enough with umpteen "i18n.h" files. Consolidate on pbd/i18n.h

[ardour.git] / libs / ardour / chan_mapping.cc

diff --git a/libs/ardour/chan_mapping.cc b/libs/ardour/chan_mapping.cc
index 0ca79af505d1f69ccf58b1008e8f77c84ea0be24..f6f0e092c8065acd309bfe7d92c1cf73fb7be600 100644 (file)
--- a/libs/ardour/chan_mapping.cc
+++ b/libs/ardour/chan_mapping.cc
@@ -23,6 +23,10 @@
 #include <iostream>
 #include "ardour/chan_mapping.h"
 
+#include "pbd/i18n.h"
+
+static const char* state_node_name = "Channelmap";
+
 using namespace std;
 
 namespace ARDOUR {
@@ -40,7 +44,7 @@ ChanMapping::ChanMapping(ChanCount identity)
        }
 }
 
-ChanMapping::ChanMapping (const ChanMapping& other )
+ChanMapping::ChanMapping (const ChanMapping& other)
 {
        const ChanMapping::Mappings& mp (other.mappings());
        for (Mappings::const_iterator tm = mp.begin(); tm != mp.end(); ++tm) {
@@ -50,6 +54,19 @@ ChanMapping::ChanMapping (const ChanMapping& other )
        }
 }
 
+ChanMapping::ChanMapping (const XMLNode& node)
+{
+       XMLNodeConstIterator iter = node.children().begin();
+       for ( ; iter != node.children().end(); ++iter) {
+               if ((*iter)->name() == X_(state_node_name)) {
+                       const string& type_str  = (*iter)->property("type")->value();
+                       const string& from_str = (*iter)->property("from")->value();
+                       const string& to_str = (*iter)->property("to")->value();
+                       set(DataType(type_str), atol (from_str.c_str()), atol (to_str.c_str()));
+               }
+       }
+}
+
 uint32_t
 ChanMapping::get(DataType t, uint32_t from, bool* valid) const
 {
@@ -67,6 +84,26 @@ ChanMapping::get(DataType t, uint32_t from, bool* valid) const
        return m->second;
 }
 
+uint32_t
+ChanMapping::get_src(DataType t, uint32_t to, bool* valid) const
+{
+       Mappings::const_iterator tm = _mappings.find(t);
+       if (tm == _mappings.end()) {
+               if (valid) { *valid = false; }
+               return -1;
+       }
+       for (TypeMapping::const_iterator i = tm->second.begin(); i != tm->second.end(); ++i) {
+               if (i->second == to) {
+                       if (valid) { *valid = true; }
+                       return i->first;
+               }
+       }
+       if (valid) { *valid = false; }
+       return -1;
+}
+
+
+
 void
 ChanMapping::set(DataType t, uint32_t from, uint32_t to)
 {
@@ -115,6 +152,23 @@ ChanMapping::offset_to(DataType t, int32_t delta)
        }
 }
 
+XMLNode*
+ChanMapping::state(const std::string& name) const
+{
+       XMLNode* node = new XMLNode (name);
+       const Mappings& mp (mappings());
+       for (Mappings::const_iterator tm = mp.begin(); tm != mp.end(); ++tm) {
+               for (TypeMapping::const_iterator i = tm->second.begin(); i != tm->second.end(); ++i) {
+                       XMLNode* n = new XMLNode(X_(state_node_name));
+                       n->add_property("type", tm->first.to_string());
+                       n->add_property("from", i->first);
+                       n->add_property("to", i->second);
+                       node->add_child_nocopy(*n);
+               }
+       }
+       return node;
+}
+
 bool
 ChanMapping::is_subset (const ChanMapping& superset) const
 {
@@ -164,6 +218,31 @@ ChanMapping::is_identity (ChanCount offset) const
        return true;
 }
 
+uint32_t
+ChanMapping::n_total () const
+{
+       // fast version of count().n_total();
+       uint32_t rv = 0;
+       const Mappings& mp (mappings());
+       for (Mappings::const_iterator tm = mp.begin(); tm != mp.end(); ++tm) {
+               rv += tm->second.size ();
+       }
+       return rv;
+}
+
+ChanCount
+ChanMapping::count () const
+{
+       ChanCount rv;
+       const Mappings& mp (mappings());
+       for (Mappings::const_iterator tm = mp.begin(); tm != mp.end(); ++tm) {
+               rv.set (tm->first, tm->second.size ());
+       }
+       return rv;
+}
+
+
+
 } // namespace ARDOUR
 
 std::ostream& operator<<(std::ostream& o, const ARDOUR::ChanMapping& cm)