| 69 | } |
| 70 | |
| 71 | bool ReferableReader::tryToRepeat(DataWriter& writer, UInt64 reference) { |
| 72 | if (reference == 0) { |
| 73 | ERROR(typeid(*this).name()," reference can't be null"); |
| 74 | writer.writeNull(); |
| 75 | return true; |
| 76 | } |
| 77 | auto it(_references.find(reference)); |
| 78 | if (it == _references.end()) |
| 79 | return false; |
| 80 | if (it->second.value > 0 && writer.repeat(it->second.value)) |
| 81 | return true; |
| 82 | if (it->second.level) { |
| 83 | ERROR("Impossible to repeat ",typeid(*this).name()," reference, ", typeid(writer).name(), " doesn't support fully cyclic referencing") |
| 84 | writer.writeNull(); |
| 85 | return true; |
| 86 | } |
| 87 | return false; |
| 88 | } |
| 89 | |
| 90 | bool ReferableReader::writeReference(DataWriter& writer, UInt64 reference) { |
| 91 | if (reference == 0) { |