mirror of https://github.com/Icinga/icinga2.git
149 lines
3.5 KiB
C++
149 lines
3.5 KiB
C++
/* Icinga 2 | (c) 2012 Icinga GmbH | GPLv2+ */
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#ifndef TYPE_H
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#define TYPE_H
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#include "base/i2-base.hpp"
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#include "base/string.hpp"
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#include "base/object.hpp"
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#include "base/initialize.hpp"
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#include <unordered_set>
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#include <vector>
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namespace icinga
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{
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/* keep this in sync with tools/mkclass/classcompiler.hpp */
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enum FieldAttribute
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{
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FAEphemeral = 1,
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FAConfig = 2,
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FAState = 4,
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FARequired = 256,
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FANavigation = 512,
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FANoUserModify = 1024,
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FANoUserView = 2048,
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FADeprecated = 4096,
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};
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class Type;
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struct Field
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{
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int ID;
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const char *TypeName;
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const char *Name;
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const char *NavigationName;
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const char *RefTypeName;
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int Attributes;
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int ArrayRank;
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Field(int id, const char *type, const char *name, const char *navigationName, const char *reftype, int attributes, int arrayRank)
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: ID(id), TypeName(type), Name(name), NavigationName(navigationName), RefTypeName(reftype), Attributes(attributes), ArrayRank(arrayRank)
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{ }
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};
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enum TypeAttribute
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{
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TAAbstract = 1
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};
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class ValidationUtils
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{
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public:
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virtual bool ValidateName(const String& type, const String& name) const = 0;
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};
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class Type : public Object
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{
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public:
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DECLARE_OBJECT(Type);
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String ToString() const override;
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virtual String GetName() const = 0;
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virtual Type::Ptr GetBaseType() const = 0;
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virtual int GetAttributes() const = 0;
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virtual int GetFieldId(const String& name) const = 0;
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virtual Field GetFieldInfo(int id) const = 0;
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virtual int GetFieldCount() const = 0;
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String GetPluralName() const;
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Object::Ptr Instantiate(const std::vector<Value>& args) const;
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bool IsAssignableFrom(const Type::Ptr& other) const;
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bool IsAbstract() const;
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Object::Ptr GetPrototype() const;
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void SetPrototype(const Object::Ptr& object);
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static void Register(const Type::Ptr& type);
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static Type::Ptr GetByName(const String& name);
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static std::vector<Type::Ptr> GetAllTypes();
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void SetField(int id, const Value& value, bool suppress_events = false, const Value& cookie = Empty) override;
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Value GetField(int id) const override;
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virtual const std::unordered_set<Type*>& GetLoadDependencies() const;
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virtual int GetActivationPriority() const;
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typedef std::function<void (const Object::Ptr&, const Value&)> AttributeHandler;
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virtual void RegisterAttributeHandler(int fieldId, const AttributeHandler& callback);
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protected:
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virtual ObjectFactory GetFactory() const = 0;
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private:
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Object::Ptr m_Prototype;
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};
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class TypeType final : public Type
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{
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public:
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DECLARE_PTR_TYPEDEFS(Type);
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String GetName() const override;
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Type::Ptr GetBaseType() const override;
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int GetAttributes() const override;
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int GetFieldId(const String& name) const override;
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Field GetFieldInfo(int id) const override;
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int GetFieldCount() const override;
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static Object::Ptr GetPrototype();
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protected:
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ObjectFactory GetFactory() const override;
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};
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template<typename T>
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class TypeImpl
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{
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};
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/* Ensure that the priority is lower than the basic namespace initialization in scriptframe.cpp. */
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#define REGISTER_TYPE(type) \
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INITIALIZE_ONCE_WITH_PRIORITY([]() { \
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icinga::Type::Ptr t = new TypeImpl<type>(); \
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type::TypeInstance = t; \
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icinga::Type::Register(t); \
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}, InitializePriority::RegisterTypes); \
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DEFINE_TYPE_INSTANCE(type)
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#define REGISTER_TYPE_WITH_PROTOTYPE(type, prototype) \
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INITIALIZE_ONCE_WITH_PRIORITY([]() { \
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icinga::Type::Ptr t = new TypeImpl<type>(); \
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t->SetPrototype(prototype); \
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type::TypeInstance = t; \
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icinga::Type::Register(t); \
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}, InitializePriority::RegisterTypes); \
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DEFINE_TYPE_INSTANCE(type)
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#define DEFINE_TYPE_INSTANCE(type) \
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Type::Ptr type::TypeInstance
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}
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#endif /* TYPE_H */
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