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This commit is contained in:
aozhiwei 2022-12-22 09:10:47 +08:00
parent 801ee99ec3
commit 458a24b4c6
1 changed files with 62 additions and 0 deletions
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62
f8/utils.h
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@ -1,5 +1,9 @@
#pragma once
#include <a8/reflect.h>
#include <a8/stringlist.h>
#include <a8/csvreader.h>
namespace google
{
namespace protobuf
@ -44,6 +48,64 @@ namespace f8
});
}
template <typename T>
bool ReadCsvMetaFile(const std::string& filename, std::vector<T*>& meta_list)
{
T dummy;
a8::reflect::Class* cls = dummy.GetClass();
a8::CsvReader reader;
reader.Load(filename);
while (reader.NextLine()) {
a8::reflect::Field* fields = cls->GetDeclaredFields();
for (int i = 0; i < cls->FieldNum(); ++i) {
a8::reflect::Field& field = fields[i];
if (field.subtype != a8::reflect::EST_SIMPLE) {
abort();
}
T* obj = new T();
void* p = (void*)obj + field.offset;
switch (field.type) {
case a8::reflect::ET_INT32:
{
*((int*)p) = reader.GetValue(field.field_name);
}
break;
case a8::reflect::ET_UINT32:
{
*((unsigned int*)p) = reader.GetValue(field.field_name);
}
break;
case a8::reflect::ET_INT64:
{
*((long long*)p) = reader.GetValue(field.field_name);
}
break;
case a8::reflect::ET_FLOAT:
{
*((float*)p) = reader.GetValue(field.field_name);
}
break;
case a8::reflect::ET_DOUBLE:
{
*((double*)p) = reader.GetValue(field.field_name);
}
break;
case a8::reflect::ET_STRING:
{
*((std::string*)p) = reader.GetValue(field.field_name).GetString();
}
break;
default:
{
abort();
}
}
meta_list.push_back(obj);
}
}
}
bool ReadJsonMetaFile(const std::string& filename,
google::protobuf::Message* prototype,
std::function<void (google::protobuf::Message*)> push_back_func);