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This commit is contained in:
aozhiwei 2019-03-26 15:25:36 +08:00
parent fad58e9707
commit 1da2c3aac5
2 changed files with 148 additions and 0 deletions
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130
cpp/utils.cc
View File

@ -80,6 +80,136 @@ namespace f8
return true; return true;
} }
static bool JsonToMessage(a8::XObject& jsonobj, google::protobuf::Message* msg)
{
const google::protobuf::Descriptor* descriptor = msg->GetDescriptor();
const google::protobuf::Reflection* reflection = msg->GetReflection();
for (int i = 0; i < descriptor->field_count(); ++i) {
const google::protobuf::FieldDescriptor* field_desc = descriptor->field(i);
const std::string& field_name = field_desc->name();
if (field_name.empty() || field_name[0] == '_') {
continue;
}
if (field_desc->is_repeated()) {
std::shared_ptr<a8::XObject> repeated_field = jsonobj.At(field_name);
for (int i = 0; i < repeated_field->Size(); ++i) {
auto field_value = repeated_field->At(i);
switch (field_desc->cpp_type()) {
case google::protobuf::FieldDescriptor::CPPTYPE_STRING:
{
reflection->AddString(msg, field_desc, field_value->AsXValue());
}
break;
case google::protobuf::FieldDescriptor::CPPTYPE_INT32:
{
reflection->AddInt32(msg, field_desc, field_value->AsXValue());
}
break;
case google::protobuf::FieldDescriptor::CPPTYPE_UINT32:
{
reflection->AddUInt32(msg, field_desc, field_value->AsXValue());
}
break;
case google::protobuf::FieldDescriptor::CPPTYPE_INT64:
{
reflection->AddInt64(msg, field_desc, field_value->AsXValue());
}
break;
case google::protobuf::FieldDescriptor::CPPTYPE_UINT64:
{
reflection->AddUInt64(msg, field_desc, field_value->AsXValue());
}
break;
case google::protobuf::FieldDescriptor::CPPTYPE_FLOAT:
{
reflection->AddFloat(msg, field_desc, (double)field_value->AsXValue());
}
break;
case google::protobuf::FieldDescriptor::CPPTYPE_DOUBLE:
{
reflection->AddDouble(msg, field_desc, field_value->AsXValue());
}
break;
case google::protobuf::FieldDescriptor::CPPTYPE_MESSAGE:
{
google::protobuf::Message* p = reflection->AddMessage(msg, field_desc);
JsonToMessage(*field_value, p);
}
break;
default:
{
abort();
}
break;
}//end switch
}
} else {
switch (field_desc->cpp_type()) {
case google::protobuf::FieldDescriptor::CPPTYPE_STRING:
{
reflection->SetString(msg, field_desc, jsonobj.At(field_name)->AsXValue());
}
break;
case google::protobuf::FieldDescriptor::CPPTYPE_INT32:
{
reflection->SetInt32(msg, field_desc, jsonobj.At(field_name)->AsXValue()); }
break;
case google::protobuf::FieldDescriptor::CPPTYPE_UINT32:
{
reflection->SetUInt32(msg, field_desc, jsonobj.At(field_name)->AsXValue());
}
break;
case google::protobuf::FieldDescriptor::CPPTYPE_INT64:
{
reflection->SetInt64(msg, field_desc, jsonobj.At(field_name)->AsXValue());
}
break;
case google::protobuf::FieldDescriptor::CPPTYPE_UINT64:
{
reflection->SetUInt64(msg, field_desc, jsonobj.At(field_name)->AsXValue());
}
break;
case google::protobuf::FieldDescriptor::CPPTYPE_FLOAT:
{
reflection->SetFloat(msg, field_desc, (double)jsonobj.At(field_name)->AsXValue());
}
break;
case google::protobuf::FieldDescriptor::CPPTYPE_DOUBLE:
{
reflection->SetDouble(msg, field_desc, jsonobj.At(field_name)->AsXValue());
}
break;
case google::protobuf::FieldDescriptor::CPPTYPE_MESSAGE:
{
google::protobuf::Message* p = reflection->MutableMessage(msg, field_desc);
JsonToMessage(*jsonobj.At(field_name), p);
}
break;
default:
{
abort();
}
break;
}//end switch
}
}
return true;
}
bool ReadJsonMetaFile(const std::string& filename,
google::protobuf::Message* prototype,
std::function<void (google::protobuf::Message*)> push_back_func)
{
a8::XObject json_reader;
json_reader.ReadFromJsonFile(filename);
google::protobuf::Message* msg = prototype->New();
JsonToMessage(json_reader, msg);
push_back_func(msg);
return false;
}
void InitMysqlConnection(a8::mysql::Query* query) void InitMysqlConnection(a8::mysql::Query* query)
{ {
a8::UdpLog::Instance()->Info("show variables like 'character%';", {}); a8::UdpLog::Instance()->Info("show variables like 'character%';", {});

18
cpp/utils.h
View File

@ -38,6 +38,24 @@ namespace f8
}); });
} }
bool ReadJsonMetaFile(const std::string& filename,
google::protobuf::Message* prototype,
std::function<void (google::protobuf::Message*)> push_back_func);
template <typename T>
bool ReadJsonMetaFile(const std::string& filename, std::list<T>& meta_list)
{
T dummy;
return ReadJsonMetaFile(filename,
&dummy,
[&meta_list] (google::protobuf::Message* msg)
{
T t;
t.CopyFrom(*msg);
meta_list.emplace_back(t);
});
}
template <typename T1, template <typename T1,
typename T2> typename T2>
static void RepeatedFieldToVector(const T1& t1, T2& t2) static void RepeatedFieldToVector(const T1& t1, T2& t2)