Init.HEADmaster

1 files changed, 66 insertions, 0 deletions

diff --git a/hw6/include/sceneIO_cache.inline.h b/hw6/include/sceneIO_cache.inline.h
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+++ b/hw6/include/sceneIO_cache.inline.h
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+/******************************************************************/
+/* This file is part of the homework assignments for CSCI-427/527 */
+/* at The College of William & Mary and authored by Pieter Peers. */
+/* No part of this file, whether altered or in original form, can */
+/* be distributed or used outside the context of CSCI-427/527     */
+/* without consent of either the College of William & Mary or     */
+/* Pieter Peers.                                                  */
+/******************************************************************/
+#if defined(_SCENEIO_CACHE_H_) && !defined(_SCENEIO_CACHE_INLINE_H_)
+#define _SCENEIO_CACHE_INLINE_H_
+
+#include <string>
+#include <memory>
+#include <vector>
+
+#include "errorMessage.h"
+
+template<typename T>
+std::shared_ptr<T> nodeCache<T>::get(const std::string& name) const
+{
+  // see if node exists
+  auto ref_node = _cache.find(name);
+
+  // return nullptr if not.
+  if(ref_node == _cache.end()) return nullptr;
+
+  // return node.
+  else return ref_node->second;
+}
+
+
+template<typename T>
+void nodeCache<T>::add(const std::string& name, const std::shared_ptr<T>& node)
+{
+  _cache[name] = node;
+}
+
+template<typename T>
+std::vector<std::shared_ptr<T>> nodeCache<T>::unusedNodes(unsigned int maxCount) const
+{
+  std::vector<std::shared_ptr<T>> result;
+
+  // check each node if unique
+  for(auto itr=_cache.begin(); itr != _cache.end(); itr++)
+    if(itr->second.use_count() <= maxCount)
+      result.push_back(itr->second);
+
+  // done.
+  return result;
+}
+
+
+template<typename T>
+std::vector<std::shared_ptr<T>> nodeCache<T>::allNodes(void) const
+{
+  std::vector<std::shared_ptr<T>> result;
+
+  // check each node if unique
+  for(auto itr=_cache.begin(); itr != _cache.end(); itr++)
+      result.push_back(itr->second);
+
+  // done.
+  return result;
+}
+
+#endif /* _SCENEIO_CACHE_INLINE_H_ */