| /******************************************************************************* |
| * Copyright (c) 2000, 2007 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.debug.internal.ui.views.variables; |
| |
| import org.eclipse.core.runtime.IStatus; |
| import org.eclipse.core.runtime.PlatformObject; |
| import org.eclipse.core.runtime.Status; |
| import org.eclipse.debug.core.DebugException; |
| import org.eclipse.debug.core.ILaunch; |
| import org.eclipse.debug.core.model.IDebugElement; |
| import org.eclipse.debug.core.model.IDebugTarget; |
| import org.eclipse.debug.core.model.IIndexedValue; |
| import org.eclipse.debug.core.model.IValue; |
| import org.eclipse.debug.core.model.IVariable; |
| import org.eclipse.debug.internal.core.IInternalDebugCoreConstants; |
| import org.eclipse.debug.ui.IDebugUIConstants; |
| |
| /** |
| * A variable containing a subset/range of values from an indexed value |
| * (<code>IIndexedValue</code>). |
| */ |
| public class IndexedVariablePartition extends PlatformObject implements IVariable { |
| |
| // the starting offset of this partition, into the associated collection |
| private int fOffset; |
| |
| // the length of this partition |
| private int fLength; |
| |
| // the root variable or expression containing the indexed value |
| private IDebugElement fOriginalVariable; |
| |
| // the indexed value |
| private IIndexedValue fOriginalValue; |
| |
| // sub-range of values |
| private IIndexedValue fValuePartition; |
| |
| private String fName = null; |
| |
| /** |
| * Creates a partition for an indexed value. |
| * |
| * @param variable variable or expression containing the indexed value |
| * @param value indexed value |
| * @param offset beginning offset of this partition (into the value) |
| * @param length the length of this partition |
| */ |
| public IndexedVariablePartition(IDebugElement variable, IIndexedValue value, int offset, int length) { |
| fOriginalVariable = variable; |
| fOriginalValue = value; |
| fOffset = offset; |
| fLength = length; |
| fValuePartition = new IndexedValuePartition(value, offset, length); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.debug.core.model.IVariable#getValue() |
| */ |
| public IValue getValue() { |
| return fValuePartition; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.debug.core.model.IVariable#getName() |
| */ |
| public String getName() { |
| if (fName == null) { |
| StringBuffer buf = new StringBuffer(); |
| buf.append("["); //$NON-NLS-1$ |
| buf.append(fOffset); |
| buf.append("..."); //$NON-NLS-1$ |
| buf.append(fOffset + fLength - 1); |
| buf.append("]"); //$NON-NLS-1$ |
| fName = buf.toString(); |
| } |
| return fName; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.debug.core.model.IVariable#getReferenceTypeName() |
| */ |
| public String getReferenceTypeName() throws DebugException { |
| if (fOriginalVariable instanceof IVariable) { |
| IVariable variable = (IVariable) fOriginalVariable; |
| return variable.getReferenceTypeName(); |
| } |
| return IInternalDebugCoreConstants.EMPTY_STRING; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.debug.core.model.IVariable#hasValueChanged() |
| */ |
| public boolean hasValueChanged() { |
| return false; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.debug.core.model.IDebugElement#getModelIdentifier() |
| */ |
| public String getModelIdentifier() { |
| return fOriginalValue.getModelIdentifier(); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.debug.core.model.IDebugElement#getDebugTarget() |
| */ |
| public IDebugTarget getDebugTarget() { |
| return fOriginalValue.getDebugTarget(); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.debug.core.model.IDebugElement#getLaunch() |
| */ |
| public ILaunch getLaunch() { |
| return fOriginalValue.getLaunch(); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.debug.core.model.IValueModification#setValue(java.lang.String) |
| */ |
| public void setValue(String expression) throws DebugException { |
| throw new DebugException(new Status(IStatus.ERROR, IDebugUIConstants.PLUGIN_ID, IDebugUIConstants.INTERNAL_ERROR, "Value modification not supported for indexed partitions.", null)); //$NON-NLS-1$ |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.debug.core.model.IValueModification#setValue(org.eclipse.debug.core.model.IValue) |
| */ |
| public void setValue(IValue value) throws DebugException { |
| throw new DebugException(new Status(IStatus.ERROR, IDebugUIConstants.PLUGIN_ID, IDebugUIConstants.INTERNAL_ERROR, "Value modification not supported for indexed partitions.", null)); //$NON-NLS-1$ |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.debug.core.model.IValueModification#supportsValueModification() |
| */ |
| public boolean supportsValueModification() { |
| return false; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.debug.core.model.IValueModification#verifyValue(java.lang.String) |
| */ |
| public boolean verifyValue(String expression) { |
| return false; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.debug.core.model.IValueModification#verifyValue(org.eclipse.debug.core.model.IValue) |
| */ |
| public boolean verifyValue(IValue value) { |
| return false; |
| } |
| |
| /* (non-Javadoc) |
| * @see java.lang.Object#equals(java.lang.Object) |
| */ |
| public boolean equals(Object obj) { |
| if (obj instanceof IndexedVariablePartition) { |
| IndexedVariablePartition partition = (IndexedVariablePartition)obj; |
| return fOriginalVariable.equals(partition.fOriginalVariable) && |
| fOffset == partition.fOffset && fLength == partition.fLength; |
| } |
| return false; |
| } |
| |
| /* (non-Javadoc) |
| * @see java.lang.Object#hashCode() |
| */ |
| public int hashCode() { |
| return fOriginalVariable.hashCode() + fOffset; |
| } |
| |
| } |