blob: ff89a68232fe94af3af5b2204689c5776b97bf51 [file] [log] [blame]
/*******************************************************************************
* Copyright (c) 2015 David Green.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* David Green - initial API and implementation
*******************************************************************************/
package org.eclipse.mylyn.wikitext.commonmark.internal.inlines;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import com.google.common.base.Optional;
import com.google.common.collect.ImmutableList;
import com.google.common.net.UrlEscapers;
public class AutoLinkWithoutDemarcationSpan extends SourceSpan {
private final Pattern linkPattern = Pattern
.compile("(https?://[a-zA-Z0-9%._~!$&?#'()*+,;:@/=-]*[a-zA-Z0-9_~!$&?#'(*+@/=-]).*", Pattern.DOTALL);
@Override
public Optional<? extends Inline> createInline(Cursor cursor) {
if (cursor.getChar() == 'h') {
Matcher matcher = cursor.matcher(linkPattern);
if (matcher.matches()) {
String href = matcher.group(1);
String link = href;
int endOffset = cursor.getOffset(matcher.end(1));
int linkLength = endOffset - cursor.getOffset();
return Optional.of(new Link(cursor.getLineAtOffset(), cursor.getOffset(), linkLength, escapeUri(link),
null, ImmutableList.<Inline> of(
new Characters(cursor.getLineAtOffset(), cursor.getOffset(), linkLength, href))));
}
}
return Optional.absent();
}
private String escapeUri(String link) {
return UrlEscapers.urlFragmentEscaper().escape(link).replace("%23", "#").replace("%25", "%");
}
}