ast.expression.EIdentifier Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of choco-parsers Show documentation
Show all versions of choco-parsers Show documentation
Provide parsers from FlatZinc, XCSP3 and MSP to Choco-solver.
/*
* This file is part of choco-parsers, http://choco-solver.org/
*
* Copyright (c) 2024, IMT Atlantique. All rights reserved.
*
* Licensed under the BSD 4-clause license.
*
* See LICENSE file in the project root for full license information.
*/
package org.chocosolver.parser.flatzinc.ast.expression;
import org.chocosolver.parser.Exit;
import org.chocosolver.parser.flatzinc.ast.Datas;
import org.chocosolver.solver.Model;
import org.chocosolver.solver.variables.BoolVar;
import org.chocosolver.solver.variables.IntVar;
import org.chocosolver.solver.variables.SetVar;
/*
* User : CPRUDHOM
* Mail : cprudhom(a)emn.fr
* Date : 11 janv. 2010
* Since : Choco 2.1.1
*
* Class for identifier expressions definition based on flatzinc-like objects.
*/
public final class EIdentifier extends Expression {
public final String value;
public final Object object;
public EIdentifier(Datas datas, String s) {
super(EType.IDE);
this.value = s;
object = datas.get(value);
}
@Override
public String toString() {
return value;
}
@Override
public int intValue() {
return (Integer) object;
}
@Override
public int[] toIntArray() {
if (bool_arr.isInstance(object)) {
return bools_to_ints((boolean[]) object);
}
return (int[]) object;
}
@Override
public int[][] toIntMatrix() {
if (bool_arr.isInstance(object)) {
return bools_to_ints((boolean[][]) object);
}
return (int[][]) object;
}
@Override
public int[] setValue() {
return (int[]) object;
}
@Override
public int[][] toSetArray() {
return (int[][]) object;
}
@Override
public IntVar intVarValue(Model model) {
if (object instanceof Integer) {
return model.intVar(intValue());
}
return (IntVar) object;
}
@Override
public IntVar[] toIntVarArray(Model model) {
if (object.getClass().isArray()) {
//Can be array of int => array of IntegerConstantVariable
if (int_arr.isInstance(object)) {
int[] values = (int[]) object;
IntVar[] vars = new IntVar[values.length];
for (int i = 0; i < values.length; i++) {
vars[i] = model.intVar(values[i]);
}
return vars;
} else if (bool_arr.isInstance(object)) {
int[] values = bools_to_ints((boolean[]) object);
IntVar[] vars = new IntVar[values.length];
for (int i = 0; i < values.length; i++) {
vars[i] = model.intVar(values[i]);
}
return vars;
}
return (IntVar[]) object;
}
Exit.log();
return null;
}
@Override
public boolean boolValue() {
return (Boolean) object;
}
@Override
public boolean[] toBoolArray() {
return (boolean[]) object;
}
@Override
public BoolVar boolVarValue(Model model) {
if (object instanceof Integer) {
return ((Integer) object == 1) ? model.boolVar(true) : model.boolVar(false);
} else if (object instanceof Boolean) {
return ((Boolean) object) ? model.boolVar(true) : model.boolVar(false);
}
return (BoolVar) object;
}
@Override
public BoolVar[] toBoolVarArray(Model model) {
if (object.getClass().isArray()) {
//Can be array of int => array of IntegerConstantVariable
if (int_arr.isInstance(object)) {
int[] values = (int[]) object;
BoolVar[] vars = new BoolVar[values.length];
for (int i = 0; i < values.length; i++) {
vars[i] = ((Integer) object == 1) ? model.boolVar(true) : model.boolVar(false);
}
return vars;
} else if (bool_arr.isInstance(object)) {
int[] values = bools_to_ints((boolean[]) object);
BoolVar[] vars = new BoolVar[values.length];
for (int i = 0; i < values.length; i++) {
vars[i] = ((Boolean) object) ? model.boolVar(true) : model.boolVar(false);
}
return vars;
}
return (BoolVar[]) object;
}
Exit.log();
return null;
}
private static int[] bools_to_ints(boolean[] bar) {
final int[] values = new int[bar.length];
for (int i = 0; i < bar.length; i++) {
values[i] = bar[i] ? 1 : 0;
}
return values;
}
private static int[][] bools_to_ints(boolean[][] bar) {
final int[][] values = new int[bar.length][];
for (int i = 0; i < bar.length; i++) {
values[i] = new int[bar[i].length];
for (int j = 0; j < bar[i].length; j++) {
values[i][j] = bar[i][j] ? 1 : 0;
}
}
return values;
}
@Override
public SetVar setVarValue(Model solver) {
return (SetVar) object;
}
@Override
public SetVar[] toSetVarArray(Model model) {
if (object.getClass().isArray()) {
//Can be array of int => array of IntegerConstantVariable
if (set_arr.isInstance(object)) {
int[][] values = (int[][]) object;
SetVar[] vars = new SetVar[values.length];
for (int i = 0; i < values.length; i++) {
vars[i] = model.setVar(values[i]);
}
return vars;
}
return (SetVar[]) object;
}
Exit.log();
return null;
}
}