org.pz.platypus.plugin.pdf.commands.PdfEol.java Source code

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Here is the source code for org.pz.platypus.plugin.pdf.commands.PdfEol.java

Source

/***
 *  Platypus: Page Layout and Typesetting Software (free at platypus.pz.org)
 *
 *  Platypus is (c) Copyright 2006-08 Pacific Data Works LLC. All Rights Reserved.
 *  Licensed under Apache License 2.0 (http://www.apache.org/licenses/LICENSE-2.0.html)
 */

package org.pz.platypus.plugin.pdf.commands;

import org.pz.platypus.*;
import org.pz.platypus.commandTypes.EolTreatment;
import org.pz.platypus.interfaces.*;
import org.pz.platypus.plugin.pdf.*;
import com.lowagie.text.*;

/**
 * End of line command (auto-inserted by Platypus at end of input line) for PDF plugin
 *
 * @author alb
 */
public class PdfEol implements IOutputCommand {
    private String root = "[cr]";

    public int process(final IOutputContext context, final Token tok, final int tokNum) {
        if (context == null) {
            throw new IllegalArgumentException();
        }

        PdfData pdf = (PdfData) context;
        PdfOutfile outfile = pdf.getOutfile();
        TokenList tl = pdf.getGdd().getInputTokens();
        Token nextTok = tl.getNextToken(tokNum);

        // if we're at the last input token, then do nothing
        if (nextTok == null) {
            return 0;
        }

        // if the [cr] occurs at the end of a line that consisted entirely of commands,
        // then ignore it (so that the following text does not have an unwanted leading character).
        // so with a line consisting entirely of [fsize:12pt] simply changes font size, but
        // adds no character to the ouput stream
        if (!tl.lineSoFarEmitsText(tokNum)) {
            return 0;
        }

        // if EolTreatment = hard, issue CR/LF
        if (!new EolTreatment().isSoft(pdf.getEolTreatment())) {
            Paragraph para = outfile.getItPara();
            if (para != null) {
                para.add(new Chunk(Chunk.NEWLINE));
            }
            return 0;
        }

        outfile.emitText(" ");
        return 0;
    }

    public String getRoot() {
        return (root);
    }
}