--- /dev/null
+/*
+
+ Copyright (C) 2011 Grame
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ This library 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
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with this library; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+
+ Grame Research Laboratory, 9 rue du Garet, 69001 Lyon - France
+ research@grame.fr
+
+*/
+
+#include <iostream>
+#include <sstream>
+
+#include "FaustFactory.h"
+#include "FaustNode.h"
+#include "RootNode.h"
+#include "MessageDriven.h"
+#include "OSCAddress.h"
+
+using namespace std;
+
+namespace oscfaust
+{
+
+
+/**
+ * Add a node to the OSC UI tree in the current group at the top of the stack
+ */
+void FaustFactory::addnode (const char* label, float* zone, float init, float min, float max)
+{
+ SMessageDriven top = fNodes.size() ? fNodes.top() : fRoot;
+ if (top) {
+ string prefix = top->getOSCAddress();
+ top->add( FaustNode::create (label, zone, init, min, max, prefix.c_str()) );
+ }
+}
+
+/**
+ * Add a node to the OSC UI tree using its fullpath directly from the root and bypassing the current group.
+ * The argument fullpath = "/foo/fii/faa [imin [imax]]" can contain optional imin and imax values
+ */
+void FaustFactory::addfullpathnode (const string& fullpath, float* zone, float imin, float imax, float init, float min, float max)
+{
+ istringstream ss(fullpath);
+ string realpath;
+ string remainingpath;
+
+ // Extract realpath and optional imin and imax fields. Note that if no values for imin and imax
+ // are specified in the fullpath string, the values passed as parameters will be used.
+ ss >> realpath >> imin >> imax;
+ // Note that realpath is prefixed before being added in the tree : /root/alias/realpath
+ SMessageDriven node = followPath(fRoot, string("/alias") + realpath, remainingpath);
+ createNodeChain(node, remainingpath, zone, imin, imax, init, min, max);
+}
+
+
+/**
+ * Follows fullpath as much as possible. Return the deepest node reached and
+ * the remaining path. We have path(node)++remainingpath = fullpath
+ */
+SMessageDriven FaustFactory::followPath(SMessageDriven node, const string& fullpath, string& remainingpath)
+{
+ if (fullpath.size()>0) {
+ string label = OSCAddress::addressFirst (fullpath);
+ for (int i = 0; i < node->size(); i++) {
+ if (node->subnode(i)->name() == label) {
+ return followPath(node->subnode(i), OSCAddress::addressTail(fullpath), remainingpath);
+ }
+ }
+ }
+ remainingpath = fullpath;
+ return node;
+}
+
+
+/**
+ * Creates a chain of nodes starting at node and following pathtoleaf
+ */
+void FaustFactory::createNodeChain(SMessageDriven node, const string& pathtoleaf, float* zone, float imin, float imax, float init, float min, float max)
+{
+ if (pathtoleaf.size() > 0) {
+ string label = OSCAddress::addressFirst (pathtoleaf);
+ string tail = OSCAddress::addressTail (pathtoleaf);
+ if (tail.size() == 0) {
+ string prefix = node->getOSCAddress();
+ node->add( FaustNode::create (label.c_str(), zone, imin, imax, init, min, max, prefix.c_str()) );
+ } else {
+ SMessageDriven group = MessageDriven::create (label.c_str(), node->getOSCAddress().c_str());
+ node->add(group);
+ createNodeChain(group, tail, zone, imin, imax, init, min, max);
+ }
+ } else {
+ cerr << "osc address too short" << endl;
+ }
+}
+
+
+/**
+ * Open a group in the current group and place it on the top of the stack.
+ * Takes into account that due to alias, a group can been previously created.
+ */
+void FaustFactory::opengroup (const char* label)
+{
+ if (fNodes.size() == 0) {
+ // the stack is empty: creates a root node
+ // and gives the root node a possible OSCIO controler
+ fRoot = RootNode::create (label, fIO);
+ fNodes.push (fRoot);
+
+ } else {
+ // only create a group if not previously created
+ SMessageDriven node = fNodes.top();
+ int i=0; while ( (i < node->size()) && (node->subnode(i)->name() != label) ) i++;
+
+ if (i < node->size()) {
+ // found, make it top of stack
+ fNodes.push(node->subnode(i));
+ } else {
+ // not found, create a new group and make it top of stack
+ SMessageDriven group = MessageDriven::create (label, node->getOSCAddress().c_str());
+ node->add( group );
+ fNodes.push (group);
+ }
+
+ }
+}
+
+//--------------------------------------------------------------------------
+void FaustFactory::closegroup ()
+{
+ fNodes.pop ();
+}
+
+} // end namespoace