1 files changed, 99 insertions, 0 deletions
diff --git a/src/extensible.cpp b/src/extensible.cpp
new file mode 100644
index 000000000..66f603e21
--- /dev/null
+++ b/src/extensible.cpp
@@ -0,0 +1,99 @@
+/*
+ *
+ * (C) 2003-2013 Anope Team
+ * Contact us at team@anope.org
+ *
+ * Please read COPYING and README for further details.
+ *
+ *
+ */
+
+#include "extensible.h"
+
+Extensible::Extensible() : extension_items(NULL)
+{
+}
+
+Extensible::~Extensible()
+{
+	if (extension_items)
+	{
+		for (extensible_map::iterator it = extension_items->begin(), it_end = extension_items->end(); it != it_end; ++it)
+			delete it->second;
+		delete extension_items;
+	}
+}
+
+void Extensible::Extend(const Anope::string &key, ExtensibleItem *p)
+{
+	this->Shrink(key);
+	if (!extension_items)
+		extension_items = new extensible_map();
+	(*this->extension_items)[key] = p;
+}
+
+void Extensible::ExtendMetadata(const Anope::string &key, const Anope::string &value)
+{
+	this->Extend(key, new ExtensibleMetadata(value));
+}
+
+bool Extensible::Shrink(const Anope::string &key)
+{
+	if (!extension_items)
+		return false;
+
+	extensible_map::iterator it = this->extension_items->find(key);
+	if (it != this->extension_items->end())
+	{
+		delete it->second;
+		/* map::size_type map::erase( const key_type& key );
+		 * returns the number of elements removed, std::map
+		 * is single-associative so this should only be 0 or 1
+		 */
+		return this->extension_items->erase(key) > 0;
+	}
+
+	return false;
+}
+
+bool Extensible::HasExt(const Anope::string &key) const
+{
+	return this->extension_items != NULL && this->extension_items->count(key) > 0;
+}
+
+void Extensible::GetExtList(std::deque<Anope::string> &list) const
+{
+	if (extension_items)
+		for (extensible_map::const_iterator it = extension_items->begin(), it_end = extension_items->end(); it != it_end; ++it)
+			list.push_back(it->first);
+}
+
+void Extensible::ExtensibleSerialize(Serialize::Data &data) const
+{
+	if (extension_items)
+		for (extensible_map::const_iterator it = extension_items->begin(), it_end = extension_items->end(); it != it_end; ++it)
+			if (it->second && it->second->Serialize())
+				data["extensible:" + it->first] << *it->second->Serialize();
+}
+
+void Extensible::ExtensibleUnserialize(Serialize::Data &data)
+{
+	/* Shrink existing extensible items */
+	if (extension_items)
+		for (extensible_map::iterator it = extension_items->begin(), it_end = extension_items->end(); it != it_end; ++it)
+			this->Shrink(it->first);
+		
+	std::set<Anope::string> keys = data.KeySet();
+	for (std::set<Anope::string>::iterator it = keys.begin(), it_end = keys.end(); it != it_end; ++it)
+		if (it->find("extensible:") == 0)
+		{
+			if (!extension_items)
+				extension_items = new extensible_map();
+
+			Anope::string str;
+			data[*it] >> str;
+
+			this->ExtendMetadata(it->substr(11), str);
+		}
+}
+