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Diffstat (limited to 'org.eclipse.mylyn.wikitext.markdown.core/src/org/eclipse/mylyn/internal/wikitext/markdown/core/token/ReferenceStyleImageReplacementToken.java')
-rw-r--r--org.eclipse.mylyn.wikitext.markdown.core/src/org/eclipse/mylyn/internal/wikitext/markdown/core/token/ReferenceStyleImageReplacementToken.java66
1 files changed, 66 insertions, 0 deletions
diff --git a/org.eclipse.mylyn.wikitext.markdown.core/src/org/eclipse/mylyn/internal/wikitext/markdown/core/token/ReferenceStyleImageReplacementToken.java b/org.eclipse.mylyn.wikitext.markdown.core/src/org/eclipse/mylyn/internal/wikitext/markdown/core/token/ReferenceStyleImageReplacementToken.java
new file mode 100644
index 000000000..bd0cf0fff
--- /dev/null
+++ b/org.eclipse.mylyn.wikitext.markdown.core/src/org/eclipse/mylyn/internal/wikitext/markdown/core/token/ReferenceStyleImageReplacementToken.java
@@ -0,0 +1,66 @@
+/*******************************************************************************
+ * Copyright (c) 2013 Stefan Seelmann and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ * Stefan Seelmann - initial API and implementation
+ *******************************************************************************/
+
+package org.eclipse.mylyn.internal.wikitext.markdown.core.token;
+
+import org.eclipse.mylyn.internal.wikitext.markdown.core.LinkDefinition;
+import org.eclipse.mylyn.internal.wikitext.markdown.core.MarkdownContentState;
+import org.eclipse.mylyn.wikitext.core.parser.ImageAttributes;
+import org.eclipse.mylyn.wikitext.core.parser.markup.PatternBasedElement;
+import org.eclipse.mylyn.wikitext.core.parser.markup.PatternBasedElementProcessor;
+
+/**
+ * Detects reference-style images: ![Alt text][Reference ID].
+ *
+ * @author Stefan Seelmann
+ */
+public class ReferenceStyleImageReplacementToken extends PatternBasedElement {
+
+ @Override
+ protected String getPattern(int groupOffset) {
+ return "!(\\[\\s*(.+?)\\s*\\]\\s*\\[\\s*(.*?)\\s*\\])"; //$NON-NLS-1$
+ }
+
+ @Override
+ protected int getPatternGroupCount() {
+ return 3;
+ }
+
+ @Override
+ protected PatternBasedElementProcessor newProcessor() {
+ return new ReferenceStyleLinkReplacementTokenProcessor();
+ }
+
+ private static class ReferenceStyleLinkReplacementTokenProcessor extends PatternBasedElementProcessor {
+ @Override
+ public void emit() {
+ String altText = group(2);
+ String refid = group(3);
+ if (refid.isEmpty()) {
+ refid = altText;
+ }
+ MarkdownContentState mdContentState = (MarkdownContentState) getState();
+ LinkDefinition linkDefinition = mdContentState.getLinkDefinition(refid);
+ if (linkDefinition != null) {
+ String href = linkDefinition.getUrl();
+ String title = linkDefinition.getTitle();
+ ImageAttributes attributes = new ImageAttributes();
+ attributes.setTitle(title);
+ attributes.setAlt(altText);
+ builder.image(attributes, href);
+ } else {
+ // image definition is missing, just print the raw content
+ builder.characters(group(1));
+ }
+ }
+ }
+
+}

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