1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/javap/src/main/java/org/apidesign/javap/TypeArray.java	Fri Dec 07 15:02:35 2012 +0100
     1.3 @@ -0,0 +1,100 @@
     1.4 +/*
     1.5 + * Copyright (c) 2012, Oracle and/or its affiliates. All rights reserved.
     1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     1.7 + *
     1.8 + * This code is free software; you can redistribute it and/or modify it
     1.9 + * under the terms of the GNU General Public License version 2 only, as
    1.10 + * published by the Free Software Foundation.  Oracle designates this
    1.11 + * particular file as subject to the "Classpath" exception as provided
    1.12 + * by Oracle in the LICENSE file that accompanied this code.
    1.13 + *
    1.14 + * This code is distributed in the hope that it will be useful, but WITHOUT
    1.15 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    1.16 + * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    1.17 + * version 2 for more details (a copy is included in the LICENSE file that
    1.18 + * accompanied this code).
    1.19 + *
    1.20 + * You should have received a copy of the GNU General Public License version
    1.21 + * 2 along with this work; if not, write to the Free Software Foundation,
    1.22 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
    1.23 + *
    1.24 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
    1.25 + * or visit www.oracle.com if you need additional information or have any
    1.26 + * questions.
    1.27 + */
    1.28 +
    1.29 +package org.apidesign.javap;
    1.30 +
    1.31 +public class TypeArray {
    1.32 +    private static final int CAPACITY_INCREMENT = 16;
    1.33 +
    1.34 +    private int[] types;
    1.35 +    private int size;
    1.36 +
    1.37 +    public void add(final int newType) {
    1.38 +        ensureCapacity(size + 1);
    1.39 +        types[size++] = newType;
    1.40 +    }
    1.41 +
    1.42 +    public void addAll(final int[] newTypes) {
    1.43 +        if (newTypes.length > 0) {
    1.44 +            ensureCapacity(size + newTypes.length);
    1.45 +            arraycopy(newTypes, 0, types, size, newTypes.length);
    1.46 +            size += newTypes.length;
    1.47 +        }
    1.48 +    }
    1.49 +
    1.50 +    public void setAll(final int[] newTypes) {
    1.51 +        if (newTypes.length > 0) {
    1.52 +            ensureCapacity(newTypes.length);
    1.53 +            arraycopy(newTypes, 0, types, 0, newTypes.length);
    1.54 +            size = newTypes.length;
    1.55 +        } else {
    1.56 +            clear();
    1.57 +        }
    1.58 +    }
    1.59 +
    1.60 +    public void setSize(final int newSize) {
    1.61 +        ensureCapacity(newSize);
    1.62 +        size = newSize;
    1.63 +    }
    1.64 +
    1.65 +    public void clear() {
    1.66 +        size = 0;
    1.67 +    }
    1.68 +
    1.69 +    public int getSize() {
    1.70 +        return size;
    1.71 +    }
    1.72 +
    1.73 +    public int get(final int index) {
    1.74 +        return types[index];
    1.75 +    }
    1.76 +
    1.77 +    private void ensureCapacity(final int minCapacity) {
    1.78 +        if ((minCapacity == 0)
    1.79 +                || (types != null) && (minCapacity <= types.length)) {
    1.80 +            return;
    1.81 +        }
    1.82 +
    1.83 +        final int newCapacity =
    1.84 +                ((minCapacity + CAPACITY_INCREMENT - 1) / CAPACITY_INCREMENT)
    1.85 +                    * CAPACITY_INCREMENT;
    1.86 +        final int[] newTypes = new int[newCapacity];
    1.87 +
    1.88 +        if (size > 0) {
    1.89 +            arraycopy(types, 0, newTypes, 0, size);
    1.90 +        }
    1.91 +
    1.92 +        types = newTypes;
    1.93 +    }
    1.94 +
    1.95 +    // no System.arraycopy
    1.96 +    private void arraycopy(final int[] src, final int srcPos,
    1.97 +                           final int[] dest, final int destPos,
    1.98 +                           final int length) {
    1.99 +        for (int i = 0; i < length; ++i) {
   1.100 +            dest[destPos + i] = src[srcPos + i];
   1.101 +        }
   1.102 +    }
   1.103 +}