result_t Message::decode(SymbolString& masterData, SymbolString& slaveData,
ostringstream& output, OutputFormat outputFormat,
bool leadingSeparator)
{
unsigned char offset = (unsigned char)(m_id.size() - 2);
size_t startPos = output.str().length();
result_t result = m_data->read(pt_masterData, masterData, offset, output, outputFormat, leadingSeparator, NULL, -1);
if (result < RESULT_OK)
return result;
bool empty = result == RESULT_EMPTY;
offset = 0;
leadingSeparator |= output.str().length() > startPos;
result = m_data->read(pt_slaveData, slaveData, offset, output, outputFormat, leadingSeparator, NULL, -1);
if (result < RESULT_OK)
return result;
if (result == RESULT_EMPTY && !empty)
result = RESULT_OK; // OK if at least one part was non-empty
time(&m_lastUpdateTime);
switch (masterData.compareMaster(m_lastMasterData)) {
case 1: // completely different
m_lastChangeTime = m_lastUpdateTime;
m_lastMasterData = masterData;
break;
case 2: // only master address is different
m_lastMasterData = masterData;
break;
}
if (slaveData != m_lastSlaveData) {
m_lastChangeTime = m_lastUpdateTime;
m_lastSlaveData = slaveData;
}
return result;
}
result_t Message::decode(const PartType partType, SymbolString& data,
ostringstream& output, OutputFormat outputFormat,
bool leadingSeparator, const char* fieldName, signed char fieldIndex)
{
unsigned char offset;
if (partType == pt_masterData)
offset = (unsigned char)(m_id.size() - 2);
else
offset = 0;
result_t result = m_data->read(partType, data, offset, output, outputFormat, leadingSeparator, fieldName, fieldIndex);
if (result < RESULT_OK)
return result;
if (result == RESULT_EMPTY && fieldName != NULL)
return RESULT_ERR_NOTFOUND;
time(&m_lastUpdateTime);
if (partType == pt_masterData) {
switch (data.compareMaster(m_lastMasterData)) {
case 1: // completely different
m_lastChangeTime = m_lastUpdateTime;
m_lastMasterData = data;
break;
case 2: // only master address is different
m_lastMasterData = data;
break;
}
} else if (partType == pt_slaveData) {
if (data != m_lastSlaveData) {
m_lastChangeTime = m_lastUpdateTime;
m_lastSlaveData = data;
}
}
return result;
}
