]> git.netwichtig.de Git - user/henk/code/inspircd.git/blobdiff - src/base.cpp
Add explicit reference-counting base class
[user/henk/code/inspircd.git] / src / base.cpp
index 7e545694bc9f5aa988ef94060f051dc52e905fef..9307928540639b721cda966221dac65cdd06cb27 100644 (file)
+/*       +------------------------------------+
+ *       | Inspire Internet Relay Chat Daemon |
+ *       +------------------------------------+
+ *
+ *  InspIRCd: (C) 2002-2009 InspIRCd Development Team
+ * See: http://wiki.inspircd.org/Credits
+ *
+ * This program is free but copyrighted software; see
+ *            the file COPYING for details.
+ *
+ * ---------------------------------------------------
+ */
+
+/* $Core */
+
+#include "inspircd_config.h"
 #include "base.h"
-#include "inspircd_config.h" 
 #include <time.h>
-#include <map>
-#include <string>
+#include "inspircd.h"
+
+const int bitfields[]           =       {1,2,4,8,16,32,64,128};
+const int inverted_bitfields[]  =       {~1,~2,~4,~8,~16,~32,~64,~128};
+std::map<std::string, ExtensionItem*> Extensible::extension_types;
+
+classbase::classbase()
+{
+}
+
+bool classbase::cull()
+{
+       return true;
+}
+
+classbase::~classbase()
+{
+}
+
+refcountbase::refcountbase() : refcount(0)
+{
+}
+
+bool refcountbase::cull()
+{
+       return (refcount == 0);
+}
+
+refcountbase::~refcountbase()
+{
+}
+
+ExtensionItem::ExtensionItem(const std::string& Key, Module* mod) : key(Key), owner(mod)
+{
+}
+
+ExtensionItem::~ExtensionItem()
+{
+}
+
+void* ExtensionItem::get_raw(const Extensible* container)
+{
+       ExtensibleStore::const_iterator i = container->extensions.find(key);
+       if (i == container->extensions.end())
+               return NULL;
+       return i->second;
+}
+
+void* ExtensionItem::set_raw(Extensible* container, void* value)
+{
+       std::pair<ExtensibleStore::iterator,bool> rv = 
+               container->extensions.insert(std::make_pair(key, value));
+       if (rv.second)
+       {
+               return NULL;
+       }
+       else
+       {
+               void* old = rv.first->second;
+               rv.first->second = value;
+               return old;
+       }
+}
+
+void* ExtensionItem::unset_raw(Extensible* container)
+{
+       ExtensibleStore::iterator i = container->extensions.find(key);
+       if (i == container->extensions.end())
+               return NULL;
+       void* rv = i->second;
+       container->extensions.erase(i);
+       return rv;
+}
+
+bool Extensible::Register(ExtensionItem* item)
+{
+       return Extensible::extension_types.insert(std::make_pair(item->key, item)).second;
+}
 
-bool Extensible::Extend(std::string key, VoidPointer p)
+std::vector<ExtensionItem*> Extensible::BeginUnregister(Module* module)
 {
-       // only add an item if it doesnt already exist
-       if (this->Extension_Items.find(key) == this->Extension_Items.end())
+       std::vector<ExtensionItem*> rv;
+       ExtensibleTypes::iterator i = extension_types.begin();
+       while (i != extension_types.end())
        {
-               this->Extension_Items[key] == p;
-               return true;
+               ExtensibleTypes::iterator c = i++;
+               if (c->second->owner == module)
+               {
+                       rv.push_back(c->second);
+                       extension_types.erase(c);
+               }
        }
-       // item already exists, return false
-       return false;
+       return rv;
 }
 
-bool Extensible::Shrink(std::string key)
+void Extensible::doUnhookExtensions(const std::vector<ExtensionItem*>& toRemove)
 {
-       // only attempt to remove a map item that exists
-       if (this->Extension_Items.find(key) != this->Extension_Items.end())
+       for(std::vector<ExtensionItem*>::const_iterator i = toRemove.begin(); i != toRemove.end(); i++)
        {
-               this->Extension_Items.erase(this->Extension_Items.find(key));
-               return true;
+               ExtensibleStore::iterator e = extensions.find((**i).key);
+               if (e != extensions.end())
+               {
+                       (**i).free(e->second);
+                       extensions.erase(e);
+               }
        }
-       return false;
 }
 
-VoidPointer Extensible::GetExt(std::string key)
+Extensible::~Extensible()
 {
-       if (this->Extension_Items.find(key) != this->Extension_Items.end())
+       for(ExtensibleStore::iterator i = extensions.begin(); i != extensions.end(); ++i)
        {
-               return (this->Extension_Items.find(key))->second;
+               ExtensionItem* type = GetItem(i->first);
+               if (type)
+                       type->free(i->second);  
+               else if (ServerInstance && ServerInstance->Logs)
+                       ServerInstance->Logs->Log("BASE", ERROR, "Extension type %s is not registered", i->first.c_str());
        }
-       return NULL;
 }
 
+LocalExtItem::LocalExtItem(const std::string& Key, Module* mod) : ExtensionItem(Key, mod)
+{
+}
+
+LocalExtItem::~LocalExtItem()
+{
+}
+
+std::string LocalExtItem::serialize(SerializeFormat format, const Extensible* container, void* item)
+{
+       return "";
+}
+
+void LocalExtItem::unserialize(SerializeFormat format, Extensible* container, const std::string& value)
+{
+}
+
+LocalStringExt::LocalStringExt(const std::string& Key, Module* Owner)
+       : SimpleExtItem<std::string>(Key, Owner) { }
+
+LocalStringExt::~LocalStringExt()
+{
+}
+
+std::string LocalStringExt::serialize(SerializeFormat format, const Extensible* container, void* item)
+{
+       if (item && format == FORMAT_USER)
+               return *static_cast<std::string*>(item);
+       return "";
+}
+
+LocalIntExt::LocalIntExt(const std::string& Key, Module* mod) : LocalExtItem(Key, mod)
+{
+}
+
+LocalIntExt::~LocalIntExt()
+{
+}
+
+std::string LocalIntExt::serialize(SerializeFormat format, const Extensible* container, void* item)
+{
+       if (format != FORMAT_USER)
+               return "";
+       return ConvToStr(reinterpret_cast<intptr_t>(item));
+}
+
+intptr_t LocalIntExt::get(const Extensible* container)
+{
+       return reinterpret_cast<intptr_t>(get_raw(container));
+}
+
+intptr_t LocalIntExt::set(Extensible* container, intptr_t value)
+{
+       if (value)
+               return reinterpret_cast<intptr_t>(set_raw(container, reinterpret_cast<void*>(value)));
+       else
+               return reinterpret_cast<intptr_t>(unset_raw(container));
+}
+
+void LocalIntExt::free(void*)
+{
+}
+
+StringExtItem::StringExtItem(const std::string& Key, Module* mod) : ExtensionItem(Key, mod)
+{
+}
+
+StringExtItem::~StringExtItem()
+{
+}
+
+std::string* StringExtItem::get(const Extensible* container)
+{
+       return static_cast<std::string*>(get_raw(container));
+}
+
+std::string StringExtItem::serialize(SerializeFormat format, const Extensible* container, void* item)
+{
+       return item ? *static_cast<std::string*>(item) : "";
+}
+
+void StringExtItem::unserialize(SerializeFormat format, Extensible* container, const std::string& value)
+{
+       if (value.empty())
+               unset(container);
+       else
+               set(container, value);
+}
+
+void StringExtItem::set(Extensible* container, const std::string& value)
+{
+       void* old = set_raw(container, new std::string(value));
+       delete static_cast<std::string*>(old);
+}
+
+void StringExtItem::unset(Extensible* container)
+{
+       void* old = unset_raw(container);
+       delete static_cast<std::string*>(old);
+}
+
+void StringExtItem::free(void* item)
+{
+       delete static_cast<std::string*>(item);
+}