X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=bundles%2Forg.simantics.scenegraph%2Fsrc%2Fgnu%2Ftrove%2FTIntStack.java;fp=bundles%2Forg.simantics.scenegraph%2Fsrc%2Fgnu%2Ftrove%2FTIntStack.java;h=b0612730dcbc3a0c6c710303a507cd1824d3dc49;hb=969bd23cab98a79ca9101af33334000879fb60c5;hp=0000000000000000000000000000000000000000;hpb=866dba5cd5a3929bbeae85991796acb212338a08;p=simantics%2Fplatform.git
diff --git a/bundles/org.simantics.scenegraph/src/gnu/trove/TIntStack.java b/bundles/org.simantics.scenegraph/src/gnu/trove/TIntStack.java
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+///////////////////////////////////////////////////////////////////////////////
+// Copyright (c) 2001, Eric D. Friedman All Rights Reserved.
+//
+// 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 General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this program; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+///////////////////////////////////////////////////////////////////////////////
+
+
+package gnu.trove;
+
+/**
+ * A stack of int primitives, backed by a TIntArrayList.
+ *
+ * @author Eric D. Friedman, Rob Eden
+ * @version $Id: PStack.template,v 1.2 2007/02/28 23:03:57 robeden Exp $
+ */
+
+public class TIntStack {
+
+ /** the list used to hold the stack values. */
+ protected TIntArrayList _list;
+
+ public static final int DEFAULT_CAPACITY = TIntArrayList.DEFAULT_CAPACITY;
+
+ /**
+ * Creates a new TIntStack
instance with the default
+ * capacity.
+ */
+ public TIntStack() {
+ this(DEFAULT_CAPACITY);
+ }
+
+ /**
+ * Creates a new TIntStack
instance with the
+ * specified capacity.
+ *
+ * @param capacity the initial depth of the stack
+ */
+ public TIntStack(int capacity) {
+ _list = new TIntArrayList(capacity);
+ }
+
+ /**
+ * Pushes the value onto the top of the stack.
+ *
+ * @param val an int
value
+ */
+ public void push(int val) {
+ _list.add(val);
+ }
+
+ /**
+ * Removes and returns the value at the top of the stack.
+ *
+ * @return an int
value
+ */
+ public int pop() {
+ return _list.remove(_list.size() - 1);
+ }
+
+ /**
+ * Returns the value at the top of the stack.
+ *
+ * @return an int
value
+ */
+ public int peek() {
+ return _list.get(_list.size() - 1);
+ }
+
+ /**
+ * Returns the current depth of the stack.
+ */
+ public int size() {
+ return _list.size();
+ }
+
+ /**
+ * Clears the stack, reseting its capacity to the default.
+ */
+ public void clear() {
+ _list.clear(DEFAULT_CAPACITY);
+ }
+
+ /**
+ * Clears the stack without releasing its internal capacity allocation.
+ */
+ public void reset() {
+ _list.reset();
+ }
+
+ /**
+ * Copies the contents of the stack into a native array. Note that this will NOT
+ * pop them out of the stack.
+ *
+ * @return an int[]
value
+ */
+ public int[] toNativeArray() {
+ return _list.toNativeArray();
+ }
+
+ /**
+ * Copies a slice of the list into a native array. Note that this will NOT
+ * pop them out of the stack.
+ *
+ * @param dest the array to copy into.
+ */
+ public void toNativeArray(int[] dest) {
+ _list.toNativeArray(dest, 0, size());
+ }
+} // TIntStack