--- /dev/null
+/* $RCSfile$
+ * $Author: egonw $
+ * $Date: 2005-11-10 09:52:44 -0600 (Thu, 10 Nov 2005) $
+ * $Revision: 4255 $
+ *
+ * Some portions of this file have been modified by Robert Hanson hansonr.at.stolaf.edu 2012-2017
+ * for use in SwingJS via transpilation into JavaScript using Java2Script.
+ *
+ * Copyright (C) 2003-2005 The Jmol Development Team
+ *
+ * Contact: jmol-developers@lists.sf.net
+ *
+ * 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+package javajs.util;
+
+// 4/23/15 BH getComponentType fix
+
+import java.lang.reflect.Array;
+
+import java.util.Arrays;
+import java.util.Hashtable;
+import java.util.Map;
+
+
+final public class AU {
+
+ /**
+ * Very important that this not be used with Int32Array or Float32Array,
+ * because it is not initialize to all zeros in MSIE 9.
+ *
+ * @param array
+ * @param minimumLength
+ * @return array
+ */
+ public static Object ensureLength(Object array, int minimumLength) {
+ return (array != null && getLength(array) >= minimumLength ? array
+ : arrayCopyObject(array, minimumLength));
+ }
+
+ public static String[] ensureLengthS(String[] array, int minimumLength) {
+ return (array != null && array.length >= minimumLength ? array
+ : arrayCopyS(array, minimumLength));
+ }
+
+ public static float[] ensureLengthA(float[] array, int minimumLength) {
+ return (array != null && array.length >= minimumLength ? array: arrayCopyF(array, minimumLength));
+ }
+
+ public static int[] ensureLengthI(int[] array, int minimumLength) {
+ return (array != null && array.length >= minimumLength ? array : arrayCopyI(array, minimumLength));
+ }
+
+ public static short[] ensureLengthShort(short[] array, int minimumLength) {
+ return (array != null && array.length >= minimumLength ? array : arrayCopyShort(array, minimumLength));
+ }
+
+ public static byte[] ensureLengthByte(byte[] array, int minimumLength) {
+ return (array != null && array.length >= minimumLength ? array : arrayCopyByte(array, minimumLength));
+ }
+
+ /**
+ * Very important that this not be used with Int32Array or Float32Array,
+ * because it is not initialized to all zeros in MSIE 9.
+ *
+ * @param array
+ * @return array
+ */
+ public static Object doubleLength(Object array) {
+ return arrayCopyObject(array, (array == null ? 16 : 2 * getLength(array)));
+ }
+
+ public static String[] doubleLengthS(String[] array) {
+ return arrayCopyS(array, (array == null ? 16 : 2 * array.length));
+ }
+
+ public static float[] doubleLengthF(float[] array) {
+ return arrayCopyF(array, (array == null ? 16 : 2 * array.length));
+ }
+
+ public static int[] doubleLengthI(int[] array) {
+ return arrayCopyI(array, (array == null ? 16 : 2 * array.length));
+ }
+
+ public static short[] doubleLengthShort(short[] array) {
+ return arrayCopyShort(array, (array == null ? 16 : 2 * array.length));
+ }
+
+ public static byte[] doubleLengthByte(byte[] array) {
+ return arrayCopyByte(array, (array == null ? 16 : 2 * array.length));
+ }
+
+ public static boolean[] doubleLengthBool(boolean[] array) {
+ return arrayCopyBool(array, (array == null ? 16 : 2 * array.length));
+ }
+
+ public static Object deleteElements(Object array, int firstElement,
+ int nElements) {
+ if (nElements == 0 || array == null)
+ return array;
+ int oldLength = getLength(array);
+ if (firstElement >= oldLength)
+ return array;
+ int n = oldLength - (firstElement + nElements);
+ if (n < 0)
+ n = 0;
+ Object t = newInstanceO(array, firstElement + n);
+ if (firstElement > 0)
+ System.arraycopy(array, 0, t, 0, firstElement);
+ if (n > 0)
+ System.arraycopy(array, firstElement + nElements, t, firstElement, n);
+ return t;
+ }
+
+ /**
+ * note -- cannot copy if array is null! does not copy if length is unchanged
+ *
+ * @param array
+ * @param newLength
+ * @return array
+ */
+ public static Object arrayCopyObject(Object array, int newLength) {
+ int oldLength = (array == null ? -1 : getLength(array));
+ if (newLength < 0) newLength = oldLength;
+ if (newLength == oldLength)
+ return array;
+ /**
+ * @j2sNative
+ *
+ * if (newLength < oldLength) return Clazz.array(-1, array, 0, newLength);
+ */
+ {}
+ Object t = newInstanceO(array, newLength);
+ if (oldLength > 0)
+ System.arraycopy(array, 0, t, 0, oldLength < newLength ? oldLength
+ : newLength);
+ return t;
+
+ }
+
+ /**
+ * Very important that this not be used with Int32Array or Float32Array,
+ * because those need to be initialized to all zeros in MSIE 9, and
+ * MSIE 9 cannot distinguish Int32Array or Float32Array from Array.
+ *
+ * @param array
+ * @param n
+ * @return array
+ */
+ private static Object newInstanceO(Object array, int n) {
+ return Array.newInstance(array.getClass().getComponentType(), n);
+ }
+
+ public static int getLength(Object array) {
+ /**
+ * @j2sNative
+ *
+ * return array.length
+ *
+ */
+ {
+ return Array.getLength(array);
+ }
+ }
+
+ public static String[] arrayCopyS(String[] array, int newLength) {
+ int oldLength = (array == null ? -1 : array.length);
+ if (newLength < 0) newLength = oldLength;
+ /**
+ * @j2sNative
+ *
+ * if (newLength < oldLength) return Clazz.array(-1, array, 0, newLength);
+ */
+ {}
+ String[] t = new String[newLength];
+ if (array != null) {
+ System.arraycopy(array, 0, t, 0, oldLength < newLength ? oldLength
+ : newLength);
+ }
+ return t;
+ }
+
+ public static int[][] arrayCopyII(int[][] array, int newLength) {
+ int[][] t = newInt2(newLength);
+ if (array != null) {
+ int oldLength = array.length;
+ System.arraycopy(array, 0, t, 0, oldLength < newLength ? oldLength
+ : newLength);
+ }
+ return t;
+ }
+
+ public static T3[] arrayCopyPt(T3[] array, int newLength) {
+ if (newLength < 0)
+ newLength = array.length;
+ T3[] t = new T3[newLength];
+ if (array != null) {
+ int oldLength = array.length;
+ System.arraycopy(array, 0, t, 0, oldLength < newLength ? oldLength
+ : newLength);
+ }
+ return t;
+ }
+
+ public static float[] arrayCopyF(float[] array, int newLength) {
+ int oldLength = (array == null ? -1 : array.length);
+ if (newLength < 0) newLength = oldLength;
+ /**
+ * @j2sNative
+ *
+ * if (newLength < oldLength) return Clazz.array(-1, array, 0, newLength);
+ */
+ {}
+ float[] t = new float[newLength];
+ if (array != null) {
+ System.arraycopy(array, 0, t, 0, oldLength < newLength ? oldLength
+ : newLength);
+ }
+ return t;
+ }
+
+ public static int[] arrayCopyI(int[] array, int newLength) {
+ int oldLength = (array == null ? -1 : array.length);
+ if (newLength < 0) newLength = oldLength;
+ /**
+ * @j2sNative
+ *
+ * if (newLength < oldLength) return Clazz.array(-1, array, 0, newLength);
+ */
+ {}
+ int[] t = new int[newLength];
+ if (array != null) {
+ System.arraycopy(array, 0, t, 0, oldLength < newLength ? oldLength
+ : newLength);
+ }
+ return t;
+ }
+
+ /**
+ * a specialized method that allows copying from a starting point either
+ * to the end or to the middle (color schemes, especially)
+ * @param array
+ * @param i0
+ * @param n
+ * @return array or null
+ */
+ public static int[] arrayCopyRangeI(int[] array, int i0, int n) {
+ if (array == null)
+ return null;
+ int oldLength = array.length;
+ if (n == -1) n = oldLength;
+ if (n == -2) n = oldLength / 2;
+ /**
+ * @j2sNative
+ *
+ * return Clazz.array(-1, array, i0, n);
+ *
+ */
+ {
+ n -= i0;
+ int[] t = new int[n];
+ System.arraycopy(array, i0, t, 0, n);
+ return t;
+ }
+ }
+
+ public static int[] arrayCopyRangeRevI(int[] array, int i0, int n) {
+ if (array == null)
+ return null;
+ /**
+ * @j2sNative
+ *
+ * return Clazz.array(-1, array, i0, n).reverse();
+ */
+ {
+ int[] t = arrayCopyRangeI(array, i0, n);
+ if (n < 0)
+ n = array.length;
+ for (int i = n / 2; --i >= 0;)
+ swapInt(t, i, n - 1 - i);
+ return t;
+ }
+ }
+
+ public static short[] arrayCopyShort(short[] array, int newLength) {
+ int oldLength = (array == null ? -1 : array.length);
+ if (newLength < 0) newLength = oldLength;
+ /**
+ * @j2sNative
+ *
+ * if (newLength < oldLength) return Clazz.array(-1, array, 0, newLength);
+ */
+ {}
+ short[] t = new short[newLength];
+ if (array != null) {
+ System.arraycopy(array, 0, t, 0, oldLength < newLength ? oldLength
+ : newLength);
+ }
+ return t;
+ }
+
+ public static byte[] arrayCopyByte(byte[] array, int newLength) {
+ int oldLength = (array == null ? -1 : array.length);
+ if (newLength < 0) newLength = oldLength;
+ /**
+ * @j2sNative
+ *
+ * if (newLength < oldLength) return Clazz.array(-1, array, 0, newLength);
+ */
+ {}
+ byte[] t = new byte[newLength];
+ if (array != null) {
+ System.arraycopy(array, 0, t, 0, oldLength < newLength ? oldLength
+ : newLength);
+ }
+ return t;
+ }
+
+ public static boolean[] arrayCopyBool(boolean[] array, int newLength) {
+ int oldLength = (array == null ? -1 : array.length);
+ if (newLength < 0) newLength = oldLength;
+ /**
+ * @j2sNative
+ *
+ * if (newLength < oldLength) return Clazz.array(-1, array, 0, newLength);
+ */
+ {}
+ boolean[] t = new boolean[newLength];
+ if (array != null) {
+ System.arraycopy(array, 0, t, 0, oldLength < newLength ? oldLength
+ : newLength);
+ }
+ return t;
+ }
+
+ public static void swapInt(int[] array, int indexA, int indexB) {
+ int t = array[indexA];
+ array[indexA] = array[indexB];
+ array[indexB] = t;
+ }
+
+ /*
+ public static void swap(short[] array, int indexA, int indexB) {
+ short t = array[indexA];
+ array[indexA] = array[indexB];
+ array[indexB] = t;
+ }
+
+ public static void swap(float[] array, int indexA, int indexB) {
+ float t = array[indexA];
+ array[indexA] = array[indexB];
+ array[indexB] = t;
+ }
+ */
+
+ public static String dumpArray(String msg, float[][] A, int x1, int x2, int y1, int y2) {
+ String s = "dumpArray: " + msg + "\n";
+ for (int x = x1; x <= x2; x++)
+ s += "\t*" + x + "*";
+ for (int y = y2; y >= y1; y--) {
+ s += "\n*" + y + "*";
+ for (int x = x1; x <= x2; x++)
+ s += "\t" + (x < A.length && y < A[x].length ? A[x][y] : Float.NaN);
+ }
+ return s;
+ }
+
+ public static String dumpIntArray(int[] A, int n) {
+ String str = "";
+ for (int i = 0; i < n; i++)
+ str += " " + A[i];
+ return str;
+ }
+
+ public static String sortedItem(Lst<String> v, int n) {
+ if (v.size() == 0)
+ return null;
+ if (v.size() == 1)
+ return v.get(0);
+ String[] keys = v.toArray(new String[v.size()]);
+ Arrays.sort(keys);
+ return keys[n % keys.length];
+ }
+
+ /**
+ * Helper method for creating a List<Tx>[] without warnings.
+ *
+ * @param <type> Type of objects in the list.
+ * @param size Array size.
+ * @return Array of List<type>
+ */
+ @SuppressWarnings("unchecked")
+ public static <type> Lst<type>[] createArrayOfArrayList(int size) {
+ return new Lst[size];
+ }
+
+ /**
+ * Helper method for creating a Map<K, V>[] without warnings.
+ *
+ * @param <K> Type of object for the keys in the map.
+ * @param <V> Type of object for the values in the map.
+ * @param size Array size.
+ * @return Array of Map<K, V>
+ */
+ @SuppressWarnings("unchecked")
+ public static <K, V> Map<K, V>[] createArrayOfHashtable(int size) {
+ return new Hashtable[size];
+ }
+
+ public static void swap(Object[] o, int i, int j) {
+ Object oi = o[i];
+ o[i] = o[j];
+ o[j] = oi;
+ }
+
+ public static float[][] newFloat2(int n) {
+ return new float[n][];
+ }
+
+ public static boolean[][] newBool2(int n) {
+ return new boolean[n][];
+ }
+
+ public static int[][] newInt2(int n) {
+ return new int[n][];
+ }
+
+ public static int[][][] newInt3(int nx, int ny) {
+ return (ny < 0 ? new int[nx][][] : new int[nx][ny][]);
+ }
+
+ public static float[][][] newFloat3(int nx, int ny) {
+ return (ny < 0 ? new float[nx][][] : new float[nx][ny][]);
+ }
+
+ public static int[][][][] newInt4(int n) {
+ return new int[n][][][];
+ }
+
+ public static short[][] newShort2(int n) {
+ return new short[n][];
+ }
+
+ public static byte[][] newByte2(int n) {
+ return new byte[n][];
+ }
+
+ public static double[][] newDouble2(int n) {
+ return new double[n][];
+ }
+
+ /**
+ * remove all keys from a map that start with given root
+ * @param map
+ * @param root
+ * @return number removed
+ */
+ public static int removeMapKeys(Map<String, ?> map, String root) {
+ Lst<String> list = new Lst<String>();
+ for (String key: map.keySet())
+ if (key.startsWith(root))
+ list.addLast(key);
+ for (int i = list.size(); --i >= 0;)
+ map.remove(list.get(i));
+ return list.size();
+ }
+
+ public static boolean isAS(Object x) {
+ return x instanceof String[];
+ }
+
+ public static boolean isASS(Object x) {
+ return x instanceof String[][];
+ }
+
+ public static boolean isAP(Object x) {
+ return x instanceof T3[];
+ }
+
+ public static boolean isAF(Object x) {
+ return x instanceof float[];
+ }
+
+ public static boolean isAFloat(Object x) {
+ return x instanceof Float[];
+ }
+
+ public static boolean isAD(Object x) {
+ return x instanceof double[];
+ }
+
+ public static boolean isADD(Object x) {
+ return x instanceof double[][];
+ }
+
+ public static boolean isAB(Object x) {
+ return x instanceof byte[];
+ }
+
+ public static boolean isAI(Object x) {
+ return x instanceof int[];
+ }
+
+ public static boolean isAII(Object x) {
+ return (x instanceof int[][]);
+ }
+
+ public static boolean isAFF(Object x) {
+ return x instanceof float[][];
+ }
+
+ public static boolean isAFFF(Object x) {
+ return x instanceof float[][][];
+ }
+
+ /**
+ * Ensure that we have signed and not unsigned bytes coming out of any
+ * process, but particularly out of file reading.
+ *
+ * @param b
+ * @return b
+ */
+ public static byte[] ensureSignedBytes(byte[] b) {
+ if (b != null) {
+ /**
+ * @j2sNative
+ *
+ * for (var i = b.length; --i >= 0;) { var j = b[i] &
+ * 0xFF; if (j >= 0x80) j -= 0x100; b[i] = j; }
+ *
+ */
+ {
+ }
+ }
+ return b;
+ }
+
+
+}
git://source.jalview.org / jalview.git / blobdiff