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PlantUML is a component that allows to quickly write diagrams from text.
// THIS FILE HAS BEEN GENERATED BY A PREPROCESSOR.
/* +=======================================================================
* |
* | PlantUML : a free UML diagram generator
* |
* +=======================================================================
*
* (C) Copyright 2009-2024, Arnaud Roques
*
* Project Info: https://plantuml.com
*
* If you like this project or if you find it useful, you can support us at:
*
* https://plantuml.com/patreon (only 1$ per month!)
* https://plantuml.com/liberapay (only 1€ per month!)
* https://plantuml.com/paypal
*
*
* PlantUML is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* PlantUML 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 Lesser General Public
* License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library. If not, see getSplitted(StringBounder stringBounder) {
final double valueMaxWidth = Math.abs(maxWidth.getMaxWidth());
if (valueMaxWidth == 0)
return Arrays.asList(stripe);
final List result = new ArrayList<>();
StripeSimpleInternal line = new StripeSimpleInternal(false, stringBounder, stripe.getLHeader());
result.add(line);
final Deque all = new ArrayDeque<>();
for (Atom atom : noHeader())
for (Neutron n : atom.getNeutrons())
all.addLast(n);
if (all.peekLast().getType() != NeutronType.ZWSP_SEPARATOR)
all.addLast(Neutron.zwspSeparator());
while (all.size() > 0) {
final Neutron current = all.removeFirst();
if (current.getType() == NeutronType.ZWSP_SEPARATOR && line.getWidth() > valueMaxWidth) {
all.addFirst(current);
final List removed = line.slightyShorten();
for (int i = removed.size() - 1; i >= 0; i--)
all.addFirst(removed.get(i));
line = new StripeSimpleInternal(true, stringBounder, blank(stripe.getLHeader()));
result.add(line);
} else
line.addNeutron(current);
}
for (Stripe l : result)
((StripeSimpleInternal) l).removeFinalSpaces();
while (result.size() > 1 && ((StripeSimpleInternal) result.get(result.size() - 1)).isWhite())
result.remove(result.size() - 1);
return Collections.unmodifiableList(result);
}
private List noHeader() {
final List atoms = stripe.getAtoms();
if (stripe.getLHeader() == null)
return atoms;
return atoms.subList(1, atoms.size());
}
static class StripeSimpleInternal implements Stripe {
private final boolean removeInitialSpaces;
private final Atom header;
private final List neutrons = new ArrayList<>();
private final StringBounder stringBounder;
private double width;
private StripeSimpleInternal(boolean removeInitialSpaces, StringBounder stringBounder, Atom header) {
this.removeInitialSpaces = removeInitialSpaces;
this.stringBounder = stringBounder;
this.header = header;
if (header != null)
width += header.calculateDimension(stringBounder).getWidth();
}
public double getWidth() {
if (width == -1)
throw new IllegalStateException();
// double width = 0;
// if (header != null)
// width += header.calculateDimension(stringBounder).getWidth();
// for (Neutron n : neutrons)
// width += n.getWidth(stringBounder);
return width;
}
@Override
public String toString() {
if (header != null)
return header.toString() + " " + neutrons;
return neutrons.toString();
}
public List slightyShorten() {
if (neutrons.size() == 0)
throw new IllegalStateException();
final int lastZwsp = lastZwsp();
if (lastZwsp == -1)
return Collections.emptyList();
this.width = -1;
final List removed = new ArrayList(neutrons.subList(lastZwsp, neutrons.size()));
while (neutrons.size() > lastZwsp)
neutrons.remove(neutrons.size() - 1);
return removed;
}
private boolean isWhite() {
for (Neutron n : neutrons)
if (n.getType() != NeutronType.ZWSP_SEPARATOR && n.getType() != NeutronType.SPACE)
return false;
return true;
}
private void removeFinalSpaces() {
while (neutrons.size() > 0 && neutrons.get(0).getType() == NeutronType.ZWSP_SEPARATOR)
neutrons.remove(0);
while (neutrons.size() > 1
&& (last().getType() == NeutronType.SPACE || last().getType() == NeutronType.ZWSP_SEPARATOR))
neutrons.remove(neutrons.size() - 1);
}
private Neutron last() {
return neutrons.get(neutrons.size() - 1);
}
private int lastZwsp() {
for (int i = neutrons.size() - 1; i >= 0; i--)
if (neutrons.get(i).getType() == NeutronType.ZWSP_SEPARATOR)
return i;
return -1;
}
public List getAtoms() {
final List result = new ArrayList<>();
if (header != null)
result.add(header);
for (Neutron n : neutrons)
if (n.getType() != NeutronType.ZWSP_SEPARATOR) {
if (removeInitialSpaces && result.size() == 0 && n.getType() == NeutronType.SPACE)
continue;
result.add(n.asAtom());
}
return Collections.unmodifiableList(result);
}
private void addNeutron(Neutron neutron) {
if (width == -1)
throw new IllegalStateException();
if (neutron.getType() == NeutronType.ZWSP_SEPARATOR && this.neutrons.size() == 0)
return;
if (neutron.getType() == NeutronType.ZWSP_SEPARATOR && this.neutrons.size() > 0
&& last().getType() == NeutronType.ZWSP_SEPARATOR)
return;
if (removeInitialSpaces && this.neutrons.size() == 0 && neutron.getType() == NeutronType.SPACE)
return;
this.neutrons.add(neutron);
this.width += neutron.getWidth(stringBounder);
}
public Atom getLHeader() {
return null;
}
}
private static Atom blank(final Atom header) {
if (header == null)
return null;
return new AbstractAtom() {
public XDimension2D calculateDimension(StringBounder stringBounder) {
return header.calculateDimension(stringBounder);
}
public double getStartingAltitude(StringBounder stringBounder) {
return header.getStartingAltitude(stringBounder);
}
public void drawU(UGraphic ug) {
}
};
}
}