New Resource::Manager for controlling access to server resources

src/ripple/resource/impl/Charge.cpp

@@ -0,0 +1,60 @@
+//------------------------------------------------------------------------------
+/*
+    This file is part of rippled: https://github.com/ripple/rippled
+    Copyright (c) 2012, 2013 Ripple Labs Inc.
+
+    Permission to use, copy, modify, and/or distribute this software for any
+    purpose  with  or without fee is hereby granted, provided that the above
+    copyright notice and this permission notice appear in all copies.
+
+    THE  SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+    WITH  REGARD  TO  THIS  SOFTWARE  INCLUDING  ALL  IMPLIED  WARRANTIES  OF
+    MERCHANTABILITY  AND  FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+    ANY  SPECIAL ,  DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+    WHATSOEVER  RESULTING  FROM  LOSS  OF USE, DATA OR PROFITS, WHETHER IN AN
+    ACTION  OF  CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+    OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+*/
+//==============================================================================
+
+#include <sstream>
+
+namespace ripple {
+namespace Resource {
+
+Charge::Charge ()
+    : m_cost (0)
+{
+}
+
+Charge::Charge (value_type cost, std::string const& label)
+    : m_cost (cost)
+    , m_label (label)
+{
+}
+
+std::string const& Charge::label () const
+{
+    return m_label;
+}
+
+Charge::value_type Charge::cost() const
+{
+    return m_cost;
+}
+
+std::string Charge::to_string () const
+{
+    std::stringstream ss;
+    ss << m_label << " ($" << m_cost << ")";
+    return ss.str();
+}
+
+std::ostream& operator<< (std::ostream& os, Charge const& v)
+{
+    os << v.to_string();
+    return os;
+}
+
+}
+}