BigfootDev/flatbuffers
1
0
Fork 1
mirror of https://github.com/google/flatbuffers.git synced 2026-06-10 07:06:26 +00:00
Code Issues Packages Projects Releases Wiki Activity

Added optional object based API for C++.

Browse Source 
Change-Id: If927f3ea3fb3723088fa287f24bdd1ad43c8d1d1
Tested: on Linux.
This commit is contained in:
Wouter van Oortmerssen
2016-07-01 18:08:51 -07:00
parent b22db6e8eb
commit 3101e327c0
16 changed files with 838 additions and 33 deletions
Download Patch File Download Diff File Expand all files Collapse all files

104
samples/monster_generated.h
View File

@@ -11,8 +11,10 @@ namespace Sample {
struct Vec3;
struct Monster;
struct MonsterT;
struct Weapon;
struct WeaponT;
enum Color {
Color_Red = 0,
@@ -36,6 +38,21 @@ enum Equipment {
Equipment_MAX = Equipment_Weapon
};
struct EquipmentUnion {
Equipment type;
flatbuffers::NativeTable *table;
EquipmentUnion() : type(Equipment_NONE), table(nullptr) {}
EquipmentUnion(const EquipmentUnion &);
EquipmentUnion &operator=(const EquipmentUnion &);
~EquipmentUnion();
static flatbuffers::NativeTable *UnPack(const void *union_obj, Equipment type);
flatbuffers::Offset<void> Pack(flatbuffers::FlatBufferBuilder &_fbb) const;
WeaponT *AsWeapon() { return type == Equipment_Weapon ? reinterpret_cast<WeaponT *>(table) : nullptr; }
};
inline const char **EnumNamesEquipment() {
static const char *names[] = { "NONE", "Weapon", nullptr };
return names;
@@ -52,6 +69,8 @@ MANUALLY_ALIGNED_STRUCT(4) Vec3 FLATBUFFERS_FINAL_CLASS {
float z_;
public:
Vec3() { memset(this, 0, sizeof(Vec3)); }
Vec3(const Vec3 &_o) { memcpy(this, &_o, sizeof(Vec3)); }
Vec3(float _x, float _y, float _z)
: x_(flatbuffers::EndianScalar(_x)), y_(flatbuffers::EndianScalar(_y)), z_(flatbuffers::EndianScalar(_z)) { }
@@ -64,6 +83,17 @@ MANUALLY_ALIGNED_STRUCT(4) Vec3 FLATBUFFERS_FINAL_CLASS {
};
STRUCT_END(Vec3, 12);
struct MonsterT : public flatbuffers::NativeTable {
std::unique_ptr<Vec3> pos;
int16_t mana;
int16_t hp;
std::string name;
std::vector<uint8_t> inventory;
Color color;
std::vector<std::unique_ptr<WeaponT>> weapons;
EquipmentUnion equipped;
};
struct Monster FLATBUFFERS_FINAL_CLASS : private flatbuffers::Table {
enum {
VT_POS = 4,
@@ -112,6 +142,7 @@ struct Monster FLATBUFFERS_FINAL_CLASS : private flatbuffers::Table {
VerifyEquipment(verifier, equipped(), equipped_type()) &&
verifier.EndTable();
}
std::unique_ptr<MonsterT> UnPack() const;
};
struct MonsterBuilder {
@@ -170,6 +201,13 @@ inline flatbuffers::Offset<Monster> CreateMonster(flatbuffers::FlatBufferBuilder
return CreateMonster(_fbb, pos, mana, hp, name ? 0 : _fbb.CreateString(name), inventory ? 0 : _fbb.CreateVector<uint8_t>(*inventory), color, weapons ? 0 : _fbb.CreateVector<flatbuffers::Offset<Weapon>>(*weapons), equipped_type, equipped);
}
inline flatbuffers::Offset<Monster> CreateMonster(flatbuffers::FlatBufferBuilder &_fbb, const MonsterT *_o);
struct WeaponT : public flatbuffers::NativeTable {
std::string name;
int16_t damage;
};
struct Weapon FLATBUFFERS_FINAL_CLASS : private flatbuffers::Table {
enum {
VT_NAME = 4,
@@ -186,6 +224,7 @@ struct Weapon FLATBUFFERS_FINAL_CLASS : private flatbuffers::Table {
VerifyField<int16_t>(verifier, VT_DAMAGE) &&
verifier.EndTable();
}
std::unique_ptr<WeaponT> UnPack() const;
};
struct WeaponBuilder {
@@ -216,6 +255,48 @@ inline flatbuffers::Offset<Weapon> CreateWeapon(flatbuffers::FlatBufferBuilder &
return CreateWeapon(_fbb, name ? 0 : _fbb.CreateString(name), damage);
}
inline flatbuffers::Offset<Weapon> CreateWeapon(flatbuffers::FlatBufferBuilder &_fbb, const WeaponT *_o);
inline std::unique_ptr<MonsterT> Monster::UnPack() 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; };
{ auto _e = hp(); _o->hp = _e; };
{ auto _e = name(); if (_e) _o->name = _e->str(); };
{ auto _e = inventory(); if (_e) { for (size_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 (size_t _i = 0; _i < _e->size(); _i++) { _o->weapons.push_back(_e->Get(_i)->UnPack()); } } };
{ auto _e = equipped_type(); _o->equipped.type = _e; };
{ auto _e = equipped(); if (_e) _o->equipped.table = EquipmentUnion::UnPack(_e, equipped_type()); };
return std::unique_ptr<MonsterT>(_o);
}
inline flatbuffers::Offset<Monster> CreateMonster(flatbuffers::FlatBufferBuilder &_fbb, const MonsterT *_o) {
return CreateMonster(_fbb,
_o->pos ? _o->pos.get() : 0,
_o->mana,
_o->hp,
_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->equipped.type,
_o->equipped.Pack(_fbb));
}
inline std::unique_ptr<WeaponT> Weapon::UnPack() 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) {
return CreateWeapon(_fbb,
_o->name.size() ? _fbb.CreateString(_o->name) : 0,
_o->damage);
}
inline bool VerifyEquipment(flatbuffers::Verifier &verifier, const void *union_obj, Equipment type) {
switch (type) {
case Equipment_NONE: return true;
@@ -224,6 +305,29 @@ inline bool VerifyEquipment(flatbuffers::Verifier &verifier, const void *union_o
}
}
inline flatbuffers::NativeTable *EquipmentUnion::UnPack(const void *union_obj, Equipment type) {
switch (type) {
case Equipment_NONE: return nullptr;
case Equipment_Weapon: return reinterpret_cast<const Weapon *>(union_obj)->UnPack().release();
default: return nullptr;
}
}
inline flatbuffers::Offset<void> EquipmentUnion::Pack(flatbuffers::FlatBufferBuilder &_fbb) const {
switch (type) {
case Equipment_NONE: return 0;
case Equipment_Weapon: return CreateWeapon(_fbb, reinterpret_cast<const WeaponT *>(table)).Union();
default: return 0;
}
}
inline EquipmentUnion::~EquipmentUnion() {
switch (type) {
case Equipment_Weapon: delete reinterpret_cast<WeaponT *>(table); break;
default:;
}
}
inline const MyGame::Sample::Monster *GetMonster(const void *buf) { return flatbuffers::GetRoot<MyGame::Sample::Monster>(buf); }
inline Monster *GetMutableMonster(void *buf) { return flatbuffers::GetMutableRoot<Monster>(buf); }