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/* -*- tab-width: 4 -*-
*
* Electric(tm) VLSI Design System
*
* File: ImmutableIconInst.java
* Written by: Dmitry Nadezhin, Sun Microsystems.
*
* Copyright (c) 2008, Oracle and/or its affiliates. All rights reserved.
*
* Electric(tm) is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* Electric(tm) is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Electric(tm); see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
* Boston, Mass 02111-1307, USA.
*/
package com.sun.electric.database;
import com.sun.electric.database.geometry.EPoint;
import com.sun.electric.database.id.CellId;
import com.sun.electric.database.id.IdWriter;
import com.sun.electric.database.id.NodeProtoId;
import com.sun.electric.database.text.Name;
import com.sun.electric.database.variable.TextDescriptor;
import com.sun.electric.database.variable.Variable;
import com.sun.electric.util.collections.ArrayIterator;
import com.sun.electric.util.math.Orientation;
import java.io.IOException;
import java.util.Arrays;
import java.util.Iterator;
/**
*
*/
public class ImmutableIconInst extends ImmutableNodeInst {
/** Parameters of this ImmutableIconInst. */
final Variable[] params;
/**
* The private constructor of ImmutableIconInst. Use the factory "newInstance" instead.
* @param nodeId id of this NodeInst in parent.
* @param protoId the NodeProtoId of which this is an instance.
* @param name name of new ImmutableIconInst.
* @param nameDescriptor TextDescriptor of name of this ImmutableIconInst.
* @param orient Orientation of this ImmutableIconInst.
* @param anchor the anchor location of this ImmutableIconInst.
* @param width the width of this ImmutableIconInst.
* @param height the height of this ImmutableIconInst.
* @param flags flag bits for thisImmutableNdoeIsnt.
* @param techBits tech speicfic bits of this ImmutableIconInst.
* @param protoDescriptor TextDescriptor of prototype name of this ImmutableIconInst
* @param vars array of Variables of this ImmutableIconInst
*/
ImmutableIconInst(int nodeId, NodeProtoId protoId, Name name, TextDescriptor nameDescriptor,
Orientation orient, EPoint anchor, EPoint size,
int flags, byte techBits, TextDescriptor protoDescriptor,
Variable[] vars, ImmutablePortInst[] ports, Variable[] params) {
super(nodeId, protoId, name, nameDescriptor, orient, anchor, size, flags, techBits, protoDescriptor, vars, ports);
this.params = params;
}
/**
* Method to return the Parameter on this ImmuatbleIconInst with a given key.
* @param key the key of the Variable.
* @return the Parameter with that key, or null if there is no such Variable.
* @throws NullPointerException if key is null
*/
public Variable getDefinedParameter(Variable.AttrKey key) {
int paramIndex = searchVar(params, key);
return paramIndex >= 0 ? params[paramIndex] : null;
}
/**
* Method to return an Iterator over all Parameters on this ImmutableIconInst.
* @return an Iterator over all Parameters on this ImmutableIconInst.
*/
public Iterator getDefinedParameters() {
return ArrayIterator.iterator(params);
}
/**
* Method to return the number of Parameters on this ImmutableIconInst.
* @return the number of Parametes on this ImmutableIconInst.
*/
public int getNumDefinedParameters() {
return params.length;
}
// /**
// * Method to return the Parameter by its paramIndex.
// * @param paramIndex index of Parameter.
// * @return the Parameter with given paramIndex.
// * @throws ArrayIndexOutOfBoundesException if paramIndex out of bounds.
// */
// public Variable getParameter(int paramIndex) { return params[paramIndex]; }
/**
* Returns ImmutableIconInst which differs from this ImmutableIconInst by additional parameter.
* If this ImmutableIconInst has parameter with the same key as new, the old variable will not be in new
* ImmutableIconInst.
* @param var additional Variable.
* @return ImmutableIconInst with additional Variable.
* @throws NullPointerException if var is null
*/
public ImmutableIconInst withParam(Variable var) {
if (!var.getTextDescriptor().isParam()) {
throw new IllegalArgumentException("Variable " + var + " is not param");
}
if (searchVar(var.getKey()) >= 0) {
throw new IllegalArgumentException(this + " has variable with the same name as parameter " + var);
}
Variable[] params = arrayWithVariable(this.params, var.withInherit(false));
if (this.params == params) {
return this;
}
return new ImmutableIconInst(this.nodeId, this.protoId, this.name, this.nameDescriptor,
this.orient, this.anchor, this.size, this.flags, this.techBits, this.protoDescriptor,
getVars(), this.ports, params);
}
/**
* Returns ImmutableIconInst which differs from this ImmutableIconInst by removing parameter
* with the specified key. Returns this ImmutableIconInst if it doesn't contain parameter with the specified key.
* @param key Variable Key to remove.
* @return ImmutableIconInst without Variable with the specified key.
* @throws NullPointerException if key is null
*/
public ImmutableIconInst withoutParam(Variable.AttrKey key) {
Variable[] params = arrayWithoutVariable(this.params, key);
if (this.params == params) {
return this;
}
return new ImmutableIconInst(this.nodeId, this.protoId, this.name, this.nameDescriptor,
this.orient, this.anchor, this.size, this.flags, this.techBits, this.protoDescriptor,
getVars(), this.ports, params);
}
/**
* Returns ImmutableIconInst which differs from this ImmutableIconInst by additional Variable.
* If this ImmutableNideInst has Variable with the same key as new, the old variable will not be in new
* ImmutableNodeInst.
* @param var additional Variable.
* @return ImmutableNodeInst with additional Variable.
* @throws NullPointerException if var is null
* @throws IllegalArgumentException if this ImmutableIconInst has a parameter with the same name as new variable
*/
@Override
public ImmutableNodeInst withVariable(Variable var) {
if (var.getTextDescriptor().isParam()) {
throw new IllegalArgumentException("Variable " + var + " is param");
}
if (var.isAttribute() && searchVar(params, var.getKey()) >= 0) {
throw new IllegalArgumentException(var + " is already parameter");
}
return super.withVariable(var);
}
/**
* Returns ImmutableNodeInst which differs from this ImmutableNodeInst by renamed Ids.
* @param idMapper a map from old Ids to new Ids.
* @return ImmutableNodeInst with renamed Ids.
*/
@Override
ImmutableNodeInst withRenamedIds(IdMapper idMapper) {
CellId newProtoId = idMapper.get((CellId) protoId);
if (!newProtoId.isIcon() && params != Variable.NULL_ARRAY) {
throw new IllegalArgumentException("Icon params");
}
return super.withRenamedIds(idMapper);
}
@Override
Variable[] getDefinedParams() {
return params;
}
/**
* Writes this ImmutableIconInst to IdWriter.
* @param writer where to write.
*/
@Override
void write(IdWriter writer) throws IOException {
super.write(writer);
writeVars(params, writer);
}
/**
* Indicates whether fields of other ImmutableElectricObject are equal to fields of this object.
* Variables of objects are not compared.
* @param o other ImmutableElectricObject.
* @return true if fields of objects are equal.
*/
@Override
public boolean equalsExceptVariables(ImmutableElectricObject o) {
return super.equalsExceptVariables(o) && Arrays.equals(params, ((ImmutableIconInst) o).params);
}
/**
* Checks invariant of this ImmutableIconInst.
* @throws AssertionError if invariant is broken.
*/
@Override
public void check() {
super.check();
for (int i = 0; i < params.length; i++) {
Variable param = params[i];
param.check(true, false);
assert param.getTextDescriptor().isParam() && !param.getTextDescriptor().isInherit();
if (i > 0) {
assert params[i - 1].getKey().compareTo(param.getKey()) < 0;
}
assert searchVar(param.getKey()) < 0;
}
if (params.length > 0) {
for (Variable var : getVars()) {
if (var.isAttribute()) {
assert searchVar(params, var.getKey()) < 0;
}
}
} else {
assert params == Variable.NULL_ARRAY;
}
}
}
