raze-gles/source/common/engine/serializer_internal.h

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const char* UnicodeToString(const char* cc);
const char* StringToUnicode(const char* cc, int size = -1);
//==========================================================================
//
//
//
//==========================================================================
struct FJSONObject
{
rapidjson::Value* mObject;
rapidjson::Value::MemberIterator mIterator;
int mIndex;
FJSONObject(rapidjson::Value* v)
{
mObject = v;
if (v->IsObject()) mIterator = v->MemberBegin();
else if (v->IsArray())
{
mIndex = 0;
}
}
};
//==========================================================================
//
// some wrapper stuff to keep the RapidJSON dependencies out of the global headers.
// FSerializer should not expose any of this, although it is needed by special serializers.
//
//==========================================================================
struct FWriter
{
typedef rapidjson::Writer<rapidjson::StringBuffer, rapidjson::UTF8<> > Writer;
typedef rapidjson::PrettyWriter<rapidjson::StringBuffer, rapidjson::UTF8<> > PrettyWriter;
Writer *mWriter1;
PrettyWriter *mWriter2;
TArray<bool> mInObject;
rapidjson::StringBuffer mOutString;
TArray<DObject *> mDObjects;
TMap<DObject *, int> mObjectMap;
FWriter(bool pretty)
{
if (!pretty)
{
mWriter1 = new Writer(mOutString);
mWriter2 = nullptr;
}
else
{
mWriter1 = nullptr;
mWriter2 = new PrettyWriter(mOutString);
}
}
~FWriter()
{
if (mWriter1) delete mWriter1;
if (mWriter2) delete mWriter2;
}
bool inObject() const
{
return mInObject.Size() > 0 && mInObject.Last();
}
void StartObject()
{
if (mWriter1) mWriter1->StartObject();
else if (mWriter2) mWriter2->StartObject();
}
void EndObject()
{
if (mWriter1) mWriter1->EndObject();
else if (mWriter2) mWriter2->EndObject();
}
void StartArray()
{
if (mWriter1) mWriter1->StartArray();
else if (mWriter2) mWriter2->StartArray();
}
void EndArray()
{
if (mWriter1) mWriter1->EndArray();
else if (mWriter2) mWriter2->EndArray();
}
void Key(const char *k)
{
if (mWriter1) mWriter1->Key(k);
else if (mWriter2) mWriter2->Key(k);
}
void Null()
{
if (mWriter1) mWriter1->Null();
else if (mWriter2) mWriter2->Null();
}
void StringU(const char *k, bool encode)
{
if (encode) k = StringToUnicode(k);
if (mWriter1) mWriter1->String(k);
else if (mWriter2) mWriter2->String(k);
}
void String(const char *k)
{
k = StringToUnicode(k);
if (mWriter1) mWriter1->String(k);
else if (mWriter2) mWriter2->String(k);
}
void String(const char *k, int size)
{
k = StringToUnicode(k, size);
if (mWriter1) mWriter1->String(k);
else if (mWriter2) mWriter2->String(k);
}
void Bool(bool k)
{
if (mWriter1) mWriter1->Bool(k);
else if (mWriter2) mWriter2->Bool(k);
}
void Int(int32_t k)
{
if (mWriter1) mWriter1->Int(k);
else if (mWriter2) mWriter2->Int(k);
}
void Int64(int64_t k)
{
if (mWriter1) mWriter1->Int64(k);
else if (mWriter2) mWriter2->Int64(k);
}
void Uint(uint32_t k)
{
if (mWriter1) mWriter1->Uint(k);
else if (mWriter2) mWriter2->Uint(k);
}
void Uint64(int64_t k)
{
if (mWriter1) mWriter1->Uint64(k);
else if (mWriter2) mWriter2->Uint64(k);
}
void Double(double k)
{
if (mWriter1)
{
mWriter1->Double(k);
}
else if (mWriter2)
{
mWriter2->Double(k);
}
}
};
//==========================================================================
//
//
//
//==========================================================================
struct FReader
{
TArray<FJSONObject> mObjects;
rapidjson::Document mDoc;
TArray<DObject *> mDObjects;
rapidjson::Value *mKeyValue = nullptr;
bool mObjectsRead = false;
FReader(const char *buffer, size_t length)
{
mDoc.Parse(buffer, length);
mObjects.Push(FJSONObject(&mDoc));
}
rapidjson::Value *FindKey(const char *key)
{
FJSONObject &obj = mObjects.Last();
if (obj.mObject->IsObject())
{
if (key == nullptr)
{
// we are performing an iteration of the object through GetKey.
auto p = mKeyValue;
mKeyValue = nullptr;
return p;
}
else
{
// Find the given key by name;
auto it = obj.mObject->FindMember(key);
if (it == obj.mObject->MemberEnd()) return nullptr;
return &it->value;
}
}
else if (obj.mObject->IsArray() && (unsigned)obj.mIndex < obj.mObject->Size())
{
return &(*obj.mObject)[obj.mIndex++];
}
return nullptr;
}
};
//==========================================================================
//
//
//
//==========================================================================
template<class T>
FSerializer &SerializePointer(FSerializer &arc, const char *key, T *&value, T **defval, T *base)
{
assert(base != nullptr);
if (arc.isReading() || !arc.w->inObject() || defval == nullptr || value != *defval)
{
int64_t vv = value == nullptr ? -1 : value - base;
Serialize(arc, key, vv, nullptr);
value = vv < 0 ? nullptr : base + vv;
}
return arc;
}