mirror of https://github.com/octoleo/plantuml.git
107 lines
2.8 KiB
Java
107 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: https://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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* https://plantuml.com/patreon (only 1$ per month!)
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* https://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 2009-2024, 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 com.plantuml.api.cheerpj.WasmLog;
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final public class CArrayOfStar<O> extends UnsupportedC {
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private final Object[] 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 offset=" + offset + " [" + data.length + "]" + data;
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}
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private CArrayOfStar(Object data[], int offset) {
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this.data = data;
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this.offset = offset;
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}
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public static <O> CArrayOfStar<O> ALLOC(int size, ZType type) {
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final CArrayOfStar<O> result = new CArrayOfStar<O>(new Object[size], 0);
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return result;
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}
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public static <O> CArrayOfStar<O> REALLOC(int size, CArrayOfStar<O> old, ZType type) {
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if (old == null)
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return ALLOC(size, type);
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if (size <= old.data.length)
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return old;
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if (old.offset != 0)
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throw new IllegalStateException();
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WasmLog.log("Realloc* from " + old.data.length + " to " + size);
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final CArrayOfStar<O> result = ALLOC(size, type);
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System.arraycopy(old.data, 0, result.data, 0, old.data.length);
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return result;
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}
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public int comparePointer_(CArrayOfStar<O> other) {
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if (this.data != other.data)
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throw new IllegalArgumentException();
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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 (O) data[i + offset];
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}
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public void set_(int i, O value) {
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data[i + offset] = value;
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}
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public CArrayOfStar<O> plus_(int delta) {
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return new CArrayOfStar<O>(data, offset + delta);
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}
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public void _swap(int i, int j) {
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if (offset != 0)
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throw new IllegalStateException();
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final Object tmp = data[i];
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data[i] = data[j];
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data[j] = tmp;
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}
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}
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