mirror of https://github.com/octoleo/plantuml.git
144 lines
4.7 KiB
Java
144 lines
4.7 KiB
Java
/* ========================================================================
|
|
* PlantUML : a free UML diagram generator
|
|
* ========================================================================
|
|
*
|
|
* (C) Copyright 2009-2023, 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
|
|
* Modified by: Nicolas Jouanin
|
|
*
|
|
*
|
|
*/
|
|
package net.sourceforge.plantuml.preproc2;
|
|
|
|
import java.io.IOException;
|
|
import java.io.InputStream;
|
|
import java.io.InputStreamReader;
|
|
import java.io.UnsupportedEncodingException;
|
|
import java.nio.charset.Charset;
|
|
import java.util.regex.Matcher;
|
|
import java.util.regex.Pattern;
|
|
|
|
import net.sourceforge.plantuml.LineLocation;
|
|
import net.sourceforge.plantuml.Log;
|
|
import net.sourceforge.plantuml.StringLocated;
|
|
import net.sourceforge.plantuml.StringUtils;
|
|
import net.sourceforge.plantuml.log.Logger;
|
|
import net.sourceforge.plantuml.preproc.ReadLine;
|
|
import net.sourceforge.plantuml.preproc.ReadLineReader;
|
|
import net.sourceforge.plantuml.preproc.ReadLineSimple;
|
|
import net.sourceforge.plantuml.preproc.StartDiagramExtractReader;
|
|
import net.sourceforge.plantuml.preproc.Stdlib;
|
|
import net.sourceforge.plantuml.security.SURL;
|
|
import net.sourceforge.plantuml.tim.EaterException;
|
|
|
|
public class PreprocessorUtils {
|
|
|
|
public static String withEnvironmentVariable(String s) {
|
|
final Pattern p = Pattern.compile("%(\\w+)%");
|
|
|
|
final Matcher m = p.matcher(s);
|
|
final StringBuffer sb = new StringBuffer(); // Can't be switched to StringBuilder in order to support Java 8
|
|
while (m.find()) {
|
|
final String var = m.group(1);
|
|
final String value = getenv(var);
|
|
if (value != null) {
|
|
m.appendReplacement(sb, Matcher.quoteReplacement(value));
|
|
}
|
|
}
|
|
m.appendTail(sb);
|
|
s = sb.toString();
|
|
return s;
|
|
}
|
|
|
|
public static String getenv(String var) {
|
|
final String env = System.getProperty(var);
|
|
if (StringUtils.isNotEmpty(env)) {
|
|
return StringUtils.eventuallyRemoveStartingAndEndingDoubleQuote(env);
|
|
}
|
|
final String getenv = System.getenv(var);
|
|
if (StringUtils.isNotEmpty(getenv)) {
|
|
return StringUtils.eventuallyRemoveStartingAndEndingDoubleQuote(getenv);
|
|
}
|
|
return null;
|
|
}
|
|
|
|
private static InputStream getStdlibInputStream(String filename) {
|
|
final InputStream result = Stdlib.getResourceAsStream(filename);
|
|
// Log.info("Loading sdlib " + filename + " ok");
|
|
return result;
|
|
}
|
|
|
|
public static ReadLine getReaderStdlibInclude(StringLocated s, String filename) {
|
|
Log.info("Loading sdlib " + filename);
|
|
InputStream is = getStdlibInputStream(filename);
|
|
if (is == null) {
|
|
return null;
|
|
}
|
|
final String description = "<" + filename + ">";
|
|
try {
|
|
if (StartDiagramExtractReader.containsStartDiagram(is, s, description)) {
|
|
is = getStdlibInputStream(filename);
|
|
return StartDiagramExtractReader.build(is, s, description);
|
|
}
|
|
is = getStdlibInputStream(filename);
|
|
if (is == null) {
|
|
return null;
|
|
}
|
|
return ReadLineReader.create(new InputStreamReader(is), description);
|
|
} catch (IOException e) {
|
|
Logger.error(e);
|
|
return new ReadLineSimple(s, e.toString());
|
|
}
|
|
}
|
|
|
|
public static ReadLine getReaderIncludeUrl(final SURL url, StringLocated s, String suf, Charset charset)
|
|
throws EaterException {
|
|
try {
|
|
if (StartDiagramExtractReader.containsStartDiagram(url, s, charset)) {
|
|
return StartDiagramExtractReader.build(url, s, suf, charset);
|
|
}
|
|
return getReaderInclude(url, s.getLocation(), charset);
|
|
} catch (IOException e) {
|
|
Logger.error(e);
|
|
throw EaterException.located("Cannot open URL " + e.getMessage());
|
|
}
|
|
|
|
}
|
|
|
|
public static ReadLine getReaderInclude(SURL url, LineLocation lineLocation, Charset charset)
|
|
throws EaterException, UnsupportedEncodingException {
|
|
final InputStream is = url.openStream();
|
|
if (is == null) {
|
|
throw EaterException.located("Cannot open URL");
|
|
}
|
|
return ReadLineReader.create(new InputStreamReader(is, charset), url.toString(), lineLocation);
|
|
}
|
|
|
|
}
|