mirror of https://github.com/octoleo/plantuml.git
250 lines
6.5 KiB
Java
250 lines
6.5 KiB
Java
/* ========================================================================
|
|
* PlantUML : a free UML diagram generator
|
|
* ========================================================================
|
|
*
|
|
* (C) Copyright 2009-2017, Arnaud Roques
|
|
*
|
|
* Project Info: http://plantuml.com
|
|
*
|
|
* If you like this project or if you find it useful, you can support us at:
|
|
*
|
|
* http://plantuml.com/patreon (only 1$ per month!)
|
|
* http://plantuml.com/paypal
|
|
*
|
|
* This file is part of PlantUML.
|
|
*
|
|
* PlantUML 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.
|
|
*
|
|
* 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 General Public
|
|
* License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public
|
|
* License along with this library; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
|
|
* USA.
|
|
*
|
|
*
|
|
* Original Author: Arnaud Roques
|
|
*
|
|
*
|
|
*/
|
|
package net.sourceforge.plantuml.command;
|
|
|
|
import java.util.ArrayList;
|
|
import java.util.Arrays;
|
|
import java.util.Collections;
|
|
import java.util.Iterator;
|
|
import java.util.List;
|
|
|
|
import net.sourceforge.plantuml.BackSlash;
|
|
import net.sourceforge.plantuml.StringUtils;
|
|
import net.sourceforge.plantuml.cucadiagram.Display;
|
|
|
|
public class BlocLines implements Iterable<CharSequence> {
|
|
|
|
private List<CharSequence> lines;
|
|
|
|
@Override
|
|
public String toString() {
|
|
return lines.toString();
|
|
}
|
|
|
|
private BlocLines(List<? extends CharSequence> lines) {
|
|
this.lines = (List<CharSequence>) Collections.unmodifiableList(lines);
|
|
}
|
|
|
|
public Display toDisplay() {
|
|
return Display.create(lines);
|
|
}
|
|
|
|
public static BlocLines single(CharSequence single) {
|
|
return new BlocLines(Arrays.asList(single));
|
|
}
|
|
|
|
public static BlocLines getWithNewlines(CharSequence s) {
|
|
return new BlocLines(BackSlash.getWithNewlines(s));
|
|
}
|
|
|
|
public BlocLines() {
|
|
this(new ArrayList<CharSequence>());
|
|
}
|
|
|
|
public BlocLines add2(CharSequence s) {
|
|
final List<CharSequence> copy = new ArrayList<CharSequence>(lines);
|
|
copy.add(s);
|
|
return new BlocLines(copy);
|
|
}
|
|
|
|
public List<CharSequence> getLines() {
|
|
return lines;
|
|
}
|
|
|
|
public int size() {
|
|
return lines.size();
|
|
}
|
|
|
|
public CharSequence get499(int i) {
|
|
return lines.get(i);
|
|
}
|
|
|
|
public CharSequence getFirst499() {
|
|
if (lines.size() == 0) {
|
|
return null;
|
|
}
|
|
return lines.get(0);
|
|
}
|
|
|
|
public CharSequence getLast499() {
|
|
return lines.get(lines.size() - 1);
|
|
}
|
|
|
|
public BlocLines cleanList2(MultilinesStrategy strategy) {
|
|
final List<CharSequence> copy = new ArrayList<CharSequence>(lines);
|
|
strategy.cleanList(copy);
|
|
return new BlocLines(copy);
|
|
}
|
|
|
|
public BlocLines trim(boolean removeEmptyLines) {
|
|
final List<CharSequence> copy = new ArrayList<CharSequence>(lines);
|
|
for (int i = 0; i < copy.size(); i++) {
|
|
final CharSequence s = copy.get(i);
|
|
copy.set(i, StringUtils.trin(s));
|
|
}
|
|
if (removeEmptyLines) {
|
|
for (final Iterator<CharSequence> it = copy.iterator(); it.hasNext();) {
|
|
if (it.next().length() == 0) {
|
|
it.remove();
|
|
}
|
|
}
|
|
}
|
|
return new BlocLines(copy);
|
|
}
|
|
|
|
public BlocLines removeEmptyColumns() {
|
|
if (firstColumnRemovable(lines) == false) {
|
|
return this;
|
|
}
|
|
final List<CharSequence> copy = new ArrayList<CharSequence>(lines);
|
|
do {
|
|
for (int i = 0; i < copy.size(); i++) {
|
|
final CharSequence s = copy.get(i);
|
|
if (s.length() > 0) {
|
|
copy.set(i, s.subSequence(1, s.length()));
|
|
}
|
|
}
|
|
} while (firstColumnRemovable(copy));
|
|
return new BlocLines(copy);
|
|
}
|
|
|
|
private static boolean firstColumnRemovable(List<CharSequence> data) {
|
|
boolean allEmpty = true;
|
|
for (CharSequence s : data) {
|
|
if (s.length() == 0) {
|
|
continue;
|
|
}
|
|
allEmpty = false;
|
|
final char c = s.charAt(0);
|
|
if (c != ' ' && c != '\t') {
|
|
return false;
|
|
}
|
|
}
|
|
return allEmpty == false;
|
|
}
|
|
|
|
public char getLastChar() {
|
|
final CharSequence s = lines.get(lines.size() - 1);
|
|
return s.charAt(s.length() - 1);
|
|
}
|
|
|
|
public BlocLines removeStartingAndEnding2(String data) {
|
|
if (lines.size() == 0) {
|
|
return this;
|
|
}
|
|
final List<CharSequence> copy = new ArrayList<CharSequence>(lines);
|
|
copy.set(0, data);
|
|
final int n = copy.size() - 1;
|
|
final CharSequence s = copy.get(n);
|
|
copy.set(n, s.subSequence(0, s.length() - 1));
|
|
return new BlocLines(copy);
|
|
}
|
|
|
|
public BlocLines toSingleLineWithHiddenNewLine() {
|
|
final StringBuilder sb = new StringBuilder();
|
|
for (CharSequence line : lines) {
|
|
sb.append(line);
|
|
sb.append(BackSlash.hiddenNewLine());
|
|
}
|
|
return single(sb.substring(0, sb.length() - 1));
|
|
}
|
|
|
|
public BlocLines trimSmart(int referenceLine) {
|
|
if (lines.size() <= referenceLine) {
|
|
return this;
|
|
}
|
|
final List<CharSequence> copy = new ArrayList<CharSequence>(lines);
|
|
final int nbStartingSpace = nbStartingSpace(copy.get(referenceLine));
|
|
for (int i = referenceLine; i < copy.size(); i++) {
|
|
final CharSequence s = copy.get(i);
|
|
copy.set(i, removeStartingSpaces(s, nbStartingSpace));
|
|
}
|
|
return new BlocLines(copy);
|
|
}
|
|
|
|
private static int nbStartingSpace(CharSequence s) {
|
|
int nb = 0;
|
|
while (nb < s.length() && isSpaceOrTab(s.charAt(nb))) {
|
|
nb++;
|
|
}
|
|
return nb;
|
|
}
|
|
|
|
private static boolean isSpaceOrTab(char c) {
|
|
return c == ' ' || c == '\t';
|
|
}
|
|
|
|
private static CharSequence removeStartingSpaces(CharSequence arg, int nbStartingSpace) {
|
|
if (arg.length() == 0) {
|
|
return arg;
|
|
}
|
|
int i = 0;
|
|
while (i < nbStartingSpace && i < arg.length() && isSpaceOrTab(arg.charAt(i))) {
|
|
i++;
|
|
}
|
|
if (i == 0) {
|
|
return arg;
|
|
}
|
|
return arg.subSequence(i, arg.length());
|
|
}
|
|
|
|
public BlocLines subExtract(int start, int end) {
|
|
List<CharSequence> copy = new ArrayList<CharSequence>(lines);
|
|
copy = copy.subList(start, copy.size() - end);
|
|
return new BlocLines(copy);
|
|
}
|
|
|
|
public Iterator<CharSequence> iterator() {
|
|
return lines.iterator();
|
|
}
|
|
|
|
public BlocLines eventuallyMoveBracket() {
|
|
if (size() < 2) {
|
|
return this;
|
|
}
|
|
final String first = StringUtils.trin(getFirst499());
|
|
final String second = StringUtils.trin(get499(1));
|
|
if (first.endsWith("{") == false && second.equals("{")) {
|
|
final String vline = first + " {";
|
|
final List<CharSequence> result = new ArrayList<CharSequence>();
|
|
result.add(vline);
|
|
result.addAll(this.lines.subList(2, this.lines.size()));
|
|
return new BlocLines(result);
|
|
}
|
|
return this;
|
|
}
|
|
}
|