]> git.netwichtig.de Git - user/henk/code/inspircd.git/blobdiff - src/base.cpp
Make classbase and refcountbase uncopyable; expand comments on their indended uses
[user/henk/code/inspircd.git] / src / base.cpp
index 53ebda798990c658c1ebf2c01166d5becba7ec9a..2e2dbfb287d365c78e3022e8c5c5089dca02884d 100644 (file)
  *       | Inspire Internet Relay Chat Daemon |
  *       +------------------------------------+
  *
- *  InspIRCd is copyright (C) 2002-2006 ChatSpike-Dev.
- *                       E-mail:
- *                <brain@chatspike.net>
- *               <Craig@chatspike.net>
- *     
- * Written by Craig Edwards, Craig McLure, and others.
+ *  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 <time.h>
-#include <map>
-#include <deque>
-#include <string>
 #include "inspircd.h"
-#include "modules.h"
-#include "helperfuncs.h"
 
-const int bitfields[]           =       {1,2,4,8,16,32,64,128};
-const int inverted_bitfields[]  =       {~1,~2,~4,~8,~16,~32,~64,~128};
+classbase::classbase()
+{
+}
+
+CullResult classbase::cull()
+{
+       return CullResult();
+}
+
+classbase::~classbase()
+{
+}
+
+CullResult::CullResult()
+{
+}
+
+refcountbase::refcountbase() : refcount(0)
+{
+}
+
+refcountbase::~refcountbase()
+{
+}
+
+ExtensionItem::ExtensionItem(const std::string& Key, Module* mod) : key(Key), owner(mod)
+{
+}
 
-extern time_t TIME;
+ExtensionItem::~ExtensionItem()
+{
+}
+
+void* ExtensionItem::get_raw(const Extensible* container) const
+{
+       Extensible::ExtensibleStore::const_iterator i =
+               container->extensions.find(const_cast<ExtensionItem*>(this));
+       if (i == container->extensions.end())
+               return NULL;
+       return i->second;
+}
 
-bool Extensible::Extend(const std::string &key, char* p)
+void* ExtensionItem::set_raw(Extensible* container, void* value)
 {
-       // only add an item if it doesnt already exist
-       if (this->Extension_Items.find(key) == this->Extension_Items.end())
+       std::pair<Extensible::ExtensibleStore::iterator,bool> rv =
+               container->extensions.insert(std::make_pair(this, value));
+       if (rv.second)
        {
-               this->Extension_Items[key] = p;
-               log(DEBUG,"Extending object with item %s",key.c_str());
-               return true;
+               return NULL;
        }
-       // item already exists, return false
-       return false;
+       else
+       {
+               void* old = rv.first->second;
+               rv.first->second = value;
+               return old;
+       }
+}
+
+void* ExtensionItem::unset_raw(Extensible* container)
+{
+       Extensible::ExtensibleStore::iterator i = container->extensions.find(this);
+       if (i == container->extensions.end())
+               return NULL;
+       void* rv = i->second;
+       container->extensions.erase(i);
+       return rv;
 }
 
-bool Extensible::Shrink(const std::string &key)
+void ExtensionManager::Register(ExtensionItem* item)
 {
-       // only attempt to remove a map item that exists
-       if (this->Extension_Items.find(key) != this->Extension_Items.end())
+       types.insert(std::make_pair(item->key, item));
+}
+
+void ExtensionManager::BeginUnregister(Module* module, std::vector<ExtensionItem*>& list)
+{
+       std::map<std::string, ExtensionItem*>::iterator i = types.begin();
+       while (i != types.end())
        {
-               this->Extension_Items.erase(this->Extension_Items.find(key));
-               log(DEBUG,"Shrinking object with item %s",key.c_str());
-               return true;
+               std::map<std::string, ExtensionItem*>::iterator me = i++;
+               ExtensionItem* item = me->second;
+               if (item->owner == module)
+               {
+                       list.push_back(item);
+                       types.erase(me);
+               }
        }
-       return false;
 }
 
-char* Extensible::GetExt(const std::string &key)
+ExtensionItem* ExtensionManager::GetItem(const std::string& name)
+{
+       std::map<std::string, ExtensionItem*>::iterator i = types.find(name);
+       if (i == types.end())
+               return NULL;
+       return i->second;
+}
+
+void Extensible::doUnhookExtensions(const std::vector<ExtensionItem*>& toRemove)
 {
-       if (this->Extension_Items.find(key) != this->Extension_Items.end())
+       for(std::vector<ExtensionItem*>::const_iterator i = toRemove.begin(); i != toRemove.end(); ++i)
        {
-               return (this->Extension_Items.find(key))->second;
+               ExtensionItem* item = *i;
+               ExtensibleStore::iterator e = extensions.find(item);
+               if (e != extensions.end())
+               {
+                       item->free(e->second);
+                       extensions.erase(e);
+               }
        }
-       return NULL;
 }
 
-void Extensible::GetExtList(std::deque<std::string> &list)
+CullResult Extensible::cull()
 {
-       for (std::map<std::string,char*>::iterator u = Extension_Items.begin(); u != Extension_Items.end(); u++)
+       for(ExtensibleStore::iterator i = extensions.begin(); i != extensions.end(); ++i)
        {
-               list.push_back(u->first);
+               i->first->free(i->second);      
        }
+       return classbase::cull();
+}
+
+Extensible::~Extensible()
+{
+}
+
+LocalExtItem::LocalExtItem(const std::string& Key, Module* mod) : ExtensionItem(Key, mod)
+{
+}
+
+LocalExtItem::~LocalExtItem()
+{
+}
+
+std::string LocalExtItem::serialize(SerializeFormat format, const Extensible* container, void* item) const
+{
+       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) const
+{
+       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) const
+{
+       if (format != FORMAT_USER)
+               return "";
+       return ConvToStr(reinterpret_cast<intptr_t>(item));
+}
+
+intptr_t LocalIntExt::get(const Extensible* container) const
+{
+       return reinterpret_cast<intptr_t>(get_raw(container));
 }
 
-void BoolSet::Set(int number)
+intptr_t LocalIntExt::set(Extensible* container, intptr_t value)
 {
-       this->bits |= bitfields[number];
+       if (value)
+               return reinterpret_cast<intptr_t>(set_raw(container, reinterpret_cast<void*>(value)));
+       else
+               return reinterpret_cast<intptr_t>(unset_raw(container));
 }
 
-void BoolSet::Unset(int number)
+void LocalIntExt::free(void*)
 {
-       this->bits &= inverted_bitfields[number];
 }
 
-void BoolSet::Invert(int number)
+StringExtItem::StringExtItem(const std::string& Key, Module* mod) : ExtensionItem(Key, mod)
 {
-       this->bits ^= bitfields[number];
 }
 
-bool BoolSet::Get(int number)
+StringExtItem::~StringExtItem()
 {
-       return ((this->bits | bitfields[number]) > 0);
 }
 
-bool BoolSet::operator==(BoolSet other)
+std::string* StringExtItem::get(const Extensible* container) const
 {
-       return (this->bits == other.bits);
+       return static_cast<std::string*>(get_raw(container));
 }
 
-BoolSet BoolSet::operator|(BoolSet other)
+std::string StringExtItem::serialize(SerializeFormat format, const Extensible* container, void* item) const
 {
-       BoolSet x(this->bits | other.bits);
-       return x;
+       return item ? *static_cast<std::string*>(item) : "";
 }
 
-BoolSet BoolSet::operator&(BoolSet other)
+void StringExtItem::unserialize(SerializeFormat format, Extensible* container, const std::string& value)
 {
-       BoolSet x(this->bits & other.bits);
-       return x;
+       if (value.empty())
+               unset(container);
+       else
+               set(container, value);
 }
 
-BoolSet::BoolSet()
+void StringExtItem::set(Extensible* container, const std::string& value)
 {
-       this->bits = 0;
+       void* old = set_raw(container, new std::string(value));
+       delete static_cast<std::string*>(old);
 }
 
-BoolSet::BoolSet(char bitmask)
+void StringExtItem::unset(Extensible* container)
 {
-       this->bits = bitmask;
+       void* old = unset_raw(container);
+       delete static_cast<std::string*>(old);
 }
 
-bool BoolSet::operator=(BoolSet other)
+void StringExtItem::free(void* item)
 {
-       this->bits = other.bits;
-       return true;
+       delete static_cast<std::string*>(item);
 }