DevGuideIndexGenerator.java

public class DevGuideIndexGenerator {
    /**
     * Argument 0 should be the output asciidoc file
     * Argument 1 should be the index file in the website
     * Argument 2 onwards should be the files in the manual in the correct order
     */
    public static void main(String[] args) throws Exception {
        String version = args[0];
        FileOutputStream asciidocFile = new FileOutputStream(args[1]);
        FileWriter indexFile = new FileWriter(args[2]);
        
        indexFile.write("<div id=\"toc\" class=\"toc2\">\n" +
            "<div id=\"toctitle\">Table of Contents</div>\n" +
            "<ul class=\"sectlevel1\">\n");
        
        SimpleDateFormat sd = new SimpleDateFormat("MMM dd yyyy");
        
        asciidocFile.write(("= Codename One Developer Guide\n" +
            "Version " + version + ", " +  sd.format(new Date()) + "\n" +
            ":doctype: book\n" +
            "\n" +
            ":toc:\n" +
            ":toc-placement: manual\n\n" +
            "toc::[]\n\n").getBytes());
        
        for(int iter = 3 ; iter < args.length ; iter++) {
            File f = new File(args[iter]);
            byte[] currentFile = new byte[(int)f.length()];
            DataInputStream di = new DataInputStream(new FileInputStream(f));
            di.readFully(currentFile);
            di.close();
            String fileContent = new String(currentFile, "UTF-8");
            int index = fileContent.indexOf("~~~~~~");
            String header = fileContent.substring(0, index);
            Properties props = new Properties();
            props.load(new CharArrayReader(header.toCharArray()));
            index = fileContent.indexOf("\n", index);
            fileContent = fileContent.substring(index);
            
            // remove all the HTML only content
            fileContent = fileContent.replace("// HTML_ONLY_START", "////");
            fileContent = fileContent.replace("// HTML_ONLY_END", "////");
        
            // comment in "PDF_ONLY" sections
            int pdfOnly = fileContent.indexOf("PDF_ONLY");
            if(pdfOnly > -1) {
                StringBuilder sb = new StringBuilder(fileContent);
                while(pdfOnly > -1) {
                    // replace the block comment following the pdfOnly
                    int followingComment = fileContent.indexOf("////", pdfOnly);
                    sb.setCharAt(followingComment + 2, ' ');
                    sb.setCharAt(followingComment + 3, ' ');
                    int beforeComment = fileContent.lastIndexOf("////", pdfOnly);
                    sb.setCharAt(beforeComment + 2, ' ');
                    sb.setCharAt(beforeComment + 3, ' ');
                    pdfOnly = fileContent.indexOf("PDF_ONLY", followingComment + 2);
                }
                fileContent = sb.toString();
            }
            
            // first page is the preface
            if(iter == 3) {
                asciidocFile.write("\n[preface]\n== ".getBytes());
            } else {
                asciidocFile.write("\n\n== ".getBytes());
            }
            asciidocFile.write(props.getProperty("title").getBytes());
            if(props.getProperty("subtitle") != null) {
                asciidocFile.write("\n\n".getBytes());                
                asciidocFile.write(props.getProperty("subtitle").getBytes());
            }
            asciidocFile.write(fileContent.replace("image::/img/developer-guide/", "image::").getBytes("UTF-8"));
            
            String url = f.getName().replace(".adoc", ".html");
            indexFile.write("<li  <#if content.uri?ends_with(\"");
            indexFile.write(url);
            indexFile.write("\")> class=\"current\"</#if> ><a href=\"");
            indexFile.write(url);
            indexFile.write("\">");
            indexFile.write(props.getProperty("title"));
            indexFile.write("</a>\n<ul class=\"sectlevel2\">\n");            
            
            for(String line : fileContent.split("\n")) {
                if(line.startsWith("=== ")) {
                    line = line.substring(4);
                    indexFile.write("<li><a href=\"");
                    indexFile.write(url);
                    indexFile.write("#");
                    StringTokenizer tt = new StringTokenizer(line.toLowerCase(), " ;&:_");
                    while(tt.hasMoreTokens()) {
                        indexFile.write("_");
                        indexFile.write(tt.nextToken());
                    }
                    indexFile.write("\">");
                    indexFile.write(line);
                    indexFile.write("</a></li>\n");            
                }
            }
            indexFile.write("</ul></li>\n");            
        }
        indexFile.write("</ul></div>\n");
                
        indexFile.close();
        asciidocFile.close();
    }
}