| /*=============================================================================# |
| # Copyright (c) 2009, 2020 Stephan Wahlbrink and others. |
| # |
| # This program and the accompanying materials are made available under the |
| # terms of the Eclipse Public License 2.0 which is available at |
| # https://www.eclipse.org/legal/epl-2.0, or the Apache License, Version 2.0 |
| # which is available at https://www.apache.org/licenses/LICENSE-2.0. |
| # |
| # SPDX-License-Identifier: EPL-2.0 OR Apache-2.0 |
| # |
| # Contributors: |
| # Stephan Wahlbrink <sw@wahlbrink.eu> - initial API and implementation |
| #=============================================================================*/ |
| |
| package org.eclipse.statet.rj.data.impl; |
| |
| import java.io.IOException; |
| |
| import org.eclipse.statet.rj.data.RCharacterStore; |
| import org.eclipse.statet.rj.data.RJIO; |
| import org.eclipse.statet.rj.data.RList; |
| import org.eclipse.statet.rj.data.RObject; |
| import org.eclipse.statet.rj.data.RObjectFactory; |
| import org.eclipse.statet.rj.data.RStore; |
| |
| |
| public class RList32Impl extends AbstractRObject |
| implements RList, ExternalizableRObject { |
| |
| |
| private int length; |
| private RObject[] components; // null of RObject.F_NOCHILDREN |
| |
| private String className1; |
| private RCharacter32Store namesAttribute; |
| |
| |
| public RList32Impl(final RObject[] initialComponents, final String[] initialNames) { |
| this(initialComponents, RObject.CLASSNAME_LIST, initialNames, initialComponents.length); |
| } |
| |
| public RList32Impl(final RObject[] initialComponents, final String className1, final String[] initialNames) { |
| this(initialComponents, className1, initialNames, initialComponents.length); |
| } |
| |
| public RList32Impl(final RObject[] initialComponents, final String className1, String[] initialNames, final int length) { |
| this.length= length; |
| this.components= initialComponents; |
| this.className1= className1; |
| if (initialNames == null && initialComponents != null) { |
| initialNames= new String[length]; |
| } |
| this.namesAttribute= (initialNames != null) ? createNamesStore(initialNames) : null; |
| } |
| |
| protected RCharacter32Store createNamesStore(final String[] names) { |
| return new RCharacter32Store(names, this.length); |
| } |
| |
| public RList32Impl(final RObject[] initialComponents, final RCharacter32Store initialNames) { |
| this.components= initialComponents; |
| this.length= this.components.length; |
| this.namesAttribute= initialNames; |
| } |
| |
| public RList32Impl(final RJIO io, final RObjectFactory factory, final int options) throws IOException { |
| //-- special attributes |
| this.className1= ((options & RObjectFactory.O_CLASS_NAME) != 0) ? |
| io.readString() : ((getRObjectType() == RObject.TYPE_DATAFRAME) ? |
| RObject.CLASSNAME_DATAFRAME : RObject.CLASSNAME_LIST); |
| final int l= this.length= checkShortLength( |
| io.readVULong((byte) (options & RObjectFactory.O_LENGTHGRADE_MASK)) ); |
| |
| if ((options & RObjectFactory.O_NO_CHILDREN) != 0) { |
| this.namesAttribute= null; |
| this.components= null; |
| } |
| else { |
| this.namesAttribute= (RCharacter32Store) factory.readNames(io, l); |
| //-- data |
| this.components= new RObject[l]; |
| for (int i= 0; i < l; i++) { |
| this.components[i]= factory.readObject(io); |
| } |
| } |
| //-- attributes |
| if ((options & RObjectFactory.O_WITH_ATTR) != 0) { |
| setAttributes(factory.readAttributeList(io)); |
| } |
| } |
| |
| @Override |
| public void writeExternal(final RJIO io, final RObjectFactory factory) throws IOException { |
| doWriteExternal(io, factory, 0); |
| } |
| protected final void doWriteExternal(final RJIO io, final RObjectFactory factory, int options) throws IOException { |
| final int l= this.length; |
| //-- options |
| options |= io.getVULongGrade(l); |
| if (!this.className1.equals(getDefaultRClassName())) { |
| options |= RObjectFactory.O_CLASS_NAME; |
| } |
| final RList attributes= ((io.flags & RObjectFactory.F_WITH_ATTR) != 0) ? getAttributes() : null; |
| if (attributes != null) { |
| options |= RObjectFactory.O_WITH_ATTR; |
| } |
| if (this.components == null) { |
| options |= RObjectFactory.O_NO_CHILDREN; |
| } |
| io.writeInt(options); |
| //-- special attributes |
| if ((options & RObjectFactory.O_CLASS_NAME) != 0) { |
| io.writeString(this.className1); |
| } |
| io.writeVULong((byte) (options & RObjectFactory.O_LENGTHGRADE_MASK), l); |
| |
| if ((options & RObjectFactory.O_NO_CHILDREN) == 0) { |
| factory.writeNames(this.namesAttribute, io); |
| //-- data |
| for (int i= 0; i < l; i++) { |
| factory.writeObject(this.components[i], io); |
| } |
| } |
| //-- attributes |
| if (attributes != null) { |
| factory.writeAttributeList(attributes, io); |
| } |
| } |
| |
| |
| @Override |
| public byte getRObjectType() { |
| return TYPE_LIST; |
| } |
| |
| protected String getDefaultRClassName() { |
| return RObject.CLASSNAME_LIST; |
| } |
| |
| @Override |
| public final String getRClassName() { |
| return this.className1; |
| } |
| |
| |
| protected int length() { |
| return this.length; |
| } |
| |
| @Override |
| public long getLength() { |
| return this.length; |
| } |
| |
| @Override |
| public final RCharacterStore getNames() { |
| return this.namesAttribute; |
| } |
| |
| @Override |
| public final String getName(final int idx) { |
| if (this.namesAttribute != null) { |
| return this.namesAttribute.getChar(idx); |
| } |
| return null; |
| } |
| |
| @Override |
| public final String getName(final long idx) { |
| if (this.namesAttribute != null) { |
| return this.namesAttribute.getChar(idx); |
| } |
| return null; |
| } |
| |
| @Override |
| public final RObject get(final int idx) { |
| return this.components[idx]; |
| } |
| |
| @Override |
| public final RObject get(final long idx) { |
| if (idx < 0 || idx >= Integer.MAX_VALUE) { |
| throw new IndexOutOfBoundsException(Long.toString(idx)); |
| } |
| return this.components[(int) idx]; |
| } |
| |
| @Override |
| public final RObject get(final String name) { |
| if (this.namesAttribute != null) { |
| final int idx= this.namesAttribute.indexOf(name, 0); |
| if (idx >= 0) { |
| return this.components[idx]; |
| } |
| } |
| return null; |
| } |
| |
| @Override |
| public final RStore<?> getData() { |
| return null; |
| } |
| |
| |
| public boolean set(final int idx, final RObject component) { |
| this.components[idx]= component; |
| return true; |
| } |
| |
| // public boolean set(final long idx, final RObject component) { |
| // if (idx < 0 || idx >= Integer.MAX_VALUE) { |
| // throw new IndexOutOfBoundsException(Long.toString(idx)); |
| // } |
| // this.components[(int) idx]= component; |
| // return true; |
| // } |
| |
| public final boolean set(final String name, final RObject component) { |
| if (component == null) { |
| throw new NullPointerException(); |
| } |
| final int idx= this.namesAttribute.indexOf(name, 0); |
| if (idx >= 0) { |
| set(idx, component); |
| return true; |
| } |
| return false; |
| } |
| |
| public void insert(final int idx, final String name, final RObject component) { |
| if (component == null) { |
| throw new NullPointerException(); |
| } |
| final int[] idxs= new int[] { idx }; |
| this.components= prepareInsert(this.components, this.length, idxs); |
| this.length++; |
| if (name == null) { |
| this.namesAttribute.insertNA(idxs); |
| } |
| else { |
| this.namesAttribute.insertChar(idx, name); |
| } |
| } |
| |
| public void add(final String name, final RObject component) { |
| insert(this.length, name, component); |
| } |
| |
| public void remove(final int idx) { |
| final int[] idxs= new int[] { idx }; |
| this.components= remove(this.components, this.length, idxs); |
| this.length--; |
| this.namesAttribute.remove(idxs); |
| } |
| |
| |
| @Override |
| public String toString() { |
| final StringBuilder sb= new StringBuilder(); |
| sb.append("RObject type=RList, class=").append(getRClassName()); |
| sb.append("\n\tlength=").append(this.length); |
| if (this.components != null) { |
| sb.append("\n\tdata: "); |
| for (int i= 0; i < this.length; i++) { |
| if (i > 100) { |
| sb.append("\n... "); |
| break; |
| } |
| if (this.namesAttribute == null || this.namesAttribute.isNA(i)) { |
| sb.append("\n[[").append((i + 1)).append("]]\n"); |
| } |
| else { |
| sb.append("\n$").append(this.namesAttribute.getChar(i)).append("\n"); |
| } |
| sb.append(this.components[i]); |
| } |
| } |
| else { |
| sb.append("\n<NODATA/>"); |
| } |
| return sb.toString(); |
| } |
| |
| } |