resolves asciidoctor#170, asciidoctor#180, asciidoctor#179, asciidoct…

…or#168 & asciidoctor#160 enable configuration for site parser

- rewrite AsciidoctorParser (used by Maven Site Plugin) to make it more organized and extensible
- pass AsciiDoc configuration defined in Maven Site plugin to the Asciidoctor API
- enhance Maven Site integration test
  - add custom template
  - add include
  - add source highlighting
  - make validation code compatible with Java 6
- enable integration tests on Travis CI
- remove unused legacy site module
- fix license headers
- minor cleanups

.travis.yml

@@ -8,7 +8,7 @@ jdk:
 install:
   - mvn package -DskipTests=true -Dmaven.javadoc.skip=true -B -V
 script:
-  - mvn test jacoco:report
+  - mvn verify -Prun-its jacoco:report
 after_success:
   # 'coveralls:report' goal is responsible for updating coverall.io stats once travisCI build completes
   # Look for the article 'Coveralls.io configuration for maven projects' in the wiki (https://github.com/asciidoctor/asciidoctor/wiki) for more details

src/it/maven-site-plugin/pom.xml

@@ -2,19 +2,33 @@
 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
     xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
     <modelVersion>4.0.0</modelVersion>
-
 	<groupId>org.asciidoctor</groupId>
-	<artifactId>maven-site-test</artifactId>
+	<artifactId>maven-site-plugin-it</artifactId>
 	<version>1.0-SNAPSHOT</version>
-
-    <name>Maven Site Plugin Test</name>
-
+    <name>Maven Site Plugin IT</name>
     <build>
         <plugins>
+            <!-- tag::plugin-decl[] -->
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-site-plugin</artifactId>
                 <version>3.3</version>
+                <configuration>
+                    <asciidoc>
+                        <templateDir>src/site/asciidoc/templates</templateDir>
+                        <requires>
+                            <require>time</require>
+                        </requires>
+                        <attributes>
+                            <source-highlighter>coderay</source-highlighter>
+                            <coderay-css>style</coderay-css>
+                            <toclevels>2</toclevels>
+                        </attributes>
+                    </asciidoc>
+                    <moduleExcludes>
+                        <asciidoc>**/_*.adoc</asciidoc>
+                    </moduleExcludes>
+                </configuration>
                 <dependencies>
                     <dependency>
                         <groupId>org.asciidoctor</groupId>
@@ -23,6 +37,7 @@
                     </dependency>
                 </dependencies>
             </plugin>
+            <!-- end::plugin-decl[] -->
         </plugins>
     </build>
 </project>

src/it/maven-site-plugin/src/site/asciidoc/_include.adoc

@@ -0,0 +1 @@
+Content included from the file _include.adoc.

src/it/maven-site-plugin/src/site/asciidoc/file-with-toc.adoc

@@ -1,16 +1,30 @@
-= Maven Site Plugin Test
+= File with TOC
 :toc:
 
-This is an example file to test asciidoctor-maven-plugin with maven-site-plugin.
+[.lead]
+This is an example file that was processed by the site module in the Asciidoctor Maven Plugin.
+
+== First section
 
-= First section
 This is the first section of the page.
 
-== Sub section
+include::_include.adoc[]
+
+=== Sub section
+
 This is a subsection of the first section
 
-= Second section
+TIP: You can control the number of section levels displayed in the TOC using the `toclevels` attribute.
+
+== Second section
+
 This is the first section of the page.
 
-== Sub section
+=== Sub section
+
 This is a subsection of the second section.
+
+[source,xml,indent=0]
+----
+include::../../../pom.xml[tag=plugin-decl]
+----

src/it/maven-site-plugin/src/site/asciidoc/templates/paragraph.html.slim

@@ -0,0 +1 @@
+p class=role =content

src/it/maven-site-plugin/src/site/site.xml

@@ -0,0 +1,8 @@
+<project name="Maven Site Plugin IT">
+    <body>
+        <menu name="AsciiDoc Pages">
+            <item name="File with TOC" href="/file-with-toc.html"/>
+        </menu>
+      ${reports}
+    </body>
+</project>

src/it/maven-site-plugin/validate.bsh

@@ -1,37 +1,52 @@
 import java.io.*;
-import java.nio.file.Files;
-import java.nio.file.Path;
 import java.nio.charset.StandardCharsets;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
-File outputDir = new File( basedir, "target/site" );
+File outputDir = new File(basedir, "target/site");
 
 String[] expectedFiles = {
 	"file-with-toc.html"
 };
 
+String[] unexpectedFiles = {
+    "_include.html"
+};
+
 Pattern tocEntry = Pattern.compile("<li><a href=\"#(.*?)\">.*");
 Pattern elementIdPattern = Pattern.compile(".* id=\"(.*?)\".*");
-Matcher matcher = null;
 
-for ( String expectedFile : expectedFiles )
-{
-    File file = new File( outputDir, expectedFile );
-    System.out.println( "Checking for existence of " + file );
-    if ( !file.isFile() )
-    {
-        throw new Exception( "Missing file " + file );
+for (String expectedFile : expectedFiles) {
+    File file = new File(outputDir, expectedFile);
+    System.out.println("Checking for presence of " + file);
+    if (!file.isFile()) {
+        throw new Exception("Missing file " + file);
+    }
+
+    List lines = new ArrayList();
+    Closeable resource = null;
+    try {
+        String line = null;
+        BufferedReader bReader = new BufferedReader(resource = new FileReader(file));
+        while ((line = bReader.readLine()) != null) {
+            lines.add(line);
+        }
+    }
+    finally {
+       try {
+           resource.close();
+       }
+       catch (IOException ignore) {}
     }
 
-    System.out.println("Ensuring that id's match TOC links");
-    List lines = Files.readAllLines(file.toPath(), StandardCharsets.UTF_8);
+    System.out.println("Ensuring IDs match TOC links");
 
     List tocEntries = new ArrayList();
 
     for (String line : lines) {
+        Matcher matcher = null;
 
         matcher = tocEntry.matcher(line);
         if (matcher.matches()) {
@@ -48,7 +63,35 @@ for ( String expectedFile : expectedFiles )
     }
 
     if (tocEntries.size() != 0) {
-        throw new Exception("Couldn't find matching ids for the following TOC entries: " + tocEntries);
+        throw new Exception("Couldn't find matching IDs for the following TOC entries: " + tocEntries);
+    }
+
+    boolean includeResolved = false;
+    boolean sourceHighlighted = false;
+
+    for (String line : lines) {
+        if (!includeResolved && line.contains("Content included from the file _include.adoc")) {
+            includeResolved = true;
+        }
+        else if (!sourceHighlighted && line.contains("<span style=\"color:#070;font-weight:bold\">&lt;plugin&gt;</span>")) {
+            sourceHighlighted = true; 
+        }
+    }
+
+    if (!includeResolved) {
+        throw new Exception("Include file was not resolved.");
+    }
+
+    if (!sourceHighlighted) {
+        throw new Exception("Source code was not highlighted.");
+    }
+}
+
+for (String unexpectedFile : unexpectedFiles) {
+    File file = new File(outputDir, unexpectedFile);
+    System.out.println("Checking for absence of " + file);
+    if (file.isFile()) {
+        throw new Exception("Unexpected file " + file);
     }
 }