bool ParseHelperFoo::StartElementHandler(XmlParseMaster::SharedData* data, std::string name, Hashmap<std::string, std::string>& attributes)
{
if (!data)
{
throw std::exception("Shared data is null");
}
if (data->Is("SharedDataFoo"))
{
SharedDataFoo* reinterpereted = reinterpret_cast<SharedDataFoo*>(data);
//Handle initializing the element itself
reinterpereted->IncrementDepth();
reinterpereted->mMap.Insert(std::pair<std::string, std::uint32_t>(name, 0xffffffff)); //Initialize to the max value of an unsigned int, indicating that the value hasn't been assigned yet
mElementStack.PushFront(name);//Put the current element into our stack
//Handle attributes
if (attributes.ContainsKey("name"))
{
reinterpereted->mName = (*(attributes.Find("name"))).second;
}
if (attributes.ContainsKey("style"))
{
reinterpereted->mStyle = (*(attributes.Find("style"))).second;
}
return true;
}
return false;
}
//Handle start elements
bool XMLParseHelperExpression::StartElementHandler(XmlParseMaster::SharedData* data, std::string name, Hashmap<std::string, std::string>& attributes)
{
/**
Requirements for starting a new expression action:
1. Shared data must be SharedDataWorld
2. Name of element must be 'action'
3. Must contain a 'class' attribute
4. Must contain a 'target' attribute
5. Must contain a 'name' attribute
6. Class type must be 'ActionExpression'
*/
SharedDataWorld* reinterpereted = data->As<SharedDataWorld>();
if (reinterpereted != nullptr && name == actionString && attributes.ContainsKey(classString) && attributes.ContainsKey(nameString))
{
if (attributes.Find(classString)->second == "ActionExpression")
{
//Ensure that we have either an actionList or an entity that is going to contain this new actionExpression
Scope* actionList = reinterpereted->GetAction();
Scope* entity = reinterpereted->GetEntity();
if (actionList != nullptr && actionList->Is("ActionList"))
{
//Create a new actionExpression with the factory from the actionlist
ActionExpression* newAction = actionList->As<ActionList>()->CreateAction("ActionExpression", attributes.Find(nameString)->second)->As<ActionExpression>();
reinterpereted->SetAction(newAction);
}
else if (entity != nullptr)
{
//Create a new actionExpression with the factory from the entity
ActionExpression* newAction = entity->As<Entity>()->CreateAction("ActionExpression", attributes.Find(nameString)->second)->As<ActionExpression>();
reinterpereted->SetAction(newAction);
}
else
{
return false;
}
reinterpereted->IncrementDepth();
return true;
}
}
return false;
}
bool XmlParseHelperTable::StartElementHandler(XmlParseMaster::SharedData& sharedData, const std::string& elementName, const Hashmap<std::string, std::string>& attributes)
{
SharedDataTable* sharedDataPtr = sharedData.As<SharedDataTable>();
if (sharedDataPtr == nullptr)
return false;
if (elementName != ELEMENT_SCOPE)
return false;
if (!attributes.ContainsKey(ATTRIBUTE_NAME))
throw std::exception("ClearScreen syntax for <scope>. Missing attribute: name");
if (!sharedDataPtr->CheckStateTransition(SharedDataTable::ParserState::SCOPE_START))
throw std::exception("ClearScreen script syntax");
bool transitionToStateRouter = sharedDataPtr->CheckStateTransition(SharedDataTable::ParserState::STATE_ROUTER);
UNREFERENCED_PARAMETER(transitionToStateRouter);
assert(transitionToStateRouter);
sharedDataPtr->CurrentScopePtr = &(sharedDataPtr->CurrentScopePtr->AppendScope(attributes[ATTRIBUTE_NAME]));
return true;
}
bool XmlParseHelperSector::StartElementHandler(XmlParseMaster::SharedData& sharedData, const std::string& elementName, const Hashmap<std::string, std::string>& attributes)
{
SharedDataTable* sharedDataPtr = sharedData.As<SharedDataTable>();
if (sharedDataPtr == nullptr)
return false;
if (elementName != ELEMENT_NAME)
return false;
if (!attributes.ContainsKey(ATTRIBUTE_NAME))
throw std::exception("ClearScreen syntax for <sector>. Missing attribute: name");
if (!sharedDataPtr->CheckStateTransition(SharedDataTable::ParserState::SECTOR_START))
throw std::exception("ClearScreen script syntax");
bool transitionToStateRouter = sharedDataPtr->CheckStateTransition(SharedDataTable::ParserState::STATE_ROUTER);
UNREFERENCED_PARAMETER(transitionToStateRouter);
assert(transitionToStateRouter);
assert(sharedDataPtr->CurrentScopePtr->Is(World::TypeIdClass()));
World* world = static_cast<World*>(sharedDataPtr->CurrentScopePtr);
sharedDataPtr->CurrentScopePtr = &(world->CreateSector(attributes[ATTRIBUTE_NAME]));
return true;
}
bool XmlParseHelperPrimitives::StartElementHandler(XmlParseMaster::SharedData& sharedData, const std::string& elementName, const Hashmap<std::string, std::string>& attributes)
{
SharedDataTable* sharedDataPtr = sharedData.As<SharedDataTable>();
if (sharedDataPtr == nullptr)
return false;
if (!mElementMetaData.ContainsKey(elementName))
return false;
if (!sharedDataPtr->CheckStateTransition(SharedDataTable::ParserState::PRIMITIVE_START))
throw std::exception("ClearScreen script syntax");
if (attributes.ContainsKey("index"))
{
sscanf_s(attributes["index"].c_str(), "%u", &mIndex);
mIndexAttributeSpecified = true;
}
else
{
mIndexAttributeSpecified = false;
}
// <integer name="variableName">
if (attributes.ContainsKey("name"))
{
if (!sharedDataPtr->CheckStateTransition(SharedDataTable::ParserState::NAME_START))
throw std::exception("ClearScreen script syntax");
if (!sharedDataPtr->CheckStateTransition(SharedDataTable::ParserState::NAME_END))
throw std::exception("ClearScreen script syntax");
mCurrentDataName = attributes["name"];
Datum& primitiveDatum = sharedDataPtr->CurrentScopePtr->Append(mCurrentDataName);
primitiveDatum.SetType(mElementMetaData[elementName]);
// <integer name="variableName" value="variableValue"/>
if (attributes.ContainsKey("value"))
{
if (!sharedDataPtr->CheckStateTransition(SharedDataTable::ParserState::VALUE_START))
throw std::exception("ClearScreen script syntax");
if (!sharedDataPtr->CheckStateTransition(SharedDataTable::ParserState::VALUE_END))
throw std::exception("ClearScreen script syntax");
std::uint32_t index = mIndex;
if (!mIndexAttributeSpecified)
index = (primitiveDatum.StorageType() == Datum::DatumStorageType::EXTERNAL) ? 0 : primitiveDatum.Size();
if (primitiveDatum.Type() != Datum::DatumType::REFERENCE)
{
primitiveDatum.SetFromString(attributes["value"], index);
}
else
{
Datum* reference = World::ComplexSearch(attributes["value"], *sharedDataPtr->CurrentScopePtr);
if (reference == nullptr)
{
std::stringstream str;
str << "LNK2001: unresolved external symbol: " << attributes["value"] << " :P ";
throw std::exception(str.str().c_str());
}
primitiveDatum.Set(reference, index);
}
mCurrentDataName = "";
}
}
return true;
}