Move forward declarations to typedefs.h

[user/henk/code/inspircd.git] / include / base.h

diff --git a/include/base.h b/include/base.h
index 3d05b15cdd8b593bc06602e76cc0f8643a1aa58d..b39c7d0778463e0f8bb478073c27859f002818f6 100644 (file)
--- a/include/base.h
+++ b/include/base.h
@@ -47,6 +47,20 @@ class CoreExport classbase
        void operator=(const classbase&);
 };
 
+/** The base class for inspircd classes that provide a wrapping interface, and
+ * should only exist while being used. Prevents heap allocation.
+ */
+class CoreExport interfacebase
+{
+ public:
+       interfacebase() {}
+ private:
+       interfacebase(const interfacebase&);
+       void operator=(const interfacebase&);
+       void* operator new(size_t);
+       void operator delete(void*);
+};
+
 /** The base class for inspircd classes that support reference counting.
  * Any objects that do not have a well-defined lifetime should inherit from
  * this, and should be assigned to a reference<type> object to establish their
@@ -62,12 +76,14 @@ class CoreExport classbase
  */
 class CoreExport refcountbase
 {
-       unsigned int refcount;
+       mutable unsigned int refcount;
  public:
        refcountbase();
        virtual ~refcountbase();
        inline unsigned int GetReferenceCount() const { return refcount; }
        friend class reference_base;
+       void* operator new(size_t);
+       void operator delete(void*);
  private:
        // uncopyable
        refcountbase(const refcountbase&);
@@ -79,6 +95,7 @@ class CoreExport reference_base
  protected:
        template<typename T> static inline unsigned int inc(T* v) { return ++(v->refcount); }
        template<typename T> static inline unsigned int dec(T* v) { return --(v->refcount); }
+
 };
 
 template <typename T>
@@ -88,12 +105,13 @@ class reference : public reference_base
  public:
        reference() : value(0) { }
        reference(T* v) : value(v) { if (value) inc(value); }
-       reference<T>& operator=(T* v)
+       reference(const reference<T>& v) : value(v.value) { if (value) inc(value); }
+       reference<T>& operator=(const reference<T>& other)
        {
-               if (v)
-                       inc(v);
+               if (other.value)
+                       inc(other.value);
                this->reference::~reference();
-               value = v;
+               value = other.value;
                return *this;
        }
 
@@ -106,12 +124,17 @@ class reference : public reference_base
                                delete value;
                }
        }
-       inline const T* operator->() const { return value; }
-       inline const T& operator*() const { return *value; }
-       inline T* operator->() { return value; }
-       inline T& operator*() { return *value; }
        inline operator bool() const { return value; }
        inline operator T*() const { return value; }
+       inline T* operator->() const { return value; }
+       inline T& operator*() const { return *value; }
+       inline bool operator<(const reference<T>& other) const { return value < other.value; }
+       inline bool operator>(const reference<T>& other) const { return value > other.value; }
+       inline bool operator==(const reference<T>& other) const { return value == other.value; }
+       inline bool operator!=(const reference<T>& other) const { return value != other.value; }
+ private:
+       void* operator new(size_t);
+       void operator delete(void*);
 };
 
 /** This class can be used on its own to represent an exception, or derived to represent a module-specific exception.
@@ -162,18 +185,27 @@ class CoreExport CoreException : public std::exception
 class CoreExport ModuleException : public CoreException
 {
  public:
-       /** Default constructor, just uses the error mesage 'Module threw an exception'.
-        */
-       ModuleException() : CoreException("Module threw an exception", "A Module") {}
-
        /** This constructor can be used to specify an error message before throwing.
         */
-       ModuleException(const std::string &message) : CoreException(message, "A Module") {}
-       /** This destructor solves world hunger, cancels the world debt, and causes the world to end.
-        * Actually no, it does nothing. Never mind.
-        * @throws Nothing!
-        */
-       virtual ~ModuleException() throw() {};
+       ModuleException(const std::string &message, Module* me = NULL);
+};
+
+/** Module reference, similar to reference<Module>
+ */
+class CoreExport ModuleRef : public reference_base
+{
+       Module* const value;
+ public:
+       ModuleRef(Module* v);
+       ~ModuleRef();
+       inline operator Module*() const { return value; }
+       inline Module* operator->() const { return value; }
+       inline Module& operator*() const { return *value; }
+ private:
+       ModuleRef(const ModuleRef&);
+       void operator=(const ModuleRef&);
+       void* operator new(size_t);
+       void operator delete(void*);
 };
 
 #endif