[MSITE-1000] Introduce parser configuration parameter

Author: kwin

src/main/java/org/apache/maven/plugins/site/render/AbstractSiteRenderingMojo.java

@@ -94,6 +94,13 @@ public abstract class AbstractSiteRenderingMojo extends AbstractSiteDescriptorMo
     @Parameter
     private Map<String, Object> attributes;
 
+    /**
+     * Parser configurations (per document file paths).
+     * @since 4.0.0
+     */
+    @Parameter
+    private List<ParserConfiguration> parserConfigurations;
+
     /**
      * Site renderer.
      */

src/main/java/org/apache/maven/plugins/site/render/ParserConfiguration.java

@@ -0,0 +1,72 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance
+ * with the License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing,
+ * software distributed under the License is distributed on an
+ * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+ * KIND, either express or implied.  See the License for the
+ * specific language governing permissions and limitations
+ * under the License.
+ */
+package org.apache.maven.plugins.site.render;
+
+import java.util.LinkedList;
+import java.util.List;
+
+import org.apache.maven.shared.utils.io.MatchPattern;
+import org.apache.maven.shared.utils.io.MatchPatterns;
+
+public class ParserConfiguration {
+
+    /**
+     * List of {@link MatchPattern} strings. If not set this configurations applies to all documents.
+     */
+    private final List<String> patterns;
+    /**
+     * @see {@link Parser#setEmitComments(boolean)}
+     */
+    private boolean emitComments;
+    /**
+     * @see {@link Parser#setEmitAnchorsForIndexableEntries(boolean)}
+     */
+    private boolean emitAnchorsForIndexableEntries;
+
+    public ParserConfiguration() {
+        patterns = new LinkedList<>();
+    }
+
+    public boolean isEmitComments() {
+        return emitComments;
+    }
+
+    public void setEmitComments(boolean emitComments) {
+        this.emitComments = emitComments;
+    }
+
+    public boolean isEmitAnchorsForIndexableEntries() {
+        return emitAnchorsForIndexableEntries;
+    }
+
+    public void setEmitAnchorsForIndexableEntries(boolean emitAnchorsForIndexableEntries) {
+        this.emitAnchorsForIndexableEntries = emitAnchorsForIndexableEntries;
+    }
+
+    public void addPattern(String pattern) {
+        patterns.add(pattern);
+    }
+
+    public MatchPatterns getPatterns() {
+        if (patterns.isEmpty()) {
+            return MatchPatterns.from("**");
+        }
+        return MatchPatterns.from(patterns.toArray(new String[0]));
+    }
+}