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#pragma once
#include <exception>
#include <map>
#include <string>
namespace FactoryExceptions {
class TypeNotRegistered : public std::exception {
public:
TypeNotRegistered(const std::string& typeString) : std::exception(), typeString(typeString) {
}
virtual ~TypeNotRegistered() throw() {
}
const char* what() const throw() {
return typeString.c_str();
}
private:
const std::string typeString;
};
}
/**
* A Factory for creating objects which can be identified by strings.
*/
template<class BaseObject>
class Factory {
public:
typedef BaseObject* CreateFunction();
bool registerObject(const std::string& id, CreateFunction* createFunction) {
return this->objectMap.insert(std::make_pair(id, createFunction)).second;
}
BaseObject* createObject(const std::string& id) const throw(FactoryExceptions::TypeNotRegistered) {
typename std::map<const std::string, CreateFunction*>::const_iterator it = this->objectMap.find(id);
if (it == this->objectMap.end()) {
throw FactoryExceptions::TypeNotRegistered(id);
}
return it->second();
}
private:
std::map<const std::string, CreateFunction*> objectMap;
};
#include "xml/node.h"
struct NodeTraits {
static std::string getTypeString(const Inkscape::XML::Node& node) {
std::string name;
switch (node.type()) {
case Inkscape::XML::TEXT_NODE:
name = "string";
break;
case Inkscape::XML::ELEMENT_NODE: {
gchar const* const sptype = node.attribute("sodipodi:type");
if (sptype) {
name = sptype;
} else {
name = node.name();
}
break;
}
default:
name = "";
break;
}
return name;
}
};
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