mirror of https://github.com/octoleo/plantuml.git
106 lines
2.8 KiB
Java
106 lines
2.8 KiB
Java
/* ========================================================================
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* PlantUML : a free UML diagram generator
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* ========================================================================
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*
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* Project Info: http://plantuml.com
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*
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* If you like this project or if you find it useful, you can support us at:
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*
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* http://plantuml.com/patreon (only 1$ per month!)
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* http://plantuml.com/paypal
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*
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* This file is part of Smetana.
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* Smetana is a partial translation of Graphviz/Dot sources from C to Java.
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*
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* (C) Copyright 2009-2020, Arnaud Roques
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*
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* This translation is distributed under the same Licence as the original C program.
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*
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* THE ACCOMPANYING PROGRAM IS PROVIDED UNDER THE TERMS OF THIS ECLIPSE PUBLIC
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* LICENSE ("AGREEMENT"). [Eclipse Public License - v 1.0]
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*
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* ANY USE, REPRODUCTION OR DISTRIBUTION OF THE PROGRAM CONSTITUTES
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* RECIPIENT'S ACCEPTANCE OF THIS AGREEMENT.
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*
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* You may obtain a copy of the License at
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*
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* http://www.eclipse.org/legal/epl-v10.html
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*/
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package smetana.core;
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import java.util.ArrayList;
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import java.util.List;
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public class CArray<O> extends UnsupportedC {
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private final Class<O> cl;
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private final List<O> data;
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private final int offset;
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@Override
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public String toString() {
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return "Array " + cl + " offset=" + offset + " [" + data.size() + "]" + data;
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}
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public static <O> CArray<O> ALLOC__(int size, Class<O> cl) {
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final CArray<O> result = new CArray<O>(new ArrayList<O>(), 0, cl);
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result.reallocWithStructure(size);
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return result;
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}
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public static <O> CArray<O> REALLOC__(int size, CArray<O> old, Class<O> cl) {
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if (old == null) {
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return ALLOC__(size, cl);
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}
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old.reallocWithStructure(size);
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return old;
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}
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private CArray(List<O> data, int offset, Class<O> cl) {
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if (offset > 0) {
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// JUtilsDebug.LOG("offset=" + offset);
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}
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this.data = data;
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this.offset = offset;
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this.cl = cl;
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}
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public CArray<O> plus_(int delta) {
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return new CArray<O>(data, offset + delta, cl);
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}
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public int minus_(CArray<O> other) {
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if (this.data != other.data) {
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throw new IllegalArgumentException();
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}
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return this.offset - other.offset;
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}
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public O get__(int i) {
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return data.get(i + offset);
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}
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private void reallocWithStructure(int size) {
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if (offset != 0) {
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throw new IllegalStateException();
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}
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try {
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for (int i = 0; i < size; i++) {
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data.add((O) cl.newInstance());
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}
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} catch (Exception e) {
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e.printStackTrace();
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throw new UnsupportedOperationException();
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}
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}
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}
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