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VIP tutorial on Version extension

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Mindaugas Vinkelis
2020-02-02 20:03:21 +02:00
parent d24dfe14f5
commit 541632fa9e
17 changed files with 148 additions and 113 deletions
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18
examples/smart_pointers_with_polymorphism.cpp
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@@ -181,23 +181,21 @@ namespace bitsery {
// also it automatically ensures, that classes is registered in the same order for serialization and deserialization
using MyPolymorphicClassesForRegistering = bitsery::ext::PolymorphicClassesList<Shape>;
//use bitsery namespace for convenience
using namespace bitsery;
//some helper types
using Buffer = std::vector<uint8_t>;
using Writer = OutputBufferAdapter<Buffer>;
using Reader = InputBufferAdapter<Buffer>;
using Writer = bitsery::OutputBufferAdapter<Buffer>;
using Reader = bitsery::InputBufferAdapter<Buffer>;
//we need to define few things in order to work with polymorphism
//1) we need pointer linking context to work with pointers
//2) we need polymorphic context to be able to work with polymorphic types
using TContext = std::tuple<ext::PointerLinkingContext, ext::PolymorphicContext<ext::StandardRTTI>>;
using TContext = std::tuple<
bitsery::ext::PointerLinkingContext,
bitsery::ext::PolymorphicContext<bitsery::ext::StandardRTTI>>;
//NOTE:
// RTTI can be customizable, if you can't use dynamic_cast and typeid, and have 'custom' solution
using MySerializer = Serializer<Writer, TContext>;
using MyDeserializer = Deserializer<Reader, TContext>;
using MySerializer = bitsery::Serializer<Writer, TContext>;
using MyDeserializer = bitsery::Deserializer<Reader, TContext>;
//checks if deserialized data is equal
void assertSameShapes(const SomeShapes &data, const SomeShapes &res) {
@@ -257,7 +255,7 @@ int main() {
//deserialize our data
MyDeserializer des{ctx, buffer.begin(), writtenSize};
des.object(res);
assert(des.adapter().error() == ReaderError::NoError && des.adapter().isCompletedSuccessfully());
assert(des.adapter().error() == bitsery::ReaderError::NoError && des.adapter().isCompletedSuccessfully());
//also check for dangling pointers, after deserialization
assert(std::get<0>(ctx).isValid());
// clear shared state from pointer linking context,