added: TextStream<> DbTextStream<> and HtmlTextStream<> have operator<<(Space&) now

added: to db: bool DbBase::AssertValueSpace(PGresult * r, int row, int col, Space & space, bool split_single)
added: environment variables for users
       User::env (of type Space) and
       User::aenv (of type Space) for admin variables (can be changed only by a super user)
added: winix function 'env'
       for changing User::env and User::aenv ('env' winix function with a 'a' parameter)



git-svn-id: svn://ttmath.org/publicrep/winix/trunk@790 e52654a7-88a9-db11-a3e9-0013d4bc506e

db/dbtextstream.cpp

@@ -2,7 +2,7 @@
  * This file is a part of Winix
  * and is not publicly distributed
  * 
- * Copyright (c) 2010-2011, Tomasz Sowa
+ * Copyright (c) 2010-2012, Tomasz Sowa
  * All rights reserved.
  * 
  */
@@ -577,3 +577,24 @@ return buffer;
 
 
 
+DbTextStream & DbTextStream::operator<<(const Space * space)
+{
+	space_stream.Clear();
+	// !! IMPROVE ME
+	// we can calculate how much memory is needed before serializing
+	space->Serialize(space_stream, true, false);
+	operator<<(space_stream.Str());
+	space_stream.Clear();
+
+return *this;
+}
+
+
+DbTextStream & DbTextStream::operator<<(const Space & space)
+{
+	return operator<<(&space);
+}
+
+
+
+