Template list class. Duplicates the one in current/src/add-ons/print/drivers/pdf/source

git-svn-id: file:///srv/svn/repos/haiku/trunk/current@652 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/tests/kits/midi/synth_file_reader/TList.h

@@ -0,0 +1,110 @@
+/*
+
+TList.h
+
+Copyright (c) 2002 OpenBeOS.
+
+Author:
+	Michael Pfeiffer
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
+of the Software, and to permit persons to whom the Software is furnished to do
+so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+
+*/
+
+/* 
+TODO: Move this header file into a "common" directory!
+This class is an minor extended version of the one found in
+current/src/add-ons/print/drivers/pdf/source
+*/
+
+#ifndef _TLIST_H
+#define _TLIST_H
+
+#include <List.h>
+
+template <class T>
+class TList {
+private:
+	BList fList;
+	bool  fOwnsItems;
+	
+	typedef int (*sort_func)(const void*, const void*);
+	
+public:
+	TList(bool ownsItems = true) : fOwnsItems(ownsItems) { }
+	virtual ~TList();
+	void     MakeEmpty();
+	int32    CountItems() const;
+	T*       ItemAt(int32 index) const;
+	void     AddItem(T* p);
+	T*       Items();
+	void     SortItems(int (*comp)(const T**, const T**));
+
+};
+
+// TList
+template<class T>
+TList<T>::~TList() {
+	MakeEmpty();
+}
+
+
+template<class T>
+void TList<T>::MakeEmpty() {
+	const int32 n = CountItems();
+	if (fOwnsItems) {
+		for (int i = 0; i < n; i++) {
+			delete ItemAt(i);
+		}
+	}
+	fList.MakeEmpty();
+}
+
+
+template<class T>
+int32 TList<T>::CountItems() const {
+	return fList.CountItems();
+}
+
+
+template<class T>
+T* TList<T>::ItemAt(int32 index) const {
+	return (T*)fList.ItemAt(index);
+}
+
+
+template<class T>
+void TList<T>::AddItem(T* p) {
+	fList.AddItem(p);
+}
+
+
+template<class T>
+T* TList<T>::Items() {
+	return (T*)fList.Items();
+}
+
+
+template<class T>
+void TList<T>::SortItems(int (*comp)(const T**, const T**)) {
+	sort_func sort = (sort_func)comp;
+	fList.SortItems(sort);
+}
+
+#endif