Initial revision

src/osg/Object.cpp

@@ -0,0 +1,78 @@
+#include "osg/Object"
+#include "osg/Registry"
+#include "osg/Input"
+#include "osg/Output"
+
+using namespace osg;
+
+Object* Object::readClone(Input& fr)
+{
+    if (fr[0].matchWord("Use"))
+    {
+        if (fr[1].isString())
+        {
+            Object* obj = fr.getObjectForUniqueID(fr[1].getStr());
+            if (obj && isSameKindAs(obj))
+            {
+                fr+=2;
+                return obj;
+            }
+        }
+        return NULL;
+        
+    }
+
+    if (!fr[0].matchWord(className()) ||
+        !fr[1].isOpenBracket()) return NULL;
+
+    int entry = fr[0].getNoNestedBrackets();
+
+    Object* obj = clone();
+
+    fr+=2;
+
+    while(!fr.eof() && fr[0].getNoNestedBrackets()>entry)
+    {
+        bool iteratorAdvanced = false;
+        if (fr[0].matchWord("UniqueID") && fr[1].isString()) {
+            fr.regisiterUniqueIDForObject(fr[1].getStr(),obj);
+            fr += 2;
+        }
+        if (obj->readLocalData(fr)) iteratorAdvanced = true;
+        if (!iteratorAdvanced) ++fr;
+    }
+    ++fr;                                         // step over trailing '}'
+
+    return obj;
+}
+
+
+bool Object::write(Output& fw)
+{
+    if (_refCount>1) {
+        std::string uniqueID;
+        if (fw.getUniqueIDForObject(this,uniqueID)) {
+            fw.indent() << "Use " << uniqueID << endl;
+            return true;
+        }
+    }
+
+    fw.indent() << className() << " {"<<endl;
+
+    fw.moveIn();
+
+    if (_refCount>1) {
+        std::string uniqueID;
+        fw.createUniqueIDForObject(this,uniqueID);
+        fw.registerUniqueIDForObject(this,uniqueID);
+        fw.indent() << "UniqueID " << uniqueID << endl;
+    }
+
+    writeLocalData(fw);
+
+    fw.moveOut();
+
+    fw.indent() << "}"<<endl;
+
+    return true;
+}