1 files changed, 136 insertions, 0 deletions
diff --git a/arts/modules/common/env_container_impl.cc b/arts/modules/common/env_container_impl.cc
new file mode 100644
index 00000000..0a6f87d7
--- /dev/null
+++ b/arts/modules/common/env_container_impl.cc
@@ -0,0 +1,136 @@
+#include "artsmodulescommon.h"
+#include "../runtime/sequenceutils.h"
+#include <debug.h>
+
+using namespace std;
+
+namespace Arts {
+namespace Environment {
+
+class Container_impl : virtual public Container_skel {
+protected:
+	string _dataDirectory;
+	Context _context;
+	vector<Item> _items;
+
+	Container self() { return Container::_from_base(_copy()); }
+public:
+	~Container_impl()
+	{
+		// tell items we're going to leave before actually going away
+		clear();
+	}
+	string dataDirectory()
+	{
+		return _dataDirectory;
+	}
+	void dataDirectory(const string& newDataDirectory)
+	{
+		if(newDataDirectory != _dataDirectory)
+		{
+			_dataDirectory = newDataDirectory;
+			dataDirectory_changed(newDataDirectory);
+		}
+	}
+	Context context()
+	{
+		return _context;
+	}
+	void context(Context newContext)
+	{
+		_context = newContext;
+	}
+	vector<Item> *items()
+	{
+		return new vector<Item>(_items);
+	}
+	vector<string> *saveToList()
+	{
+		vector<string> *result = new vector<string>;
+
+		vector<Item>::iterator ii;
+		for(ii=_items.begin(); ii != _items.end(); ii++)
+		{
+			sqprintf(result,"item=%s",ii->_interfaceName().c_str());
+
+			vector<string> *itemresult = ii->saveToList();
+			addSubStringSeq(result,itemresult);
+			delete itemresult;
+		}
+		return result;
+	}
+
+	void clear()
+	{
+		/* FIXME: performance ;) */
+		while(!_items.empty())
+			removeItem(_items.front());
+	}
+
+   	void loadFromList(const vector<string>& strlist)
+	{
+		string cmd,param;
+		unsigned long i;
+
+		clear();
+	
+		for(i=0;i<strlist.size();i++)
+		{
+			if(parse_line(strlist[i],cmd,param))  // otherwise: empty or comment
+			{
+				if(cmd == "item")
+				{
+					Item item = createItem(param);
+					vector<string> *itemlist = getSubStringSeq(&strlist,i);
+
+					if(!item.isNull())
+						item.loadFromList(*itemlist);
+					else
+					{
+						// error handling
+						assert(false);
+					}
+					delete itemlist;
+				}
+			}
+		}
+	}
+
+	vector<Item>::iterator findItem(Item item)
+	{
+		vector<Item>::iterator i;
+		for(i = _items.begin(); i != _items.end(); i++)
+			if(i->_isEqual(item)) return i;
+
+		return _items.end();
+	}
+
+	void addItem(Item item)
+	{
+		vector<Item>::iterator i = findItem(item);
+		arts_return_if_fail(i == _items.end());
+
+		_items.push_back(item);
+		item.setContainer(self());
+	}
+
+	Item createItem(const string& name)
+	{
+		Item item = SubClass(name);
+		addItem(item);
+		return item;
+	}
+
+	void removeItem(Item item)
+	{
+		vector<Item>::iterator i = findItem(item);
+		arts_return_if_fail(i != _items.end());
+
+		_items.erase(i);
+		item.setContainer(Container::null());
+	}
+};
+REGISTER_IMPLEMENTATION(Container_impl);
+}
+}
+