New directory tree, with preprocessor/ inside interpretor/.
[Faustine.git] / interpretor / preprocessor / faust-0.9.47mr3 / compiler / draw / schema / collector.cpp
diff --git a/interpretor/preprocessor/faust-0.9.47mr3/compiler/draw/schema/collector.cpp b/interpretor/preprocessor/faust-0.9.47mr3/compiler/draw/schema/collector.cpp
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+/************************************************************************
+ ************************************************************************
+    FAUST compiler
+    Copyright (C) 2003-2004 GRAME, Centre National de Creation Musicale
+    ---------------------------------------------------------------------
+    This program is free software; you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation; either version 2 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ ************************************************************************
+ ************************************************************************/
+
+
+#include "schema.h"
+#include <assert.h>
+
+using namespace std;
+
+
+void collector::computeVisibleTraits()
+{
+    bool modified;
+
+    do {
+        modified = false;
+        for (set<trait>::iterator p = fTraits.begin(); p != fTraits.end(); p++) {
+            if (fWithInput.count(*p) == 0) {        // not connected to a real output
+                if (fOutputs.count(p->start) > 0) {
+                    fWithInput.insert(*p);          // the cable is connected to a real output
+                    fOutputs.insert(p->end);        // end become a real output too
+                    modified = true;
+                }
+            }
+            if (fWithOutput.count(*p) == 0) {       // not connected to a real input
+                if (fInputs.count(p->end) > 0) {
+                    fWithOutput.insert(*p);         // the cable is connected to a real input
+                    fInputs.insert(p->start);       // start become a real input too
+                    modified = true;
+                }
+            }
+        }
+    } while (modified);
+}
+
+bool collector::isVisible(const trait& t)
+{
+    return fWithInput.count(t) && fWithOutput.count(t);
+}
+
+void collector::draw(device& dev)
+{
+    computeVisibleTraits();
+    for (set<trait>::iterator p = fTraits.begin(); p != fTraits.end(); p++) {
+        if (isVisible(*p)) p->draw(dev);
+    }
+}
+