net.sourceforge.plantuml.gitlog.CursorPosition Maven / Gradle / Ivy
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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 Eclipse Public License.
*
* THE ACCOMPANYING PROGRAM IS PROVIDED UNDER THE TERMS OF THIS ECLIPSE PUBLIC
* LICENSE ("AGREEMENT"). [Eclipse Public License - v 1.0]
*
* ANY USE, REPRODUCTION OR DISTRIBUTION OF THE PROGRAM CONSTITUTES
* RECIPIENT'S ACCEPTANCE OF THIS AGREEMENT.
*
* You may obtain a copy of the License at
*
* http://www.eclipse.org/legal/epl-v10.html
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* PlantUML can occasionally display sponsored or advertising messages. Those
* messages are usually generated on welcome or error images and never on
* functional diagrams.
* See https://plantuml.com/professional if you want to remove them
*
* Images (whatever their format : PNG, SVG, EPS...) generated by running PlantUML
* are owned by the author of their corresponding sources code (that is, their
* textual description in PlantUML language). Those images are not covered by
* this EPL license.
*
* The generated images can then be used without any reference to the EPL license.
* It is not even necessary to stipulate that they have been generated with PlantUML,
* although this will be appreciated by the PlantUML team.
*
* There is an exception : if the textual description in PlantUML language is also covered
* by any license, then the generated images are logically covered
* by the very same license.
*
* This is the IGY distribution (Install GraphViz by Yourself).
* You have to install GraphViz and to setup the GRAPHVIZ_DOT environment variable
* (see https://plantuml.com/graphviz-dot )
*
* Icons provided by OpenIconic : https://useiconic.com/open
* Archimate sprites provided by Archi : http://www.archimatetool.com
* Stdlib AWS provided by https://github.com/milo-minderbinder/AWS-PlantUML
* Stdlib Icons provided https://github.com/tupadr3/plantuml-icon-font-sprites
* ASCIIMathML (c) Peter Jipsen http://www.chapman.edu/~jipsen
* ASCIIMathML (c) David Lippman http://www.pierce.ctc.edu/dlippman
* CafeUndZopfli ported by Eugene Klyuchnikov https://github.com/eustas/CafeUndZopfli
* Brotli (c) by the Brotli Authors https://github.com/google/brotli
* Themes (c) by Brett Schwarz https://github.com/bschwarz/puml-themes
* Twemoji (c) by Twitter at https://twemoji.twitter.com/
*
*/
package net.sourceforge.plantuml.gitlog;
public class CursorPosition {
private final int x;
private final int y;
private final GitTextArea source;
public CursorPosition(GitTextArea source, int x, int y) {
this.source = source;
this.x = x;
this.y = y;
}
private String getCurrentLine() {
return source.getLine(y);
}
@Override
public String toString() {
return "(" + (x + 1) + "," + (y + 1) + ")";
}
public CursorPosition move(int dx, int dy) {
return new CursorPosition(source, x + dx, y + dy);
}
public boolean matches(String prefix) {
if (x < 0)
return false;
final String line = getCurrentLine();
if (x > line.length())
return false;
return line.substring(x).startsWith(prefix);
}
public String getCommentInLine() {
final String line = getCurrentLine();
final int x = line.indexOf("*");
if (x == -1)
return null;
final int y = line.indexOf("(", x);
if (y == -1)
return null;
final int z = line.indexOf(")", y);
if (z == -1)
return null;
return line.substring(y + 1, z);
}
public static String getCommitNameInLine(String s) {
final int x = s.indexOf("*");
if (x == -1)
return null;
s = s.replaceAll("[-.*|/\\\\]", "").trim();
final int space = s.indexOf(" ");
if (space == -1)
return s;
final String name = s.substring(0, space);
return name;
}
public String getCommitDefinition() {
return getCommitNameInLine(getCurrentLine().substring(x));
}
public Commit getCommit() {
return new Commit(getCommitDefinition(), this);
}
public CursorPosition getDownFromHere() {
return getDownFromInternal(this);
}
private static CursorPosition getDownFromInternal(CursorPosition current) {
while (true) {
if (current.matches("* "))
return current;
if (current.matches("/") && current.move(-2, 0).matches("_|/")) {
current = current.move(-2, 0);
continue;
}
if (current.matches("_") && current.move(-2, 0).matches("_|_")) {
current = current.move(-2, 0);
continue;
}
if (current.matches("_") && current.move(-2, 1).matches("/")) {
current = current.move(-2, 1);
continue;
}
if (current.matches("|") && current.move(0, 1).matches("* ")) {
current = current.move(0, 1);
continue;
}
if (current.matches("|") && current.move(0, 1).matches("|")) {
current = current.move(0, 1);
continue;
}
if (current.matches("| ") && current.move(0, 1).matches(" \\") && current.move(2, 2).matches("|")) {
current = current.move(2, 2);
continue;
}
if (current.matches("| ") && current.move(0, 1).matches(" \\") && current.move(2, 2).matches("\\")) {
current = current.move(2, 2);
continue;
}
if (current.matches("| ") && current.move(-1, 1).matches("/ ") && current.move(-2, 2).matches("* ")) {
current = current.move(-2, 2);
continue;
}
if (current.matches("| ") && current.move(-3, 1).matches("_|/ ")) {
current = current.move(-3, 1);
continue;
}
if (current.matches("| ") && current.move(-1, 1).matches("/ ") && current.move(-2, 2).matches("| ")) {
current = current.move(-2, 2);
continue;
}
if (current.matches("| ") && current.move(-3, 1).matches("_|/")) {
current = current.move(-3, 1);
continue;
}
if (current.matches("| ") && current.move(0, 1).matches(" \\") && current.move(1, 2).matches("/ ")) {
current = current.move(1, 2);
continue;
}
if (current.matches("| ") && current.move(0, 1).matches(" \\") && current.move(2, 2).matches("* ")) {
current = current.move(2, 2);
continue;
}
if (current.matches("\\ ") && current.move(1, 1).matches("* ")) {
current = current.move(1, 1);
continue;
}
if (current.matches(" \\")) {
current = current.move(2, 1);
continue;
}
if (current.matches("\\ ") && current.move(0, 1).matches("/ ")) {
current = current.move(0, 1);
continue;
}
if (current.matches("\\ ") && current.move(1, 1).matches("\\ ")) {
current = current.move(1, 1);
continue;
}
if (current.matches("\\ ") && current.move(1, 1).matches("|")) {
current = current.move(1, 1);
continue;
}
if (current.matches("/ ") && current.move(-1, 1).matches("/ ")) {
current = current.move(-1, 1);
continue;
}
if (current.matches("/ ") && current.move(-2, 1).matches("/| ")) {
current = current.move(-2, 1);
continue;
}
if (current.matches("/") && current.move(-1, 1).matches("* ")) {
current = current.move(-1, 1);
continue;
}
if (current.matches("/") && current.move(-1, 1).matches("|")) {
current = current.move(-1, 1);
continue;
}
System.err.println("this=" + current);
throw new UnsupportedOperationException(current.toString());
}
}
}