| /*=============================================================================# |
| # Copyright (c) 2009, 2022 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 java.util.Arrays; |
| |
| import org.eclipse.statet.jcommons.lang.NonNull; |
| import org.eclipse.statet.jcommons.lang.NonNullByDefault; |
| import org.eclipse.statet.jcommons.lang.Nullable; |
| |
| import org.eclipse.statet.rj.data.RCharacterStore; |
| import org.eclipse.statet.rj.data.RJIO; |
| |
| |
| /** |
| * {@link RCharacterStore} supporting long length. |
| */ |
| @NonNullByDefault |
| public class RCharacterFix64Store extends AbstractCharacterStore |
| implements ExternalizableRStore { |
| |
| |
| public static final int SEGMENT_LENGTH= DEFAULT_LONG_DATA_SEGMENT_LENGTH; |
| |
| |
| private final long length; |
| |
| protected final @Nullable String [] @NonNull[] charValues; |
| |
| |
| public RCharacterFix64Store(final long length) { |
| this.length= length; |
| this.charValues= new2dStringArray(length, SEGMENT_LENGTH); |
| for (int i= 0; i < this.charValues.length; i++) { |
| Arrays.fill(this.charValues[i], ""); |
| } |
| } |
| |
| public RCharacterFix64Store(final @Nullable String [] @NonNull[] values) { |
| this.length= check2dArrayLength(values, SEGMENT_LENGTH); |
| this.charValues= values; |
| } |
| |
| |
| public RCharacterFix64Store(final RJIO io, final long length) throws IOException { |
| this.length= length; |
| this.charValues= new2dStringArray(length, SEGMENT_LENGTH); |
| for (int i= 0; i < this.charValues.length; i++) { |
| io.readStringData(this.charValues[i], this.charValues[i].length); |
| } |
| } |
| |
| @Override |
| public void writeExternal(final RJIO io) throws IOException { |
| for (int i= 0; i < this.charValues.length; i++) { |
| io.writeStringData(this.charValues[i], this.charValues[i].length); |
| } |
| } |
| |
| |
| @Override |
| protected final boolean isStructOnly() { |
| return false; |
| } |
| |
| |
| @Override |
| public final long getLength() { |
| return this.length; |
| } |
| |
| @Override |
| public boolean isNA(final int idx) { |
| return (this.charValues[idx / SEGMENT_LENGTH][idx % SEGMENT_LENGTH] == null); |
| } |
| |
| @Override |
| public boolean isNA(final long idx) { |
| return (this.charValues[(int)(idx / SEGMENT_LENGTH)][(int)(idx % SEGMENT_LENGTH)] == null); |
| } |
| |
| @Override |
| public void setNA(final int idx) { |
| this.charValues[idx / SEGMENT_LENGTH][idx % SEGMENT_LENGTH]= null; |
| } |
| |
| @Override |
| public void setNA(final long idx) { |
| this.charValues[(int)(idx / SEGMENT_LENGTH)][(int)(idx % SEGMENT_LENGTH)]= null; |
| } |
| |
| @Override |
| public boolean isMissing(final int idx) { |
| return (this.charValues[idx / SEGMENT_LENGTH][idx % SEGMENT_LENGTH] == null); |
| } |
| |
| @Override |
| public boolean isMissing(final long idx) { |
| return (this.charValues[(int)(idx / SEGMENT_LENGTH)][(int)(idx % SEGMENT_LENGTH)] == null); |
| } |
| |
| @Override |
| @SuppressWarnings("null") |
| public String getChar(final int idx) { |
| return this.charValues[idx / SEGMENT_LENGTH][idx % SEGMENT_LENGTH]; |
| } |
| |
| @Override |
| @SuppressWarnings("null") |
| public String getChar(final long idx) { |
| return this.charValues[(int)(idx / SEGMENT_LENGTH)][(int)(idx % SEGMENT_LENGTH)]; |
| } |
| |
| @Override |
| public void setChar(final int idx, final String value) { |
| // assert (value != null); |
| this.charValues[idx / SEGMENT_LENGTH][idx % SEGMENT_LENGTH]= value; |
| } |
| |
| @Override |
| public void setChar(final long idx, final String value) { |
| // assert (value != null); |
| this.charValues[(int)(idx / SEGMENT_LENGTH)][(int)(idx % SEGMENT_LENGTH)]= value; |
| } |
| |
| |
| @Override |
| public @Nullable String get(final int idx) { |
| if (idx < 0 || idx >= this.length) { |
| throw new IndexOutOfBoundsException(Long.toString(idx)); |
| } |
| return this.charValues[idx / SEGMENT_LENGTH][idx % SEGMENT_LENGTH]; |
| } |
| |
| @Override |
| public @Nullable String get(final long idx) { |
| if (idx < 0 || idx >= this.length) { |
| throw new IndexOutOfBoundsException(Long.toString(idx)); |
| } |
| return this.charValues[(int)(idx / SEGMENT_LENGTH)][(int)(idx % SEGMENT_LENGTH)]; |
| } |
| |
| @Override |
| public @Nullable String [] toArray() { |
| final int l= checkToArrayLength(); |
| final var array= new @Nullable String [l]; |
| for (int i= 0, destIdx= 0; i < this.charValues.length; i++) { |
| final String[] chars= this.charValues[i]; |
| System.arraycopy(chars, 0, array, destIdx, chars.length); |
| destIdx+= chars.length; |
| } |
| return array; |
| } |
| |
| |
| @Override |
| public long indexOfNA(long fromIdx) { |
| if (fromIdx < 0) { |
| fromIdx= 0; |
| } |
| int i= (int)(fromIdx / SEGMENT_LENGTH); |
| int j= (int)(fromIdx % SEGMENT_LENGTH); |
| while (i < this.charValues.length) { |
| final String[] chars= this.charValues[i]; |
| while (j < chars.length) { |
| if (chars[j] == null) { |
| return (i * (long)SEGMENT_LENGTH) + j; |
| } |
| } |
| i++; |
| j= 0; |
| } |
| return -1; |
| } |
| |
| @Override |
| public long indexOf(final @Nullable String character, long fromIdx) { |
| if (character == null) { |
| return -1; |
| } |
| if (fromIdx < 0) { |
| fromIdx= 0; |
| } |
| int i= (int)(fromIdx / SEGMENT_LENGTH); |
| int j= (int)(fromIdx % SEGMENT_LENGTH); |
| while (i < this.charValues.length) { |
| final String[] chars= this.charValues[i]; |
| while (j < chars.length) { |
| if (chars[j] != null && chars[j].equals(character)) { |
| return (i * (long)SEGMENT_LENGTH) + j; |
| } |
| } |
| i++; |
| j= 0; |
| } |
| return -1; |
| } |
| |
| } |