+++ /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