Adjust heading levels
diff --git a/src/main/java/org/apache/tomee/website/AsciidocAdjustHeadingLevels.java b/src/main/java/org/apache/tomee/website/AsciidocAdjustHeadingLevels.java
new file mode 100644
index 0000000..95912ce
--- /dev/null
+++ b/src/main/java/org/apache/tomee/website/AsciidocAdjustHeadingLevels.java
@@ -0,0 +1,143 @@
+/*
+ * 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.tomee.website;
+
+import org.apache.openejb.loader.IO;
+import org.apache.openejb.util.Join;
+
+import java.io.File;
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+import java.util.function.Consumer;
+import java.util.regex.Pattern;
+
+public class AsciidocAdjustHeadingLevels {
+
+ private final List<String> completed = new ArrayList<String>();
+ private HeadingLevel headingLevel;
+ private Consumer<String> processor;
+
+ public AsciidocAdjustHeadingLevels() {
+ this.headingLevel = new HeadingLevel(null, "", "");
+ this.processor = headingLevel::process;
+ }
+
+ public static void main(String[] args) throws Exception {
+
+ final File docs = new File("repos/tomee-8.0/docs/");
+
+ Files.walk(docs.toPath())
+ .map(Path::toFile)
+ .filter(File::isFile)
+ .filter(path -> path.getName().endsWith(".adoc"))
+ .forEach(AsciidocAdjustHeadingLevels::process);
+
+ }
+
+ public static void process(final File file) {
+ final AsciidocAdjustHeadingLevels fix = new AsciidocAdjustHeadingLevels();
+
+ try {
+ final List<String> lines = new ArrayList<>();
+ Collections.addAll(lines, IO.slurp(file).split("\n"));
+
+ for (final String line : lines) {
+ fix.process(line);
+ }
+
+ // Update the destination readme file
+ IO.copy(IO.read(Join.join("\n", fix.completed) + "\n"), file);
+
+ } catch (IOException e) {
+ throw new RuntimeException(e);
+ }
+ }
+
+ public void process(final String line) {
+ processor.accept(line);
+ }
+
+ public class EndCodeblock {
+ private final String delimiter;
+
+ public EndCodeblock(final String delimiter) {
+ this.delimiter = delimiter;
+ }
+
+ public void findEnd(final String line) {
+ completed.add(line);
+
+ if (line.equals(delimiter)) {
+ processor = headingLevel::process;
+ }
+ }
+ }
+
+ private final Pattern codeblockStart = Pattern.compile("^(----|....|````)$");
+
+ public class HeadingLevel {
+ private final HeadingLevel parent;
+ private final String used;
+ private final String current;
+
+ public HeadingLevel(final HeadingLevel parent, final String used, final String current) {
+ this.parent = parent;
+ this.used = used;
+ this.current = current;
+ }
+
+ private void process(String line) {
+ if (line.startsWith("=")) {
+
+ final HeadingLevel adjusted = headingLevel.adjust(line);
+
+ if (adjusted != this) {
+ headingLevel = adjusted;
+ headingLevel.process(line);
+ return;
+ }
+
+ line = fix(line);
+ }
+
+ completed.add(line);
+ }
+
+
+ public HeadingLevel adjust(final String line) {
+ final String heading = line.replaceAll("^([=#]*).*", "$1");
+
+ if (heading.length() > used.length()) {
+ return new HeadingLevel(this, heading, this.current + "=");
+ }
+
+ if (heading.length() < used.length()) {
+ return parent.adjust(line);
+ }
+
+ return this;
+ }
+
+ public String fix(final String line) {
+ return line.replaceAll("^[=#]*", current);
+ }
+ }
+}
diff --git a/src/test/java/org/apache/tomee/website/AsciidocAdjustHeadingLevelsTest.java b/src/test/java/org/apache/tomee/website/AsciidocAdjustHeadingLevelsTest.java
new file mode 100644
index 0000000..1ed9dc8
--- /dev/null
+++ b/src/test/java/org/apache/tomee/website/AsciidocAdjustHeadingLevelsTest.java
@@ -0,0 +1,123 @@
+package org.apache.tomee.website;
+
+import org.apache.openejb.loader.IO;
+import org.junit.Assert;
+import org.junit.Ignore;
+import org.junit.Test;
+
+import java.io.File;
+
+public class AsciidocAdjustHeadingLevelsTest extends Assert {
+
+ @Test
+ public void testProcess() throws Exception {
+
+ final File content = File.createTempFile("content-", ".adoc");
+
+ IO.copy(IO.read("== Colors\n" +
+ "Some random text\n" +
+ "==== Reds\n" +
+ "More random text\n" +
+ "===== Crimson is a kind of Red\n" +
+ "More random text\n" +
+ "===== Ruby Red\n" +
+ "More random text\n" +
+ "More random text\n" +
+ "=== Greens\n" +
+ "===== Emerald\n" +
+ "\n" +
+ "More random text\n" +
+ "\n" +
+ "==== Forrest Green\n" +
+ "More random text\n" +
+ "= Shapes\n" +
+ "More random text\n" +
+ "\n\n"
+ ), content);
+
+ AsciidocAdjustHeadingLevels.process(content);
+
+ final String expected = "= Colors\n" +
+ "Some random text\n" +
+ "== Reds\n" +
+ "More random text\n" +
+ "=== Crimson is a kind of Red\n" +
+ "More random text\n" +
+ "=== Ruby Red\n" +
+ "More random text\n" +
+ "More random text\n" +
+ "== Greens\n" +
+ "=== Emerald\n" +
+ "\n" +
+ "More random text\n" +
+ "\n" +
+ "=== Forrest Green\n" +
+ "More random text\n" +
+ "= Shapes\n" +
+ "More random text\n";
+
+ final String actual = IO.slurp(content);
+
+ assertEquals(expected, actual);
+ }
+
+ @Ignore
+ @Test
+ public void testIgnoreCodeblocks() throws Exception {
+
+ final File content = File.createTempFile("content-", ".adoc");
+
+ IO.copy(IO.read("= Colors\n" +
+ "Some random text\n" +
+ "== Reds\n" +
+ "More random text\n" +
+ "----\n" +
+ "More random text\n" +
+ "===== Crimson is a kind of Red\n" +
+ "More random text\n" +
+ "----\n" +
+ "===== Ruby Red\n" +
+ "More random text\n" +
+ "More random text\n" +
+ "=== Greens\n" +
+ "===== Emerald\n" +
+ "\n" +
+ "More random text\n" +
+ "\n" +
+ "==== Forrest Green\n" +
+ "More random text\n" +
+ "= Shapes\n" +
+ "More random text\n" +
+ "\n\n"
+ ), content);
+
+ AsciidocAdjustHeadingLevels.process(content);
+
+ final String expected = "= Colors\n" +
+ "Some random text\n" +
+ "== Reds\n" +
+ "More random text\n" +
+ "----\n" +
+ "More random text\n" +
+ "===== Crimson is a kind of Red\n" +
+ "More random text\n" +
+ "----\n" +
+ "=== Ruby Red\n" +
+ "More random text\n" +
+ "More random text\n" +
+ "== Greens\n" +
+ "=== Emerald\n" +
+ "\n" +
+ "More random text\n" +
+ "\n" +
+ "=== Forrest Green\n" +
+ "More random text\n" +
+ "= Shapes\n" +
+ "More random text\n"
+ ;
+
+ final String actual = IO.slurp(content);
+
+ assertEquals(expected, actual);
+ }
+}
\ No newline at end of file
