Tidy up TxFormat and create TxFormats, TxFlags

modules/ripple_data/protocol/ripple_TxFormats.cpp

@@ -0,0 +1,49 @@
+
+TxFormats& TxFormats::getInstance ()
+{
+    static TxFormats instance;
+
+    return instance;
+}
+
+TxFormat* TxFormats::add (TxFormat* txFormat)
+{
+    // VFALCO TODO Figure out when and how to delete the TxFormat objects later?
+    m_types [txFormat->getType ()] = txFormat;
+    m_names [txFormat->getName ()] = txFormat;
+
+    return txFormat;
+}
+
+TxFormat* TxFormats::findByType (TransactionType type)
+{
+    TxFormat* result = NULL;
+
+    TypeMap::iterator const iter = m_types.find (type);
+
+    if (iter != m_types.end ())
+    {
+        result = iter->second;
+    }
+
+    return result;
+}
+
+TxFormat* TxFormats::findByName (std::string const& name)
+{
+    TxFormat* result = NULL; // VFALCO TODO replace all NULL with nullptr
+
+    NameMap::iterator const iter = m_names.find (name);
+
+    if (iter != m_names.end ())
+    {
+        result = iter->second;
+    }
+
+    return result;
+}
+
+TxFormats::TxFormats ()
+{
+}
+