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QAD 1.7.0

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backport PIChunkStream optimizations to ChunkStream
This commit is contained in:
Пелипенко Иван
2020-08-14 14:18:20 +03:00
parent 055b8a9480
commit d6cc5f0033
2 changed files with 31 additions and 3 deletions
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32
qad/utils/chunkstream.h
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@@ -46,9 +46,15 @@ public:
int id;
T data;
};
template <typename T> static Chunk<T> chunk(int id, const T & data) {return Chunk<T>(id, data);}
template <typename T>
struct ChunkConst {
ChunkConst(int i, const T & d): id(i), data(d) {}
int id;
const T & data;
};
template <typename T> static ChunkConst<T> chunk(int id, const T & data) {return ChunkConst<T>(id, data);}
template <typename T> ChunkStream & add(int id, const T & data) {*this << Chunk<T>(id, data); return *this;}
template <typename T> ChunkStream & add(int id, const T & data) {*this << ChunkConst<T>(id, data); return *this;}
void setSource(const QByteArray & data);
void setSource(QDataStream & str);
@@ -88,6 +94,7 @@ private:
QMap<int, QByteArray> data_map;
template <typename T> friend ChunkStream & operator <<(ChunkStream & s, const ChunkStream::Chunk<T> & c);
template <typename T> friend ChunkStream & operator <<(ChunkStream & s, const ChunkStream::ChunkConst<T> & c);
};
template <typename T>
@@ -111,5 +118,26 @@ ChunkStream & operator <<(ChunkStream & s, const ChunkStream::Chunk<T> & c) {
}
return s;
}
template <typename T>
ChunkStream & operator <<(ChunkStream & s, const ChunkStream::ChunkConst<T> & c) {
QByteArray ba;
QDataStream bas(&ba, QIODevice::WriteOnly);
bas.setVersion(QDataStream::Qt_4_8);
bas << c.data;
switch (s.version_) {
case ChunkStream::Version_1:
s.stream_ << c.id << ba;
break;
case ChunkStream::Version_2:
if (s.data_->isEmpty())
s.stream_ << uchar(uchar(s.version_) | 0x80);
ChunkStream::writeVInt(s.stream_, c.id);
ChunkStream::writeVInt(s.stream_, ba.size());
s.stream_.writeRawData(ba.data(), ba.size());
break;
default: break;
}
return s;
}
#endif // CHUNKSTREAM_H