mirror of
https://github.com/Icinga/icinga2.git
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137 lines
3.7 KiB
C++
137 lines
3.7 KiB
C++
/******************************************************************************
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* Icinga 2 *
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* Copyright (C) 2012-2015 Icinga Development Team (http://www.icinga.org) *
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* *
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* This program is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU General Public License *
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* as published by the Free Software Foundation; either version 2 *
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* of the License, or (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, write to the Free Software Foundation *
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. *
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******************************************************************************/
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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 <boost/function.hpp>
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#include <vector>
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namespace icinga
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{
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enum FieldAttribute
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{
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FAConfig = 1,
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FAState = 2,
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FAInternal = 32
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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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int Attributes;
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Field(int id, const char *type, const char *name, int attributes)
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: ID(id), TypeName(type), Name(name), Attributes(attributes)
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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 I2_BASE_API Type : public Object
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{
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public:
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DECLARE_PTR_TYPEDEFS(Type);
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virtual String ToString(void) const;
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virtual String GetName(void) const = 0;
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virtual Type::Ptr GetBaseType(void) const = 0;
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virtual int GetAttributes(void) 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(void) const = 0;
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Object::Ptr Instantiate(void) const;
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bool IsAssignableFrom(const Type::Ptr& other) const;
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bool IsAbstract(void) const;
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Object::Ptr GetPrototype(void) 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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virtual void SetField(int id, const Value& value);
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virtual Value GetField(int id) const;
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virtual std::vector<String> GetLoadDependencies(void) const;
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protected:
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virtual ObjectFactory GetFactory(void) const = 0;
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private:
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Object::Ptr m_Prototype;
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};
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class I2_BASE_API TypeType : public Type
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{
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public:
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DECLARE_PTR_TYPEDEFS(Type);
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virtual String GetName(void) const;
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virtual Type::Ptr GetBaseType(void) const;
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virtual int GetAttributes(void) const;
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virtual int GetFieldId(const String& name) const;
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virtual Field GetFieldInfo(int id) const;
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virtual int GetFieldCount(void) const;
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protected:
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virtual ObjectFactory GetFactory(void) const;
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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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#define REGISTER_TYPE(type) \
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namespace { namespace UNIQUE_NAME(rt) { \
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void RegisterType ## type(void) \
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{ \
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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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} \
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\
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INITIALIZE_ONCE(RegisterType ## type); \
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} } \
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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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