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package netscape.test.plugin.composer;

import java.io.*;
import netscape.plugin.composer.*;
import netscape.plugin.composer.io.*;
import java.awt.Color;

/** Sample Plugin that wraps selected text into a table.
 * Shows how to do low-level parsing of html.
 */

public class Tableize extends Plugin {
    /** Test the plugin. Not required for normal operation of the plugin.
     * You can use this to run the plugin from the command line:
     * java -classpath <your-class-path> <your-plugin-name> args...
     * where args... are passed on to the Test class.
     * You can remove this code before shipping your plugin.
     */
    static public void main(String[] args) {
        Test.perform(args, new Tableize());
    }
    /** Get the human readable name of the plugin. Defaults to the name of the plugin class.
     * @return the human readable name of the plugin.
     */
    public String getName()
    {
        return "Tableize";
    }

    /** Get the human readable category of the plugin. Defaults to the name of the plugin class.
     * @return the human readable category of the plugin.
     */
    public String getCategory()
    {
        return "Character Tools";
    }

    /** Get the human readable hint for the plugin. This is a one-sentence description of
     * what the plugin does. Defaults to the name of the plugin class.
     * @return the human readable hint for the plugin.
     */
    public String getHint()
    {
        return "Puts the selected text into a table.";
    }

    /** Perform the action of the plugin. This plugin wraps selected text into a table.
     *
     * @param document the current document.
     */
    public boolean perform(Document document) throws IOException{
        // Get the output stream to hold the new document text.
        PrintWriter out = new PrintWriter(document.getOutput());
        // Create a lexical stream to tokenize the old document text.
        LexicalStream in = new LexicalStream(document.getInput());
        for(;;){
            // Get the next token of the document.
            Token token = in.next();
            if ( token == null ) break; //  Null means we've finished the document.
            else if (token instanceof Comment ) {
                Comment comment = (Comment) token;
                if ( comment.isSelectionStart() ){
                    out.print(token);
                    out.print("<TABLE BGCOLOR=#30c030><TR><TD>");
                    continue;
                }
                else if (comment.isSelectionEnd() ){
                    out.print("</TD></TR></TABLE>");
                    out.print(token);
                    continue;
                }
            }
            out.print(token);
        }
        out.close();
        return true;
    }
}