From e9501b48d86d3c450ac4cbd9b1726d0d22b21784 Mon Sep 17 00:00:00 2001
From: Vincent Richard <vincent@vincent-richard.net>
Date: Wed, 29 Mar 2006 20:06:39 +0000
Subject: Refactored and cleaned up smart pointers.

---
 src/object.cpp | 121 +++++++--------------------------------------------------
 1 file changed, 14 insertions(+), 107 deletions(-)

(limited to 'src/object.cpp')

diff --git a/src/object.cpp b/src/object.cpp
index cf30a5fa..edce0a20 100644
--- a/src/object.cpp
+++ b/src/object.cpp
@@ -24,10 +24,6 @@
 #include "vmime/types.hpp"
 #include "vmime/object.hpp"
 
-#include <algorithm>  // std::find
-#include <sstream>    // std::ostringstream
-#include <stdexcept>  // std::runtime_error
-
 
 #ifndef VMIME_BUILDING_DOC
 
@@ -37,155 +33,66 @@ namespace vmime
 
 
 object::object()
-	: m_strongCount(0)
+	: m_refMgr(new utility::refManager(this))
 {
 }
 
 
 object::object(const object&)
-	: m_strongCount(0)
-{
-	// Not used
-}
-
-
-object::~object()
+	: m_refMgr(new utility::refManager(this))
 {
-	for (std::vector <utility::weak_ref_base*>::iterator
-	     it = m_weakRefs.begin() ; it != m_weakRefs.end() ; ++it)
-	{
-		(*it)->notifyObjectDestroyed();
-	}
-
-#if VMIME_DEBUG
-	if (m_strongCount != 0)
-	{
-		std::ostringstream oss;
-		oss << "ERROR: Deleting object and strong count != 0."
-		    << " (" << __FILE__ << ", line " << __LINE__ << ")" << std::endl;
-
-		throw std::runtime_error(oss.str());
-	}
-#endif // VMIME_DEBUG
 }
 
 
-void object::addStrong() const
+object& object::operator=(const object&)
 {
-	++m_strongCount;
+	// Do _NOT_ copy 'm_refMgr'
+	return *this;
 }
 
 
-void object::addWeak(utility::weak_ref_base* w) const
-{
-	m_weakRefs.push_back(w);
-}
-
-
-void object::releaseStrong() const
-{
-	if (--m_strongCount == 0)
-		delete this;
-}
-
-
-void object::releaseWeak(utility::weak_ref_base* w) const
+object::~object()
 {
-	std::vector <utility::weak_ref_base*>::iterator
-		it = std::find(m_weakRefs.begin(), m_weakRefs.end(), w);
-
-	if (it != m_weakRefs.end())
-		m_weakRefs.erase(it);
-#if VMIME_DEBUG
-	else
-	{
-		std::ostringstream oss;
-		oss << "ERROR: weak ref does not exist anymore!"
-		    << " (" << __FILE__ << ", line " << __LINE__ << ")" << std::endl;
-
-		throw std::runtime_error(oss.str());
-	}
-#endif // VMIME_DEBUG
+	delete m_refMgr;
+	m_refMgr = 0;
 }
 
 
 ref <object> object::thisRef()
 {
-#if VMIME_DEBUG
-	if (m_strongCount == 0)
-	{
-		std::ostringstream oss;
-		oss << "ERROR: thisRef() MUST NOT be called from the object constructor."
-		    << " (" << __FILE__ << ", line " << __LINE__ << ")" << std::endl;
-
-		throw std::runtime_error(oss.str());
-	}
-#endif // VMIME_DEBUG
-
+	m_refMgr->addStrong();
 	return ref <object>::fromPtr(this);
 }
 
 
 ref <const object> object::thisRef() const
 {
-#if VMIME_DEBUG
-	if (m_strongCount == 0)
-	{
-		std::ostringstream oss;
-		oss << "ERROR: thisRef() MUST NOT be called from the object constructor."
-		    << " (" << __FILE__ << ", line " << __LINE__ << ")" << std::endl;
-
-		throw std::runtime_error(oss.str());
-	}
-#endif // VMIME_DEBUG
-
+	m_refMgr->addStrong();
 	return ref <const object>::fromPtr(this);
 }
 
 
 weak_ref <object> object::thisWeakRef()
 {
-#if VMIME_DEBUG
-	if (m_strongCount == 0)
-	{
-		std::ostringstream oss;
-		oss << "ERROR: thisWeakRef() MUST NOT be called from the object constructor."
-		    << " (" << __FILE__ << ", line " << __LINE__ << ")" << std::endl;
-
-		throw std::runtime_error(oss.str());
-	}
-#endif // VMIME_DEBUG
-
 	return weak_ref <object>(thisRef());
 }
 
 
 weak_ref <const object> object::thisWeakRef() const
 {
-#if VMIME_DEBUG
-	if (m_strongCount == 0)
-	{
-		std::ostringstream oss;
-		oss << "ERROR: thisWeakRef() MUST NOT be called from the object constructor."
-		    << " (" << __FILE__ << ", line " << __LINE__ << ")" << std::endl;
-
-		throw std::runtime_error(oss.str());
-	}
-#endif // VMIME_DEBUG
-
 	return weak_ref <const object>(thisRef());
 }
 
 
-const int object::getStrongRefCount() const
+void object::setRefManager(utility::refManager* mgr)
 {
-	return m_strongCount;
+	m_refMgr = mgr;
 }
 
 
-const int object::getWeakRefCount() const
+utility::refManager* object::getRefManager() const
 {
-	return static_cast <const int>(m_weakRefs.size());
+	return m_refMgr;
 }
 
 
-- 
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