mirror of https://github.com/octoleo/plantuml.git
136 lines
4.2 KiB
Java
136 lines
4.2 KiB
Java
/* ========================================================================
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* PlantUML : a free UML diagram generator
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* ========================================================================
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*
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* (C) Copyright 2009-2023, Arnaud Roques
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*
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* Project Info: http://plantuml.com
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*
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* If you like this project or if you find it useful, you can support us at:
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*
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* http://plantuml.com/patreon (only 1$ per month!)
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* http://plantuml.com/paypal
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*
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* This file is part of PlantUML.
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*
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* PlantUML is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* PlantUML distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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* License for more details.
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*
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* You should have received a copy of the GNU General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
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* USA.
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*
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*
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* Original Author: Arnaud Roques
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*
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*/
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package net.sourceforge.plantuml.tim;
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import static java.nio.charset.StandardCharsets.UTF_8;
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import java.io.BufferedReader;
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import java.io.IOException;
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import java.io.Reader;
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import java.io.UnsupportedEncodingException;
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import net.sourceforge.plantuml.AFile;
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import net.sourceforge.plantuml.StringLocated;
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import net.sourceforge.plantuml.log.Logger;
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import net.sourceforge.plantuml.preproc.FileWithSuffix;
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import net.sourceforge.plantuml.preproc.ImportedFiles;
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import net.sourceforge.plantuml.preproc.ReadLine;
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import net.sourceforge.plantuml.preproc.ReadLineReader;
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import net.sourceforge.plantuml.preproc2.PreprocessorUtils;
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import net.sourceforge.plantuml.security.SURL;
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import net.sourceforge.plantuml.theme.ThemeUtils;
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public class EaterTheme extends Eater {
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private String realName;
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private String name;
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private String from;
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private TContext context;
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private final ImportedFiles importedFiles;
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public EaterTheme(StringLocated s, ImportedFiles importedFiles) {
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super(s);
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this.importedFiles = importedFiles;
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}
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@Override
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public void analyze(TContext context, TMemory memory) throws EaterException, EaterExceptionLocated {
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skipSpaces();
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checkAndEatChar("!theme");
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skipSpaces();
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this.name = this.eatAllToEnd();
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final int x = this.name.toLowerCase().indexOf(" from ");
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if (x != -1) {
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this.from = this.name.substring(x + " from ".length());
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this.name = this.name.substring(0, x);
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this.context = context;
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}
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this.realName = context.applyFunctionsAndVariables(memory, getLineLocation(), this.name);
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}
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public final ReadLine getTheme() throws EaterException {
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if (from == null) {
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final ReadLine reader = ThemeUtils.getReaderTheme(realName);
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if (reader != null)
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return reader;
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try {
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final AFile localFile = importedFiles.getAFile(ThemeUtils.getFilename(realName));
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if (localFile != null && localFile.isOk()) {
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final BufferedReader br = localFile.getUnderlyingFile().openBufferedReader();
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if (br != null)
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return ReadLineReader.create(br, "theme " + realName);
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}
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} catch (IOException e) {
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Logger.error(e);
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}
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throw EaterException.located("Cannot load " + realName);
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} else if (from.startsWith("http://") || from.startsWith("https://")) {
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final SURL url = SURL.create(ThemeUtils.getFullPath(from, realName));
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if (url == null)
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throw EaterException.located("Cannot open URL");
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try {
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return PreprocessorUtils.getReaderInclude(url, getLineLocation(), UTF_8);
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} catch (UnsupportedEncodingException e) {
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Logger.error(e);
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throw EaterException.located("Cannot decode charset");
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}
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}
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try {
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final FileWithSuffix file = context.getFileWithSuffix(from, realName);
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final Reader tmp = file.getReader(UTF_8);
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if (tmp == null)
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throw EaterException.located("No such theme " + realName);
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return ReadLineReader.create(tmp, "theme " + realName);
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} catch (IOException e) {
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Logger.error(e);
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throw EaterException.located("Cannot load " + realName);
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}
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}
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public String getName() {
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return name;
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}
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}
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