package com.pdflib.cookbook.pcos.interactive;

import com.pdflib.pCOS;
import com.pdflib.pCOSException;
import com.pdflib.cookbook.pcos.pcos_cookbook_example;

/** 
 * Retrieve bookmarks.
 * <p>
 * Required software: pCOS interface 3 (pCOS 2.x, PDFlib 7.x, TET 2.2,
 * PLOP 3.x)<br>
 * Required data: PDF document
 * 
 * @version $Id: bookmarks.java,v 1.3 2007/09/19 08:45:30 stm Exp $
 */
public class bookmarks extends pcos_cookbook_example {
    
    /* This is where the data files are. Adjust as necessary. */
    private final static String SEARCH_PATH = "../input";

    public void example_code(pCOS p, String filename)
        throws pCOSException, Exception {
        
        /* Open the PDF document */
        int doc = p.open_document(filename, "");
        if (doc == -1)
            throw new Exception("Error: " + p.get_errmsg());

        System.out.println("File name: " + p.get_string(doc, "filename"));
        
        int bookmarkcount = (int) p.get_number(doc, "length:bookmarks");
        if (bookmarkcount == 0) {
            System.out.println("No bookmarks found");
        }
        else {
            System.out.println(bookmarkcount + " bookmarks found:");
            System.out.println();

            for (int i = 0; i < bookmarkcount; ++i) {
                int level = (int) p.get_number(doc,
                    "bookmarks[" + i + "]/level");
                int dest_page = (int) p.get_number(doc,
                    "bookmarks[" + i + "]/destpage");

                for (int j = 0; j < level * 4; j += 1) {
                    System.out.print(" ");
                }
                System.out.print(p.get_string(doc,
                    "bookmarks[" + i + "]/Title"));

                if (dest_page != -1) {
                    System.out.print(": page " + dest_page);
                }
                System.out.println();
            }
        }
        
        p.close_document(doc);
    }
   
    public bookmarks(String[] argv, String readable_name,
        String search_path, String full_rcs_file_name, String revision) {
        super(argv, readable_name, search_path, full_rcs_file_name, revision);
    }

    public static void main(String argv[]) {
        bookmarks example = new bookmarks(argv, "Bookmarks",
            SEARCH_PATH, "$RCSfile: bookmarks.java,v $", "$Revision: 1.3 $");
        example.execute();
    }
}