1 // Copyright (c) 2009 The Chromium Authors. All rights reserved.

     2 // Use of this source code is governed by a BSD-style license that can be

     3 // found in the LICENSE file.

     4 

     5 package org.chromium.debug.core.model;

     6 

     7 import java.util.ArrayList;

     8 import java.util.List;

     9 import java.util.SortedMap;

    10 

    11 import org.chromium.sdk.JsArray;

    12 import org.chromium.sdk.JsVariable;

    13 import org.eclipse.debug.core.DebugException;

    14 import org.eclipse.debug.core.model.IIndexedValue;

    15 import org.eclipse.debug.core.model.IVariable;

    16 

    17 /**

    18  * An IIndexedValue implementation for an array element range using a JsArray

    19  * instance.

    20  */

    21 public class ArrayValue extends Value implements IIndexedValue {

    22 

    23   private final IVariable[] elements;

    24 

    25   public ArrayValue(IChromiumDebugTarget debugTarget, JsArray array) {

    26     super(debugTarget, array);

    27     this.elements = createElements();

    28   }

    29 

    30   private IVariable[] createElements() {

    31     SortedMap<Integer, ? extends JsVariable> elements = ((JsArray) getJsValue()).toSparseArray();

    32     List<IVariable> variables = new ArrayList<IVariable>(elements.size());

    33     for (JsVariable jsVar : elements.values()) {

    34       variables.add(new Variable(getDebugTarget(), jsVar, false));

    35     }

    36     return variables.toArray(new IVariable[variables.size()]);

    37   }

    38 

    39   public int getInitialOffset() {

    40     return 0;

    41   }

    42 

    43   public int getSize() throws DebugException {

    44     return elements.length;

    45   }

    46 

    47   public IVariable getVariable(int offset) throws DebugException {

    48     return elements[offset];

    49   }

    50 

    51   public IVariable[] getVariables(int offset, int length) throws DebugException {

    52     IVariable[] result = new IVariable[length];

    53     System.arraycopy(elements, offset, result, 0, length);

    54     return result;

    55   }

    56 

    57   @Override

    58   public IVariable[] getVariables() throws DebugException {

    59     return elements;

    60   }

    61 

    62   @Override

    63   public boolean hasVariables() throws DebugException {

    64     return elements.length > 0;

    65   }

    66 

    67 }