipmentUnion();
static flatbuffers::NativeTable *UnPack(const void *union_obj, Equipment type);
flatbuffers::Offset<void> Pack(flatbuffers::FlatBufferBuilder &_fbb) const;
static flatbuffers::NativeTable *UnPack(const void *union_obj, Equipment type, const flatbuffers::resolver_function_t *resolver);
flatbuffers::Offset<void> Pack(flatbuffers::FlatBufferBuilder &_fbb, const flatbuffers::rehasher_function_t *rehasher = nullptr) const;
WeaponT *AsWeapon() { return type == Equipment_Weapon ? reinterpret_cast<WeaponT *>(table) : nullptr; }
};
@@ -142,7 +142,7 @@ struct Monster FLATBUFFERS_FINAL_CLASS : private flatbuffers::Table {
VerifyEquipment(verifier, equipped(), equipped_type()) &&
verifier.EndTable();
}
std::unique_ptr<MonsterT> UnPack() const;
std::unique_ptr<MonsterT> UnPack(const flatbuffers::resolver_function_t *resolver = nullptr) const;
};
struct MonsterBuilder {
@@ -201,7 +201,7 @@ inline flatbuffers::Offset<Monster> CreateMonsterDirect(flatbuffers::FlatBufferB
return CreateMonster(_fbb, pos, mana, hp, name ? _fbb.CreateString(name) : 0, inventory ? _fbb.CreateVector<uint8_t>(*inventory) : 0, color, weapons ? _fbb.CreateVector<flatbuffers::Offset<Weapon>>(*weapons) : 0, equipped_type, equipped);
}
inline flatbuffers::Offset<Monster> CreateMonster(flatbuffers::FlatBufferBuilder &_fbb, const MonsterT *_o);
inline flatbuffers::Offset<Monster> CreateMonster(flatbuffers::FlatBufferBuilder &_fbb, const MonsterT *_o, const flatbuffers::rehasher_function_t *rehasher = nullptr);
struct WeaponT : public flatbuffers::NativeTable {
std::string name;
@@ -224,7 +224,7 @@ struct Weapon FLATBUFFERS_FINAL_CLASS : private flatbuffers::Table {
VerifyField<int16_t>(verifier, VT_DAMAGE) &&
verifier.EndTable();
}
std::unique_ptr<WeaponT> UnPack() const;
std::unique_ptr<WeaponT> UnPack(const flatbuffers::resolver_function_t *resolver = nullptr) const;
};
struct WeaponBuilder {
@@ -255,9 +255,9 @@ inline flatbuffers::Offset<Weapon> CreateWeaponDirect(flatbuffers::FlatBufferBui
return CreateWeapon(_fbb, name ? _fbb.CreateString(name) : 0, damage);
}
inline flatbuffers::Offset<Weapon> CreateWeapon(flatbuffers::FlatBufferBuilder &_fbb, const WeaponT *_o);
inline flatbuffers::Offset<Weapon> CreateWeapon(flatbuffers::FlatBufferBuilder &_fbb, const WeaponT *_o, const flatbuffers::rehasher_function_t *rehasher = nullptr);
inline std::unique_ptr<MonsterT> Monster::UnPack() const {
inline std::unique_ptr<MonsterT> Monster::UnPack(const flatbuffers::resolver_function_t *resolver) const {
auto _o = new MonsterT();
{ auto _e = pos(); if (_e) _o->pos = std::unique_ptr<Vec3>(new Vec3(*_e)); };
{ auto _e = mana(); _o->mana = _e; };
@@ -265,13 +265,13 @@ inline std::unique_ptr<MonsterT> Monster::UnPack() const {
{ auto _e = name(); if (_e) _o->name = _e->str(); };
{ auto _e = inventory(); if (_e) { for (flatbuffers::uoffset_t _i = 0; _i < _e->size(); _i++) { _o->inventory.push_back(_e->Get(_i)); } } };
{ auto _e = color(); _o->color = _e; };
{ auto _e = weapons(); if (_e) { for (flatbuffers::uoffset_t _i = 0; _i < _e->size(); _i++) { _o->weapons.push_back(_e->Get(_i)->UnPack()); } } };
{ auto _e = weapons(); if (_e) { for (flatbuffers::uoffset_t _i = 0; _i < _e->size(); _i++) { _o->weapons.push_back(_e->Get(_i)->UnPack(resolver)); } } };
{ auto _e = equipped_type(); _o->equipped.type = _e; };
{ auto _e = equipped(); if (_e) _o->equipped.table = EquipmentUnion::UnPack(_e, equipped_type()); };
{ auto _e = equipped(); if (_e) _o->equipped.table = EquipmentUnion::UnPack(_e, equipped_type(), resolver); };
return std::unique_ptr<MonsterT>(_o);
}
inline flatbuffers::Offset<Monster> CreateMonster(flatbuffers::FlatBufferBuilder &_fbb, const MonsterT *_o) {
inline flatbuffers::Offset<Monster> CreateMonster(flatbuffers::FlatBufferBuilder &_fbb, const MonsterT *_o, const flatbuffers::rehasher_function_t *rehasher) {
return CreateMonster(_fbb,
_o->pos ? _o->pos.get() : 0,
_o->mana,
@@ -279,19 +279,19 @@ inline flatbuffers::Offset<Monster> CreateMonster(flatbuffers::FlatBufferBuilder
_o->name.size() ? _fbb.CreateString(_o->name) : 0,
_o->inventory.size() ? _fbb.CreateVector(_o->inventory) : 0,
_o->color,
_o->weapons.size() ? _fbb.CreateVector<flatbuffers::Offset<Weapon>>(_o->weapons.size(), [&](size_t i) { return CreateWeapon(_fbb, _o->weapons[i].get()); }) : 0,
_o->weapons.size() ? _fbb.CreateVector<flatbuffers::Offset<Weapon>>(_o->weapons.size(), [&](size_t i) { return CreateWeapon(_fbb, _o->weapons[i].get(), rehasher); }) : 0,
_o->equipped.type,
_o->equipped.Pack(_fbb));
}
inline std::unique_ptr<WeaponT> Weapon::UnPack() const {
inline std::unique_ptr<WeaponT> Weapon::UnPack(const flatbuffers::resolver_function_t *resolver) const {
auto _o = new WeaponT();
{ auto _e = name(); if (_e) _o->name = _e->str(); };
{ auto _e = damage(); _o->damage = _e; };
return std::unique_ptr<WeaponT>(_o);
}
inline flatbuffers::Offset<Weapon> CreateWeapon(flatbuffers::FlatBufferBuilder &_fbb, const WeaponT *_o) {
inline flatbuffers::Offset<Weapon> CreateWeapon(flatbuffers::FlatBufferBuilder &_fbb, const WeaponT *_o, const flatbuffers::rehasher_function_t *rehasher) {
return CreateWeapon(_fbb,
_o->name.size() ? _fbb.CreateString(_o->name) : 0,
_o->damage);
@@ -305,18 +305,18 @@ inline bool VerifyEquipment(flatbuffers::Verifier &verifier, const void *union_o
}
}
inline flatbuffers::NativeTable *EquipmentUnion::UnPack(const void *union_obj, Equipment type) {
inline flatbuffers::NativeTable *EquipmentUnion::UnPack(const void *union_obj, Equipment type, const flatbuffers::resolver_function_t *resolver) {
switch (type) {
case Equipment_NONE: return nullptr;
case Equipment_Weapon: return reinterpret_cast<const Weapon *>(union_obj)->UnPack().release();
case Equipment_Weapon: return reinterpret_cast<const Weapon *>(union_obj)->UnPack(resolver).release();
default: return nullptr;
}
}
inline flatbuffers::Offset<void> EquipmentUnion::Pack(flatbuffers::FlatBufferBuilder &_fbb) const {
inline flatbuffers::Offset<void> EquipmentUnion::Pack(flatbuffers::FlatBufferBuilder &_fbb, const flatbuffers::rehasher_function_t *rehasher) const {
switch (type) {
case Equipment_NONE: return 0;
case Equipment_Weapon: return CreateWeapon(_fbb, reinterpret_cast<const WeaponT *>(table)).Union();
case Equipment_Weapon: return CreateWeapon(_fbb, reinterpret_cast<const WeaponT *>(table), rehasher).Union();
default: return 0;
}
}