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// 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!)
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* https://plantuml.com/paypal
*
*
* PlantUML is free software; you can redistribute it and/or modify it
* under the terms of the Revised BSD License.
*
* All rights reserved.
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the University of California, Berkeley nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE REGENTS AND CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
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* 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 BSD license.
*
* The generated images can then be used without any reference to the BSD 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;
import static java.nio.charset.StandardCharsets.UTF_8;
import java.io.BufferedReader;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.PrintStream;
import java.io.UnsupportedEncodingException;
import java.nio.charset.Charset;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import net.sourceforge.plantuml.core.Diagram;
import net.sourceforge.plantuml.core.DiagramDescription;
import net.sourceforge.plantuml.error.PSystemError;
import net.sourceforge.plantuml.preproc.Defines;
import net.sourceforge.plantuml.security.SFile;
public class Pipe {
// ::remove file when __CORE__
// ::remove file when __HAXE__
private final Option option;
private final BufferedReader br;
private final PrintStream ps;
private final Stdrpt stdrpt;
public Pipe(Option option, PrintStream ps, InputStream is, String charset) {
this.option = option;
try {
this.br = new BufferedReader(
new InputStreamReader(is, (charset != null) ? charset : Charset.defaultCharset().name()));
} catch (UnsupportedEncodingException e) {
throw new RuntimeException("Invalid charset provided", e);
}
this.ps = ps;
this.stdrpt = option.getStdrpt();
}
public void managePipe(ErrorStatus error) throws IOException {
final boolean noStdErr = option.isPipeNoStdErr();
for (String source = readFirstDiagram(); source != null; source = readSubsequentDiagram()) {
final Defines defines = option.getDefaultDefines();
final SFile newCurrentDir = option.getFileDir() == null ? null : new SFile(option.getFileDir());
final SourceStringReader sourceStringReader = new SourceStringReader(defines, source, UTF_8,
option.getConfig(), newCurrentDir);
if (option.isComputeurl())
computeUrlForDiagram(sourceStringReader);
else if (option.isSyntax())
syntaxCheckDiagram(sourceStringReader, error);
else if (option.isPipeMap())
createPipeMapForDiagram(sourceStringReader, error);
else
generateDiagram(sourceStringReader, error, noStdErr);
ps.flush();
}
}
private void generateDiagram(SourceStringReader sourceStringReader, ErrorStatus error, boolean noStdErr)
throws IOException {
final OutputStream os = noStdErr ? new ByteArrayOutputStream() : ps;
final DiagramDescription result = sourceStringReader.outputImage(os, option.getImageIndex(),
option.getFileFormatOption());
printInfo(noStdErr ? ps : System.err, sourceStringReader);
if (result != null && "(error)".equalsIgnoreCase(result.getDescription())) {
error.goWithError();
} else {
error.goOk();
if (noStdErr) {
final ByteArrayOutputStream baos = (ByteArrayOutputStream) os;
baos.close();
ps.write(baos.toByteArray());
}
}
if (option.getPipeDelimitor() != null)
ps.println(option.getPipeDelimitor());
}
private void createPipeMapForDiagram(SourceStringReader sourceStringReader, ErrorStatus error) throws IOException {
final String result = sourceStringReader.getCMapData(option.getImageIndex(), option.getFileFormatOption());
// https://forum.plantuml.net/10049/2019-pipemap-diagrams-containing-links-give-zero-exit-code
// We don't check errors
error.goOk();
if (result == null) {
// final CMapData empty = new CMapData();
// ps.println(empty.asString("plantuml"));
ps.println();
} else
ps.println(result);
}
private void computeUrlForDiagram(SourceStringReader sourceStringReader) throws IOException {
for (BlockUml s : sourceStringReader.getBlocks())
ps.println(s.getEncodedUrl());
}
private void syntaxCheckDiagram(SourceStringReader sourceStringReader, ErrorStatus error) {
final Diagram system = sourceStringReader.getBlocks().get(0).getDiagram();
if (system instanceof UmlDiagram) {
error.goOk();
ps.println(((UmlDiagram) system).getUmlDiagramType().name());
ps.println(system.getDescription());
} else if (system instanceof PSystemError) {
error.goWithError();
stdrpt.printInfo(ps, system);
} else {
error.goOk();
ps.println("OTHER");
ps.println(system.getDescription());
}
}
private void printInfo(final PrintStream output, final SourceStringReader sourceStringReader) {
final List blocks = sourceStringReader.getBlocks();
if (blocks.size() == 0)
stdrpt.printInfo(output, null);
else
stdrpt.printInfo(output, blocks.get(0).getDiagram());
}
String readFirstDiagram() throws IOException {
return readSingleDiagram(true);
}
String readSubsequentDiagram() throws IOException {
return readSingleDiagram(false);
}
String readSingleDiagram(boolean unmarkedAllowed) throws IOException {
State state = State.NO_CONTENT;
String expectedEnd = null;
final StringBuilder sb = new StringBuilder();
String line;
while (state != State.COMPLETE && (line = br.readLine()) != null) {
if (line.startsWith("@@@format ")) {
manageFormat(line);
} else {
if (state == State.NO_CONTENT && line.trim().length() > 0)
state = State.START_MARK_NOT_FOUND;
if (state == State.START_MARK_NOT_FOUND && line.startsWith("@start")) {
sb.setLength(0); // discard any previous input
state = State.START_MARK_FOUND;
final Matcher m = Pattern.compile("@start([A-Za-z]*)").matcher(line);
if (m.matches())
expectedEnd = "@end" + m.group(1);
else
expectedEnd = "@end";
} else if (state == State.START_MARK_FOUND && line.startsWith(expectedEnd)) {
state = State.COMPLETE;
}
if (state != State.NO_CONTENT)
sb.append(line).append("\n");
}
}
switch (state) {
case NO_CONTENT:
return null;
case START_MARK_NOT_FOUND:
return (unmarkedAllowed) ? "@startuml\n" + sb.toString() + "@enduml\n" : null;
case START_MARK_FOUND:
return sb.toString() + expectedEnd;
case COMPLETE:
return sb.toString();
default:
throw new IllegalStateException("Unexpected value: " + state);
}
}
void manageFormat(String s) {
s = s.toLowerCase();
if (s.contains("png"))
option.setFileFormatOption(new FileFormatOption(FileFormat.PNG));
else if (s.contains("svg"))
option.setFileFormatOption(new FileFormatOption(FileFormat.SVG));
else if (s.contains("atxt"))
option.setFileFormatOption(new FileFormatOption(FileFormat.ATXT));
else if (s.contains("utxt"))
option.setFileFormatOption(new FileFormatOption(FileFormat.UTXT));
}
enum State {
NO_CONTENT, START_MARK_NOT_FOUND, START_MARK_FOUND, COMPLETE
}
}
