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/* -*- tab-width: 4 -*-
*
* Electric(tm) VLSI Design System
*
* File: ImmutableArcInst.java
* Written by: Dmitry Nadezhin, Sun Microsystems.
*
* Copyright (c) 2005, 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.ArcProtoId;
import com.sun.electric.database.id.ExportId;
import com.sun.electric.database.id.IdReader;
import com.sun.electric.database.id.IdWriter;
import com.sun.electric.database.id.PortProtoId;
import com.sun.electric.database.id.PrimitivePortId;
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.technology.ArcProto;
import com.sun.electric.technology.TechPool;
import com.sun.electric.technology.Technology;
import com.sun.electric.technology.technologies.Schematics;
import com.sun.electric.util.TextUtils;
import com.sun.electric.util.collections.ImmutableArrayList;
import com.sun.electric.util.math.DBMath;
import com.sun.electric.util.math.ECoord;
import com.sun.electric.util.math.FixpCoord;
import com.sun.electric.util.math.GenMath;
import java.io.IOException;
import java.util.List;
/**
* Immutable class ImmutableArcInst represents an arc instance.
*/
public class ImmutableArcInst extends ImmutableElectricObject {
/** The index of the tail of this ArcInst. */
public static final int TAILEND = 0;
/** The index of the head of this ArcInst. */
public static final int HEADEND = 1;
/** Key of Variable holding arc curvature. */
public static final Variable.Key ARC_RADIUS = Variable.newKey("ARC_radius");
/** Maximal extend of arc over minimal-width arc */
private static final int MAX_EXTEND = Integer.MAX_VALUE / 8;
/**
* Class to access a flag in user bits of ImmutableNodeInst.
*/
public static class Flag {
final int mask;
final char jelibChar;
final boolean jelibDefault;
private Flag(int mask, char jelibChar, boolean jelibDefault) {
this.mask = mask;
this.jelibChar = jelibChar;
this.jelibDefault = jelibDefault;
}
/**
* Returns true if this Flag is set in userBits.
* @param userBits user bits.
* @return true if this Flag is set in userBits;
*/
public boolean is(int userBits) {
return (userBits & mask) != 0;
}
/**
* Updates this flag in userBits.
* @param userBits old user bits.
* @param value new value of flag.
* @return updates userBits.
*/
public int set(int userBits, boolean value) {
return value ? userBits | mask : userBits & ~mask;
}
}
// -------------------------- constants --------------------------------
/** fixed-length arc */
private static final int ELIB_FIXED = 01;
/** fixed-angle arc */
private static final int ELIB_FIXANG = 02;
// /** arc has text that is far away */ private static final int AHASFARTEXT = 04;
// /** arc is not in use */ private static final int DEADA = 020;
/** DISK: angle of arc from end 0 to end 1 */
private static final int ELIB_AANGLE = 037740;
/** DISK: bits of right shift for DISK_AANGLE field */
private static final int ELIB_AANGLESH = 5;
// /** set if arc is to be drawn shortened */ private static final int ASHORT = 040000;
/** set if head end of ArcInst is negated */
private static final int ELIB_ISHEADNEGATED = 0200000;
/** DISK: set if ends do not extend by half width */
private static final int ELIB_NOEXTEND = 0400000;
/** set if tail end of ArcInst is negated */
private static final int ELIB_ISTAILNEGATED = 01000000;
/** DISK: set if arc aims from end 0 to end 1 */
private static final int ELIB_ISDIRECTIONAL = 02000000;
/** DISK: no extension/negation/arrows on end 0 */
private static final int ELIB_NOTEND0 = 04000000;
/** DISK: no extension/negation/arrows on end 1 */
private static final int ELIB_NOTEND1 = 010000000;
/** DISK: reverse extension/negation/arrow ends */
private static final int ELIB_REVERSEEND = 020000000;
/** set if arc can't slide around in ports */
private static final int ELIB_CANTSLIDE = 040000000;
// /** set if fixed arc was changed */ private static final int FIXEDMOD = 0100000000;
// /** only local arcinst re-drawing desired */ private static final int RELOCLA = 01000000000;
// /**transparent arcinst re-draw is done */ private static final int RETDONA = 02000000000;
// /** opaque arcinst re-draw is done */ private static final int REODONA = 04000000000;
// /** general flag for spreading and highlighting */ private static final int ARCFLAGBIT = 010000000000;
/** set if hard to select */
private static final int ELIB_HARDSELECTA = 020000000000;
private static final int TAIL_ARROWED_MASK = 0x001;
private static final int HEAD_ARROWED_MASK = 0x002;
private static final int TAIL_EXTENDED_MASK = 0x004;
private static final int HEAD_EXTENDED_MASK = 0x008;
private static final int TAIL_NEGATED_MASK = 0x010;
private static final int HEAD_NEGATED_MASK = 0x020;
private static final int BODY_ARROWED_MASK = 0x040;
private static final int RIGID_MASK = 0x080;
private static final int FIXED_ANGLE_MASK = 0x100;
private static final int SLIDABLE_MASK = 0x200;
private static final int HARD_SELECT_MASK = 0x400;
private static final int DATABASE_FLAGS = 0x7ff;
private static final int MANHATTAN_MASK = 0x800;
/**
* Flag to set an ImmutableArcInst to be rigid.
* Rigid arcs cannot change length or the angle of their connection to a NodeInst.
*/
public static final Flag RIGID = new Flag(RIGID_MASK, 'R', false);
/**
* Flag to set an ImmutableArcInst to be fixed-angle.
* Fixed-angle arcs cannot change their angle, so if one end moves,
* the other may also adjust to keep the arc angle constant.
*/
public static final Flag FIXED_ANGLE = new Flag(FIXED_ANGLE_MASK, 'F', true);
/**
* Flag to set an ImmutableArcInst to be slidable.
* Arcs that slide will not move their connected NodeInsts if the arc's end is still within the port area.
* Arcs that cannot slide will force their NodeInsts to move by the same amount as the arc.
* Rigid arcs cannot slide but nonrigid arcs use this state to make a decision.
*/
public static final Flag SLIDABLE = new Flag(SLIDABLE_MASK, 'S', false);
/**
* Flag to set an ImmutableArcInst to be directional, with an arrow on the tail.
* Directional arcs have an arrow drawn on them to indicate flow.
* It is only for documentation purposes and does not affect the circuit.
*/
public static final Flag TAIL_ARROWED = new Flag(TAIL_ARROWED_MASK, 'Y', false);
/**
* Flag to set an ImmutableArcInst to be directional, with an arrow on the head.
* Directional arcs have an arrow drawn on them to indicate flow.
* It is only for documentation purposes and does not affect the circuit.
*/
public static final Flag HEAD_ARROWED = new Flag(HEAD_ARROWED_MASK, 'X', false);
/**
* Flag to set an ImmutableArcInst to be directional, with an arrow line drawn down the center.
* Directional arcs have an arrow drawn on them to indicate flow.
* It is only for documentation purposes and does not affect the circuit.
* The body is typically drawn when one of the ends has an arrow on it, but it may be
* drawin without an arrow head in order to continue an attached arc that has an arrow.
*/
public static final Flag BODY_ARROWED = new Flag(BODY_ARROWED_MASK, 'B', false);
/**
* Flag to set the tail of an ImmutableArcInst to be is extended.
* Extended arcs continue past their endpoint by half of their width.
* Most layout arcs want this so that they make clean connections to orthogonal arcs.
*/
public static final Flag TAIL_EXTENDED = new Flag(TAIL_EXTENDED_MASK, 'J', true);
/**
* Flag to set the head of an ImmutableArcInst to be extended.
* Extended arcs continue past their endpoint by half of their width.
* Most layout arcs want this so that they make clean connections to orthogonal arcs.
*/
public static final Flag HEAD_EXTENDED = new Flag(HEAD_EXTENDED_MASK, 'I', true);
/**
* Flag to set the tail of an ImmutableArcInst to be negated.
* Negated arc have a negating bubble on them to indicate negation.
* This is only valid in schematics technologies.
*/
public static final Flag TAIL_NEGATED = new Flag(TAIL_NEGATED_MASK, 'N', false);
/**
* Flag to set the head of an ImmutableArcInst to be negated.
* Negated arc have a negating bubble on them to indicate negation.
* This is only valid in schematics technologies.
*/
public static final Flag HEAD_NEGATED = new Flag(HEAD_NEGATED_MASK, 'G', false);
/**
* Flag to set an ImmutableArcInst to be hard-to-select.
* Hard-to-select ArcInsts cannot be selected by clicking on them.
* Instead, the "special select" command must be given.
*/
public static final Flag HARD_SELECT = new Flag(HARD_SELECT_MASK, 'A', false);
/** initial bits */
public static final int DEFAULT_FLAGS = SLIDABLE.mask | HEAD_EXTENDED.mask | TAIL_EXTENDED.mask;
/** initial factory bits: FIXED_ANGLE=SLIDABLE=TAIL_EXTENDED=HEAD_EXTENDED=true, others false */
public static final int FACTORY_DEFAULT_FLAGS = FIXED_ANGLE.mask | SLIDABLE.mask | HEAD_EXTENDED.mask | TAIL_EXTENDED.mask;
/** prefix for autonaming. */
public static final Name BASENAME = Name.findName("net@0");
public final static ImmutableArcInst[] NULL_ARRAY = {};
public final static ImmutableArrayList EMPTY_LIST = new ImmutableArrayList(NULL_ARRAY);
/** id of this ArcInst in parent. */
public final int arcId;
/** Arc prototype. */
public final ArcProtoId protoId;
/** name of this ImmutableArcInst. */
public final Name name;
/** The text descriptor of name of ImmutableArcInst. */
public final TextDescriptor nameDescriptor;
/** NodeId on tail end of this ImmutableArcInst. */
public final int tailNodeId;
/** PortProtoId on tail end of this ImmutableArcInst. */
public final PortProtoId tailPortId;
/** Location of tail end of this ImmutableArcInst. */
public final EPoint tailLocation;
/** NodeId on head end of this ImmutableArcInst. */
public final int headNodeId;
/** PortProtoId on head end of this ImmutableArcInst. */
public final PortProtoId headPortId;
/** Location of head end of this ImmutableArcInst. */
public final EPoint headLocation;
/** extend of this ImmutableArcInst over minimal-width arc in grid units. */
private final int gridExtendOverMin;
/** Angle if this ImmutableArcInst (in tenth-degrees). */
private final short angle;
/**
* The private constructor of ImmutableArcInst. Use the factory "newInstance" instead.
*
* @param arcId id of this ArcInst in parent.
* @param protoId Id of arc prototype.
* @param name name of this ImmutableArcInst.
* @param nameDescriptor TextDescriptor of name of this ImmutableArcInst.
* @param tailNodeId NodeId on tail end of this ImmutableArcInst.
* @param tailPortProtoId PortProtoId on tail end of this ImmutableArcInst.
* @param tailLocation Location of tail end of this ImmutableArcInst.
* @param headNodeId NodeId on head end of this ImmutableArcInst.
* @param headPortProtoId PortProtoId on head end of this ImmutableArcInst.
* @param headLocation Location of head end of this ImmutableArcInst.
* @param gridExtendOverMin the extend of this ImmutableArcInst over minimal-width arc of this type in grid units.
* @param angle the angle if this ImmutableArcInst (in tenth-degrees).
* @param flags flag bits of this ImmutableArcInst.
* @param vars array of Variables of this ImmutableArcInst
*/
ImmutableArcInst(int arcId, ArcProtoId protoId, Name name, TextDescriptor nameDescriptor,
int tailNodeId, PortProtoId tailPortId, EPoint tailLocation,
int headNodeId, PortProtoId headPortId, EPoint headLocation,
int gridExtendOverMin, short angle, int flags, Variable[] vars) {
super(vars, flags);
this.arcId = arcId;
this.protoId = protoId;
this.name = name;
this.nameDescriptor = nameDescriptor;
this.tailNodeId = tailNodeId;
this.tailPortId = tailPortId;
this.tailLocation = tailLocation;
this.headNodeId = headNodeId;
this.headPortId = headPortId;
this.headLocation = headLocation;
this.gridExtendOverMin = gridExtendOverMin;
this.angle = angle;
}
/**
* Retruns true if this ImmutableArcInst was named by user.
* @return true if this ImmutableArcInst was named by user.
*/
public boolean isUsernamed() {
return !name.isTempname();
}
/**
* Returns extend of this ImmutableArcInst over minimal-width arc of this type as ECoord object.
* @return extend of this ImmutableArcInst over minimal-width arc of this type as ECoord object.
*/
public ECoord getCoordExtendOverMin() {
return ECoord.fromGrid(getGridExtendOverMin());
}
/**
* Returns extend of this ImmutableArcInst over minimal-width arc of this type in lambda units.
* @return extend of this ImmutableArcInst over minimal-width arc of this type in lambda units.
*/
public double getLambdaExtendOverMin() {
return DBMath.gridToLambda(getGridExtendOverMin());
}
/**
* Returns extend of this ImmutableArcInst over minimal-width arc of this type in fixed-point long.
* @return extend of this ImmutableArcInst over minimal-width arc of this type in fixed-point long.
*/
public long getFixpExtendOverMin() {
return gridExtendOverMin << ECoord.FRACTION_BITS;
}
/**
* Returns extend of this ImmutableArcInst over minimal-width arc of this type in grid units.
* @return extend of this ImmutableArcInst over minimal-width arc of this type in grid units.
*/
public long getGridExtendOverMin() {
return gridExtendOverMin;
}
/**
* Returns length of this ImmutableArcInst in lambda units.
* @return length of this ImmutableArcInst in lambda units.
*/
public double getLambdaLength() {
return tailLocation.lambdaDistance(headLocation);
}
/**
* Returns length of this ImmutableArcInst in grid units.
* @return length of this ImmutableArcInst in grid units.
*/
public double getGridLength() {
return tailLocation.gridDistance(headLocation);
}
/**
* Returns true if length of this ImmutableArcInst is zero.
* @return true if length of this ImmutableArcInst is zero.
*/
public boolean isZeroLength() {
return tailLocation.equals(headLocation);
}
/**
* Method to return the rotation angle of this ImmutableArcInst.
* This is an angle of direction from tailLocation to headLocation.
* @return the rotation angle of this ImmutableArcInst (in tenth-degrees).
* Undefined-angle arcs return -1;
*/
public int getAngle() {
return angle;
}
/**
* Method to return the rotation angle of this ImmutableArcInst.
* This is an angle of direction from tailLocation to headLocation.
* @return the rotation angle of this ImmutableArcInst (in tenth-degrees).
* Undefined-angle arcs return 0;
*/
public int getDefinedAngle() {
if (angle == -1) {
return 0;
}
return angle;
}
/**
* Method to return the opposite rotation angle of this ImmutableArcInst.
* This is an angle of direction from headLocation to tailLocation.
* @return the opposite rotation angle of this ImmutableArcInst (in tenth-degrees).
*/
public int getOppositeAngle() {
if (angle == -1) {
return angle;
}
return angle >= 1800 ? angle - 1800 : angle + 1800;
}
/**
* Tests specific flag is set on this ImmutableArcInst.
* @param flag flag selector.
* @return true if specific flag is set,
*/
public boolean is(Flag flag) {
return (flags & flag.mask) != 0;
}
/**
* Method to tell whether this ImmutableArcInst is rigid.
* Rigid arcs cannot change length or the angle of their connection to a NodeInst.
* @return true if this ImmutableArcInst is rigid.
*/
public boolean isRigid() {
return (flags & RIGID_MASK) != 0;
}
/**
* Method to tell whether this ImmutableArcInst is fixed-angle.
* Fixed-angle arcs cannot change their angle, so if one end moves,
* the other may also adjust to keep the arc angle constant.
* @return true if this ImmutableArcInst is fixed-angle.
*/
public boolean isFixedAngle() {
return (flags & FIXED_ANGLE_MASK) != 0;
}
/**
* Method to tell whether this ImmutableArcInst is slidable.
* Arcs that slide will not move their connected NodeInsts if the arc's end is still within the port area.
* Arcs that cannot slide will force their NodeInsts to move by the same amount as the arc.
* Rigid arcs cannot slide but nonrigid arcs use this state to make a decision.
* @return true if this ImmutableArcInst is slidable.
*/
public boolean isSlidable() {
return (flags & SLIDABLE_MASK) != 0;
}
/**
* Method to tell whether this ArcInst is hard-to-select.
* Hard-to-select ArcInsts cannot be selected by clicking on them.
* Instead, the "special select" command must be given.
* @return true if this ArcInst is hard-to-select.
*/
public boolean isHardSelect() {
return (flags & HARD_SELECT_MASK) != 0;
}
/****************************** PROPERTIES ******************************/
/**
* Method to determine whether this ImmutableArcInst is directional, with an arrow on one end.
* Directional arcs have an arrow drawn on them to indicate flow.
* It is only for documentation purposes and does not affect the circuit.
* @param connIndex TAILEND (0) for the tail of this ArcInst, HEADEND (1) for the head.
* @return true if that end has a directional arrow on it.
*/
public boolean isArrowed(int connIndex) {
if ((connIndex & ~1) != 0) {
throw new IllegalArgumentException("Bad end " + connIndex);
}
return ((flags >> connIndex) & TAIL_ARROWED_MASK) != 0;
}
/**
* Method to determine whether this ImmutableArcInst is directional, with an arrow on the tail.
* Directional arcs have an arrow drawn on them to indicate flow.
* It is only for documentation purposes and does not affect the circuit.
* @return true if the arc's tail has a directional arrow on it.
*/
public boolean isTailArrowed() {
return (flags & TAIL_ARROWED_MASK) != 0;
}
/**
* Method to determine whether this ImmutableArcInst is directional, with an arrow on the head.
* Directional arcs have an arrow drawn on them to indicate flow.
* It is only for documentation purposes and does not affect the circuit.
* @return true if the arc's head has a directional arrow on it.
*/
public boolean isHeadArrowed() {
return (flags & HEAD_ARROWED_MASK) != 0;
}
/**
* Method to determine whether this ArcInst is directional, with an arrow line drawn down the center.
* Directional arcs have an arrow drawn on them to indicate flow.
* It is only for documentation purposes and does not affect the circuit.
* The body is typically drawn when one of the ends has an arrow on it, but it may be
* drawin without an arrow head in order to continue an attached arc that has an arrow.
* @return true if the arc's tail has an arrow line on it.
*/
public boolean isBodyArrowed() {
return (flags & BODY_ARROWED_MASK) != 0;
}
/**
* Method to tell whether an end of ImmutableArcInst has its ends extended.
* Extended arcs continue past their endpoint by half of their width.
* Most layout arcs want this so that they make clean connections to orthogonal arcs.
* @param connIndex TAILEND (0) for the tail of this ArcInst, HEADEND (1) for the head.
* @return true if that end of this ArcInst iss extended.
*/
public boolean isExtended(int connIndex) {
if ((connIndex & ~1) != 0) {
throw new IllegalArgumentException("Bad end " + connIndex);
}
return ((flags >> connIndex) & TAIL_EXTENDED_MASK) != 0;
}
/**
* Method to tell whether the tail of this arc is extended.
* Extended arcs continue past their endpoint by half of their width.
* Most layout arcs want this so that they make clean connections to orthogonal arcs.
* @return true if the tail of this arc is extended.
*/
public boolean isTailExtended() {
return (flags & TAIL_EXTENDED_MASK) != 0;
}
/**
* Method to tell whether the head of this arc is extended.
* Extended arcs continue past their endpoint by half of their width.
* Most layout arcs want this so that they make clean connections to orthogonal arcs.
* @return true if the head of this arc is extended.
*/
public boolean isHeadExtended() {
return (flags & HEAD_EXTENDED_MASK) != 0;
}
/**
* Method to tell whether an end of this arc is negated.
* Negated arc have a negating bubble on them to indicate negation.
* This is only valid in schematics technologies.
* @param connIndex TAILEND (0) for the tail of this ArcInst, HEADEND (1) for the head.
* @return true if set that end of this arc is negated.
*/
public boolean isNegated(int connIndex) {
if ((connIndex & ~1) != 0) {
throw new IllegalArgumentException("Bad end " + connIndex);
}
return ((flags >> connIndex) & TAIL_NEGATED_MASK) != 0;
}
/**
* Method to tell whether the tail of this arc is negated.
* Negated arc have a negating bubble on them to indicate negation.
* This is only valid in schematics technologies.
* @return true if set the tail of this arc is negated.
*/
public boolean isTailNegated() {
return (flags & TAIL_NEGATED_MASK) != 0;
}
/**
* Method to tell whether the head of this arc is negated.
* Negated arc have a negating bubble on them to indicate negation.
* This is only valid in schematics technologies.
* @return true if set the head of this arc is negated.
*/
public boolean isHeadNegated() {
return (flags & HEAD_NEGATED_MASK) != 0;
}
/**
* Returns true if this ImmutableArcInst is either horizontal or vertical.
* @return true if this ImmutableArcInst is either horizontal or vertical.
*/
public boolean isManhattan() {
return (flags & MANHATTAN_MASK) != 0;
}
private static int updateManhattan(int flags, EPoint headLocation, EPoint tailLocation, int angle) {
return isManhattan(headLocation, tailLocation, angle) ? flags | MANHATTAN_MASK : flags & ~MANHATTAN_MASK;
}
private static boolean isManhattan(EPoint headLocation, EPoint tailLocation, int angle) {
if (headLocation.getGridX() == tailLocation.getGridX()) {
return headLocation.getGridY() != tailLocation.getGridY()
|| (angle == -1 || angle == 0 || angle == 900 || angle == 1800 || angle == 2700);
} else {
return tailLocation.getGridY() == headLocation.getGridY();
}
}
/**
* Returns new ImmutableArcInst object.
* @param arcId id of this ArcInst in parent.
* @param protoId Id of arc prototype.
* @param name name of this ImmutableArcInst.
* @param nameDescriptor TextDescriptor of name of this ImmutableArcInst.
* @param tailNodeId NodeId on tail end of this ImmutableArcInst.
* @param tailPortId PortProtoId on tail end of this ImmutableArcInst.
* @param tailLocation Location of tail end of this ImmutableArcInst.
* @param headNodeId NodeId on head end of this ImmutableArcInst.
* @param headPortId PortProtoId on head end of this ImmutableArcInst.
* @param headLocation Location of head end of this ImmutableArcInst.
* @param gridExtendOverMin the extend of this ImmutableArcInst over minimal-width arc of this type in grid units.
* @param angle the angle if this ImmutableArcInst (in tenth-degrees).
* @param flags flag bits of this ImmutableNodeInst.
* @return new ImmutableArcInst object.
* @throws NullPointerException if protoType, name, tailPortId, headPortId, tailLocation, headLocation is null.
* @throws IllegalArgumentException if arcId, tailNodeId, headNodeId or name is not valid, or width is bad.
*/
public static ImmutableArcInst newInstance(int arcId, ArcProtoId protoId, Name name, TextDescriptor nameDescriptor,
int tailNodeId, PortProtoId tailPortId, EPoint tailLocation,
int headNodeId, PortProtoId headPortId, EPoint headLocation,
long gridExtendOverMin, int angle, int flags) {
if (arcId < 0) {
throw new IllegalArgumentException("arcId");
}
if (protoId == null) {
throw new NullPointerException("protoId");
}
if (name == null) {
throw new NullPointerException("name");
}
if (!name.isValid() || name.hasEmptySubnames()
|| name.isTempname() && (name.getBasename() != BASENAME || name.isBus())) {
throw new IllegalArgumentException("name");
}
if (nameDescriptor != null) {
nameDescriptor = nameDescriptor.withoutParam();
}
if (tailNodeId < 0) {
throw new IllegalArgumentException("tailNodeId");
}
if (tailPortId == null) {
throw new NullPointerException("tailPortId");
}
if (tailLocation == null) {
throw new NullPointerException("tailLocation");
}
if (headNodeId < 0) {
throw new IllegalArgumentException("headNodeId");
}
if (headPortId == null) {
throw new NullPointerException("headPortId");
}
if (headLocation == null) {
throw new NullPointerException("headLocation");
}
if (gridExtendOverMin <= -MAX_EXTEND || gridExtendOverMin >= MAX_EXTEND) {
throw new IllegalArgumentException("gridExtendOverMin");
}
int intGridExtendOverMin = (int) gridExtendOverMin;
// the value -1 indicates an undefined angle
if (angle < -1 || angle >= 3600) {
throw new IllegalArgumentException("angle");
}
// if (angle != -1)
// {
// angle %= 3600;
// if (angle < 0) {
// angle += 3600;
// }
// }
short shortAngle = updateAngle((short) angle, tailLocation, headLocation);
flags &= DATABASE_FLAGS;
if (!(tailPortId instanceof PrimitivePortId)) {
flags &= ~TAIL_NEGATED_MASK;
}
if (!(headPortId instanceof PrimitivePortId)) {
flags &= ~HEAD_NEGATED_MASK;
}
flags = updateManhattan(flags, headLocation, tailLocation, angle);
return new ImmutableArcInst(arcId, protoId, name, nameDescriptor,
tailNodeId, tailPortId, tailLocation,
headNodeId, headPortId, headLocation,
intGridExtendOverMin, shortAngle, flags, Variable.NULL_ARRAY);
}
/**
* Returns ImmutableArcInst which differs from this ImmutableArcInst by name.
* @param name node name key.
* @return ImmutableArcInst which differs from this ImmutableArcInst by name.
* @throws NullPointerException if name is null
* @throws IllegalArgumentException if name is not valid.
*/
public ImmutableArcInst withName(Name name) {
if (this.name.toString().equals(name.toString())) {
return this;
}
if (name == null) {
throw new NullPointerException("name");
}
if (!name.isValid() || name.hasEmptySubnames() || name.isTempname() && (name.getBasename() != BASENAME || name.isBus())) {
throw new IllegalArgumentException("name");
}
return new ImmutableArcInst(this.arcId, this.protoId, name, this.nameDescriptor,
this.tailNodeId, this.tailPortId, this.tailLocation,
this.headNodeId, this.headPortId, this.headLocation,
this.gridExtendOverMin, this.angle, this.flags, getVars());
}
/**
* Returns ImmutableArcInst which differs from this ImmutableArcInst by name descriptor.
* @param nameDescriptor TextDescriptor of name
* @return ImmutableArcInst which differs from this ImmutableArcInst by name descriptor.
*/
public ImmutableArcInst withNameDescriptor(TextDescriptor nameDescriptor) {
if (nameDescriptor != null) {
nameDescriptor = nameDescriptor.withoutParam();
}
if (this.nameDescriptor == nameDescriptor) {
return this;
}
return new ImmutableArcInst(this.arcId, this.protoId, this.name, nameDescriptor,
this.tailNodeId, this.tailPortId, this.tailLocation,
this.headNodeId, this.headPortId, this.headLocation,
this.gridExtendOverMin, this.angle, this.flags, getVars());
}
/**
* Returns ImmutableArcInst which differs from this ImmutableArcInst by tailLocation and headLocation.
* @param tailLocation new tail location.
* @param headLocation new head location.
* @return ImmutableArcInst which differs from this ImmutableArcInst by tailLocation and headLocation.
* @throws NullPointerException if tailLocation is null.
*/
public ImmutableArcInst withLocations(EPoint tailLocation, EPoint headLocation) {
if (this.tailLocation.equals(tailLocation) && this.headLocation.equals(headLocation)) {
return this;
}
if (tailLocation == null) {
throw new NullPointerException("tailLocation");
}
if (headLocation == null) {
throw new NullPointerException("headLocation");
}
short angle = updateAngle(this.angle, tailLocation, headLocation);
int flags = updateManhattan(this.flags, headLocation, tailLocation, angle);
return new ImmutableArcInst(this.arcId, this.protoId, this.name, this.nameDescriptor,
this.tailNodeId, this.tailPortId, tailLocation,
this.headNodeId, this.headPortId, headLocation,
this.gridExtendOverMin, angle, flags, getVars());
}
/**
* Returns ImmutableArcInst which differs from this ImmutableArcInst by width.
* @param gridExtendOverMin extend of this arc over minimal arc of this type in grid units.
* @return ImmutableArcInst which differs from this ImmutableArcInst by width.
* @throws IllegalArgumentException if gridExtendOverMin is negative.
*/
public ImmutableArcInst withGridExtendOverMin(long gridExtendOverMin) {
if (this.gridExtendOverMin == gridExtendOverMin) {
return this;
}
if (gridExtendOverMin <= -MAX_EXTEND || gridExtendOverMin >= MAX_EXTEND) {
throw new IllegalArgumentException("gridWidth");
}
return new ImmutableArcInst(this.arcId, this.protoId, this.name, this.nameDescriptor,
this.tailNodeId, this.tailPortId, this.tailLocation,
this.headNodeId, this.headPortId, this.headLocation,
(int) gridExtendOverMin, this.angle, this.flags, getVars());
}
/**
* Returns ImmutableArcInst which differs from this ImmutableArcInst by angle.
* For arc with non-zero length returns this ImmutableArcInst
* @param angle angle in tenth-degrees.
* @return ImmutableArcInst which differs from this ImmutableArcInst by user bits.
*/
public ImmutableArcInst withAngle(int angle) {
if (!tailLocation.equals(headLocation)) {
return this;
}
if (angle < -1 || angle >= 3600) {
throw new IllegalArgumentException("angle");
}
// if (angle != -1)
// {
// angle %= 3600;
// if (angle < 0) {
// angle += 3600;
// }
// }
if (this.angle == angle) {
return this;
}
short shortAngle = (short) angle;
int flags = updateManhattan(this.flags, this.headLocation, this.tailLocation, shortAngle);
return new ImmutableArcInst(this.arcId, this.protoId, this.name, this.nameDescriptor,
this.tailNodeId, this.tailPortId, this.tailLocation,
this.headNodeId, this.headPortId, this.headLocation,
this.gridExtendOverMin, shortAngle, flags, getVars());
}
/**
* Returns ImmutableArcInst which differs from this ImmutableArcInst by user bits.
* @param flags flag bits of this ImmutableArcInst.
* @return ImmutableArcInst which differs from this ImmutableArcInst by user bits.
*/
public ImmutableArcInst withFlags(int flags) {
flags &= DATABASE_FLAGS;
if (!(tailPortId instanceof PrimitivePortId)) {
flags &= ~TAIL_NEGATED_MASK;
}
if (!(headPortId instanceof PrimitivePortId)) {
flags &= ~HEAD_NEGATED_MASK;
}
if ((this.flags & DATABASE_FLAGS) == flags) {
return this;
}
flags |= this.flags & MANHATTAN_MASK;
return new ImmutableArcInst(this.arcId, this.protoId, this.name, this.nameDescriptor,
this.tailNodeId, this.tailPortId, this.tailLocation,
this.headNodeId, this.headPortId, this.headLocation,
this.gridExtendOverMin, this.angle, flags, getVars());
}
/**
* Returns ImmutableArcInst which differs from this ImmutableArcInst by flag bit.
* @param flag Flag selector.
* @param value new value of flag.
* @return ImmutableArcInst which differs from this ImmutableArcInst by flag bit.
*/
public ImmutableArcInst withFlag(Flag flag, boolean value) {
return withFlags(flag.set(this.flags, value));
}
/**
* Returns ImmutableArcInst which differs from this ImmutableArcInst by additional Variable.
* If this ImmutableArcInst has Variable with the same key as new, the old variable will not be in new
* ImmutableArcInst.
* @param var additional Variable.
* @return ImmutableArcInst with additional Variable.
* @throws NullPointerException if var is null
*/
public ImmutableArcInst withVariable(Variable var) {
Variable[] vars = arrayWithVariable(var.withParam(false).withInherit(false));
if (this.getVars() == vars) {
return this;
}
return new ImmutableArcInst(this.arcId, this.protoId, this.name, this.nameDescriptor,
this.tailNodeId, this.tailPortId, this.tailLocation,
this.headNodeId, this.headPortId, this.headLocation,
this.gridExtendOverMin, this.angle, this.flags, vars);
}
/**
* Returns ImmutableArcInst which differs from this ImmutableArcInst by removing Variable
* with the specified key. Returns this ImmutableArcInst if it doesn't contain variable with the specified key.
* @param key Variable Key to remove.
* @return ImmutableArcInst without Variable with the specified key.
* @throws NullPointerException if key is null
*/
public ImmutableArcInst withoutVariable(Variable.Key key) {
Variable[] vars = arrayWithoutVariable(key);
if (this.getVars() == vars) {
return this;
}
return new ImmutableArcInst(this.arcId, this.protoId, this.name, this.nameDescriptor,
this.tailNodeId, this.tailPortId, this.tailLocation,
this.headNodeId, this.headPortId, this.headLocation,
this.gridExtendOverMin, this.angle, this.flags, vars);
}
/**
* Returns ImmutableArcInst which differs from this ImmutableArcInst by renamed Ids.
* @param idMapper a map from old Ids to new Ids.
* @return ImmutableArcInst with renamed Ids.
*/
ImmutableArcInst withRenamedIds(IdMapper idMapper) {
Variable[] vars = arrayWithRenamedIds(idMapper);
PortProtoId tailPortId = this.tailPortId;
PortProtoId headPortId = this.headPortId;
if (tailPortId instanceof ExportId) {
tailPortId = idMapper.get((ExportId) tailPortId);
}
if (headPortId instanceof ExportId) {
headPortId = idMapper.get((ExportId) headPortId);
}
if (getVars() == vars && this.tailPortId == tailPortId && this.headPortId == headPortId) {
return this;
}
return new ImmutableArcInst(this.arcId, this.protoId, this.name, this.nameDescriptor,
this.tailNodeId, tailPortId, this.tailLocation,
this.headNodeId, headPortId, this.headLocation,
this.gridExtendOverMin, this.angle, this.flags, vars);
}
private static short updateAngle(short angle, EPoint tailLocation, EPoint headLocation) {
if (tailLocation.equals(headLocation)) {
return angle;
}
return (short) GenMath.figureAngle(headLocation.getGridX() - tailLocation.getGridX(), headLocation.getGridY() - tailLocation.getGridY());
}
/**
* Writes this ImmutableArcInst to IdWriter.
* @param writer where to write.
*/
@Override
void write(IdWriter writer) throws IOException {
writer.writeArcId(arcId);
writer.writeArcProtoId(protoId);
writer.writeNameKey(name);
writer.writeTextDescriptor(nameDescriptor);
writer.writeNodeId(tailNodeId);
writer.writePortProtoId(tailPortId);
writer.writePoint(tailLocation);
writer.writeNodeId(headNodeId);
writer.writePortProtoId(headPortId);
writer.writePoint(headLocation);
writer.writeInt(gridExtendOverMin);
writer.writeShort(angle);
writer.writeInt(flags);
super.write(writer);
}
/**
* Reads ImmutableArcInst from SnapshotReader.
* @param reader where to read.
*/
static ImmutableArcInst read(IdReader reader) throws IOException {
int arcId = reader.readNodeId();
ArcProtoId protoId = reader.readArcProtoId();
Name name = reader.readNameKey();
TextDescriptor nameDescriptor = reader.readTextDescriptor();
int tailNodeId = reader.readNodeId();
PortProtoId tailPortId = reader.readPortProtoId();
EPoint tailLocation = reader.readPoint();
int headNodeId = reader.readNodeId();
PortProtoId headPortId = reader.readPortProtoId();
EPoint headLocation = reader.readPoint();
int gridExtendOverMin = reader.readInt();
short angle = reader.readShort();
int flags = reader.readInt();
boolean hasVars = reader.readBoolean();
Variable[] vars = hasVars ? readVars(reader) : Variable.NULL_ARRAY;
return new ImmutableArcInst(arcId, protoId, name, nameDescriptor,
tailNodeId, tailPortId, tailLocation, headNodeId, headPortId, headLocation, gridExtendOverMin,
updateAngle(angle, tailLocation, headLocation), flags, vars);
}
/**
* Return a hash code value for fields of this object.
* Variables of objects are not compared
*/
@Override
public int hashCodeExceptVariables() {
return arcId;
}
/**
* 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) {
if (this == o) {
return true;
}
if (!(o instanceof ImmutableArcInst)) {
return false;
}
ImmutableArcInst that = (ImmutableArcInst) o;
return this.arcId == that.arcId && this.protoId == that.protoId
&& this.name == that.name && this.nameDescriptor == that.nameDescriptor
&& this.tailNodeId == that.tailNodeId && this.tailPortId == that.tailPortId && this.tailLocation.equals(that.tailLocation)
&& this.headNodeId == that.headNodeId && this.headPortId == that.headPortId && this.headLocation.equals(that.headLocation)
&& this.gridExtendOverMin == that.gridExtendOverMin && this.angle == that.angle && this.flags == that.flags;
}
/**
* Method to fill in an AbstractShapeBuilder a polygon that describes this ImmutableArcInst in grid units.
* The polygon is described by its width, and style.
* The result is in grid units.
*/
public void makeGridBox(long[] gridCoords, boolean tailExtended, boolean headExtended, long gridExtend) {
// make the box
assert gridExtend > 0;
long et = tailExtended ? gridExtend : 0;
long eh = headExtended ? gridExtend : 0;
long m;
long lx, ly, hx, hy;
switch (angle) {
case -1:
case 0:
m = tailLocation.getGridY();
lx = tailLocation.getGridX() - et;
ly = m - gridExtend;
hx = headLocation.getGridX() + eh;
hy = m + gridExtend;
break;
case 900:
m = tailLocation.getGridX();
lx = m - gridExtend;
ly = tailLocation.getGridY() - et;
hx = m + gridExtend;
hy = headLocation.getGridY() + eh;
break;
case 1800:
m = tailLocation.getGridY();
lx = headLocation.getGridX() - eh;
ly = m - gridExtend;
hx = tailLocation.getGridX() + et;
hy = m + gridExtend;
break;
case 2700:
m = tailLocation.getGridX();
lx = m - gridExtend;
ly = headLocation.getGridY() - eh;
hx = m + gridExtend;
hy = tailLocation.getGridY() + et;
break;
default:
throw new AssertionError();
}
gridCoords[0] = lx;
gridCoords[1] = ly;
gridCoords[2] = hx;
gridCoords[3] = hy;
}
/**
* Method to fill in an AbstractShapeBuilder a polygon that describes this ImmutableArcInst in grid units.
* The polygon is described by its width, and style.
* The result is in fixed-point units.
*/
public void makeFixpBox(long[] fixpCoords, boolean tailExtended, boolean headExtended, long gridExtend) {
// make the box
assert gridExtend > 0;
long et = tailExtended ? gridExtend : 0;
long eh = headExtended ? gridExtend : 0;
long m;
long lx, ly, hx, hy;
switch (angle) {
case -1:
case 0:
m = tailLocation.getGridY();
lx = tailLocation.getGridX() - et;
ly = m - gridExtend;
hx = headLocation.getGridX() + eh;
hy = m + gridExtend;
break;
case 900:
m = tailLocation.getGridX();
lx = m - gridExtend;
ly = tailLocation.getGridY() - et;
hx = m + gridExtend;
hy = headLocation.getGridY() + eh;
break;
case 1800:
m = tailLocation.getGridY();
lx = headLocation.getGridX() - eh;
ly = m - gridExtend;
hx = tailLocation.getGridX() + et;
hy = m + gridExtend;
break;
case 2700:
m = tailLocation.getGridX();
lx = m - gridExtend;
ly = headLocation.getGridY() - eh;
hx = m + gridExtend;
hy = tailLocation.getGridY() + et;
break;
default:
throw new AssertionError();
}
fixpCoords[0] = lx << FixpCoord.FRACTION_BITS;
fixpCoords[1] = ly << FixpCoord.FRACTION_BITS;
fixpCoords[2] = hx << FixpCoord.FRACTION_BITS;
fixpCoords[3] = hy << FixpCoord.FRACTION_BITS;
}
/**
* Method to get the curvature radius on this ImmutableArcInst.
* The curvature (used in artwork and round-cmos technologies) lets an arc
* curve.
* @return the curvature radius on this ImmutableArcInst.
* Returns null if there is no curvature information.
*/
public Double getRadius() {
Variable var = getVar(ARC_RADIUS);
if (var == null) {
return null;
}
// get the radius of the circle, check for validity
Object obj = var.getObject();
if (obj instanceof Double) {
return (Double) obj;
}
if (obj instanceof Integer) {
return new Double(((Integer) obj).intValue() / 2000.0);
}
return null;
}
public boolean check(TechPool techPool) {
ArcProto protoType = techPool.getArcProto(protoId);
if (protoType == null) {
return false;
}
if (name.isBus()) {
Technology tech = protoType.getTechnology();
if (!(tech instanceof Schematics) || protoType != ((Schematics) tech).bus_arc) {
return false;
}
}
if (isTailNegated()) {
if (!techPool.getPrimitivePort((PrimitivePortId) tailPortId).isNegatable()) {
return false;
}
if (protoType.getTechnology().isNoNegatedArcs()) {
return false;
}
}
if (isHeadNegated()) {
if (!techPool.getPrimitivePort((PrimitivePortId) headPortId).isNegatable()) {
return false;
}
if (protoType.getTechnology().isNoNegatedArcs()) {
return false;
}
}
return true;
}
/**
* Checks invariant of this ImmutableArcInst.
* @throws AssertionError if invariant is broken.
*/
public void check() {
super.check(false);
assert arcId >= 0;
assert protoId != null;
assert name != null;
assert name.isValid() && !name.hasEmptySubnames();
if (name.isTempname()) {
assert name.getBasename() == BASENAME && !name.isBus();
}
if (nameDescriptor != null) {
assert /*nameDescriptor.isDisplay() &&*/ !nameDescriptor.isParam();
}
assert tailNodeId >= 0;
assert tailPortId != null;
assert tailLocation != null;
assert headNodeId >= 0;
assert headPortId != null;
assert headLocation != null;
assert -MAX_EXTEND < gridExtendOverMin && gridExtendOverMin < MAX_EXTEND;
assert (flags & ~(DATABASE_FLAGS | MANHATTAN_MASK)) == 0;
assert isManhattan() == isManhattan(headLocation, tailLocation, angle);
if (isTailNegated()) {
assert tailPortId instanceof PrimitivePortId;
}
if (isHeadNegated()) {
assert headPortId instanceof PrimitivePortId;
}
assert -1 <= angle && angle < 3600;
if (!tailLocation.equals(headLocation)) {
assert angle == GenMath.figureAngle(headLocation.getGridX() - tailLocation.getGridX(), headLocation.getGridY() - tailLocation.getGridY());
}
}
/**
* Method to compute the "userbits" to use for a given ArcInst.
* The "userbits" are a set of bits that describes constraints and other properties,
* and are stored in ELIB files.
* The negation, directionality, and end-extension must be converted.
* @return the "userbits" for that ArcInst.
*/
public int getElibBits() {
int elibBits = 0;
if (isRigid()) {
elibBits |= ELIB_FIXED;
}
if (isFixedAngle()) {
elibBits |= ELIB_FIXANG;
}
if (!isSlidable()) {
elibBits |= ELIB_CANTSLIDE;
}
if (isHardSelect()) {
elibBits |= ELIB_HARDSELECTA;
}
// adjust bits for extension
if (!isHeadExtended() || !isTailExtended()) {
elibBits |= ELIB_NOEXTEND;
if (isHeadExtended() != isTailExtended()) {
if (isTailExtended()) {
elibBits |= ELIB_NOTEND0;
}
if (isHeadExtended()) {
elibBits |= ELIB_NOTEND1;
}
}
}
// adjust bits for directionality
if (isHeadArrowed() || isTailArrowed() || isBodyArrowed()) {
elibBits |= ELIB_ISDIRECTIONAL;
if (isTailArrowed()) {
elibBits |= ELIB_REVERSEEND;
}
if (!isHeadArrowed() && !isTailArrowed()) {
elibBits |= ELIB_NOTEND1;
}
}
// adjust bits for negation
boolean normalEnd = (elibBits & ELIB_REVERSEEND) == 0;
if (isTailNegated()) {
elibBits |= (normalEnd ? ELIB_ISTAILNEGATED : ELIB_ISHEADNEGATED);
}
if (isHeadNegated()) {
elibBits |= (normalEnd ? ELIB_ISHEADNEGATED : ELIB_ISTAILNEGATED);
}
int elibAngle = (angle + 5) / 10;
if (elibAngle >= 360) {
elibAngle -= 360;
}
return elibBits | (elibAngle << ELIB_AANGLESH);
}
/**
* Method to convert ELIB userbits to database flags.
* The flags are a set of bits that describes constraints and other properties.
* and are stored in ELIB files.
* The negation, directionality, and end-extension must be converted.
* @param elibBits the disk userbits.
* @return the database flags
*/
public static int flagsFromElib(int elibBits) {
int newBits = 0;
if ((elibBits & ELIB_FIXED) != 0) {
newBits |= RIGID.mask;
}
if ((elibBits & ELIB_FIXANG) != 0) {
newBits |= FIXED_ANGLE.mask;
}
if ((elibBits & ELIB_CANTSLIDE) == 0) {
newBits |= SLIDABLE.mask;
}
if ((elibBits & ELIB_HARDSELECTA) != 0) {
newBits |= HARD_SELECT.mask;
}
if ((elibBits & ELIB_ISTAILNEGATED) != 0) {
newBits |= (elibBits & ELIB_REVERSEEND) == 0 ? TAIL_NEGATED.mask : HEAD_NEGATED.mask;
}
if ((elibBits & ELIB_ISHEADNEGATED) != 0) {
newBits |= (elibBits & ELIB_REVERSEEND) == 0 ? HEAD_NEGATED.mask : TAIL_NEGATED.mask;
}
if ((elibBits & ELIB_NOEXTEND) != 0) {
if ((elibBits & ELIB_NOTEND0) != 0) {
newBits |= TAIL_EXTENDED.mask;
}
if ((elibBits & ELIB_NOTEND1) != 0) {
newBits |= HEAD_EXTENDED.mask;
}
} else {
newBits |= (TAIL_EXTENDED.mask | HEAD_EXTENDED.mask);
}
if ((elibBits & ELIB_ISDIRECTIONAL) != 0) {
newBits |= BODY_ARROWED.mask;
if ((elibBits & ELIB_REVERSEEND) == 0) {
if ((elibBits & ELIB_NOTEND1) == 0) {
newBits |= HEAD_ARROWED.mask;
}
} else {
if ((elibBits & ELIB_NOTEND0) == 0) {
newBits |= TAIL_ARROWED.mask;
}
}
}
return newBits;
}
/**
* Get angle from ELIB user bits.
* @param elibBits ELIB user bits.
* @return tech specific bits.
*/
public static int angleFromElib(int elibBits) {
int angle = (elibBits & ELIB_AANGLE) >> ELIB_AANGLESH;
return (angle % 360) * 10;
}
/**
* Searches the arcs for the specified name using the binary
* search algorithm.
* @param arcs a list of ImmutableArcInsts
* @param name the name to be searched.
* @return index of the search name, if it is contained in the arcs;
* otherwise, (-(insertion point) - 1). The
* insertion point is defined as the point at which the
* ImmutableArcInst would be inserted into the list: the index of the first
* element greater than the name, or arcss.size(), if all
* elements in the list are less than the specified name. Note
* that this guarantees that the return value will be >= 0 if
* and only if the ImmutableArcInst is found.
*/
public static int searchByName(List arcs, String name) {
int low = 0;
int high = arcs.size() - 1;
int pick = high; // initially try the last postition
while (low <= high) {
ImmutableArcInst a = arcs.get(pick);
int cmp = TextUtils.STRING_NUMBER_ORDER.compare(a.name.toString(), name);
if (cmp < 0) {
low = pick + 1;
} else if (cmp > 0) {
high = pick - 1;
} else {
return pick; // NodeInst found
}
pick = (low + high) >> 1; // try in a middle
}
return -(low + 1); // NodeInst not found.
}
}
