示例#1
0
 bool has_members(std::set<std::string> members_,
                  const rapidjson::GenericValue<Encoding, Allocator>& v_)
 {
   if (v_.IsObject())
   {
     for (auto i = v_.MemberBegin(), e = v_.MemberEnd(); i != e; ++i)
     {
       const auto& name = i->name;
       if (name.IsString())
       {
         const auto m = members_.find(
             std::string(name.GetString(), name.GetStringLength()));
         if (m != members_.end())
         {
           members_.erase(m);
           if (members_.empty())
           {
             return true;
           }
         }
       }
     }
     return members_.empty();
   }
   return false;
 }
示例#2
0
 bool
 member_compare(const std::set<std::string>& members_,
                const rapidjson::GenericValue<Encoding, Allocator>& v_)
 {
   if (v_.IsObject())
   {
     decltype(members_.size()) n = 0;
     for (auto i = v_.MemberBegin(), e = v_.MemberEnd(); i != e; ++i)
     {
       const auto& name = i->name;
       if (!name.IsString() ||
           members_.find(
               std::string(name.GetString(), name.GetStringLength())) ==
               members_.end())
       {
         return false;
       }
       if (ExpectFullMatch)
       {
         ++n;
       }
     }
     return !ExpectFullMatch || n == members_.size();
   }
   else
   {
     return false;
   }
 }
示例#3
0
文件: page.cpp 项目: JIM-DB/Server
        size_t Page::insert(const rapidjson::GenericValue<rapidjson::UTF8<>>& value)
        {
            tasking::RWLockGuard<> lock(m_rwLock, tasking::WRITE);
            //here we know this page has one chunk big enough to fitt the whole object
            //including its overhead! so start inserting it.

            //get the object name
            std::string name = value.MemberBegin()->name.GetString();

            //returns the pos of the first element needed for the headerdata

            auto firstElementPos = insertObject(value.MemberBegin()->value, nullptr).first;
            auto l_first = dist(m_body, firstElementPos);

            //insert the header
            HeaderMetaData* meta = insertHeader(m_objCount++, 0, common::FNVHash()(name), l_first);
            if (meta == nullptr)
                LOG_DEBUG << "wm";
            //push the obj to obj index
            index::ObjectIndex::getInstance().add(meta->getOID(), index::ObjectIndexValue(this->m_id, dist(m_header, meta)));

            //done!
            return meta->getOID();
        }
示例#4
0
void JSObject::FillRecursive(const rapidjson::GenericValue<rapidjson::UTF8<wchar_t>> &val)
{
  using namespace rapidjson;
  /**/
  switch(val.GetType())
  {
  case kNullType:		//!< null
    value = JSValue();
    break;
  case kFalseType:		//!< false
    value = JSValue(false);
    break;
  case kTrueType:		//!< true
    value = JSValue(true);
    break;
  case kObjectType:	//!< object
    value.type = JSTypeObject;
    for(GenericValue<UTF8<wchar_t>>::ConstMemberIterator itr2 = val.MemberBegin(); itr2 != val.MemberEnd(); ++itr2)
    {
      children.push_back(std::make_pair(itr2->name.GetString(), JSObject()));
      children.back().second.FillRecursive(itr2->value);
    }
    break;
  case kArrayType:		//!< array 
    value.type = JSTypeObject;
    children.resize(val.Size());
    for(SizeType i = 0; i < val.Size(); i++)
    {
      children[i].second.FillRecursive(val[i]);
    }
    break;
  case kStringType:	//!< string
    value.str = val.GetString();
    value.type = JSTypeString;
    break;
  case kNumberType:	//!< number
    value = val.GetDouble();
    break;
  }

}
示例#5
0
文件: page.cpp 项目: JIM-DB/Server
        std::pair<void*, void*> Page::insertObject(const rapidjson::GenericValue<rapidjson::UTF8<>>& value,
                BaseType<size_t>* const last)
        {
            //return ptr to the first element
            void* l_ret = nullptr;
            //prev element ptr
            BaseType<size_t>* l_prev = last;

            //position pointer
            void* l_pos = nullptr;
            //get the members
            for (auto it = value.MemberBegin(); it != value.MemberEnd(); ++it)
            {
                switch (it->value.GetType())
                {
                    case rapidjson::kNullType:
                        LOG_WARN << "null type: " << it->name.GetString();
                        continue;

                    case rapidjson::kFalseType:
                    case rapidjson::kTrueType:
                        {
                            l_pos = find(sizeof(BoolTyp));

                            void* l_new = new (l_pos) BoolTyp(it->value.GetBool());

                            if (l_prev != nullptr)
                                l_prev->setNext(dist(l_prev, l_new));
                            //set the ret pointer
                            if (l_ret == nullptr)
                                l_ret = l_pos;
                        }
                        break;
                    case rapidjson::kObjectType:
                        {
                            //pos for the obj id
                            //and insert the ID of the obj
                            l_pos = find(sizeof(ObjHashTyp));
                            std::string name = it->name.GetString();
                            auto hash = common::FNVHash()(name);
                            void* l_new = new (l_pos) ObjHashTyp(hash);



                            if (l_prev != nullptr)
                                l_prev->setNext(dist(l_prev, l_new));

                            // pass the objid Object to the insertobj!
                            // now recursive insert the obj
                            // the second contains the last element inserted
                            // l_pos current contains the last inserted element and get set to the
                            // last element of the obj we insert
                            l_pos = insertObject(it->value, RC(SizeTType*, l_new)).second;

                            //set the ret pointer
                            if (l_ret == nullptr)
                                l_ret = l_new;
                        }
                        break;

                    case rapidjson::kArrayType:
                        {

                            //now insert values
                            l_pos = find(sizeof(ArrayType));

                            //insert the number of elements which follows
                            size_t l_size = it->value.Size();
                            void* l_new = new(l_pos) ArrayType(l_size);
                            //update prev
                            if (l_prev != nullptr)
                                l_prev->setNext(dist(l_prev, l_new));

                            //insert elements
                            l_pos = insertArray(it->value, SC(SizeTType*, l_new));

                            //set the ret pointer
                            if (l_ret == nullptr)
                                l_ret = l_new;

                        }
                        break;

                    case rapidjson::kStringType:
                        {
                            // find pos where the string fits
                            // somehow we get here sometimes and it does not fit!
                            // which cant be since we lock the whole page
                            l_pos = find(sizeof(StringType) + it->value.GetStringLength());

                            //add the String Type at the pos of the FreeType
                            auto* l_new = new (l_pos) StringType(it->value.GetString());
                            if (l_prev != nullptr)
                                l_prev->setNext(dist(l_prev, l_new));
                            //set the ret pointer
                            if (l_ret == nullptr)
                                l_ret = l_pos;
                        }
                        break;

                    case rapidjson::kNumberType:
                        {
                            //doesnt matter since long long and double are equal on
                            // x64
                            //find pos where the string fits
                            l_pos = find(sizeof(IntTyp));

                            void* l_new;
                            if (it->value.IsInt() || it->value.IsInt64())
                            {
                                //insert INT
                                l_new = new (l_pos) IntTyp(it->value.GetInt64());
                            }
                            else
                            {
                                //INSERT DOUBLE
                                l_new = new (l_pos) DoubleTyp(it->value.GetDouble());
                            }
                            if (l_prev != nullptr)
                                l_prev->setNext(dist(l_prev, l_new));

                            //set the ret pointer
                            if (l_ret == nullptr)
                                l_ret = l_pos;
                        }
                        break;
                    default:
                        LOG_WARN << "Unknown member Type: " << it->name.GetString() << ":" << it->value.GetType();
                        continue;
                }
                //prev is the l_pos now so cast it to this;
                l_prev = RC(SizeTType*, l_pos);
            }
            //if we get here its in!
            return{ l_ret, l_pos };
        }