//! Constructor to create a snapshot from a given file
CSnapshot(const Ogre::String &sValidPath) {
m_XMLDoc.LoadFile(sValidPath.c_str());
if (m_XMLDoc.Error()) {
throw Ogre::Exception(Ogre::Exception::ERR_FILE_NOT_FOUND,
"XMLdoc parsing error with file: " + sValidPath,
__FILE__);
}
// read the document
readDocument();
}
/** Unfortunately, TinyXML2 does not provide good ways of reporting XML parsing
* errors. We could try to use GetErrorStr1() and GetErrorStr2(), but those
* just return pointers to parts of the document, and it is not OK to print
* parts of the document without carefully escaping special characters in it,
* which is probably not worthwhile. */
static void throwIfError(const tinyxml2::XMLDocument & doc)
{
if(!doc.Error()) { return; }
std::string msg("XML error.");
// doc.ErrorName is not available in Ubuntu's libtinyxml2-dev/trusty-backports package
// (2.1.0). But it would be nice to use it eventually once everyone has upgraded:
// std::string msg("XML error: ");
// msg += doc.ErrorName();
// msg += ".";
throw std::runtime_error(msg);
}
CSnapshot(const void *pointer, const size_t size) {
memcpy(&m_eCurrentGameState, pointer, sizeof(CGameState::EGameStates));
char *pChar = new char[size];
memcpy(pChar, static_cast<const CGameState::EGameStates*>(pointer) + 1, size - sizeof(CGameState::EGameStates));
m_XMLDoc.Parse(pChar);
if (m_XMLDoc.Error()) {
throw Ogre::Exception(Ogre::Exception::ERR_FILE_NOT_FOUND, "Save state xml document cout not be parsed. Error code"
+ Ogre::StringConverter::toString(m_XMLDoc.ErrorID())
+ " File content:\n" + Ogre::String(pChar), __FILE__);
}
delete [] pChar;
// read the document
readDocument();
}